]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtktreeview.c
gail: Fix scrollbar index_in_parent() implementation
[~andy/gtk] / gtk / gtktreeview.c
index efa9734cecc170b5a4600b5b6eb2c6dbda41974f..969af40e3ae2924b4a006d5fa1fad51eb3654cc9 100644 (file)
 
 
 #include "config.h"
+
 #include <math.h>
 #include <string.h>
-#include <gdk/gdkkeysyms.h>
 
 #include "gtktreeview.h"
 #include "gtkrbtree.h"
 #include "gtktreednd.h"
 #include "gtktreeprivate.h"
 #include "gtkcellrenderer.h"
-#include "gtkmain.h"
+#include "gtkmainprivate.h"
 #include "gtkmarshalers.h"
 #include "gtkbuildable.h"
 #include "gtkbutton.h"
-#include "gtkalignment.h"
 #include "gtklabel.h"
 #include "gtkhbox.h"
 #include "gtkvbox.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 "gtktypebuiltins.h"
 
 
 /**
  * former you can use gtk_tree_view_convert_widget_to_bin_window_coords()
  * (and vice versa), for the latter gtk_tree_view_convert_bin_window_to_tree_coords()
  * (and vice versa).
+ *
  * <refsect2 id="GtkTreeView-BUILDER-UI">
  * <title>GtkTreeView as GtkBuildable</title>
  * The GtkTreeView implementation of the GtkBuildable interface accepts
  * </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
+};
+
+ /* 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_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
@@ -188,6 +273,239 @@ 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 */
+  gint expander_size;
+  GtkTreeViewColumn *expander_column;
+
+  gint level_indentation;
+
+  /* Key navigation (focus), selection */
+  gint cursor_offset;
+
+  GtkTreeRowReference *anchor;
+  GtkTreeRowReference *cursor;
+
+  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;
+
+  /* Non-interactive Header Resizing, expand flag support */
+  gint prev_width;
+
+  gint last_extra_space;
+  gint last_extra_space_per_column;
+  gint last_number_of_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_shift;
+  gint rubber_band_ctrl;
+
+  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 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 ctrl_pressed : 1;
+  guint shift_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;
+
+  guint post_validation_flag : 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
 {
@@ -258,7 +576,8 @@ 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);
+                                                   GtkRequisition   *requisition,
+                                                    gboolean          may_validate);
 static void     gtk_tree_view_size_allocate        (GtkWidget        *widget,
                                                    GtkAllocation    *allocation);
 static gboolean gtk_tree_view_draw                 (GtkWidget        *widget,
@@ -284,6 +603,9 @@ 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,
@@ -291,12 +613,11 @@ 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,
@@ -404,6 +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,
@@ -470,23 +792,31 @@ static void     gtk_tree_view_real_set_cursor                (GtkTreeView
                                                              GtkTreePath        *path,
                                                              gboolean            clear_and_select,
                                                              gboolean            clamp_node);
-static gboolean gtk_tree_view_has_special_cell               (GtkTreeView        *tree_view);
+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,
@@ -540,14 +870,8 @@ 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,
@@ -633,14 +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;
@@ -852,7 +1177,7 @@ gtk_tree_view_class_init (GtkTreeViewClass *class)
                                                       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
 
@@ -1380,9 +1705,9 @@ 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;
 
   /* We need some padding */
   tree_view->priv->dy = 0;
@@ -1581,7 +1906,7 @@ 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);
@@ -1788,29 +2113,38 @@ 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 (column->visible == FALSE)
+         if (gtk_tree_view_column_get_visible (column) == FALSE)
            continue;
-         if (column->resizable)
+
+         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);
     }
@@ -1847,7 +2181,7 @@ static void
 gtk_tree_view_realize (GtkWidget *widget)
 {
   GtkAllocation allocation;
-  GtkStyle *style;
+  GtkStyleContext *context;
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
   GdkWindow *window;
   GdkWindowAttr attributes;
@@ -1879,7 +2213,7 @@ gtk_tree_view_realize (GtkWidget *widget)
 
   /* 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 |
@@ -1916,12 +2250,14 @@ gtk_tree_view_realize (GtkWidget *widget)
                                                   &attributes, attributes_mask);
   gdk_window_set_user_data (tree_view->priv->header_window, widget);
 
-  /* 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);
+  context = gtk_widget_get_style_context (widget);
+
+  gtk_style_context_save (context);
+  gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
+  gtk_style_context_set_background (context, tree_view->priv->bin_window);
+  gtk_style_context_restore (context);
+
+  gtk_style_context_set_background (context, tree_view->priv->header_window);
 
   tmp_list = tree_view->priv->children;
   while (tmp_list)
@@ -1947,6 +2283,7 @@ gtk_tree_view_unrealize (GtkWidget *widget)
 {
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
   GtkTreeViewPrivate *priv = tree_view->priv;
+  GtkStyleContext *context;
   GList *list;
 
   if (priv->scroll_timeout != 0)
@@ -1967,8 +2304,9 @@ gtk_tree_view_unrealize (GtkWidget *widget)
       priv->open_dest_timeout = 0;
     }
 
-  remove_expand_collapse_timeout (tree_view);
-  
+  context = gtk_widget_get_style_context (widget);
+  gtk_style_context_cancel_animations (context, NULL);
+
   if (priv->presize_handler_timer != 0)
     {
       g_source_remove (priv->presize_handler_timer);
@@ -2033,16 +2371,16 @@ gtk_tree_view_size_request_columns (GtkTreeView *tree_view)
     {
       for (list = tree_view->priv->columns; list; list = list->next)
         {
-          GtkRequisition requisition;
+          GtkRequisition     requisition;
           GtkTreeViewColumn *column = list->data;
+         GtkWidget         *button = gtk_tree_view_column_get_button (column);
 
-         if (column->button == NULL)
+         if (button == NULL)
            continue;
 
           column = list->data;
 
-          gtk_widget_get_preferred_size (column->button, &requisition, NULL);
-         column->button_request = requisition.width;
+          gtk_widget_get_preferred_size (button, &requisition, NULL);
           tree_view->priv->header_height = MAX (tree_view->priv->header_height, requisition.height);
         }
     }
@@ -2071,34 +2409,11 @@ gtk_tree_view_update_size (GtkTreeView *tree_view)
   /* keep this in sync with size_allocate below */
   for (list = tree_view->priv->columns, i = 0; list; list = list->next, i++)
     {
-      gint real_requested_width = 0;
       column = list->data;
-      if (!column->visible)
+      if (!gtk_tree_view_column_get_visible (column))
        continue;
 
-      if (column->use_resized_width)
-       {
-         real_requested_width = column->resized_width;
-       }
-      else if (column->column_type == GTK_TREE_VIEW_COLUMN_FIXED)
-       {
-         real_requested_width = column->fixed_width;
-       }
-      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 (column->min_width != -1)
-       real_requested_width = MAX (real_requested_width, column->min_width);
-      if (column->max_width != -1)
-       real_requested_width = MIN (real_requested_width, column->max_width);
-
-      tree_view->priv->width += real_requested_width;
+      tree_view->priv->width += _gtk_tree_view_column_request_width (column);
     }
 
   if (tree_view->priv->tree == NULL)
@@ -2109,22 +2424,24 @@ gtk_tree_view_update_size (GtkTreeView *tree_view)
 
 static void
 gtk_tree_view_size_request (GtkWidget      *widget,
-                           GtkRequisition *requisition)
+                           GtkRequisition *requisition,
+                            gboolean        may_validate)
 {
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
-  GList *tmp_list;
 
-  /* 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);
+  if (may_validate)
+    {
+      /* 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));
 
   requisition->width = tree_view->priv->width;
-  requisition->height = tree_view->priv->height + TREE_VIEW_HEADER_HEIGHT (tree_view);
-
-  tmp_list = tree_view->priv->children;
+  requisition->height = tree_view->priv->height + gtk_tree_view_get_effective_header_height (tree_view);
 }
 
 static void
@@ -2134,7 +2451,7 @@ gtk_tree_view_get_preferred_width (GtkWidget *widget,
 {
   GtkRequisition requisition;
 
-  gtk_tree_view_size_request (widget, &requisition);
+  gtk_tree_view_size_request (widget, &requisition, TRUE);
 
   *minimum = *natural = requisition.width;
 }
@@ -2146,7 +2463,7 @@ gtk_tree_view_get_preferred_height (GtkWidget *widget,
 {
   GtkRequisition requisition;
 
-  gtk_tree_view_size_request (widget, &requisition);
+  gtk_tree_view_size_request (widget, &requisition, TRUE);
 
   *minimum = *natural = requisition.height;
 }
@@ -2165,102 +2482,12 @@ gtk_tree_view_calculate_width_before_expander (GtkTreeView *tree_view)
     {
       GtkTreeViewColumn *column = list->data;
 
-      width += column->width;
+      width += gtk_tree_view_column_get_width (column);
     }
 
   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 = column->width;
-         invalid_rect.height = allocation.height;
-
-         gdk_window_invalidate_rect (gtk_widget_get_window (widget), &invalid_rect, TRUE);
-         break;
-       }
-      
-      column_offset += tmpcolumn->width;
-    }
-}
-
-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 (last_column->data)->visible)
-        {
-          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 real_requested_width;
-
-  if (column->use_resized_width)
-    {
-      real_requested_width = column->resized_width;
-    }
-  else if (column->column_type == GTK_TREE_VIEW_COLUMN_FIXED)
-    {
-      real_requested_width = column->fixed_width;
-    }
-  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;
-    }
-
-  if (column->min_width != -1)
-    real_requested_width = MAX (real_requested_width, column->min_width);
-  if (column->max_width != -1)
-    real_requested_width = MIN (real_requested_width, column->max_width);
-
-  return real_requested_width;
-}
-
 /* GtkWidget::size_allocate helper */
 static void
 gtk_tree_view_size_allocate_columns (GtkWidget *widget,
@@ -2269,33 +2496,30 @@ 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;
   gboolean rtl;
   gboolean update_expand;
   
   tree_view = GTK_TREE_VIEW (widget);
 
   for (last_column = g_list_last (tree_view->priv->columns);
-       last_column && !(GTK_TREE_VIEW_COLUMN (last_column->data)->visible);
+       last_column &&
+       !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (last_column->data)));
        last_column = last_column->prev)
     ;
   if (last_column == NULL)
     return;
 
   for (first_column = g_list_first (tree_view->priv->columns);
-       first_column && !(GTK_TREE_VIEW_COLUMN (first_column->data)->visible);
+       first_column &&
+       !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (first_column->data)));
        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 */
@@ -2303,12 +2527,12 @@ gtk_tree_view_size_allocate_columns (GtkWidget *widget,
     {
       column = (GtkTreeViewColumn *)list->data;
 
-      if (!column->visible)
+      if (!gtk_tree_view_column_get_visible (column))
        continue;
 
-      full_requested_width += gtk_tree_view_get_real_requested_width_from_column (tree_view, column);
+      full_requested_width += _gtk_tree_view_column_request_width (column);
 
-      if (column->expand)
+      if (gtk_tree_view_column_get_expand (column))
        number_of_expand_columns++;
     }
 
@@ -2353,13 +2577,11 @@ gtk_tree_view_size_allocate_columns (GtkWidget *widget,
        list != (rtl ? first_column->prev : last_column->next);
        list = (rtl ? list->prev : list->next)) 
     {
-      gint real_requested_width = 0;
-      gint old_width;
+      gint column_width;
 
       column = list->data;
-      old_width = column->width;
 
-      if (!column->visible)
+      if (!gtk_tree_view_column_get_visible (column))
        continue;
 
       /* We need to handle the dragged button specially.
@@ -2367,33 +2589,32 @@ gtk_tree_view_size_allocate_columns (GtkWidget *widget,
       if (column == tree_view->priv->drag_column)
        {
          GtkAllocation drag_allocation;
+         GtkWidget    *button;
+
+         button = gtk_tree_view_column_get_button (tree_view->priv->drag_column);
 
          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);
+         gtk_widget_size_allocate (button, &drag_allocation);
          width += drag_allocation.width;
          continue;
        }
 
-      real_requested_width = gtk_tree_view_get_real_requested_width_from_column (tree_view, column);
+      column_width = _gtk_tree_view_column_request_width (column);
 
-      allocation.x = width;
-      column->width = real_requested_width;
-
-      if (column->expand)
+      if (gtk_tree_view_column_get_expand (column))
        {
          if (number_of_expand_columns == 1)
            {
              /* We add the remander to the last column as
               * */
-             column->width += extra;
+             column_width += extra;
            }
          else
            {
-             column->width += extra_per_column;
+             column_width += extra_per_column;
              extra -= extra_per_column;
              number_of_expand_columns --;
            }
@@ -2401,41 +2622,30 @@ gtk_tree_view_size_allocate_columns (GtkWidget *widget,
       else if (number_of_expand_columns == 0 &&
               list == last_column)
        {
-         column->width += extra;
+         column_width += extra;
        }
 
       /* 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 += extra_for_last;
 
-      allocation.width = column->width;
-      width += column->width;
+      _gtk_tree_view_column_allocate (column, width, column_width);
 
-      if (column->width > old_width)
-        column_changed = TRUE;
-
-      gtk_widget_size_allocate (column->button, &allocation);
-
-      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);
+      width += column_width;
     }
 
   /* We change the width here.  The user might have been resizing columns,
-   * so the total width of the tree view changes.
+   * which changes the total width of the tree view.  This is of
+   * importance for getting the horizontal scroll bar right.
    */
-  tree_view->priv->width = width;
-  if (width_changed)
-    *width_changed = TRUE;
-
-  if (column_changed)
-    gtk_widget_queue_draw (GTK_WIDGET (tree_view));
+  if (tree_view->priv->width != width)
+    {
+      tree_view->priv->width = width;
+      if (width_changed)
+        *width_changed = TRUE;
+    }
 }
 
 
@@ -2487,7 +2697,7 @@ 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));
 
@@ -2505,13 +2715,13 @@ 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),
+                                      CLAMP (tree_view->priv->width - (tree_view->priv->prev_width - gtk_adjustment_get_value (tree_view->priv->hadjustment)),
                                              0,
                                              tree_view->priv->width - allocation->width));
        }
@@ -2522,7 +2732,7 @@ 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));
@@ -2530,23 +2740,23 @@ 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
@@ -2558,31 +2768,18 @@ 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));
-    }
-
-  if (tree_view->priv->tree == NULL)
-    invalidate_empty_focus (tree_view);
+                             allocation->height - gtk_tree_view_get_effective_header_height (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)
         {
@@ -2604,16 +2801,6 @@ 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);
-       }
     }
 }
 
@@ -2625,7 +2812,7 @@ 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
@@ -2640,9 +2827,12 @@ 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,
@@ -2674,7 +2864,6 @@ gtk_tree_view_button_press (GtkWidget      *widget,
                        "horizontal-separator", &horizontal_separator,
                        NULL);
 
-
   /* Because grab_focus can cause reentrancy, we delay grab_focus until after
    * we're done handling the button press.
    */
@@ -2684,14 +2873,12 @@ 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;
@@ -2706,8 +2893,8 @@ 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)
            {
@@ -2749,7 +2936,7 @@ 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;
 
 
@@ -2760,10 +2947,10 @@ gtk_tree_view_button_press (GtkWidget      *widget,
        {
          GtkTreeViewColumn *candidate = list->data;
 
-         if (!candidate->visible)
+         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))
            {
@@ -2784,7 +2971,7 @@ 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))
                {
                  if (!rtl)
                    cell_area.x += depth * tree_view->priv->expander_size;
@@ -2830,41 +3017,21 @@ 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);
@@ -2872,18 +3039,30 @@ gtk_tree_view_button_press (GtkWidget      *widget,
 
       /* 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)
         {
+          GtkCellRenderer *focus_cell;
+
           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;
 
-          focus_cell = _gtk_tree_view_column_get_cell_at_pos (column, event->x - background_area.x);
+          /* 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);
+
           if (focus_cell)
             gtk_tree_view_column_focus_cell (column, focus_cell);
 
@@ -2910,7 +3089,7 @@ gtk_tree_view_button_press (GtkWidget      *widget,
        * 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;
@@ -2928,7 +3107,7 @@ 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;
@@ -3002,31 +3181,38 @@ 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 &&
-         column->resizable &&
-         column->window)
+      if (event->window == _gtk_tree_view_column_get_window (column) &&
+         gtk_tree_view_column_get_resizable (column) &&
+         _gtk_tree_view_column_get_window (column))
        {
+         GtkWidget *button;
           GtkAllocation button_allocation;
          gpointer drag_data;
 
          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_use_resized_width (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 = column->width - tree_view->priv->last_extra_space_per_column;
+          gtk_grab_add (widget);
+          tree_view->priv->in_column_resize = TRUE;
+
+         _gtk_tree_view_column_set_resized_width (column, gtk_tree_view_column_get_width (column) -
+                                                  tree_view->priv->last_extra_space_per_column);
 
          /* block attached dnd signal handler */
          drag_data = g_object_get_data (G_OBJECT (widget), "gtk-site-data");
@@ -3036,7 +3222,8 @@ gtk_tree_view_button_press (GtkWidget      *widget,
                                             0, 0, NULL, NULL,
                                             drag_data);
 
-          gtk_widget_get_allocation (column->button, &button_allocation);
+         button = gtk_tree_view_column_get_button (column);
+          gtk_widget_get_allocation (button, &button_allocation);
          tree_view->priv->drag_pos = i;
          tree_view->priv->x_drag = button_allocation.x + (rtl ? 0 : button_allocation.width);
 
@@ -3055,31 +3242,36 @@ gtk_tree_view_button_release_drag_column (GtkWidget      *widget,
                                          GdkEventButton *event)
 {
   GtkTreeView *tree_view;
+  GtkWidget *button;
   GList *l;
   gboolean rtl;
+  GdkDevice *device, *other;
 
   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);
+  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 (tree_view->priv->drag_column->resizable)
+  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)
     {
@@ -3109,7 +3301,7 @@ 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;
 }
@@ -3134,10 +3326,9 @@ 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;
 }
 
@@ -3147,7 +3338,7 @@ gtk_tree_view_button_release (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)
     return gtk_tree_view_button_release_drag_column (widget, event);
 
   if (tree_view->priv->rubber_band_status)
@@ -3156,7 +3347,7 @@ 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)
@@ -3164,9 +3355,8 @@ gtk_tree_view_button_release (GtkWidget      *widget,
 
   if (event->button == 1)
     {
-      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))
+          tree_view->priv->arrow_prelit)
        {
          GtkTreePath *path = NULL;
 
@@ -3186,6 +3376,7 @@ gtk_tree_view_button_release (GtkWidget      *widget,
          gtk_tree_path_free (path);
        }
 
+      gtk_grab_remove (widget);
       tree_view->priv->button_pressed_tree = NULL;
       tree_view->priv->button_pressed_node = NULL;
     }
@@ -3199,10 +3390,10 @@ 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;
@@ -3242,9 +3433,8 @@ 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);
 
@@ -3305,23 +3495,18 @@ 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);
            }
@@ -3337,10 +3522,10 @@ 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,
@@ -3366,10 +3551,10 @@ 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);
     }
@@ -3398,7 +3583,8 @@ 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)
        {
@@ -3410,7 +3596,7 @@ prelight_or_select (GtkTreeView *tree_view,
              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);
+                  tree_view->priv->draw_keyfocus = FALSE;
                  gtk_tree_view_real_set_cursor (tree_view, path, FALSE, FALSE);
                }
              gtk_tree_path_free (path);
@@ -3513,16 +3699,19 @@ 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;
         }
 
@@ -3540,6 +3729,7 @@ 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)
            {
@@ -3548,11 +3738,12 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
              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));
@@ -3581,6 +3772,7 @@ 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;
 
@@ -3588,13 +3780,15 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
       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;
        }
@@ -3651,6 +3845,7 @@ gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
           arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT)
     {
       GtkAllocation allocation;
+      GtkWidget    *button;
 
       width = tree_view->priv->expander_size;
 
@@ -3666,12 +3861,14 @@ 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;
         }
 
@@ -3758,17 +3955,21 @@ gtk_tree_view_motion_resize_column (GtkWidget      *widget,
     x = event->x;
 
   if (tree_view->priv->hadjustment)
-    x += tree_view->priv->hadjustment->value;
+    x += gtk_adjustment_get_value (tree_view->priv->hadjustment);
 
   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 != column->fixed_width))
+      (new_width != gtk_tree_view_column_get_fixed_width (column)))
     {
-      column->use_resized_width = TRUE;
-      column->resized_width = new_width;
-      if (column->expand)
-       column->resized_width -= tree_view->priv->last_extra_space_per_column;
+      _gtk_tree_view_column_set_use_resized_width (column, TRUE);
+
+      if (gtk_tree_view_column_get_expand (column))
+       new_width -= tree_view->priv->last_extra_space_per_column;
+
+      _gtk_tree_view_column_set_resized_width (column, new_width);
+
+
       gtk_widget_queue_resize (widget);
     }
 
@@ -3821,7 +4022,7 @@ 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
@@ -3846,7 +4047,7 @@ 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;
 
@@ -3859,6 +4060,7 @@ 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 */
@@ -3866,11 +4068,13 @@ 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);
   
@@ -4191,30 +4395,31 @@ 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);
 }
 
@@ -4279,11 +4484,11 @@ 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 */
@@ -4327,12 +4532,20 @@ draw_empty_focus (GtkTreeView *tree_view, cairo_t *cr)
   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;
+      GtkStateFlags state;
+
+      context = gtk_widget_get_style_context (widget);
+      state = gtk_widget_get_state_flags (widget);
+
+      gtk_style_context_save (context);
+      gtk_style_context_set_state (context, state);
+
+      gtk_render_focus (context, cr, 1, 1, w, h);
+
+      gtk_style_context_restore (context);
+    }
 }
 
 typedef enum {
@@ -4374,9 +4587,19 @@ 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;
     }
 
@@ -4409,10 +4632,10 @@ gtk_tree_view_draw_grid_lines (GtkTreeView    *tree_view,
       if (i == n_visible_columns - 1)
        break;
 
-      if (! column->visible)
+      if (!gtk_tree_view_column_get_visible (column))
        continue;
 
-      current_x += column->width;
+      current_x += gtk_tree_view_column_get_width (column);
 
       gtk_tree_view_draw_line (tree_view, cr,
                                GTK_TREE_VIEW_GRID_LINE,
@@ -4433,7 +4656,6 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
 {
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
   GtkTreePath *path;
-  GtkStyle *style;
   GtkRBTree *tree;
   GList *list;
   GtkRBNode *node;
@@ -4461,15 +4683,19 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
   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;
   gboolean draw_vgrid_lines, draw_hgrid_lines;
+  GtkStyleContext *context;
+  GtkStateFlags state;
 
   rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
+  context = gtk_widget_get_style_context (widget);
+  state = gtk_widget_get_state_flags (widget);
 
   gtk_widget_style_get (widget,
                        "horizontal-separator", &horizontal_separator,
@@ -4484,8 +4710,6 @@ 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);
@@ -4501,15 +4725,16 @@ 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_set_state (context, state);
+      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)
@@ -4555,20 +4780,22 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
   n_visible_columns = 0;
   for (list = tree_view->priv->columns; list; list = list->next)
     {
-      if (! GTK_TREE_VIEW_COLUMN (list->data)->visible)
+      if (!gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data)))
        continue;
       n_visible_columns ++;
     }
 
   /* Find the last column */
   for (last_column = g_list_last (tree_view->priv->columns);
-       last_column && !(GTK_TREE_VIEW_COLUMN (last_column->data)->visible);
+       last_column &&
+       !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (last_column->data)));
        last_column = last_column->prev)
     ;
 
   /* and the first */
   for (first_column = g_list_first (tree_view->priv->columns);
-       first_column && !(GTK_TREE_VIEW_COLUMN (first_column->data)->visible);
+       first_column &&
+       !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (first_column->data)));
        first_column = first_column->next)
     ;
 
@@ -4583,10 +4810,11 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
       gboolean is_separator = FALSE;
       gboolean is_first = FALSE;
       gboolean is_last = FALSE;
-      
+      gint n_col = 0;
+
       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 */
@@ -4606,7 +4834,7 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
       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));
@@ -4621,28 +4849,32 @@ 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];
-         GtkStateType state;
+          GtkRegionFlags row_flags = 0, column_flags = 0;
+         GtkStateFlags state = 0;
+          gint width;
+          gboolean draw_focus;
 
-         if (!column->visible)
+         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 ||
-             cell_offset + column->width < clip.x)
+             cell_offset + width < clip.x)
            {
-             cell_offset += column->width;
+             cell_offset += width;
              continue;
            }
 
-          if (column->show_sort_indicator)
+          if (gtk_tree_view_column_get_sort_indicator (column))
            flags |= GTK_CELL_RENDERER_SORTED;
           else
             flags &= ~GTK_CELL_RENDERER_SORTED;
@@ -4653,7 +4885,7 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
             flags &= ~GTK_CELL_RENDERER_FOCUSED;
 
          background_area.x = cell_offset;
-         background_area.width = column->width;
+         background_area.width = width;
 
           cell_area = background_area;
           cell_area.y += vertical_separator / 2;
@@ -4687,7 +4919,7 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
 
          if (!gdk_rectangle_intersect (&clip, &background_area, NULL))
            {
-             cell_offset += column->width;
+             cell_offset += gtk_tree_view_column_get_width (column);
              continue;
            }
 
@@ -4703,76 +4935,61 @@ 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";
-                }
+              if (parity)
+                row_flags |= GTK_REGION_ODD;
               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";
-                }
-              else
-                {
-                  if (parity)
-                    detail = "cell_odd";
-                  else
-                    detail = "cell_even";
-                }
+                row_flags |= GTK_REGION_EVEN;
             }
 
-          g_assert (detail);
+          if ((flags & GTK_CELL_RENDERER_SORTED) &&
+              n_visible_columns >= 3)
+            column_flags |= GTK_REGION_SORTED;
 
-         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;
-
-         /* 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 == cursor && has_can_focus_cell
+              && ((column == tree_view->priv->focus_column
+                   && tree_view->priv->draw_keyfocus &&
+                   gtk_widget_has_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))
            {
@@ -4780,7 +4997,7 @@ 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))
                {
                  if (!rtl)
                    cell_area.x += depth * tree_view->priv->expander_size;
@@ -4795,12 +5012,9 @@ 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,
+                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);
              else
@@ -4808,8 +5022,9 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
                                                   cr,
                                                   &background_area,
                                                   &cell_area,
-                                                  flags);
-             if (TREE_VIEW_DRAW_EXPANDERS(tree_view)
+                                                  flags,
+                                                   draw_focus);
+             if (gtk_tree_view_draw_expanders (tree_view)
                  && (node->flags & GTK_RBNODE_IS_PARENT) == GTK_RBNODE_IS_PARENT)
                {
                  if (!got_pointer)
@@ -4829,20 +5044,25 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
          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)
@@ -4934,20 +5154,8 @@ 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);
-           }
-
-         cell_offset += column->width;
+          gtk_style_context_restore (context);
+         cell_offset += gtk_tree_view_column_get_width (column);
        }
 
       if (node == drag_highlight)
@@ -4977,17 +5185,11 @@ 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)
+              gtk_render_focus (context, cr,
+                               0, gtk_tree_view_get_row_y_offset (tree_view, tree, node)
                                   - focus_line_width / 2,
                                gdk_window_get_width (tree_view->priv->bin_window),
-                                ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node))
+                                gtk_tree_view_get_row_height (tree_view, node)
                                   - focus_line_width + 1);
               break;
             }
@@ -5004,40 +5206,35 @@ gtk_tree_view_bin_draw (GtkWidget      *widget,
         }
 
       /* 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) &&
+      if (!has_can_focus_cell && node == cursor &&
+          tree_view->priv->draw_keyfocus &&
          gtk_widget_has_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;
@@ -5120,17 +5317,25 @@ gtk_tree_view_draw (GtkWidget *widget,
                     cairo_t   *cr)
 {
   GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
+  GtkWidget   *button;
 
   if (gtk_cairo_should_draw_window (cr, tree_view->priv->bin_window))
     {
+      GtkStyleContext *context;
       GList *tmp_list;
 
+      context = gtk_widget_get_style_context (widget);
+
       cairo_save (cr);
 
+      gtk_style_context_save (context);
+      gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
+
       gtk_cairo_transform_to_window (cr, widget, tree_view->priv->bin_window);
 
       gtk_tree_view_bin_draw (widget, cr);
 
+      gtk_style_context_restore (context);
       cairo_restore (cr);
 
       /* We can't just chain up to Container::draw as it will try to send the
@@ -5158,19 +5363,21 @@ gtk_tree_view_draw (GtkWidget *widget,
          if (column == tree_view->priv->drag_column)
            continue;
 
-         if (column->visible)
-           gtk_container_propagate_draw (GTK_CONTAINER (tree_view),
-                                         column->button,
-                                         cr);
+         if (gtk_tree_view_column_get_visible (column))
+           {
+             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;
@@ -5194,7 +5401,7 @@ gtk_tree_view_get_drop_column (GtkTreeView       *tree_view,
   GtkTreeViewColumn *cur_column = NULL;
   GList *tmp_list;
 
-  if (!column->reorderable)
+  if (!gtk_tree_view_column_get_reorderable (column))
     return (GtkTreeViewColumn *)0x1;
 
   switch (drop_position)
@@ -5212,7 +5419,8 @@ gtk_tree_view_get_drop_column (GtkTreeView       *tree_view,
            cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
            tmp_list = tmp_list->next;
 
-           if (left_column && left_column->visible == FALSE)
+           if (left_column &&
+                gtk_tree_view_column_get_visible (left_column) == FALSE)
              continue;
 
            if (!tree_view->priv->column_drop_func)
@@ -5258,7 +5466,8 @@ gtk_tree_view_get_drop_column (GtkTreeView       *tree_view,
            cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
            tmp_list = tmp_list->next;
 
-           if (left_column && left_column->visible == FALSE)
+           if (left_column &&
+                gtk_tree_view_column_get_visible (left_column) == FALSE)
              {
                left_column = cur_column;
                if (tmp_list)
@@ -5308,7 +5517,8 @@ gtk_tree_view_get_drop_column (GtkTreeView       *tree_view,
 
            left_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
 
-           if (left_column && !left_column->visible)
+           if (left_column &&
+                gtk_tree_view_column_get_visible (left_column) == FALSE)
              {
                /*if (!tmp_list->prev)
                  return (GtkTreeViewColumn *)0x1;
@@ -5357,7 +5567,8 @@ gtk_tree_view_get_drop_column (GtkTreeView       *tree_view,
 
            left_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
 
-           if (left_column && !left_column->visible)
+           if (left_column &&
+                gtk_tree_view_column_get_visible (left_column) == FALSE)
              {
                cur_column = left_column;
                tmp_list = tmp_list->prev;
@@ -5391,6 +5602,7 @@ gtk_tree_view_key_press (GtkWidget   *widget,
                         GdkEventKey *event)
 {
   GtkTreeView *tree_view = (GtkTreeView *) widget;
+  GtkWidget   *button;
 
   if (tree_view->priv->rubber_band_status)
     {
@@ -5400,7 +5612,7 @@ 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)
        {
@@ -5410,7 +5622,7 @@ 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;
@@ -5422,8 +5634,9 @@ 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;
         }
 
@@ -5433,8 +5646,9 @@ 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;
 
-          if (!column->resizable)
+          if (!gtk_tree_view_column_get_resizable (column))
             {
               gtk_widget_error_bell (widget);
               return TRUE;
@@ -5444,53 +5658,62 @@ gtk_tree_view_key_press (GtkWidget   *widget,
               || event->keyval == (rtl ? GDK_KEY_KP_Right : GDK_KEY_KP_Left))
             {
              GtkRequisition button_req;
-              gint old_width = column->resized_width;
+              gint old_width = _gtk_tree_view_column_get_resized_width (column);
+             gint new_width;
 
-             gtk_widget_get_preferred_size (column->button, &button_req, NULL);
+             button = gtk_tree_view_column_get_button (column);
 
-              column->resized_width = MAX (column->resized_width,
-                                           column->width);
-              column->resized_width -= 2;
-              if (column->resized_width < 0)
-                column->resized_width = 0;
+             gtk_widget_get_preferred_size (button, &button_req, NULL);
 
-              if (column->min_width == -1)
-                column->resized_width = MAX (button_req.width,
-                                             column->resized_width);
+              new_width = MAX (old_width, gtk_tree_view_column_get_width (column));
+              new_width -= 2;
+              if (new_width < 0)
+                new_width = 0;
+
+             _gtk_tree_view_column_set_resized_width (column, new_width);
+
+              min_width = gtk_tree_view_column_get_min_width (column);
+              if (min_width == -1)
+                new_width = MAX (button_req.width, new_width);
               else
                 {
-                  column->resized_width = MAX (column->min_width,
-                                               column->resized_width);
+                  new_width = MAX (min_width, new_width);
                 }
 
-              if (column->max_width != -1)
-                column->resized_width = MIN (column->resized_width,
-                                             column->max_width);
+              max_width = gtk_tree_view_column_get_max_width (column);
+              if (max_width != -1)
+                new_width = MIN (new_width, max_width);
 
-              column->use_resized_width = TRUE;
+             _gtk_tree_view_column_set_use_resized_width (column, TRUE);
 
-              if (column->resized_width != old_width)
-                gtk_widget_queue_resize (widget);
+              if (new_width != old_width)
+               {
+                 _gtk_tree_view_column_set_resized_width (column, new_width);
+                 gtk_widget_queue_resize (widget);
+               }
               else
                 gtk_widget_error_bell (widget);
             }
           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;
+              gint old_width = _gtk_tree_view_column_get_resized_width (column);
+             gint new_width;
 
-              column->resized_width = MAX (column->resized_width,
-                                           column->width);
-              column->resized_width += 2;
+              new_width = MAX (old_width, gtk_tree_view_column_get_width (column));
+              new_width += 2;
 
-              if (column->max_width != -1)
-                column->resized_width = MIN (column->resized_width,
-                                             column->max_width);
+              max_width = gtk_tree_view_column_get_max_width (column);
+              if (max_width != -1)
+                new_width = MIN (new_width, max_width);
 
-              column->use_resized_width = TRUE;
+             _gtk_tree_view_column_set_use_resized_width (column, TRUE);
 
-              if (column->resized_width != old_width)
-                gtk_widget_queue_resize (widget);
+              if (new_width != old_width)
+               {
+                 _gtk_tree_view_column_set_resized_width (column, new_width);
+                 gtk_widget_queue_resize (widget);
+               }
               else
                 gtk_widget_error_bell (widget);
             }
@@ -5743,8 +5966,8 @@ 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),
@@ -5762,11 +5985,11 @@ 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;
@@ -5786,7 +6009,6 @@ 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;
@@ -5805,7 +6027,6 @@ 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,
@@ -5821,39 +6042,46 @@ validate_row (GtkTreeView *tree_view,
     || tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH;
 
   for (last_column = g_list_last (tree_view->priv->columns);
-       last_column && !(GTK_TREE_VIEW_COLUMN (last_column->data)->visible);
+       last_column &&
+       !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (last_column->data)));
        last_column = last_column->prev)
     ;
 
   for (first_column = g_list_first (tree_view->priv->columns);
-       first_column && !(GTK_TREE_VIEW_COLUMN (first_column->data)->visible);
+       first_column &&
+       !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (first_column->data)));
        first_column = first_column->next)
     ;
 
   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 (! column->visible)
+      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);
+          row_height += vertical_separator;
+         height = MAX (height, row_height);
          height = MAX (height, tree_view->priv->expander_size);
        }
       else
@@ -5866,27 +6094,28 @@ 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 * tree_view->priv->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)
@@ -5927,7 +6156,7 @@ 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;
@@ -5951,7 +6180,7 @@ 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;
@@ -5965,43 +6194,43 @@ 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;
                         }
                    }
@@ -6062,7 +6291,7 @@ 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);
@@ -6173,7 +6402,7 @@ 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);
 
@@ -6213,7 +6442,7 @@ 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,
@@ -6226,7 +6455,7 @@ 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.
@@ -6234,9 +6463,9 @@ 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
@@ -6253,10 +6482,10 @@ 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));
     }
 
@@ -6301,7 +6530,7 @@ initialize_fixed_height_mode (GtkTreeView *tree_view)
 
       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,
@@ -6326,6 +6555,7 @@ 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;
 
@@ -6347,6 +6577,8 @@ 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;
@@ -6406,14 +6638,22 @@ do_validate_rows (GtkTreeView *tree_view, gboolean queue_resize)
          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)
@@ -6451,15 +6691,21 @@ 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);
+      gtk_tree_view_size_request (GTK_WIDGET (tree_view), &requisition, 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);
@@ -6518,10 +6764,10 @@ 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));
     }
                   
@@ -6572,7 +6818,7 @@ gtk_tree_view_bin_process_updates (GtkTreeView *tree_view)
 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);
@@ -6686,7 +6932,7 @@ 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 */
@@ -6697,8 +6943,8 @@ 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);
 
@@ -6709,11 +6955,13 @@ 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);
 }
 
 /*
@@ -7074,7 +7322,7 @@ 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
@@ -7160,7 +7408,7 @@ out:
     {
       GtkWidget *source_widget;
 
-      *suggested_action = context->suggested_action;
+      *suggested_action = gdk_drag_context_get_suggested_action (context);
       source_widget = gtk_drag_get_source_widget (context);
 
       if (source_widget == widget)
@@ -7168,7 +7416,7 @@ out:
           /* Default to MOVE, unless the user has
            * pressed ctrl or shift to affect available actions
            */
-          if ((context->actions & GDK_ACTION_MOVE) != 0)
+          if ((gdk_drag_context_get_actions (context) & GDK_ACTION_MOVE) != 0)
             *suggested_action = GDK_ACTION_MOVE;
         }
 
@@ -7400,7 +7648,7 @@ gtk_tree_view_drag_data_get (GtkWidget        *widget,
     goto done;
 
   /* If drag_data_get does nothing, try providing row data. */
-  if (selection_data->target == gdk_atom_intern_static_string ("GTK_TREE_MODEL_ROW"))
+  if (gtk_selection_data_get_target (selection_data) == gdk_atom_intern_static_string ("GTK_TREE_MODEL_ROW"))
     {
       gtk_tree_set_row_drag_data (selection_data,
                                  model,
@@ -7680,7 +7928,7 @@ gtk_tree_view_drag_data_received (GtkWidget        *widget,
   if (dest_row == NULL)
     return;
 
-  if (selection_data->length >= 0)
+  if (gtk_selection_data_get_length (selection_data) >= 0)
     {
       if (path_down_mode)
         {
@@ -7691,7 +7939,7 @@ gtk_tree_view_drag_data_received (GtkWidget        *widget,
         }
     }
 
-  if (selection_data->length >= 0)
+  if (gtk_selection_data_get_length (selection_data) >= 0)
     {
       if (gtk_tree_drag_dest_drag_data_received (GTK_TREE_DRAG_DEST (model),
                                                  dest_row,
@@ -7701,7 +7949,7 @@ gtk_tree_view_drag_data_received (GtkWidget        *widget,
 
   gtk_drag_finish (context,
                    accepted,
-                   (context->action == GDK_ACTION_MOVE),
+                   (gdk_drag_context_get_selected_action (context) == GDK_ACTION_MOVE),
                    time);
 
   if (gtk_tree_path_get_depth (dest_row) == 1
@@ -7754,8 +8002,12 @@ 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;
@@ -7773,6 +8025,7 @@ 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;
@@ -7789,25 +8042,29 @@ 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 (!((GtkTreeViewColumn *)list->data)->visible)
+      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;
     }
 
@@ -7907,13 +8164,14 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
                            GtkDirectionType  dir,
                            gboolean          clamp_column_visible)
 {
+  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));
@@ -7921,10 +8179,13 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
   first_column = tree_view->priv->columns;
   while (first_column)
     {
-      if (gtk_widget_get_can_focus (GTK_TREE_VIEW_COLUMN (first_column->data)->button) &&
-         GTK_TREE_VIEW_COLUMN (first_column->data)->visible &&
-         (GTK_TREE_VIEW_COLUMN (first_column->data)->clickable ||
-          GTK_TREE_VIEW_COLUMN (first_column->data)->reorderable))
+      column = GTK_TREE_VIEW_COLUMN (first_column->data);
+      button = gtk_tree_view_column_get_button (column);
+
+      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)))
        break;
       first_column = first_column->next;
     }
@@ -7937,10 +8198,13 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
   last_column = g_list_last (tree_view->priv->columns);
   while (last_column)
     {
-      if (gtk_widget_get_can_focus (GTK_TREE_VIEW_COLUMN (last_column->data)->button) &&
-         GTK_TREE_VIEW_COLUMN (last_column->data)->visible &&
-         (GTK_TREE_VIEW_COLUMN (last_column->data)->clickable ||
-          GTK_TREE_VIEW_COLUMN (last_column->data)->reorderable))
+      column = GTK_TREE_VIEW_COLUMN (last_column->data);
+      button = gtk_tree_view_column_get_button (column);
+
+      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)))
        break;
       last_column = last_column->prev;
     }
@@ -7956,11 +8220,16 @@ 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;
        }
@@ -7971,11 +8240,12 @@ 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;
        }
@@ -7989,7 +8259,7 @@ 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))
@@ -8002,6 +8272,7 @@ 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;
@@ -8014,12 +8285,13 @@ gtk_tree_view_header_focus (GtkTreeView      *tree_view,
              break;
            }
          column = tmp_list->data;
-         if (column->button &&
-             column->visible &&
-             gtk_widget_get_can_focus (column->button))
+         button = gtk_tree_view_column_get_button (column);
+         if (button &&
+             gtk_tree_view_column_get_visible (column) &&
+             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;
            }
        }
@@ -8034,7 +8306,7 @@ 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);
            break;
@@ -8160,20 +8432,26 @@ 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;
 
+  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);
+      GtkStyleContext *context;
+
+      context = gtk_widget_get_style_context (widget);
+
+      gtk_style_context_save (context);
+      gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
+      gtk_style_context_set_background (context, tree_view->priv->bin_window);
+      gtk_style_context_restore (context);
+
+      gtk_style_context_set_background (context, tree_view->priv->header_window);
 
       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);
@@ -8206,7 +8484,7 @@ 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);
          break;
@@ -8216,6 +8494,56 @@ 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;
+  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 = (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;
+      GtkRegionFlags flags = 0;
+
+      if (!gtk_tree_view_column_get_visible (column))
+        continue;
+
+      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 ((rtl && !list->prev) ||
+          (!rtl && !list->next))
+        flags |= GTK_REGION_LAST;
+
+      gtk_widget_path_iter_add_region (path, -1, GTK_STYLE_REGION_COLUMN_HEADER, flags);
+      break;
+    }
+
+  gtk_widget_path_append_for_widget (path, child);
+
+  return path;
+}
+
 static gboolean
 gtk_tree_view_real_move_cursor (GtkTreeView       *tree_view,
                                GtkMovementStep    step,
@@ -8236,7 +8564,7 @@ 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))
@@ -8404,10 +8732,10 @@ gtk_tree_view_row_changed (GtkTreeModel *model,
           GtkTreeViewColumn *column;
 
           column = list->data;
-          if (! column->visible)
+          if (!gtk_tree_view_column_get_visible (column))
             continue;
 
-          if (column->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
+          if (gtk_tree_view_column_get_sizing (column) == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
             {
               _gtk_tree_view_column_cell_set_dirty (column, TRUE);
             }
@@ -8584,17 +8912,16 @@ gtk_tree_view_row_has_child_toggled (GtkTreeModel *model,
   else
     GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_PARENT);
 
-  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 (list->data)->visible)
+           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;
              }
@@ -8644,6 +8971,7 @@ gtk_tree_view_row_deleted (GtkTreeModel *model,
   GtkRBNode *node;
   GList *list;
   gint selection_changed = FALSE;
+  GtkStyleContext *context;
 
   g_return_if_fail (path != NULL);
 
@@ -8660,8 +8988,8 @@ gtk_tree_view_row_deleted (GtkTreeModel *model,
                         check_selection_helper, &selection_changed);
 
   for (list = tree_view->priv->columns; list; list = list->next)
-    if (((GtkTreeViewColumn *)list->data)->visible &&
-       ((GtkTreeViewColumn *)list->data)->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
+    if (gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data)) &&
+       gtk_tree_view_column_get_sizing (GTK_TREE_VIEW_COLUMN (list->data)) == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
       _gtk_tree_view_column_cell_set_dirty ((GtkTreeViewColumn *)list->data, TRUE);
 
   /* Ensure we don't have a dangling pointer to a dead node */
@@ -8670,9 +8998,6 @@ 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 (tree_view->priv->destroy_count_func)
     {
       gint child_count = 0;
@@ -8699,6 +9024,10 @@ gtk_tree_view_row_deleted (GtkTreeModel *model,
       tree_view->priv->top_row = NULL;
     }
 
+  /* Cancel any ongoing animation happening within the row */
+  context = gtk_widget_get_style_context (GTK_WIDGET (tree_view));
+  gtk_style_context_cancel_animations (context, node);
+
   install_scroll_sync_handler (tree_view);
 
   gtk_widget_queue_resize (GTK_WIDGET (tree_view));
@@ -8750,9 +9079,6 @@ 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_widget_queue_draw (GTK_WIDGET (tree_view));
@@ -8795,8 +9121,8 @@ gtk_tree_view_get_background_xrange (GtkTreeView       *tree_view,
       if (tmp_column == column)
         break;
 
-      if (tmp_column->visible)
-        total_width += tmp_column->width;
+      if (gtk_tree_view_column_get_visible (tmp_column))
+        total_width += gtk_tree_view_column_get_width (tmp_column);
     }
 
   if (tmp_column != column)
@@ -8810,12 +9136,13 @@ gtk_tree_view_get_background_xrange (GtkTreeView       *tree_view,
 
   if (x2)
     {
-      if (column->visible)
-        *x2 = total_width + column->width;
+      if (gtk_tree_view_column_get_visible (column))
+        *x2 = total_width + gtk_tree_view_column_get_width (column);
       else
         *x2 = total_width; /* width of 0 */
     }
 }
+
 static void
 gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view,
                                GtkRBTree   *tree,
@@ -8841,14 +9168,14 @@ 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 + tmp_column->width - tree_view->priv->expander_size;
+           x_offset = total_width + gtk_tree_view_column_get_width (tmp_column) - tree_view->priv->expander_size;
          else
            x_offset = total_width;
           break;
         }
 
-      if (tmp_column->visible)
-        total_width += tmp_column->width;
+      if (gtk_tree_view_column_get_visible (tmp_column))
+        total_width += gtk_tree_view_column_get_width (tmp_column);
     }
 
   gtk_widget_style_get (GTK_WIDGET (tree_view),
@@ -8864,8 +9191,9 @@ gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view,
     }
 
   *x1 = x_offset;
-  
-  if (tmp_column && tmp_column->visible)
+
+  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;
   else
@@ -8881,7 +9209,6 @@ 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
     {
@@ -8897,7 +9224,7 @@ gtk_tree_view_build_tree (GtkTreeView *tree_view,
            }
         }
 
-      if (is_list)
+      if (tree_view->priv->is_list)
         continue;
 
       if (recurse)
@@ -8952,11 +9279,11 @@ 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);
@@ -8982,11 +9309,11 @@ 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
@@ -8994,51 +9321,40 @@ 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);
+          GtkCellArea *cell_area;
+          GtkCellRenderer *focus_cell;
 
-         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);
+          cell_area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column));
+          focus_cell = gtk_cell_area_get_focus_cell (cell_area);
 
-         gtk_tree_path_free (cursor_path);
-
-         _gtk_tree_view_column_get_focus_area (column,
-                                               &background_area,
-                                               &cell_area,
-                                               &focus_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);
   }
 }
@@ -9138,7 +9454,7 @@ 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)
@@ -9152,7 +9468,7 @@ gtk_tree_view_is_expander_column (GtkTreeView       *tree_view,
       for (list = tree_view->priv->columns;
           list;
           list = list->next)
-       if (((GtkTreeViewColumn *)list->data)->visible)
+       if (gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data)))
          break;
       if (list && list->data == column)
        return TRUE;
@@ -9160,6 +9476,15 @@ 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,
@@ -9287,7 +9612,7 @@ gtk_tree_view_set_column_drag_info (GtkTreeView       *tree_view,
       cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
       tmp_list = rtl?g_list_previous (tmp_list):g_list_next (tmp_list);
 
-      if (cur_column->visible == FALSE)
+      if (gtk_tree_view_column_get_visible (cur_column) == FALSE)
        continue;
 
       /* If it's not the column moving and func tells us to skip over the column, we continue. */
@@ -9346,11 +9671,16 @@ 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
@@ -9370,7 +9700,8 @@ _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;
 
   g_return_if_fail (tree_view->priv->column_drag_info == NULL);
   g_return_if_fail (tree_view->priv->cur_reorder == NULL);
@@ -9380,12 +9711,14 @@ _gtk_tree_view_column_start_drag (GtkTreeView       *tree_view,
   if (tree_view->priv->column_drag_info == NULL)
     return;
 
+  button = gtk_tree_view_column_get_button (column);
+
   if (tree_view->priv->drag_window == NULL)
     {
       GdkWindowAttr attributes;
       guint attributes_mask;
 
-      gtk_widget_get_allocation (column->button, &button_allocation);
+      gtk_widget_get_allocation (button, &button_allocation);
 
       attributes.window_type = GDK_WINDOW_CHILD;
       attributes.wclass = GDK_INPUT_OUTPUT;
@@ -9398,25 +9731,36 @@ _gtk_tree_view_column_start_drag (GtkTreeView       *tree_view,
       attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
 
       tree_view->priv->drag_window = gdk_window_new (tree_view->priv->bin_window,
-                                                    &attributes,
-                                                    attributes_mask);
+                                                     &attributes,
+                                                     attributes_mask);
       gdk_window_set_user_data (tree_view->priv->drag_window, GTK_WIDGET (tree_view));
     }
 
-  gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
-  gdk_display_keyboard_ungrab (display, GDK_CURRENT_TIME);
+  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_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);
@@ -9432,22 +9776,22 @@ _gtk_tree_view_column_start_drag (GtkTreeView       *tree_view,
   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);
@@ -9456,14 +9800,22 @@ _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
@@ -9481,8 +9833,8 @@ gtk_tree_view_queue_draw_arrow (GtkTreeView        *tree_view,
   rect.x = 0;
   rect.width = MAX (tree_view->priv->expander_size, 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);
 }
@@ -9503,8 +9855,8 @@ _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)
     {
@@ -9520,6 +9872,75 @@ _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;
+}
+
+GdkWindow *
+_gtk_tree_view_get_header_window (GtkTreeView *tree_view)
+{
+  return tree_view->priv->header_window;
+}
+
+void
+_gtk_tree_view_set_focus_column (GtkTreeView       *tree_view,
+                                GtkTreeViewColumn *column)
+{
+  tree_view->priv->focus_column = column;
+}
+
+
 static void
 gtk_tree_view_queue_draw_path (GtkTreeView        *tree_view,
                                GtkTreePath        *path,
@@ -9546,15 +9967,17 @@ gtk_tree_view_draw_arrow (GtkTreeView *tree_view,
                          gint         y)
 {
   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;
 
   widget = GTK_WIDGET (tree_view);
+  context = gtk_widget_get_style_context (widget);
 
   gtk_widget_style_get (widget,
                        "vertical-separator", &vertical_separator,
@@ -9567,48 +9990,49 @@ 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));
-
-  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;
-    }
+  area.y = gtk_tree_view_get_cell_area_y_offset (tree_view, tree, node,
+                                                 vertical_separator);
+  area.width = expander_size;
+  area.height = gtk_tree_view_get_cell_area_height (tree_view, node,
+                                                    vertical_separator);
+
+  if (!gtk_widget_get_sensitive (widget))
+    state |= GTK_STATE_FLAG_INSENSITIVE;
   else
     {
+      flags = 0;
+
+      if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
+        flags |= GTK_CELL_RENDERER_SELECTED;
+
+      state = gtk_cell_renderer_get_state (NULL, widget, flags);
+
+      if (node == tree_view->priv->button_pressed_node &&
+          x >= area.x && x <= (area.x + area.width) &&
+          y >= area.y && y <= (area.y + area.height))
+        state |= GTK_STATE_FLAG_FOCUSED;
+
       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;
+          tree_view->priv->arrow_prelit)
+       state |= GTK_STATE_FLAG_PRELIGHT;
     }
 
-  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;
-  else
-    expander_style = GTK_EXPANDER_COLLAPSED;
+  if (node->children != NULL)
+    state |= GTK_STATE_FLAG_ACTIVE;
+
+  gtk_style_context_save (context);
+
+  gtk_style_context_set_state (context, state);
+  gtk_style_context_add_class (context, GTK_STYLE_CLASS_EXPANDER);
+
+  gtk_style_context_push_animatable_region (context, node);
+
+  gtk_render_expander (context, cr,
+                       area.x, area.y,
+                       area.width, area.height);
 
-  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_pop_animatable_region (context);
+  gtk_style_context_restore (context);
 }
 
 static void
@@ -9655,7 +10079,7 @@ gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view)
 
       if (cursor_path)
        {
-         if (tree_view->priv->selection->type == GTK_SELECTION_MULTIPLE)
+         if (gtk_tree_selection_get_mode (tree_view->priv->selection) == GTK_SELECTION_MULTIPLE)
            gtk_tree_view_real_set_cursor (tree_view, cursor_path, FALSE, FALSE);
          else
            gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, FALSE);
@@ -9664,7 +10088,7 @@ gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view)
 
   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);
@@ -9674,9 +10098,24 @@ gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view)
          GList *list;
          for (list = tree_view->priv->columns; list; list = list->next)
            {
-             if (GTK_TREE_VIEW_COLUMN (list->data)->visible)
+             if (gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data)))
                {
+                 GtkCellArea *cell_area;
+
                  tree_view->priv->focus_column = 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;
                }
            }
@@ -9696,6 +10135,10 @@ gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view,
   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;
@@ -9713,13 +10156,37 @@ gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view,
     /* 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 (cursor_node, GTK_RBNODE_IS_PARENT),
+                                              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,
                                                      cursor_path);
 
   if (selection_count == 0
-      && tree_view->priv->selection->type != GTK_SELECTION_NONE
+      && gtk_tree_selection_get_mode (tree_view->priv->selection) != GTK_SELECTION_NONE
       && !tree_view->priv->ctrl_pressed
       && selectable)
     {
@@ -9757,7 +10224,7 @@ 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)
@@ -9784,6 +10251,10 @@ gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view,
       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);
       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
     {
@@ -9810,6 +10281,9 @@ 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)
@@ -9854,8 +10328,8 @@ gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view,
   y = _gtk_rbtree_node_find_offset (cursor_tree, 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;
@@ -9871,11 +10345,12 @@ 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;
@@ -9936,6 +10411,10 @@ gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view,
   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);
 
@@ -9960,6 +10439,11 @@ 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)
@@ -9967,37 +10451,28 @@ 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 (column->visible == FALSE)
+      if (gtk_tree_view_column_get_visible (column) == FALSE)
        goto loop_end;
 
       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);
-
-      if (rtl)
-        {
-         right = list->prev ? TRUE : FALSE;
-         left = list->next ? TRUE : FALSE;
-       }
-      else
-        {
-         left = list->prev ? TRUE : FALSE;
-         right = list->next ? TRUE : FALSE;
-        }
+                                              tree_view->priv->model,
+                                              &iter,
+                                              GTK_RBNODE_FLAG_SET (cursor_node, GTK_RBNODE_IS_PARENT),
+                                              cursor_node->children?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;
          found_column = TRUE;
          break;
        }
+
     loop_end:
       if (count == 1)
        list = rtl ? list->prev : list->next;
@@ -10007,7 +10482,7 @@ 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,
@@ -10018,6 +10493,9 @@ 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,
@@ -10097,7 +10575,7 @@ 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);
@@ -10111,7 +10589,7 @@ 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);
@@ -10151,7 +10629,7 @@ gtk_tree_view_real_select_cursor_row (GtkTreeView *tree_view,
   if (!tree_view->priv->shift_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;
@@ -10373,7 +10851,7 @@ send_focus_change (GtkWidget *widget,
       GdkEvent *fevent;
       GdkWindow *window;
 
-      if (dev->source != GDK_SOURCE_KEYBOARD)
+      if (gdk_device_get_source (dev) != GDK_SOURCE_KEYBOARD)
         continue;
 
       window = gtk_widget_get_window (widget);
@@ -10396,6 +10874,8 @@ send_focus_change (GtkWidget *widget,
 
       gdk_event_free (fevent);
     }
+
+  g_list_free (devices);
 }
 
 static void
@@ -10466,10 +10946,12 @@ gtk_tree_view_ensure_interactive_directory (GtkTreeView *tree_view)
   g_signal_connect (tree_view->priv->search_entry,
                    "activate", G_CALLBACK (gtk_tree_view_search_activate),
                    tree_view);
-  g_signal_connect (GTK_ENTRY (tree_view->priv->search_entry)->im_context,
+
+  g_signal_connect (_gtk_entry_get_im_context (GTK_ENTRY (tree_view->priv->search_entry)),
                    "preedit-changed",
                    G_CALLBACK (gtk_tree_view_search_preedit_changed),
                    tree_view);
+
   gtk_container_add (GTK_CONTAINER (vbox),
                     tree_view->priv->search_entry);
 
@@ -10505,12 +10987,14 @@ 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 (! column->visible)
+      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;
@@ -10582,6 +11066,7 @@ gtk_tree_view_new_column_width (GtkTreeView *tree_view,
   GtkAllocation allocation;
   GtkTreeViewColumn *column;
   GtkRequisition button_req;
+  gint max_width, min_width;
   gint width;
   gboolean rtl;
 
@@ -10590,20 +11075,22 @@ gtk_tree_view_new_column_width (GtkTreeView *tree_view,
    */
   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);
+  gtk_widget_get_allocation (gtk_tree_view_column_get_button (column), &allocation);
   width = rtl ? (allocation.x + allocation.width - *x) : (*x - allocation.x);
 
   /* Clamp down the value */
-  if (column->min_width == -1)
+  min_width = gtk_tree_view_column_get_min_width (column);
+  if (min_width == -1)
     {
-      gtk_widget_get_preferred_size (column->button, &button_req, NULL);
+      gtk_widget_get_preferred_size (gtk_tree_view_column_get_button (column), &button_req, NULL);
       width = MAX (button_req.width, width);
     }
   else
-    width = MAX (column->min_width,
-                width);
-  if (column->max_width != -1)
-    width = MIN (width, column->max_width);
+    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);
 
@@ -10692,48 +11179,56 @@ gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment,
 {
   if (gtk_widget_get_realized (GTK_WIDGET (tree_view)))
     {
+      GtkStyleContext *context;
       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)
+      context = gtk_widget_get_style_context (GTK_WIDGET (tree_view));
+      gtk_style_context_scroll_animations (context, tree_view->priv->bin_window, 0, dy);
+
+      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);
@@ -10824,11 +11319,13 @@ gtk_tree_view_set_model (GtkTreeView  *tree_view,
   if (tree_view->priv->model)
     {
       GList *tmplist = tree_view->priv->columns;
+      GtkStyleContext *context;
 
       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);
+      context = gtk_widget_get_style_context (GTK_WIDGET (tree_view));
+      gtk_style_context_cancel_animations (context, NULL);
 
       g_signal_handlers_disconnect_by_func (tree_view->priv->model,
                                            gtk_tree_view_row_changed,
@@ -10923,9 +11420,9 @@ 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))
@@ -11104,7 +11601,7 @@ 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;
 }
 
 /**
@@ -11122,18 +11619,16 @@ 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)))
     {
@@ -11142,8 +11637,8 @@ 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);
@@ -11155,18 +11650,23 @@ 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));
 
@@ -11192,7 +11692,7 @@ gtk_tree_view_columns_autosize (GtkTreeView *tree_view)
   for (list = tree_view->priv->columns; list; list = list->next)
     {
       column = list->data;
-      if (column->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
+      if (gtk_tree_view_column_get_sizing (column) == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
        continue;
       _gtk_tree_view_column_cell_set_dirty (column, TRUE);
       dirty = TRUE;
@@ -11242,7 +11742,7 @@ gtk_tree_view_get_headers_clickable (GtkTreeView *tree_view)
   g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
 
   for (list = tree_view->priv->columns; list; list = list->next)
-    if (!GTK_TREE_VIEW_COLUMN (list->data)->clickable)
+    if (!gtk_tree_view_column_get_clickable (GTK_TREE_VIEW_COLUMN (list->data)))
       return FALSE;
 
   return TRUE;
@@ -11320,11 +11820,33 @@ 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_reset_style (header_widget);
+    }
+}
+
 
 /**
  * gtk_tree_view_remove_column:
@@ -11341,7 +11863,7 @@ gtk_tree_view_remove_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 == 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;
@@ -11376,8 +11898,8 @@ gtk_tree_view_remove_column (GtkTreeView       *tree_view,
          GtkTreeViewColumn *tmp_column;
 
          tmp_column = GTK_TREE_VIEW_COLUMN (list->data);
-         if (tmp_column->visible)
-           _gtk_tree_view_column_cell_set_dirty (tmp_column, TRUE);
+         if (gtk_tree_view_column_get_visible (tmp_column))
+            _gtk_tree_view_column_cell_set_dirty (tmp_column, TRUE);
        }
 
       if (tree_view->priv->n_columns == 0 &&
@@ -11387,6 +11909,8 @@ gtk_tree_view_remove_column (GtkTreeView       *tree_view,
       gtk_widget_queue_resize (GTK_WIDGET (tree_view));
     }
 
+  _gtk_tree_view_reset_header_styles (tree_view);
+
   g_object_unref (column);
   g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0);
 
@@ -11413,7 +11937,7 @@ 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)
@@ -11446,12 +11970,13 @@ gtk_tree_view_insert_column (GtkTreeView       *tree_view,
       for (list = tree_view->priv->columns; list; list = list->next)
        {
          column = GTK_TREE_VIEW_COLUMN (list->data);
-         if (column->visible)
-           _gtk_tree_view_column_cell_set_dirty (column, TRUE);
+         if (gtk_tree_view_column_get_visible (column))
+            _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);
   g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0);
 
   return tree_view->priv->n_columns;
@@ -11653,6 +12178,7 @@ 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);
   g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0);
 }
 
@@ -11985,124 +12511,6 @@ 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.
@@ -12263,10 +12671,21 @@ 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);
+    {
+      GtkStyleContext *context;
+
+      context = gtk_widget_get_style_context (GTK_WIDGET (tree_view));
+
+      gtk_style_context_save (context);
+      gtk_style_context_add_class (context, GTK_STYLE_CLASS_EXPANDER);
+
+      gtk_style_context_notify_state_change (context, tree_view->priv->bin_window,
+                                             node, GTK_STATE_ACTIVE, TRUE);
+
+      _gtk_style_context_invalidate_animation_areas (context);
+      gtk_style_context_restore (context);
+    }
 
   install_presize_handler (tree_view);
 
@@ -12340,7 +12759,6 @@ 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);
@@ -12376,7 +12794,7 @@ gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
     {
       GtkTreeViewColumn *column = list->data;
 
-      if (column->visible == FALSE)
+      if (gtk_tree_view_column_get_visible (column) == FALSE)
        continue;
       if (gtk_tree_view_column_get_sizing (column) == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
        _gtk_tree_view_column_cell_set_dirty (column, TRUE);
@@ -12423,8 +12841,6 @@ gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
   tree_view->priv->last_button_x = -1;
   tree_view->priv->last_button_y = -1;
 
-  remove_expand_collapse_timeout (tree_view);
-
   if (gtk_tree_view_unref_and_check_selection_tree (tree_view, node->children))
     {
       _gtk_rbtree_remove (node->children);
@@ -12432,17 +12848,30 @@ gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
     }
   else
     _gtk_rbtree_remove (node->children);
-  
+
   if (animate)
-    add_expand_collapse_timeout (tree_view, tree, node, FALSE);
-  
+    {
+      GtkStyleContext *context;
+
+      context = gtk_widget_get_style_context (GTK_WIDGET (tree_view));
+
+      gtk_style_context_save (context);
+      gtk_style_context_add_class (context, GTK_STYLE_CLASS_EXPANDER);
+
+      gtk_style_context_notify_state_change (context, tree_view->priv->bin_window,
+                                             node, GTK_STATE_ACTIVE, FALSE);
+
+      _gtk_style_context_invalidate_animation_areas (context);
+      gtk_style_context_restore (context);
+    }
+
   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
@@ -12744,8 +13173,8 @@ gtk_tree_view_real_set_cursor (GtkTreeView     *tree_view,
 /**
  * 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
@@ -12851,12 +13280,14 @@ 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);
 
-  if (focus_column && focus_column->visible)
+  if (focus_column &&
+      gtk_tree_view_column_get_visible (focus_column))
     {
       GList *list;
       gboolean column_in_tree = FALSE;
@@ -12872,7 +13303,7 @@ gtk_tree_view_set_cursor_on_cell (GtkTreeView       *tree_view,
       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);
     }
 }
 
@@ -12901,7 +13332,7 @@ 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
  *
@@ -12951,7 +13382,7 @@ 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)
@@ -12965,6 +13396,7 @@ gtk_tree_view_get_path_at_pos (GtkTreeView        *tree_view,
       gint remaining_x = x;
       gboolean found = FALSE;
       gboolean rtl;
+      gint width;
 
       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));
@@ -12973,11 +13405,12 @@ gtk_tree_view_get_path_at_pos (GtkTreeView        *tree_view,
        {
          tmp_column = list->data;
 
-         if (tmp_column->visible == FALSE)
+         if (gtk_tree_view_column_get_visible (tmp_column) == FALSE)
            continue;
 
          last_column = tmp_column;
-         if (remaining_x <= tmp_column->width)
+          width = gtk_tree_view_column_get_width (tmp_column);
+         if (remaining_x <= width)
            {
               found = TRUE;
 
@@ -12989,7 +13422,7 @@ gtk_tree_view_get_path_at_pos (GtkTreeView        *tree_view,
 
              break;
            }
-         remaining_x -= tmp_column->width;
+         remaining_x -= width;
        }
 
       /* If found is FALSE and there is a last_column, then it the remainder
@@ -13003,7 +13436,7 @@ gtk_tree_view_get_path_at_pos (GtkTreeView        *tree_view,
                *column = last_column;
              
              if (cell_x)
-               *cell_x = last_column->width + remaining_x;
+               *cell_x = gtk_tree_view_column_get_width (last_column) + remaining_x;
            }
          else
            {
@@ -13029,12 +13462,48 @@ gtk_tree_view_get_path_at_pos (GtkTreeView        *tree_view,
 }
 
 
+static inline gint
+gtk_tree_view_get_cell_area_height (GtkTreeView *tree_view,
+                                    GtkRBNode   *node,
+                                    gint         vertical_separator)
+{
+  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 < tree_view->priv->expander_size)
+    height = tree_view->priv->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
@@ -13061,7 +13530,7 @@ 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),
@@ -13076,7 +13545,7 @@ gtk_tree_view_get_cell_area (GtkTreeView        *tree_view,
 
   if (column)
     {
-      gtk_widget_get_allocation (column->button, &allocation);
+      gtk_widget_get_allocation (gtk_tree_view_column_get_button (column), &allocation);
       rect->x = allocation.x + horizontal_separator/2;
       rect->width = allocation.width - horizontal_separator;
     }
@@ -13089,8 +13558,21 @@ 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))
@@ -13104,7 +13586,7 @@ 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))
            {
              if (!rtl)
                rect->x += depth * tree_view->priv->expander_size;
@@ -13116,12 +13598,45 @@ gtk_tree_view_get_cell_area (GtkTreeView        *tree_view,
     }
 }
 
+static inline gint
+gtk_tree_view_get_row_height (GtkTreeView *tree_view,
+                              GtkRBNode   *node)
+{
+  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 = tree_view->priv->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
@@ -13160,9 +13675,8 @@ 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)
@@ -13177,7 +13691,7 @@ 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
@@ -13199,10 +13713,10 @@ 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);
     }
 }
 
@@ -13211,8 +13725,8 @@ 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).
@@ -13243,8 +13757,8 @@ 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.
@@ -13275,8 +13789,8 @@ 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()).
@@ -13293,9 +13807,9 @@ 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);
 }
 
 /**
@@ -13303,8 +13817,8 @@ 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.
@@ -13321,9 +13835,9 @@ 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);
 }
 
 /**
@@ -13331,8 +13845,8 @@ 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.
@@ -13359,8 +13873,8 @@ 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).
@@ -13387,8 +13901,9 @@ 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.
@@ -13430,10 +13945,10 @@ 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)
@@ -13445,6 +13960,109 @@ 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)
 {
@@ -13459,7 +14077,7 @@ 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: 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
@@ -13496,7 +14114,8 @@ gtk_tree_view_enable_model_drag_source (GtkTreeView              *tree_view,
 /**
  * gtk_tree_view_enable_model_drag_dest:
  * @tree_view: a #GtkTreeView
- * @targets: 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
@@ -13821,7 +14440,8 @@ gtk_tree_view_create_row_drag_icon (GtkTreeView  *tree_view,
   GtkTreeIter   iter;
   GtkRBTree    *tree;
   GtkRBNode    *node;
-  GtkStyle *style;
+  GtkStyleContext *context;
+  GtkStateFlags state;
   gint cell_offset;
   GList *list;
   GdkRectangle background_area;
@@ -13832,7 +14452,7 @@ 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);
@@ -13858,14 +14478,38 @@ 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);
+
+  state = gtk_widget_get_state_flags (widget);
+  gtk_style_context_set_state (context, state);
+
+  gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
+  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_find_parity (tree, node))
+        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);
 
@@ -13875,8 +14519,10 @@ 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;
 
@@ -13888,7 +14534,7 @@ gtk_tree_view_create_row_drag_icon (GtkTreeView  *tree_view,
       GdkRectangle cell_area;
       gint vertical_separator;
 
-      if (!column->visible)
+      if (!gtk_tree_view_column_get_visible (column))
         continue;
 
       gtk_tree_view_column_cell_set_cell_data (column, tree_view->priv->model, &iter,
@@ -13896,7 +14542,7 @@ gtk_tree_view_create_row_drag_icon (GtkTreeView  *tree_view,
                                               node->children?TRUE:FALSE);
 
       background_area.x = cell_offset;
-      background_area.width = column->width;
+      background_area.width = gtk_tree_view_column_get_width (column);
 
       gtk_widget_style_get (widget,
                            "vertical-separator", &vertical_separator,
@@ -13913,7 +14559,7 @@ 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))
            {
              if (!rtl)
                cell_area.x += depth * tree_view->priv->expander_size;
@@ -13924,22 +14570,19 @@ gtk_tree_view_create_row_drag_icon (GtkTreeView  *tree_view,
       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_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);
          else
            _gtk_tree_view_column_cell_render (column,
                                                cr,
                                               &background_area,
                                               &cell_area,
-                                              0);
+                                              0, FALSE);
        }
-      cell_offset += column->width;
+      cell_offset += gtk_tree_view_column_get_width (column);
     }
 
   cairo_set_source_rgb (cr, 0, 0, 0);
@@ -13954,6 +14597,8 @@ 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;
 }
 
@@ -14080,7 +14725,7 @@ 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.
@@ -14247,7 +14892,7 @@ 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.
@@ -14813,25 +15458,23 @@ 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));
@@ -14839,19 +15482,19 @@ 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;
@@ -14860,84 +15503,49 @@ 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);
+                               cursor_path,
+                               focus_column,
+                               &cell_area);
 
-         area.x += left;
-         area.width -= right + left;
+  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;
 
-         gtk_tree_view_real_start_editing (tree_view,
-                                           tree_view->priv->focus_column,
-                                           cursor_path,
-                                           editable_widget,
-                                           &area,
-                                           NULL,
-                                           flags);
-       }
-
-    }
-  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;
+  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)
     {
@@ -14954,13 +15562,6 @@ 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
@@ -14968,7 +15569,6 @@ gtk_tree_view_stop_editing (GtkTreeView *tree_view,
                            gboolean     cancel_editing)
 {
   GtkTreeViewColumn *column;
-  GtkCellRenderer *cell;
 
   if (tree_view->priv->edited_column == NULL)
     return;
@@ -14984,17 +15584,8 @@ 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);
 }
 
 
@@ -15149,7 +15740,7 @@ 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.
@@ -15218,15 +15809,16 @@ 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)]);
+      GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
+      GtkStyleContext *context;
+
+      context = gtk_widget_get_style_context (widget);
+      gtk_style_context_set_background (context, tree_view->priv->bin_window);
     }
 
   gtk_widget_queue_draw (widget);
@@ -15431,12 +16023,9 @@ 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));
@@ -15458,7 +16047,7 @@ 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;
 }
 
 /**
@@ -15615,7 +16204,7 @@ 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);
@@ -15624,8 +16213,8 @@ 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
  * @path: (out) (allow-none): a pointer to receive a #GtkTreePath or %NULL