]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtktreeview.c
docs: Typo fix
[~andy/gtk] / gtk / gtktreeview.c
index 457c4facdd6c61dbf4e4de18f69dab0af4f6e2c3..4544c6f6da614c1c7f31bc43bb8659e8c0226bac 100644 (file)
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
 
 #include "config.h"
+
 #include <math.h>
 #include <string.h>
-#include <gdk/gdkkeysyms.h>
 
 #include "gtktreeview.h"
+
+#include "gtkadjustment.h"
 #include "gtkrbtree.h"
 #include "gtktreednd.h"
 #include "gtktreeprivate.h"
 #include "gtkcellrenderer.h"
-#include "gtkmain.h"
 #include "gtkmarshalers.h"
 #include "gtkbuildable.h"
 #include "gtkbutton.h"
-#include "gtkalignment.h"
 #include "gtklabel.h"
-#include "gtkhbox.h"
-#include "gtkvbox.h"
+#include "gtkbox.h"
 #include "gtkarrow.h"
 #include "gtkintl.h"
 #include "gtkbindings.h"
 #include "gtkcontainer.h"
 #include "gtkentry.h"
 #include "gtkframe.h"
+#include "gtkmain.h"
 #include "gtktreemodelsort.h"
 #include "gtktooltip.h"
 #include "gtkscrollable.h"
+#include "gtkcelllayout.h"
 #include "gtkprivate.h"
 #include "gtkwidgetprivate.h"
 #include "gtkentryprivate.h"
+#include "gtkstylecontextprivate.h"
+#include "gtkcssstylepropertyprivate.h"
+#include "gtktypebuiltins.h"
+#include "gtkmain.h"
+#include "gtksettings.h"
+#include "gtkwidgetpath.h"
+#include "a11y/gtktreeviewaccessibleprivate.h"
 
 
 /**
  * </refsect2>
  */
 
+enum
+{
+  DRAG_COLUMN_WINDOW_STATE_UNSET = 0,
+  DRAG_COLUMN_WINDOW_STATE_ORIGINAL = 1,
+  DRAG_COLUMN_WINDOW_STATE_ARROW = 2,
+  DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT = 3,
+  DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT = 4
+};
+
+enum
+{
+  RUBBER_BAND_OFF = 0,
+  RUBBER_BAND_MAYBE_START = 1,
+  RUBBER_BAND_ACTIVE = 2
+};
+
+typedef enum {
+  CLEAR_AND_SELECT = (1 << 0),
+  CLAMP_NODE       = (1 << 1),
+  CURSOR_INVALID   = (1 << 2)
+} SetCursorFlags;
+
+ /* This lovely little value is used to determine how far away from the title bar
+  * you can move the mouse and still have a column drag work.
+  */
+#define TREE_VIEW_COLUMN_DRAG_DEAD_MULTIPLIER(tree_view) (10*gtk_tree_view_get_effective_header_height(tree_view))
+
+#ifdef __GNUC__
+
+#define TREE_VIEW_INTERNAL_ASSERT(expr, ret)     G_STMT_START{          \
+     if (!(expr))                                                       \
+       {                                                                \
+         g_log (G_LOG_DOMAIN,                                           \
+                G_LOG_LEVEL_CRITICAL,                                   \
+               "%s (%s): assertion `%s' failed.\n"                     \
+               "There is a disparity between the internal view of the GtkTreeView,\n"    \
+               "and the GtkTreeModel.  This generally means that the model has changed\n"\
+               "without letting the view know.  Any display from now on is likely to\n"  \
+               "be incorrect.\n",                                                        \
+                G_STRLOC,                                               \
+                G_STRFUNC,                                              \
+                #expr);                                                 \
+         return ret;                                                    \
+       };                               }G_STMT_END
+
+#define TREE_VIEW_INTERNAL_ASSERT_VOID(expr)     G_STMT_START{          \
+     if (!(expr))                                                       \
+       {                                                                \
+         g_log (G_LOG_DOMAIN,                                           \
+                G_LOG_LEVEL_CRITICAL,                                   \
+               "%s (%s): assertion `%s' failed.\n"                     \
+               "There is a disparity between the internal view of the GtkTreeView,\n"    \
+               "and the GtkTreeModel.  This generally means that the model has changed\n"\
+               "without letting the view know.  Any display from now on is likely to\n"  \
+               "be incorrect.\n",                                                        \
+                G_STRLOC,                                               \
+                G_STRFUNC,                                              \
+                #expr);                                                 \
+         return;                                                        \
+       };                               }G_STMT_END
+
+#else
+
+#define TREE_VIEW_INTERNAL_ASSERT(expr, ret)     G_STMT_START{          \
+     if (!(expr))                                                       \
+       {                                                                \
+         g_log (G_LOG_DOMAIN,                                           \
+                G_LOG_LEVEL_CRITICAL,                                   \
+               "file %s: line %d: assertion `%s' failed.\n"       \
+               "There is a disparity between the internal view of the GtkTreeView,\n"    \
+               "and the GtkTreeModel.  This generally means that the model has changed\n"\
+               "without letting the view know.  Any display from now on is likely to\n"  \
+               "be incorrect.\n",                                                        \
+                __FILE__,                                               \
+                __LINE__,                                               \
+                #expr);                                                 \
+         return ret;                                                    \
+       };                               }G_STMT_END
+
+#define TREE_VIEW_INTERNAL_ASSERT_VOID(expr)     G_STMT_START{          \
+     if (!(expr))                                                       \
+       {                                                                \
+         g_log (G_LOG_DOMAIN,                                           \
+                G_LOG_LEVEL_CRITICAL,                                   \
+               "file %s: line %d: assertion '%s' failed.\n"            \
+               "There is a disparity between the internal view of the GtkTreeView,\n"    \
+               "and the GtkTreeModel.  This generally means that the model has changed\n"\
+               "without letting the view know.  Any display from now on is likely to\n"  \
+               "be incorrect.\n",                                                        \
+                __FILE__,                                               \
+                __LINE__,                                               \
+                #expr);                                                 \
+         return;                                                        \
+       };                               }G_STMT_END
+#endif
 
 #define GTK_TREE_VIEW_PRIORITY_VALIDATE (GDK_PRIORITY_REDRAW + 5)
 #define GTK_TREE_VIEW_PRIORITY_SCROLL_SYNC (GTK_TREE_VIEW_PRIORITY_VALIDATE + 2)
 #define GTK_TREE_VIEW_TIME_MS_PER_IDLE 30
 #define SCROLL_EDGE_SIZE 15
-#define EXPANDER_EXTRA_PADDING 4
 #define GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT 5000
 #define AUTO_EXPAND_TIMEOUT 500
 
-/* The "background" areas of all rows/cells add up to cover the entire tree.
- * The background includes all inter-row and inter-cell spacing.
- * The "cell" areas are the cell_area passed in to gtk_cell_renderer_render(),
- * i.e. just the cells, no spacing.
- */
-
-#define BACKGROUND_HEIGHT(node) (GTK_RBNODE_GET_HEIGHT (node))
-#define CELL_HEIGHT(node, separator) ((BACKGROUND_HEIGHT (node)) - (separator))
-
 /* Translate from bin_window coordinates to rbtree (tree coordinates) and
  * vice versa.
  */
 #define TREE_WINDOW_Y_TO_RBTREE_Y(tree_view,y) ((y) + tree_view->priv->dy)
 #define RBTREE_Y_TO_TREE_WINDOW_Y(tree_view,y) ((y) - tree_view->priv->dy)
 
-/* This is in bin_window coordinates */
-#define BACKGROUND_FIRST_PIXEL(tree_view,tree,node) (RBTREE_Y_TO_TREE_WINDOW_Y (tree_view, _gtk_rbtree_node_find_offset ((tree), (node))))
-#define CELL_FIRST_PIXEL(tree_view,tree,node,separator) (BACKGROUND_FIRST_PIXEL (tree_view,tree,node) + separator/2)
-
-#define ROW_HEIGHT(tree_view,height) \
-  ((height > 0) ? (height) : (tree_view)->priv->expander_size)
-
+typedef struct _GtkTreeViewColumnReorder GtkTreeViewColumnReorder;
+struct _GtkTreeViewColumnReorder
+{
+  gint left_align;
+  gint right_align;
+  GtkTreeViewColumn *left_column;
+  GtkTreeViewColumn *right_column;
+};
 
 typedef struct _GtkTreeViewChild GtkTreeViewChild;
 struct _GtkTreeViewChild
@@ -190,6 +282,236 @@ struct _TreeViewDragInfo
 };
 
 
+struct _GtkTreeViewPrivate
+{
+  GtkTreeModel *model;
+
+  /* tree information */
+  GtkRBTree *tree;
+
+  /* Container info */
+  GList *children;
+  gint width;
+  gint height;
+
+  /* Adjustments */
+  GtkAdjustment *hadjustment;
+  GtkAdjustment *vadjustment;
+  gint           min_display_width;
+  gint           min_display_height;
+
+  /* Sub windows */
+  GdkWindow *bin_window;
+  GdkWindow *header_window;
+
+  /* Scroll position state keeping */
+  GtkTreeRowReference *top_row;
+  gint top_row_dy;
+  /* dy == y pos of top_row + top_row_dy */
+  /* we cache it for simplicity of the code */
+  gint dy;
+
+  guint presize_handler_timer;
+  guint validate_rows_timer;
+  guint scroll_sync_timer;
+
+  /* Indentation and expander layout */
+  GtkTreeViewColumn *expander_column;
+
+  gint level_indentation;
+
+  /* Key navigation (focus), selection */
+  gint cursor_offset;
+
+  GtkTreeRowReference *anchor;
+  GtkRBNode *cursor_node;
+  GtkRBTree *cursor_tree;
+
+  GtkTreeViewColumn *focus_column;
+
+  /* Current pressed node, previously pressed, prelight */
+  GtkRBNode *button_pressed_node;
+  GtkRBTree *button_pressed_tree;
+
+  gint pressed_button;
+  gint press_start_x;
+  gint press_start_y;
+
+  gint event_last_x;
+  gint event_last_y;
+
+  guint last_button_time;
+  gint last_button_x;
+  gint last_button_y;
+
+  GtkRBNode *prelight_node;
+  GtkRBTree *prelight_tree;
+
+  /* Cell Editing */
+  GtkTreeViewColumn *edited_column;
+
+  /* The node that's currently being collapsed or expanded */
+  GtkRBNode *expanded_collapsed_node;
+  GtkRBTree *expanded_collapsed_tree;
+  guint expand_collapse_timeout;
+
+  /* Auto expand/collapse timeout in hover mode */
+  guint auto_expand_timeout;
+
+  /* Selection information */
+  GtkTreeSelection *selection;
+
+  /* Header information */
+  gint n_columns;
+  GList *columns;
+  gint header_height;
+
+  GtkTreeViewColumnDropFunc column_drop_func;
+  gpointer column_drop_func_data;
+  GDestroyNotify column_drop_func_data_destroy;
+  GList *column_drag_info;
+  GtkTreeViewColumnReorder *cur_reorder;
+
+  gint prev_width_before_expander;
+
+  /* Interactive Header reordering */
+  GdkWindow *drag_window;
+  GdkWindow *drag_highlight_window;
+  GtkTreeViewColumn *drag_column;
+  gint drag_column_x;
+
+  /* Interactive Header Resizing */
+  gint drag_pos;
+  gint x_drag;
+
+  /* Column width allocation */
+  gint minimum_width;
+  gint natural_width;
+  gint n_expand_columns;
+
+  /* ATK Hack */
+  GtkTreeDestroyCountFunc destroy_count_func;
+  gpointer destroy_count_data;
+  GDestroyNotify destroy_count_destroy;
+
+  /* Scroll timeout (e.g. during dnd, rubber banding) */
+  guint scroll_timeout;
+
+  /* Row drag-and-drop */
+  GtkTreeRowReference *drag_dest_row;
+  GtkTreeViewDropPosition drag_dest_pos;
+  guint open_dest_timeout;
+
+  /* Rubber banding */
+  gint rubber_band_status;
+  gint rubber_band_x;
+  gint rubber_band_y;
+  gint rubber_band_extend;
+  gint rubber_band_modify;
+
+  GtkRBNode *rubber_band_start_node;
+  GtkRBTree *rubber_band_start_tree;
+
+  GtkRBNode *rubber_band_end_node;
+  GtkRBTree *rubber_band_end_tree;
+
+  /* fixed height */
+  gint fixed_height;
+
+  /* Scroll-to functionality when unrealized */
+  GtkTreeRowReference *scroll_to_path;
+  GtkTreeViewColumn *scroll_to_column;
+  gfloat scroll_to_row_align;
+  gfloat scroll_to_col_align;
+
+  /* Interactive search */
+  gint selected_iter;
+  gint search_column;
+  GtkTreeViewSearchPositionFunc search_position_func;
+  GtkTreeViewSearchEqualFunc search_equal_func;
+  gpointer search_user_data;
+  GDestroyNotify search_destroy;
+  gpointer search_position_user_data;
+  GDestroyNotify search_position_destroy;
+  GtkWidget *search_window;
+  GtkWidget *search_entry;
+  gulong search_entry_changed_id;
+  guint typeselect_flush_timeout;
+
+  /* Grid and tree lines */
+  GtkTreeViewGridLines grid_lines;
+  double grid_line_dashes[2];
+  int grid_line_width;
+
+  gboolean tree_lines_enabled;
+  double tree_line_dashes[2];
+  int tree_line_width;
+
+  /* Row separators */
+  GtkTreeViewRowSeparatorFunc row_separator_func;
+  gpointer row_separator_data;
+  GDestroyNotify row_separator_destroy;
+
+  /* Tooltip support */
+  gint tooltip_column;
+
+  /* Here comes the bitfield */
+  guint scroll_to_use_align : 1;
+
+  guint fixed_height_mode : 1;
+  guint fixed_height_check : 1;
+
+  guint activate_on_single_click : 1;
+  guint reorderable : 1;
+  guint header_has_focus : 1;
+  guint drag_column_window_state : 3;
+  /* hint to display rows in alternating colors */
+  guint has_rules : 1;
+  guint mark_rows_col_dirty : 1;
+
+  /* for DnD */
+  guint empty_view_drop : 1;
+
+  guint modify_selection_pressed : 1;
+  guint extend_selection_pressed : 1;
+
+  guint init_hadjust_value : 1;
+
+  guint in_top_row_to_dy : 1;
+
+  /* interactive search */
+  guint enable_search : 1;
+  guint disable_popdown : 1;
+  guint search_custom_entry_set : 1;
+  
+  guint hover_selection : 1;
+  guint hover_expand : 1;
+  guint imcontext_changed : 1;
+
+  guint rubber_banding_enable : 1;
+
+  guint in_grab : 1;
+
+  /* Whether our key press handler is to avoid sending an unhandled binding to the search entry */
+  guint search_entry_avoid_unhandled_binding : 1;
+
+  /* GtkScrollablePolicy needs to be checked when
+   * driving the scrollable adjustment values */
+  guint hscroll_policy : 1;
+  guint vscroll_policy : 1;
+
+  /* GtkTreeView flags */
+  guint is_list : 1;
+  guint show_expanders : 1;
+  guint in_column_resize : 1;
+  guint arrow_prelit : 1;
+  guint headers_visible : 1;
+  guint draw_keyfocus : 1;
+  guint model_setup : 1;
+  guint in_column_drag : 1;
+};
+
+
 /* Signals */
 enum
 {
@@ -234,7 +556,8 @@ enum {
   PROP_RUBBER_BANDING,
   PROP_ENABLE_GRID_LINES,
   PROP_ENABLE_TREE_LINES,
-  PROP_TOOLTIP_COLUMN
+  PROP_TOOLTIP_COLUMN,
+  PROP_ACTIVATE_ON_SINGLE_CLICK
 };
 
 /* object signals */
@@ -259,8 +582,6 @@ static void     gtk_tree_view_get_preferred_width  (GtkWidget        *widget,
 static void     gtk_tree_view_get_preferred_height (GtkWidget        *widget,
                                                    gint             *minimum,
                                                    gint             *natural);
-static void     gtk_tree_view_size_request         (GtkWidget        *widget,
-                                                   GtkRequisition   *requisition);
 static void     gtk_tree_view_size_allocate        (GtkWidget        *widget,
                                                    GtkAllocation    *allocation);
 static gboolean gtk_tree_view_draw                 (GtkWidget        *widget,
@@ -286,6 +607,9 @@ static gboolean gtk_tree_view_configure            (GtkWidget         *widget,
                                                    GdkEventConfigure *event);
 #endif
 
+static GtkWidgetPath * gtk_tree_view_get_path_for_child (GtkContainer *container,
+                                                         GtkWidget    *child);
+
 static void     gtk_tree_view_set_focus_child      (GtkContainer     *container,
                                                    GtkWidget        *child);
 static gint     gtk_tree_view_focus_out            (GtkWidget        *widget,
@@ -293,12 +617,11 @@ static gint     gtk_tree_view_focus_out            (GtkWidget        *widget,
 static gint     gtk_tree_view_focus                (GtkWidget        *widget,
                                                    GtkDirectionType  direction);
 static void     gtk_tree_view_grab_focus           (GtkWidget        *widget);
-static void     gtk_tree_view_style_set            (GtkWidget        *widget,
-                                                   GtkStyle         *previous_style);
+static void     gtk_tree_view_style_updated        (GtkWidget        *widget);
 static void     gtk_tree_view_grab_notify          (GtkWidget        *widget,
                                                    gboolean          was_grabbed);
-static void     gtk_tree_view_state_changed        (GtkWidget        *widget,
-                                                   GtkStateType      previous_state);
+static void     gtk_tree_view_state_flags_changed  (GtkWidget        *widget,
+                                                   GtkStateFlags     previous_state);
 
 /* container signals */
 static void     gtk_tree_view_remove               (GtkContainer     *container,
@@ -344,10 +667,6 @@ static void     gtk_tree_view_drag_data_received (GtkWidget        *widget,
                                                   guint             time);
 
 /* tree_model signals */
-static void     gtk_tree_view_set_hadjustment             (GtkTreeView     *tree_view,
-                                                           GtkAdjustment   *adjustment);
-static void     gtk_tree_view_set_vadjustment             (GtkTreeView     *tree_view,
-                                                           GtkAdjustment   *adjustment);
 static gboolean gtk_tree_view_real_move_cursor            (GtkTreeView     *tree_view,
                                                           GtkMovementStep  step,
                                                           gint             count);
@@ -391,7 +710,7 @@ static gboolean validate_row             (GtkTreeView *tree_view,
 static void     validate_visible_area    (GtkTreeView *tree_view);
 static gboolean validate_rows_handler    (GtkTreeView *tree_view);
 static gboolean do_validate_rows         (GtkTreeView *tree_view,
-                                         gboolean     size_request);
+                                         gboolean     queue_resize);
 static gboolean validate_rows            (GtkTreeView *tree_view);
 static gboolean presize_handler_callback (gpointer     data);
 static void     install_presize_handler  (GtkTreeView *tree_view);
@@ -406,6 +725,7 @@ static void     invalidate_empty_focus      (GtkTreeView *tree_view);
 /* Internal functions */
 static gboolean gtk_tree_view_is_expander_column             (GtkTreeView        *tree_view,
                                                              GtkTreeViewColumn  *column);
+static inline gboolean gtk_tree_view_draw_expanders          (GtkTreeView        *tree_view);
 static void     gtk_tree_view_add_move_binding               (GtkBindingSet      *binding_set,
                                                              guint               keyval,
                                                              guint               modmask,
@@ -423,16 +743,11 @@ static void     gtk_tree_view_queue_draw_arrow               (GtkTreeView
 static void     gtk_tree_view_draw_arrow                     (GtkTreeView        *tree_view,
                                                               cairo_t            *cr,
                                                              GtkRBTree          *tree,
-                                                             GtkRBNode          *node,
-                                                             gint                x,
-                                                             gint                y);
+                                                             GtkRBNode          *node);
 static void     gtk_tree_view_get_arrow_xrange               (GtkTreeView        *tree_view,
                                                              GtkRBTree          *tree,
                                                              gint               *x1,
                                                              gint               *x2);
-static gint     gtk_tree_view_new_column_width               (GtkTreeView        *tree_view,
-                                                             gint                i,
-                                                             gint               *x);
 static void     gtk_tree_view_adjustment_changed             (GtkAdjustment      *adjustment,
                                                              GtkTreeView        *tree_view);
 static void     gtk_tree_view_build_tree                     (GtkTreeView        *tree_view,
@@ -470,25 +785,32 @@ static gboolean gtk_tree_view_real_expand_row                (GtkTreeView
                                                              gboolean            animate);
 static void     gtk_tree_view_real_set_cursor                (GtkTreeView        *tree_view,
                                                              GtkTreePath        *path,
-                                                             gboolean            clear_and_select,
-                                                             gboolean            clamp_node);
-static gboolean gtk_tree_view_has_special_cell               (GtkTreeView        *tree_view);
+                                                              SetCursorFlags      flags);
+static gboolean gtk_tree_view_has_can_focus_cell             (GtkTreeView        *tree_view);
 static void     column_sizing_notify                         (GObject            *object,
                                                               GParamSpec         *pspec,
                                                               gpointer            data);
-static gboolean expand_collapse_timeout                      (gpointer            data);
-static void     add_expand_collapse_timeout                  (GtkTreeView        *tree_view,
-                                                              GtkRBTree          *tree,
-                                                              GtkRBNode          *node,
-                                                              gboolean            expand);
-static void     remove_expand_collapse_timeout               (GtkTreeView        *tree_view);
-static void     cancel_arrow_animation                       (GtkTreeView        *tree_view);
-static gboolean do_expand_collapse                           (GtkTreeView        *tree_view);
 static void     gtk_tree_view_stop_rubber_band               (GtkTreeView        *tree_view);
 static void     update_prelight                              (GtkTreeView        *tree_view,
                                                               int                 x,
                                                               int                 y);
 
+static inline gint gtk_tree_view_get_effective_header_height (GtkTreeView *tree_view);
+
+static inline gint gtk_tree_view_get_cell_area_y_offset      (GtkTreeView *tree_view,
+                                                              GtkRBTree   *tree,
+                                                              GtkRBNode   *node,
+                                                              gint         vertical_separator);
+static inline gint gtk_tree_view_get_cell_area_height        (GtkTreeView *tree_view,
+                                                              GtkRBNode   *node,
+                                                              gint         vertical_separator);
+
+static inline gint gtk_tree_view_get_row_y_offset            (GtkTreeView *tree_view,
+                                                              GtkRBTree   *tree,
+                                                              GtkRBNode   *node);
+static inline gint gtk_tree_view_get_row_height              (GtkTreeView *tree_view,
+                                                              GtkRBNode   *node);
+
 /* interactive search */
 static void     gtk_tree_view_ensure_interactive_directory (GtkTreeView *tree_view);
 static void     gtk_tree_view_search_dialog_hide        (GtkWidget        *search_dialog,
@@ -542,14 +864,8 @@ static void     gtk_tree_view_put                       (GtkTreeView      *tree_
                                                         gint              width,
                                                         gint              height);
 static gboolean gtk_tree_view_start_editing             (GtkTreeView      *tree_view,
-                                                        GtkTreePath      *cursor_path);
-static void gtk_tree_view_real_start_editing (GtkTreeView       *tree_view,
-                                             GtkTreeViewColumn *column,
-                                             GtkTreePath       *path,
-                                             GtkCellEditable   *cell_editable,
-                                             GdkRectangle      *cell_area,
-                                             GdkEvent          *event,
-                                             guint              flags);
+                                                        GtkTreePath      *cursor_path,
+                                                        gboolean          edit_only);
 static void gtk_tree_view_stop_editing                  (GtkTreeView *tree_view,
                                                         gboolean     cancel_editing);
 static gboolean gtk_tree_view_real_start_interactive_search (GtkTreeView *tree_view,
@@ -570,6 +886,12 @@ static GObject *gtk_tree_view_buildable_get_internal_child (GtkBuildable      *b
                                                            const gchar       *childname);
 static void     gtk_tree_view_buildable_init               (GtkBuildableIface *iface);
 
+static GtkAdjustment *gtk_tree_view_do_get_hadjustment (GtkTreeView   *tree_view);
+static void           gtk_tree_view_do_set_hadjustment (GtkTreeView   *tree_view,
+                                                        GtkAdjustment *adjustment);
+static GtkAdjustment *gtk_tree_view_do_get_vadjustment (GtkTreeView   *tree_view);
+static void           gtk_tree_view_do_set_vadjustment (GtkTreeView   *tree_view,
+                                                        GtkAdjustment *adjustment);
 
 static gboolean scroll_row_timeout                   (gpointer     data);
 static void     add_scroll_timeout                   (GtkTreeView *tree_view);
@@ -635,14 +957,15 @@ gtk_tree_view_class_init (GtkTreeViewClass *class)
   widget_class->drag_data_received = gtk_tree_view_drag_data_received;
   widget_class->focus = gtk_tree_view_focus;
   widget_class->grab_focus = gtk_tree_view_grab_focus;
-  widget_class->style_set = gtk_tree_view_style_set;
+  widget_class->style_updated = gtk_tree_view_style_updated;
   widget_class->grab_notify = gtk_tree_view_grab_notify;
-  widget_class->state_changed = gtk_tree_view_state_changed;
+  widget_class->state_flags_changed = gtk_tree_view_state_flags_changed;
 
   /* GtkContainer signals */
   container_class->remove = gtk_tree_view_remove;
   container_class->forall = gtk_tree_view_forall;
   container_class->set_focus_child = gtk_tree_view_set_focus_child;
+  container_class->get_path_for_child = gtk_tree_view_get_path_for_child;
 
   class->move_cursor = gtk_tree_view_real_move_cursor;
   class->select_all = gtk_tree_view_real_select_all;
@@ -853,8 +1176,24 @@ gtk_tree_view_class_init (GtkTreeViewClass *class)
                                                       -1,
                                                       GTK_PARAM_READWRITE));
 
+  /**
+   * GtkTreeView:activate-on-single-click:
+   *
+   * The activate-on-single-click property specifies whether the "row-activated" signal
+   * will be emitted after a single click.
+   *
+   * Since: 3.8
+   */
+  g_object_class_install_property (o_class,
+                                   PROP_ACTIVATE_ON_SINGLE_CLICK,
+                                   g_param_spec_boolean ("activate-on-single-click",
+                                                        P_("Activate on Single Click"),
+                                                        P_("Activate row on a single click"),
+                                                        FALSE,
+                                                        GTK_PARAM_READWRITE));
+
   /* Style properties */
-#define _TREE_VIEW_EXPANDER_SIZE 12
+#define _TREE_VIEW_EXPANDER_SIZE 14
 #define _TREE_VIEW_VERTICAL_SEPARATOR 2
 #define _TREE_VIEW_HORIZONTAL_SEPARATOR 2
 
@@ -949,10 +1288,12 @@ gtk_tree_view_class_init (GtkTreeViewClass *class)
    * @column: the #GtkTreeViewColumn in which the activation occurred
    *
    * The "row-activated" signal is emitted when the method
-   * gtk_tree_view_row_activated() is called or the user double clicks 
-   * a treeview row. It is also emitted when a non-editable row is 
-   * selected and one of the keys: Space, Shift+Space, Return or 
-   * Enter is pressed.
+   * gtk_tree_view_row_activated() is called, when the user double
+   * clicks a treeview row with the "activate-on-single-click"
+   * property set to %FALSE, or when the user single clicks a row when
+   * the "activate-on-single-click" property set to %TRUE. It is also
+   * emitted when a non-editable row is selected and one of the keys:
+   * Space, Shift+Space, Return or Enter is pressed.
    * 
    * For selection handling refer to the <link linkend="TreeWidget">tree 
    * widget conceptual overview</link> as well as #GtkTreeSelection.
@@ -1372,6 +1713,8 @@ gtk_tree_view_class_init (GtkTreeViewClass *class)
   gtk_binding_entry_add_signal (binding_set, GDK_KEY_F, GDK_CONTROL_MASK, "start-interactive-search", 0);
 
   g_type_class_add_private (o_class, sizeof (GtkTreeViewPrivate));
+
+  gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_TREE_VIEW_ACCESSIBLE);
 }
 
 static void
@@ -1382,9 +1725,10 @@ gtk_tree_view_init (GtkTreeView *tree_view)
   gtk_widget_set_can_focus (GTK_WIDGET (tree_view), TRUE);
   gtk_widget_set_redraw_on_allocate (GTK_WIDGET (tree_view), FALSE);
 
-  tree_view->priv->flags =  GTK_TREE_VIEW_SHOW_EXPANDERS
-                            | GTK_TREE_VIEW_DRAW_KEYFOCUS
-                            | GTK_TREE_VIEW_HEADERS_VISIBLE;
+  tree_view->priv->show_expanders = TRUE;
+  tree_view->priv->draw_keyfocus = TRUE;
+  tree_view->priv->headers_visible = TRUE;
+  tree_view->priv->activate_on_single_click = FALSE;
 
   /* We need some padding */
   tree_view->priv->dy = 0;
@@ -1393,6 +1737,9 @@ gtk_tree_view_init (GtkTreeView *tree_view)
   tree_view->priv->header_height = 1;
   tree_view->priv->x_drag = 0;
   tree_view->priv->drag_pos = -1;
+  tree_view->priv->minimum_width = 0;
+  tree_view->priv->natural_width = 0;
+  tree_view->priv->n_expand_columns = 0;
   tree_view->priv->header_has_focus = FALSE;
   tree_view->priv->pressed_button = -1;
   tree_view->priv->press_start_x = -1;
@@ -1425,16 +1772,17 @@ gtk_tree_view_init (GtkTreeView *tree_view)
 
   tree_view->priv->tooltip_column = -1;
 
-  tree_view->priv->post_validation_flag = FALSE;
-
   tree_view->priv->last_button_x = -1;
   tree_view->priv->last_button_y = -1;
 
   tree_view->priv->event_last_x = -10000;
   tree_view->priv->event_last_y = -10000;
 
-  gtk_tree_view_set_vadjustment (tree_view, NULL);
-  gtk_tree_view_set_hadjustment (tree_view, NULL);
+  gtk_tree_view_do_set_vadjustment (tree_view, NULL);
+  gtk_tree_view_do_set_hadjustment (tree_view, NULL);
+
+  gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (tree_view)),
+                               GTK_STYLE_CLASS_VIEW);
 }
 
 \f
@@ -1458,10 +1806,10 @@ gtk_tree_view_set_property (GObject         *object,
       gtk_tree_view_set_model (tree_view, g_value_get_object (value));
       break;
     case PROP_HADJUSTMENT:
-      gtk_tree_view_set_hadjustment (tree_view, g_value_get_object (value));
+      gtk_tree_view_do_set_hadjustment (tree_view, g_value_get_object (value));
       break;
     case PROP_VADJUSTMENT:
-      gtk_tree_view_set_vadjustment (tree_view, g_value_get_object (value));
+      gtk_tree_view_do_set_vadjustment (tree_view, g_value_get_object (value));
       break;
     case PROP_HSCROLL_POLICY:
       tree_view->priv->hscroll_policy = g_value_get_enum (value);
@@ -1519,6 +1867,9 @@ gtk_tree_view_set_property (GObject         *object,
     case PROP_TOOLTIP_COLUMN:
       gtk_tree_view_set_tooltip_column (tree_view, g_value_get_int (value));
       break;
+    case PROP_ACTIVATE_ON_SINGLE_CLICK:
+      gtk_tree_view_set_activate_on_single_click (tree_view, g_value_get_boolean (value));
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -1583,7 +1934,7 @@ gtk_tree_view_get_property (GObject    *object,
       g_value_set_boolean (value, tree_view->priv->hover_expand);
       break;
     case PROP_SHOW_EXPANDERS:
-      g_value_set_boolean (value, GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS));
+      g_value_set_boolean (value, tree_view->priv->show_expanders);
       break;
     case PROP_LEVEL_INDENTATION:
       g_value_set_int (value, tree_view->priv->level_indentation);
@@ -1600,6 +1951,9 @@ gtk_tree_view_get_property (GObject    *object,
     case PROP_TOOLTIP_COLUMN:
       g_value_set_int (value, tree_view->priv->tooltip_column);
       break;
+    case PROP_ACTIVATE_ON_SINGLE_CLICK:
+      g_value_set_boolean (value, tree_view->priv->activate_on_single_click);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -1729,9 +2083,6 @@ gtk_tree_view_destroy (GtkWidget *widget)
       tree_view->priv->destroy_count_data = NULL;
     }
 
-  gtk_tree_row_reference_free (tree_view->priv->cursor);
-  tree_view->priv->cursor = NULL;
-
   gtk_tree_row_reference_free (tree_view->priv->anchor);
   tree_view->priv->anchor = NULL;
 
@@ -1790,29 +2141,38 @@ gtk_tree_view_map_buttons (GtkTreeView *tree_view)
 
   g_return_if_fail (gtk_widget_get_mapped (GTK_WIDGET (tree_view)));
 
-  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
+  if (tree_view->priv->headers_visible)
     {
       GtkTreeViewColumn *column;
+      GtkWidget         *button;
+      GdkWindow         *window;
 
       for (list = tree_view->priv->columns; list; list = list->next)
        {
          column = list->data;
-          if (gtk_widget_get_visible (column->button) &&
-              !gtk_widget_get_mapped (column->button))
-            gtk_widget_map (column->button);
+         button = gtk_tree_view_column_get_button (column);
+
+          if (gtk_tree_view_column_get_visible (column) && button)
+            gtk_widget_show_now (button);
+
+          if (gtk_widget_get_visible (button) &&
+              !gtk_widget_get_mapped (button))
+            gtk_widget_map (button);
        }
       for (list = tree_view->priv->columns; list; list = list->next)
        {
          column = list->data;
          if (gtk_tree_view_column_get_visible (column) == FALSE)
            continue;
+
+         window = _gtk_tree_view_column_get_window (column);
          if (gtk_tree_view_column_get_resizable (column))
            {
-             gdk_window_raise (column->window);
-             gdk_window_show (column->window);
+             gdk_window_raise (window);
+             gdk_window_show (window);
            }
          else
-           gdk_window_hide (column->window);
+           gdk_window_hide (window);
        }
       gdk_window_show (tree_view->priv->header_window);
     }
@@ -1845,11 +2205,22 @@ gtk_tree_view_map (GtkWidget *widget)
   gdk_window_show (gtk_widget_get_window (widget));
 }
 
+static void
+gtk_tree_view_ensure_background (GtkTreeView *tree_view)
+{
+  GtkStyleContext *context;
+
+  context = gtk_widget_get_style_context (GTK_WIDGET (tree_view));
+
+  gtk_style_context_set_background (context, tree_view->priv->bin_window);
+  gtk_style_context_set_background (context, gtk_widget_get_window (GTK_WIDGET (tree_view)));
+  gtk_style_context_set_background (context, tree_view->priv->header_window);
+}
+
 static void
 gtk_tree_view_realize (GtkWidget *widget)
 {
   GtkAllocation allocation;
-  GtkStyle *style;
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
   GdkWindow *window;
   GdkWindowAttr attributes;
@@ -1875,17 +2246,18 @@ gtk_tree_view_realize (GtkWidget *widget)
   window = gdk_window_new (gtk_widget_get_parent_window (widget),
                            &attributes, attributes_mask);
   gtk_widget_set_window (widget, window);
-  gdk_window_set_user_data (window, widget);
+  gtk_widget_register_window (widget, window);
 
   gtk_widget_get_allocation (widget, &allocation);
 
   /* Make the window for the tree */
   attributes.x = 0;
-  attributes.y = TREE_VIEW_HEADER_HEIGHT (tree_view);
+  attributes.y = gtk_tree_view_get_effective_header_height (tree_view);
   attributes.width = MAX (tree_view->priv->width, allocation.width);
   attributes.height = allocation.height;
   attributes.event_mask = (GDK_EXPOSURE_MASK |
                            GDK_SCROLL_MASK |
+                           GDK_SMOOTH_SCROLL_MASK |
                            GDK_POINTER_MOTION_MASK |
                            GDK_ENTER_NOTIFY_MASK |
                            GDK_LEAVE_NOTIFY_MASK |
@@ -1895,7 +2267,7 @@ gtk_tree_view_realize (GtkWidget *widget)
 
   tree_view->priv->bin_window = gdk_window_new (window,
                                                &attributes, attributes_mask);
-  gdk_window_set_user_data (tree_view->priv->bin_window, widget);
+  gtk_widget_register_window (widget, tree_view->priv->bin_window);
 
   gtk_widget_get_allocation (widget, &allocation);
 
@@ -1916,14 +2288,9 @@ gtk_tree_view_realize (GtkWidget *widget)
 
   tree_view->priv->header_window = gdk_window_new (window,
                                                   &attributes, attributes_mask);
-  gdk_window_set_user_data (tree_view->priv->header_window, widget);
+  gtk_widget_register_window (widget, tree_view->priv->header_window);
 
-  /* Add them all up. */
-  gtk_widget_style_attach (widget);
-  style = gtk_widget_get_style (widget);
-  gdk_window_set_background (tree_view->priv->bin_window,
-                             &style->base[gtk_widget_get_state (widget)]);
-  gtk_style_set_background (style, tree_view->priv->header_window, GTK_STATE_NORMAL);
+  gtk_tree_view_ensure_background (tree_view);
 
   tmp_list = tree_view->priv->children;
   while (tmp_list)
@@ -1969,8 +2336,6 @@ gtk_tree_view_unrealize (GtkWidget *widget)
       priv->open_dest_timeout = 0;
     }
 
-  remove_expand_collapse_timeout (tree_view);
-  
   if (priv->presize_handler_timer != 0)
     {
       g_source_remove (priv->presize_handler_timer);
@@ -1998,24 +2363,24 @@ gtk_tree_view_unrealize (GtkWidget *widget)
   for (list = priv->columns; list; list = list->next)
     _gtk_tree_view_column_unrealize_button (GTK_TREE_VIEW_COLUMN (list->data));
 
-  gdk_window_set_user_data (priv->bin_window, NULL);
+  gtk_widget_unregister_window (widget, priv->bin_window);
   gdk_window_destroy (priv->bin_window);
   priv->bin_window = NULL;
 
-  gdk_window_set_user_data (priv->header_window, NULL);
+  gtk_widget_unregister_window (widget, priv->header_window);
   gdk_window_destroy (priv->header_window);
   priv->header_window = NULL;
 
   if (priv->drag_window)
     {
-      gdk_window_set_user_data (priv->drag_window, NULL);
+      gtk_widget_unregister_window (widget, priv->drag_window);
       gdk_window_destroy (priv->drag_window);
       priv->drag_window = NULL;
     }
 
   if (priv->drag_highlight_window)
     {
-      gdk_window_set_user_data (priv->drag_highlight_window, NULL);
+      gtk_widget_unregister_window (widget, priv->drag_highlight_window);
       gdk_window_destroy (priv->drag_highlight_window);
       priv->drag_highlight_window = NULL;
     }
@@ -2023,139 +2388,154 @@ gtk_tree_view_unrealize (GtkWidget *widget)
   GTK_WIDGET_CLASS (gtk_tree_view_parent_class)->unrealize (widget);
 }
 
-/* GtkWidget::size_request helper */
+/* GtkWidget::get_preferred_height helper */
 static void
-gtk_tree_view_size_request_columns (GtkTreeView *tree_view)
+gtk_tree_view_update_height (GtkTreeView *tree_view)
 {
   GList *list;
 
   tree_view->priv->header_height = 0;
 
-  if (tree_view->priv->model)
+  for (list = tree_view->priv->columns; list; list = list->next)
     {
-      for (list = tree_view->priv->columns; list; list = list->next)
-        {
-          GtkRequisition requisition;
-          GtkTreeViewColumn *column = list->data;
-
-         if (column->button == NULL)
-           continue;
+      GtkRequisition     requisition;
+      GtkTreeViewColumn *column = list->data;
+      GtkWidget         *button = gtk_tree_view_column_get_button (column);
 
-          column = list->data;
+      if (button == NULL)
+        continue;
 
-          gtk_widget_get_preferred_size (column->button, &requisition, NULL);
-         column->button_request = requisition.width;
-          tree_view->priv->header_height = MAX (tree_view->priv->header_height, requisition.height);
-        }
+      gtk_widget_get_preferred_size (button, &requisition, NULL);
+      tree_view->priv->header_height = MAX (tree_view->priv->header_height, requisition.height);
     }
-}
 
+  if (tree_view->priv->tree == NULL)
+    tree_view->priv->height = 0;
+  else
+    tree_view->priv->height = tree_view->priv->tree->root->offset;
+}
 
-/* Called only by ::size_request */
 static void
-gtk_tree_view_update_size (GtkTreeView *tree_view)
+gtk_tree_view_get_preferred_width (GtkWidget *widget,
+                                  gint      *minimum,
+                                  gint      *natural)
 {
+  GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
   GList *list;
   GtkTreeViewColumn *column;
-  gint i;
-
-  if (tree_view->priv->model == NULL)
-    {
-      tree_view->priv->width = 0;
-      tree_view->priv->prev_width = 0;                   
-      tree_view->priv->height = 0;
-      return;
-    }
+  gint column_minimum, column_natural;
 
-  tree_view->priv->prev_width = tree_view->priv->width;  
-  tree_view->priv->width = 0;
+  /* we validate some rows initially just to make sure we have some size.
+   * In practice, with a lot of static lists, this should get a good width.
+   */
+  do_validate_rows (tree_view, FALSE);
+  
+  tree_view->priv->minimum_width = 0;
+  tree_view->priv->natural_width = 0;
+  tree_view->priv->n_expand_columns = 0;
 
   /* keep this in sync with size_allocate below */
-  for (list = tree_view->priv->columns, i = 0; list; list = list->next, i++)
+  for (list = tree_view->priv->columns; list; list = list->next)
     {
-      gint max_width, min_width;
-      gint real_requested_width = 0;
-
       column = list->data;
-      if (!gtk_tree_view_column_get_visible (column))
+      if (!gtk_tree_view_column_get_visible (column) || column == tree_view->priv->drag_column)
        continue;
 
-      if (column->use_resized_width)
-       {
-         real_requested_width = column->resized_width;
-       }
-      else if (gtk_tree_view_column_get_sizing (column) == GTK_TREE_VIEW_COLUMN_FIXED)
-       {
-         real_requested_width = gtk_tree_view_column_get_fixed_width (column);
-       }
-      else if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
-       {
-         real_requested_width = MAX (column->requested_width, column->button_request);
-       }
-      else
-       {
-         real_requested_width = column->requested_width;
-       }
-
-      min_width = gtk_tree_view_column_get_min_width (column);
-      if (min_width != -1)
-       real_requested_width = MAX (real_requested_width, min_width);
-
-      max_width = gtk_tree_view_column_get_max_width (column);
-      if (max_width != -1)
-       real_requested_width = MIN (real_requested_width, max_width);
+      _gtk_tree_view_column_request_width (column, &column_minimum, &column_natural);
+      tree_view->priv->minimum_width += column_minimum;
+      tree_view->priv->natural_width += column_natural;
 
-      tree_view->priv->width += real_requested_width;
+      if (gtk_tree_view_column_get_expand (column))
+       tree_view->priv->n_expand_columns++;
     }
 
-  if (tree_view->priv->tree == NULL)
-    tree_view->priv->height = 0;
-  else
-    tree_view->priv->height = tree_view->priv->tree->root->offset;
+  if (minimum != NULL)
+    *minimum = tree_view->priv->minimum_width;
+  if (natural != NULL)
+    *natural = tree_view->priv->natural_width;
 }
 
 static void
-gtk_tree_view_size_request (GtkWidget      *widget,
-                           GtkRequisition *requisition)
+gtk_tree_view_get_preferred_height (GtkWidget *widget,
+                                   gint      *minimum,
+                                   gint      *natural)
 {
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
-  GList *tmp_list;
+  gint height;
 
-  /* we validate some rows initially just to make sure we have some size. 
-   * In practice, with a lot of static lists, this should get a good width.
-   */
-  do_validate_rows (tree_view, FALSE);
-  gtk_tree_view_size_request_columns (tree_view);
-  gtk_tree_view_update_size (GTK_TREE_VIEW (widget));
+  gtk_tree_view_update_height (tree_view);
 
-  requisition->width = tree_view->priv->width;
-  requisition->height = tree_view->priv->height + TREE_VIEW_HEADER_HEIGHT (tree_view);
+  height = tree_view->priv->height + gtk_tree_view_get_effective_header_height (tree_view);
 
-  tmp_list = tree_view->priv->children;
+  if (minimum != NULL)
+    *minimum = height;
+  if (natural != NULL)
+    *natural = height;
 }
 
 static void
-gtk_tree_view_get_preferred_width (GtkWidget *widget,
-                                  gint      *minimum,
-                                  gint      *natural)
+gtk_tree_view_modify_column_width (GtkTreeView       *tree_view,
+                                  GtkTreeViewColumn *column,
+                                  gint               width)
 {
-  GtkRequisition requisition;
+  gboolean is_expand;
+  gint n_expand_others;
+  gint minimum, natural, natural_others;
+  gint expand;
 
-  gtk_tree_view_size_request (widget, &requisition);
+  is_expand = gtk_tree_view_column_get_expand (column);
+  n_expand_others = tree_view->priv->n_expand_columns - (is_expand ? 1 : 0);
 
-  *minimum = *natural = requisition.width;
-}
+  _gtk_tree_view_column_request_width (column, &minimum, &natural);
+  natural_others = tree_view->priv->natural_width - natural;
 
-static void
-gtk_tree_view_get_preferred_height (GtkWidget *widget,
-                                   gint      *minimum,
-                                   gint      *natural)
-{
-  GtkRequisition requisition;
+  if (natural_others + width < tree_view->priv->width)
+    {
+      /* There is extra space that needs to be taken up by letting some other
+       * column(s) expand: by default, the last column. */
+      if (!n_expand_others)
+       {
+         GList *last = g_list_last (tree_view->priv->columns);
+         while (!gtk_tree_view_column_get_visible (last->data))
+           last = last->prev;
+
+         if (column == last->data)
+           return;
+
+         gtk_tree_view_column_set_expand (last->data, TRUE);
+         n_expand_others++;
+       }
 
-  gtk_tree_view_size_request (widget, &requisition);
+      /* Now try to make this column expandable also.  Solving the following
+       * equations reveals what the natural width should be to achieve the
+       * desired width after expanding:
+       *
+       *   1. natural + expand = desired_width
+       *   2. natural + natural_others + expand * (n_expand_others + 1) = total_width
+       *
+       * Solution:
+       *   expand = (total_width - natural_others - desired_width) / n_expand_others
+       *
+       * It is possible for the solved natural width to be less than the
+       * minimum; in that case, we cannot let the column expand.
+       */
+      expand = (tree_view->priv->width - natural_others - width) / n_expand_others;
+
+      if (minimum + expand > width)
+       {
+         if (is_expand)
+           gtk_tree_view_column_set_expand (column, FALSE);
+       }
+      else
+       {
+         if (!is_expand)
+           gtk_tree_view_column_set_expand (column, TRUE);
+
+         width -= expand;
+       }
+    }
 
-  *minimum = *natural = requisition.height;
+  gtk_tree_view_column_set_fixed_width (column, width);
 }
 
 static int
@@ -2178,100 +2558,6 @@ gtk_tree_view_calculate_width_before_expander (GtkTreeView *tree_view)
   return width;
 }
 
-static void
-invalidate_column (GtkTreeView       *tree_view,
-                   GtkTreeViewColumn *column)
-{
-  gint column_offset = 0;
-  GList *list;
-  GtkWidget *widget = GTK_WIDGET (tree_view);
-  gboolean rtl;
-
-  if (!gtk_widget_get_realized (widget))
-    return;
-
-  rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
-  for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
-       list;
-       list = (rtl ? list->prev : list->next))
-    {
-      GtkTreeViewColumn *tmpcolumn = list->data;
-      if (tmpcolumn == column)
-       {
-          GtkAllocation allocation;
-         GdkRectangle invalid_rect;
-
-          gtk_widget_get_allocation (widget, &allocation);
-         invalid_rect.x = column_offset;
-         invalid_rect.y = 0;
-         invalid_rect.width = gtk_tree_view_column_get_width (column);
-         invalid_rect.height = allocation.height;
-
-         gdk_window_invalidate_rect (gtk_widget_get_window (widget), &invalid_rect, TRUE);
-         break;
-       }
-
-      column_offset += gtk_tree_view_column_get_width (tmpcolumn);
-    }
-}
-
-static void
-invalidate_last_column (GtkTreeView *tree_view)
-{
-  GList *last_column;
-  gboolean rtl;
-
-  rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
-
-  for (last_column = (rtl ? g_list_first (tree_view->priv->columns) : g_list_last (tree_view->priv->columns));
-       last_column;
-       last_column = (rtl ? last_column->next : last_column->prev))
-    {
-      if (gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (last_column->data)))
-        {
-          invalidate_column (tree_view, last_column->data);
-          return;
-        }
-    }
-}
-
-static gint
-gtk_tree_view_get_real_requested_width_from_column (GtkTreeView       *tree_view,
-                                                    GtkTreeViewColumn *column)
-{
-  gint max_width, min_width;
-  gint real_requested_width;
-
-  if (column->use_resized_width)
-    {
-      real_requested_width = column->resized_width;
-    }
-  else if (gtk_tree_view_column_get_sizing (column) == GTK_TREE_VIEW_COLUMN_FIXED)
-    {
-      real_requested_width = gtk_tree_view_column_get_fixed_width (column);
-    }
-  else if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
-    {
-      real_requested_width = MAX (column->requested_width, column->button_request);
-    }
-  else
-    {
-      real_requested_width = column->requested_width;
-      if (real_requested_width < 0)
-        real_requested_width = 0;
-    }
-
-  min_width = gtk_tree_view_column_get_min_width (column);
-  if (min_width != -1)
-    real_requested_width = MAX (real_requested_width, min_width);
-
-  max_width = gtk_tree_view_column_get_max_width (column);
-  if (max_width != -1)
-    real_requested_width = MIN (real_requested_width, max_width);
-
-  return real_requested_width;
-}
-
 /* GtkWidget::size_allocate helper */
 static void
 gtk_tree_view_size_allocate_columns (GtkWidget *widget,
@@ -2280,15 +2566,10 @@ gtk_tree_view_size_allocate_columns (GtkWidget *widget,
   GtkTreeView *tree_view;
   GList *list, *first_column, *last_column;
   GtkTreeViewColumn *column;
-  GtkAllocation allocation;
   GtkAllocation widget_allocation;
-  gint width = 0;
-  gint extra, extra_per_column, extra_for_last;
-  gint full_requested_width = 0;
-  gint number_of_expand_columns = 0;
-  gboolean column_changed = FALSE;
+  gint minimum_width, natural_width, n_expand_columns, width;
+  gint column_minimum, column_natural, column_width;
   gboolean rtl;
-  gboolean update_expand;
   
   tree_view = GTK_TREE_VIEW (widget);
 
@@ -2306,153 +2587,90 @@ gtk_tree_view_size_allocate_columns (GtkWidget *widget,
        first_column = first_column->next)
     ;
 
-  allocation.y = 0;
-  allocation.height = tree_view->priv->header_height;
-
   rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
 
-  /* find out how many extra space and expandable columns we have */
-  for (list = tree_view->priv->columns; list != last_column->next; list = list->next)
-    {
-      column = (GtkTreeViewColumn *)list->data;
-
-      if (!gtk_tree_view_column_get_visible (column))
-       continue;
-
-      full_requested_width += gtk_tree_view_get_real_requested_width_from_column (tree_view, column);
-
-      if (gtk_tree_view_column_get_expand (column))
-       number_of_expand_columns++;
-    }
-
-  /* Only update the expand value if the width of the widget has changed,
-   * or the number of expand columns has changed, or if there are no expand
-   * columns, or if we didn't have an size-allocation yet after the
-   * last validated node.
-   */
-  update_expand = (width_changed && *width_changed == TRUE)
-      || number_of_expand_columns != tree_view->priv->last_number_of_expand_columns
-      || number_of_expand_columns == 0
-      || tree_view->priv->post_validation_flag == TRUE;
-
-  tree_view->priv->post_validation_flag = FALSE;
-
   gtk_widget_get_allocation (widget, &widget_allocation);
-  if (!update_expand)
-    {
-      extra = tree_view->priv->last_extra_space;
-      extra_for_last = MAX (widget_allocation.width - full_requested_width - extra, 0);
-    }
-  else
-    {
-      extra = MAX (widget_allocation.width - full_requested_width, 0);
-      extra_for_last = 0;
 
-      tree_view->priv->last_extra_space = extra;
-    }
+  minimum_width = tree_view->priv->minimum_width;
+  natural_width = tree_view->priv->natural_width;
+  n_expand_columns = tree_view->priv->n_expand_columns;
 
-  if (number_of_expand_columns > 0)
-    extra_per_column = extra/number_of_expand_columns;
-  else
-    extra_per_column = 0;
+  width = MAX (widget_allocation.width, minimum_width);
 
-  if (update_expand)
+  /* We change the width here.  The user might have been resizing columns,
+   * which changes the total width of the tree view.  This is of
+   * importance for getting the horizontal scroll bar right.
+   */
+  if (tree_view->priv->width != width)
     {
-      tree_view->priv->last_extra_space_per_column = extra_per_column;
-      tree_view->priv->last_number_of_expand_columns = number_of_expand_columns;
+      tree_view->priv->width = width;
+      if (width_changed)
+        *width_changed = TRUE;
     }
 
-  for (list = (rtl ? last_column : first_column); 
-       list != (rtl ? first_column->prev : last_column->next);
-       list = (rtl ? list->prev : list->next)) 
+  /* iterate through columns in reverse order */
+  for (list = (rtl ? first_column : last_column); 
+       list != (rtl ? last_column->next : first_column->prev);
+       list = (rtl ? list->next : list->prev)) 
     {
-      gint real_requested_width = 0;
-      gint old_width, column_width;
-
       column = list->data;
-      old_width = gtk_tree_view_column_get_width (column);
 
-      if (!gtk_tree_view_column_get_visible (column))
+      if (!gtk_tree_view_column_get_visible (column) || column == tree_view->priv->drag_column)
        continue;
 
-      /* We need to handle the dragged button specially.
-       */
-      if (column == tree_view->priv->drag_column)
-       {
-         GtkAllocation drag_allocation;
-
-         drag_allocation.x = 0;
-         drag_allocation.y = 0;
-          drag_allocation.width = gdk_window_get_width (tree_view->priv->drag_window);
-          drag_allocation.height = gdk_window_get_height (tree_view->priv->drag_window);
-         gtk_widget_size_allocate (tree_view->priv->drag_column->button,
-                                   &drag_allocation);
-         width += drag_allocation.width;
-         continue;
-       }
-
-      real_requested_width = gtk_tree_view_get_real_requested_width_from_column (tree_view, column);
+      _gtk_tree_view_column_request_width (column, &column_minimum, &column_natural);
+      
+      column_width = column_natural;
 
-      allocation.x = width;
-      column->width = real_requested_width;
-
-      if (gtk_tree_view_column_get_expand (column))
-       {
-         if (number_of_expand_columns == 1)
+      if (width > natural_width)
+        {
+         /* We need to expand some columns.  If there are none marked to
+          * expand, give all the extra space to the last column. */
+         if (n_expand_columns == 0)
            {
-             /* We add the remander to the last column as
-              * */
-             column->width += extra;
+             column_width = column_natural + (width - natural_width);
            }
-         else
+         else if (gtk_tree_view_column_get_expand (column))
            {
-             column->width += extra_per_column;
-             extra -= extra_per_column;
-             number_of_expand_columns --;
+             column_width = column_natural + (width - natural_width) / n_expand_columns;
+             n_expand_columns--;
            }
-       }
-      else if (number_of_expand_columns == 0 &&
-              list == last_column)
+        }
+      else if (width < natural_width)
        {
-         column->width += extra;
+         /* We need to shrink some columns.  Starting with later columns,
+          * shrink each one down to its minimum width as necessary. */
+         column_width = MAX (column_natural + (width - natural_width), column_minimum);
        }
+       
+      _gtk_tree_view_column_allocate (column, width - column_width, column_width);
+      
+      minimum_width -= column_minimum;
+      natural_width -= column_natural;
+      width -= column_width;
+    }
+}
 
-      /* In addition to expand, the last column can get even more
-       * extra space so all available space is filled up.
-       */
-      if (extra_for_last > 0 && list == last_column)
-       column->width += extra_for_last;
-
-      g_object_notify (G_OBJECT (column), "width");
-
-      column_width = gtk_tree_view_column_get_width (column);
-      allocation.width = column_width;
-      width += column_width;
-
-      if (column_width > old_width)
-        column_changed = TRUE;
-
-      gtk_widget_size_allocate (column->button, &allocation);
+/* GtkWidget::size_allocate helper */
+static void
+gtk_tree_view_size_allocate_drag_column (GtkWidget *widget)
+{
+  GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
+  GtkAllocation drag_allocation;
+  GtkWidget *button;
 
-      if (column->window)
-       gdk_window_move_resize (column->window,
-                                allocation.x + (rtl ? 0 : allocation.width) - TREE_VIEW_DRAG_WIDTH/2,
-                               allocation.y,
-                                TREE_VIEW_DRAG_WIDTH, allocation.height);
-    }
+  if (tree_view->priv->drag_column == NULL)
+    return;
 
-  /* We change the width here.  The user might have been resizing columns,
-   * so the total width of the tree view changes.
-   */
-  tree_view->priv->width = width;
-  if (width_changed)
-    *width_changed = TRUE;
+  button = gtk_tree_view_column_get_button (tree_view->priv->drag_column);
 
-  if (column_changed)
-    gtk_widget_queue_draw (GTK_WIDGET (tree_view));
+  drag_allocation.x = 0;
+  drag_allocation.y = 0;
+  drag_allocation.width = gdk_window_get_width (tree_view->priv->drag_window);
+  drag_allocation.height = gdk_window_get_height (tree_view->priv->drag_window);
+  gtk_widget_size_allocate (button, &drag_allocation);
 }
 
-
 static void
 gtk_tree_view_size_allocate (GtkWidget     *widget,
                             GtkAllocation *allocation)
@@ -2491,6 +2709,7 @@ gtk_tree_view_size_allocate (GtkWidget     *widget,
    * tree view (used in updating the adjustments below) might change.
    */
   gtk_tree_view_size_allocate_columns (widget, &width_changed);
+  gtk_tree_view_size_allocate_drag_column (widget);
 
   g_object_freeze_notify (G_OBJECT (tree_view->priv->hadjustment));
   gtk_adjustment_set_page_size (tree_view->priv->hadjustment,
@@ -2501,7 +2720,7 @@ gtk_tree_view_size_allocate (GtkWidget     *widget,
                                      allocation->width * 0.1);
   gtk_adjustment_set_lower (tree_view->priv->hadjustment, 0);
   gtk_adjustment_set_upper (tree_view->priv->hadjustment,
-                            MAX (tree_view->priv->hadjustment->page_size,
+                            MAX (gtk_adjustment_get_page_size (tree_view->priv->hadjustment),
                                  tree_view->priv->width));
   g_object_thaw_notify (G_OBJECT (tree_view->priv->hadjustment));
 
@@ -2519,15 +2738,10 @@ gtk_tree_view_size_allocate (GtkWidget     *widget,
          else if (allocation->width != old_width)
            {
              gtk_adjustment_set_value (tree_view->priv->hadjustment,
-                                        CLAMP (tree_view->priv->hadjustment->value - allocation->width + old_width,
+                                        CLAMP (gtk_adjustment_get_value (tree_view->priv->hadjustment) - allocation->width + old_width,
                                                0,
                                                tree_view->priv->width - allocation->width));
            }
-         else
-            gtk_adjustment_set_value (tree_view->priv->hadjustment,
-                                      CLAMP (tree_view->priv->width - (tree_view->priv->prev_width - tree_view->priv->hadjustment->value),
-                                             0,
-                                             tree_view->priv->width - allocation->width));
        }
       else
         {
@@ -2536,7 +2750,7 @@ gtk_tree_view_size_allocate (GtkWidget     *widget,
        }
     }
   else
-    if (tree_view->priv->hadjustment->value + allocation->width > tree_view->priv->width)
+    if (gtk_adjustment_get_value (tree_view->priv->hadjustment) + allocation->width > tree_view->priv->width)
       gtk_adjustment_set_value (tree_view->priv->hadjustment,
                                 MAX (tree_view->priv->width -
                                      allocation->width, 0));
@@ -2544,23 +2758,23 @@ gtk_tree_view_size_allocate (GtkWidget     *widget,
   g_object_freeze_notify (G_OBJECT (tree_view->priv->vadjustment));
   gtk_adjustment_set_page_size (tree_view->priv->vadjustment,
                                 allocation->height -
-                                TREE_VIEW_HEADER_HEIGHT (tree_view));
+                                gtk_tree_view_get_effective_header_height (tree_view));
   gtk_adjustment_set_step_increment (tree_view->priv->vadjustment,
-                                     tree_view->priv->vadjustment->page_size * 0.1);
+                                     gtk_adjustment_get_page_size (tree_view->priv->vadjustment) * 0.1);
   gtk_adjustment_set_page_increment (tree_view->priv->vadjustment,
-                                     tree_view->priv->vadjustment->page_size * 0.9);
+                                     gtk_adjustment_get_page_size (tree_view->priv->vadjustment) * 0.9);
   gtk_adjustment_set_lower (tree_view->priv->vadjustment, 0);
   gtk_adjustment_set_upper (tree_view->priv->vadjustment,
-                            MAX (tree_view->priv->vadjustment->page_size,
+                            MAX (gtk_adjustment_get_page_size (tree_view->priv->vadjustment),
                                  tree_view->priv->height));
   g_object_thaw_notify (G_OBJECT (tree_view->priv->vadjustment));
 
   /* now the adjustments and window sizes are in sync, we can sync toprow/dy again */
-  if (tree_view->priv->height <= tree_view->priv->vadjustment->page_size)
+  if (tree_view->priv->height <= gtk_adjustment_get_page_size (tree_view->priv->vadjustment))
     gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment), 0);
-  else if (tree_view->priv->vadjustment->value + tree_view->priv->vadjustment->page_size > tree_view->priv->height)
+  else if (gtk_adjustment_get_value (tree_view->priv->vadjustment) + gtk_adjustment_get_page_size (tree_view->priv->vadjustment) > tree_view->priv->height)
     gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment),
-                              tree_view->priv->height - tree_view->priv->vadjustment->page_size);
+                              tree_view->priv->height - gtk_adjustment_get_page_size (tree_view->priv->vadjustment));
   else if (gtk_tree_row_reference_valid (tree_view->priv->top_row))
     gtk_tree_view_top_row_to_dy (tree_view);
   else
@@ -2572,31 +2786,18 @@ gtk_tree_view_size_allocate (GtkWidget     *widget,
                              allocation->x, allocation->y,
                              allocation->width, allocation->height);
       gdk_window_move_resize (tree_view->priv->header_window,
-                             - (gint) tree_view->priv->hadjustment->value,
+                             - (gint) gtk_adjustment_get_value (tree_view->priv->hadjustment),
                              0,
                              MAX (tree_view->priv->width, allocation->width),
                              tree_view->priv->header_height);
       gdk_window_move_resize (tree_view->priv->bin_window,
-                             - (gint) tree_view->priv->hadjustment->value,
-                             TREE_VIEW_HEADER_HEIGHT (tree_view),
+                             - (gint) gtk_adjustment_get_value (tree_view->priv->hadjustment),
+                             gtk_tree_view_get_effective_header_height (tree_view),
                              MAX (tree_view->priv->width, allocation->width),
-                             allocation->height - TREE_VIEW_HEADER_HEIGHT (tree_view));
-    }
+                             allocation->height - gtk_tree_view_get_effective_header_height (tree_view));
 
-  if (tree_view->priv->tree == NULL)
-    invalidate_empty_focus (tree_view);
-
-  if (gtk_widget_get_realized (widget))
-    {
-      gboolean has_expand_column = FALSE;
-      for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next)
-       {
-         if (gtk_tree_view_column_get_expand (GTK_TREE_VIEW_COLUMN (tmp_list->data)))
-           {
-             has_expand_column = TRUE;
-             break;
-           }
-       }
+      if (tree_view->priv->tree == NULL)
+        invalidate_empty_focus (tree_view);
 
       if (width_changed && tree_view->priv->expander_column)
         {
@@ -2618,16 +2819,6 @@ gtk_tree_view_size_allocate (GtkWidget     *widget,
 
           tree_view->priv->prev_width_before_expander = width_before_expander;
         }
-
-      /* This little hack only works if we have an LTR locale, and no column has the  */
-      if (width_changed)
-       {
-         if (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_LTR &&
-             ! has_expand_column)
-           invalidate_last_column (tree_view);
-         else
-           gtk_widget_queue_draw (widget);
-       }
     }
 }
 
@@ -2639,7 +2830,7 @@ grab_focus_and_unset_draw_keyfocus (GtkTreeView *tree_view)
 
   if (gtk_widget_get_can_focus (widget) && !gtk_widget_has_focus (widget))
     gtk_widget_grab_focus (widget);
-  GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
+  tree_view->priv->draw_keyfocus = 0;
 }
 
 static inline gboolean
@@ -2654,9 +2845,12 @@ row_is_separator (GtkTreeView *tree_view,
       GtkTreeIter tmpiter;
 
       if (iter)
-       tmpiter = *iter;
+        tmpiter = *iter;
       else
-       gtk_tree_model_get_iter (tree_view->priv->model, &tmpiter, path);
+        {
+          if (!gtk_tree_model_get_iter (tree_view->priv->model, &tmpiter, path))
+            return FALSE;
+        }
 
       is_separator = tree_view->priv->row_separator_func (tree_view->priv->model,
                                                           &tmpiter,
@@ -2666,6 +2860,20 @@ row_is_separator (GtkTreeView *tree_view,
   return is_separator;
 }
 
+static int
+gtk_tree_view_get_expander_size (GtkTreeView *tree_view)
+{
+  gint expander_size;
+  gint horizontal_separator;
+
+  gtk_widget_style_get (GTK_WIDGET (tree_view),
+                       "expander-size", &expander_size,
+                        "horizontal-separator", &horizontal_separator,
+                       NULL);
+
+  return expander_size + (horizontal_separator / 2);
+}
+
 static gboolean
 gtk_tree_view_button_press (GtkWidget      *widget,
                            GdkEventButton *event)
@@ -2688,7 +2896,10 @@ gtk_tree_view_button_press (GtkWidget      *widget,
                        "horizontal-separator", &horizontal_separator,
                        NULL);
 
-
+  /* Don't handle extra mouse buttons events, let them bubble up */
+  if (event->button > 5)
+    return FALSE;
   /* Because grab_focus can cause reentrancy, we delay grab_focus until after
    * we're done handling the button press.
    */
@@ -2698,18 +2909,18 @@ gtk_tree_view_button_press (GtkWidget      *widget,
       GtkRBNode *node;
       GtkRBTree *tree;
       GtkTreePath *path;
-      gchar *path_string;
       gint depth;
       gint new_y;
       gint y_offset;
       gint dval;
       gint pre_val, aft_val;
       GtkTreeViewColumn *column = NULL;
-      GtkCellRenderer *focus_cell = NULL;
       gint column_handled_click = FALSE;
       gboolean row_double_click = FALSE;
       gboolean rtl;
       gboolean node_selected;
+      GdkModifierType extend_mod_mask;
+      GdkModifierType modify_mod_mask;
 
       /* Empty tree? */
       if (tree_view->priv->tree == NULL)
@@ -2720,10 +2931,10 @@ gtk_tree_view_button_press (GtkWidget      *widget,
 
       /* are we in an arrow? */
       if (tree_view->priv->prelight_node &&
-          GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT) &&
-         TREE_VIEW_DRAW_EXPANDERS (tree_view))
+          tree_view->priv->arrow_prelit &&
+         gtk_tree_view_draw_expanders (tree_view))
        {
-         if (event->button == 1)
+         if (event->button == GDK_BUTTON_PRIMARY)
            {
              gtk_grab_add (widget);
              tree_view->priv->button_pressed_node = tree_view->priv->prelight_node;
@@ -2751,7 +2962,7 @@ gtk_tree_view_button_press (GtkWidget      *widget,
        }
 
       /* Get the path and the node */
-      path = _gtk_tree_view_find_path (tree_view, tree, node);
+      path = _gtk_tree_path_new_from_rbtree (tree, node);
       path_is_selectable = !row_is_separator (tree_view, NULL, path);
 
       if (!path_is_selectable)
@@ -2763,7 +2974,7 @@ gtk_tree_view_button_press (GtkWidget      *widget,
 
       depth = gtk_tree_path_get_depth (path);
       background_area.y = y_offset + event->y;
-      background_area.height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
+      background_area.height = gtk_tree_view_get_row_height (tree_view, node);
       background_area.x = 0;
 
 
@@ -2777,7 +2988,7 @@ gtk_tree_view_button_press (GtkWidget      *widget,
          if (!gtk_tree_view_column_get_visible (candidate))
            continue;
 
-         background_area.width = candidate->width;
+         background_area.width = gtk_tree_view_column_get_width (candidate);
          if ((background_area.x > (gint) event->x) ||
              (background_area.x + background_area.width <= (gint) event->x))
            {
@@ -2798,11 +3009,12 @@ gtk_tree_view_button_press (GtkWidget      *widget,
                cell_area.x += (depth - 1) * tree_view->priv->level_indentation;
              cell_area.width -= (depth - 1) * tree_view->priv->level_indentation;
 
-              if (TREE_VIEW_DRAW_EXPANDERS (tree_view))
+              if (gtk_tree_view_draw_expanders (tree_view))
                {
+                  gint expander_size = gtk_tree_view_get_expander_size (tree_view);
                  if (!rtl)
-                   cell_area.x += depth * tree_view->priv->expander_size;
-                 cell_area.width -= depth * tree_view->priv->expander_size;
+                   cell_area.x += depth * expander_size;
+                 cell_area.width -= depth * expander_size;
                }
            }
          break;
@@ -2815,10 +3027,10 @@ gtk_tree_view_button_press (GtkWidget      *widget,
          return FALSE;
        }
 
-      tree_view->priv->focus_column = column;
+      _gtk_tree_view_set_focus_column (tree_view, column);
 
       /* decide if we edit */
-      if (event->type == GDK_BUTTON_PRESS && event->button == 1 &&
+      if (event->type == GDK_BUTTON_PRESS && event->button == GDK_BUTTON_PRIMARY &&
          !(event->state & gtk_accelerator_get_default_mod_mask ()))
        {
          GtkTreePath *anchor;
@@ -2844,87 +3056,85 @@ gtk_tree_view_button_press (GtkWidget      *widget,
              /* FIXME: get the right flags */
              guint flags = 0;
 
-             path_string = gtk_tree_path_to_string (path);
-
              if (_gtk_tree_view_column_cell_event (column,
-                                                   &cell_editable,
                                                    (GdkEvent *)event,
-                                                   path_string,
-                                                   &background_area,
                                                    &cell_area, flags))
                {
+                 GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column));
+                  cell_editable = gtk_cell_area_get_edit_widget (area);
+
                  if (cell_editable != NULL)
                    {
-                     gint left, right;
-                     GdkRectangle area;
-
-                     area = cell_area;
-                     _gtk_tree_view_column_get_neighbor_sizes (column, _gtk_tree_view_column_get_edited_cell (column), &left, &right);
-
-                     area.x += left;
-                     area.width -= right + left;
-
-                     gtk_tree_view_real_start_editing (tree_view,
-                                                       column,
-                                                       path,
-                                                       cell_editable,
-                                                       &area,
-                                                       (GdkEvent *)event,
-                                                       flags);
-                     g_free (path_string);
                      gtk_tree_path_free (path);
                      gtk_tree_path_free (anchor);
                      return TRUE;
                    }
                  column_handled_click = TRUE;
                }
-             g_free (path_string);
            }
          if (anchor)
            gtk_tree_path_free (anchor);
        }
 
+      extend_mod_mask =
+        gtk_widget_get_modifier_mask (widget, GDK_MODIFIER_INTENT_EXTEND_SELECTION);
+
+      modify_mod_mask =
+        gtk_widget_get_modifier_mask (widget, GDK_MODIFIER_INTENT_MODIFY_SELECTION);
+
       /* select */
       node_selected = GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED);
-      pre_val = tree_view->priv->vadjustment->value;
+      pre_val = gtk_adjustment_get_value (tree_view->priv->vadjustment);
 
       /* we only handle selection modifications on the first button press
        */
       if (event->type == GDK_BUTTON_PRESS)
         {
-          if ((event->state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
-            tree_view->priv->ctrl_pressed = TRUE;
-          if ((event->state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK)
-            tree_view->priv->shift_pressed = TRUE;
+          GtkCellRenderer *focus_cell;
+
+          if ((event->state & modify_mod_mask) == modify_mod_mask)
+            tree_view->priv->modify_selection_pressed = TRUE;
+          if ((event->state & extend_mod_mask) == extend_mod_mask)
+            tree_view->priv->extend_selection_pressed = TRUE;
+
+          /* We update the focus cell here, this is also needed if the
+           * column does not contain an editable cell.  In this case,
+           * GtkCellArea did not receive the event for processing (and
+           * could not update the focus cell).
+           */
+          focus_cell = _gtk_tree_view_column_get_cell_at_pos (column,
+                                                              &cell_area,
+                                                              &background_area,
+                                                              event->x,
+                                                              event->y);
 
-          focus_cell = _gtk_tree_view_column_get_cell_at_pos (column, event->x - background_area.x);
           if (focus_cell)
             gtk_tree_view_column_focus_cell (column, focus_cell);
 
-          if (event->state & GDK_CONTROL_MASK)
+          if (event->state & modify_mod_mask)
             {
-              gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE);
+              gtk_tree_view_real_set_cursor (tree_view, path, CLAMP_NODE);
               gtk_tree_view_real_toggle_cursor_row (tree_view);
             }
-          else if (event->state & GDK_SHIFT_MASK)
+          else if (event->state & extend_mod_mask)
             {
-              gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE);
+              gtk_tree_view_real_set_cursor (tree_view, path, CLAMP_NODE);
               gtk_tree_view_real_select_cursor_row (tree_view, FALSE);
             }
           else
             {
-              gtk_tree_view_real_set_cursor (tree_view, path, TRUE, TRUE);
+              gtk_tree_view_real_set_cursor (tree_view, path, CLEAR_AND_SELECT | CLAMP_NODE);
             }
 
-          tree_view->priv->ctrl_pressed = FALSE;
-          tree_view->priv->shift_pressed = FALSE;
+          tree_view->priv->modify_selection_pressed = FALSE;
+          tree_view->priv->extend_selection_pressed = FALSE;
         }
 
       /* the treeview may have been scrolled because of _set_cursor,
        * correct here
        */
 
-      aft_val = tree_view->priv->vadjustment->value;
+      aft_val = gtk_adjustment_get_value (tree_view->priv->vadjustment);
       dval = pre_val - aft_val;
 
       cell_area.y += dval;
@@ -2942,52 +3152,61 @@ gtk_tree_view_button_press (GtkWidget      *widget,
 
          if (tree_view->priv->rubber_banding_enable
              && !node_selected
-             && tree_view->priv->selection->type == GTK_SELECTION_MULTIPLE)
+             && gtk_tree_selection_get_mode (tree_view->priv->selection) == GTK_SELECTION_MULTIPLE)
            {
              tree_view->priv->press_start_y += tree_view->priv->dy;
              tree_view->priv->rubber_band_x = event->x;
              tree_view->priv->rubber_band_y = event->y + tree_view->priv->dy;
              tree_view->priv->rubber_band_status = RUBBER_BAND_MAYBE_START;
 
-             if ((event->state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
-               tree_view->priv->rubber_band_ctrl = TRUE;
-             if ((event->state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK)
-               tree_view->priv->rubber_band_shift = TRUE;
+             if ((event->state & modify_mod_mask) == modify_mod_mask)
+               tree_view->priv->rubber_band_modify = TRUE;
+             if ((event->state & extend_mod_mask) == extend_mod_mask)
+               tree_view->priv->rubber_band_extend = TRUE;
            }
         }
 
-      /* Test if a double click happened on the same row. */
-      if (event->button == 1 && event->type == GDK_BUTTON_PRESS)
+      if (event->button == GDK_BUTTON_PRIMARY && event->type == GDK_BUTTON_PRESS)
         {
-          int double_click_time, double_click_distance;
-
-          g_object_get (gtk_settings_get_default (),
-                        "gtk-double-click-time", &double_click_time,
-                        "gtk-double-click-distance", &double_click_distance,
-                        NULL);
 
-          /* Same conditions as _gdk_event_button_generate */
-          if (tree_view->priv->last_button_x != -1 &&
-              (event->time < tree_view->priv->last_button_time + double_click_time) &&
-              (ABS (event->x - tree_view->priv->last_button_x) <= double_click_distance) &&
-              (ABS (event->y - tree_view->priv->last_button_y) <= double_click_distance))
+          /* Test if a double click happened on the same row. */
+          if (!tree_view->priv->activate_on_single_click)
             {
-              /* We do no longer compare paths of this row and the
-               * row clicked previously.  We use the double click
-               * distance to decide whether this is a valid click,
-               * allowing the mouse to slightly move over another row.
-               */
-              row_double_click = TRUE;
-
-              tree_view->priv->last_button_time = 0;
-              tree_view->priv->last_button_x = -1;
-              tree_view->priv->last_button_y = -1;
+              int double_click_time, double_click_distance;
+
+              g_object_get (gtk_settings_get_default (),
+                            "gtk-double-click-time", &double_click_time,
+                            "gtk-double-click-distance", &double_click_distance,
+                            NULL);
+
+              /* Same conditions as _gdk_event_button_generate */
+              if (tree_view->priv->last_button_x != -1 &&
+                  (event->time < tree_view->priv->last_button_time + double_click_time) &&
+                  (ABS (event->x - tree_view->priv->last_button_x) <= double_click_distance) &&
+                  (ABS (event->y - tree_view->priv->last_button_y) <= double_click_distance))
+                {
+                  /* We do no longer compare paths of this row and the
+                   * row clicked previously.  We use the double click
+                   * distance to decide whether this is a valid click,
+                   * allowing the mouse to slightly move over another row.
+                   */
+                  row_double_click = TRUE;
+
+                  tree_view->priv->last_button_time = 0;
+                  tree_view->priv->last_button_x = -1;
+                  tree_view->priv->last_button_y = -1;
+                }
+              else
+                {
+                  tree_view->priv->last_button_time = event->time;
+                  tree_view->priv->last_button_x = event->x;
+                  tree_view->priv->last_button_y = event->y;
+                }
             }
           else
             {
-              tree_view->priv->last_button_time = event->time;
-              tree_view->priv->last_button_x = event->x;
-              tree_view->priv->last_button_y = event->y;
+              tree_view->priv->button_pressed_node = tree_view->priv->prelight_node;
+              tree_view->priv->button_pressed_tree = tree_view->priv->prelight_tree;
             }
         }
 
@@ -3016,32 +3235,35 @@ gtk_tree_view_button_press (GtkWidget      *widget,
   for (i = 0, list = tree_view->priv->columns; list; list = list->next, i++)
     {
       column = list->data;
-      if (event->window == column->window &&
+      if (event->window == _gtk_tree_view_column_get_window (column) &&
          gtk_tree_view_column_get_resizable (column) &&
-         column->window)
+         _gtk_tree_view_column_get_window (column))
        {
-          GtkAllocation button_allocation;
          gpointer drag_data;
+         gint column_width, x;
 
          if (event->type == GDK_2BUTTON_PRESS &&
              gtk_tree_view_column_get_sizing (column) != GTK_TREE_VIEW_COLUMN_AUTOSIZE)
            {
-             column->use_resized_width = FALSE;
+             gtk_tree_view_column_set_fixed_width (column, -1);
+             gtk_tree_view_column_set_expand (column, FALSE);
              _gtk_tree_view_column_autosize (tree_view, column);
              return TRUE;
            }
 
-         if (gdk_pointer_grab (column->window, FALSE,
-                               GDK_POINTER_MOTION_HINT_MASK |
-                               GDK_BUTTON1_MOTION_MASK |
-                               GDK_BUTTON_RELEASE_MASK,
-                               NULL, NULL, event->time))
-           return FALSE;
+          if (gdk_device_grab (gdk_event_get_device ((GdkEvent*)event),
+                               _gtk_tree_view_column_get_window (column),
+                               GDK_OWNERSHIP_NONE,
+                               FALSE,
+                               GDK_POINTER_MOTION_HINT_MASK
+                                | GDK_BUTTON1_MOTION_MASK
+                                | GDK_BUTTON_RELEASE_MASK,
+                               NULL,
+                               event->time) != GDK_GRAB_SUCCESS)
+            return FALSE;
 
-         gtk_grab_add (widget);
-         GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE);
-         column->resized_width = gtk_tree_view_column_get_width (column) -
-                                  tree_view->priv->last_extra_space_per_column;
+          gtk_grab_add (widget);
+          tree_view->priv->in_column_resize = TRUE;
 
          /* block attached dnd signal handler */
          drag_data = g_object_get_data (G_OBJECT (widget), "gtk-site-data");
@@ -3051,9 +3273,13 @@ gtk_tree_view_button_press (GtkWidget      *widget,
                                             0, 0, NULL, NULL,
                                             drag_data);
 
-          gtk_widget_get_allocation (column->button, &button_allocation);
+         column_width = gtk_tree_view_column_get_width (column);
+         gdk_window_get_device_position (tree_view->priv->bin_window,
+                                         gdk_event_get_device ((GdkEvent *) event),
+                                         &x, NULL, NULL);
+
          tree_view->priv->drag_pos = i;
-         tree_view->priv->x_drag = button_allocation.x + (rtl ? 0 : button_allocation.width);
+         tree_view->priv->x_drag = x + (rtl ? column_width : -column_width);
 
          if (!gtk_widget_has_focus (widget))
            gtk_widget_grab_focus (widget);
@@ -3070,31 +3296,41 @@ gtk_tree_view_button_release_drag_column (GtkWidget      *widget,
                                          GdkEventButton *event)
 {
   GtkTreeView *tree_view;
+  GtkWidget *button;
   GList *l;
   gboolean rtl;
+  GdkDevice *device, *other;
+  GtkStyleContext *context;
 
   tree_view = GTK_TREE_VIEW (widget);
 
   rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
-  gdk_display_pointer_ungrab (gtk_widget_get_display (widget), GDK_CURRENT_TIME);
-  gdk_display_keyboard_ungrab (gtk_widget_get_display (widget), GDK_CURRENT_TIME);
+  device = gdk_event_get_device ((GdkEvent*)event);
+  other = gdk_device_get_associated_device (device);
+  gdk_device_ungrab (device, event->time);
+  gdk_device_ungrab (other, event->time);
 
   /* Move the button back */
-  g_object_ref (tree_view->priv->drag_column->button);
-  gtk_container_remove (GTK_CONTAINER (tree_view), tree_view->priv->drag_column->button);
-  gtk_widget_set_parent_window (tree_view->priv->drag_column->button, tree_view->priv->header_window);
-  gtk_widget_set_parent (tree_view->priv->drag_column->button, GTK_WIDGET (tree_view));
-  g_object_unref (tree_view->priv->drag_column->button);
+  button = gtk_tree_view_column_get_button (tree_view->priv->drag_column);
+
+  context = gtk_widget_get_style_context (button);
+  gtk_style_context_remove_class (context, GTK_STYLE_CLASS_DND);
+
+  g_object_ref (button);
+  gtk_container_remove (GTK_CONTAINER (tree_view), button);
+  gtk_widget_set_parent_window (button, tree_view->priv->header_window);
+  gtk_widget_set_parent (button, GTK_WIDGET (tree_view));
+  g_object_unref (button);
   gtk_widget_queue_resize (widget);
   if (gtk_tree_view_column_get_resizable (tree_view->priv->drag_column))
     {
-      gdk_window_raise (tree_view->priv->drag_column->window);
-      gdk_window_show (tree_view->priv->drag_column->window);
+      gdk_window_raise (_gtk_tree_view_column_get_window (tree_view->priv->drag_column));
+      gdk_window_show (_gtk_tree_view_column_get_window (tree_view->priv->drag_column));
     }
   else
-    gdk_window_hide (tree_view->priv->drag_column->window);
+    gdk_window_hide (_gtk_tree_view_column_get_window (tree_view->priv->drag_column));
 
-  gtk_widget_grab_focus (tree_view->priv->drag_column->button);
+  gtk_widget_grab_focus (button);
 
   if (rtl)
     {
@@ -3111,7 +3347,9 @@ gtk_tree_view_button_release_drag_column (GtkWidget      *widget,
                                         tree_view->priv->cur_reorder->left_column);
     }
   tree_view->priv->drag_column = NULL;
-  gdk_window_hide (tree_view->priv->drag_window);
+  gtk_widget_unregister_window (widget, tree_view->priv->drag_window);
+  gdk_window_destroy (tree_view->priv->drag_window);
+  tree_view->priv->drag_window = NULL;
 
   for (l = tree_view->priv->column_drag_info; l != NULL; l = l->next)
     g_slice_free (GtkTreeViewColumnReorder, l->data);
@@ -3124,7 +3362,7 @@ gtk_tree_view_button_release_drag_column (GtkWidget      *widget,
 
   /* Reset our flags */
   tree_view->priv->drag_column_window_state = DRAG_COLUMN_WINDOW_STATE_UNSET;
-  GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG);
+  tree_view->priv->in_column_drag = FALSE;
 
   return TRUE;
 }
@@ -3149,20 +3387,25 @@ gtk_tree_view_button_release_column_resize (GtkWidget      *widget,
                                       0, 0, NULL, NULL,
                                       drag_data);
 
-  GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE);
+  tree_view->priv->in_column_resize = FALSE;
   gtk_grab_remove (widget);
-  gdk_display_pointer_ungrab (gdk_window_get_display (event->window),
-                             event->time);
+  gdk_device_ungrab (gdk_event_get_device ((GdkEvent*)event), event->time);
   return TRUE;
 }
 
+static gboolean
+button_event_modifies_selection (GdkEventButton *event)
+{
+        return (event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) != 0;
+}
+
 static gboolean
 gtk_tree_view_button_release (GtkWidget      *widget,
                              GdkEventButton *event)
 {
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
 
-  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG))
+  if (tree_view->priv->in_column_drag)
     return gtk_tree_view_button_release_drag_column (widget, event);
 
   if (tree_view->priv->rubber_band_status)
@@ -3171,23 +3414,21 @@ gtk_tree_view_button_release (GtkWidget      *widget,
   if (tree_view->priv->pressed_button == event->button)
     tree_view->priv->pressed_button = -1;
 
-  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE))
+  if (tree_view->priv->in_column_resize)
     return gtk_tree_view_button_release_column_resize (widget, event);
 
   if (tree_view->priv->button_pressed_node == NULL)
     return FALSE;
 
-  if (event->button == 1)
+  if (event->button == GDK_BUTTON_PRIMARY
+      && tree_view->priv->button_pressed_node == tree_view->priv->prelight_node)
     {
-      gtk_grab_remove (widget);
-      if (tree_view->priv->button_pressed_node == tree_view->priv->prelight_node &&
-          GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT))
+      if (tree_view->priv->arrow_prelit)
        {
          GtkTreePath *path = NULL;
 
-         path = _gtk_tree_view_find_path (tree_view,
-                                          tree_view->priv->button_pressed_tree,
-                                          tree_view->priv->button_pressed_node);
+         path = _gtk_tree_path_new_from_rbtree (tree_view->priv->button_pressed_tree,
+                                                tree_view->priv->button_pressed_node);
          /* Actually activate the node */
          if (tree_view->priv->button_pressed_node->children == NULL)
            gtk_tree_view_real_expand_row (tree_view, path,
@@ -3200,7 +3441,18 @@ gtk_tree_view_button_release (GtkWidget      *widget,
                                             tree_view->priv->button_pressed_node, TRUE);
          gtk_tree_path_free (path);
        }
+      else if (tree_view->priv->activate_on_single_click
+               && !button_event_modifies_selection (event))
+        {
+          GtkTreePath *path = NULL;
+
+          path = _gtk_tree_path_new_from_rbtree (tree_view->priv->button_pressed_tree,
+                                                 tree_view->priv->button_pressed_node);
+          gtk_tree_view_row_activated (tree_view, path, tree_view->priv->focus_column);
+          gtk_tree_path_free (path);
+        }
 
+      gtk_grab_remove (widget);
       tree_view->priv->button_pressed_tree = NULL;
       tree_view->priv->button_pressed_node = NULL;
     }
@@ -3214,10 +3466,10 @@ gtk_tree_view_grab_broken (GtkWidget          *widget,
 {
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
 
-  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG))
+  if (tree_view->priv->in_column_drag)
     gtk_tree_view_button_release_drag_column (widget, (GdkEventButton *)event);
 
-  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE))
+  if (tree_view->priv->in_column_resize)
     gtk_tree_view_button_release_column_resize (widget, (GdkEventButton *)event);
 
   return TRUE;
@@ -3257,9 +3509,8 @@ coords_are_over_arrow (GtkTreeView *tree_view,
   if ((node->flags & GTK_RBNODE_IS_PARENT) == 0)
     return FALSE;
 
-  arrow.y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node);
-
-  arrow.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
+  arrow.y = gtk_tree_view_get_row_y_offset (tree_view, tree, node);
+  arrow.height = gtk_tree_view_get_row_height (tree_view, node);
 
   gtk_tree_view_get_arrow_xrange (tree_view, tree, &arrow.x, &x2);
 
@@ -3279,9 +3530,8 @@ auto_expand_timeout (gpointer data)
 
   if (tree_view->priv->prelight_node)
     {
-      path = _gtk_tree_view_find_path (tree_view,
-                                      tree_view->priv->prelight_tree,
-                                      tree_view->priv->prelight_node);   
+      path = _gtk_tree_path_new_from_rbtree (tree_view->priv->prelight_tree,
+                                            tree_view->priv->prelight_node);
 
       if (tree_view->priv->prelight_node->children)
        gtk_tree_view_collapse_row (tree_view, path);
@@ -3320,23 +3570,18 @@ do_prelight (GtkTreeView *tree_view,
       /*  We are still on the same node,
          but we might need to take care of the arrow  */
 
-      if (tree && node && TREE_VIEW_DRAW_EXPANDERS (tree_view))
+      if (tree && node && gtk_tree_view_draw_expanders (tree_view))
        {
          gboolean over_arrow;
-         gboolean flag_set;
 
          over_arrow = coords_are_over_arrow (tree_view, tree, node, x, y);
-         flag_set = GTK_TREE_VIEW_FLAG_SET (tree_view,
-                                            GTK_TREE_VIEW_ARROW_PRELIT);
 
-         if (over_arrow != flag_set)
+         if (over_arrow != tree_view->priv->arrow_prelit)
            {
              if (over_arrow)
-               GTK_TREE_VIEW_SET_FLAG (tree_view,
-                                       GTK_TREE_VIEW_ARROW_PRELIT);
+                tree_view->priv->arrow_prelit = TRUE;
              else
-               GTK_TREE_VIEW_UNSET_FLAG (tree_view,
-                                         GTK_TREE_VIEW_ARROW_PRELIT);
+                tree_view->priv->arrow_prelit = FALSE;
 
              gtk_tree_view_queue_draw_arrow (tree_view, tree, node);
            }
@@ -3352,10 +3597,10 @@ do_prelight (GtkTreeView *tree_view,
       GTK_RBNODE_UNSET_FLAG (tree_view->priv->prelight_node,
                             GTK_RBNODE_IS_PRELIT);
 
-      if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT)
-         && TREE_VIEW_DRAW_EXPANDERS (tree_view))
+      if (tree_view->priv->arrow_prelit
+         && gtk_tree_view_draw_expanders (tree_view))
        {
-         GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_ARROW_PRELIT);
+          tree_view->priv->arrow_prelit = FALSE;
          
          gtk_tree_view_queue_draw_arrow (tree_view,
                                           tree_view->priv->prelight_tree,
@@ -3381,10 +3626,10 @@ do_prelight (GtkTreeView *tree_view,
 
   /*  Prelight the new node and arrow  */
 
-  if (TREE_VIEW_DRAW_EXPANDERS (tree_view)
+  if (gtk_tree_view_draw_expanders (tree_view)
       && coords_are_over_arrow (tree_view, tree, node, x, y))
     {
-      GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_ARROW_PRELIT);
+      tree_view->priv->arrow_prelit = TRUE;
 
       gtk_tree_view_queue_draw_arrow (tree_view, tree, node);
     }
@@ -3413,7 +3658,8 @@ prelight_or_select (GtkTreeView *tree_view,
   if (tree_view->priv->hover_selection &&
       (mode == GTK_SELECTION_SINGLE || mode == GTK_SELECTION_BROWSE) &&
       !(tree_view->priv->edited_column &&
-       tree_view->priv->edited_column->editable_widget))
+       gtk_cell_area_get_edit_widget 
+       (gtk_cell_layout_get_area (GTK_CELL_LAYOUT (tree_view->priv->edited_column)))))
     {
       if (node)
        {
@@ -3421,12 +3667,12 @@ prelight_or_select (GtkTreeView *tree_view,
            {
              GtkTreePath *path;
              
-             path = _gtk_tree_view_find_path (tree_view, tree, node);
+             path = _gtk_tree_path_new_from_rbtree (tree, node);
              gtk_tree_selection_select_path (tree_view->priv->selection, path);
              if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
                {
-                 GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
-                 gtk_tree_view_real_set_cursor (tree_view, path, FALSE, FALSE);
+                  tree_view->priv->draw_keyfocus = FALSE;
+                 gtk_tree_view_real_set_cursor (tree_view, path, 0);
                }
              gtk_tree_path_free (path);
            }
@@ -3528,16 +3774,19 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
     {
       GtkAllocation left_allocation, right_allocation;
       GdkRectangle visible_rect;
+      GtkWidget *button;
 
       gtk_tree_view_get_visible_rect (tree_view, &visible_rect);
       if (reorder->left_column)
         {
-          gtk_widget_get_allocation (reorder->left_column->button, &left_allocation);
+         button = gtk_tree_view_column_get_button (reorder->left_column);
+          gtk_widget_get_allocation (button, &left_allocation);
           x = left_allocation.x + left_allocation.width;
         }
       else
         {
-          gtk_widget_get_allocation (reorder->right_column->button, &right_allocation);
+         button = gtk_tree_view_column_get_button (reorder->right_column);
+          gtk_widget_get_allocation (button, &right_allocation);
           x = right_allocation.x;
         }
 
@@ -3555,26 +3804,27 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
       if (tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ORIGINAL)
        {
           GtkAllocation drag_allocation;
+         GtkWidget    *button;
 
          if (tree_view->priv->drag_highlight_window)
            {
-             gdk_window_set_user_data (tree_view->priv->drag_highlight_window,
-                                       NULL);
+             gtk_widget_unregister_window (GTK_WIDGET (tree_view), tree_view->priv->drag_highlight_window);
              gdk_window_destroy (tree_view->priv->drag_highlight_window);
            }
 
+         button = gtk_tree_view_column_get_button (tree_view->priv->drag_column);
          attributes.window_type = GDK_WINDOW_CHILD;
          attributes.wclass = GDK_INPUT_OUTPUT;
           attributes.x = tree_view->priv->drag_column_x;
           attributes.y = 0;
-          gtk_widget_get_allocation (tree_view->priv->drag_column->button, &drag_allocation);
+          gtk_widget_get_allocation (button, &drag_allocation);
          width = attributes.width = drag_allocation.width;
          height = attributes.height = drag_allocation.height;
          attributes.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view));
          attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK;
          attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
          tree_view->priv->drag_highlight_window = gdk_window_new (tree_view->priv->header_window, &attributes, attributes_mask);
-         gdk_window_set_user_data (tree_view->priv->drag_highlight_window, GTK_WIDGET (tree_view));
+         gtk_widget_register_window (GTK_WIDGET (tree_view), tree_view->priv->drag_highlight_window);
 
          mask_image = cairo_image_surface_create (CAIRO_FORMAT_A1, width, height);
           cr = cairo_create (mask_image);
@@ -3596,33 +3846,35 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
   else if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW)
     {
       GtkAllocation button_allocation;
+      GtkWidget    *button;
 
-      width = tree_view->priv->expander_size;
+      width = gtk_tree_view_get_expander_size (tree_view);
 
       /* Get x, y, width, height of arrow */
       gdk_window_get_origin (tree_view->priv->header_window, &x, &y);
       if (reorder->left_column)
        {
-          gtk_widget_get_allocation (reorder->left_column->button, &button_allocation);
+         button = gtk_tree_view_column_get_button (reorder->left_column);
+          gtk_widget_get_allocation (button, &button_allocation);
          x += button_allocation.x + button_allocation.width - width/2;
          height = button_allocation.height;
        }
       else
        {
-          gtk_widget_get_allocation (reorder->right_column->button, &button_allocation);
+         button = gtk_tree_view_column_get_button (reorder->right_column);
+          gtk_widget_get_allocation (button, &button_allocation);
          x += button_allocation.x - width/2;
          height = button_allocation.height;
        }
-      y -= tree_view->priv->expander_size/2; /* The arrow takes up only half the space */
-      height += tree_view->priv->expander_size;
+      y -= width/2; /* The arrow takes up only half the space */
+      height += width;
 
       /* Create the new window */
       if (tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ARROW)
        {
          if (tree_view->priv->drag_highlight_window)
            {
-             gdk_window_set_user_data (tree_view->priv->drag_highlight_window,
-                                       NULL);
+             gtk_widget_unregister_window (GTK_WIDGET (tree_view), tree_view->priv->drag_highlight_window);
              gdk_window_destroy (tree_view->priv->drag_highlight_window);
            }
 
@@ -3637,7 +3889,7 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
          attributes.height = height;
          tree_view->priv->drag_highlight_window = gdk_window_new (gtk_widget_get_root_window (widget),
                                                                   &attributes, attributes_mask);
-         gdk_window_set_user_data (tree_view->priv->drag_highlight_window, GTK_WIDGET (tree_view));
+         gtk_widget_register_window (GTK_WIDGET (tree_view), tree_view->priv->drag_highlight_window);
 
          mask_image = cairo_image_surface_create (CAIRO_FORMAT_A1, width, height);
 
@@ -3666,11 +3918,13 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
           arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT)
     {
       GtkAllocation allocation;
+      GtkWidget    *button;
+      gint          expander_size;
 
-      width = tree_view->priv->expander_size;
+      expander_size = gtk_tree_view_get_expander_size (tree_view);
 
       /* Get x, y, width, height of arrow */
-      width = width/2; /* remember, the arrow only takes half the available width */
+      width = expander_size/2; /* remember, the arrow only takes half the available width */
       gdk_window_get_origin (gtk_widget_get_window (widget),
                              &x, &y);
       if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT)
@@ -3681,17 +3935,19 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
 
       if (reorder->left_column)
         {
-          gtk_widget_get_allocation (reorder->left_column->button, &allocation);
+         button = gtk_tree_view_column_get_button (reorder->left_column);
+          gtk_widget_get_allocation (button, &allocation);
           height = allocation.height;
         }
       else
         {
-          gtk_widget_get_allocation (reorder->right_column->button, &allocation);
+         button = gtk_tree_view_column_get_button (reorder->right_column);
+          gtk_widget_get_allocation (button, &allocation);
           height = allocation.height;
         }
 
-      y -= tree_view->priv->expander_size;
-      height += 2*tree_view->priv->expander_size;
+      y -= expander_size;
+      height += 2 * expander_size;
 
       /* Create the new window */
       if (tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT &&
@@ -3699,8 +3955,7 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
        {
          if (tree_view->priv->drag_highlight_window)
            {
-             gdk_window_set_user_data (tree_view->priv->drag_highlight_window,
-                                       NULL);
+             gtk_widget_unregister_window (GTK_WIDGET (tree_view), tree_view->priv->drag_highlight_window);
              gdk_window_destroy (tree_view->priv->drag_highlight_window);
            }
 
@@ -3713,8 +3968,8 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
           attributes.y = y;
          attributes.width = width;
          attributes.height = height;
-         tree_view->priv->drag_highlight_window = gdk_window_new (NULL, &attributes, attributes_mask);
-         gdk_window_set_user_data (tree_view->priv->drag_highlight_window, GTK_WIDGET (tree_view));
+         tree_view->priv->drag_highlight_window = gdk_window_new (gtk_widget_get_root_window (widget), &attributes, attributes_mask);
+         gtk_widget_register_window (GTK_WIDGET (tree_view), tree_view->priv->drag_highlight_window);
 
          mask_image = cairo_image_surface_create (CAIRO_FORMAT_A1, width, height);
 
@@ -3727,10 +3982,10 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
             }
           cairo_move_to (cr, 0, 0);
           cairo_line_to (cr, width, width);
-          cairo_line_to (cr, 0, tree_view->priv->expander_size);
+          cairo_line_to (cr, 0, expander_size);
           cairo_move_to (cr, 0, height);
           cairo_line_to (cr, width, height - width);
-          cairo_line_to (cr, 0, height - tree_view->priv->expander_size);
+          cairo_line_to (cr, 0, height - expander_size);
           cairo_fill (cr);
           cairo_destroy (cr);
 
@@ -3767,38 +4022,33 @@ gtk_tree_view_motion_resize_column (GtkWidget      *widget,
 
   column = gtk_tree_view_get_column (tree_view, tree_view->priv->drag_pos);
 
-  if (event->is_hint || event->window != gtk_widget_get_window (widget))
-    gtk_widget_get_pointer (widget, &x, NULL);
-  else
-    x = event->x;
+  gdk_window_get_device_position (tree_view->priv->bin_window,
+                                 gdk_event_get_device ((GdkEvent *) event),
+                                 &x, NULL, NULL);
 
-  if (tree_view->priv->hadjustment)
-    x += tree_view->priv->hadjustment->value;
+  if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
+    new_width = MAX (tree_view->priv->x_drag - x, 0);
+  else
+    new_width = MAX (x - tree_view->priv->x_drag, 0);
 
-  new_width = gtk_tree_view_new_column_width (tree_view,
-                                             tree_view->priv->drag_pos, &x);
-  if (x != tree_view->priv->x_drag &&
-      (new_width != gtk_tree_view_column_get_fixed_width (column)))
-    {
-      column->use_resized_width = TRUE;
-      column->resized_width = new_width;
-      if (gtk_tree_view_column_get_expand (column))
-       column->resized_width -= tree_view->priv->last_extra_space_per_column;
-      gtk_widget_queue_resize (widget);
-    }
+  if (new_width != gtk_tree_view_column_get_width (column))
+    gtk_tree_view_modify_column_width (tree_view, column, new_width);
 
   return FALSE;
 }
 
 
 static void
-gtk_tree_view_update_current_reorder (GtkTreeView *tree_view)
+gtk_tree_view_update_current_reorder (GtkTreeView *tree_view,
+                                      GdkEvent    *event)
 {
   GtkTreeViewColumnReorder *reorder = NULL;
   GList *list;
   gint mouse_x;
 
-  gdk_window_get_pointer (tree_view->priv->header_window, &mouse_x, NULL, NULL);
+  gdk_window_get_device_position (tree_view->priv->header_window,
+                                  gdk_event_get_device (event),
+                                  &mouse_x, NULL, NULL);
   for (list = tree_view->priv->column_drag_info; list; list = list->next)
     {
       reorder = (GtkTreeViewColumnReorder *) list->data;
@@ -3821,7 +4071,11 @@ gtk_tree_view_vertical_autoscroll (GtkTreeView *tree_view)
   gint y;
   gint offset;
 
-  gdk_window_get_pointer (tree_view->priv->bin_window, NULL, &y, NULL);
+  gdk_window_get_device_position (tree_view->priv->bin_window,
+                                  gdk_device_manager_get_client_pointer (
+                                    gdk_display_get_device_manager (
+                                      gtk_widget_get_display (GTK_WIDGET (tree_view)))),
+                                  NULL, &y, NULL);
   y += tree_view->priv->dy;
 
   gtk_tree_view_get_visible_rect (tree_view, &visible_rect);
@@ -3836,17 +4090,20 @@ gtk_tree_view_vertical_autoscroll (GtkTreeView *tree_view)
     }
 
   gtk_adjustment_set_value (tree_view->priv->vadjustment,
-                            MAX (tree_view->priv->vadjustment->value + offset, 0.0));
+                            MAX (gtk_adjustment_get_value (tree_view->priv->vadjustment) + offset, 0.0));
 }
 
 static gboolean
-gtk_tree_view_horizontal_autoscroll (GtkTreeView *tree_view)
+gtk_tree_view_horizontal_autoscroll (GtkTreeView *tree_view,
+                                     GdkEvent    *event)
 {
   GdkRectangle visible_rect;
   gint x;
   gint offset;
 
-  gdk_window_get_pointer (tree_view->priv->bin_window, &x, NULL, NULL);
+  gdk_window_get_device_position (tree_view->priv->bin_window,
+                                  gdk_event_get_device (event),
+                                  &x, NULL, NULL);
 
   gtk_tree_view_get_visible_rect (tree_view, &visible_rect);
 
@@ -3861,7 +4118,7 @@ gtk_tree_view_horizontal_autoscroll (GtkTreeView *tree_view)
   offset = offset/3;
 
   gtk_adjustment_set_value (tree_view->priv->hadjustment,
-                            MAX (tree_view->priv->hadjustment->value + offset, 0.0));
+                            MAX (gtk_adjustment_get_value (tree_view->priv->hadjustment) + offset, 0.0));
 
   return TRUE;
 
@@ -3874,6 +4131,7 @@ gtk_tree_view_motion_drag_column (GtkWidget      *widget,
   GtkAllocation allocation, button_allocation;
   GtkTreeView *tree_view = (GtkTreeView *) widget;
   GtkTreeViewColumn *column = tree_view->priv->drag_column;
+  GtkWidget *button;
   gint x, y;
 
   /* Sanity Check */
@@ -3881,18 +4139,20 @@ gtk_tree_view_motion_drag_column (GtkWidget      *widget,
       (event->window != tree_view->priv->drag_window))
     return FALSE;
 
+  button = gtk_tree_view_column_get_button (column);
+
   /* Handle moving the header */
   gdk_window_get_position (tree_view->priv->drag_window, &x, &y);
   gtk_widget_get_allocation (widget, &allocation);
-  gtk_widget_get_allocation (column->button, &button_allocation);
-  x = CLAMP (x + (gint)event->x - column->drag_x, 0,
+  gtk_widget_get_allocation (button, &button_allocation);
+  x = CLAMP (x + (gint)event->x - _gtk_tree_view_column_get_drag_x (column), 0,
             MAX (tree_view->priv->width, allocation.width) - button_allocation.width);
   gdk_window_move (tree_view->priv->drag_window, x, y);
   
   /* autoscroll, if needed */
-  gtk_tree_view_horizontal_autoscroll (tree_view);
+  gtk_tree_view_horizontal_autoscroll (tree_view, (GdkEvent *) event);
   /* Update the current reorder position and arrow; */
-  gtk_tree_view_update_current_reorder (tree_view);
+  gtk_tree_view_update_current_reorder (tree_view, (GdkEvent *) event);
 
   return TRUE;
 }
@@ -3910,9 +4170,8 @@ gtk_tree_view_stop_rubber_band (GtkTreeView *tree_view)
       gtk_widget_queue_draw (GTK_WIDGET (tree_view));
 
       /* The anchor path should be set to the start path */
-      tmp_path = _gtk_tree_view_find_path (tree_view,
-                                          tree_view->priv->rubber_band_start_tree,
-                                          tree_view->priv->rubber_band_start_node);
+      tmp_path = _gtk_tree_path_new_from_rbtree (tree_view->priv->rubber_band_start_tree,
+                                                tree_view->priv->rubber_band_start_node);
 
       if (tree_view->priv->anchor)
        gtk_tree_row_reference_free (tree_view->priv->anchor);
@@ -3925,10 +4184,9 @@ gtk_tree_view_stop_rubber_band (GtkTreeView *tree_view)
       gtk_tree_path_free (tmp_path);
 
       /* ... and the cursor to the end path */
-      tmp_path = _gtk_tree_view_find_path (tree_view,
-                                          tree_view->priv->rubber_band_end_tree,
-                                          tree_view->priv->rubber_band_end_node);
-      gtk_tree_view_real_set_cursor (GTK_TREE_VIEW (tree_view), tmp_path, FALSE, FALSE);
+      tmp_path = _gtk_tree_path_new_from_rbtree (tree_view->priv->rubber_band_end_tree,
+                                                 tree_view->priv->rubber_band_end_node);
+      gtk_tree_view_real_set_cursor (GTK_TREE_VIEW (tree_view), tmp_path, 0);
       gtk_tree_path_free (tmp_path);
 
       _gtk_tree_selection_emit_changed (tree_view->priv->selection);
@@ -3936,8 +4194,8 @@ gtk_tree_view_stop_rubber_band (GtkTreeView *tree_view)
 
   /* Clear status variables */
   tree_view->priv->rubber_band_status = RUBBER_BAND_OFF;
-  tree_view->priv->rubber_band_shift = 0;
-  tree_view->priv->rubber_band_ctrl = 0;
+  tree_view->priv->rubber_band_extend = FALSE;
+  tree_view->priv->rubber_band_modify = FALSE;
 
   tree_view->priv->rubber_band_start_node = NULL;
   tree_view->priv->rubber_band_start_tree = NULL;
@@ -3972,7 +4230,7 @@ gtk_tree_view_update_rubber_band_selection_range (GtkTreeView *tree_view,
          GtkTreePath *path;
          gboolean selectable;
 
-         path = _gtk_tree_view_find_path (tree_view, start_tree, start_node);
+         path = _gtk_tree_path_new_from_rbtree (start_tree, start_node);
          selectable = _gtk_tree_selection_row_is_selectable (tree_view->priv->selection, start_node, path);
          gtk_tree_path_free (path);
 
@@ -3982,9 +4240,9 @@ gtk_tree_view_update_rubber_band_selection_range (GtkTreeView *tree_view,
 
       if (select)
         {
-         if (tree_view->priv->rubber_band_shift)
-           GTK_RBNODE_SET_FLAG (start_node, GTK_RBNODE_IS_SELECTED);
-         else if (tree_view->priv->rubber_band_ctrl)
+         if (tree_view->priv->rubber_band_extend)
+            GTK_RBNODE_SET_FLAG (start_node, GTK_RBNODE_IS_SELECTED);
+         else if (tree_view->priv->rubber_band_modify)
            {
              /* Toggle the selection state */
              if (GTK_RBNODE_FLAG_SET (start_node, GTK_RBNODE_IS_SELECTED))
@@ -3998,9 +4256,9 @@ gtk_tree_view_update_rubber_band_selection_range (GtkTreeView *tree_view,
       else
         {
          /* Mirror the above */
-         if (tree_view->priv->rubber_band_shift)
+         if (tree_view->priv->rubber_band_extend)
            GTK_RBNODE_UNSET_FLAG (start_node, GTK_RBNODE_IS_SELECTED);
-         else if (tree_view->priv->rubber_band_ctrl)
+         else if (tree_view->priv->rubber_band_modify)
            {
              /* Toggle the selection state */
              if (GTK_RBNODE_FLAG_SET (start_node, GTK_RBNODE_IS_SELECTED))
@@ -4023,9 +4281,7 @@ skip_first:
       if (start_node->children)
         {
          start_tree = start_node->children;
-         start_node = start_tree->root;
-         while (start_node->left != start_tree->nil)
-           start_node = start_node->left;
+          start_node = _gtk_rbtree_first (start_tree);
        }
       else
         {
@@ -4161,7 +4417,11 @@ gtk_tree_view_update_rubber_band (GtkTreeView *tree_view)
   old_area.width = ABS (tree_view->priv->rubber_band_x - tree_view->priv->press_start_x) + 1;
   old_area.height = ABS (tree_view->priv->rubber_band_y - tree_view->priv->press_start_y) + 1;
 
-  gdk_window_get_pointer (tree_view->priv->bin_window, &x, &y, NULL);
+  gdk_window_get_device_position (tree_view->priv->bin_window,
+                                  gdk_device_manager_get_client_pointer (
+                                    gdk_display_get_device_manager (
+                                      gtk_widget_get_display (GTK_WIDGET (tree_view)))),
+                                  &x, &y, NULL);
 
   x = MAX (x, 0);
   y = MAX (y, 0) + tree_view->priv->dy;
@@ -4206,30 +4466,31 @@ gtk_tree_view_paint_rubber_band (GtkTreeView  *tree_view,
                                  cairo_t      *cr)
 {
   GdkRectangle rect;
-  GtkStyle *style;
+  GtkStyleContext *context;
 
   cairo_save (cr);
 
+  context = gtk_widget_get_style_context (GTK_WIDGET (tree_view));
+
+  gtk_style_context_save (context);
+  gtk_style_context_add_class (context, GTK_STYLE_CLASS_RUBBERBAND);
+
   rect.x = MIN (tree_view->priv->press_start_x, tree_view->priv->rubber_band_x);
   rect.y = MIN (tree_view->priv->press_start_y, tree_view->priv->rubber_band_y) - tree_view->priv->dy;
   rect.width = ABS (tree_view->priv->press_start_x - tree_view->priv->rubber_band_x) + 1;
   rect.height = ABS (tree_view->priv->press_start_y - tree_view->priv->rubber_band_y) + 1;
 
-  cairo_set_line_width (cr, 1.0);
-
-  style = gtk_widget_get_style (GTK_WIDGET (tree_view));
-
-  gdk_cairo_set_source_color (cr, &style->fg[GTK_STATE_NORMAL]);
-
   gdk_cairo_rectangle (cr, &rect);
   cairo_clip (cr);
-  cairo_paint_with_alpha (cr, 0.25);
 
-  cairo_rectangle (cr,
-                  rect.x + 0.5, rect.y + 0.5,
-                  rect.width - 1, rect.height - 1);
-  cairo_stroke (cr);
+  gtk_render_background (context, cr,
+                         rect.x, rect.y,
+                         rect.width, rect.height);
+  gtk_render_frame (context, cr,
+                    rect.x, rect.y,
+                    rect.width, rect.height);
 
+  gtk_style_context_restore (context);
   cairo_restore (cr);
 }
 
@@ -4294,11 +4555,11 @@ gtk_tree_view_motion (GtkWidget      *widget,
   tree_view = (GtkTreeView *) widget;
 
   /* Resizing a column */
-  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE))
+  if (tree_view->priv->in_column_resize)
     return gtk_tree_view_motion_resize_column (widget, event);
 
   /* Drag column */
-  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG))
+  if (tree_view->priv->in_column_drag)
     return gtk_tree_view_motion_drag_column (widget, event);
 
   /* Sanity check it */
@@ -4335,19 +4596,20 @@ draw_empty_focus (GtkTreeView *tree_view, cairo_t *cr)
   GtkWidget *widget = GTK_WIDGET (tree_view);
   gint w, h;
 
-  if (!gtk_widget_has_focus (widget))
+  if (!gtk_widget_has_visible_focus (widget))
     return;
 
   w = gdk_window_get_width (tree_view->priv->bin_window) - 2;
   h = gdk_window_get_height (tree_view->priv->bin_window) - 2;
 
   if (w > 0 && h > 0)
-    gtk_paint_focus (gtk_widget_get_style (widget),
-                     cr,
-                    gtk_widget_get_state (widget),
-                    widget,
-                    NULL,
-                    1, 1, w, h);
+    {
+      GtkStyleContext *context;
+
+      context = gtk_widget_get_style_context (widget);
+
+      gtk_render_focus (context, cr, 1, 1, w, h);
+    }
 }
 
 typedef enum {
@@ -4389,9 +4651,19 @@ gtk_tree_view_draw_line (GtkTreeView         *tree_view,
       g_assert_not_reached ();
       /* fall through */
     case GTK_TREE_VIEW_FOREGROUND_LINE:
-      cairo_set_line_width (cr, 1.0);
-      gdk_cairo_set_source_color (cr,
-                                  &gtk_widget_get_style (GTK_WIDGET (tree_view))->fg[gtk_widget_get_state (GTK_WIDGET (tree_view))]);
+      {
+        GtkStyleContext *context;
+        GtkStateFlags state;
+        GdkRGBA color;
+
+        context = gtk_widget_get_style_context (GTK_WIDGET (tree_view));
+        state = gtk_widget_get_state_flags (GTK_WIDGET (tree_view));
+
+        cairo_set_line_width (cr, 1.0);
+        gtk_style_context_get_color (context, state, &color);
+        gdk_cairo_set_source_rgba (cr, &color);
+      }
+
       break;
     }
 
@@ -4448,12 +4720,9 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
 {
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
   GtkTreePath *path;
-  GtkStyle *style;
   GtkRBTree *tree;
   GList *list;
   GtkRBNode *node;
-  GtkRBNode *cursor = NULL;
-  GtkRBTree *cursor_tree = NULL;
   GtkRBNode *drag_highlight = NULL;
   GtkRBTree *drag_highlight_tree = NULL;
   GtkTreeIter iter;
@@ -4469,28 +4738,27 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
   gint expander_cell_width;
   gint bin_window_width;
   gint bin_window_height;
-  GtkTreePath *cursor_path;
   GtkTreePath *drag_dest_path;
   GList *first_column, *last_column;
   gint vertical_separator;
   gint horizontal_separator;
-  gint focus_line_width;
   gboolean allow_rules;
-  gboolean has_special_cell;
+  gboolean has_can_focus_cell;
   gboolean rtl;
   gint n_visible_columns;
-  gint pointer_x, pointer_y;
   gint grid_line_width;
-  gboolean got_pointer = FALSE;
+  gint expander_size;
   gboolean draw_vgrid_lines, draw_hgrid_lines;
+  GtkStyleContext *context;
+  gboolean parity;
 
   rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
+  context = gtk_widget_get_style_context (widget);
 
   gtk_widget_style_get (widget,
                        "horizontal-separator", &horizontal_separator,
                        "vertical-separator", &vertical_separator,
                        "allow-rules", &allow_rules,
-                       "focus-line-width", &focus_line_width,
                        NULL);
 
   if (tree_view->priv->tree == NULL)
@@ -4499,8 +4767,6 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
       return TRUE;
     }
 
-  style = gtk_widget_get_style (widget);
-
   bin_window_width = gdk_window_get_width (tree_view->priv->bin_window);
   bin_window_height = gdk_window_get_height (tree_view->priv->bin_window);
   cairo_rectangle (cr, 0, 0, bin_window_width, bin_window_height);
@@ -4516,40 +4782,30 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
 
   if (tree_view->priv->height < bin_window_height)
     {
-      gtk_paint_flat_box (style,
-                          cr,
-                          gtk_widget_get_state (widget),
-                          GTK_SHADOW_NONE,
-                          widget,
-                          "cell_even",
-                          0, tree_view->priv->height,
-                          bin_window_width,
-                          bin_window_height - tree_view->priv->height);
+      gtk_style_context_save (context);
+      gtk_style_context_add_class (context, GTK_STYLE_CLASS_CELL);
+
+      gtk_render_background (context, cr,
+                             0, tree_view->priv->height,
+                             bin_window_width,
+                             bin_window_height - tree_view->priv->height);
+
+      gtk_style_context_restore (context);
     }
 
   if (node == NULL)
     return TRUE;
 
   /* find the path for the node */
-  path = _gtk_tree_view_find_path ((GtkTreeView *)widget,
-                                  tree,
-                                  node);
+  path = _gtk_tree_path_new_from_rbtree (tree, node);
   gtk_tree_model_get_iter (tree_view->priv->model,
                           &iter,
                           path);
   depth = gtk_tree_path_get_depth (path);
   gtk_tree_path_free (path);
   
-  cursor_path = NULL;
   drag_dest_path = NULL;
 
-  if (tree_view->priv->cursor)
-    cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-
-  if (cursor_path)
-    _gtk_tree_view_find_node (tree_view, cursor_path,
-                              &cursor_tree, &cursor);
-
   if (tree_view->priv->drag_dest_row)
     drag_dest_path = gtk_tree_row_reference_get_path (tree_view->priv->drag_dest_row);
 
@@ -4563,6 +4819,7 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
   draw_hgrid_lines =
     tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_HORIZONTAL
     || tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH;
+  expander_size = gtk_tree_view_get_expander_size (tree_view);
 
   if (draw_vgrid_lines || draw_hgrid_lines)
     gtk_widget_style_get (widget, "grid-line-width", &grid_line_width, NULL);
@@ -4593,17 +4850,20 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
    * start at the first node of the event, and walk the tree in
    * order, drawing each successive node.
    */
+  
+  parity = !(_gtk_rbtree_node_get_index (tree, node) % 2);
 
   do
     {
-      gboolean parity;
       gboolean is_separator = FALSE;
       gboolean is_first = FALSE;
       gboolean is_last = FALSE;
-      
+      gint n_col = 0;
+
+      parity = !parity;
       is_separator = row_is_separator (tree_view, &iter, NULL);
 
-      max_height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
+      max_height = gtk_tree_view_get_row_height (tree_view, node);
 
       cell_offset = 0;
       highlight_x = 0; /* should match x coord of first cell */
@@ -4620,10 +4880,8 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
       if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
         flags |= GTK_CELL_RENDERER_SELECTED;
 
-      parity = _gtk_rbtree_node_find_parity (tree, node);
-
       /* we *need* to set cell data on all cells before the call
-       * to _has_special_cell, else _has_special_cell() does not
+       * to _has_can_focus_cell, else _has_can_focus_cell() does not
        * return a correct value.
        */
       for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
@@ -4638,21 +4896,22 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
                                                   node->children?TRUE:FALSE);
         }
 
-      has_special_cell = gtk_tree_view_has_special_cell (tree_view);
+      has_can_focus_cell = gtk_tree_view_has_can_focus_cell (tree_view);
 
       for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
           list;
           list = (rtl ? list->prev : list->next))
        {
          GtkTreeViewColumn *column = list->data;
-         const gchar *detail = NULL;
-         gchar new_detail[128];
+          GtkRegionFlags row_flags = 0, column_flags = 0;
+         GtkStateFlags state = 0;
           gint width;
-         GtkStateType state;
+          gboolean draw_focus;
 
          if (!gtk_tree_view_column_get_visible (column))
             continue;
 
+          n_col++;
           width = gtk_tree_view_column_get_width (column);
 
          if (cell_offset > clip.x + clip.width ||
@@ -4667,11 +4926,21 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
           else
             flags &= ~GTK_CELL_RENDERER_SORTED;
 
-         if (cursor == node)
+         if (tree_view->priv->cursor_node == node)
             flags |= GTK_CELL_RENDERER_FOCUSED;
           else
             flags &= ~GTK_CELL_RENDERER_FOCUSED;
 
+          if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT))
+            flags |= GTK_CELL_RENDERER_EXPANDABLE;
+          else
+            flags &= ~GTK_CELL_RENDERER_EXPANDABLE;
+
+          if (node->children)
+            flags |= GTK_CELL_RENDERER_EXPANDED;
+          else
+            flags &= ~GTK_CELL_RENDERER_EXPANDED;
+
          background_area.x = cell_offset;
          background_area.width = width;
 
@@ -4723,76 +4992,61 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
            */
           if (allow_rules && tree_view->priv->has_rules)
             {
-              if ((flags & GTK_CELL_RENDERER_SORTED) &&
-                 n_visible_columns >= 3)
-                {
-                  if (parity)
-                    detail = "cell_odd_ruled_sorted";
-                  else
-                    detail = "cell_even_ruled_sorted";
-                }
-              else
-                {
-                  if (parity)
-                    detail = "cell_odd_ruled";
-                  else
-                    detail = "cell_even_ruled";
-                }
-            }
-          else
-            {
-              if ((flags & GTK_CELL_RENDERER_SORTED) &&
-                 n_visible_columns >= 3)
-                {
-                  if (parity)
-                    detail = "cell_odd_sorted";
-                  else
-                    detail = "cell_even_sorted";
-                }
+              if (parity)
+                row_flags |= GTK_REGION_ODD;
               else
-                {
-                  if (parity)
-                    detail = "cell_odd";
-                  else
-                    detail = "cell_even";
-                }
+                row_flags |= GTK_REGION_EVEN;
             }
 
-          g_assert (detail);
-
-         if (gtk_widget_get_state (widget) == GTK_STATE_INSENSITIVE)
-           state = GTK_STATE_INSENSITIVE;          
-         else if (flags & GTK_CELL_RENDERER_SELECTED)
-           state = GTK_STATE_SELECTED;
-         else
-           state = GTK_STATE_NORMAL;
+          if ((flags & GTK_CELL_RENDERER_SORTED) &&
+              n_visible_columns >= 3)
+            column_flags |= GTK_REGION_SORTED;
 
-         /* Draw background */
          is_first = (rtl ? !list->next : !list->prev);
          is_last = (rtl ? !list->prev : !list->next);
 
-         /* (I don't like the snprintfs either, but couldn't find a
-          * less messy way).
-          */
-         if (is_first && is_last)
-           g_snprintf (new_detail, 127, "%s", detail);
-         else if (is_first)
-           g_snprintf (new_detail, 127, "%s_start", detail);
-         else if (is_last)
-           g_snprintf (new_detail, 127, "%s_end", detail);
-         else
-           g_snprintf (new_detail, 127, "%s_middle", detail);
-
-         gtk_paint_flat_box (style,
-                             cr,
-                             state,
-                             GTK_SHADOW_NONE,
-                             widget,
-                             new_detail,
-                             background_area.x,
-                             background_area.y,
-                             background_area.width,
-                             background_area.height);
+          if (is_first)
+            column_flags |= GTK_REGION_FIRST;
+
+          if (is_last)
+            column_flags |= GTK_REGION_LAST;
+
+          if ((n_col % 2) == 0)
+            column_flags |= GTK_REGION_EVEN;
+          else
+            column_flags |= GTK_REGION_ODD;
+
+          gtk_style_context_save (context);
+
+          state = gtk_cell_renderer_get_state (NULL, widget, flags);
+          gtk_style_context_set_state (context, state);
+
+          gtk_style_context_add_class (context, GTK_STYLE_CLASS_CELL);
+          gtk_style_context_add_region (context, GTK_STYLE_REGION_ROW, row_flags);
+          gtk_style_context_add_region (context, GTK_STYLE_REGION_COLUMN, column_flags);
+
+         if (node == tree_view->priv->cursor_node && has_can_focus_cell
+              && ((column == tree_view->priv->focus_column
+                   && tree_view->priv->draw_keyfocus &&
+                   gtk_widget_has_visible_focus (widget))
+                  || (column == tree_view->priv->edited_column)))
+            draw_focus = TRUE;
+          else
+            draw_focus = FALSE;
+
+         /* Draw background */
+          gtk_render_background (context, cr,
+                                 background_area.x,
+                                 background_area.y,
+                                 background_area.width,
+                                 background_area.height);
+
+          /* Draw frame */
+          gtk_render_frame (context, cr,
+                            background_area.x,
+                            background_area.y,
+                            background_area.width,
+                            background_area.height);
 
          if (gtk_tree_view_is_expander_column (tree_view, column))
            {
@@ -4800,11 +5054,12 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
                cell_area.x += (depth - 1) * tree_view->priv->level_indentation;
              cell_area.width -= (depth - 1) * tree_view->priv->level_indentation;
 
-              if (TREE_VIEW_DRAW_EXPANDERS(tree_view))
+              if (gtk_tree_view_draw_expanders (tree_view))
                {
+                  int expander_size = gtk_tree_view_get_expander_size (tree_view);
                  if (!rtl)
-                   cell_area.x += depth * tree_view->priv->expander_size;
-                 cell_area.width -= depth * tree_view->priv->expander_size;
+                   cell_area.x += depth * expander_size;
+                 cell_area.width -= depth * expander_size;
                }
 
               /* If we have an expander column, the highlight underline
@@ -4815,54 +5070,59 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
              expander_cell_width = cell_area.width;
 
              if (is_separator)
-               gtk_paint_hline (style,
-                                cr,
-                                state,
-                                widget,
-                                NULL,
-                                cell_area.x,
-                                cell_area.x + cell_area.width,
-                                cell_area.y + cell_area.height / 2);
+                {
+                  gtk_style_context_save (context);
+                  gtk_style_context_add_class (context, GTK_STYLE_CLASS_SEPARATOR);
+
+                  gtk_render_line (context, cr,
+                                   cell_area.x,
+                                   cell_area.y + cell_area.height / 2,
+                                   cell_area.x + cell_area.width,
+                                   cell_area.y + cell_area.height / 2);
+
+                  gtk_style_context_restore (context);
+                }
              else
-               _gtk_tree_view_column_cell_render (column,
-                                                  cr,
-                                                  &background_area,
-                                                  &cell_area,
-                                                  flags);
-             if (TREE_VIEW_DRAW_EXPANDERS(tree_view)
+                {
+                  _gtk_tree_view_column_cell_render (column,
+                                                     cr,
+                                                     &background_area,
+                                                     &cell_area,
+                                                     flags,
+                                                     draw_focus);
+                }
+
+             if (gtk_tree_view_draw_expanders (tree_view)
                  && (node->flags & GTK_RBNODE_IS_PARENT) == GTK_RBNODE_IS_PARENT)
                {
-                 if (!got_pointer)
-                   {
-                     gdk_window_get_pointer (tree_view->priv->bin_window, 
-                                             &pointer_x, &pointer_y, NULL);
-                     got_pointer = TRUE;
-                   }
-
                  gtk_tree_view_draw_arrow (GTK_TREE_VIEW (widget),
                                             cr,
                                            tree,
-                                           node,
-                                           pointer_x, pointer_y);
+                                           node);
                }
            }
          else
            {
              if (is_separator)
-               gtk_paint_hline (style,
-                                cr,
-                                state,
-                                widget,
-                                NULL,
-                                cell_area.x,
-                                cell_area.x + cell_area.width,
-                                cell_area.y + cell_area.height / 2);
+                {
+                  gtk_style_context_save (context);
+                  gtk_style_context_add_class (context, GTK_STYLE_CLASS_SEPARATOR);
+
+                  gtk_render_line (context, cr,
+                                   cell_area.x,
+                                   cell_area.y + cell_area.height / 2,
+                                   cell_area.x + cell_area.width,
+                                   cell_area.y + cell_area.height / 2);
+
+                  gtk_style_context_restore (context);
+                }
              else
                _gtk_tree_view_column_cell_render (column,
                                                   cr,
                                                   &background_area,
                                                   &cell_area,
-                                                  flags);
+                                                  flags,
+                                                   draw_focus);
            }
 
          if (draw_hgrid_lines)
@@ -4899,18 +5159,18 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
                {
                   gtk_tree_view_draw_line (tree_view, cr,
                                            GTK_TREE_VIEW_TREE_LINE,
-                                           x + tree_view->priv->expander_size * (depth - 1.5) * mult,
+                                           x + expander_size * (depth - 1.5) * mult,
                                            y1,
-                                           x + tree_view->priv->expander_size * (depth - 1.1) * mult,
+                                           x + expander_size * (depth - 1.1) * mult,
                                            y1);
                }
              else if (depth > 1)
                {
                   gtk_tree_view_draw_line (tree_view, cr,
                                            GTK_TREE_VIEW_TREE_LINE,
-                                           x + tree_view->priv->expander_size * (depth - 1.5) * mult,
+                                           x + expander_size * (depth - 1.5) * mult,
                                            y1,
-                                           x + tree_view->priv->expander_size * (depth - 0.5) * mult,
+                                           x + expander_size * (depth - 0.5) * mult,
                                            y1);
                }
 
@@ -4923,16 +5183,16 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
                  if (!_gtk_rbtree_next (tree, node))
                     gtk_tree_view_draw_line (tree_view, cr,
                                              GTK_TREE_VIEW_TREE_LINE,
-                                             x + tree_view->priv->expander_size * (depth - 1.5) * mult,
+                                             x + expander_size * (depth - 1.5) * mult,
                                              y0,
-                                             x + tree_view->priv->expander_size * (depth - 1.5) * mult,
+                                             x + expander_size * (depth - 1.5) * mult,
                                              y1);
                  else
                     gtk_tree_view_draw_line (tree_view, cr,
                                              GTK_TREE_VIEW_TREE_LINE,
-                                             x + tree_view->priv->expander_size * (depth - 1.5) * mult,
+                                             x + expander_size * (depth - 1.5) * mult,
                                              y0,
-                                             x + tree_view->priv->expander_size * (depth - 1.5) * mult,
+                                             x + expander_size * (depth - 1.5) * mult,
                                              y2);
 
                  tmp_node = tree->parent_node;
@@ -4943,9 +5203,9 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
                      if (_gtk_rbtree_next (tmp_tree, tmp_node))
                         gtk_tree_view_draw_line (tree_view, cr,
                                                  GTK_TREE_VIEW_TREE_LINE,
-                                                 x + tree_view->priv->expander_size * (i - 0.5) * mult,
+                                                 x + expander_size * (i - 0.5) * mult,
                                                  y0,
-                                                 x + tree_view->priv->expander_size * (i - 0.5) * mult,
+                                                 x + expander_size * (i - 0.5) * mult,
                                                  y2);
 
                      tmp_node = tmp_tree->parent_node;
@@ -4954,19 +5214,7 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
                }
            }
 
-         if (node == cursor && has_special_cell &&
-             ((column == tree_view->priv->focus_column &&
-               GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS) &&
-               gtk_widget_has_focus (widget)) ||
-              (column == tree_view->priv->edited_column)))
-           {
-             _gtk_tree_view_column_cell_draw_focus (column,
-                                                    cr,
-                                                    &background_area,
-                                                    &cell_area,
-                                                    flags);
-           }
-
+          gtk_style_context_restore (context);
          cell_offset += gtk_tree_view_column_get_width (column);
        }
 
@@ -4978,6 +5226,9 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
          GtkRBTree *tree = NULL;
          GtkRBNode *node = NULL;
 
+          gtk_style_context_save (context);
+          gtk_style_context_add_class (context, GTK_STYLE_CLASS_DND);
+
           switch (tree_view->priv->drag_dest_pos)
             {
             case GTK_TREE_VIEW_DROP_BEFORE:
@@ -4997,18 +5248,10 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
              if (tree == NULL)
                break;
 
-             gtk_paint_focus (style,
-                              cr,
-                              gtk_widget_get_state (widget),
-                              widget,
-                              (is_first
-                               ? (is_last ? "treeview-drop-indicator" : "treeview-drop-indicator-left" )
-                               : (is_last ? "treeview-drop-indicator-right" : "tree-view-drop-indicator-middle" )),
-                               0, BACKGROUND_FIRST_PIXEL (tree_view, tree, node)
-                                  - focus_line_width / 2,
-                               gdk_window_get_width (tree_view->priv->bin_window),
-                                ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node))
-                                  - focus_line_width + 1);
+              gtk_render_frame (context, cr,
+                                0, gtk_tree_view_get_row_y_offset (tree_view, tree, node),
+                                gdk_window_get_width (tree_view->priv->bin_window),
+                                gtk_tree_view_get_row_height (tree_view, node));
               break;
             }
 
@@ -5021,43 +5264,40 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
                                        rtl ? 0 : bin_window_width,
                                        highlight_y);
             }
+
+          gtk_style_context_restore (context);
         }
 
       /* draw the big row-spanning focus rectangle, if needed */
-      if (!has_special_cell && node == cursor &&
-         GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS) &&
-         gtk_widget_has_focus (widget))
+      if (!has_can_focus_cell && node == tree_view->priv->cursor_node &&
+          tree_view->priv->draw_keyfocus &&
+         gtk_widget_has_visible_focus (widget))
         {
          gint tmp_y, tmp_height;
-         GtkStateType focus_rect_state;
+         GtkStateFlags focus_rect_state = 0;
+
+          gtk_style_context_save (context);
 
-         focus_rect_state =
-           flags & GTK_CELL_RENDERER_SELECTED ? GTK_STATE_SELECTED :
-           (flags & GTK_CELL_RENDERER_PRELIT ? GTK_STATE_PRELIGHT :
-            (flags & GTK_CELL_RENDERER_INSENSITIVE ? GTK_STATE_INSENSITIVE :
-             GTK_STATE_NORMAL));
+          focus_rect_state = gtk_cell_renderer_get_state (NULL, widget, flags);
+          gtk_style_context_set_state (context, focus_rect_state);
 
          if (draw_hgrid_lines)
            {
-             tmp_y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node) + grid_line_width / 2;
-             tmp_height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node)) - grid_line_width;
+             tmp_y = gtk_tree_view_get_row_y_offset (tree_view, tree, node) + grid_line_width / 2;
+              tmp_height = gtk_tree_view_get_row_height (tree_view, node) - grid_line_width;
            }
          else
            {
-             tmp_y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node);
-             tmp_height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
+             tmp_y = gtk_tree_view_get_row_y_offset (tree_view, tree, node);
+              tmp_height = gtk_tree_view_get_row_height (tree_view, node);
            }
 
-         gtk_paint_focus (style,
-                          cr,
-                          focus_rect_state,
-                          widget,
-                          (is_first
-                           ? (is_last ? "treeview" : "treeview-left" )
-                           : (is_last ? "treeview-right" : "treeview-middle" )),
-                          0, tmp_y,
-                          gdk_window_get_width (tree_view->priv->bin_window),
-                           tmp_height);
+          gtk_render_focus (context, cr,
+                            0, tmp_y,
+                            gdk_window_get_width (tree_view->priv->bin_window),
+                            tmp_height);
+
+          gtk_style_context_restore (context);
         }
 
       y_offset += max_height;
@@ -5067,12 +5307,8 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
          gboolean has_child;
 
          tree = node->children;
-         node = tree->root;
-
-          g_assert (node != tree->nil);
+          node = _gtk_rbtree_first (tree);
 
-         while (node->left != tree->nil)
-           node = node->left;
          has_child = gtk_tree_model_iter_children (tree_view->priv->model,
                                                    &iter,
                                                    &parent);
@@ -5126,9 +5362,6 @@ done:
   if (tree_view->priv->rubber_band_status == RUBBER_BAND_ACTIVE)
     gtk_tree_view_paint_rubber_band (tree_view, cr);
 
-  if (cursor_path)
-    gtk_tree_path_free (cursor_path);
-
   if (drag_dest_path)
     gtk_tree_path_free (drag_dest_path);
 
@@ -5140,6 +5373,14 @@ gtk_tree_view_draw (GtkWidget *widget,
                     cairo_t   *cr)
 {
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
+  GtkWidget   *button;
+  GtkStyleContext *context;
+
+  context = gtk_widget_get_style_context (widget);
+  gtk_render_background (context, cr,
+                         0, 0,
+                         gtk_widget_get_allocated_width (widget),
+                         gtk_widget_get_allocated_height (widget));
 
   if (gtk_cairo_should_draw_window (cr, tree_view->priv->bin_window))
     {
@@ -5148,7 +5389,6 @@ gtk_tree_view_draw (GtkWidget *widget,
       cairo_save (cr);
 
       gtk_cairo_transform_to_window (cr, widget, tree_view->priv->bin_window);
-
       gtk_tree_view_bin_draw (widget, cr);
 
       cairo_restore (cr);
@@ -5167,6 +5407,9 @@ gtk_tree_view_draw (GtkWidget *widget,
        }
     }
 
+  gtk_style_context_save (context);
+  gtk_style_context_remove_class (context, GTK_STYLE_CLASS_VIEW);
+
   if (gtk_cairo_should_draw_window (cr, tree_view->priv->header_window))
     {
       GList *list;
@@ -5179,21 +5422,25 @@ gtk_tree_view_draw (GtkWidget *widget,
            continue;
 
          if (gtk_tree_view_column_get_visible (column))
-           gtk_container_propagate_draw (GTK_CONTAINER (tree_view),
-                                         column->button,
-                                         cr);
+           {
+             button = gtk_tree_view_column_get_button (column);
+             gtk_container_propagate_draw (GTK_CONTAINER (tree_view),
+                                           button, cr);
+           }
        }
     }
   
   if (tree_view->priv->drag_window &&
       gtk_cairo_should_draw_window (cr, tree_view->priv->drag_window))
     {
+      button = gtk_tree_view_column_get_button (tree_view->priv->drag_column);
       gtk_container_propagate_draw (GTK_CONTAINER (tree_view),
-                                    tree_view->priv->drag_column->button,
-                                    cr);
+                                    button, cr);
     }
 
-  return TRUE;
+  gtk_style_context_restore (context);
+
+  return FALSE;
 }
 
 enum
@@ -5415,6 +5662,7 @@ gtk_tree_view_key_press (GtkWidget   *widget,
                         GdkEventKey *event)
 {
   GtkTreeView *tree_view = (GtkTreeView *) widget;
+  GtkWidget   *button;
 
   if (tree_view->priv->rubber_band_status)
     {
@@ -5424,7 +5672,7 @@ gtk_tree_view_key_press (GtkWidget   *widget,
       return TRUE;
     }
 
-  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG))
+  if (tree_view->priv->in_column_drag)
     {
       if (event->keyval == GDK_KEY_Escape)
        {
@@ -5434,7 +5682,7 @@ gtk_tree_view_key_press (GtkWidget   *widget,
       return TRUE;
     }
 
-  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
+  if (tree_view->priv->headers_visible)
     {
       GList *focus_column;
       gboolean rtl;
@@ -5446,8 +5694,9 @@ gtk_tree_view_key_press (GtkWidget   *widget,
            focus_column = focus_column->next)
         {
           GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (focus_column->data);
-
-          if (gtk_widget_has_focus (column->button))
+         
+         button = gtk_tree_view_column_get_button (column);
+          if (gtk_widget_has_focus (button))
             break;
         }
 
@@ -5457,7 +5706,7 @@ gtk_tree_view_key_press (GtkWidget   *widget,
            || event->keyval == GDK_KEY_Right || event->keyval == GDK_KEY_KP_Right))
         {
           GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (focus_column->data);
-          gint max_width, min_width;
+          gint column_width;
 
           if (!gtk_tree_view_column_get_resizable (column))
             {
@@ -5465,62 +5714,20 @@ gtk_tree_view_key_press (GtkWidget   *widget,
               return TRUE;
             }
 
+         column_width = gtk_tree_view_column_get_width (column);
+
           if (event->keyval == (rtl ? GDK_KEY_Right : GDK_KEY_Left)
               || event->keyval == (rtl ? GDK_KEY_KP_Right : GDK_KEY_KP_Left))
             {
-             GtkRequisition button_req;
-              gint old_width = column->resized_width;
-
-             gtk_widget_get_preferred_size (column->button, &button_req, NULL);
-
-              column->resized_width = MAX (column->resized_width,
-                                           gtk_tree_view_column_get_width (column));
-              column->resized_width -= 2;
-              if (column->resized_width < 0)
-                column->resized_width = 0;
-
-              min_width = gtk_tree_view_column_get_min_width (column);
-              if (min_width == -1)
-                column->resized_width = MAX (button_req.width,
-                                             column->resized_width);
-              else
-                {
-                  column->resized_width = MAX (min_width,
-                                               column->resized_width);
-                }
-
-              max_width = gtk_tree_view_column_get_max_width (column);
-              if (max_width != -1)
-                column->resized_width = MIN (column->resized_width, max_width);
-
-              column->use_resized_width = TRUE;
-
-              if (column->resized_width != old_width)
-                gtk_widget_queue_resize (widget);
-              else
-                gtk_widget_error_bell (widget);
+             column_width = MAX (column_width - 2, 0);
             }
           else if (event->keyval == (rtl ? GDK_KEY_Left : GDK_KEY_Right)
                    || event->keyval == (rtl ? GDK_KEY_KP_Left : GDK_KEY_KP_Right))
             {
-              gint old_width = column->resized_width;
-
-              column->resized_width = MAX (column->resized_width,
-                                           gtk_tree_view_column_get_width (column));
-              column->resized_width += 2;
-
-              max_width = gtk_tree_view_column_get_max_width (column);
-              if (max_width != -1)
-                column->resized_width = MIN (column->resized_width, max_width);
-
-              column->use_resized_width = TRUE;
-
-              if (column->resized_width != old_width)
-                gtk_widget_queue_resize (widget);
-              else
-                gtk_widget_error_bell (widget);
+             column_width = column_width + 2;
             }
 
+         gtk_tree_view_modify_column_width (tree_view, column, column_width);
           return TRUE;
         }
 
@@ -5716,7 +5923,9 @@ gtk_tree_view_leave_notify (GtkWidget        *widget,
 {
   GtkTreeView *tree_view;
 
-  if (event->mode == GDK_CROSSING_GRAB)
+  if (event->mode == GDK_CROSSING_GRAB ||
+      event->mode == GDK_CROSSING_GTK_GRAB ||
+      event->mode == GDK_CROSSING_GTK_UNGRAB)
     return TRUE;
 
   tree_view = GTK_TREE_VIEW (widget);
@@ -5769,8 +5978,8 @@ gtk_tree_view_node_queue_redraw (GtkTreeView *tree_view,
   gint y;
 
   y = _gtk_rbtree_node_find_offset (tree, node)
-    - tree_view->priv->vadjustment->value
-    + TREE_VIEW_HEADER_HEIGHT (tree_view);
+    - gtk_adjustment_get_value (tree_view->priv->vadjustment)
+    + gtk_tree_view_get_effective_header_height (tree_view);
 
   gtk_widget_get_allocation (GTK_WIDGET (tree_view), &allocation);
   gtk_widget_queue_draw_area (GTK_WIDGET (tree_view),
@@ -5788,11 +5997,11 @@ node_is_visible (GtkTreeView *tree_view,
   int height;
 
   y = _gtk_rbtree_node_find_offset (tree, node);
-  height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
+  height = gtk_tree_view_get_row_height (tree_view, node);
 
-  if (y >= tree_view->priv->vadjustment->value &&
-      y + height <= (tree_view->priv->vadjustment->value
-                    + tree_view->priv->vadjustment->page_size))
+  if (y >= gtk_adjustment_get_value (tree_view->priv->vadjustment) &&
+      y + height <= (gtk_adjustment_get_value (tree_view->priv->vadjustment)
+                    + gtk_adjustment_get_page_size (tree_view->priv->vadjustment)))
     return TRUE;
 
   return FALSE;
@@ -5812,7 +6021,6 @@ validate_row (GtkTreeView *tree_view,
   gint height = 0;
   gint horizontal_separator;
   gint vertical_separator;
-  gint focus_line_width;
   gint depth = gtk_tree_path_get_depth (path);
   gboolean retval = FALSE;
   gboolean is_separator = FALSE;
@@ -5821,6 +6029,7 @@ validate_row (GtkTreeView *tree_view,
   gint grid_line_width;
   gboolean wide_separators;
   gint separator_height;
+  gint expander_size;
 
   /* double check the row needs validating */
   if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) &&
@@ -5831,7 +6040,6 @@ validate_row (GtkTreeView *tree_view,
 
   gtk_widget_style_get (GTK_WIDGET (tree_view),
                        "focus-padding", &focus_pad,
-                       "focus-line-width", &focus_line_width,
                        "horizontal-separator", &horizontal_separator,
                        "vertical-separator", &vertical_separator,
                        "grid-line-width", &grid_line_width,
@@ -5845,6 +6053,7 @@ validate_row (GtkTreeView *tree_view,
   draw_hgrid_lines =
     tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_HORIZONTAL
     || tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH;
+  expander_size = gtk_tree_view_get_expander_size (tree_view);
 
   for (last_column = g_list_last (tree_view->priv->columns);
        last_column &&
@@ -5860,29 +6069,34 @@ validate_row (GtkTreeView *tree_view,
 
   for (list = tree_view->priv->columns; list; list = list->next)
     {
-      gint tmp_width;
-      gint tmp_height;
+      gint padding = 0;
+      gint original_width;
+      gint new_width;
+      gint row_height;
 
       column = list->data;
 
       if (!gtk_tree_view_column_get_visible (column))
        continue;
 
-      if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID) && !column->dirty)
+      if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID) && 
+         !_gtk_tree_view_column_cell_get_dirty (column))
        continue;
 
+      original_width = _gtk_tree_view_column_get_requested_width (column);
+
       gtk_tree_view_column_cell_set_cell_data (column, tree_view->priv->model, iter,
                                               GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT),
                                               node->children?TRUE:FALSE);
       gtk_tree_view_column_cell_get_size (column,
                                          NULL, NULL, NULL,
-                                         &tmp_width, &tmp_height);
+                                         NULL, &row_height);
 
       if (!is_separator)
        {
-          tmp_height += vertical_separator;
-         height = MAX (height, tmp_height);
-         height = MAX (height, tree_view->priv->expander_size);
+          row_height += vertical_separator;
+         height = MAX (height, row_height);
+         height = MAX (height, expander_size);
        }
       else
         {
@@ -5894,27 +6108,28 @@ validate_row (GtkTreeView *tree_view,
 
       if (gtk_tree_view_is_expander_column (tree_view, column))
         {
-         tmp_width = tmp_width + horizontal_separator + (depth - 1) * tree_view->priv->level_indentation;
+         padding += horizontal_separator + (depth - 1) * tree_view->priv->level_indentation;
 
-         if (TREE_VIEW_DRAW_EXPANDERS (tree_view))
-           tmp_width += depth * tree_view->priv->expander_size;
+         if (gtk_tree_view_draw_expanders (tree_view))
+           padding += depth * expander_size;
        }
       else
-       tmp_width = tmp_width + horizontal_separator;
+       padding += horizontal_separator;
 
       if (draw_vgrid_lines)
         {
          if (list->data == first_column || list->data == last_column)
-           tmp_width += grid_line_width / 2.0;
+           padding += grid_line_width / 2.0;
          else
-           tmp_width += grid_line_width;
+           padding += grid_line_width;
        }
 
-      if (tmp_width > column->requested_width)
-       {
-         retval = TRUE;
-         column->requested_width = tmp_width;
-       }
+      /* Update the padding for the column */
+      _gtk_tree_view_column_push_padding (column, padding);
+      new_width = _gtk_tree_view_column_get_requested_width (column);
+
+      if (new_width > original_width)
+       retval = TRUE;
     }
 
   if (draw_hgrid_lines)
@@ -5926,7 +6141,6 @@ validate_row (GtkTreeView *tree_view,
       _gtk_rbtree_node_set_height (tree, node, height);
     }
   _gtk_rbtree_node_mark_valid (tree, node);
-  tree_view->priv->post_validation_flag = TRUE;
 
   return retval;
 }
@@ -5955,7 +6169,7 @@ validate_visible_area (GtkTreeView *tree_view)
     return;
 
   gtk_widget_get_allocation (GTK_WIDGET (tree_view), &allocation);
-  total_height = allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view);
+  total_height = allocation.height - gtk_tree_view_get_effective_header_height (tree_view);
 
   if (total_height == 0)
     return;
@@ -5979,7 +6193,7 @@ validate_visible_area (GtkTreeView *tree_view)
 
          if (tree_view->priv->scroll_to_use_align)
            {
-             gint height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
+             gint height = gtk_tree_view_get_row_height (tree_view, node);
              area_above = (total_height - height) *
                tree_view->priv->scroll_to_row_align;
              area_below = total_height - area_above - height;
@@ -5993,43 +6207,43 @@ validate_visible_area (GtkTreeView *tree_view)
               * 2) row visible
               */
              gint dy;
-             gint height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
+             gint height = gtk_tree_view_get_row_height (tree_view, node);
 
              dy = _gtk_rbtree_node_find_offset (tree, node);
 
-             if (dy >= tree_view->priv->vadjustment->value &&
-                 dy + height <= (tree_view->priv->vadjustment->value
-                                 + tree_view->priv->vadjustment->page_size))
+             if (dy >= gtk_adjustment_get_value (tree_view->priv->vadjustment) &&
+                 dy + height <= (gtk_adjustment_get_value (tree_view->priv->vadjustment)
+                                 + gtk_adjustment_get_page_size (tree_view->priv->vadjustment)))
                {
                  /* row visible: keep the row at the same position */
-                 area_above = dy - tree_view->priv->vadjustment->value;
-                 area_below = (tree_view->priv->vadjustment->value +
-                               tree_view->priv->vadjustment->page_size)
+                 area_above = dy - gtk_adjustment_get_value (tree_view->priv->vadjustment);
+                 area_below = (gtk_adjustment_get_value (tree_view->priv->vadjustment) +
+                               gtk_adjustment_get_page_size (tree_view->priv->vadjustment))
                               - dy - height;
                }
              else
                {
                  /* row not visible */
                  if (dy >= 0
-                     && dy + height <= tree_view->priv->vadjustment->page_size)
+                     && dy + height <= gtk_adjustment_get_page_size (tree_view->priv->vadjustment))
                    {
                      /* row at the beginning -- fixed */
                      area_above = dy;
-                     area_below = tree_view->priv->vadjustment->page_size
+                     area_below = gtk_adjustment_get_page_size (tree_view->priv->vadjustment)
                                   - area_above - height;
                    }
-                 else if (dy >= (tree_view->priv->vadjustment->upper -
-                                 tree_view->priv->vadjustment->page_size))
+                 else if (dy >= (gtk_adjustment_get_upper (tree_view->priv->vadjustment) -
+                                 gtk_adjustment_get_page_size (tree_view->priv->vadjustment)))
                    {
                      /* row at the end -- fixed */
-                     area_above = dy - (tree_view->priv->vadjustment->upper -
-                                  tree_view->priv->vadjustment->page_size);
-                      area_below = tree_view->priv->vadjustment->page_size -
+                     area_above = dy - (gtk_adjustment_get_upper (tree_view->priv->vadjustment) -
+                                  gtk_adjustment_get_page_size (tree_view->priv->vadjustment));
+                      area_below = gtk_adjustment_get_page_size (tree_view->priv->vadjustment) -
                                    area_above - height;
 
                       if (area_below < 0)
                         {
-                         area_above = tree_view->priv->vadjustment->page_size - height;
+                         area_above = gtk_adjustment_get_page_size (tree_view->priv->vadjustment) - height;
                           area_below = 0;
                         }
                    }
@@ -6076,7 +6290,7 @@ validate_visible_area (GtkTreeView *tree_view)
        }
       else
        {
-         path = _gtk_tree_view_find_path (tree_view, tree, node);
+         path = _gtk_tree_path_new_from_rbtree (tree, node);
          total_height += offset;
        }
 
@@ -6090,7 +6304,7 @@ validate_visible_area (GtkTreeView *tree_view)
            size_changed = TRUE;
        }
       area_above = 0;
-      area_below = total_height - ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
+      area_below = total_height - gtk_tree_view_get_row_height (tree_view, node);
     }
 
   above_path = gtk_tree_path_copy (path);
@@ -6114,7 +6328,7 @@ validate_visible_area (GtkTreeView *tree_view)
          GtkTreePath *tmppath;
          GtkTreeIter tmpiter;
 
-         tmppath = _gtk_tree_view_find_path (tree_view, tmptree, tmpnode);
+         tmppath = _gtk_tree_path_new_from_rbtree (tmptree, tmpnode);
          gtk_tree_model_get_iter (tree_view->priv->model, &tmpiter, tmppath);
 
          if (GTK_RBNODE_FLAG_SET (tmpnode, GTK_RBNODE_INVALID) ||
@@ -6142,12 +6356,8 @@ validate_visible_area (GtkTreeView *tree_view)
          gboolean has_child;
 
          tree = node->children;
-         node = tree->root;
-
-          g_assert (node != tree->nil);
+          node = _gtk_rbtree_first (tree);
 
-         while (node->left != tree->nil)
-           node = node->left;
          has_child = gtk_tree_model_iter_children (tree_view->priv->model,
                                                    &iter,
                                                    &parent);
@@ -6201,7 +6411,7 @@ validate_visible_area (GtkTreeView *tree_view)
              size_changed = TRUE;
        }
 
-      area_below -= ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
+      area_below -= gtk_tree_view_get_row_height (tree_view, node);
     }
   gtk_tree_path_free (path);
 
@@ -6230,7 +6440,7 @@ validate_visible_area (GtkTreeView *tree_view)
        break;
 
       gtk_tree_path_free (above_path);
-      above_path = _gtk_tree_view_find_path (tree_view, tree, node);
+      above_path = _gtk_tree_path_new_from_rbtree (tree, node);
 
       gtk_tree_model_get_iter (tree_view->priv->model, &iter, above_path);
 
@@ -6241,7 +6451,7 @@ validate_visible_area (GtkTreeView *tree_view)
          if (validate_row (tree_view, tree, node, &iter, above_path))
            size_changed = TRUE;
        }
-      area_above -= ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
+      area_above -= gtk_tree_view_get_row_height (tree_view, node);
     }
 
   /* if we scrolled to a path, we need to set the dy here,
@@ -6254,7 +6464,7 @@ validate_visible_area (GtkTreeView *tree_view)
 
       need_redraw = TRUE;
     }
-  else if (tree_view->priv->height <= tree_view->priv->vadjustment->page_size)
+  else if (tree_view->priv->height <= gtk_adjustment_get_page_size (tree_view->priv->vadjustment))
     {
       /* when we are not scrolling, we should never set dy to something
        * else than zero. we update top_row to be in sync with dy = 0.
@@ -6262,9 +6472,9 @@ validate_visible_area (GtkTreeView *tree_view)
       gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment), 0);
       gtk_tree_view_dy_to_top_row (tree_view);
     }
-  else if (tree_view->priv->vadjustment->value + tree_view->priv->vadjustment->page_size > tree_view->priv->height)
+  else if (gtk_adjustment_get_value (tree_view->priv->vadjustment) + gtk_adjustment_get_page_size (tree_view->priv->vadjustment) > tree_view->priv->height)
     {
-      gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment), tree_view->priv->height - tree_view->priv->vadjustment->page_size);
+      gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment), tree_view->priv->height - gtk_adjustment_get_page_size (tree_view->priv->vadjustment));
       gtk_tree_view_dy_to_top_row (tree_view);
     }
   else
@@ -6281,10 +6491,10 @@ validate_visible_area (GtkTreeView *tree_view)
 
       gtk_widget_get_preferred_size (GTK_WIDGET (tree_view),
                                      &requisition, NULL);
-      tree_view->priv->hadjustment->upper = MAX (tree_view->priv->hadjustment->upper, (gfloat)requisition.width);
-      tree_view->priv->vadjustment->upper = MAX (tree_view->priv->vadjustment->upper, (gfloat)requisition.height);
-      gtk_adjustment_changed (tree_view->priv->hadjustment);
-      gtk_adjustment_changed (tree_view->priv->vadjustment);
+      gtk_adjustment_set_upper (tree_view->priv->hadjustment,
+                                MAX (gtk_adjustment_get_upper (tree_view->priv->hadjustment), requisition.width));
+      gtk_adjustment_set_upper (tree_view->priv->vadjustment,
+                                MAX (gtk_adjustment_get_upper (tree_view->priv->vadjustment), requisition.height));
       gtk_widget_queue_resize (GTK_WIDGET (tree_view));
     }
 
@@ -6322,14 +6532,14 @@ initialize_fixed_height_mode (GtkTreeView *tree_view)
       tree = tree_view->priv->tree;
       node = tree->root;
 
-      path = _gtk_tree_view_find_path (tree_view, tree, node);
+      path = _gtk_tree_path_new_from_rbtree (tree, node);
       gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
 
       validate_row (tree_view, tree, node, &iter, path);
 
       gtk_tree_path_free (path);
 
-      tree_view->priv->fixed_height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
+      tree_view->priv->fixed_height = gtk_tree_view_get_row_height (tree_view, node);
     }
 
    _gtk_rbtree_set_fixed_height (tree_view->priv->tree,
@@ -6345,6 +6555,8 @@ initialize_fixed_height_mode (GtkTreeView *tree_view)
 static gboolean
 do_validate_rows (GtkTreeView *tree_view, gboolean queue_resize)
 {
+  static gboolean prevent_recursion_hack = FALSE;
+
   GtkRBTree *tree = NULL;
   GtkRBNode *node = NULL;
   gboolean validated_area = FALSE;
@@ -6354,11 +6566,16 @@ do_validate_rows (GtkTreeView *tree_view, gboolean queue_resize)
   GTimer *timer;
   gint i = 0;
 
+  gint y = -1;
   gint prev_height = -1;
   gboolean fixed_height = TRUE;
 
   g_assert (tree_view);
 
+  /* prevent infinite recursion via get_preferred_width() */
+  if (prevent_recursion_hack)
+    return FALSE;
+
   if (tree_view->priv->tree == NULL)
       return FALSE;
 
@@ -6375,6 +6592,8 @@ do_validate_rows (GtkTreeView *tree_view, gboolean queue_resize)
 
   do
     {
+      gboolean changed = FALSE;
+
       if (! GTK_RBNODE_FLAG_SET (tree_view->priv->tree->root, GTK_RBNODE_DESCENDANTS_INVALID))
        {
          retval = FALSE;
@@ -6405,12 +6624,12 @@ do_validate_rows (GtkTreeView *tree_view, gboolean queue_resize)
 
          do
            {
-             if (node->left != tree->nil &&
+             if (!_gtk_rbtree_is_nil (node->left) &&
                  GTK_RBNODE_FLAG_SET (node->left, GTK_RBNODE_DESCENDANTS_INVALID))
                {
                  node = node->left;
                }
-             else if (node->right != tree->nil &&
+              else if (!_gtk_rbtree_is_nil (node->right) &&
                       GTK_RBNODE_FLAG_SET (node->right, GTK_RBNODE_DESCENDANTS_INVALID))
                {
                  node = node->right;
@@ -6430,18 +6649,26 @@ do_validate_rows (GtkTreeView *tree_view, gboolean queue_resize)
                g_assert_not_reached ();
            }
          while (TRUE);
-         path = _gtk_tree_view_find_path (tree_view, tree, node);
+         path = _gtk_tree_path_new_from_rbtree (tree, node);
          gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
        }
 
-      validated_area = validate_row (tree_view, tree, node, &iter, path) ||
-                       validated_area;
+      changed = validate_row (tree_view, tree, node, &iter, path);
+      validated_area = changed || validated_area;
+
+      if (changed)
+        {
+          gint offset = gtk_tree_view_get_row_y_offset (tree_view, tree, node);
+
+          if (y == -1 || y > offset)
+            y = offset;
+        }
 
       if (!tree_view->priv->fixed_height_check)
         {
          gint height;
 
-         height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
+         height = gtk_tree_view_get_row_height (tree_view, node);
          if (prev_height < 0)
            prev_height = height;
          else if (prev_height != height)
@@ -6479,15 +6706,24 @@ do_validate_rows (GtkTreeView *tree_view, gboolean queue_resize)
        * Currently bypassing this but the real solution is to not update the scroll adjustments
        * untill we've recieved an allocation (never update scroll adjustments from size-requests).
        */
-      gtk_tree_view_size_request (GTK_WIDGET (tree_view), &requisition);
+      prevent_recursion_hack = TRUE;
+      gtk_tree_view_get_preferred_width (GTK_WIDGET (tree_view), &requisition.width, NULL);
+      gtk_tree_view_get_preferred_height (GTK_WIDGET (tree_view), &requisition.height, NULL);
+      prevent_recursion_hack = FALSE;
+
+      /* If rows above the current position have changed height, this has
+       * affected the current view and thus needs a redraw.
+       */
+      if (y != -1 && y < gtk_adjustment_get_value (tree_view->priv->vadjustment))
+        gtk_widget_queue_draw (GTK_WIDGET (tree_view));
 
-      tree_view->priv->hadjustment->upper = MAX (tree_view->priv->hadjustment->upper, (gfloat)requisition.width);
-      tree_view->priv->vadjustment->upper = MAX (tree_view->priv->vadjustment->upper, (gfloat)requisition.height);
-      gtk_adjustment_changed (tree_view->priv->hadjustment);
-      gtk_adjustment_changed (tree_view->priv->vadjustment);
+      gtk_adjustment_set_upper (tree_view->priv->hadjustment,
+                                MAX (gtk_adjustment_get_upper (tree_view->priv->hadjustment), requisition.width));
+      gtk_adjustment_set_upper (tree_view->priv->vadjustment,
+                                MAX (gtk_adjustment_get_upper (tree_view->priv->vadjustment), requisition.height));
 
       if (queue_resize)
-        gtk_widget_queue_resize (GTK_WIDGET (tree_view));
+        gtk_widget_queue_resize_no_redraw (GTK_WIDGET (tree_view));
     }
 
   if (path) gtk_tree_path_free (path);
@@ -6546,10 +6782,10 @@ do_presize_handler (GtkTreeView *tree_view)
       gtk_widget_get_preferred_size (GTK_WIDGET (tree_view),
                                      &requisition, NULL);
 
-      tree_view->priv->hadjustment->upper = MAX (tree_view->priv->hadjustment->upper, (gfloat)requisition.width);
-      tree_view->priv->vadjustment->upper = MAX (tree_view->priv->vadjustment->upper, (gfloat)requisition.height);
-      gtk_adjustment_changed (tree_view->priv->hadjustment);
-      gtk_adjustment_changed (tree_view->priv->vadjustment);
+      gtk_adjustment_set_upper (tree_view->priv->hadjustment,
+                                MAX (gtk_adjustment_get_upper (tree_view->priv->hadjustment), requisition.width));
+      gtk_adjustment_set_upper (tree_view->priv->vadjustment,
+                                MAX (gtk_adjustment_get_upper (tree_view->priv->vadjustment), requisition.height));
       gtk_widget_queue_resize (GTK_WIDGET (tree_view));
     }
                   
@@ -6582,25 +6818,10 @@ install_presize_handler (GtkTreeView *tree_view)
     }
 }
 
-static void
-gtk_tree_view_bin_process_updates (GtkTreeView *tree_view)
-{
-  /* Prior to drawing, we make sure the visible area is validated. */
-  if (tree_view->priv->presize_handler_timer)
-    {
-      g_source_remove (tree_view->priv->presize_handler_timer);
-      tree_view->priv->presize_handler_timer = 0;
-
-      do_presize_handler (tree_view);
-    }
-
-  gdk_window_process_updates (tree_view->priv->bin_window, TRUE);
-}
-
 static gboolean
 scroll_sync_handler (GtkTreeView *tree_view)
 {
-  if (tree_view->priv->height <= tree_view->priv->vadjustment->page_size)
+  if (tree_view->priv->height <= gtk_adjustment_get_page_size (tree_view->priv->vadjustment))
     gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment), 0);
   else if (gtk_tree_row_reference_valid (tree_view->priv->top_row))
     gtk_tree_view_top_row_to_dy (tree_view);
@@ -6671,7 +6892,7 @@ gtk_tree_view_dy_to_top_row (GtkTreeView *tree_view)
        }
       else
         {
-         path = _gtk_tree_view_find_path (tree_view, tree, node);
+         path = _gtk_tree_path_new_from_rbtree (tree, node);
          gtk_tree_view_set_top_row (tree_view, path, offset);
          gtk_tree_path_free (path);
        }
@@ -6714,7 +6935,7 @@ gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view)
       return;
     }
 
-  if (ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node))
+  if (gtk_tree_view_get_row_height (tree_view, node)
       < tree_view->priv->top_row_dy)
     {
       /* new top row -- do NOT install the idle handler */
@@ -6725,8 +6946,8 @@ gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view)
   new_dy = _gtk_rbtree_node_find_offset (tree, node);
   new_dy += tree_view->priv->top_row_dy;
 
-  if (new_dy + tree_view->priv->vadjustment->page_size > tree_view->priv->height)
-    new_dy = tree_view->priv->height - tree_view->priv->vadjustment->page_size;
+  if (new_dy + gtk_adjustment_get_page_size (tree_view->priv->vadjustment) > tree_view->priv->height)
+    new_dy = tree_view->priv->height - gtk_adjustment_get_page_size (tree_view->priv->vadjustment);
 
   new_dy = MAX (0, new_dy);
 
@@ -6737,11 +6958,13 @@ gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view)
 
 
 void
-_gtk_tree_view_install_mark_rows_col_dirty (GtkTreeView *tree_view)
+_gtk_tree_view_install_mark_rows_col_dirty (GtkTreeView *tree_view,
+                                           gboolean     install_handler)
 {
   tree_view->priv->mark_rows_col_dirty = TRUE;
 
-  install_presize_handler (tree_view);
+  if (install_handler)
+    install_presize_handler (tree_view);
 }
 
 /*
@@ -6936,12 +7159,15 @@ drag_scan_timeout (gpointer data)
   GtkTreeViewColumn *column = NULL;
   GdkRectangle visible_rect;
 
-  GDK_THREADS_ENTER ();
+  gdk_threads_enter ();
 
   tree_view = GTK_TREE_VIEW (data);
 
-  gdk_window_get_pointer (tree_view->priv->bin_window,
-                          &x, &y, &state);
+  gdk_window_get_device_position (tree_view->priv->bin_window,
+                                  gdk_device_manager_get_client_pointer (
+                                    gdk_display_get_device_manager (
+                                      gtk_widget_get_display (GTK_WIDGET (tree_view)))),
+                                  &x, &y, &state);
 
   gtk_tree_view_get_visible_rect (tree_view, &visible_rect);
 
@@ -6971,7 +7197,7 @@ drag_scan_timeout (gpointer data)
         }
     }
 
-  GDK_THREADS_LEAVE ();
+  gdk_threads_leave ();
 
   return TRUE;
 }
@@ -7102,7 +7328,7 @@ set_destination_row (GtkTreeView    *tree_view,
 
   di = get_info (tree_view);
 
-  if (di == NULL || y - TREE_VIEW_HEADER_HEIGHT (tree_view) < 0)
+  if (di == NULL || y - gtk_tree_view_get_effective_header_height (tree_view) < 0)
     {
       /* someone unset us as a drag dest, note that if
        * we return FALSE drag_leave isn't called
@@ -7364,7 +7590,14 @@ gtk_tree_view_drag_begin (GtkWidget      *widget,
                                  &cell_x,
                                  &cell_y);
 
-  g_return_if_fail (path != NULL);
+  /* If path is NULL, there's nothing we can drag.  For now, we silently
+   * bail out.  Actually, dragging should not be possible from an empty
+   * tree view, but there's no way we can cancel that from here.
+   * Automatically unsetting the tree view as drag source for empty models
+   * is something that would likely break other people's code ...
+   */
+  if (!path)
+    return;
 
   row_pix = gtk_tree_view_create_row_drag_icon (tree_view,
                                                 path);
@@ -7732,8 +7965,9 @@ gtk_tree_view_drag_data_received (GtkWidget        *widget,
                    (gdk_drag_context_get_selected_action (context) == GDK_ACTION_MOVE),
                    time);
 
-  if (gtk_tree_path_get_depth (dest_row) == 1
-      && gtk_tree_path_get_indices (dest_row)[0] == 0)
+  if (gtk_tree_path_get_depth (dest_row) == 1 &&
+      gtk_tree_path_get_indices (dest_row)[0] == 0 &&
+      gtk_tree_model_iter_n_children (tree_view->priv->model, NULL) != 0)
     {
       /* special special case drag to "0", scroll to first item */
       if (!tree_view->priv->scroll_to_path)
@@ -7782,8 +8016,12 @@ gtk_tree_view_remove (GtkContainer *container,
   while (tmp_list)
     {
       GtkTreeViewColumn *column;
+      GtkWidget         *button;
+
       column = tmp_list->data;
-      if (column->button == widget)
+      button = gtk_tree_view_column_get_button (column);
+
+      if (button == widget)
        {
          gtk_widget_unparent (widget);
          return;
@@ -7801,6 +8039,7 @@ gtk_tree_view_forall (GtkContainer *container,
   GtkTreeView *tree_view = GTK_TREE_VIEW (container);
   GtkTreeViewChild *child = NULL;
   GtkTreeViewColumn *column;
+  GtkWidget *button;
   GList *tmp_list;
 
   tmp_list = tree_view->priv->children;
@@ -7817,25 +8056,29 @@ gtk_tree_view_forall (GtkContainer *container,
   for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next)
     {
       column = tmp_list->data;
+      button = gtk_tree_view_column_get_button (column);
 
-      if (column->button)
-       (* callback) (column->button, callback_data);
+      if (button)
+       (* callback) (button, callback_data);
     }
 }
 
-/* Returns TRUE if the treeview contains no "special" (editable or activatable)
- * cells. If so we draw one big row-spanning focus rectangle.
+/* Returns TRUE is any of the columns contains a cell that can-focus.
+ * If this is not the case, a column-spanning focus rectangle will be
+ * drawn.
  */
 static gboolean
-gtk_tree_view_has_special_cell (GtkTreeView *tree_view)
+gtk_tree_view_has_can_focus_cell (GtkTreeView *tree_view)
 {
   GList *list;
 
   for (list = tree_view->priv->columns; list; list = list->next)
     {
-      if (!gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data)))
+      GtkTreeViewColumn *column = list->data;
+
+      if (!gtk_tree_view_column_get_visible (column))
        continue;
-      if (_gtk_tree_view_column_count_special_cells (list->data))
+      if (gtk_cell_area_is_activatable (gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column))))
        return TRUE;
     }
 
@@ -7882,9 +8125,6 @@ gtk_tree_view_set_fixed_height_mode (GtkTreeView *tree_view,
     {
       tree_view->priv->fixed_height_mode = 0;
       tree_view->priv->fixed_height = -1;
-
-      /* force a revalidation */
-      install_presize_handler (tree_view);
     }
   else 
     {
@@ -7903,11 +8143,11 @@ gtk_tree_view_set_fixed_height_mode (GtkTreeView *tree_view,
       
       tree_view->priv->fixed_height_mode = 1;
       tree_view->priv->fixed_height = -1;
-      
-      if (tree_view->priv->tree)
-       initialize_fixed_height_mode (tree_view);
     }
 
+  /* force a revalidation */
+  install_presize_handler (tree_view);
+
   g_object_notify (G_OBJECT (tree_view), "fixed-height-mode");
 }
 
@@ -7937,12 +8177,12 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
 {
   GtkTreeViewColumn *column;
   GtkWidget *focus_child;
-
+  GtkWidget *button;
   GList *last_column, *first_column;
   GList *tmp_list;
   gboolean rtl;
 
-  if (! GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
+  if (! tree_view->priv->headers_visible)
     return FALSE;
 
   focus_child = gtk_container_get_focus_child (GTK_CONTAINER (tree_view));
@@ -7951,8 +8191,9 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
   while (first_column)
     {
       column = GTK_TREE_VIEW_COLUMN (first_column->data);
+      button = gtk_tree_view_column_get_button (column);
 
-      if (gtk_widget_get_can_focus (column->button) &&
+      if (gtk_widget_get_can_focus (button) &&
           gtk_tree_view_column_get_visible (column) &&
           (gtk_tree_view_column_get_clickable (column) ||
            gtk_tree_view_column_get_reorderable (column)))
@@ -7969,8 +8210,9 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
   while (last_column)
     {
       column = GTK_TREE_VIEW_COLUMN (last_column->data);
+      button = gtk_tree_view_column_get_button (column);
 
-      if (gtk_widget_get_can_focus (column->button) &&
+      if (gtk_widget_get_can_focus (button) &&
           gtk_tree_view_column_get_visible (column) &&
           (gtk_tree_view_column_get_clickable (column) ||
            gtk_tree_view_column_get_reorderable (column)))
@@ -7989,11 +8231,16 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
     case GTK_DIR_DOWN:
       if (focus_child == NULL)
        {
-         if (tree_view->priv->focus_column != NULL &&
-              gtk_widget_get_can_focus (tree_view->priv->focus_column->button))
-           focus_child = tree_view->priv->focus_column->button;
+         if (tree_view->priv->focus_column != NULL)
+           button = gtk_tree_view_column_get_button (tree_view->priv->focus_column);
+         else 
+           button = NULL;
+
+         if (button && gtk_widget_get_can_focus (button))
+           focus_child = button;
          else
-           focus_child = GTK_TREE_VIEW_COLUMN (first_column->data)->button;
+           focus_child = gtk_tree_view_column_get_button (GTK_TREE_VIEW_COLUMN (first_column->data));
+
          gtk_widget_grab_focus (focus_child);
          break;
        }
@@ -8004,11 +8251,12 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
       if (focus_child == NULL)
        {
          if (tree_view->priv->focus_column != NULL)
-           focus_child = tree_view->priv->focus_column->button;
+           focus_child = gtk_tree_view_column_get_button (tree_view->priv->focus_column);
          else if (dir == GTK_DIR_LEFT)
-           focus_child = GTK_TREE_VIEW_COLUMN (last_column->data)->button;
+           focus_child = gtk_tree_view_column_get_button (GTK_TREE_VIEW_COLUMN (last_column->data));
          else
-           focus_child = GTK_TREE_VIEW_COLUMN (first_column->data)->button;
+           focus_child = gtk_tree_view_column_get_button (GTK_TREE_VIEW_COLUMN (first_column->data));
+
          gtk_widget_grab_focus (focus_child);
          break;
        }
@@ -8022,7 +8270,7 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
 
       /* We need to move the focus among the row of buttons. */
       for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next)
-       if (GTK_TREE_VIEW_COLUMN (tmp_list->data)->button == focus_child)
+       if (gtk_tree_view_column_get_button (GTK_TREE_VIEW_COLUMN (tmp_list->data)) == focus_child)
          break;
 
       if ((tmp_list == first_column && dir == (rtl ? GTK_DIR_RIGHT : GTK_DIR_LEFT))
@@ -8035,6 +8283,7 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
       while (tmp_list)
        {
          GtkTreeViewColumn *column;
+         GtkWidget         *button;
 
          if (dir == (rtl ? GTK_DIR_LEFT : GTK_DIR_RIGHT))
            tmp_list = tmp_list->next;
@@ -8047,12 +8296,13 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
              break;
            }
          column = tmp_list->data;
-         if (column->button &&
+         button = gtk_tree_view_column_get_button (column);
+         if (button &&
              gtk_tree_view_column_get_visible (column) &&
-             gtk_widget_get_can_focus (column->button))
+             gtk_widget_get_can_focus (button))
            {
-             focus_child = column->button;
-             gtk_widget_grab_focus (column->button);
+             focus_child = button;
+             gtk_widget_grab_focus (button);
              break;
            }
        }
@@ -8067,9 +8317,9 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
   if (focus_child)
     {
       for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next)
-       if (GTK_TREE_VIEW_COLUMN (tmp_list->data)->button == focus_child)
+       if (gtk_tree_view_column_get_button (GTK_TREE_VIEW_COLUMN (tmp_list->data)) == focus_child)
          {
-           tree_view->priv->focus_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
+            _gtk_tree_view_set_focus_column (tree_view, GTK_TREE_VIEW_COLUMN (tmp_list->data));
            break;
          }
 
@@ -8116,7 +8366,7 @@ search_first_focusable_path (GtkTreeView  *tree_view,
        gtk_tree_path_free (*path);
 
       if (node)
-       *path = _gtk_tree_view_find_path (tree_view, tree, node);
+       *path = _gtk_tree_path_new_from_rbtree (tree, node);
       else
        *path = NULL;
     }
@@ -8193,40 +8443,37 @@ gtk_tree_view_grab_focus (GtkWidget *widget)
 }
 
 static void
-gtk_tree_view_style_set (GtkWidget *widget,
-                        GtkStyle *previous_style)
+gtk_tree_view_style_updated (GtkWidget *widget)
 {
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
-  GtkStyle *style;
   GList *list;
   GtkTreeViewColumn *column;
+  GtkStyleContext *style_context;
+  const GtkBitmask *changes;
+
+  GTK_WIDGET_CLASS (gtk_tree_view_parent_class)->style_updated (widget);
 
   if (gtk_widget_get_realized (widget))
     {
-      style = gtk_widget_get_style (widget);
-      gdk_window_set_background (tree_view->priv->bin_window,
-                                 &style->base[gtk_widget_get_state (widget)]);
-      gtk_style_set_background (style, tree_view->priv->header_window, GTK_STATE_NORMAL);
+      gtk_tree_view_ensure_background (tree_view);
 
       gtk_tree_view_set_grid_lines (tree_view, tree_view->priv->grid_lines);
       gtk_tree_view_set_enable_tree_lines (tree_view, tree_view->priv->tree_lines_enabled);
     }
 
-  gtk_widget_style_get (widget,
-                       "expander-size", &tree_view->priv->expander_size,
-                       NULL);
-  tree_view->priv->expander_size += EXPANDER_EXTRA_PADDING;
-
-  for (list = tree_view->priv->columns; list; list = list->next)
+  style_context = gtk_widget_get_style_context (widget);
+  changes = _gtk_style_context_get_changes (style_context);
+  if (changes == NULL || _gtk_css_style_property_changes_affect_size (changes))
     {
-      column = list->data;
-      _gtk_tree_view_column_cell_set_dirty (column, TRUE);
-    }
-
-  tree_view->priv->fixed_height = -1;
-  _gtk_rbtree_mark_invalid (tree_view->priv->tree);
+      for (list = tree_view->priv->columns; list; list = list->next)
+       {
+         column = list->data;
+         _gtk_tree_view_column_cell_set_dirty (column, TRUE);
+       }
 
-  gtk_widget_queue_resize (widget);
+      tree_view->priv->fixed_height = -1;
+      _gtk_rbtree_mark_invalid (tree_view->priv->tree);
+    }
 }
 
 
@@ -8239,9 +8486,9 @@ gtk_tree_view_set_focus_child (GtkContainer *container,
 
   for (list = tree_view->priv->columns; list; list = list->next)
     {
-      if (GTK_TREE_VIEW_COLUMN (list->data)->button == child)
+      if (gtk_tree_view_column_get_button (GTK_TREE_VIEW_COLUMN (list->data)) == child)
        {
-         tree_view->priv->focus_column = GTK_TREE_VIEW_COLUMN (list->data);
+          _gtk_tree_view_set_focus_column (tree_view, GTK_TREE_VIEW_COLUMN (list->data));
          break;
        }
     }
@@ -8249,6 +8496,60 @@ gtk_tree_view_set_focus_child (GtkContainer *container,
   GTK_CONTAINER_CLASS (gtk_tree_view_parent_class)->set_focus_child (container, child);
 }
 
+static GtkWidgetPath *
+gtk_tree_view_get_path_for_child (GtkContainer *container,
+                                  GtkWidget    *child)
+{
+  GtkTreeView *tree_view = GTK_TREE_VIEW (container);
+  GtkWidgetPath *path;
+  gboolean rtl;
+  GList *list, *visible_columns = NULL;
+  gint n_col = 0;
+
+  path = GTK_CONTAINER_CLASS (gtk_tree_view_parent_class)->get_path_for_child (container, child);
+  rtl = (gtk_widget_get_direction (GTK_WIDGET (container)) == GTK_TEXT_DIR_RTL);
+
+  for (list = tree_view->priv->columns; list; list = list->next)
+    {
+      GtkTreeViewColumn *column = list->data;
+
+      if (gtk_tree_view_column_get_visible (column))
+        visible_columns = g_list_prepend (visible_columns, column);
+    }
+
+  if (!rtl)
+    visible_columns = g_list_reverse (visible_columns);
+
+  for (list = visible_columns; list != NULL; list = list->next)
+    {
+      GtkTreeViewColumn *column = list->data;
+      GtkRegionFlags flags = 0;
+
+      n_col++;
+
+      if (gtk_tree_view_column_get_widget (column) != child &&
+          gtk_tree_view_column_get_button (column) != child)
+        continue;
+
+      if ((n_col % 2) == 0)
+        flags |= GTK_REGION_EVEN;
+      else
+        flags |= GTK_REGION_ODD;
+
+      if (n_col == 1)
+        flags |= GTK_REGION_FIRST;
+
+      if (!list->next)
+        flags |= GTK_REGION_LAST;
+
+      gtk_widget_path_iter_add_region (path, gtk_widget_path_length (path) - 2, GTK_STYLE_REGION_COLUMN_HEADER, flags);
+      break;
+    }
+  g_list_free (visible_columns);
+
+  return path;
+}
+
 static gboolean
 gtk_tree_view_real_move_cursor (GtkTreeView       *tree_view,
                                GtkMovementStep    step,
@@ -8269,15 +8570,26 @@ gtk_tree_view_real_move_cursor (GtkTreeView       *tree_view,
     return FALSE;
 
   gtk_tree_view_stop_editing (tree_view, FALSE);
-  GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
+  tree_view->priv->draw_keyfocus = TRUE;
   gtk_widget_grab_focus (GTK_WIDGET (tree_view));
 
   if (gtk_get_current_event_state (&state))
     {
-      if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
-        tree_view->priv->ctrl_pressed = TRUE;
-      if ((state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK)
-        tree_view->priv->shift_pressed = TRUE;
+      GdkModifierType extend_mod_mask;
+      GdkModifierType modify_mod_mask;
+
+      extend_mod_mask =
+        gtk_widget_get_modifier_mask (GTK_WIDGET (tree_view),
+                                      GDK_MODIFIER_INTENT_EXTEND_SELECTION);
+
+      modify_mod_mask =
+        gtk_widget_get_modifier_mask (GTK_WIDGET (tree_view),
+                                      GDK_MODIFIER_INTENT_MODIFY_SELECTION);
+
+      if ((state & modify_mod_mask) == modify_mod_mask)
+        tree_view->priv->modify_selection_pressed = TRUE;
+      if ((state & extend_mod_mask) == extend_mod_mask)
+        tree_view->priv->extend_selection_pressed = TRUE;
     }
   /* else we assume not pressed */
 
@@ -8301,8 +8613,8 @@ gtk_tree_view_real_move_cursor (GtkTreeView       *tree_view,
       g_assert_not_reached ();
     }
 
-  tree_view->priv->ctrl_pressed = FALSE;
-  tree_view->priv->shift_pressed = FALSE;
+  tree_view->priv->modify_selection_pressed = FALSE;
+  tree_view->priv->extend_selection_pressed = FALSE;
 
   return TRUE;
 }
@@ -8392,8 +8704,9 @@ gtk_tree_view_row_changed (GtkTreeModel *model,
 
   g_return_if_fail (path != NULL || iter != NULL);
 
-  if (tree_view->priv->cursor != NULL)
-    cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
+  if (tree_view->priv->cursor_node != NULL)
+    cursor_path = _gtk_tree_path_new_from_rbtree (tree_view->priv->cursor_tree,
+                                                  tree_view->priv->cursor_node);
   else
     cursor_path = NULL;
 
@@ -8422,6 +8735,8 @@ gtk_tree_view_row_changed (GtkTreeModel *model,
   if (tree == NULL)
     goto done;
 
+  _gtk_tree_view_accessible_changed (tree_view, tree, node);
+
   if (tree_view->priv->fixed_height_mode
       && tree_view->priv->fixed_height >= 0)
     {
@@ -8463,7 +8778,7 @@ gtk_tree_view_row_inserted (GtkTreeModel *model,
 {
   GtkTreeView *tree_view = (GtkTreeView *) data;
   gint *indices;
-  GtkRBTree *tmptree, *tree;
+  GtkRBTree *tree;
   GtkRBNode *tmpnode = NULL;
   gint depth;
   gint i = 0;
@@ -8490,7 +8805,7 @@ gtk_tree_view_row_inserted (GtkTreeModel *model,
   if (tree_view->priv->tree == NULL)
     tree_view->priv->tree = _gtk_rbtree_new ();
 
-  tmptree = tree = tree_view->priv->tree;
+  tree = tree_view->priv->tree;
 
   /* Update all row-references */
   gtk_tree_row_reference_inserted (G_OBJECT (data), path);
@@ -8500,14 +8815,14 @@ gtk_tree_view_row_inserted (GtkTreeModel *model,
   /* First, find the parent tree */
   while (i < depth - 1)
     {
-      if (tmptree == NULL)
+      if (tree == NULL)
        {
          /* We aren't showing the node */
          node_visible = FALSE;
           goto done;
        }
 
-      tmpnode = _gtk_rbtree_find_count (tmptree, indices[i] + 1);
+      tmpnode = _gtk_rbtree_find_count (tree, indices[i] + 1);
       if (tmpnode == NULL)
        {
          g_warning ("A node was inserted with a parent that's not in the tree.\n" \
@@ -8521,16 +8836,13 @@ gtk_tree_view_row_inserted (GtkTreeModel *model,
          /* In theory, the model should have emitted has_child_toggled here.  We
           * try to catch it anyway, just to be safe, in case the model hasn't.
           */
-         GtkTreePath *tmppath = _gtk_tree_view_find_path (tree_view,
-                                                          tree,
-                                                          tmpnode);
+         GtkTreePath *tmppath = _gtk_tree_path_new_from_rbtree (tree, tmpnode);
          gtk_tree_view_row_has_child_toggled (model, tmppath, NULL, data);
          gtk_tree_path_free (tmppath);
           goto done;
        }
 
-      tmptree = tmpnode->children;
-      tree = tmptree;
+      tree = tmpnode->children;
       i++;
     }
 
@@ -8553,6 +8865,8 @@ gtk_tree_view_row_inserted (GtkTreeModel *model,
       tmpnode = _gtk_rbtree_insert_after (tree, tmpnode, height, FALSE);
     }
 
+  _gtk_tree_view_accessible_add (tree_view, tree, tmpnode);
+
  done:
   if (height > 0)
     {
@@ -8613,21 +8927,26 @@ gtk_tree_view_row_has_child_toggled (GtkTreeModel *model,
     goto done;
 
   if (has_child)
-    GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_PARENT);
+    {
+      GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_PARENT);
+      _gtk_tree_view_accessible_add_state (tree_view, tree, node, GTK_CELL_RENDERER_EXPANDABLE);
+    }
   else
-    GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_PARENT);
+    {
+      GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_PARENT);
+      _gtk_tree_view_accessible_remove_state (tree_view, tree, node, GTK_CELL_RENDERER_EXPANDABLE);
+    }
 
-  if (has_child && GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST))
+  if (has_child && tree_view->priv->is_list)
     {
-      GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IS_LIST);
-      if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS))
+      tree_view->priv->is_list = FALSE;
+      if (tree_view->priv->show_expanders)
        {
          GList *list;
 
          for (list = tree_view->priv->columns; list; list = list->next)
            if (gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data)))
              {
-               GTK_TREE_VIEW_COLUMN (list->data)->dirty = TRUE;
                _gtk_tree_view_column_cell_set_dirty (GTK_TREE_VIEW_COLUMN (list->data), TRUE);
                break;
              }
@@ -8661,7 +8980,7 @@ check_selection_helper (GtkRBTree *tree,
 {
   gint *value = (gint *)data;
 
-  *value = GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED);
+  *value |= GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED);
 
   if (node->children && !*value)
     _gtk_rbtree_traverse (node->children, node->children->root, G_POST_ORDER, check_selection_helper, data);
@@ -8676,7 +8995,9 @@ gtk_tree_view_row_deleted (GtkTreeModel *model,
   GtkRBTree *tree;
   GtkRBNode *node;
   GList *list;
-  gint selection_changed = FALSE;
+  gboolean selection_changed = FALSE, cursor_changed = FALSE;
+  GtkRBTree *cursor_tree = NULL;
+  GtkRBNode *cursor_node = NULL;
 
   g_return_if_fail (path != NULL);
 
@@ -8703,8 +9024,52 @@ gtk_tree_view_row_deleted (GtkTreeModel *model,
   /* Cancel editting if we've started */
   gtk_tree_view_stop_editing (tree_view, TRUE);
 
-  /* If we have a node expanded/collapsed timeout, remove it */
-  remove_expand_collapse_timeout (tree_view);
+  /* If the cursor row got deleted, move the cursor to the next row */
+  if (tree_view->priv->cursor_node &&
+      (tree_view->priv->cursor_node == node ||
+       (node->children && (tree_view->priv->cursor_tree == node->children ||
+                           _gtk_rbtree_contains (node->children, tree_view->priv->cursor_tree)))))
+    {
+      GtkTreePath *cursor_path;
+
+      cursor_tree = tree;
+      cursor_node = _gtk_rbtree_next (tree, node);
+      /* find the first node that is not going to be deleted */
+      while (cursor_node == NULL && cursor_tree->parent_tree)
+        {
+          cursor_node = _gtk_rbtree_next (cursor_tree->parent_tree,
+                                          cursor_tree->parent_node);
+          cursor_tree = cursor_tree->parent_tree;
+        }
+
+      if (cursor_node != NULL)
+        cursor_path = _gtk_tree_path_new_from_rbtree (cursor_tree, cursor_node);
+      else
+        cursor_path = NULL;
+
+      if (cursor_path == NULL ||
+          ! search_first_focusable_path (tree_view, &cursor_path, TRUE, 
+                                         &cursor_tree, &cursor_node))
+        {
+          /* It looks like we reached the end of the view without finding
+           * a focusable row.  We will step backwards to find the last
+           * focusable row.
+           */
+          _gtk_rbtree_prev_full (tree, node, &cursor_tree, &cursor_node);
+          if (cursor_node)
+            {
+              cursor_path = _gtk_tree_path_new_from_rbtree (cursor_tree, cursor_node);
+              if (! search_first_focusable_path (tree_view, &cursor_path, FALSE,
+                                                 &cursor_tree, &cursor_node))
+                cursor_node = NULL;
+              gtk_tree_path_free (cursor_path);
+            }
+        }
+      else if (cursor_path)
+        gtk_tree_path_free (cursor_path);
+
+      cursor_changed = TRUE;
+    }
 
   if (tree_view->priv->destroy_count_func)
     {
@@ -8719,10 +9084,15 @@ gtk_tree_view_row_deleted (GtkTreeModel *model,
       if (tree_view->priv->tree == tree)
        tree_view->priv->tree = NULL;
 
+      _gtk_tree_view_accessible_remove_state (tree_view,
+                                              tree->parent_tree, tree->parent_node,
+                                              GTK_CELL_RENDERER_EXPANDED);
+      _gtk_tree_view_accessible_remove (tree_view, tree, NULL);
       _gtk_rbtree_remove (tree);
     }
   else
     {
+      _gtk_tree_view_accessible_remove (tree_view, tree, node);
       _gtk_rbtree_remove_node (tree, node);
     }
 
@@ -8736,6 +9106,17 @@ gtk_tree_view_row_deleted (GtkTreeModel *model,
 
   gtk_widget_queue_resize (GTK_WIDGET (tree_view));
 
+  if (cursor_changed)
+    {
+      if (cursor_node)
+        {
+          GtkTreePath *cursor_path = _gtk_tree_path_new_from_rbtree (cursor_tree, cursor_node);
+          gtk_tree_view_real_set_cursor (tree_view, cursor_path, CLEAR_AND_SELECT | CURSOR_INVALID);
+          gtk_tree_path_free (cursor_path);
+        }
+      else
+        gtk_tree_view_real_set_cursor (tree_view, NULL, CLEAR_AND_SELECT | CURSOR_INVALID);
+    }
   if (selection_changed)
     g_signal_emit_by_name (tree_view->priv->selection, "changed");
 }
@@ -8783,11 +9164,10 @@ gtk_tree_view_rows_reordered (GtkTreeModel *model,
   /* we need to be unprelighted */
   ensure_unprelighted (tree_view);
 
-  /* clear the timeout */
-  cancel_arrow_animation (tree_view);
-  
   _gtk_rbtree_reorder (tree, new_order, len);
 
+  _gtk_tree_view_accessible_reorder (tree_view);
+
   gtk_widget_queue_draw (GTK_WIDGET (tree_view));
 
   gtk_tree_view_dy_to_top_row (tree_view);
@@ -8849,6 +9229,7 @@ gtk_tree_view_get_background_xrange (GtkTreeView       *tree_view,
         *x2 = total_width; /* width of 0 */
     }
 }
+
 static void
 gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view,
                                GtkRBTree   *tree,
@@ -8859,10 +9240,19 @@ gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view,
   GList *list;
   GtkTreeViewColumn *tmp_column = NULL;
   gint total_width;
+  gint expander_size, expander_render_size;
+  gint horizontal_separator;
   gboolean indent_expanders;
   gboolean rtl;
 
+  gtk_widget_style_get (GTK_WIDGET (tree_view),
+                       "indent-expanders", &indent_expanders,
+                        "horizontal-separator", &horizontal_separator,
+                       NULL);
+
   rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
+  expander_size = gtk_tree_view_get_expander_size (tree_view);
+  expander_render_size = expander_size - (horizontal_separator / 2);
 
   total_width = 0;
   for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
@@ -8874,7 +9264,7 @@ gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view,
       if (gtk_tree_view_is_expander_column (tree_view, tmp_column))
         {
          if (rtl)
-           x_offset = total_width + gtk_tree_view_column_get_width (tmp_column) - tree_view->priv->expander_size;
+           x_offset = total_width + gtk_tree_view_column_get_width (tmp_column) - expander_size;
          else
            x_offset = total_width;
           break;
@@ -8884,16 +9274,14 @@ gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view,
         total_width += gtk_tree_view_column_get_width (tmp_column);
     }
 
-  gtk_widget_style_get (GTK_WIDGET (tree_view),
-                       "indent-expanders", &indent_expanders,
-                       NULL);
+  x_offset += (expander_size - expander_render_size);
 
   if (indent_expanders)
     {
       if (rtl)
-       x_offset -= tree_view->priv->expander_size * _gtk_rbtree_get_depth (tree);
+       x_offset -= expander_size * _gtk_rbtree_get_depth (tree);
       else
-       x_offset += tree_view->priv->expander_size * _gtk_rbtree_get_depth (tree);
+       x_offset += expander_size * _gtk_rbtree_get_depth (tree);
     }
 
   *x1 = x_offset;
@@ -8901,7 +9289,7 @@ gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view,
   if (tmp_column &&
       gtk_tree_view_column_get_visible (tmp_column))
     /* +1 because x2 isn't included in the range. */
-    *x2 = *x1 + tree_view->priv->expander_size + 1;
+    *x2 = *x1 + expander_render_size + 1;
   else
     *x2 = *x1;
 }
@@ -8915,7 +9303,6 @@ gtk_tree_view_build_tree (GtkTreeView *tree_view,
 {
   GtkRBNode *temp = NULL;
   GtkTreePath *path = NULL;
-  gboolean is_list = GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST);
 
   do
     {
@@ -8931,7 +9318,7 @@ gtk_tree_view_build_tree (GtkTreeView *tree_view,
            }
         }
 
-      if (is_list)
+      if (tree_view->priv->is_list)
         continue;
 
       if (recurse)
@@ -8986,20 +9373,16 @@ gtk_tree_view_clamp_node_visible (GtkTreeView *tree_view,
 
   /* just return if the node is visible, avoiding a costly expose */
   node_dy = _gtk_rbtree_node_find_offset (tree, node);
-  height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
+  height = gtk_tree_view_get_row_height (tree_view, node);
   if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID)
-      && node_dy >= tree_view->priv->vadjustment->value
-      && node_dy + height <= (tree_view->priv->vadjustment->value
-                              + tree_view->priv->vadjustment->page_size))
+      && node_dy >= gtk_adjustment_get_value (tree_view->priv->vadjustment)
+      && node_dy + height <= (gtk_adjustment_get_value (tree_view->priv->vadjustment)
+                              + gtk_adjustment_get_page_size (tree_view->priv->vadjustment)))
     return;
 
-  path = _gtk_tree_view_find_path (tree_view, tree, node);
+  path = _gtk_tree_path_new_from_rbtree (tree, node);
   if (path)
     {
-      /* We process updates because we want to clear old selected items when we scroll.
-       * if this is removed, we get a "selection streak" at the bottom. */
-      gtk_tree_view_bin_process_updates (tree_view);
-
       gtk_tree_view_scroll_to_cell (tree_view, path, NULL, FALSE, 0.0, 0.0);
       gtk_tree_path_free (path);
     }
@@ -9016,11 +9399,11 @@ gtk_tree_view_clamp_column_visible (GtkTreeView       *tree_view,
   if (column == NULL)
     return;
 
-  gtk_widget_get_allocation (column->button, &allocation);
+  gtk_widget_get_allocation (gtk_tree_view_column_get_button (column), &allocation);
   x = allocation.x;
   width = allocation.width;
 
-  if (width > tree_view->priv->hadjustment->page_size)
+  if (width > gtk_adjustment_get_page_size (tree_view->priv->hadjustment))
     {
       /* The column is larger than the horizontal page size.  If the
        * column has cells which can be focussed individually, then we make
@@ -9028,51 +9411,40 @@ gtk_tree_view_clamp_column_visible (GtkTreeView       *tree_view,
        * focus cell is bigger than the page size, we make sure the
        * left-hand side of the cell is visible).
        *
-       * If the column does not have those so-called special cells, we
+       * If the column does not have an activatable cell, we
        * make sure the left-hand side of the column is visible.
        */
 
-      if (focus_to_cell && gtk_tree_view_has_special_cell (tree_view))
+      if (focus_to_cell && gtk_tree_view_has_can_focus_cell (tree_view))
         {
-         GtkTreePath *cursor_path;
-         GdkRectangle background_area, cell_area, focus_area;
-
-         cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-
-         gtk_tree_view_get_cell_area (tree_view,
-                                      cursor_path, column, &cell_area);
-         gtk_tree_view_get_background_area (tree_view,
-                                            cursor_path, column,
-                                            &background_area);
-
-         gtk_tree_path_free (cursor_path);
+          GtkCellArea *cell_area;
+          GtkCellRenderer *focus_cell;
 
-         _gtk_tree_view_column_get_focus_area (column,
-                                               &background_area,
-                                               &cell_area,
-                                               &focus_area);
+          cell_area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column));
+          focus_cell = gtk_cell_area_get_focus_cell (cell_area);
 
-         x = focus_area.x;
-         width = focus_area.width;
-
-         if (width < tree_view->priv->hadjustment->page_size)
-           {
-             if ((tree_view->priv->hadjustment->value + tree_view->priv->hadjustment->page_size) < (x + width))
-               gtk_adjustment_set_value (tree_view->priv->hadjustment,
-                                         x + width - tree_view->priv->hadjustment->page_size);
-             else if (tree_view->priv->hadjustment->value > x)
-               gtk_adjustment_set_value (tree_view->priv->hadjustment, x);
-           }
-       }
+          if (gtk_tree_view_column_cell_get_position (column, focus_cell,
+                                                      &x, &width))
+            {
+              if (width < gtk_adjustment_get_page_size (tree_view->priv->hadjustment))
+                {
+                  if (gtk_adjustment_get_value (tree_view->priv->hadjustment) + gtk_adjustment_get_page_size (tree_view->priv->hadjustment) < x + width)
+                    gtk_adjustment_set_value (tree_view->priv->hadjustment,
+                                              x + width - gtk_adjustment_get_page_size (tree_view->priv->hadjustment));
+                  else if (gtk_adjustment_get_value (tree_view->priv->hadjustment) > x)
+                    gtk_adjustment_set_value (tree_view->priv->hadjustment, x);
+                }
+            }
+        }
 
       gtk_adjustment_set_value (tree_view->priv->hadjustment, x);
     }
   else
     {
-      if ((tree_view->priv->hadjustment->value + tree_view->priv->hadjustment->page_size) < (x + width))
+      if ((gtk_adjustment_get_value (tree_view->priv->hadjustment) + gtk_adjustment_get_page_size (tree_view->priv->hadjustment)) < (x + width))
          gtk_adjustment_set_value (tree_view->priv->hadjustment,
-                                   x + width - tree_view->priv->hadjustment->page_size);
-      else if (tree_view->priv->hadjustment->value > x)
+                                   x + width - gtk_adjustment_get_page_size (tree_view->priv->hadjustment));
+      else if (gtk_adjustment_get_value (tree_view->priv->hadjustment) > x)
        gtk_adjustment_set_value (tree_view->priv->hadjustment, x);
   }
 }
@@ -9080,9 +9452,8 @@ gtk_tree_view_clamp_column_visible (GtkTreeView       *tree_view,
 /* This function could be more efficient.  I'll optimize it if profiling seems
  * to imply that it is important */
 GtkTreePath *
-_gtk_tree_view_find_path (GtkTreeView *tree_view,
-                         GtkRBTree   *tree,
-                         GtkRBNode   *node)
+_gtk_tree_path_new_from_rbtree (GtkRBTree   *tree,
+                               GtkRBNode   *node)
 {
   GtkTreePath *path;
   GtkRBTree *tmp_tree;
@@ -9092,7 +9463,6 @@ _gtk_tree_view_find_path (GtkTreeView *tree_view,
   path = gtk_tree_path_new ();
 
   g_return_val_if_fail (node != NULL, path);
-  g_return_val_if_fail (node != tree->nil, path);
 
   count = 1 + node->left->count;
 
@@ -9101,7 +9471,7 @@ _gtk_tree_view_find_path (GtkTreeView *tree_view,
   tmp_tree = tree;
   while (tmp_tree)
     {
-      while (tmp_node != tmp_tree->nil)
+      while (!_gtk_rbtree_is_nil (tmp_node))
        {
          if (tmp_node->right == last)
            count += 1 + tmp_node->left->count;
@@ -9172,7 +9542,7 @@ gtk_tree_view_is_expander_column (GtkTreeView       *tree_view,
 {
   GList *list;
 
-  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST))
+  if (tree_view->priv->is_list)
     return FALSE;
 
   if (tree_view->priv->expander_column != NULL)
@@ -9194,6 +9564,15 @@ gtk_tree_view_is_expander_column (GtkTreeView       *tree_view,
   return FALSE;
 }
 
+static inline gboolean
+gtk_tree_view_draw_expanders (GtkTreeView *tree_view)
+{
+  if (!tree_view->priv->is_list && tree_view->priv->show_expanders)
+    return TRUE;
+  /* else */
+  return FALSE;
+}
+
 static void
 gtk_tree_view_add_move_binding (GtkBindingSet  *binding_set,
                                guint           keyval,
@@ -9246,15 +9625,12 @@ gtk_tree_view_unref_tree_helper (GtkTreeModel *model,
          GtkRBNode *new_node;
 
          new_tree = node->children;
-         new_node = new_tree->root;
-
-         while (new_node && new_node->left != new_tree->nil)
-           new_node = new_node->left;
+          new_node = _gtk_rbtree_first (new_tree);
 
          if (!gtk_tree_model_iter_children (model, &child, iter))
            return FALSE;
 
-         retval = retval || gtk_tree_view_unref_tree_helper (model, &child, new_tree, new_node);
+         retval = gtk_tree_view_unref_tree_helper (model, &child, new_tree, new_node) | retval;
        }
 
       if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
@@ -9279,12 +9655,10 @@ gtk_tree_view_unref_and_check_selection_tree (GtkTreeView *tree_view,
   if (!tree)
     return FALSE;
 
-  node = tree->root;
-  while (node && node->left != tree->nil)
-    node = node->left;
+  node = _gtk_rbtree_first (tree);
 
   g_return_val_if_fail (node != NULL, FALSE);
-  path = _gtk_tree_view_find_path (tree_view, tree, node);
+  path = _gtk_tree_path_new_from_rbtree (tree, node);
   gtk_tree_model_get_iter (GTK_TREE_MODEL (tree_view->priv->model),
                           &iter, path);
   retval = gtk_tree_view_unref_tree_helper (GTK_TREE_MODEL (tree_view->priv->model), &iter, tree, node);
@@ -9380,11 +9754,16 @@ gtk_tree_view_set_column_drag_info (GtkTreeView       *tree_view,
       if (tmp_list->next != NULL)
        {
           GtkAllocation right_allocation, left_allocation;
+         GtkWidget    *left_button, *right_button;
 
          g_assert (tmp_list->next->data);
 
-          gtk_widget_get_allocation (reorder->right_column->button, &right_allocation);
-          gtk_widget_get_allocation (((GtkTreeViewColumnReorder *)tmp_list->next->data)->left_column->button, &left_allocation);
+         right_button = gtk_tree_view_column_get_button (reorder->right_column);
+         left_button  = gtk_tree_view_column_get_button
+           (((GtkTreeViewColumnReorder *)tmp_list->next->data)->left_column);
+
+          gtk_widget_get_allocation (right_button, &right_allocation);
+          gtk_widget_get_allocation (left_button, &left_allocation);
          left = reorder->right_align = (right_allocation.x + right_allocation.width + left_allocation.x) / 2;
        }
       else
@@ -9404,53 +9783,68 @@ _gtk_tree_view_column_start_drag (GtkTreeView       *tree_view,
   GtkAllocation allocation;
   GtkAllocation button_allocation;
   GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (tree_view));
-  GdkDisplay *display = gdk_screen_get_display (screen);
+  GtkWidget *button;
+  GdkDevice *pointer, *keyboard;
+  GdkWindowAttr attributes;
+  guint attributes_mask;
+  GtkStyleContext *context;
 
   g_return_if_fail (tree_view->priv->column_drag_info == NULL);
   g_return_if_fail (tree_view->priv->cur_reorder == NULL);
+  g_return_if_fail (tree_view->priv->drag_window == NULL);
 
   gtk_tree_view_set_column_drag_info (tree_view, column);
 
   if (tree_view->priv->column_drag_info == NULL)
     return;
 
-  if (tree_view->priv->drag_window == NULL)
-    {
-      GdkWindowAttr attributes;
-      guint attributes_mask;
+  button = gtk_tree_view_column_get_button (column);
 
-      gtk_widget_get_allocation (column->button, &button_allocation);
+  context = gtk_widget_get_style_context (button);
+  gtk_style_context_add_class (context, GTK_STYLE_CLASS_DND);
 
-      attributes.window_type = GDK_WINDOW_CHILD;
-      attributes.wclass = GDK_INPUT_OUTPUT;
-      attributes.x = button_allocation.x;
-      attributes.y = 0;
-      attributes.width = button_allocation.width;
-      attributes.height = button_allocation.height;
-      attributes.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view));
-      attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK;
-      attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
+  gtk_widget_get_allocation (button, &button_allocation);
 
-      tree_view->priv->drag_window = gdk_window_new (tree_view->priv->bin_window,
-                                                    &attributes,
-                                                    attributes_mask);
-      gdk_window_set_user_data (tree_view->priv->drag_window, GTK_WIDGET (tree_view));
+  attributes.window_type = GDK_WINDOW_CHILD;
+  attributes.wclass = GDK_INPUT_OUTPUT;
+  attributes.x = button_allocation.x;
+  attributes.y = 0;
+  attributes.width = button_allocation.width;
+  attributes.height = button_allocation.height;
+  attributes.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view));
+  attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK;
+  attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
+
+  tree_view->priv->drag_window = gdk_window_new (tree_view->priv->header_window,
+                                                 &attributes,
+                                                 attributes_mask);
+  gtk_widget_register_window (GTK_WIDGET (tree_view), tree_view->priv->drag_window);
+
+  if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
+    {
+      keyboard = device;
+      pointer = gdk_device_get_associated_device (device);
+    }
+  else
+    {
+      pointer = device;
+      keyboard = gdk_device_get_associated_device (device);
     }
 
-  gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
-  gdk_display_keyboard_ungrab (display, GDK_CURRENT_TIME);
+  gdk_device_ungrab (pointer, GDK_CURRENT_TIME);
+  gdk_device_ungrab (keyboard, GDK_CURRENT_TIME);
 
-  gtk_grab_remove (column->button);
+  gtk_grab_remove (button);
 
   send_event = gdk_event_new (GDK_LEAVE_NOTIFY);
   send_event->crossing.send_event = TRUE;
-  send_event->crossing.window = g_object_ref (gtk_button_get_event_window (GTK_BUTTON (column->button)));
+  send_event->crossing.window = g_object_ref (gtk_button_get_event_window (GTK_BUTTON (button)));
   send_event->crossing.subwindow = NULL;
   send_event->crossing.detail = GDK_NOTIFY_ANCESTOR;
   send_event->crossing.time = GDK_CURRENT_TIME;
   gdk_event_set_device (send_event, device);
 
-  gtk_propagate_event (column->button, send_event);
+  gtk_propagate_event (button, send_event);
   gdk_event_free (send_event);
 
   send_event = gdk_event_new (GDK_BUTTON_RELEASE);
@@ -9461,27 +9855,27 @@ _gtk_tree_view_column_start_drag (GtkTreeView       *tree_view,
   send_event->button.y = -1;
   send_event->button.axes = NULL;
   send_event->button.state = 0;
-  send_event->button.button = 1;
+  send_event->button.button = GDK_BUTTON_PRIMARY;
   send_event->button.x_root = 0;
   send_event->button.y_root = 0;
   gdk_event_set_device (send_event, device);
 
-  gtk_propagate_event (column->button, send_event);
+  gtk_propagate_event (button, send_event);
   gdk_event_free (send_event);
 
   /* Kids, don't try this at home */
-  g_object_ref (column->button);
-  gtk_container_remove (GTK_CONTAINER (tree_view), column->button);
-  gtk_widget_set_parent_window (column->button, tree_view->priv->drag_window);
-  gtk_widget_set_parent (column->button, GTK_WIDGET (tree_view));
-  g_object_unref (column->button);
+  g_object_ref (button);
+  gtk_container_remove (GTK_CONTAINER (tree_view), button);
+  gtk_widget_set_parent_window (button, tree_view->priv->drag_window);
+  gtk_widget_set_parent (button, GTK_WIDGET (tree_view));
+  g_object_unref (button);
 
-  gtk_widget_get_allocation (column->button, &button_allocation);
+  gtk_widget_get_allocation (button, &button_allocation);
   tree_view->priv->drag_column_x = button_allocation.x;
   allocation = button_allocation;
   allocation.x = 0;
-  gtk_widget_size_allocate (column->button, &allocation);
-  gtk_widget_set_parent_window (column->button, tree_view->priv->drag_window);
+  gtk_widget_size_allocate (button, &allocation);
+  gtk_widget_set_parent_window (button, tree_view->priv->drag_window);
 
   tree_view->priv->drag_column = column;
   gdk_window_show (tree_view->priv->drag_window);
@@ -9490,14 +9884,22 @@ _gtk_tree_view_column_start_drag (GtkTreeView       *tree_view,
   while (gtk_events_pending ())
     gtk_main_iteration ();
 
-  GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG);
-  gdk_pointer_grab (tree_view->priv->drag_window,
-                   FALSE,
-                   GDK_POINTER_MOTION_MASK|GDK_BUTTON_RELEASE_MASK,
-                   NULL, NULL, GDK_CURRENT_TIME);
-  gdk_keyboard_grab (tree_view->priv->drag_window,
-                    FALSE,
-                    GDK_CURRENT_TIME);
+  tree_view->priv->in_column_drag = TRUE;
+
+  gdk_device_grab (pointer,
+                   tree_view->priv->drag_window,
+                   GDK_OWNERSHIP_NONE,
+                   FALSE,
+                   GDK_POINTER_MOTION_MASK|GDK_BUTTON_RELEASE_MASK,
+                   NULL,
+                   GDK_CURRENT_TIME);
+  gdk_device_grab (keyboard,
+                   tree_view->priv->drag_window,
+                   GDK_OWNERSHIP_NONE,
+                   FALSE,
+                   GDK_KEY_PRESS_MASK|GDK_KEY_RELEASE_MASK,
+                   NULL,
+                   GDK_CURRENT_TIME);
 }
 
 static void
@@ -9513,10 +9915,11 @@ gtk_tree_view_queue_draw_arrow (GtkTreeView        *tree_view,
 
   gtk_widget_get_allocation (GTK_WIDGET (tree_view), &allocation);
   rect.x = 0;
-  rect.width = MAX (tree_view->priv->expander_size, MAX (tree_view->priv->width, allocation.width));
+  rect.width = gtk_tree_view_get_expander_size (tree_view);
+  rect.width = MAX (rect.width, MAX (tree_view->priv->width, allocation.width));
 
-  rect.y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node);
-  rect.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
+  rect.y = gtk_tree_view_get_row_y_offset (tree_view, tree, node);
+  rect.height = gtk_tree_view_get_row_height (tree_view, node);
 
   gdk_window_invalidate_rect (tree_view->priv->bin_window, &rect, TRUE);
 }
@@ -9537,8 +9940,8 @@ _gtk_tree_view_queue_draw_node (GtkTreeView        *tree_view,
   rect.x = 0;
   rect.width = MAX (tree_view->priv->width, allocation.width);
 
-  rect.y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node);
-  rect.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
+  rect.y = gtk_tree_view_get_row_y_offset (tree_view, tree, node);
+  rect.height = gtk_tree_view_get_row_height (tree_view, node);
 
   if (clip_rect)
     {
@@ -9554,6 +9957,108 @@ _gtk_tree_view_queue_draw_node (GtkTreeView        *tree_view,
     }
 }
 
+static inline gint
+gtk_tree_view_get_effective_header_height (GtkTreeView *tree_view)
+{
+  if (tree_view->priv->headers_visible)
+    return tree_view->priv->header_height;
+  /* else */
+  return 0;
+}
+
+gint
+_gtk_tree_view_get_header_height (GtkTreeView *tree_view)
+{
+  return tree_view->priv->header_height;
+}
+
+void
+_gtk_tree_view_get_row_separator_func (GtkTreeView                 *tree_view,
+                                      GtkTreeViewRowSeparatorFunc *func,
+                                      gpointer                    *data)
+{
+  *func = tree_view->priv->row_separator_func;
+  *data = tree_view->priv->row_separator_data;
+}
+
+GtkTreePath *
+_gtk_tree_view_get_anchor_path (GtkTreeView *tree_view)
+{
+  if (tree_view->priv->anchor)
+    return gtk_tree_row_reference_get_path (tree_view->priv->anchor);
+
+  return NULL;
+}
+
+void
+_gtk_tree_view_set_anchor_path (GtkTreeView *tree_view,
+                               GtkTreePath *anchor_path)
+{
+  if (tree_view->priv->anchor)
+    {
+      gtk_tree_row_reference_free (tree_view->priv->anchor);
+      tree_view->priv->anchor = NULL;
+    }
+
+  if (anchor_path && tree_view->priv->model)
+    tree_view->priv->anchor =
+      gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), 
+                                       tree_view->priv->model, anchor_path);
+}
+
+GtkRBTree *
+_gtk_tree_view_get_rbtree (GtkTreeView *tree_view)
+{
+  return tree_view->priv->tree;
+}
+
+gboolean
+_gtk_tree_view_get_cursor_node (GtkTreeView  *tree_view,
+                                GtkRBTree   **tree,
+                                GtkRBNode   **node)
+{
+  GtkTreeViewPrivate *priv;
+
+  priv = tree_view->priv;
+
+  if (priv->cursor_node == NULL)
+    return FALSE;
+
+  *tree = priv->cursor_tree;
+  *node = priv->cursor_node;
+
+  return TRUE;
+}
+
+GdkWindow *
+_gtk_tree_view_get_header_window (GtkTreeView *tree_view)
+{
+  return tree_view->priv->header_window;
+}
+
+GtkTreeViewColumn *
+_gtk_tree_view_get_focus_column (GtkTreeView *tree_view)
+{
+  return tree_view->priv->focus_column;
+}
+
+void
+_gtk_tree_view_set_focus_column (GtkTreeView       *tree_view,
+                                GtkTreeViewColumn *column)
+{
+  GtkTreeViewColumn *old_column = tree_view->priv->focus_column;
+
+  if (old_column == column)
+    return;
+
+  tree_view->priv->focus_column = column;
+
+  _gtk_tree_view_accessible_update_focus_column (tree_view, 
+                                                 old_column,
+                                                 column);
+}
+
+
 static void
 gtk_tree_view_queue_draw_path (GtkTreeView        *tree_view,
                                GtkTreePath        *path,
@@ -9574,26 +10079,23 @@ static void
 gtk_tree_view_draw_arrow (GtkTreeView *tree_view,
                           cairo_t     *cr,
                           GtkRBTree   *tree,
-                         GtkRBNode   *node,
-                         /* in bin_window coordinates */
-                         gint         x,
-                         gint         y)
+                         GtkRBNode   *node)
 {
   GdkRectangle area;
-  GtkStateType state;
+  GtkStateFlags state = 0;
+  GtkStyleContext *context;
   GtkWidget *widget;
   gint x_offset = 0;
   gint x2;
   gint vertical_separator;
-  gint expander_size;
-  GtkExpanderStyle expander_style;
+  GtkCellRendererState flags = 0;
 
   widget = GTK_WIDGET (tree_view);
+  context = gtk_widget_get_style_context (widget);
 
   gtk_widget_style_get (widget,
-                       "vertical-separator", &vertical_separator,
-                       NULL);
-  expander_size = tree_view->priv->expander_size - EXPANDER_EXTRA_PADDING;
+                        "vertical-separator", &vertical_separator,
+                        NULL);
 
   if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT))
     return;
@@ -9601,48 +10103,36 @@ gtk_tree_view_draw_arrow (GtkTreeView *tree_view,
   gtk_tree_view_get_arrow_xrange (tree_view, tree, &x_offset, &x2);
 
   area.x = x_offset;
-  area.y = CELL_FIRST_PIXEL (tree_view, tree, node, vertical_separator);
-  area.width = expander_size + 2;
-  area.height = MAX (CELL_HEIGHT (node, vertical_separator), (expander_size - vertical_separator));
+  area.y = gtk_tree_view_get_cell_area_y_offset (tree_view, tree, node,
+                                                 vertical_separator);
+  area.width = x2 - x_offset;
+  area.height = gtk_tree_view_get_cell_area_height (tree_view, node,
+                                                    vertical_separator);
 
-  if (gtk_widget_get_state (widget) == GTK_STATE_INSENSITIVE)
-    {
-      state = GTK_STATE_INSENSITIVE;
-    }
-  else if (node == tree_view->priv->button_pressed_node)
-    {
-      if (x >= area.x && x <= (area.x + area.width) &&
-         y >= area.y && y <= (area.y + area.height))
-        state = GTK_STATE_ACTIVE;
-      else
-        state = GTK_STATE_NORMAL;
-    }
-  else
-    {
-      if (node == tree_view->priv->prelight_node &&
-         GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT))
-       state = GTK_STATE_PRELIGHT;
-      else
-       state = GTK_STATE_NORMAL;
-    }
+  if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
+    flags |= GTK_CELL_RENDERER_SELECTED;
 
-  if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED))
-    expander_style = GTK_EXPANDER_SEMI_EXPANDED;
-  else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED))
-    expander_style = GTK_EXPANDER_SEMI_COLLAPSED;
-  else if (node->children != NULL)
-    expander_style = GTK_EXPANDER_EXPANDED;
+  if (node == tree_view->priv->prelight_node &&
+      tree_view->priv->arrow_prelit)
+    flags |= GTK_CELL_RENDERER_PRELIT;
+
+  state = gtk_cell_renderer_get_state (NULL, widget, flags);
+
+  if (node->children != NULL)
+    state |= GTK_STATE_FLAG_ACTIVE;
   else
-    expander_style = GTK_EXPANDER_COLLAPSED;
+    state &= ~(GTK_STATE_FLAG_ACTIVE);
+
+  gtk_style_context_save (context);
 
-  gtk_paint_expander (gtk_widget_get_style (widget),
-                      cr,
-                      state,
-                      widget,
-                      "treeview",
-                     area.x + area.width / 2,
-                     area.y + area.height / 2,
-                     expander_style);
+  gtk_style_context_set_state (context, state);
+  gtk_style_context_add_class (context, GTK_STYLE_CLASS_EXPANDER);
+
+  gtk_render_expander (context, cr,
+                       area.x, area.y,
+                       area.width, area.height);
+
+  gtk_style_context_restore (context);
 }
 
 static void
@@ -9656,8 +10146,9 @@ gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view)
     return;
 
   cursor_path = NULL;
-  if (tree_view->priv->cursor)
-    cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
+  if (tree_view->priv->cursor_node)
+    cursor_path = _gtk_tree_path_new_from_rbtree (tree_view->priv->cursor_tree,
+                                                  tree_view->priv->cursor_node);
 
   if (cursor_path == NULL)
     {
@@ -9674,8 +10165,7 @@ gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view)
       if (selected_rows)
        {
           cursor_path = gtk_tree_path_copy((const GtkTreePath *)(selected_rows->data));
-         g_list_foreach (selected_rows, (GFunc)gtk_tree_path_free, NULL);
-         g_list_free (selected_rows);
+         g_list_free_full (selected_rows, (GDestroyNotify) gtk_tree_path_free);
         }
       else
        {
@@ -9684,21 +10174,18 @@ gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view)
                                       TRUE, NULL, NULL);
        }
 
-      gtk_tree_row_reference_free (tree_view->priv->cursor);
-      tree_view->priv->cursor = NULL;
-
       if (cursor_path)
        {
-         if (tree_view->priv->selection->type == GTK_SELECTION_MULTIPLE)
-           gtk_tree_view_real_set_cursor (tree_view, cursor_path, FALSE, FALSE);
+         if (gtk_tree_selection_get_mode (tree_view->priv->selection) == GTK_SELECTION_MULTIPLE)
+           gtk_tree_view_real_set_cursor (tree_view, cursor_path, 0);
          else
-           gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, FALSE);
+           gtk_tree_view_real_set_cursor (tree_view, cursor_path, CLEAR_AND_SELECT);
        }
     }
 
   if (cursor_path)
     {
-      GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
+      tree_view->priv->draw_keyfocus = TRUE;
 
       gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL);
       gtk_tree_path_free (cursor_path);
@@ -9710,7 +10197,22 @@ gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view)
            {
              if (gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data)))
                {
-                 tree_view->priv->focus_column = GTK_TREE_VIEW_COLUMN (list->data);
+                 GtkCellArea *cell_area;
+
+                  _gtk_tree_view_set_focus_column (tree_view, GTK_TREE_VIEW_COLUMN (list->data));
+
+                 /* This happens when the treeview initially grabs focus and there
+                  * is no column in focus, here we explicitly focus into the first cell */
+                 cell_area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (tree_view->priv->focus_column));
+                 if (!gtk_cell_area_get_focus_cell (cell_area))
+                    {
+                      gboolean rtl;
+
+                      rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
+                      gtk_cell_area_focus (cell_area,
+                                           rtl ? GTK_DIR_LEFT : GTK_DIR_RIGHT);
+                    }
+
                  break;
                }
            }
@@ -9723,51 +10225,70 @@ gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view,
                                   gint         count)
 {
   gint selection_count;
-  GtkRBTree *cursor_tree = NULL;
-  GtkRBNode *cursor_node = NULL;
   GtkRBTree *new_cursor_tree = NULL;
   GtkRBNode *new_cursor_node = NULL;
   GtkTreePath *cursor_path = NULL;
   gboolean grab_focus = TRUE;
   gboolean selectable;
+  GtkDirectionType direction;
+  GtkCellArea *cell_area = NULL;
+  GtkCellRenderer *last_focus_cell = NULL;
+  GtkTreeIter iter;
 
   if (! gtk_widget_has_focus (GTK_WIDGET (tree_view)))
     return;
 
-  cursor_path = NULL;
-  if (!gtk_tree_row_reference_valid (tree_view->priv->cursor))
-    /* FIXME: we lost the cursor; should we get the first? */
+  if (tree_view->priv->cursor_node == NULL)
     return;
 
-  cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-  _gtk_tree_view_find_node (tree_view, cursor_path,
-                           &cursor_tree, &cursor_node);
+  cursor_path = _gtk_tree_path_new_from_rbtree (tree_view->priv->cursor_tree,
+                                                tree_view->priv->cursor_node);
 
-  if (cursor_tree == NULL)
-    /* FIXME: we lost the cursor; should we get the first? */
-    return;
+  direction = count < 0 ? GTK_DIR_UP : GTK_DIR_DOWN;
+
+  if (tree_view->priv->focus_column)
+    cell_area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (tree_view->priv->focus_column));
+
+  /* If focus stays in the area for this row, then just return for this round */
+  if (cell_area && (count == -1 || count == 1) &&
+      gtk_tree_model_get_iter (tree_view->priv->model, &iter, cursor_path))
+    {
+      gtk_tree_view_column_cell_set_cell_data (tree_view->priv->focus_column,
+                                              tree_view->priv->model,
+                                               &iter,
+                                               GTK_RBNODE_FLAG_SET (tree_view->priv->cursor_node, GTK_RBNODE_IS_PARENT),
+                                              tree_view->priv->cursor_node->children ? TRUE : FALSE);
+
+      /* Save the last cell that had focus, if we hit the end of the view we'll give
+       * focus back to it. */
+      last_focus_cell = gtk_cell_area_get_focus_cell (cell_area);
+
+      /* If focus stays in the area, no need to change the cursor row */
+      if (gtk_cell_area_focus (cell_area, direction))
+       return;
+    }
 
   selection_count = gtk_tree_selection_count_selected_rows (tree_view->priv->selection);
   selectable = _gtk_tree_selection_row_is_selectable (tree_view->priv->selection,
-                                                     cursor_node,
+                                                     tree_view->priv->cursor_node,
                                                      cursor_path);
 
   if (selection_count == 0
-      && tree_view->priv->selection->type != GTK_SELECTION_NONE
-      && !tree_view->priv->ctrl_pressed
+      && gtk_tree_selection_get_mode (tree_view->priv->selection) != GTK_SELECTION_NONE
+      && !tree_view->priv->modify_selection_pressed
       && selectable)
     {
       /* Don't move the cursor, but just select the current node */
-      new_cursor_tree = cursor_tree;
-      new_cursor_node = cursor_node;
+      new_cursor_tree = tree_view->priv->cursor_tree;
+      new_cursor_node = tree_view->priv->cursor_node;
     }
   else
     {
       if (count == -1)
-       _gtk_rbtree_prev_full (cursor_tree, cursor_node,
+       _gtk_rbtree_prev_full (tree_view->priv->cursor_tree, tree_view->priv->cursor_node,
                               &new_cursor_tree, &new_cursor_node);
       else
-       _gtk_rbtree_next_full (cursor_tree, cursor_node,
+       _gtk_rbtree_next_full (tree_view->priv->cursor_tree, tree_view->priv->cursor_node,
                               &new_cursor_tree, &new_cursor_node);
     }
 
@@ -9775,8 +10296,7 @@ gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view,
 
   if (new_cursor_node)
     {
-      cursor_path = _gtk_tree_view_find_path (tree_view,
-                                             new_cursor_tree, new_cursor_node);
+      cursor_path = _gtk_tree_path_new_from_rbtree (new_cursor_tree, new_cursor_node);
 
       search_first_focusable_path (tree_view, &cursor_path,
                                   (count != -1),
@@ -9791,39 +10311,46 @@ gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view,
    * If the list has only one item and multi-selection is set then select
    * the row (if not yet selected).
    */
-  if (tree_view->priv->selection->type == GTK_SELECTION_MULTIPLE &&
+  if (gtk_tree_selection_get_mode (tree_view->priv->selection) == GTK_SELECTION_MULTIPLE &&
       new_cursor_node == NULL)
     {
       if (count == -1)
-        _gtk_rbtree_next_full (cursor_tree, cursor_node,
+        _gtk_rbtree_next_full (tree_view->priv->cursor_tree, tree_view->priv->cursor_node,
                               &new_cursor_tree, &new_cursor_node);
       else
-        _gtk_rbtree_prev_full (cursor_tree, cursor_node,
+        _gtk_rbtree_prev_full (tree_view->priv->cursor_tree, tree_view->priv->cursor_node,
                               &new_cursor_tree, &new_cursor_node);
 
       if (new_cursor_node == NULL
-         && !GTK_RBNODE_FLAG_SET (cursor_node, GTK_RBNODE_IS_SELECTED))
+         && !GTK_RBNODE_FLAG_SET (tree_view->priv->cursor_node, GTK_RBNODE_IS_SELECTED))
         {
-          new_cursor_node = cursor_node;
-          new_cursor_tree = cursor_tree;
+          new_cursor_node = tree_view->priv->cursor_node;
+          new_cursor_tree = tree_view->priv->cursor_tree;
         }
       else
         {
+          new_cursor_tree = NULL;
           new_cursor_node = NULL;
         }
     }
 
   if (new_cursor_node)
     {
-      cursor_path = _gtk_tree_view_find_path (tree_view, new_cursor_tree, new_cursor_node);
-      gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, TRUE);
+      cursor_path = _gtk_tree_path_new_from_rbtree (new_cursor_tree, new_cursor_node);
+      gtk_tree_view_real_set_cursor (tree_view, cursor_path, CLEAR_AND_SELECT | CLAMP_NODE);
       gtk_tree_path_free (cursor_path);
+
+      /* Give focus to the area in the new row */
+      if (cell_area)
+       gtk_cell_area_focus (cell_area, direction);
     }
   else
     {
-      gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node);
+      gtk_tree_view_clamp_node_visible (tree_view, 
+                                        tree_view->priv->cursor_tree,
+                                        tree_view->priv->cursor_node);
 
-      if (!tree_view->priv->shift_pressed)
+      if (!tree_view->priv->extend_selection_pressed)
         {
           if (! gtk_widget_keynav_failed (GTK_WIDGET (tree_view),
                                           count < 0 ?
@@ -9844,6 +10371,9 @@ gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view,
         {
           gtk_widget_error_bell (GTK_WIDGET (tree_view));
         }
+
+      if (cell_area)
+       gtk_cell_area_set_focus_cell (cell_area, last_focus_cell);
     }
 
   if (grab_focus)
@@ -9854,12 +10384,12 @@ static void
 gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view,
                                        gint         count)
 {
-  GtkRBTree *cursor_tree = NULL;
-  GtkRBNode *cursor_node = NULL;
   GtkTreePath *old_cursor_path = NULL;
   GtkTreePath *cursor_path = NULL;
   GtkRBTree *start_cursor_tree = NULL;
   GtkRBNode *start_cursor_node = NULL;
+  GtkRBTree *cursor_tree;
+  GtkRBNode *cursor_node;
   gint y;
   gint window_y;
   gint vertical_separator;
@@ -9867,29 +10397,19 @@ gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view,
   if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
     return;
 
-  if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
-    old_cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-  else
-    /* This is sorta weird.  Focus in should give us a cursor */
+  if (tree_view->priv->cursor_node == NULL)
     return;
 
-  gtk_widget_style_get (GTK_WIDGET (tree_view), "vertical-separator", &vertical_separator, NULL);
-  _gtk_tree_view_find_node (tree_view, old_cursor_path,
-                           &cursor_tree, &cursor_node);
+  old_cursor_path = _gtk_tree_path_new_from_rbtree (tree_view->priv->cursor_tree,
+                                                    tree_view->priv->cursor_node);
 
-  if (cursor_tree == NULL)
-    {
-      /* FIXME: we lost the cursor.  Should we try to get one? */
-      gtk_tree_path_free (old_cursor_path);
-      return;
-    }
-  g_return_if_fail (cursor_node != NULL);
+  gtk_widget_style_get (GTK_WIDGET (tree_view), "vertical-separator", &vertical_separator, NULL);
 
-  y = _gtk_rbtree_node_find_offset (cursor_tree, cursor_node);
+  y = _gtk_rbtree_node_find_offset (tree_view->priv->cursor_tree, tree_view->priv->cursor_node);
   window_y = RBTREE_Y_TO_TREE_WINDOW_Y (tree_view, y);
   y += tree_view->priv->cursor_offset;
-  y += count * (int)tree_view->priv->vadjustment->page_increment;
-  y = CLAMP (y, (gint)tree_view->priv->vadjustment->lower,  (gint)tree_view->priv->vadjustment->upper - vertical_separator);
+  y += count * (int)gtk_adjustment_get_page_increment (tree_view->priv->vadjustment);
+  y = CLAMP (y, (gint)gtk_adjustment_get_lower (tree_view->priv->vadjustment),  (gint)gtk_adjustment_get_upper (tree_view->priv->vadjustment) - vertical_separator);
 
   if (y >= tree_view->priv->height)
     y = tree_view->priv->height - 1;
@@ -9905,15 +10425,16 @@ gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view,
       return;
     }
 
-  if (tree_view->priv->cursor_offset > BACKGROUND_HEIGHT (cursor_node))
+  if (tree_view->priv->cursor_offset
+      > gtk_tree_view_get_row_height (tree_view, cursor_node))
     {
       _gtk_rbtree_next_full (cursor_tree, cursor_node,
                             &cursor_tree, &cursor_node);
-      tree_view->priv->cursor_offset -= BACKGROUND_HEIGHT (cursor_node);
+      tree_view->priv->cursor_offset -= gtk_tree_view_get_row_height (tree_view, cursor_node);
     }
 
   y -= tree_view->priv->cursor_offset;
-  cursor_path = _gtk_tree_view_find_path (tree_view, cursor_tree, cursor_node);
+  cursor_path = _gtk_tree_path_new_from_rbtree (cursor_tree, cursor_node);
 
   start_cursor_tree = cursor_tree;
   start_cursor_node = cursor_node;
@@ -9928,7 +10449,7 @@ gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view,
        */
       cursor_tree = start_cursor_tree;
       cursor_node = start_cursor_node;
-      cursor_path = _gtk_tree_view_find_path (tree_view, cursor_tree, cursor_node);
+      cursor_path = _gtk_tree_path_new_from_rbtree (cursor_tree, cursor_node);
 
       search_first_focusable_path (tree_view, &cursor_path,
                                   (count == -1),
@@ -9941,7 +10462,7 @@ gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view,
   /* update y */
   y = _gtk_rbtree_node_find_offset (cursor_tree, cursor_node);
 
-  gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, FALSE);
+  gtk_tree_view_real_set_cursor (tree_view, cursor_path, CLEAR_AND_SELECT);
 
   y -= window_y;
   gtk_tree_view_scroll_to_point (tree_view, -1, y);
@@ -9962,28 +10483,28 @@ static void
 gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view,
                                      gint         count)
 {
-  GtkRBTree *cursor_tree = NULL;
-  GtkRBNode *cursor_node = NULL;
   GtkTreePath *cursor_path = NULL;
   GtkTreeViewColumn *column;
   GtkTreeIter iter;
   GList *list;
   gboolean found_column = FALSE;
   gboolean rtl;
+  GtkDirectionType direction;
+  GtkCellArea     *cell_area;
+  GtkCellRenderer *last_focus_cell = NULL;
+  GtkCellArea     *last_focus_area = NULL;
 
   rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
 
   if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
     return;
 
-  if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
-    cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-  else
+  if (tree_view->priv->cursor_node == NULL)
     return;
 
-  _gtk_tree_view_find_node (tree_view, cursor_path, &cursor_tree, &cursor_node);
-  if (cursor_tree == NULL)
-    return;
+  cursor_path = _gtk_tree_path_new_from_rbtree (tree_view->priv->cursor_tree,
+                                                tree_view->priv->cursor_node);
+
   if (gtk_tree_model_get_iter (tree_view->priv->model, &iter, cursor_path) == FALSE)
     {
       gtk_tree_path_free (cursor_path);
@@ -9994,6 +10515,11 @@ gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view,
   list = rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns);
   if (tree_view->priv->focus_column)
     {
+      /* Save the cell/area we are moving focus from, if moving the cursor
+       * by one step hits the end we'll set focus back here */
+      last_focus_area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (tree_view->priv->focus_column));
+      last_focus_cell = gtk_cell_area_get_focus_cell (last_focus_area);
+
       for (; list; list = (rtl ? list->prev : list->next))
        {
          if (list->data == tree_view->priv->focus_column)
@@ -10001,10 +10527,10 @@ gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view,
        }
     }
 
+  direction = count > 0 ? GTK_DIR_RIGHT : GTK_DIR_LEFT;
+
   while (list)
     {
-      gboolean left, right;
-
       column = list->data;
       if (gtk_tree_view_column_get_visible (column) == FALSE)
        goto loop_end;
@@ -10012,26 +10538,17 @@ gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view,
       gtk_tree_view_column_cell_set_cell_data (column,
                                               tree_view->priv->model,
                                               &iter,
-                                              GTK_RBNODE_FLAG_SET (cursor_node, GTK_RBNODE_IS_PARENT),
-                                              cursor_node->children?TRUE:FALSE);
+                                              GTK_RBNODE_FLAG_SET (tree_view->priv->cursor_node, GTK_RBNODE_IS_PARENT),
+                                              tree_view->priv->cursor_node->children ? TRUE : FALSE);
 
-      if (rtl)
-        {
-         right = list->prev ? TRUE : FALSE;
-         left = list->next ? TRUE : FALSE;
-       }
-      else
-        {
-         left = list->prev ? TRUE : FALSE;
-         right = list->next ? TRUE : FALSE;
-        }
-
-      if (_gtk_tree_view_column_cell_focus (column, count, left, right))
+      cell_area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column));
+      if (gtk_cell_area_focus (cell_area, direction))
        {
-         tree_view->priv->focus_column = column;
+          _gtk_tree_view_set_focus_column (tree_view, column);
          found_column = TRUE;
          break;
        }
+
     loop_end:
       if (count == 1)
        list = rtl ? list->prev : list->next;
@@ -10041,10 +10558,10 @@ gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view,
 
   if (found_column)
     {
-      if (!gtk_tree_view_has_special_cell (tree_view))
+      if (!gtk_tree_view_has_can_focus_cell (tree_view))
        _gtk_tree_view_queue_draw_node (tree_view,
-                                       cursor_tree,
-                                       cursor_node,
+                                       tree_view->priv->cursor_tree,
+                                       tree_view->priv->cursor_node,
                                        NULL);
       g_signal_emit (tree_view, tree_view_signals[CURSOR_CHANGED], 0);
       gtk_widget_grab_focus (GTK_WIDGET (tree_view));
@@ -10052,6 +10569,9 @@ gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view,
   else
     {
       gtk_widget_error_bell (GTK_WIDGET (tree_view));
+
+      if (last_focus_area)
+       gtk_cell_area_set_focus_cell (last_focus_area, last_focus_cell);
     }
 
   gtk_tree_view_clamp_column_visible (tree_view,
@@ -10075,23 +10595,23 @@ gtk_tree_view_move_cursor_start_end (GtkTreeView *tree_view,
   gtk_tree_view_get_cursor (tree_view, &old_path, NULL);
 
   cursor_tree = tree_view->priv->tree;
-  cursor_node = cursor_tree->root;
 
   if (count == -1)
     {
-      while (cursor_node && cursor_node->left != cursor_tree->nil)
-       cursor_node = cursor_node->left;
+      cursor_node = _gtk_rbtree_first (cursor_tree);
 
       /* Now go forward to find the first focusable row. */
-      path = _gtk_tree_view_find_path (tree_view, cursor_tree, cursor_node);
+      path = _gtk_tree_path_new_from_rbtree (cursor_tree, cursor_node);
       search_first_focusable_path (tree_view, &path,
                                   TRUE, &cursor_tree, &cursor_node);
     }
   else
     {
+      cursor_node = cursor_tree->root;
+
       do
        {
-         while (cursor_node && cursor_node->right != cursor_tree->nil)
+         while (cursor_node && !_gtk_rbtree_is_nil (cursor_node->right))
            cursor_node = cursor_node->right;
          if (cursor_node->children == NULL)
            break;
@@ -10102,7 +10622,7 @@ gtk_tree_view_move_cursor_start_end (GtkTreeView *tree_view,
       while (1);
 
       /* Now go backwards to find last focusable row. */
-      path = _gtk_tree_view_find_path (tree_view, cursor_tree, cursor_node);
+      path = _gtk_tree_path_new_from_rbtree (cursor_tree, cursor_node);
       search_first_focusable_path (tree_view, &path,
                                   FALSE, &cursor_tree, &cursor_node);
     }
@@ -10112,7 +10632,7 @@ gtk_tree_view_move_cursor_start_end (GtkTreeView *tree_view,
 
   if (gtk_tree_path_compare (old_path, path))
     {
-      gtk_tree_view_real_set_cursor (tree_view, path, TRUE, TRUE);
+      gtk_tree_view_real_set_cursor (tree_view, path, CLEAR_AND_SELECT | CLAMP_NODE);
       gtk_widget_grab_focus (GTK_WIDGET (tree_view));
     }
   else
@@ -10131,7 +10651,7 @@ gtk_tree_view_real_select_all (GtkTreeView *tree_view)
   if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
     return FALSE;
 
-  if (tree_view->priv->selection->type != GTK_SELECTION_MULTIPLE)
+  if (gtk_tree_selection_get_mode (tree_view->priv->selection) != GTK_SELECTION_MULTIPLE)
     return FALSE;
 
   gtk_tree_selection_select_all (tree_view->priv->selection);
@@ -10145,7 +10665,7 @@ gtk_tree_view_real_unselect_all (GtkTreeView *tree_view)
   if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
     return FALSE;
 
-  if (tree_view->priv->selection->type != GTK_SELECTION_MULTIPLE)
+  if (gtk_tree_selection_get_mode (tree_view->priv->selection) != GTK_SELECTION_MULTIPLE)
     return FALSE;
 
   gtk_tree_selection_unselect_all (tree_view->priv->selection);
@@ -10167,12 +10687,12 @@ gtk_tree_view_real_select_cursor_row (GtkTreeView *tree_view,
   if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
     return FALSE;
 
-  if (tree_view->priv->cursor)
-    cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-
-  if (cursor_path == NULL)
+  if (tree_view->priv->cursor_node == NULL)
     return FALSE;
 
+  cursor_path = _gtk_tree_path_new_from_rbtree (tree_view->priv->cursor_tree,
+                                                tree_view->priv->cursor_node);
+
   _gtk_tree_view_find_node (tree_view, cursor_path,
                            &cursor_tree, &cursor_node);
 
@@ -10182,19 +10702,19 @@ gtk_tree_view_real_select_cursor_row (GtkTreeView *tree_view,
       return FALSE;
     }
 
-  if (!tree_view->priv->shift_pressed && start_editing &&
+  if (!tree_view->priv->extend_selection_pressed && start_editing &&
       tree_view->priv->focus_column)
     {
-      if (gtk_tree_view_start_editing (tree_view, cursor_path))
+      if (gtk_tree_view_start_editing (tree_view, cursor_path, FALSE))
        {
          gtk_tree_path_free (cursor_path);
          return TRUE;
        }
     }
 
-  if (tree_view->priv->ctrl_pressed)
+  if (tree_view->priv->modify_selection_pressed)
     mode |= GTK_TREE_SELECT_MODE_TOGGLE;
-  if (tree_view->priv->shift_pressed)
+  if (tree_view->priv->extend_selection_pressed)
     mode |= GTK_TREE_SELECT_MODE_EXTEND;
 
   _gtk_tree_selection_internal_select_node (tree_view->priv->selection,
@@ -10218,7 +10738,7 @@ gtk_tree_view_real_select_cursor_row (GtkTreeView *tree_view,
   gtk_widget_grab_focus (GTK_WIDGET (tree_view));
   _gtk_tree_view_queue_draw_node (tree_view, cursor_tree, cursor_node, NULL);
 
-  if (!tree_view->priv->shift_pressed)
+  if (!tree_view->priv->extend_selection_pressed)
     gtk_tree_view_row_activated (tree_view, cursor_path,
                                  tree_view->priv->focus_column);
     
@@ -10232,31 +10752,20 @@ gtk_tree_view_real_toggle_cursor_row (GtkTreeView *tree_view)
 {
   GtkRBTree *new_tree = NULL;
   GtkRBNode *new_node = NULL;
-  GtkRBTree *cursor_tree = NULL;
-  GtkRBNode *cursor_node = NULL;
   GtkTreePath *cursor_path = NULL;
 
   if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
     return FALSE;
 
-  cursor_path = NULL;
-  if (tree_view->priv->cursor)
-    cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-
-  if (cursor_path == NULL)
+  if (tree_view->priv->cursor_node == NULL)
     return FALSE;
 
-  _gtk_tree_view_find_node (tree_view, cursor_path,
-                           &cursor_tree, &cursor_node);
-  if (cursor_tree == NULL)
-    {
-      gtk_tree_path_free (cursor_path);
-      return FALSE;
-    }
+  cursor_path = _gtk_tree_path_new_from_rbtree (tree_view->priv->cursor_tree,
+                                                tree_view->priv->cursor_node);
 
   _gtk_tree_selection_internal_select_node (tree_view->priv->selection,
-                                           cursor_node,
-                                           cursor_tree,
+                                           tree_view->priv->cursor_node,
+                                           tree_view->priv->cursor_tree,
                                            cursor_path,
                                             GTK_TREE_SELECT_MODE_TOGGLE,
                                            FALSE);
@@ -10267,10 +10776,12 @@ gtk_tree_view_real_toggle_cursor_row (GtkTreeView *tree_view)
    */
   _gtk_tree_view_find_node (tree_view, cursor_path, &new_tree, &new_node);
 
-  if (cursor_tree != new_tree || cursor_node != new_node)
+  if (tree_view->priv->cursor_node != new_node)
     return FALSE;
 
-  gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node);
+  gtk_tree_view_clamp_node_visible (tree_view,
+                                    tree_view->priv->cursor_tree,
+                                    tree_view->priv->cursor_node);
 
   gtk_widget_grab_focus (GTK_WIDGET (tree_view));
   gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL);
@@ -10286,24 +10797,18 @@ gtk_tree_view_real_expand_collapse_cursor_row (GtkTreeView *tree_view,
                                               gboolean     open_all)
 {
   GtkTreePath *cursor_path = NULL;
-  GtkRBTree *tree;
-  GtkRBNode *node;
 
   if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
     return FALSE;
 
-  cursor_path = NULL;
-  if (tree_view->priv->cursor)
-    cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-
-  if (cursor_path == NULL)
+  if (tree_view->priv->cursor_node == NULL)
     return FALSE;
 
-  if (_gtk_tree_view_find_node (tree_view, cursor_path, &tree, &node))
-    return FALSE;
+  cursor_path = _gtk_tree_path_new_from_rbtree (tree_view->priv->cursor_tree,
+                                                tree_view->priv->cursor_node);
 
   /* Don't handle the event if we aren't an expander */
-  if (!((node->flags & GTK_RBNODE_IS_PARENT) == GTK_RBNODE_IS_PARENT))
+  if (!GTK_RBNODE_FLAG_SET (tree_view->priv->cursor_node, GTK_RBNODE_IS_PARENT))
     return FALSE;
 
   if (!logical
@@ -10311,9 +10816,18 @@ gtk_tree_view_real_expand_collapse_cursor_row (GtkTreeView *tree_view,
     expand = !expand;
 
   if (expand)
-    gtk_tree_view_real_expand_row (tree_view, cursor_path, tree, node, open_all, TRUE);
+    gtk_tree_view_real_expand_row (tree_view,
+                                   cursor_path,
+                                   tree_view->priv->cursor_tree,
+                                   tree_view->priv->cursor_node,
+                                   open_all,
+                                   TRUE);
   else
-    gtk_tree_view_real_collapse_row (tree_view, cursor_path, tree, node, TRUE);
+    gtk_tree_view_real_collapse_row (tree_view,
+                                     cursor_path,
+                                     tree_view->priv->cursor_tree,
+                                     tree_view->priv->cursor_node,
+                                     TRUE);
 
   gtk_tree_path_free (cursor_path);
 
@@ -10323,51 +10837,42 @@ gtk_tree_view_real_expand_collapse_cursor_row (GtkTreeView *tree_view,
 static gboolean
 gtk_tree_view_real_select_cursor_parent (GtkTreeView *tree_view)
 {
-  GtkRBTree *cursor_tree = NULL;
-  GtkRBNode *cursor_node = NULL;
   GtkTreePath *cursor_path = NULL;
   GdkModifierType state;
 
   if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
     goto out;
 
-  cursor_path = NULL;
-  if (tree_view->priv->cursor)
-    cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-
-  if (cursor_path == NULL)
+  if (tree_view->priv->cursor_node == NULL)
     goto out;
 
-  _gtk_tree_view_find_node (tree_view, cursor_path,
-                           &cursor_tree, &cursor_node);
-  if (cursor_tree == NULL)
-    {
-      gtk_tree_path_free (cursor_path);
-      goto out;
-    }
+  cursor_path = _gtk_tree_path_new_from_rbtree (tree_view->priv->cursor_tree,
+                                                tree_view->priv->cursor_node);
 
-  if (cursor_tree->parent_node)
+  if (tree_view->priv->cursor_tree->parent_node)
     {
       gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL);
-      cursor_node = cursor_tree->parent_node;
-      cursor_tree = cursor_tree->parent_tree;
 
       gtk_tree_path_up (cursor_path);
 
       if (gtk_get_current_event_state (&state))
        {
-         if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
-           tree_view->priv->ctrl_pressed = TRUE;
+          GdkModifierType modify_mod_mask;
+
+          modify_mod_mask =
+            gtk_widget_get_modifier_mask (GTK_WIDGET (tree_view),
+                                          GDK_MODIFIER_INTENT_MODIFY_SELECTION);
+
+         if ((state & modify_mod_mask) == modify_mod_mask)
+           tree_view->priv->modify_selection_pressed = TRUE;
        }
 
-      gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, FALSE);
-      gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node);
+      gtk_tree_view_real_set_cursor (tree_view, cursor_path, CLEAR_AND_SELECT | CLAMP_NODE);
+      gtk_tree_path_free (cursor_path);
 
       gtk_widget_grab_focus (GTK_WIDGET (tree_view));
-      gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL);
-      gtk_tree_path_free (cursor_path);
 
-      tree_view->priv->ctrl_pressed = FALSE;
+      tree_view->priv->modify_selection_pressed = FALSE;
 
       return TRUE;
     }
@@ -10430,6 +10935,8 @@ send_focus_change (GtkWidget *widget,
 
       gdk_event_free (fevent);
     }
+
+  g_list_free (devices);
 }
 
 static void
@@ -10541,12 +11048,14 @@ gtk_tree_view_real_start_interactive_search (GtkTreeView *tree_view,
   for (list = tree_view->priv->columns; list; list = list->next)
     {
       GtkTreeViewColumn *column;
+      GtkWidget         *button;
 
       column = list->data;
       if (!gtk_tree_view_column_get_visible (column))
        continue;
 
-      if (gtk_widget_has_focus (column->button))
+      button = gtk_tree_view_column_get_button (column);
+      if (gtk_widget_has_focus (button))
        {
          found_focus = TRUE;
          break;
@@ -10606,50 +11115,6 @@ gtk_tree_view_start_interactive_search (GtkTreeView *tree_view)
                                                       TRUE);
 }
 
-/* this function returns the new width of the column being resized given
- * the column and x position of the cursor; the x cursor position is passed
- * in as a pointer and automagicly corrected if it's beyond min/max limits
- */
-static gint
-gtk_tree_view_new_column_width (GtkTreeView *tree_view,
-                               gint       i,
-                               gint      *x)
-{
-  GtkAllocation allocation;
-  GtkTreeViewColumn *column;
-  GtkRequisition button_req;
-  gint max_width, min_width;
-  gint width;
-  gboolean rtl;
-
-  /* first translate the x position from widget->window
-   * to clist->clist_window
-   */
-  rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
-  column = g_list_nth (tree_view->priv->columns, i)->data;
-  gtk_widget_get_allocation (column->button, &allocation);
-  width = rtl ? (allocation.x + allocation.width - *x) : (*x - allocation.x);
-
-  /* Clamp down the value */
-  min_width = gtk_tree_view_column_get_min_width (column);
-  if (min_width == -1)
-    {
-      gtk_widget_get_preferred_size (column->button, &button_req, NULL);
-      width = MAX (button_req.width, width);
-    }
-  else
-    width = MAX (min_width, width);
-
-  max_width = gtk_tree_view_column_get_max_width (column);
-  if (max_width != -1)
-    width = MIN (width, max_width);
-
-  *x = rtl ? (allocation.x + allocation.width - width) : (allocation.x + width);
-
-  return width;
-}
-
-
 /* FIXME this adjust_allocation is a big cut-and-paste from
  * GtkCList, needs to be some "official" way to do this
  * factored out.
@@ -10734,52 +11199,53 @@ gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment,
       gint dy;
        
       gdk_window_move (tree_view->priv->bin_window,
-                      - tree_view->priv->hadjustment->value,
-                      TREE_VIEW_HEADER_HEIGHT (tree_view));
+                      - gtk_adjustment_get_value (tree_view->priv->hadjustment),
+                      gtk_tree_view_get_effective_header_height (tree_view));
       gdk_window_move (tree_view->priv->header_window,
-                      - tree_view->priv->hadjustment->value,
+                      - gtk_adjustment_get_value (tree_view->priv->hadjustment),
                       0);
-      dy = tree_view->priv->dy - (int) tree_view->priv->vadjustment->value;
+      dy = tree_view->priv->dy - (int) gtk_adjustment_get_value (tree_view->priv->vadjustment);
       if (dy)
        {
           update_prelight (tree_view,
                            tree_view->priv->event_last_x,
                            tree_view->priv->event_last_y - dy);
 
-         if (tree_view->priv->edited_column &&
-              GTK_IS_WIDGET (tree_view->priv->edited_column->editable_widget))
+         if (tree_view->priv->edited_column)
            {
              GList *list;
-             GtkWidget *widget;
              GtkTreeViewChild *child = NULL;
+              GtkCellEditable *edit_widget;
+             GtkCellArea *area;
 
-             widget = GTK_WIDGET (tree_view->priv->edited_column->editable_widget);
-             adjust_allocation (widget, 0, dy); 
-             
-             for (list = tree_view->priv->children; list; list = list->next)
-               {
-                 child = (GtkTreeViewChild *)list->data;
-                 if (child->widget == widget)
-                   {
-                     child->y += dy;
-                     break;
-                   }
-               }
+             area        = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (tree_view->priv->edited_column));
+              edit_widget = gtk_cell_area_get_edit_widget (area);
+              if (GTK_IS_WIDGET (edit_widget))
+                {
+                  adjust_allocation (GTK_WIDGET (edit_widget), 0, dy);
+
+                  for (list = tree_view->priv->children; list; list = list->next)
+                    {
+                      child = (GtkTreeViewChild *)list->data;
+                      if (child->widget == GTK_WIDGET (edit_widget))
+                        {
+                          child->y += dy;
+                          break;
+                        }
+                    }
+                }
            }
        }
       gdk_window_scroll (tree_view->priv->bin_window, 0, dy);
 
-      if (tree_view->priv->dy != (int) tree_view->priv->vadjustment->value)
+      if (tree_view->priv->dy != (int) gtk_adjustment_get_value (tree_view->priv->vadjustment))
         {
           /* update our dy and top_row */
-          tree_view->priv->dy = (int) tree_view->priv->vadjustment->value;
+          tree_view->priv->dy = (int) gtk_adjustment_get_value (tree_view->priv->vadjustment);
 
           if (!tree_view->priv->in_top_row_to_dy)
             gtk_tree_view_dy_to_top_row (tree_view);
        }
-
-      gdk_window_process_updates (tree_view->priv->header_window, TRUE);
-      gtk_tree_view_bin_process_updates (tree_view);
     }
 }
 
@@ -10837,7 +11303,7 @@ gtk_tree_view_get_model (GtkTreeView *tree_view)
 
 /**
  * gtk_tree_view_set_model:
- * @tree_view: A #GtkTreeNode.
+ * @tree_view: A #GtkTreeView.
  * @model: (allow-none): The model.
  *
  * Sets the model for a #GtkTreeView.  If the @tree_view already has a model
@@ -10860,6 +11326,9 @@ gtk_tree_view_set_model (GtkTreeView  *tree_view,
       tree_view->priv->scroll_to_path = NULL;
     }
 
+  if (tree_view->priv->rubber_band_status)
+    gtk_tree_view_stop_rubber_band (tree_view);
+
   if (tree_view->priv->model)
     {
       GList *tmplist = tree_view->priv->columns;
@@ -10867,8 +11336,6 @@ gtk_tree_view_set_model (GtkTreeView  *tree_view,
       gtk_tree_view_unref_and_check_selection_tree (tree_view, tree_view->priv->tree);
       gtk_tree_view_stop_editing (tree_view, TRUE);
 
-      remove_expand_collapse_timeout (tree_view);
-
       g_signal_handlers_disconnect_by_func (tree_view->priv->model,
                                            gtk_tree_view_row_changed,
                                            tree_view);
@@ -10894,8 +11361,6 @@ gtk_tree_view_set_model (GtkTreeView  *tree_view,
 
       gtk_tree_row_reference_free (tree_view->priv->drag_dest_row);
       tree_view->priv->drag_dest_row = NULL;
-      gtk_tree_row_reference_free (tree_view->priv->cursor);
-      tree_view->priv->cursor = NULL;
       gtk_tree_row_reference_free (tree_view->priv->anchor);
       tree_view->priv->anchor = NULL;
       gtk_tree_row_reference_free (tree_view->priv->top_row);
@@ -10962,15 +11427,16 @@ gtk_tree_view_set_model (GtkTreeView  *tree_view,
 
       flags = gtk_tree_model_get_flags (tree_view->priv->model);
       if ((flags & GTK_TREE_MODEL_LIST_ONLY) == GTK_TREE_MODEL_LIST_ONLY)
-        GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_IS_LIST);
+        tree_view->priv->is_list = TRUE;
       else
-        GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IS_LIST);
+        tree_view->priv->is_list = FALSE;
 
       path = gtk_tree_path_new_first ();
       if (gtk_tree_model_get_iter (tree_view->priv->model, &iter, path))
        {
          tree_view->priv->tree = _gtk_rbtree_new ();
          gtk_tree_view_build_tree (tree_view, tree_view->priv->tree, &iter, 1, FALSE);
+          _gtk_tree_view_accessible_add (tree_view, tree_view->priv->tree, NULL);
        }
       gtk_tree_path_free (path);
 
@@ -10978,6 +11444,8 @@ gtk_tree_view_set_model (GtkTreeView  *tree_view,
       install_presize_handler (tree_view);
     }
 
+  gtk_tree_view_real_set_cursor (tree_view, NULL, CURSOR_INVALID);
+
   g_object_notify (G_OBJECT (tree_view), "model");
 
   if (tree_view->priv->selection)
@@ -11019,6 +11487,12 @@ gtk_tree_view_get_hadjustment (GtkTreeView *tree_view)
 {
   g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
 
+  return gtk_tree_view_do_get_hadjustment (tree_view);
+}
+
+static GtkAdjustment *
+gtk_tree_view_do_get_hadjustment (GtkTreeView *tree_view)
+{
   return tree_view->priv->hadjustment;
 }
 
@@ -11035,11 +11509,18 @@ void
 gtk_tree_view_set_hadjustment (GtkTreeView   *tree_view,
                                GtkAdjustment *adjustment)
 {
-  GtkTreeViewPrivate *priv = tree_view->priv;
-
   g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
   g_return_if_fail (adjustment == NULL || GTK_IS_ADJUSTMENT (adjustment));
 
+  gtk_tree_view_do_set_hadjustment (tree_view, adjustment);
+}
+
+static void
+gtk_tree_view_do_set_hadjustment (GtkTreeView   *tree_view,
+                                  GtkAdjustment *adjustment)
+{
+  GtkTreeViewPrivate *priv = tree_view->priv;
+
   if (adjustment && priv->hadjustment == adjustment)
     return;
 
@@ -11082,6 +11563,12 @@ gtk_tree_view_get_vadjustment (GtkTreeView *tree_view)
 {
   g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
 
+  return gtk_tree_view_do_get_vadjustment (tree_view);
+}
+
+static GtkAdjustment *
+gtk_tree_view_do_get_vadjustment (GtkTreeView *tree_view)
+{
   return tree_view->priv->vadjustment;
 }
 
@@ -11098,11 +11585,18 @@ void
 gtk_tree_view_set_vadjustment (GtkTreeView   *tree_view,
                                GtkAdjustment *adjustment)
 {
-  GtkTreeViewPrivate *priv = tree_view->priv;
-
   g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
   g_return_if_fail (adjustment == NULL || GTK_IS_ADJUSTMENT (adjustment));
 
+  gtk_tree_view_do_set_vadjustment (tree_view, adjustment);
+}
+
+static void
+gtk_tree_view_do_set_vadjustment (GtkTreeView   *tree_view,
+                                  GtkAdjustment *adjustment)
+{
+  GtkTreeViewPrivate *priv = tree_view->priv;
+
   if (adjustment && priv->vadjustment == adjustment)
     return;
 
@@ -11143,7 +11637,7 @@ gtk_tree_view_get_headers_visible (GtkTreeView *tree_view)
 {
   g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
 
-  return GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE);
+  return tree_view->priv->headers_visible;
 }
 
 /**
@@ -11161,18 +11655,16 @@ gtk_tree_view_set_headers_visible (GtkTreeView *tree_view,
   GList *list;
   GtkTreeViewColumn *column;
   GtkAllocation allocation;
+  GtkWidget *button;
 
   g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
 
   headers_visible = !! headers_visible;
 
-  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE) == headers_visible)
+  if (tree_view->priv->headers_visible == headers_visible)
     return;
 
-  if (headers_visible)
-    GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE);
-  else
-    GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE);
+  tree_view->priv->headers_visible = headers_visible == TRUE;
 
   if (gtk_widget_get_realized (GTK_WIDGET (tree_view)))
     {
@@ -11181,8 +11673,8 @@ gtk_tree_view_set_headers_visible (GtkTreeView *tree_view,
        {
           gtk_widget_get_allocation (GTK_WIDGET (tree_view), &allocation);
          gdk_window_move_resize (tree_view->priv->bin_window,
-                                  x, y  + TREE_VIEW_HEADER_HEIGHT (tree_view),
-                                  tree_view->priv->width, allocation.height -  + TREE_VIEW_HEADER_HEIGHT (tree_view));
+                                  x, y  + gtk_tree_view_get_effective_header_height (tree_view),
+                                  tree_view->priv->width, allocation.height -  + gtk_tree_view_get_effective_header_height (tree_view));
 
           if (gtk_widget_get_mapped (GTK_WIDGET (tree_view)))
             gtk_tree_view_map_buttons (tree_view);
@@ -11194,18 +11686,23 @@ gtk_tree_view_set_headers_visible (GtkTreeView *tree_view,
          for (list = tree_view->priv->columns; list; list = list->next)
            {
              column = list->data;
-             gtk_widget_unmap (column->button);
+             button = gtk_tree_view_column_get_button (column);
+
+              gtk_widget_hide (button);
+             gtk_widget_unmap (button);
            }
          gdk_window_hide (tree_view->priv->header_window);
        }
     }
 
   gtk_widget_get_allocation (GTK_WIDGET (tree_view), &allocation);
-  tree_view->priv->vadjustment->page_size = allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view);
-  tree_view->priv->vadjustment->page_increment = (allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view)) / 2;
-  tree_view->priv->vadjustment->lower = 0;
-  tree_view->priv->vadjustment->upper = tree_view->priv->height;
-  gtk_adjustment_changed (tree_view->priv->vadjustment);
+  gtk_adjustment_configure (tree_view->priv->vadjustment,
+                            gtk_adjustment_get_value (tree_view->priv->vadjustment),
+                            0,
+                            tree_view->priv->height,
+                            gtk_adjustment_get_step_increment (tree_view->priv->vadjustment),
+                            (allocation.height - gtk_tree_view_get_effective_header_height (tree_view)) / 2,
+                            allocation.height - gtk_tree_view_get_effective_header_height (tree_view));
 
   gtk_widget_queue_resize (GTK_WIDGET (tree_view));
 
@@ -11288,7 +11785,7 @@ gtk_tree_view_get_headers_clickable (GtkTreeView *tree_view)
 }
 
 /**
- * gtk_tree_view_set_rules_hint
+ * gtk_tree_view_set_rules_hint:
  * @tree_view: a #GtkTreeView
  * @setting: %TRUE if the tree requires reading across rows
  *
@@ -11324,7 +11821,7 @@ gtk_tree_view_set_rules_hint (GtkTreeView  *tree_view,
 }
 
 /**
- * gtk_tree_view_get_rules_hint
+ * gtk_tree_view_get_rules_hint:
  * @tree_view: a #GtkTreeView
  *
  * Gets the setting set by gtk_tree_view_set_rules_hint().
@@ -11339,6 +11836,50 @@ gtk_tree_view_get_rules_hint (GtkTreeView  *tree_view)
   return tree_view->priv->has_rules;
 }
 
+
+/**
+ * gtk_tree_view_set_activate_on_single_click:
+ * @tree_view: a #GtkTreeView
+ * @single: %TRUE to emit row-activated on a single click
+ *
+ * Cause the #GtkTreeView::row-activated signal to be emitted
+ * on a single click instead of a double click.
+ *
+ * Since: 3.8
+ **/
+void
+gtk_tree_view_set_activate_on_single_click (GtkTreeView *tree_view,
+                                            gboolean     single)
+{
+  g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
+
+  single = single != FALSE;
+
+  if (tree_view->priv->activate_on_single_click == single)
+    return;
+
+  tree_view->priv->activate_on_single_click = single;
+  g_object_notify (G_OBJECT (tree_view), "activate-on-single-click");
+}
+
+/**
+ * gtk_tree_view_get_activate_on_single_click:
+ * @tree_view: a #GtkTreeView
+ *
+ * Gets the setting set by gtk_tree_view_set_activate_on_single_click().
+ *
+ * Return value: %TRUE if row-activated will be emitted on a single click
+ *
+ * Since: 3.8
+ **/
+gboolean
+gtk_tree_view_get_activate_on_single_click (GtkTreeView *tree_view)
+{
+  g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
+
+  return tree_view->priv->activate_on_single_click;
+}
+
 /* Public Column functions
  */
 
@@ -11359,11 +11900,33 @@ gtk_tree_view_append_column (GtkTreeView       *tree_view,
 {
   g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1);
   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1);
-  g_return_val_if_fail (column->tree_view == NULL, -1);
+  g_return_val_if_fail (gtk_tree_view_column_get_tree_view (column) == NULL, -1);
 
   return gtk_tree_view_insert_column (tree_view, column, -1);
 }
 
+void
+_gtk_tree_view_reset_header_styles (GtkTreeView *tree_view)
+{
+  GList *columns;
+
+  for (columns = tree_view->priv->columns; columns; columns = columns->next)
+    {
+      GtkTreeViewColumn *column = columns->data;
+      GtkWidget *header_widget;
+
+      if (!gtk_tree_view_column_get_visible (column))
+        continue;
+
+      header_widget = gtk_tree_view_column_get_widget (column);
+
+      if (!header_widget)
+        header_widget = gtk_tree_view_column_get_button (column);
+
+      _gtk_widget_invalidate_style_context (header_widget, GTK_CSS_CHANGE_PARENT_REGION);
+    }
+}
+
 
 /**
  * gtk_tree_view_remove_column:
@@ -11378,12 +11941,14 @@ gint
 gtk_tree_view_remove_column (GtkTreeView       *tree_view,
                              GtkTreeViewColumn *column)
 {
+  guint position;
+
   g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1);
   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1);
-  g_return_val_if_fail (column->tree_view == GTK_WIDGET (tree_view), -1);
+  g_return_val_if_fail (gtk_tree_view_column_get_tree_view (column) == GTK_WIDGET (tree_view), -1);
 
   if (tree_view->priv->focus_column == column)
-    tree_view->priv->focus_column = NULL;
+    _gtk_tree_view_set_focus_column (tree_view, NULL);
 
   if (tree_view->priv->edited_column == column)
     {
@@ -11400,7 +11965,7 @@ gtk_tree_view_remove_column (GtkTreeView       *tree_view,
                                         G_CALLBACK (column_sizing_notify),
                                         tree_view);
 
-  _gtk_tree_view_column_unset_tree_view (column);
+  position = g_list_index (tree_view->priv->columns, column);
 
   tree_view->priv->columns = g_list_remove (tree_view->priv->columns, column);
   tree_view->priv->n_columns--;
@@ -11416,7 +11981,7 @@ gtk_tree_view_remove_column (GtkTreeView       *tree_view,
 
          tmp_column = GTK_TREE_VIEW_COLUMN (list->data);
          if (gtk_tree_view_column_get_visible (tmp_column))
-           _gtk_tree_view_column_cell_set_dirty (tmp_column, TRUE);
+            _gtk_tree_view_column_cell_set_dirty (tmp_column, TRUE);
        }
 
       if (tree_view->priv->n_columns == 0 &&
@@ -11426,6 +11991,10 @@ gtk_tree_view_remove_column (GtkTreeView       *tree_view,
       gtk_widget_queue_resize (GTK_WIDGET (tree_view));
     }
 
+  _gtk_tree_view_reset_header_styles (tree_view);
+  _gtk_tree_view_column_unset_tree_view (column);
+  _gtk_tree_view_accessible_remove_column (tree_view, column, position);
+
   g_object_unref (column);
   g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0);
 
@@ -11452,12 +12021,15 @@ gtk_tree_view_insert_column (GtkTreeView       *tree_view,
 {
   g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1);
   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1);
-  g_return_val_if_fail (column->tree_view == NULL, -1);
+  g_return_val_if_fail (gtk_tree_view_column_get_tree_view (column) == NULL, -1);
 
   if (tree_view->priv->fixed_height_mode)
     g_return_val_if_fail (gtk_tree_view_column_get_sizing (column)
                           == GTK_TREE_VIEW_COLUMN_FIXED, -1);
 
+  if (position < 0 || position > tree_view->priv->n_columns)
+    position = tree_view->priv->n_columns;
+
   g_object_ref_sink (column);
 
   if (tree_view->priv->n_columns == 0 &&
@@ -11486,11 +12058,15 @@ gtk_tree_view_insert_column (GtkTreeView       *tree_view,
        {
          column = GTK_TREE_VIEW_COLUMN (list->data);
          if (gtk_tree_view_column_get_visible (column))
-           _gtk_tree_view_column_cell_set_dirty (column, TRUE);
+            _gtk_tree_view_column_cell_set_dirty (column, TRUE);
        }
       gtk_widget_queue_resize (GTK_WIDGET (tree_view));
     }
 
+  _gtk_tree_view_reset_header_styles (tree_view);
+
+  _gtk_tree_view_accessible_add_column (tree_view, column, position);
+
   g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0);
 
   return tree_view->priv->n_columns;
@@ -11499,10 +12075,10 @@ gtk_tree_view_insert_column (GtkTreeView       *tree_view,
 /**
  * gtk_tree_view_insert_column_with_attributes:
  * @tree_view: A #GtkTreeView
- * @position: The position to insert the new column in.
- * @title: The title to set the header to.
- * @cell: The #GtkCellRenderer.
- * @Varargs: A %NULL-terminated list of attributes.
+ * @position: The position to insert the new column in
+ * @title: The title to set the header to
+ * @cell: The #GtkCellRenderer
+ * @...: A %NULL-terminated list of attributes
  *
  * Creates a new #GtkTreeViewColumn and inserts it into the @tree_view at
  * @position.  If @position is -1, then the newly created column is inserted at
@@ -11546,9 +12122,7 @@ gtk_tree_view_insert_column_with_attributes (GtkTreeView     *tree_view,
 
   va_end (args);
 
-  gtk_tree_view_insert_column (tree_view, column, position);
-
-  return tree_view->priv->n_columns;
+  return gtk_tree_view_insert_column (tree_view, column, position);
 }
 
 /**
@@ -11562,7 +12136,7 @@ gtk_tree_view_insert_column_with_attributes (GtkTreeView     *tree_view,
  * @dnotify: destroy notifier for @data
  *
  * Convenience function that inserts a new column into the #GtkTreeView
- * with the given cell renderer and a #GtkCellDataFunc to set cell renderer
+ * with the given cell renderer and a #GtkTreeCellDataFunc to set cell renderer
  * attributes (normally using data from the model). See also
  * gtk_tree_view_column_set_cell_data_func(), gtk_tree_view_column_pack_start().
  * If @tree_view has "fixed_height" mode enabled, then the new column will have its
@@ -11591,7 +12165,23 @@ gtk_tree_view_insert_column_with_data_func  (GtkTreeView               *tree_vie
   gtk_tree_view_column_pack_start (column, cell, TRUE);
   gtk_tree_view_column_set_cell_data_func (column, cell, func, data, dnotify);
 
-  gtk_tree_view_insert_column (tree_view, column, position);
+  return gtk_tree_view_insert_column (tree_view, column, position);
+}
+
+/**
+ * gtk_tree_view_get_n_columns:
+ * @tree_view: a #GtkTreeView
+ *
+ * Queries the number of columns in the given @tree_view.
+ *
+ * Returns: The number of columns in the @tree_view
+ *
+ * Since: 3.4
+ **/
+guint
+gtk_tree_view_get_n_columns (GtkTreeView *tree_view)
+{
+  g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), 0);
 
   return tree_view->priv->n_columns;
 }
@@ -11692,6 +12282,10 @@ gtk_tree_view_move_column_after (GtkTreeView       *tree_view,
       gtk_tree_view_size_allocate_columns (GTK_WIDGET (tree_view), NULL);
     }
 
+  _gtk_tree_view_reset_header_styles (tree_view);
+
+  _gtk_tree_view_accessible_reorder_column (tree_view, column);
+
   g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0);
 }
 
@@ -11712,21 +12306,11 @@ gtk_tree_view_set_expander_column (GtkTreeView       *tree_view,
                                    GtkTreeViewColumn *column)
 {
   g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
-  g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column));
-
-  if (tree_view->priv->expander_column != column)
-    {
-      GList *list;
-
-      if (column)
-       {
-         /* Confirm that column is in tree_view */
-         for (list = tree_view->priv->columns; list; list = list->next)
-           if (list->data == column)
-             break;
-         g_return_if_fail (list != NULL);
-       }
+  g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column));
+  g_return_if_fail (column == NULL || gtk_tree_view_column_get_tree_view (column) == GTK_WIDGET (tree_view));
 
+  if (tree_view->priv->expander_column != column)
+    {
       tree_view->priv->expander_column = column;
       g_object_notify (G_OBJECT (tree_view), "expander-column");
     }
@@ -11977,7 +12561,7 @@ gtk_tree_view_expand_all_emission_helper (GtkRBTree *tree,
       GtkTreePath *path;
       GtkTreeIter iter;
 
-      path = _gtk_tree_view_find_path (tree_view, tree, node);
+      path = _gtk_tree_path_new_from_rbtree (tree, node);
       gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
 
       g_signal_emit (tree_view, tree_view_signals[ROW_EXPANDED], 0, &iter, path);
@@ -12024,124 +12608,6 @@ gtk_tree_view_expand_all (GtkTreeView *tree_view)
   gtk_tree_path_free (path);
 }
 
-/* Timeout to animate the expander during expands and collapses */
-static gboolean
-expand_collapse_timeout (gpointer data)
-{
-  return do_expand_collapse (data);
-}
-
-static void
-add_expand_collapse_timeout (GtkTreeView *tree_view,
-                             GtkRBTree   *tree,
-                             GtkRBNode   *node,
-                             gboolean     expand)
-{
-  if (tree_view->priv->expand_collapse_timeout != 0)
-    return;
-
-  tree_view->priv->expand_collapse_timeout =
-      gdk_threads_add_timeout (50, expand_collapse_timeout, tree_view);
-  tree_view->priv->expanded_collapsed_tree = tree;
-  tree_view->priv->expanded_collapsed_node = node;
-
-  if (expand)
-    GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
-  else
-    GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
-}
-
-static void
-remove_expand_collapse_timeout (GtkTreeView *tree_view)
-{
-  if (tree_view->priv->expand_collapse_timeout)
-    {
-      g_source_remove (tree_view->priv->expand_collapse_timeout);
-      tree_view->priv->expand_collapse_timeout = 0;
-    }
-
-  if (tree_view->priv->expanded_collapsed_node != NULL)
-    {
-      GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_EXPANDED);
-      GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_COLLAPSED);
-
-      tree_view->priv->expanded_collapsed_node = NULL;
-    }
-}
-
-static void
-cancel_arrow_animation (GtkTreeView *tree_view)
-{
-  if (tree_view->priv->expand_collapse_timeout)
-    {
-      while (do_expand_collapse (tree_view));
-
-      remove_expand_collapse_timeout (tree_view);
-    }
-}
-
-static gboolean
-do_expand_collapse (GtkTreeView *tree_view)
-{
-  GtkRBNode *node;
-  GtkRBTree *tree;
-  gboolean expanding;
-  gboolean redraw;
-
-  redraw = FALSE;
-  expanding = TRUE;
-
-  node = tree_view->priv->expanded_collapsed_node;
-  tree = tree_view->priv->expanded_collapsed_tree;
-
-  if (node->children == NULL)
-    expanding = FALSE;
-
-  if (expanding)
-    {
-      if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED))
-       {
-         GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
-         GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
-
-         redraw = TRUE;
-
-       }
-      else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED))
-       {
-         GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
-
-         redraw = TRUE;
-       }
-    }
-  else
-    {
-      if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED))
-       {
-         GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
-         GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
-
-         redraw = TRUE;
-       }
-      else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED))
-       {
-         GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
-
-         redraw = TRUE;
-
-       }
-    }
-
-  if (redraw)
-    {
-      gtk_tree_view_queue_draw_arrow (tree_view, tree, node);
-
-      return TRUE;
-    }
-
-  return FALSE;
-}
-
 /**
  * gtk_tree_view_collapse_all:
  * @tree_view: A #GtkTreeView.
@@ -12166,9 +12632,7 @@ gtk_tree_view_collapse_all (GtkTreeView *tree_view)
   indices = gtk_tree_path_get_indices (path);
 
   tree = tree_view->priv->tree;
-  node = tree->root;
-  while (node && node->left != tree->nil)
-    node = node->left;
+  node = _gtk_rbtree_first (tree);
 
   while (node)
     {
@@ -12260,9 +12724,7 @@ gtk_tree_view_real_expand_row (GtkTreeView *tree_view,
 
       gtk_tree_path_append_index (tmp_path, 0);
       tree = node->children;
-      node = tree->root;
-      while (node->left != tree->nil)
-       node = node->left;
+      node = _gtk_rbtree_first (tree);
       /* try to expand the children */
       do
         {
@@ -12302,10 +12764,10 @@ gtk_tree_view_real_expand_row (GtkTreeView *tree_view,
                            gtk_tree_path_get_depth (path) + 1,
                            open_all);
 
-  remove_expand_collapse_timeout (tree_view);
-
-  if (animate)
-    add_expand_collapse_timeout (tree_view, tree, node, TRUE);
+  _gtk_tree_view_accessible_add (tree_view, node->children, NULL);
+  _gtk_tree_view_accessible_add_state (tree_view,
+                                       tree, node,
+                                       GTK_CELL_RENDERER_EXPANDED);
 
   install_presize_handler (tree_view);
 
@@ -12368,7 +12830,8 @@ gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
   gboolean collapse;
   gint x, y;
   GList *list;
-  GdkWindow *child, *parent;
+  GdkWindow *child;
+  gboolean selection_changed, cursor_changed;
 
   if (animate)
     g_object_get (gtk_widget_get_settings (GTK_WIDGET (tree_view)),
@@ -12379,7 +12842,6 @@ gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
 
   if (node->children == NULL)
     return FALSE;
-
   gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
 
   g_signal_emit (tree_view, tree_view_signals[TEST_COLLAPSE_ROW], 0, &iter, path, &collapse);
@@ -12433,19 +12895,13 @@ gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
       gtk_tree_path_free (child_path);
     }
 
-  if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
+  if (tree_view->priv->cursor_node)
     {
-      GtkTreePath *cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-
-      if (gtk_tree_path_is_ancestor (path, cursor_path))
-       {
-         gtk_tree_row_reference_free (tree_view->priv->cursor);
-         tree_view->priv->cursor = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view),
-                                                                     tree_view->priv->model,
-                                                                     path);
-       }
-      gtk_tree_path_free (cursor_path);
+      cursor_changed = (node->children == tree_view->priv->cursor_tree)
+                       || _gtk_rbtree_contains (node->children, tree_view->priv->cursor_tree);
     }
+  else
+    cursor_changed = FALSE;
 
   if (gtk_tree_row_reference_valid (tree_view->priv->anchor))
     {
@@ -12458,39 +12914,42 @@ gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
       gtk_tree_path_free (anchor_path);
     }
 
+  selection_changed = gtk_tree_view_unref_and_check_selection_tree (tree_view, node->children);
+  
   /* Stop a pending double click */
   tree_view->priv->last_button_x = -1;
   tree_view->priv->last_button_y = -1;
 
-  remove_expand_collapse_timeout (tree_view);
+  _gtk_tree_view_accessible_remove (tree_view, node->children, NULL);
+  _gtk_tree_view_accessible_remove_state (tree_view,
+                                          tree, node,
+                                          GTK_CELL_RENDERER_EXPANDED);
+
+  _gtk_rbtree_remove (node->children);
+
+  if (cursor_changed)
+    gtk_tree_view_real_set_cursor (tree_view, path, CLEAR_AND_SELECT | CURSOR_INVALID);
+  if (selection_changed)
+    g_signal_emit_by_name (tree_view->priv->selection, "changed");
 
-  if (gtk_tree_view_unref_and_check_selection_tree (tree_view, node->children))
-    {
-      _gtk_rbtree_remove (node->children);
-      g_signal_emit_by_name (tree_view->priv->selection, "changed");
-    }
-  else
-    _gtk_rbtree_remove (node->children);
-  
-  if (animate)
-    add_expand_collapse_timeout (tree_view, tree, node, FALSE);
-  
   if (gtk_widget_get_mapped (GTK_WIDGET (tree_view)))
     {
       gtk_widget_queue_resize (GTK_WIDGET (tree_view));
     }
 
   g_signal_emit (tree_view, tree_view_signals[ROW_COLLAPSED], 0, &iter, path);
-
+  
   if (gtk_widget_get_mapped (GTK_WIDGET (tree_view)))
     {
       /* now that we've collapsed all rows, we want to try to set the prelight
        * again. To do this, we fake a motion event and send it to ourselves. */
 
-      child = tree_view->priv->bin_window;
-      parent = gdk_window_get_parent (child);
-
-      if (gdk_window_get_pointer (parent, &x, &y, NULL) == child)
+      child = gdk_window_get_device_position (gdk_window_get_parent (tree_view->priv->bin_window),
+                                              gdk_device_manager_get_client_pointer (
+                                                gdk_display_get_device_manager (
+                                                  gtk_widget_get_display (GTK_WIDGET (tree_view)))),
+                                              &x, &y, NULL);
+      if (child == tree_view->priv->bin_window)
        {
          GdkEventMotion event;
          gint child_x, child_y;
@@ -12555,10 +13014,7 @@ gtk_tree_view_map_expanded_rows_helper (GtkTreeView            *tree_view,
   if (tree == NULL || tree->root == NULL)
     return;
 
-  node = tree->root;
-
-  while (node && node->left != tree->nil)
-    node = node->left;
+  node = _gtk_rbtree_first (tree);
 
   while (node)
     {
@@ -12651,8 +13107,8 @@ gtk_tree_view_get_reorderable (GtkTreeView *tree_view)
  * @reorderable: %TRUE, if the tree can be reordered.
  *
  * This function is a convenience function to allow you to reorder
- * models that support the #GtkDragSourceIface and the
- * #GtkDragDestIface.  Both #GtkTreeStore and #GtkListStore support
+ * models that support the #GtkTreeDragSourceIface and the
+ * #GtkTreeDragDestIface.  Both #GtkTreeStore and #GtkListStore support
  * these.  If @reorderable is %TRUE, then the user can reorder the
  * model by dragging and dropping rows. The developer can listen to
  * these changes by connecting to the model's row_inserted and
@@ -12705,59 +13161,54 @@ gtk_tree_view_set_reorderable (GtkTreeView *tree_view,
 static void
 gtk_tree_view_real_set_cursor (GtkTreeView     *tree_view,
                               GtkTreePath     *path,
-                              gboolean         clear_and_select,
-                              gboolean         clamp_node)
+                               SetCursorFlags   flags)
 {
-  GtkRBTree *tree = NULL;
-  GtkRBNode *node = NULL;
-
-  if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
+  if (!(flags & CURSOR_INVALID) && tree_view->priv->cursor_node)
     {
-      GtkTreePath *cursor_path;
-      cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-      gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL);
-      gtk_tree_path_free (cursor_path);
+      _gtk_tree_view_accessible_remove_state (tree_view,
+                                              tree_view->priv->cursor_tree,
+                                              tree_view->priv->cursor_node,
+                                              GTK_CELL_RENDERER_FOCUSED);
+      _gtk_tree_view_queue_draw_node (tree_view,
+                                      tree_view->priv->cursor_tree,
+                                      tree_view->priv->cursor_node,
+                                      NULL);
     }
 
-  gtk_tree_row_reference_free (tree_view->priv->cursor);
-  tree_view->priv->cursor = NULL;
-
   /* One cannot set the cursor on a separator.   Also, if
    * _gtk_tree_view_find_node returns TRUE, it ran out of tree
    * before finding the tree and node belonging to path.  The
    * path maps to a non-existing path and we will silently bail out.
    * We unset tree and node to avoid further processing.
    */
-  if (!row_is_separator (tree_view, NULL, path)
-      && _gtk_tree_view_find_node (tree_view, path, &tree, &node) == FALSE)
-    {
-      tree_view->priv->cursor =
-          gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view),
-                                            tree_view->priv->model,
-                                            path);
-    }
-  else
+  if (path == NULL || 
+      row_is_separator (tree_view, NULL, path)
+      || _gtk_tree_view_find_node (tree_view,
+                                   path,
+                                   &tree_view->priv->cursor_tree,
+                                   &tree_view->priv->cursor_node))
     {
-      tree = NULL;
-      node = NULL;
+      tree_view->priv->cursor_tree = NULL;
+      tree_view->priv->cursor_node = NULL;
     }
 
-  if (tree != NULL)
+  if (tree_view->priv->cursor_node != NULL)
     {
       GtkRBTree *new_tree = NULL;
       GtkRBNode *new_node = NULL;
 
-      if (clear_and_select && !tree_view->priv->ctrl_pressed)
+      if ((flags & CLEAR_AND_SELECT) && !tree_view->priv->modify_selection_pressed)
         {
           GtkTreeSelectMode mode = 0;
 
-          if (tree_view->priv->ctrl_pressed)
-            mode |= GTK_TREE_SELECT_MODE_TOGGLE;
-          if (tree_view->priv->shift_pressed)
+          if (tree_view->priv->extend_selection_pressed)
             mode |= GTK_TREE_SELECT_MODE_EXTEND;
 
           _gtk_tree_selection_internal_select_node (tree_view->priv->selection,
-                                                    node, tree, path, mode,
+                                                    tree_view->priv->cursor_node,
+                                                    tree_view->priv->cursor_tree,
+                                                    path,
+                                                    mode,
                                                     FALSE);
         }
 
@@ -12767,24 +13218,35 @@ gtk_tree_view_real_set_cursor (GtkTreeView     *tree_view,
        */
       _gtk_tree_view_find_node (tree_view, path, &new_tree, &new_node);
 
-      if (tree != new_tree || node != new_node)
+      if (tree_view->priv->cursor_node != new_node)
         return;
 
-      if (clamp_node)
+      if (flags & CLAMP_NODE)
         {
-         gtk_tree_view_clamp_node_visible (tree_view, tree, node);
-         _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL);
+         gtk_tree_view_clamp_node_visible (tree_view,
+                                            tree_view->priv->cursor_tree,
+                                            tree_view->priv->cursor_node);
+         _gtk_tree_view_queue_draw_node (tree_view,
+                                          tree_view->priv->cursor_tree,
+                                          tree_view->priv->cursor_node,
+                                          NULL);
        }
+
+      _gtk_tree_view_accessible_add_state (tree_view,
+                                           tree_view->priv->cursor_tree,
+                                           tree_view->priv->cursor_node,
+                                           GTK_CELL_RENDERER_FOCUSED);
     }
 
-  g_signal_emit (tree_view, tree_view_signals[CURSOR_CHANGED], 0);
+  if (!gtk_widget_in_destruction (GTK_WIDGET (tree_view)))
+    g_signal_emit (tree_view, tree_view_signals[CURSOR_CHANGED], 0);
 }
 
 /**
  * gtk_tree_view_get_cursor:
  * @tree_view: A #GtkTreeView
- * @path: (out) (allow-none): A pointer to be filled with the current cursor path, or %NULL
- * @focus_column: (out) (allow-none): A pointer to be filled with the current focus column, or %NULL
+ * @path: (out) (transfer full) (allow-none): A pointer to be filled with the current cursor path, or %NULL
+ * @focus_column: (out) (transfer none) (allow-none): A pointer to be filled with the current focus column, or %NULL
  *
  * Fills in @path and @focus_column with the current path and focus column.  If
  * the cursor isn't currently set, then *@path will be %NULL.  If no column
@@ -12802,8 +13264,9 @@ gtk_tree_view_get_cursor (GtkTreeView        *tree_view,
 
   if (path)
     {
-      if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
-       *path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
+      if (tree_view->priv->cursor_node)
+        *path = _gtk_tree_path_new_from_rbtree (tree_view->priv->cursor_tree,
+                                                tree_view->priv->cursor_node);
       else
        *path = NULL;
     }
@@ -12890,10 +13353,11 @@ gtk_tree_view_set_cursor_on_cell (GtkTreeView       *tree_view,
 
   /* cancel the current editing, if it exists */
   if (tree_view->priv->edited_column &&
-      tree_view->priv->edited_column->editable_widget)
+      gtk_cell_area_get_edit_widget
+      (gtk_cell_layout_get_area (GTK_CELL_LAYOUT (tree_view->priv->edited_column))))
     gtk_tree_view_stop_editing (tree_view, TRUE);
 
-  gtk_tree_view_real_set_cursor (tree_view, path, TRUE, TRUE);
+  gtk_tree_view_real_set_cursor (tree_view, path, CLEAR_AND_SELECT | CLAMP_NODE);
 
   if (focus_column &&
       gtk_tree_view_column_get_visible (focus_column))
@@ -12908,11 +13372,11 @@ gtk_tree_view_set_cursor_on_cell (GtkTreeView       *tree_view,
            break;
          }
       g_return_if_fail (column_in_tree);
-      tree_view->priv->focus_column = focus_column;
+      _gtk_tree_view_set_focus_column (tree_view, focus_column);
       if (focus_cell)
        gtk_tree_view_column_focus_cell (focus_column, focus_cell);
       if (start_editing)
-       gtk_tree_view_start_editing (tree_view, path);
+       gtk_tree_view_start_editing (tree_view, path, TRUE);
     }
 }
 
@@ -12941,7 +13405,7 @@ gtk_tree_view_get_bin_window (GtkTreeView *tree_view)
  * @x: The x position to be identified (relative to bin_window).
  * @y: The y position to be identified (relative to bin_window).
  * @path: (out) (allow-none): A pointer to a #GtkTreePath pointer to be filled in, or %NULL
- * @column: (out) (allow-none): A pointer to a #GtkTreeViewColumn pointer to be filled in, or %NULL
+ * @column: (out) (transfer none) (allow-none): A pointer to a #GtkTreeViewColumn pointer to be filled in, or %NULL
  * @cell_x: (out) (allow-none): A pointer where the X coordinate relative to the cell can be placed, or %NULL
  * @cell_y: (out) (allow-none): A pointer where the Y coordinate relative to the cell can be placed, or %NULL
  *
@@ -12991,7 +13455,7 @@ gtk_tree_view_get_path_at_pos (GtkTreeView        *tree_view,
   if (tree_view->priv->tree == NULL)
     return FALSE;
 
-  if (x > tree_view->priv->hadjustment->upper)
+  if (x > gtk_adjustment_get_upper (tree_view->priv->hadjustment))
     return FALSE;
 
   if (x < 0 || y < 0)
@@ -13065,18 +13529,55 @@ gtk_tree_view_get_path_at_pos (GtkTreeView        *tree_view,
     *cell_y = y_offset;
 
   if (path)
-    *path = _gtk_tree_view_find_path (tree_view, tree, node);
+    *path = _gtk_tree_path_new_from_rbtree (tree, node);
 
   return TRUE;
 }
 
 
+static inline gint
+gtk_tree_view_get_cell_area_height (GtkTreeView *tree_view,
+                                    GtkRBNode   *node,
+                                    gint         vertical_separator)
+{
+  int expander_size = gtk_tree_view_get_expander_size (tree_view);
+  int height;
+
+  /* The "cell" areas are the cell_area passed in to gtk_cell_renderer_render(),
+   * i.e. just the cells, no spacing.
+   *
+   * The cell area height is at least expander_size - vertical_separator.
+   * For regular nodes, the height is then at least expander_size. We should
+   * be able to enforce the expander_size minimum here, because this
+   * function will not be called for irregular (e.g. separator) rows.
+   */
+  height = gtk_tree_view_get_row_height (tree_view, node);
+  if (height < expander_size)
+    height = expander_size;
+
+  return height - vertical_separator;
+}
+
+static inline gint
+gtk_tree_view_get_cell_area_y_offset (GtkTreeView *tree_view,
+                                      GtkRBTree   *tree,
+                                      GtkRBNode   *node,
+                                      gint         vertical_separator)
+{
+  int offset;
+
+  offset = gtk_tree_view_get_row_y_offset (tree_view, tree, node);
+  offset += vertical_separator / 2;
+
+  return offset;
+}
+
 /**
  * gtk_tree_view_get_cell_area:
  * @tree_view: a #GtkTreeView
  * @path: (allow-none): a #GtkTreePath for the row, or %NULL to get only horizontal coordinates
  * @column: (allow-none): a #GtkTreeViewColumn for the column, or %NULL to get only vertical coordinates
- * @rect: rectangle to fill with cell rect
+ * @rect: (out): rectangle to fill with cell rect
  *
  * Fills the bounding rectangle in bin_window coordinates for the cell at the
  * row specified by @path and the column specified by @column.  If @path is
@@ -13094,7 +13595,6 @@ gtk_tree_view_get_cell_area (GtkTreeView        *tree_view,
                              GtkTreeViewColumn  *column,
                              GdkRectangle       *rect)
 {
-  GtkAllocation allocation;
   GtkRBTree *tree = NULL;
   GtkRBNode *node = NULL;
   gint vertical_separator;
@@ -13103,7 +13603,7 @@ gtk_tree_view_get_cell_area (GtkTreeView        *tree_view,
   g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
   g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column));
   g_return_if_fail (rect != NULL);
-  g_return_if_fail (!column || column->tree_view == (GtkWidget *) tree_view);
+  g_return_if_fail (!column || gtk_tree_view_column_get_tree_view (column) == (GtkWidget *) tree_view);
   g_return_if_fail (gtk_widget_get_realized (GTK_WIDGET (tree_view)));
 
   gtk_widget_style_get (GTK_WIDGET (tree_view),
@@ -13118,9 +13618,8 @@ gtk_tree_view_get_cell_area (GtkTreeView        *tree_view,
 
   if (column)
     {
-      gtk_widget_get_allocation (column->button, &allocation);
-      rect->x = allocation.x + horizontal_separator/2;
-      rect->width = allocation.width - horizontal_separator;
+      rect->x = gtk_tree_view_column_get_x_offset (column) + horizontal_separator/2;
+      rect->width = gtk_tree_view_column_get_width (column) - horizontal_separator;
     }
 
   if (path)
@@ -13131,8 +13630,21 @@ gtk_tree_view_get_cell_area (GtkTreeView        *tree_view,
       if ((!ret && tree == NULL) || ret)
        return;
 
-      rect->y = CELL_FIRST_PIXEL (tree_view, tree, node, vertical_separator);
-      rect->height = MAX (CELL_HEIGHT (node, vertical_separator), tree_view->priv->expander_size - vertical_separator);
+      if (row_is_separator (tree_view, NULL, path))
+        {
+          /* There isn't really a "cell area" for separator, so we
+           * return the y, height values for background area instead.
+           */
+          rect->y = gtk_tree_view_get_row_y_offset (tree_view, tree, node);
+          rect->height = gtk_tree_view_get_row_height (tree_view, node);
+        }
+      else
+        {
+          rect->y = gtk_tree_view_get_cell_area_y_offset (tree_view, tree, node,
+                                                          vertical_separator);
+          rect->height = gtk_tree_view_get_cell_area_height (tree_view, node,
+                                                             vertical_separator);
+        }
 
       if (column &&
          gtk_tree_view_is_expander_column (tree_view, column))
@@ -13146,11 +13658,12 @@ gtk_tree_view_get_cell_area (GtkTreeView        *tree_view,
            rect->x += (depth - 1) * tree_view->priv->level_indentation;
          rect->width -= (depth - 1) * tree_view->priv->level_indentation;
 
-         if (TREE_VIEW_DRAW_EXPANDERS (tree_view))
+         if (gtk_tree_view_draw_expanders (tree_view))
            {
+              int expander_size = gtk_tree_view_get_expander_size (tree_view);
              if (!rtl)
-               rect->x += depth * tree_view->priv->expander_size;
-             rect->width -= depth * tree_view->priv->expander_size;
+               rect->x += depth * expander_size;
+             rect->width -= depth * expander_size;
            }
 
          rect->width = MAX (rect->width, 0);
@@ -13158,12 +13671,46 @@ gtk_tree_view_get_cell_area (GtkTreeView        *tree_view,
     }
 }
 
+static inline gint
+gtk_tree_view_get_row_height (GtkTreeView *tree_view,
+                              GtkRBNode   *node)
+{
+  int expander_size = gtk_tree_view_get_expander_size (tree_view);
+  int height;
+
+  /* The "background" areas of all rows/cells add up to cover the entire tree.
+   * The background includes all inter-row and inter-cell spacing.
+   *
+   * If the row pointed at by node does not have a height set, we default
+   * to expander_size, which is the minimum height for regular nodes.
+   * Non-regular nodes (e.g. separators) can have a height set smaller
+   * than expander_size and should not be overruled here.
+   */
+  height = GTK_RBNODE_GET_HEIGHT (node);
+  if (height <= 0)
+    height = expander_size;
+
+  return height;
+}
+
+static inline gint
+gtk_tree_view_get_row_y_offset (GtkTreeView *tree_view,
+                                GtkRBTree   *tree,
+                                GtkRBNode   *node)
+{
+  int offset;
+
+  offset = _gtk_rbtree_node_find_offset (tree, node);
+
+  return RBTREE_Y_TO_TREE_WINDOW_Y (tree_view, offset);
+}
+
 /**
  * gtk_tree_view_get_background_area:
  * @tree_view: a #GtkTreeView
  * @path: (allow-none): a #GtkTreePath for the row, or %NULL to get only horizontal coordinates
  * @column: (allow-none): a #GtkTreeViewColumn for the column, or %NULL to get only vertical coordiantes
- * @rect: rectangle to fill with cell background rect
+ * @rect: (out): rectangle to fill with cell background rect
  *
  * Fills the bounding rectangle in bin_window coordinates for the cell at the
  * row specified by @path and the column specified by @column.  If @path is
@@ -13202,9 +13749,8 @@ gtk_tree_view_get_background_area (GtkTreeView        *tree_view,
          tree == NULL)
        return;
 
-      rect->y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node);
-
-      rect->height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
+      rect->y = gtk_tree_view_get_row_y_offset (tree_view, tree, node);
+      rect->height = gtk_tree_view_get_row_height (tree_view, node);
     }
 
   if (column)
@@ -13219,7 +13765,7 @@ gtk_tree_view_get_background_area (GtkTreeView        *tree_view,
 /**
  * gtk_tree_view_get_visible_rect:
  * @tree_view: a #GtkTreeView
- * @visible_rect: rectangle to fill
+ * @visible_rect: (out): rectangle to fill
  *
  * Fills @visible_rect with the currently-visible region of the
  * buffer, in tree coordinates. Convert to bin_window coordinates with
@@ -13241,10 +13787,10 @@ gtk_tree_view_get_visible_rect (GtkTreeView  *tree_view,
   if (visible_rect)
     {
       gtk_widget_get_allocation (widget, &allocation);
-      visible_rect->x = tree_view->priv->hadjustment->value;
-      visible_rect->y = tree_view->priv->vadjustment->value;
+      visible_rect->x = gtk_adjustment_get_value (tree_view->priv->hadjustment);
+      visible_rect->y = gtk_adjustment_get_value (tree_view->priv->vadjustment);
       visible_rect->width = allocation.width;
-      visible_rect->height = allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view);
+      visible_rect->height = allocation.height - gtk_tree_view_get_effective_header_height (tree_view);
     }
 }
 
@@ -13253,8 +13799,8 @@ gtk_tree_view_get_visible_rect (GtkTreeView  *tree_view,
  * @tree_view: a #GtkTreeView
  * @wx: X coordinate relative to the widget
  * @wy: Y coordinate relative to the widget
- * @tx: return location for tree X coordinate
- * @ty: return location for tree Y coordinate
+ * @tx: (out): return location for tree X coordinate
+ * @ty: (out): return location for tree Y coordinate
  *
  * Converts widget coordinates to coordinates for the
  * tree (the full scrollable area of the tree).
@@ -13285,8 +13831,8 @@ gtk_tree_view_convert_widget_to_tree_coords (GtkTreeView *tree_view,
  * @tree_view: a #GtkTreeView
  * @tx: X coordinate relative to the tree
  * @ty: Y coordinate relative to the tree
- * @wx: return location for widget X coordinate
- * @wy: return location for widget Y coordinate
+ * @wx: (out): return location for widget X coordinate
+ * @wy: (out): return location for widget Y coordinate
  *
  * Converts tree coordinates (coordinates in full scrollable area of the tree)
  * to widget coordinates.
@@ -13317,8 +13863,8 @@ gtk_tree_view_convert_tree_to_widget_coords (GtkTreeView *tree_view,
  * @tree_view: a #GtkTreeView
  * @wx: X coordinate relative to the widget
  * @wy: Y coordinate relative to the widget
- * @bx: return location for bin_window X coordinate
- * @by: return location for bin_window Y coordinate
+ * @bx: (out): return location for bin_window X coordinate
+ * @by: (out): return location for bin_window Y coordinate
  *
  * Converts widget coordinates to coordinates for the bin_window
  * (see gtk_tree_view_get_bin_window()).
@@ -13335,9 +13881,9 @@ gtk_tree_view_convert_widget_to_bin_window_coords (GtkTreeView *tree_view,
   g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
 
   if (bx)
-    *bx = wx + tree_view->priv->hadjustment->value;
+    *bx = wx + gtk_adjustment_get_value (tree_view->priv->hadjustment);
   if (by)
-    *by = wy - TREE_VIEW_HEADER_HEIGHT (tree_view);
+    *by = wy - gtk_tree_view_get_effective_header_height (tree_view);
 }
 
 /**
@@ -13345,8 +13891,8 @@ gtk_tree_view_convert_widget_to_bin_window_coords (GtkTreeView *tree_view,
  * @tree_view: a #GtkTreeView
  * @bx: bin_window X coordinate
  * @by: bin_window Y coordinate
- * @wx: return location for widget X coordinate
- * @wy: return location for widget Y coordinate
+ * @wx: (out): return location for widget X coordinate
+ * @wy: (out): return location for widget Y coordinate
  *
  * Converts bin_window coordinates (see gtk_tree_view_get_bin_window())
  * to widget relative coordinates.
@@ -13363,9 +13909,9 @@ gtk_tree_view_convert_bin_window_to_widget_coords (GtkTreeView *tree_view,
   g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
 
   if (wx)
-    *wx = bx - tree_view->priv->hadjustment->value;
+    *wx = bx - gtk_adjustment_get_value (tree_view->priv->hadjustment);
   if (wy)
-    *wy = by + TREE_VIEW_HEADER_HEIGHT (tree_view);
+    *wy = by + gtk_tree_view_get_effective_header_height (tree_view);
 }
 
 /**
@@ -13373,8 +13919,8 @@ gtk_tree_view_convert_bin_window_to_widget_coords (GtkTreeView *tree_view,
  * @tree_view: a #GtkTreeView
  * @tx: tree X coordinate
  * @ty: tree Y coordinate
- * @bx: return location for X coordinate relative to bin_window
- * @by: return location for Y coordinate relative to bin_window
+ * @bx: (out): return location for X coordinate relative to bin_window
+ * @by: (out): return location for Y coordinate relative to bin_window
  *
  * Converts tree coordinates (coordinates in full scrollable area of the tree)
  * to bin_window coordinates.
@@ -13401,8 +13947,8 @@ gtk_tree_view_convert_tree_to_bin_window_coords (GtkTreeView *tree_view,
  * @tree_view: a #GtkTreeView
  * @bx: X coordinate relative to bin_window
  * @by: Y coordinate relative to bin_window
- * @tx: return location for tree X coordinate
- * @ty: return location for tree Y coordinate
+ * @tx: (out): return location for tree X coordinate
+ * @ty: (out): return location for tree Y coordinate
  *
  * Converts bin_window coordinates to coordinates for the
  * tree (the full scrollable area of the tree).
@@ -13429,8 +13975,9 @@ gtk_tree_view_convert_bin_window_to_tree_coords (GtkTreeView *tree_view,
 /**
  * gtk_tree_view_get_visible_range:
  * @tree_view: A #GtkTreeView
- * @start_path: (allow-none): Return location for start of region, or %NULL.
- * @end_path: (allow-none): Return location for end of region, or %NULL.
+ * @start_path: (out) (allow-none): Return location for start of region,
+ *              or %NULL.
+ * @end_path: (out) (allow-none): Return location for end of region, or %NULL.
  *
  * Sets @start_path and @end_path to be the first and last visible path.
  * Note that there may be invisible paths in between.
@@ -13463,7 +14010,7 @@ gtk_tree_view_get_visible_range (GtkTreeView  *tree_view,
                                TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, 0),
                                &tree, &node);
       if (node)
-        *start_path = _gtk_tree_view_find_path (tree_view, tree, node);
+        *start_path = _gtk_tree_path_new_from_rbtree (tree, node);
       else
         retval = FALSE;
     }
@@ -13472,14 +14019,14 @@ gtk_tree_view_get_visible_range (GtkTreeView  *tree_view,
     {
       gint y;
 
-      if (tree_view->priv->height < tree_view->priv->vadjustment->page_size)
+      if (tree_view->priv->height < gtk_adjustment_get_page_size (tree_view->priv->vadjustment))
         y = tree_view->priv->height - 1;
       else
-        y = TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, tree_view->priv->vadjustment->page_size) - 1;
+        y = TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, gtk_adjustment_get_page_size (tree_view->priv->vadjustment)) - 1;
 
       _gtk_rbtree_find_offset (tree_view->priv->tree, y, &tree, &node);
       if (node)
-        *end_path = _gtk_tree_view_find_path (tree_view, tree, node);
+        *end_path = _gtk_tree_path_new_from_rbtree (tree, node);
       else
         retval = FALSE;
     }
@@ -13487,6 +14034,109 @@ gtk_tree_view_get_visible_range (GtkTreeView  *tree_view,
   return retval;
 }
 
+/**
+ * gtk_tree_view_is_blank_at_pos:
+ * @tree_view: A #GtkTreeView
+ * @x: The x position to be identified (relative to bin_window)
+ * @y: The y position to be identified (relative to bin_window)
+ * @path: (out) (allow-none): A pointer to a #GtkTreePath pointer to be filled in, or %NULL
+ * @column: (out) (allow-none): A pointer to a #GtkTreeViewColumn pointer to be filled in, or %NULL
+ * @cell_x: (out) (allow-none): A pointer where the X coordinate relative to the cell can be placed, or %NULL
+ * @cell_y: (out) (allow-none): A pointer where the Y coordinate relative to the cell can be placed, or %NULL
+ *
+ * Determine whether the point (@x, @y) in @tree_view is blank, that is no
+ * cell content nor an expander arrow is drawn at the location. If so, the
+ * location can be considered as the background. You might wish to take
+ * special action on clicks on the background, such as clearing a current
+ * selection, having a custom context menu or starting rubber banding.
+ *
+ * The @x and @y coordinate that are provided must be relative to bin_window
+ * coordinates.  That is, @x and @y must come from an event on @tree_view
+ * where <literal>event->window == gtk_tree_view_get_bin_window (<!-- -->)</literal>.
+ *
+ * For converting widget coordinates (eg. the ones you get from
+ * GtkWidget::query-tooltip), please see
+ * gtk_tree_view_convert_widget_to_bin_window_coords().
+ *
+ * The @path, @column, @cell_x and @cell_y arguments will be filled in
+ * likewise as for gtk_tree_view_get_path_at_pos().  Please see
+ * gtk_tree_view_get_path_at_pos() for more information.
+ *
+ * Return value: %TRUE if the area at the given coordinates is blank,
+ * %FALSE otherwise.
+ *
+ * Since: 3.0
+ */
+gboolean
+gtk_tree_view_is_blank_at_pos (GtkTreeView       *tree_view,
+                               gint                x,
+                               gint                y,
+                               GtkTreePath       **path,
+                               GtkTreeViewColumn **column,
+                               gint               *cell_x,
+                               gint               *cell_y)
+{
+  GtkRBTree *tree;
+  GtkRBNode *node;
+  GtkTreeIter iter;
+  GtkTreePath *real_path;
+  GtkTreeViewColumn *real_column;
+  GdkRectangle cell_area, background_area;
+
+  g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
+
+  if (!gtk_tree_view_get_path_at_pos (tree_view, x, y,
+                                      &real_path, &real_column,
+                                      cell_x, cell_y))
+    /* If there's no path here, it is blank */
+    return TRUE;
+
+  if (path)
+    *path = real_path;
+
+  if (column)
+    *column = real_column;
+
+  gtk_tree_model_get_iter (tree_view->priv->model, &iter, real_path);
+  _gtk_tree_view_find_node (tree_view, real_path, &tree, &node);
+
+  /* Check if there's an expander arrow at (x, y) */
+  if (real_column == tree_view->priv->expander_column
+      && gtk_tree_view_draw_expanders (tree_view))
+    {
+      gboolean over_arrow;
+
+      over_arrow = coords_are_over_arrow (tree_view, tree, node, x, y);
+
+      if (over_arrow)
+        {
+          if (!path)
+            gtk_tree_path_free (real_path);
+          return FALSE;
+        }
+    }
+
+  /* Otherwise, have the column see if there's a cell at (x, y) */
+  gtk_tree_view_column_cell_set_cell_data (real_column,
+                                           tree_view->priv->model,
+                                           &iter,
+                                           GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT),
+                                           node->children ? TRUE : FALSE);
+
+  gtk_tree_view_get_background_area (tree_view, real_path, real_column,
+                                     &background_area);
+  gtk_tree_view_get_cell_area (tree_view, real_path, real_column,
+                               &cell_area);
+
+  if (!path)
+    gtk_tree_path_free (real_path);
+
+  return _gtk_tree_view_column_is_blank_at_pos (real_column,
+                                                &cell_area,
+                                                &background_area,
+                                                x, y);
+}
+
 static void
 unset_reorderable (GtkTreeView *tree_view)
 {
@@ -13501,7 +14151,7 @@ unset_reorderable (GtkTreeView *tree_view)
  * gtk_tree_view_enable_model_drag_source:
  * @tree_view: a #GtkTreeView
  * @start_button_mask: Mask of allowed buttons to start drag
- * @targets: (array): the table of targets that the drag will support
+ * @targets: (array length=n_targets): the table of targets that the drag will support
  * @n_targets: the number of items in @targets
  * @actions: the bitmask of possible actions for a drag from this
  *    widget
@@ -13538,7 +14188,8 @@ gtk_tree_view_enable_model_drag_source (GtkTreeView              *tree_view,
 /**
  * gtk_tree_view_enable_model_drag_dest:
  * @tree_view: a #GtkTreeView
- * @targets: (array): the table of targets that the drag will support
+ * @targets: (array length=n_targets): the table of targets that
+ *           the drag will support
  * @n_targets: the number of items in @targets
  * @actions: the bitmask of possible actions for a drag from this
  *    widget
@@ -13635,11 +14286,12 @@ gtk_tree_view_unset_rows_drag_dest (GtkTreeView *tree_view)
 /**
  * gtk_tree_view_set_drag_dest_row:
  * @tree_view: a #GtkTreeView
- * @path: (allow-none): The path of the row to highlight, or %NULL.
+ * @path: (allow-none): The path of the row to highlight, or %NULL
  * @pos: Specifies whether to drop before, after or into the row
- * 
+ *
  * Sets the row that is highlighted for feedback.
- **/
+ * If @path is %NULL, an existing highlight is removed.
+ */
 void
 gtk_tree_view_set_drag_dest_row (GtkTreeView            *tree_view,
                                  GtkTreePath            *path,
@@ -13863,7 +14515,7 @@ gtk_tree_view_create_row_drag_icon (GtkTreeView  *tree_view,
   GtkTreeIter   iter;
   GtkRBTree    *tree;
   GtkRBNode    *node;
-  GtkStyle *style;
+  GtkStyleContext *context;
   gint cell_offset;
   GList *list;
   GdkRectangle background_area;
@@ -13874,7 +14526,7 @@ gtk_tree_view_create_row_drag_icon (GtkTreeView  *tree_view,
   cairo_surface_t *surface;
   gint bin_window_width;
   gboolean is_separator = FALSE;
-  gboolean rtl;
+  gboolean rtl, allow_rules;
   cairo_t *cr;
 
   g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
@@ -13900,14 +14552,33 @@ gtk_tree_view_create_row_drag_icon (GtkTreeView  *tree_view,
                                 path))
     return NULL;
 
-  style = gtk_widget_get_style (widget);
+  context = gtk_widget_get_style_context (widget);
+
+  gtk_style_context_save (context);
+  gtk_style_context_add_region (context, GTK_STYLE_REGION_COLUMN, 0);
+
+  gtk_widget_style_get (widget,
+                       "allow-rules", &allow_rules,
+                       NULL);
+
+  if (allow_rules && tree_view->priv->has_rules)
+    {
+      GtkRegionFlags row_flags;
+
+      if ((_gtk_rbtree_node_get_index (tree, node) % 2))
+        row_flags = GTK_REGION_ODD;
+      else
+        row_flags = GTK_REGION_EVEN;
+
+      gtk_style_context_add_region (context, GTK_STYLE_REGION_ROW, row_flags);
+    }
 
   is_separator = row_is_separator (tree_view, &iter, NULL);
 
   cell_offset = x;
 
   background_area.y = y;
-  background_area.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
+  background_area.height = gtk_tree_view_get_row_height (tree_view, node);
 
   bin_window_width = gdk_window_get_width (tree_view->priv->bin_window);
 
@@ -13917,8 +14588,10 @@ gtk_tree_view_create_row_drag_icon (GtkTreeView  *tree_view,
                                                background_area.height + 2);
 
   cr = cairo_create (surface);
-  gdk_cairo_set_source_color (cr, &style->base [gtk_widget_get_state (widget)]);
-  cairo_paint (cr);
+
+  gtk_render_background (context, cr, 0, 0,
+                         bin_window_width + 2,
+                         background_area.height + 2);
 
   rtl = gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL;
 
@@ -13955,31 +14628,38 @@ gtk_tree_view_create_row_drag_icon (GtkTreeView  *tree_view,
            cell_area.x += (depth - 1) * tree_view->priv->level_indentation;
          cell_area.width -= (depth - 1) * tree_view->priv->level_indentation;
 
-          if (TREE_VIEW_DRAW_EXPANDERS(tree_view))
+          if (gtk_tree_view_draw_expanders (tree_view))
            {
+              int expander_size = gtk_tree_view_get_expander_size (tree_view);
              if (!rtl)
-               cell_area.x += depth * tree_view->priv->expander_size;
-             cell_area.width -= depth * tree_view->priv->expander_size;
+               cell_area.x += depth * expander_size;
+             cell_area.width -= depth * expander_size;
            }
         }
 
       if (gtk_tree_view_column_cell_is_visible (column))
        {
          if (is_separator)
-           gtk_paint_hline (style,
-                                   cr,
-                                   GTK_STATE_NORMAL,
-                                   widget,
-                                   NULL,
-                                   cell_area.x,
-                                   cell_area.x + cell_area.width,
-                                   cell_area.y + cell_area.height / 2);
+            {
+              gtk_style_context_save (context);
+              gtk_style_context_add_class (context, GTK_STYLE_CLASS_SEPARATOR);
+
+              gtk_render_line (context, cr,
+                               cell_area.x,
+                               cell_area.y + cell_area.height / 2,
+                               cell_area.x + cell_area.width,
+                               cell_area.y + cell_area.height / 2);
+
+              gtk_style_context_restore (context);
+            }
          else
-           _gtk_tree_view_column_cell_render (column,
-                                               cr,
-                                              &background_area,
-                                              &cell_area,
-                                              0);
+            {
+              _gtk_tree_view_column_cell_render (column,
+                                                 cr,
+                                                 &background_area,
+                                                 &cell_area,
+                                                 0, FALSE);
+            }
        }
       cell_offset += gtk_tree_view_column_get_width (column);
     }
@@ -13996,6 +14676,8 @@ gtk_tree_view_create_row_drag_icon (GtkTreeView  *tree_view,
 
   cairo_surface_set_device_offset (surface, 2, 2);
 
+  gtk_style_context_restore (context);
+
   return surface;
 }
 
@@ -14010,6 +14692,8 @@ gtk_tree_view_create_row_drag_icon (GtkTreeView  *tree_view,
  * This function should almost never be used.  It is meant for private use by
  * ATK for determining the number of visible children that are removed when the
  * user collapses a row, or a row is deleted.
+ *
+ * Deprecated: 3.4: Accessibility does not need the function anymore.
  **/
 void
 gtk_tree_view_set_destroy_count_func (GtkTreeView             *tree_view,
@@ -14122,7 +14806,7 @@ gtk_tree_view_set_search_column (GtkTreeView *tree_view,
 }
 
 /**
- * gtk_tree_view_get_search_equal_func:
+ * gtk_tree_view_get_search_equal_func: (skip)
  * @tree_view: A #GtkTreeView
  *
  * Returns the compare function currently in use.
@@ -14289,7 +14973,7 @@ gtk_tree_view_set_search_position_func (GtkTreeView                   *tree_view
 }
 
 /**
- * gtk_tree_view_get_search_position_func:
+ * gtk_tree_view_get_search_position_func: (skip)
  * @tree_view: A #GtkTreeView
  *
  * Returns the positioning function currently in use.
@@ -14352,7 +15036,7 @@ gtk_tree_view_search_position_func (GtkTreeView *tree_view,
   GdkRectangle monitor;
 
   monitor_num = gdk_screen_get_monitor_at_window (screen, tree_window);
-  gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
+  gdk_screen_get_monitor_workarea (screen, monitor_num, &monitor);
 
   gtk_widget_realize (search_dialog);
 
@@ -14414,8 +15098,6 @@ gtk_tree_view_search_activate (GtkEntry    *entry,
                               GtkTreeView *tree_view)
 {
   GtkTreePath *path;
-  GtkRBNode *node;
-  GtkRBTree *tree;
 
   gtk_tree_view_search_dialog_hide (tree_view->priv->search_window,
                                    tree_view,
@@ -14423,14 +15105,13 @@ gtk_tree_view_search_activate (GtkEntry    *entry,
 
   /* If we have a row selected and it's the cursor row, we activate
    * the row XXX */
-  if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
+  if (tree_view->priv->cursor_node &&
+      GTK_RBNODE_FLAG_SET (tree_view->priv->cursor_node, GTK_RBNODE_IS_SELECTED))
     {
-      path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
-      
-      _gtk_tree_view_find_node (tree_view, path, &tree, &node);
+      path = _gtk_tree_path_new_from_rbtree (tree_view->priv->cursor_tree,
+                                             tree_view->priv->cursor_node);
       
-      if (node && GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
-       gtk_tree_view_row_activated (tree_view, path, tree_view->priv->focus_column);
+      gtk_tree_view_row_activated (tree_view, path, tree_view->priv->focus_column);
       
       gtk_tree_path_free (path);
     }
@@ -14520,7 +15201,8 @@ gtk_tree_view_search_key_press_event (GtkWidget *widget,
                                      GdkEventKey *event,
                                      GtkTreeView *tree_view)
 {
-  gboolean retval = FALSE;
+  GdkModifierType default_accel;
+  gboolean        retval = FALSE;
 
   g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
   g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
@@ -14537,6 +15219,9 @@ gtk_tree_view_search_key_press_event (GtkWidget *widget,
       return TRUE;
     }
 
+  default_accel = gtk_widget_get_modifier_mask (widget,
+                                                GDK_MODIFIER_INTENT_PRIMARY_ACCELERATOR);
+
   /* select previous matching iter */
   if (event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_KP_Up)
     {
@@ -14546,7 +15231,7 @@ gtk_tree_view_search_key_press_event (GtkWidget *widget,
       retval = TRUE;
     }
 
-  if (((event->state & (GTK_DEFAULT_ACCEL_MOD_MASK | GDK_SHIFT_MASK)) == (GTK_DEFAULT_ACCEL_MOD_MASK | GDK_SHIFT_MASK))
+  if (((event->state & (default_accel | GDK_SHIFT_MASK)) == (default_accel | GDK_SHIFT_MASK))
       && (event->keyval == GDK_KEY_g || event->keyval == GDK_KEY_G))
     {
       if (!gtk_tree_view_search_move (widget, tree_view, TRUE))
@@ -14564,7 +15249,7 @@ gtk_tree_view_search_key_press_event (GtkWidget *widget,
       retval = TRUE;
     }
 
-  if (((event->state & (GTK_DEFAULT_ACCEL_MOD_MASK | GDK_SHIFT_MASK)) == GTK_DEFAULT_ACCEL_MOD_MASK)
+  if (((event->state & (default_accel | GDK_SHIFT_MASK)) == default_accel)
       && (event->keyval == GDK_KEY_g || event->keyval == GDK_KEY_G))
     {
       if (!gtk_tree_view_search_move (widget, tree_view, FALSE))
@@ -14659,8 +15344,8 @@ gtk_tree_view_search_equal_func (GtkTreeModel *model,
   gchar *normalized_key;
   gchar *case_normalized_string = NULL;
   gchar *case_normalized_key = NULL;
-  GValue value = {0,};
-  GValue transformed = {0,};
+  GValue value = G_VALUE_INIT;
+  GValue transformed = G_VALUE_INIT;
 
   gtk_tree_model_get_value (model, iter, column, &value);
 
@@ -14729,7 +15414,7 @@ gtk_tree_view_search_iter (GtkTreeModel     *model,
               gtk_tree_view_scroll_to_cell (tree_view, path, NULL,
                                            TRUE, 0.5, 0.0);
               gtk_tree_selection_select_iter (selection, iter);
-              gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE);
+              gtk_tree_view_real_set_cursor (tree_view, path, CLAMP_NODE);
 
              if (path)
                gtk_tree_path_free (path);
@@ -14744,10 +15429,7 @@ gtk_tree_view_search_iter (GtkTreeModel     *model,
          GtkTreeIter tmp;
 
          tree = node->children;
-         node = tree->root;
-
-         while (node->left != tree->nil)
-           node = node->left;
+          node = _gtk_rbtree_first (tree);
 
          tmp = *iter;
          has_child = gtk_tree_model_iter_children (model, iter, &tmp);
@@ -14855,25 +15537,23 @@ gtk_tree_view_search_init (GtkWidget   *entry,
     tree_view->priv->selected_iter = 1;
 }
 
-static void
-gtk_tree_view_remove_widget (GtkCellEditable *cell_editable,
-                            GtkTreeView     *tree_view)
+void
+_gtk_tree_view_remove_editable (GtkTreeView       *tree_view,
+                                GtkTreeViewColumn *column,
+                                GtkCellEditable   *cell_editable)
 {
   if (tree_view->priv->edited_column == NULL)
     return;
 
-  _gtk_tree_view_column_stop_editing (tree_view->priv->edited_column);
+  g_return_if_fail (column == tree_view->priv->edited_column);
+
   tree_view->priv->edited_column = NULL;
 
   if (gtk_widget_has_focus (GTK_WIDGET (cell_editable)))
     gtk_widget_grab_focus (GTK_WIDGET (tree_view));
 
-  g_signal_handlers_disconnect_by_func (cell_editable,
-                                       gtk_tree_view_remove_widget,
-                                       tree_view);
-
   gtk_container_remove (GTK_CONTAINER (tree_view),
-                       GTK_WIDGET (cell_editable));  
+                        GTK_WIDGET (cell_editable));
 
   /* FIXME should only redraw a single node */
   gtk_widget_queue_draw (GTK_WIDGET (tree_view));
@@ -14881,19 +15561,19 @@ gtk_tree_view_remove_widget (GtkCellEditable *cell_editable,
 
 static gboolean
 gtk_tree_view_start_editing (GtkTreeView *tree_view,
-                            GtkTreePath *cursor_path)
+                            GtkTreePath *cursor_path,
+                            gboolean     edit_only)
 {
   GtkTreeIter iter;
-  GdkRectangle background_area;
   GdkRectangle cell_area;
-  GtkCellEditable *editable_widget = NULL;
-  gchar *path_string;
+  GtkTreeViewColumn *focus_column;
   guint flags = 0; /* can be 0, as the flags are primarily for rendering */
   gint retval = FALSE;
   GtkRBTree *cursor_tree;
   GtkRBNode *cursor_node;
 
   g_assert (tree_view->priv->focus_column);
+  focus_column = tree_view->priv->focus_column;
 
   if (!gtk_widget_get_realized (GTK_WIDGET (tree_view)))
     return FALSE;
@@ -14902,84 +15582,49 @@ gtk_tree_view_start_editing (GtkTreeView *tree_view,
       cursor_node == NULL)
     return FALSE;
 
-  path_string = gtk_tree_path_to_string (cursor_path);
   gtk_tree_model_get_iter (tree_view->priv->model, &iter, cursor_path);
 
   validate_row (tree_view, cursor_tree, cursor_node, &iter, cursor_path);
 
-  gtk_tree_view_column_cell_set_cell_data (tree_view->priv->focus_column,
-                                          tree_view->priv->model,
-                                          &iter,
-                                          GTK_RBNODE_FLAG_SET (cursor_node, GTK_RBNODE_IS_PARENT),
-                                          cursor_node->children?TRUE:FALSE);
-  gtk_tree_view_get_background_area (tree_view,
-                                    cursor_path,
-                                    tree_view->priv->focus_column,
-                                    &background_area);
+  gtk_tree_view_column_cell_set_cell_data (focus_column,
+                                           tree_view->priv->model,
+                                           &iter,
+                                           GTK_RBNODE_FLAG_SET (cursor_node, GTK_RBNODE_IS_PARENT),
+                                           cursor_node->children ? TRUE : FALSE);
   gtk_tree_view_get_cell_area (tree_view,
-                              cursor_path,
-                              tree_view->priv->focus_column,
-                              &cell_area);
-
-  if (_gtk_tree_view_column_cell_event (tree_view->priv->focus_column,
-                                       &editable_widget,
-                                       NULL,
-                                       path_string,
-                                       &background_area,
-                                       &cell_area,
-                                       flags))
-    {
-      retval = TRUE;
-      if (editable_widget != NULL)
-       {
-         gint left, right;
-         GdkRectangle area;
-         GtkCellRenderer *cell;
-
-         area = cell_area;
-         cell = _gtk_tree_view_column_get_edited_cell (tree_view->priv->focus_column);
-
-         _gtk_tree_view_column_get_neighbor_sizes (tree_view->priv->focus_column, cell, &left, &right);
-
-         area.x += left;
-         area.width -= right + left;
+                               cursor_path,
+                               focus_column,
+                               &cell_area);
 
-         gtk_tree_view_real_start_editing (tree_view,
-                                           tree_view->priv->focus_column,
-                                           cursor_path,
-                                           editable_widget,
-                                           &area,
-                                           NULL,
-                                           flags);
-       }
+  if (gtk_cell_area_activate (gtk_cell_layout_get_area (GTK_CELL_LAYOUT (focus_column)),
+                              _gtk_tree_view_column_get_context (focus_column),
+                              GTK_WIDGET (tree_view),
+                              &cell_area,
+                              flags, edit_only))
+    retval = TRUE;
 
-    }
-  g_free (path_string);
   return retval;
 }
 
-static void
-gtk_tree_view_real_start_editing (GtkTreeView       *tree_view,
-                                 GtkTreeViewColumn *column,
-                                 GtkTreePath       *path,
-                                 GtkCellEditable   *cell_editable,
-                                 GdkRectangle      *cell_area,
-                                 GdkEvent          *event,
-                                 guint              flags)
+void
+_gtk_tree_view_add_editable (GtkTreeView       *tree_view,
+                             GtkTreeViewColumn *column,
+                             GtkTreePath       *path,
+                             GtkCellEditable   *cell_editable,
+                             GdkRectangle      *cell_area)
 {
-  gint pre_val = tree_view->priv->vadjustment->value;
+  gint pre_val = gtk_adjustment_get_value (tree_view->priv->vadjustment);
   GtkRequisition requisition;
 
   tree_view->priv->edited_column = column;
-  _gtk_tree_view_column_start_editing (column, GTK_CELL_EDITABLE (cell_editable));
 
-  gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE);
-  cell_area->y += pre_val - (int)tree_view->priv->vadjustment->value;
+  gtk_tree_view_real_set_cursor (tree_view, path, CLAMP_NODE);
+  cell_area->y += pre_val - (int)gtk_adjustment_get_value (tree_view->priv->vadjustment);
 
   gtk_widget_get_preferred_size (GTK_WIDGET (cell_editable),
                                  &requisition, NULL);
 
-  GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
+  tree_view->priv->draw_keyfocus = TRUE;
 
   if (requisition.height < cell_area->height)
     {
@@ -14996,13 +15641,6 @@ gtk_tree_view_real_start_editing (GtkTreeView       *tree_view,
                         cell_area->x, cell_area->y,
                         cell_area->width, cell_area->height);
     }
-
-  gtk_cell_editable_start_editing (GTK_CELL_EDITABLE (cell_editable),
-                                  (GdkEvent *)event);
-
-  gtk_widget_grab_focus (GTK_WIDGET (cell_editable));
-  g_signal_connect (cell_editable, "remove-widget",
-                   G_CALLBACK (gtk_tree_view_remove_widget), tree_view);
 }
 
 static void
@@ -15010,7 +15648,6 @@ gtk_tree_view_stop_editing (GtkTreeView *tree_view,
                            gboolean     cancel_editing)
 {
   GtkTreeViewColumn *column;
-  GtkCellRenderer *cell;
 
   if (tree_view->priv->edited_column == NULL)
     return;
@@ -15026,17 +15663,8 @@ gtk_tree_view_stop_editing (GtkTreeView *tree_view,
    */
 
   column = tree_view->priv->edited_column;
+  gtk_cell_area_stop_editing (gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column)), cancel_editing);
   tree_view->priv->edited_column = NULL;
-
-  cell = _gtk_tree_view_column_get_edited_cell (column);
-  gtk_cell_renderer_stop_editing (cell, cancel_editing);
-
-  if (!cancel_editing)
-    gtk_cell_editable_editing_done (column->editable_widget);
-
-  tree_view->priv->edited_column = column;
-
-  gtk_cell_editable_remove_widget (column->editable_widget);
 }
 
 
@@ -15045,7 +15673,7 @@ gtk_tree_view_stop_editing (GtkTreeView *tree_view,
  * @tree_view: a #GtkTreeView
  * @hover: %TRUE to enable hover selection mode
  *
- * Enables of disables the hover selection mode of @tree_view.
+ * Enables or disables the hover selection mode of @tree_view.
  * Hover selection makes the selected row follow the pointer.
  * Currently, this works only for the selection modes 
  * %GTK_SELECTION_SINGLE and %GTK_SELECTION_BROWSE.
@@ -15087,7 +15715,7 @@ gtk_tree_view_get_hover_selection (GtkTreeView *tree_view)
  * @tree_view: a #GtkTreeView
  * @expand: %TRUE to enable hover selection mode
  *
- * Enables of disables the hover expansion mode of @tree_view.
+ * Enables or disables the hover expansion mode of @tree_view.
  * Hover expansion makes rows expand or collapse if the pointer 
  * moves over them.
  * 
@@ -15191,7 +15819,7 @@ gtk_tree_view_is_rubber_banding_active (GtkTreeView *tree_view)
 }
 
 /**
- * gtk_tree_view_get_row_separator_func:
+ * gtk_tree_view_get_row_separator_func: (skip)
  * @tree_view: a #GtkTreeView
  * 
  * Returns the current row separator function.
@@ -15260,16 +15888,11 @@ gtk_tree_view_grab_notify (GtkWidget *widget,
 }
 
 static void
-gtk_tree_view_state_changed (GtkWidget      *widget,
-                            GtkStateType    previous_state)
+gtk_tree_view_state_flags_changed (GtkWidget     *widget,
+                                   GtkStateFlags  previous_state)
 {
-  GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
-
   if (gtk_widget_get_realized (widget))
-    {
-      gdk_window_set_background (tree_view->priv->bin_window,
-                                 &gtk_widget_get_style (widget)->base[gtk_widget_get_state (widget)]);
-    }
+    gtk_tree_view_ensure_background (GTK_TREE_VIEW (widget));
 
   gtk_widget_queue_draw (widget);
 }
@@ -15473,12 +16096,9 @@ gtk_tree_view_set_show_expanders (GtkTreeView *tree_view,
   g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
 
   enabled = enabled != FALSE;
-  was_enabled = GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS);
+  was_enabled = tree_view->priv->show_expanders;
 
-  if (enabled)
-    GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS);
-  else
-    GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS);
+  tree_view->priv->show_expanders = enabled == TRUE;
 
   if (enabled != was_enabled)
     gtk_widget_queue_draw (GTK_WIDGET (tree_view));
@@ -15500,7 +16120,7 @@ gtk_tree_view_get_show_expanders (GtkTreeView *tree_view)
 {
   g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
 
-  return GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS);
+  return tree_view->priv->show_expanders;
 }
 
 /**
@@ -15657,7 +16277,7 @@ gtk_tree_view_set_tooltip_cell (GtkTreeView       *tree_view,
   else
     {
       rect.y = 0;
-      rect.height = tree_view->priv->vadjustment->page_size;
+      rect.height = gtk_adjustment_get_page_size (tree_view->priv->vadjustment);
     }
 
   gtk_tooltip_set_tip_area (tooltip, &rect);
@@ -15666,10 +16286,11 @@ gtk_tree_view_set_tooltip_cell (GtkTreeView       *tree_view,
 /**
  * gtk_tree_view_get_tooltip_context:
  * @tree_view: a #GtkTreeView
- * @x: the x coordinate (relative to widget coordinates)
- * @y: the y coordinate (relative to widget coordinates)
+ * @x: (inout): the x coordinate (relative to widget coordinates)
+ * @y: (inout): the y coordinate (relative to widget coordinates)
  * @keyboard_tip: whether this is a keyboard tooltip or not
- * @model: (out) (allow-none): a pointer to receive a #GtkTreeModel or %NULL
+ * @model: (out) (allow-none) (transfer none): a pointer to receive a
+ *         #GtkTreeModel or %NULL
  * @path: (out) (allow-none): a pointer to receive a #GtkTreePath or %NULL
  * @iter: (out) (allow-none): a pointer to receive a #GtkTreeIter or %NULL
  *
@@ -15744,8 +16365,8 @@ gtk_tree_view_set_tooltip_query_cb (GtkWidget  *widget,
                                    GtkTooltip *tooltip,
                                    gpointer    data)
 {
-  GValue value = { 0, };
-  GValue transformed = { 0, };
+  GValue value = G_VALUE_INIT;
+  GValue transformed = G_VALUE_INIT;
   GtkTreeIter iter;
   GtkTreePath *path;
   GtkTreeModel *model;
@@ -15799,7 +16420,7 @@ gtk_tree_view_set_tooltip_query_cb (GtkWidget  *widget,
  * for you. @column should be set to the column in @tree_view's model
  * containing the tooltip texts, or -1 to disable this feature.
  *
- * When enabled, #GtkWidget::has-tooltip will be set to %TRUE and
+ * When enabled, #GtkWidget:has-tooltip will be set to %TRUE and
  * @tree_view will connect a #GtkWidget::query-tooltip signal handler.
  *
  * Note that the signal handler sets the text with gtk_tooltip_set_markup(),