]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtktoolbar.c
Without setting "detail-width-chars" and "detail-height-rows"
[~andy/gtk] / gtk / gtktoolbar.c
index 608a875c4daa3cea0abfdb680ce5525260869683..8b1caddb770a4aa0b80f5280a4b35389431be8fa 100644 (file)
@@ -34,6 +34,7 @@
 #include <config.h>
 #include "gtkarrow.h"
 #include "gtktoolbar.h"
+#include "gtktoolshell.h"
 #include "gtkradiotoolbutton.h"
 #include "gtkseparatortoolitem.h"
 #include "gtkmenu.h"
 #include "gtkvbox.h"
 #include "gtkimage.h"
 #include "gtkseparatormenuitem.h"
+#include "gtkalias.h"
+#include <math.h>
 
 typedef struct _ToolbarContent ToolbarContent;
 
-#define DEFAULT_IPADDING 0
+#define DEFAULT_IPADDING    0
 
 #define DEFAULT_SPACE_SIZE  12
 #define DEFAULT_SPACE_STYLE GTK_TOOLBAR_SPACE_LINE
@@ -65,12 +68,14 @@ typedef struct _ToolbarContent ToolbarContent;
 
 #define DEFAULT_ICON_SIZE GTK_ICON_SIZE_LARGE_TOOLBAR
 #define DEFAULT_TOOLBAR_STYLE GTK_TOOLBAR_BOTH
+#define DEFAULT_ANIMATION_STATE TRUE
 
 #define MAX_HOMOGENEOUS_N_CHARS 13 /* Items that are wider than this do not participate
                                    * in the homogeneous game. In units of
                                    * pango_font_get_estimated_char_width().
                                    */
-#define SLIDE_SPEED 600           /* How fast the items slide, in pixels per second */
+#define SLIDE_SPEED 600.0         /* How fast the items slide, in pixels per second */
+#define ACCEL_THRESHOLD 0.18      /* After how much time in seconds will items start speeding up */
 
 #define MIXED_API_WARNING                                              \
     "Mixing deprecated and non-deprecated GtkToolbar API is not allowed"
@@ -81,7 +86,10 @@ enum {
   PROP_0,
   PROP_ORIENTATION,
   PROP_TOOLBAR_STYLE,
-  PROP_SHOW_ARROW
+  PROP_SHOW_ARROW,
+  PROP_TOOLTIPS,
+  PROP_ICON_SIZE,
+  PROP_ICON_SIZE_SET
 };
 
 /* Child properties */
@@ -96,7 +104,6 @@ enum {
   ORIENTATION_CHANGED,
   STYLE_CHANGED,
   POPUP_CONTEXT_MENU,
-  MOVE_FOCUS,
   FOCUS_HOME_OR_END,
   LAST_SIGNAL
 };
@@ -136,15 +143,16 @@ struct _GtkToolbarPrivate
   gint         max_homogeneous_pixels;
   
   GTimer *     timer;
-  
-  guint                show_arrow : 1;
-  guint                need_sync : 1;
-  guint                is_sliding : 1;
-  guint                need_rebuild : 1;       /* whether the overflow menu should be regenerated */
+
+  gulong        settings_connection;
+
+  guint         show_arrow : 1;
+  guint         need_sync : 1;
+  guint         is_sliding : 1;
+  guint         need_rebuild : 1;  /* whether the overflow menu should be regenerated */
+  guint         animation : 1;
 };
 
-static void       gtk_toolbar_init                 (GtkToolbar          *toolbar);
-static void       gtk_toolbar_class_init           (GtkToolbarClass     *klass);
 static void       gtk_toolbar_set_property         (GObject             *object,
                                                    guint                prop_id,
                                                    const GValue        *value,
@@ -165,6 +173,8 @@ static void       gtk_toolbar_style_set            (GtkWidget           *widget,
                                                    GtkStyle            *prev_style);
 static gboolean   gtk_toolbar_focus                (GtkWidget           *widget,
                                                    GtkDirectionType     dir);
+static void       gtk_toolbar_move_focus           (GtkWidget           *widget,
+                                                   GtkDirectionType     dir);
 static void       gtk_toolbar_screen_changed       (GtkWidget           *widget,
                                                    GdkScreen           *previous_screen);
 static void       gtk_toolbar_map                  (GtkWidget           *widget);
@@ -195,8 +205,6 @@ static void       gtk_toolbar_orientation_changed  (GtkToolbar          *toolbar
                                                    GtkOrientation       orientation);
 static void       gtk_toolbar_real_style_changed   (GtkToolbar          *toolbar,
                                                    GtkToolbarStyle      style);
-static gboolean   gtk_toolbar_move_focus           (GtkToolbar          *toolbar,
-                                                   GtkDirectionType     dir);
 static gboolean   gtk_toolbar_focus_home_or_end    (GtkToolbar          *toolbar,
                                                    gboolean             focus_home);
 static gboolean   gtk_toolbar_button_press         (GtkWidget           *toolbar,
@@ -225,6 +233,7 @@ static gboolean   gtk_toolbar_check_old_api        (GtkToolbar          *toolbar
 
 static GtkReliefStyle       get_button_relief    (GtkToolbar *toolbar);
 static gint                 get_internal_padding (GtkToolbar *toolbar);
+static gint                 get_max_child_expand (GtkToolbar *toolbar);
 static GtkShadowType        get_shadow_type      (GtkToolbar *toolbar);
 static gint                 get_space_size       (GtkToolbar *toolbar);
 static GtkToolbarSpaceStyle get_space_style      (GtkToolbar *toolbar);
@@ -288,41 +297,23 @@ static gboolean        toolbar_content_has_proxy_menu_item  (ToolbarContent        *co
 static gboolean        toolbar_content_is_separator         (ToolbarContent      *content);
 static void            toolbar_content_show_all             (ToolbarContent      *content);
 static void            toolbar_content_hide_all             (ToolbarContent      *content);
+static void           toolbar_content_set_expand           (ToolbarContent      *content,
+                                                            gboolean             expand);
 
+static void            toolbar_tool_shell_iface_init        (GtkToolShellIface   *iface);
+static GtkIconSize     toolbar_get_icon_size                (GtkToolShell        *shell);
+static GtkOrientation  toolbar_get_orientation              (GtkToolShell        *shell);
+static GtkToolbarStyle toolbar_get_style                    (GtkToolShell        *shell);
+static GtkReliefStyle  toolbar_get_relief_style             (GtkToolShell        *shell);
+static void            toolbar_rebuild_menu                 (GtkToolShell        *shell);
 
 #define GTK_TOOLBAR_GET_PRIVATE(o)  \
   (G_TYPE_INSTANCE_GET_PRIVATE ((o), GTK_TYPE_TOOLBAR, GtkToolbarPrivate))
 
-static GtkContainerClass *     parent_class = NULL;
 static guint                   toolbar_signals [LAST_SIGNAL] = { 0 };
 
-GType
-gtk_toolbar_get_type (void)
-{
-  static GtkType type = 0;
-  
-  if (!type)
-    {
-      static const GTypeInfo type_info =
-       {
-         sizeof (GtkToolbarClass),
-         (GBaseInitFunc) NULL,
-         (GBaseFinalizeFunc) NULL,
-         (GClassInitFunc) gtk_toolbar_class_init,
-         (GClassFinalizeFunc) NULL,
-         NULL,
-         sizeof (GtkToolbar),
-         0, /* n_preallocs */
-         (GInstanceInitFunc) gtk_toolbar_init,
-       };
-      
-      type = g_type_register_static (GTK_TYPE_CONTAINER,
-                                    "GtkToolbar",
-                                    &type_info, 0);
-    }
-  
-  return type;
-}
+G_DEFINE_TYPE_WITH_CODE (GtkToolbar, gtk_toolbar, GTK_TYPE_CONTAINER,
+                         G_IMPLEMENT_INTERFACE (GTK_TYPE_TOOL_SHELL, toolbar_tool_shell_iface_init))
 
 static void
 add_arrow_bindings (GtkBindingSet   *binding_set,
@@ -354,6 +345,16 @@ add_ctrl_tab_bindings (GtkBindingSet    *binding_set,
                                GTK_TYPE_DIRECTION_TYPE, direction);
 }
 
+static void
+toolbar_tool_shell_iface_init (GtkToolShellIface *iface)
+{
+  iface->get_icon_size    = toolbar_get_icon_size;
+  iface->get_orientation  = toolbar_get_orientation;
+  iface->get_style        = toolbar_get_style;
+  iface->get_relief_style = toolbar_get_relief_style;
+  iface->rebuild_menu     = toolbar_rebuild_menu;
+}
+
 static void
 gtk_toolbar_class_init (GtkToolbarClass *klass)
 {
@@ -362,8 +363,6 @@ gtk_toolbar_class_init (GtkToolbarClass *klass)
   GtkContainerClass *container_class;
   GtkBindingSet *binding_set;
   
-  parent_class = g_type_class_peek_parent (klass);
-  
   gobject_class = (GObjectClass *)klass;
   widget_class = (GtkWidgetClass *)klass;
   container_class = (GtkContainerClass *)klass;
@@ -378,6 +377,16 @@ gtk_toolbar_class_init (GtkToolbarClass *klass)
   widget_class->size_allocate = gtk_toolbar_size_allocate;
   widget_class->style_set = gtk_toolbar_style_set;
   widget_class->focus = gtk_toolbar_focus;
+
+  /* need to override the base class function via override_class_closure,
+   * because the signal slot is not available in GtkWidgetClass
+   */
+  g_signal_override_class_closure (g_signal_lookup ("move_focus",
+                                                    GTK_TYPE_WIDGET),
+                                   GTK_TYPE_TOOLBAR,
+                                   g_cclosure_new (G_CALLBACK (gtk_toolbar_move_focus),
+                                                   NULL, NULL));
+
   widget_class->screen_changed = gtk_toolbar_screen_changed;
   widget_class->realize = gtk_toolbar_realize;
   widget_class->unrealize = gtk_toolbar_unrealize;
@@ -405,7 +414,7 @@ gtk_toolbar_class_init (GtkToolbarClass *klass)
    * Emitted when the orientation of the toolbar changes.
    */
   toolbar_signals[ORIENTATION_CHANGED] =
-    g_signal_new ("orientation-changed",
+    g_signal_new (I_("orientation-changed"),
                  G_OBJECT_CLASS_TYPE (klass),
                  G_SIGNAL_RUN_FIRST,
                  G_STRUCT_OFFSET (GtkToolbarClass, orientation_changed),
@@ -421,7 +430,7 @@ gtk_toolbar_class_init (GtkToolbarClass *klass)
    * Emitted when the style of the toolbar changes. 
    */
   toolbar_signals[STYLE_CHANGED] =
-    g_signal_new ("style-changed",
+    g_signal_new (I_("style-changed"),
                  G_OBJECT_CLASS_TYPE (klass),
                  G_SIGNAL_RUN_FIRST,
                  G_STRUCT_OFFSET (GtkToolbarClass, style_changed),
@@ -448,7 +457,7 @@ gtk_toolbar_class_init (GtkToolbarClass *klass)
    * Return value: return %TRUE if the signal was handled, %FALSE if not
    */
   toolbar_signals[POPUP_CONTEXT_MENU] =
-    g_signal_new ("popup_context_menu",
+    g_signal_new (I_("popup_context_menu"),
                  G_OBJECT_CLASS_TYPE (klass),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (GtkToolbarClass, popup_context_menu),
@@ -457,25 +466,7 @@ gtk_toolbar_class_init (GtkToolbarClass *klass)
                  G_TYPE_BOOLEAN, 3,
                  G_TYPE_INT, G_TYPE_INT,
                  G_TYPE_INT);
-  /**
-   * GtkToolbar::move-focus:
-   * @toolbar: the #GtkToolbar which emitted the signal
-   * @dir: a #GtkDirection
-   *
-   * A keybinding signal used internally by GTK+. This signal can't
-   * be used in application code.
-   *
-   * Return value: %TRUE if the signal was handled, %FALSE if not
-   */
-  toolbar_signals[MOVE_FOCUS] =
-    _gtk_binding_signal_new ("move_focus",
-                            G_TYPE_FROM_CLASS (klass),
-                            G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
-                            G_CALLBACK (gtk_toolbar_move_focus),
-                            NULL, NULL,
-                            _gtk_marshal_BOOLEAN__ENUM,
-                            G_TYPE_BOOLEAN, 1,
-                            GTK_TYPE_DIRECTION_TYPE);
+
   /**
    * GtkToolbar::focus-home-or-end:
    * @toolbar: the #GtkToolbar which emitted the signal
@@ -487,7 +478,7 @@ gtk_toolbar_class_init (GtkToolbarClass *klass)
    * Return value: %TRUE if the signal was handled, %FALSE if not
    */
   toolbar_signals[FOCUS_HOME_OR_END] =
-    _gtk_binding_signal_new ("focus_home_or_end",
+    _gtk_binding_signal_new (I_("focus_home_or_end"),
                             G_OBJECT_CLASS_TYPE (klass),
                             G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
                             G_CALLBACK (gtk_toolbar_focus_home_or_end),
@@ -504,24 +495,78 @@ gtk_toolbar_class_init (GtkToolbarClass *klass)
                                                      P_("The orientation of the toolbar"),
                                                      GTK_TYPE_ORIENTATION,
                                                      GTK_ORIENTATION_HORIZONTAL,
-                                                     G_PARAM_READWRITE));
+                                                     GTK_PARAM_READWRITE));
   
   g_object_class_install_property (gobject_class,
                                   PROP_TOOLBAR_STYLE,
-                                  g_param_spec_enum ("toolbar_style",
+                                  g_param_spec_enum ("toolbar-style",
                                                      P_("Toolbar Style"),
                                                      P_("How to draw the toolbar"),
                                                      GTK_TYPE_TOOLBAR_STYLE,
-                                                     GTK_TOOLBAR_ICONS,
-                                                     G_PARAM_READWRITE));
+                                                     DEFAULT_TOOLBAR_STYLE,
+                                                     GTK_PARAM_READWRITE));
   g_object_class_install_property (gobject_class,
                                   PROP_SHOW_ARROW,
-                                  g_param_spec_boolean ("show_arrow",
+                                  g_param_spec_boolean ("show-arrow",
                                                         P_("Show Arrow"),
                                                         P_("If an arrow should be shown if the toolbar doesn't fit"),
                                                         TRUE,
-                                                        G_PARAM_READWRITE));
+                                                        GTK_PARAM_READWRITE));
+  
+
+  /**
+   * GtkToolbar:tooltips:
+   * 
+   * If the tooltips of the toolbar should be active or not.
+   * 
+   * Since: 2.8
+   */
+  g_object_class_install_property (gobject_class,
+                                  PROP_TOOLTIPS,
+                                  g_param_spec_boolean ("tooltips",
+                                                        P_("Tooltips"),
+                                                        P_("If the tooltips of the toolbar should be active or not"),
+                                                        TRUE,
+                                                        GTK_PARAM_READWRITE));
   
+
+  /**
+   * GtkToolbar:icon-size:
+   *
+   * The size of the icons in a toolbar is normally determined by
+   * the toolbar-icon-size setting. When this property is set, it 
+   * overrides the setting. 
+   * 
+   * This should only be used for special-purpose toolbars, normal
+   * application toolbars should respect the user preferences for the
+   * size of icons.
+   *
+   * Since: 2.10
+   */
+  g_object_class_install_property (gobject_class,
+                                  PROP_ICON_SIZE,
+                                  g_param_spec_enum ("icon-size",
+                                                     P_("Icon size"),
+                                                     P_("Size of icons in this toolbar"),
+                                                     GTK_TYPE_ICON_SIZE,
+                                                     DEFAULT_ICON_SIZE,
+                                                     GTK_PARAM_READWRITE));  
+
+  /**
+   * GtkToolbar:icon-size-set:
+   *
+   * Is %TRUE if the icon-size property has been set.
+   *
+   * Since: 2.10
+   */
+  g_object_class_install_property (gobject_class,
+                                  PROP_ICON_SIZE_SET,
+                                  g_param_spec_boolean ("icon-size-set",
+                                                        P_("Icon size set"),
+                                                        P_("Whether the icon-size property has been set"),
+                                                        FALSE,
+                                                        GTK_PARAM_READWRITE));  
+
   /* child properties */
   gtk_container_class_install_child_property (container_class,
                                              CHILD_PROP_EXPAND,
@@ -529,7 +574,7 @@ gtk_toolbar_class_init (GtkToolbarClass *klass)
                                                                    P_("Expand"), 
                                                                    P_("Whether the item should receive extra space when the toolbar grows"),
                                                                    TRUE,
-                                                                   G_PARAM_READWRITE));
+                                                                   GTK_PARAM_READWRITE));
   
   gtk_container_class_install_child_property (container_class,
                                              CHILD_PROP_HOMOGENEOUS,
@@ -537,64 +582,73 @@ gtk_toolbar_class_init (GtkToolbarClass *klass)
                                                                    P_("Homogeneous"), 
                                                                    P_("Whether the item should be the same size as other homogeneous items"),
                                                                    TRUE,
-                                                                   G_PARAM_READWRITE));
+                                                                   GTK_PARAM_READWRITE));
   
   /* style properties */
   gtk_widget_class_install_style_property (widget_class,
-                                          g_param_spec_int ("space_size",
+                                          g_param_spec_int ("space-size",
                                                             P_("Spacer size"),
                                                             P_("Size of spacers"),
                                                             0,
                                                             G_MAXINT,
                                                              DEFAULT_SPACE_SIZE,
-                                                            G_PARAM_READABLE));
+                                                            GTK_PARAM_READABLE));
   
   gtk_widget_class_install_style_property (widget_class,
-                                          g_param_spec_int ("internal_padding",
+                                          g_param_spec_int ("internal-padding",
                                                             P_("Internal padding"),
                                                             P_("Amount of border space between the toolbar shadow and the buttons"),
                                                             0,
                                                             G_MAXINT,
                                                              DEFAULT_IPADDING,
-                                                             G_PARAM_READABLE));
-  
+                                                             GTK_PARAM_READABLE));
+
   gtk_widget_class_install_style_property (widget_class,
-                                          g_param_spec_enum ("space_style",
+                                           g_param_spec_int ("max-child-expand",
+                                                             P_("Maximum child expand"),
+                                                             P_("Maximum amount of space an expandable item will be given"),
+                                                             0,
+                                                             G_MAXINT,
+                                                             G_MAXINT,
+                                                             GTK_PARAM_READABLE));
+
+  gtk_widget_class_install_style_property (widget_class,
+                                          g_param_spec_enum ("space-style",
                                                              P_("Space style"),
                                                              P_("Whether spacers are vertical lines or just blank"),
                                                               GTK_TYPE_TOOLBAR_SPACE_STYLE,
                                                               DEFAULT_SPACE_STYLE,
-                                                              G_PARAM_READABLE));
+                                                              GTK_PARAM_READABLE));
   
   gtk_widget_class_install_style_property (widget_class,
-                                          g_param_spec_enum ("button_relief",
+                                          g_param_spec_enum ("button-relief",
                                                              P_("Button relief"),
                                                              P_("Type of bevel around toolbar buttons"),
                                                               GTK_TYPE_RELIEF_STYLE,
                                                               GTK_RELIEF_NONE,
-                                                              G_PARAM_READABLE));
+                                                              GTK_PARAM_READABLE));
   gtk_widget_class_install_style_property (widget_class,
-                                           g_param_spec_enum ("shadow_type",
+                                           g_param_spec_enum ("shadow-type",
                                                               P_("Shadow type"),
                                                               P_("Style of bevel around the toolbar"),
                                                               GTK_TYPE_SHADOW_TYPE,
                                                               GTK_SHADOW_OUT,
-                                                              G_PARAM_READABLE));
+                                                              GTK_PARAM_READABLE));
   
   gtk_settings_install_property (g_param_spec_enum ("gtk-toolbar-style",
                                                     P_("Toolbar style"),
                                                     P_("Whether default toolbars have text only, text and icons, icons only, etc."),
                                                     GTK_TYPE_TOOLBAR_STYLE,
                                                     DEFAULT_TOOLBAR_STYLE,
-                                                    G_PARAM_READWRITE));
+                                                    GTK_PARAM_READWRITE));
   
   gtk_settings_install_property (g_param_spec_enum ("gtk-toolbar-icon-size",
                                                     P_("Toolbar icon size"),
                                                     P_("Size of icons in default toolbars"),
                                                     GTK_TYPE_ICON_SIZE,
                                                     DEFAULT_ICON_SIZE,
-                                                    G_PARAM_READWRITE));  
-  
+                                                    GTK_PARAM_READWRITE));  
+
   binding_set = gtk_binding_set_by_class (klass);
   
   add_arrow_bindings (binding_set, GDK_Left, GTK_DIR_LEFT);
@@ -634,9 +688,9 @@ gtk_toolbar_init (GtkToolbar *toolbar)
   toolbar->orientation = GTK_ORIENTATION_HORIZONTAL;
   toolbar->style = DEFAULT_TOOLBAR_STYLE;
   toolbar->icon_size = DEFAULT_ICON_SIZE;
+  priv->animation = DEFAULT_ANIMATION_STATE;
   toolbar->tooltips = gtk_tooltips_new ();
-  g_object_ref (toolbar->tooltips);
-  gtk_object_sink (GTK_OBJECT (toolbar->tooltips));
+  g_object_ref_sink (toolbar->tooltips);
   
   priv->arrow_button = gtk_toggle_button_new ();
   g_signal_connect (priv->arrow_button, "button_press_event",
@@ -686,6 +740,18 @@ gtk_toolbar_set_property (GObject      *object,
     case PROP_SHOW_ARROW:
       gtk_toolbar_set_show_arrow (toolbar, g_value_get_boolean (value));
       break;
+    case PROP_TOOLTIPS:
+      gtk_toolbar_set_tooltips (toolbar, g_value_get_boolean (value));
+      break;
+    case PROP_ICON_SIZE:
+      gtk_toolbar_set_icon_size (toolbar, g_value_get_enum (value));
+      break;
+    case PROP_ICON_SIZE_SET:
+      if (g_value_get_boolean (value))
+       toolbar->icon_size_set = TRUE;
+      else
+       gtk_toolbar_unset_icon_size (toolbar);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -712,6 +778,15 @@ gtk_toolbar_get_property (GObject    *object,
     case PROP_SHOW_ARROW:
       g_value_set_boolean (value, priv->show_arrow);
       break;
+    case PROP_TOOLTIPS:
+      g_value_set_boolean (value, gtk_toolbar_get_tooltips (toolbar));
+      break;
+    case PROP_ICON_SIZE:
+      g_value_set_enum (value, gtk_toolbar_get_icon_size (toolbar));
+      break;
+    case PROP_ICON_SIZE_SET:
+      g_value_set_boolean (value, toolbar->icon_size_set);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -723,7 +798,7 @@ gtk_toolbar_map (GtkWidget *widget)
 {
   GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (widget);
   
-  GTK_WIDGET_CLASS (parent_class)->map (widget);
+  GTK_WIDGET_CLASS (gtk_toolbar_parent_class)->map (widget);
   
   if (priv->event_window)
     gdk_window_show_unraised (priv->event_window);
@@ -737,7 +812,7 @@ gtk_toolbar_unmap (GtkWidget *widget)
   if (priv->event_window)
     gdk_window_hide (priv->event_window);
   
-  GTK_WIDGET_CLASS (parent_class)->unmap (widget);
+  GTK_WIDGET_CLASS (gtk_toolbar_parent_class)->unmap (widget);
 }
 
 static void
@@ -789,8 +864,8 @@ gtk_toolbar_unrealize (GtkWidget *widget)
       priv->event_window = NULL;
     }
   
-  if (GTK_WIDGET_CLASS (parent_class)->unrealize)
-    (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+  if (GTK_WIDGET_CLASS (gtk_toolbar_parent_class)->unrealize)
+    GTK_WIDGET_CLASS (gtk_toolbar_parent_class)->unrealize (widget);
 }
 
 static gint
@@ -956,12 +1031,35 @@ gtk_toolbar_size_request (GtkWidget      *widget,
 }
 
 static gint
-position (gint from, gint to, gdouble elapsed)
+position (GtkToolbar *toolbar,
+          gint        from,
+          gint        to,
+          gdouble     elapsed)
 {
+  gint n_pixels;
+
+  if (! GTK_TOOLBAR_GET_PRIVATE (toolbar)->animation)
+    return to;
+
+  if (elapsed <= ACCEL_THRESHOLD)
+    {
+      n_pixels = SLIDE_SPEED * elapsed;
+    }
+  else
+    {
+      /* The formula is a second degree polynomial in
+       * @elapsed that has the line SLIDE_SPEED * @elapsed
+       * as tangent for @elapsed == ACCEL_THRESHOLD.
+       * This makes @n_pixels a smooth function of elapsed time.
+       */
+      n_pixels = (SLIDE_SPEED / ACCEL_THRESHOLD) * elapsed * elapsed -
+       SLIDE_SPEED * elapsed + SLIDE_SPEED * ACCEL_THRESHOLD;
+    }
+
   if (to > from)
-    return MIN (from + SLIDE_SPEED * elapsed, to);
+    return MIN (from + n_pixels, to);
   else
-    return MAX (from - SLIDE_SPEED * elapsed, to);
+    return MAX (from - n_pixels, to);
 }
 
 static void
@@ -972,13 +1070,15 @@ compute_intermediate_allocation (GtkToolbar          *toolbar,
 {
   GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar);
   gdouble elapsed = g_timer_elapsed (priv->timer, NULL);
-  
-  intermediate->x = position (start->x, goal->x, elapsed);
-  intermediate->y = position (start->y, goal->y, elapsed);
-  intermediate->width =
-    position (start->x + start->width, goal->x + goal->width, elapsed) - intermediate->x;
-  intermediate->height =
-    position (start->y + start->height, goal->y + goal->height, elapsed) - intermediate->y;
+
+  intermediate->x      = position (toolbar, start->x, goal->x, elapsed);
+  intermediate->y      = position (toolbar, start->y, goal->y, elapsed);
+  intermediate->width  = position (toolbar, start->x + start->width,
+                                   goal->x + goal->width,
+                                   elapsed) - intermediate->x;
+  intermediate->height = position (toolbar, start->y + start->height,
+                                   goal->y + goal->height,
+                                   elapsed) - intermediate->y;
 }
 
 static void
@@ -1033,8 +1133,6 @@ slide_idle_handler (gpointer data)
   GtkToolbarPrivate *priv;
   GList *list;
   
-  GDK_THREADS_ENTER ();
-  
   priv = GTK_TOOLBAR_GET_PRIVATE (toolbar);
   
   if (priv->need_sync)
@@ -1110,7 +1208,6 @@ slide_idle_handler (gpointer data)
   priv->is_sliding = FALSE;
   priv->idle_id = 0;
 
-  GDK_THREADS_LEAVE();
   return FALSE;
 }
 
@@ -1147,7 +1244,7 @@ gtk_toolbar_begin_sliding (GtkToolbar *toolbar)
   priv->is_sliding = TRUE;
   
   if (!priv->idle_id)
-    priv->idle_id = g_idle_add (slide_idle_handler, toolbar);
+    priv->idle_id = gdk_threads_add_idle (slide_idle_handler, toolbar);
   
   rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
   vertical = (toolbar->orientation == GTK_ORIENTATION_VERTICAL);
@@ -1213,7 +1310,7 @@ gtk_toolbar_begin_sliding (GtkToolbar *toolbar)
     }
 
   /* This resize will run before the first idle handler. This
-   * will make sure that items get the right goal allocatiuon
+   * will make sure that items get the right goal allocation
    * so that the idle handler will not immediately return
    * FALSE
    */
@@ -1366,6 +1463,7 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
   gboolean size_changed;
   gdouble elapsed;
   GtkAllocation item_area;
+  GtkShadowType shadow_type;
   
   size_changed = FALSE;
   if (widget->allocation.x != allocation->x            ||
@@ -1397,13 +1495,15 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
   gtk_widget_get_child_requisition (GTK_WIDGET (priv->arrow_button),
                                    &arrow_requisition);
   
+  shadow_type = get_shadow_type (toolbar);
+
   if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
     {
       available_size = size = allocation->width - 2 * border_width;
       short_size = allocation->height - 2 * border_width;
       arrow_size = arrow_requisition.width;
       
-      if (get_shadow_type (toolbar) != GTK_SHADOW_NONE)
+      if (shadow_type != GTK_SHADOW_NONE)
        {
          available_size -= 2 * widget->style->xthickness;
          short_size -= 2 * widget->style->ythickness;
@@ -1415,7 +1515,7 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
       short_size = allocation->width - 2 * border_width;
       arrow_size = arrow_requisition.height;
       
-      if (get_shadow_type (toolbar) != GTK_SHADOW_NONE)
+      if (shadow_type != GTK_SHADOW_NONE)
        {
          available_size -= 2 * widget->style->ythickness;
          short_size -= 2 * widget->style->xthickness;
@@ -1458,7 +1558,7 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
   else
     size = available_size;
   
-  /* calculate widths of items */
+  /* calculate widths and states of items */
   overflowing = FALSE;
   for (list = priv->content, i = 0; list != NULL; list = list->next, ++i)
     {
@@ -1490,7 +1590,7 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
   if (need_arrow)
     {
       arrow_allocation.width = arrow_size;
-      arrow_allocation.height = short_size;
+      arrow_allocation.height = MAX (short_size, 1);
     }
   
   /* expand expandable items */
@@ -1501,7 +1601,9 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
    */
   if (!overflowing)
     {
+      gint max_child_expand;
       n_expand_items = 0;
+      
       for (i = 0, list = priv->content; list != NULL; list = list->next, ++i)
        {
          ToolbarContent *content = list->data;
@@ -1510,6 +1612,7 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
            n_expand_items++;
        }
       
+      max_child_expand = get_max_child_expand (toolbar);
       for (list = priv->content, i = 0; list != NULL; list = list->next, ++i)
        {
          ToolbarContent *content = list->data;
@@ -1519,7 +1622,10 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
              gint extra = size / n_expand_items;
              if (size % n_expand_items != 0)
                extra++;
-             
+
+              if (extra > max_child_expand)
+                extra = max_child_expand;
+
              allocations[i].width += extra;
              size -= extra;
              n_expand_items--;
@@ -1587,7 +1693,7 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
       allocations[i].x += allocation->x;
       allocations[i].y += allocation->y;
       
-      if (get_shadow_type (toolbar) != GTK_SHADOW_NONE)
+      if (shadow_type != GTK_SHADOW_NONE)
        {
          allocations[i].x += widget->style->xthickness;
          allocations[i].y += widget->style->ythickness;
@@ -1599,7 +1705,7 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
       arrow_allocation.x += allocation->x;
       arrow_allocation.y += allocation->y;
       
-      if (get_shadow_type (toolbar) != GTK_SHADOW_NONE)
+      if (shadow_type != GTK_SHADOW_NONE)
        {
          arrow_allocation.x += widget->style->xthickness;
          arrow_allocation.y += widget->style->ythickness;
@@ -1608,7 +1714,7 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
 
   item_area.x += allocation->x;
   item_area.y += allocation->y;
-  if (get_shadow_type (toolbar) != GTK_SHADOW_NONE)
+  if (shadow_type != GTK_SHADOW_NONE)
     {
       item_area.x += widget->style->xthickness;
       item_area.y += widget->style->ythickness;
@@ -1648,7 +1754,7 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
          new_states[i] == NORMAL)
        {
          GtkAllocation alloc;
-         GtkAllocation start_allocation;
+         GtkAllocation start_allocation = { 0, };
          GtkAllocation goal_allocation;
 
          if (priv->is_sliding)
@@ -1668,7 +1774,7 @@ gtk_toolbar_size_allocate (GtkWidget     *widget,
              alloc = allocations[i];
            }
 
-         if (alloc.width == 0 || alloc.height == 0)
+         if (alloc.width <= 0 || alloc.height <= 0)
            {
              toolbar_content_set_child_visible (content, toolbar, FALSE);
            }
@@ -1719,10 +1825,16 @@ static void
 gtk_toolbar_update_button_relief (GtkToolbar *toolbar)
 {
   GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar);
+  GtkReliefStyle relief;
+
+  relief = get_button_relief (toolbar);
+
+  if (relief != gtk_button_get_relief (GTK_BUTTON (priv->arrow_button)))
+    {
+      gtk_toolbar_reconfigured (toolbar);
   
-  gtk_toolbar_reconfigured (toolbar);
-  
-  gtk_button_set_relief (GTK_BUTTON (priv->arrow_button), get_button_relief (toolbar));
+      gtk_button_set_relief (GTK_BUTTON (priv->arrow_button), relief);
+    }
 }
 
 static void
@@ -1732,7 +1844,7 @@ gtk_toolbar_style_set (GtkWidget *widget,
   GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (widget);
   
   priv->max_homogeneous_pixels = -1;
-  
+
   if (GTK_WIDGET_REALIZED (widget))
     gtk_style_set_background (widget->style, widget->window, widget->state);
   
@@ -1819,19 +1931,20 @@ gtk_toolbar_focus_home_or_end (GtkToolbar *toolbar,
 /* Keybinding handler. This function is called when the user presses
  * Ctrl TAB or an arrow key.
  */
-static gboolean
-gtk_toolbar_move_focus (GtkToolbar       *toolbar,
+static void
+gtk_toolbar_move_focus (GtkWidget        *widget,
                        GtkDirectionType  dir)
 {
+  GtkToolbar *toolbar = GTK_TOOLBAR (widget);
+  GtkContainer *container = GTK_CONTAINER (toolbar);
   GList *list;
   gboolean try_focus = FALSE;
   GList *children;
-  GtkContainer *container = GTK_CONTAINER (toolbar);
-  
+
   if (container->focus_child &&
       gtk_widget_child_focus (container->focus_child, dir))
     {
-      return TRUE;
+      return;
     }
   
   children = gtk_toolbar_list_children_in_focus_order (toolbar, dir);
@@ -1848,8 +1961,6 @@ gtk_toolbar_move_focus (GtkToolbar       *toolbar,
     }
   
   g_list_free (children);
-  
-  return FALSE;
 }
 
 /* The focus handler for the toolbar. It called when the user presses
@@ -1889,33 +2000,63 @@ gtk_toolbar_focus (GtkWidget        *widget,
   return result;
 }
 
+static GtkSettings *
+toolbar_get_settings (GtkToolbar *toolbar)
+{
+  GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar);
+  return priv->settings;
+}
+
 static void
 style_change_notify (GtkToolbar *toolbar)
 {
   if (!toolbar->style_set)
     {
       /* pretend it was set, then unset, thus reverting to new default */
-      toolbar->style_set = TRUE; 
+      toolbar->style_set = TRUE;
       gtk_toolbar_unset_style (toolbar);
     }
 }
 
 static void
 icon_size_change_notify (GtkToolbar *toolbar)
-{ 
+{
   if (!toolbar->icon_size_set)
     {
       /* pretend it was set, then unset, thus reverting to new default */
-      toolbar->icon_size_set = TRUE; 
+      toolbar->icon_size_set = TRUE;
       gtk_toolbar_unset_icon_size (toolbar);
     }
 }
 
-static GtkSettings *
-toolbar_get_settings (GtkToolbar *toolbar)
+static void
+animation_change_notify (GtkToolbar *toolbar)
 {
   GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar);
-  return priv->settings;
+  GtkSettings *settings = toolbar_get_settings (toolbar);
+  gboolean animation;
+
+  if (settings)
+    g_object_get (settings,
+                  "gtk-enable-animations", &animation,
+                  NULL);
+  else
+    animation = DEFAULT_ANIMATION_STATE;
+
+  priv->animation = animation;
+}
+
+static void
+settings_change_notify (GtkSettings      *settings,
+                        const GParamSpec *pspec,
+                        GtkToolbar       *toolbar)
+{
+  if (! strcmp (pspec->name, "gtk-toolbar-style"))
+    style_change_notify (toolbar);
+  else if (! strcmp (pspec->name, "gtk-toolbar-icon-size"))
+    icon_size_change_notify (toolbar);
+  else if (! strcmp (pspec->name, "gtk-enable-animations"))
+    animation_change_notify (toolbar);
 }
 
 static void
@@ -1937,33 +2078,26 @@ gtk_toolbar_screen_changed (GtkWidget *widget,
   
   if (old_settings)
     {
-      g_signal_handler_disconnect (old_settings, toolbar->style_set_connection);
-      g_signal_handler_disconnect (old_settings, toolbar->icon_size_connection);
-      
+      g_signal_handler_disconnect (old_settings, priv->settings_connection);
+
       g_object_unref (old_settings);
     }
-  
+
   if (settings)
     {
-      toolbar->style_set_connection =
-       g_signal_connect_swapped (settings,
-                                 "notify::gtk-toolbar-style",
-                                 G_CALLBACK (style_change_notify),
-                                 toolbar);
-      toolbar->icon_size_connection =
-       g_signal_connect_swapped (settings,
-                                 "notify::gtk-toolbar-icon-size",
-                                 G_CALLBACK (icon_size_change_notify),
-                                 toolbar);
-      
-      g_object_ref (settings);
-      priv->settings = settings;
+      priv->settings_connection =
+       g_signal_connect (settings, "notify",
+                          G_CALLBACK (settings_change_notify),
+                          toolbar);
+
+      priv->settings = g_object_ref (settings);
     }
   else
     priv->settings = NULL;
-  
+
   style_change_notify (toolbar);
   icon_size_change_notify (toolbar);
+  animation_change_notify (toolbar);
 }
 
 static int
@@ -2187,8 +2321,7 @@ gtk_toolbar_set_drop_highlight_item (GtkToolbar  *toolbar,
       if (priv->highlight_tool_item)
        g_object_unref (priv->highlight_tool_item);
       
-      g_object_ref (tool_item);
-      gtk_object_sink (GTK_OBJECT (tool_item));
+      g_object_ref_sink (tool_item);
       
       priv->highlight_tool_item = tool_item;
       
@@ -2228,6 +2361,7 @@ gtk_toolbar_set_drop_highlight_item (GtkToolbar  *toolbar,
   gtk_widget_size_request (GTK_WIDGET (priv->highlight_tool_item),
                           &requisition);
 
+  toolbar_content_set_expand (content, gtk_tool_item_get_expand (tool_item));
   
   restart_sliding = FALSE;
   toolbar_content_size_request (content, toolbar, &old_requisition);
@@ -2412,14 +2546,14 @@ gtk_toolbar_forall (GtkContainer *container,
          GtkWidget *child = toolbar_content_get_widget (content);
          
          if (child)
-           (*callback) (child, callback_data);
+           callback (child, callback_data);
        }
       
       list = next;
     }
   
   if (include_internals)
-    (* callback) (priv->arrow_button, callback_data);
+    callback (priv->arrow_button, callback_data);
 }
 
 static GType
@@ -2478,7 +2612,7 @@ gtk_toolbar_real_style_changed (GtkToolbar     *toolbar,
       gtk_toolbar_reconfigured (toolbar);
       
       gtk_widget_queue_resize (GTK_WIDGET (toolbar));
-      g_object_notify (G_OBJECT (toolbar), "toolbar_style");
+      g_object_notify (G_OBJECT (toolbar), "toolbar-style");
     }
 }
 
@@ -2493,18 +2627,35 @@ menu_position_func (GtkMenu  *menu,
   GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar);
   GtkRequisition req;
   GtkRequisition menu_req;
+  GdkRectangle monitor;
+  gint monitor_num;
+  GdkScreen *screen;
   
-  gdk_window_get_origin (GTK_BUTTON (priv->arrow_button)->event_window, x, y);
   gtk_widget_size_request (priv->arrow_button, &req);
   gtk_widget_size_request (GTK_WIDGET (menu), &menu_req);
   
+  screen = gtk_widget_get_screen (GTK_WIDGET (menu));
+  monitor_num = gdk_screen_get_monitor_at_window (screen, priv->arrow_button->window);
+  if (monitor_num < 0)
+    monitor_num = 0;
+  gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
+
+  gdk_window_get_origin (GTK_BUTTON (priv->arrow_button)->event_window, x, y);
   if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
     {
-      *y += priv->arrow_button->allocation.height;
       if (gtk_widget_get_direction (GTK_WIDGET (toolbar)) == GTK_TEXT_DIR_LTR) 
        *x += priv->arrow_button->allocation.width - req.width;
       else 
        *x += req.width - menu_req.width;
+
+      if ((*y + priv->arrow_button->allocation.height + menu_req.height) <= monitor.y + monitor.height)
+       *y += priv->arrow_button->allocation.height;
+      else if ((*y - menu_req.height) >= monitor.y)
+       *y -= menu_req.height;
+      else if (monitor.y + monitor.height - (*y + priv->arrow_button->allocation.height) > *y)
+       *y += priv->arrow_button->allocation.height;
+      else
+       *y -= menu_req.height;
     }
   else 
     {
@@ -2512,10 +2663,13 @@ menu_position_func (GtkMenu  *menu,
        *x += priv->arrow_button->allocation.width;
       else 
        *x -= menu_req.width;
-      *y += priv->arrow_button->allocation.height - req.height;      
+
+      if (*y + menu_req.height > monitor.y + monitor.height &&
+         *y + priv->arrow_button->allocation.height - monitor.y > monitor.y + monitor.height - *y)
+       *y += priv->arrow_button->allocation.height - menu_req.height;
     }
-  
-  *push_in = TRUE;
+
+  *push_in = FALSE;
 }
 
 static void
@@ -2802,6 +2956,8 @@ gtk_toolbar_set_tooltips (GtkToolbar *toolbar,
     gtk_tooltips_enable (toolbar->tooltips);
   else
     gtk_tooltips_disable (toolbar->tooltips);
+
+  g_object_notify (G_OBJECT (toolbar), "tooltips");
 }
 
 /**
@@ -2818,7 +2974,7 @@ gtk_toolbar_get_tooltips (GtkToolbar *toolbar)
 {
   g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), FALSE);
   
-  return toolbar->tooltips->enabled;
+  return TRUE;
 }
 
 /**
@@ -2851,11 +3007,11 @@ gtk_toolbar_get_n_items (GtkToolbar *toolbar)
  * @toolbar: a #GtkToolbar
  * @n: A position on the toolbar
  *
- * Returns the @n<!-- -->'s item on @toolbar, or %NULL if the
+ * Returns the @n<!-- -->'th item on @toolbar, or %NULL if the
  * toolbar does not contain an @n<!-- -->'th item.
  * 
  * Return value: The @n<!-- -->'th #GtkToolItem on @toolbar, or %NULL if there
- * isn't an @n<!-- -->th item.
+ * isn't an @n<!-- -->'th item.
  * 
  * Since: 2.4
  **/
@@ -2891,7 +3047,7 @@ gtk_toolbar_get_nth_item (GtkToolbar *toolbar,
  * gtk_toolbar_get_icon_size:
  * @toolbar: a #GtkToolbar
  *
- * Retrieves the icon size fo the toolbar. See gtk_toolbar_set_icon_size().
+ * Retrieves the icon size for the toolbar. See gtk_toolbar_set_icon_size().
  *
  * Return value: the current icon size for the icons on the toolbar.
  **/
@@ -2953,7 +3109,7 @@ gtk_toolbar_set_show_arrow (GtkToolbar *toolbar,
        gtk_widget_hide (priv->arrow_button);
       
       gtk_widget_queue_resize (GTK_WIDGET (toolbar));      
-      g_object_notify (G_OBJECT (toolbar), "show_arrow");
+      g_object_notify (G_OBJECT (toolbar), "show-arrow");
     }
 }
 
@@ -2962,9 +3118,9 @@ gtk_toolbar_set_show_arrow (GtkToolbar *toolbar,
  * @toolbar: a #GtkToolbar
  * 
  * Returns whether the toolbar has an overflow menu.
- * See gtk_toolbar_set_show_arrow()
+ * See gtk_toolbar_set_show_arrow().
  * 
- * Return value: 
+ * Return value: %TRUE if the toolbar has an overflow menu.
  * 
  * Since: 2.4
  **/
@@ -3044,13 +3200,9 @@ gtk_toolbar_finalize (GObject *object)
   if (priv->idle_id)
     g_source_remove (priv->idle_id);
 
-  G_OBJECT_CLASS (parent_class)->finalize (object);
+  G_OBJECT_CLASS (gtk_toolbar_parent_class)->finalize (object);
 }
 
-/*
- * Deprecated API
- */
-
 /**
  * gtk_toolbar_set_icon_size:
  * @toolbar: A #GtkToolbar
@@ -3060,19 +3212,29 @@ gtk_toolbar_finalize (GObject *object)
  * can call it both before you add the icons and after they've been
  * added. The size you set will override user preferences for the default
  * icon size.
+ * 
+ * This should only be used for special-purpose toolbars, normal
+ * application toolbars should respect the user preferences for the
+ * size of icons.
  **/
 void
 gtk_toolbar_set_icon_size (GtkToolbar  *toolbar,
                           GtkIconSize  icon_size)
 {
   g_return_if_fail (GTK_IS_TOOLBAR (toolbar));
+  g_return_if_fail (icon_size != GTK_ICON_SIZE_INVALID);
   
-  toolbar->icon_size_set = TRUE;
-  
+  if (!toolbar->icon_size_set)
+    {
+      toolbar->icon_size_set = TRUE;  
+      g_object_notify (G_OBJECT (toolbar), "icon-size-set");
+    }
+
   if (toolbar->icon_size == icon_size)
     return;
   
   toolbar->icon_size = icon_size;
+  g_object_notify (G_OBJECT (toolbar), "icon-size");
   
   gtk_toolbar_reconfigured (toolbar);
   
@@ -3107,12 +3269,20 @@ gtk_toolbar_unset_icon_size (GtkToolbar *toolbar)
        size = DEFAULT_ICON_SIZE;
       
       if (size != toolbar->icon_size)
-       gtk_toolbar_set_icon_size (toolbar, size);
+       {
+         gtk_toolbar_set_icon_size (toolbar, size);
+         g_object_notify (G_OBJECT (toolbar), "icon-size");      
+       }
       
       toolbar->icon_size_set = FALSE;
+      g_object_notify (G_OBJECT (toolbar), "icon-size-set");      
     }
 }
 
+/*
+ * Deprecated API
+ */
+
 /**
  * gtk_toolbar_append_item:
  * @toolbar: a #GtkToolbar.
@@ -3586,9 +3756,7 @@ internal_insert_element (GtkToolbar          *toolbar,
 {
   GtkWidget *box;
   ToolbarContent *content;
-  GtkToolbarPrivate *priv;
   char *free_me = NULL;
-  gboolean is_button = FALSE;
 
   GtkWidget *child_widget;
   GtkWidget *child_label;
@@ -3605,8 +3773,6 @@ internal_insert_element (GtkToolbar          *toolbar,
   if (!gtk_toolbar_check_old_api (toolbar))
     return NULL;
   
-  priv = GTK_TOOLBAR_GET_PRIVATE (toolbar);
-  
   child_widget = NULL;
   child_label = NULL;
   child_icon = NULL;
@@ -3623,7 +3789,6 @@ internal_insert_element (GtkToolbar          *toolbar,
     case GTK_TOOLBAR_CHILD_BUTTON:
     case GTK_TOOLBAR_CHILD_TOGGLEBUTTON:
     case GTK_TOOLBAR_CHILD_RADIOBUTTON:
-      is_button = TRUE;
       if (type == GTK_TOOLBAR_CHILD_BUTTON)
        {
          child_widget = gtk_button_new ();
@@ -3703,8 +3868,7 @@ internal_insert_element (GtkToolbar          *toolbar,
   content = toolbar_content_new_compatibility (toolbar, type, child_widget,
                                               child_icon, child_label, position);
   
-  if (free_me)
-    g_free (free_me);
+  g_free (free_me);
   
   return child_widget;
 }
@@ -3712,6 +3876,12 @@ internal_insert_element (GtkToolbar          *toolbar,
 /*
  * ToolbarContent methods
  */
+typedef enum {
+  UNKNOWN,
+  YES,
+  NO
+} TriState;
+
 struct _ToolbarContent
 {
   ContentType  type;
@@ -3726,6 +3896,7 @@ struct _ToolbarContent
       GtkAllocation    goal_allocation;
       guint            is_placeholder : 1;
       guint            disappearing : 1;
+      guint            has_menu : 2;
     } tool_item;
     
     struct
@@ -3746,7 +3917,7 @@ toolbar_content_new_tool_item (GtkToolbar  *toolbar,
   ToolbarContent *content;
   GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar);
   
-  content = g_new0 (ToolbarContent, 1);
+  content = g_slice_new0 (ToolbarContent);
   
   content->type = TOOL_ITEM;
   content->state = NOT_ALLOCATED;
@@ -3782,7 +3953,7 @@ toolbar_content_new_compatibility (GtkToolbar          *toolbar,
   GtkToolbarChild *child;
   GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (toolbar);
   
-  content = g_new0 (ToolbarContent, 1);
+  content = g_slice_new0 (ToolbarContent);
 
   child = &(content->u.compatibility.child);
   
@@ -3860,7 +4031,7 @@ toolbar_content_remove (ToolbarContent *content,
 static void
 toolbar_content_free (ToolbarContent *content)
 {
-  g_free (content);
+  g_slice_free (ToolbarContent, content);
 }
 
 static gint
@@ -3901,13 +4072,11 @@ toolbar_content_expose (ToolbarContent *content,
       
       if (child->type == GTK_TOOLBAR_CHILD_SPACE)
        {
-         if (get_space_style (toolbar) == GTK_TOOLBAR_SPACE_LINE &&
-             content->u.compatibility.space_visible)
-           {
-             _gtk_toolbar_paint_space_line (GTK_WIDGET (toolbar), toolbar,
-                                            &expose->area,
-                                            &content->u.compatibility.space_allocation);
-           }
+         if (content->u.compatibility.space_visible &&
+              get_space_style (toolbar) == GTK_TOOLBAR_SPACE_LINE)
+            _gtk_toolbar_paint_space_line (GTK_WIDGET (toolbar), toolbar,
+                                           &expose->area,
+                                           &content->u.compatibility.space_allocation);
          return;
        }
       
@@ -3935,15 +4104,11 @@ toolbar_content_visible (ToolbarContent *content,
       
       if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL &&
          gtk_tool_item_get_visible_horizontal (item))
-       {
-         return TRUE;
-       }
+       return TRUE;
       
       if ((toolbar->orientation == GTK_ORIENTATION_VERTICAL &&
           gtk_tool_item_get_visible_vertical (item)))
-       {
-         return TRUE;
-       }
+       return TRUE;
       
       return FALSE;
       break;
@@ -4167,7 +4332,8 @@ static gboolean
 toolbar_content_get_expand (ToolbarContent *content)
 {
   if (content->type == TOOL_ITEM &&
-      gtk_tool_item_get_expand (content->u.tool_item.item))
+      gtk_tool_item_get_expand (content->u.tool_item.item) &&
+      !content->u.tool_item.disappearing)
     {
       return TRUE;
     }
@@ -4215,8 +4381,11 @@ toolbar_content_set_child_visible (ToolbarContent *content,
        }
       else
        {
-         content->u.compatibility.space_visible = visible;
-         gtk_widget_queue_draw (GTK_WIDGET (toolbar));
+         if (content->u.compatibility.space_visible != visible)
+           {
+             content->u.compatibility.space_visible = visible;
+             gtk_widget_queue_draw (GTK_WIDGET (toolbar));
+           }
        }
       break;
     }
@@ -4447,13 +4616,34 @@ toolbar_content_retrieve_menu_item (ToolbarContent *content)
 static gboolean
 toolbar_content_has_proxy_menu_item (ToolbarContent *content)
 {
-  GtkWidget *menu_item;
+  if (content->type == TOOL_ITEM)
+    {
+      GtkWidget *menu_item;
+
+      if (content->u.tool_item.has_menu == YES)
+       return TRUE;
+      else if (content->u.tool_item.has_menu == NO)
+       return FALSE;
+
+      menu_item = toolbar_content_retrieve_menu_item (content);
 
-  menu_item = toolbar_content_retrieve_menu_item (content);
+      content->u.tool_item.has_menu = menu_item? YES : NO;
+      
+      return menu_item != NULL;
+    }
+  else
+    {
+      return FALSE;
+    }
+}
 
-  return menu_item != NULL;
+static void
+toolbar_content_set_unknown_menu_status (ToolbarContent *content)
+{
+  if (content->type == TOOL_ITEM)
+    content->u.tool_item.has_menu = UNKNOWN;
 }
+
 static gboolean
 toolbar_content_is_separator (ToolbarContent *content)
 {
@@ -4474,6 +4664,14 @@ toolbar_content_is_separator (ToolbarContent *content)
   return FALSE;
 }
 
+static void
+toolbar_content_set_expand (ToolbarContent *content,
+                           gboolean        expand)
+{
+  if (content->type == TOOL_ITEM)
+    gtk_tool_item_set_expand (content->u.tool_item.item, expand);
+}
+
 static gboolean
 ignore_show_and_hide_all (ToolbarContent *content)
 {
@@ -4529,7 +4727,7 @@ get_space_size (GtkToolbar *toolbar)
   if (toolbar)
     {
       gtk_widget_style_get (GTK_WIDGET (toolbar),
-                           "space_size", &space_size,
+                           "space-size", &space_size,
                            NULL);
     }
   
@@ -4544,7 +4742,7 @@ get_space_style (GtkToolbar *toolbar)
   if (toolbar)
     {
       gtk_widget_style_get (GTK_WIDGET (toolbar),
-                           "space_style", &space_style,
+                           "space-style", &space_style,
                            NULL);
     }
   
@@ -4559,7 +4757,7 @@ get_button_relief (GtkToolbar *toolbar)
   gtk_widget_ensure_style (GTK_WIDGET (toolbar));
   
   gtk_widget_style_get (GTK_WIDGET (toolbar),
-                        "button_relief", &button_relief,
+                        "button-relief", &button_relief,
                         NULL);
   
   return button_relief;
@@ -4571,19 +4769,30 @@ get_internal_padding (GtkToolbar *toolbar)
   gint ipadding = 0;
   
   gtk_widget_style_get (GTK_WIDGET (toolbar),
-                       "internal_padding", &ipadding,
+                       "internal-padding", &ipadding,
                        NULL);
   
   return ipadding;
 }
 
+static gint
+get_max_child_expand (GtkToolbar *toolbar)
+{
+  gint mexpand = G_MAXINT;
+
+  gtk_widget_style_get (GTK_WIDGET (toolbar),
+                        "max-child-expand", &mexpand,
+                        NULL);
+  return mexpand;
+}
+
 static GtkShadowType
 get_shadow_type (GtkToolbar *toolbar)
 {
   GtkShadowType shadow_type;
   
   gtk_widget_style_get (GTK_WIDGET (toolbar),
-                       "shadow_type", &shadow_type,
+                       "shadow-type", &shadow_type,
                        NULL);
   
   return shadow_type;
@@ -4639,31 +4848,63 @@ _gtk_toolbar_paint_space_line (GtkWidget       *widget,
   const double start_fraction = (SPACE_LINE_START / SPACE_LINE_DIVISION);
   const double end_fraction = (SPACE_LINE_END / SPACE_LINE_DIVISION);
   
-  GtkToolbarSpaceStyle space_style;
   GtkOrientation orientation;
 
   g_return_if_fail (GTK_IS_WIDGET (widget));
   
-  space_style = toolbar? get_space_style (toolbar) : DEFAULT_SPACE_STYLE;
   orientation = toolbar? toolbar->orientation : GTK_ORIENTATION_HORIZONTAL;
 
   if (orientation == GTK_ORIENTATION_HORIZONTAL)
     {
-      gtk_paint_vline (widget->style, widget->window,
-                      GTK_WIDGET_STATE (widget), area, widget,
-                      "toolbar",
-                      allocation->y + allocation->height * start_fraction,
-                      allocation->y + allocation->height * end_fraction,
-                      allocation->x + (allocation->width - widget->style->xthickness) / 2);
+      gboolean wide_separators;
+      gint     separator_width;
+
+      gtk_widget_style_get (widget,
+                            "wide-separators", &wide_separators,
+                            "separator-width", &separator_width,
+                            NULL);
+
+      if (wide_separators)
+        gtk_paint_box (widget->style, widget->window,
+                       GTK_WIDGET_STATE (widget), GTK_SHADOW_ETCHED_OUT,
+                       area, widget, "vseparator",
+                       allocation->x + (allocation->width - separator_width) / 2,
+                       allocation->y + allocation->height * start_fraction,
+                       separator_width,
+                       allocation->height * (end_fraction - start_fraction));
+      else
+        gtk_paint_vline (widget->style, widget->window,
+                         GTK_WIDGET_STATE (widget), area, widget,
+                         "toolbar",
+                         allocation->y + allocation->height * start_fraction,
+                         allocation->y + allocation->height * end_fraction,
+                         allocation->x + (allocation->width - widget->style->xthickness) / 2);
     }
   else
     {
-      gtk_paint_hline (widget->style, widget->window,
-                      GTK_WIDGET_STATE (widget), area, widget,
-                      "toolbar",
-                      allocation->x + allocation->width * start_fraction,
-                      allocation->x + allocation->width * end_fraction,
-                      allocation->y + (allocation->height - widget->style->ythickness) / 2);
+      gboolean wide_separators;
+      gint     separator_height;
+
+      gtk_widget_style_get (widget,
+                            "wide-separators",  &wide_separators,
+                            "separator-height", &separator_height,
+                            NULL);
+
+      if (wide_separators)
+        gtk_paint_box (widget->style, widget->window,
+                       GTK_WIDGET_STATE (widget), GTK_SHADOW_ETCHED_OUT,
+                       area, widget, "hseparator",
+                       allocation->x + allocation->width * start_fraction,
+                       allocation->y + (allocation->height - separator_height) / 2,
+                       allocation->width * (end_fraction - start_fraction),
+                       separator_height);
+      else
+        gtk_paint_hline (widget->style, widget->window,
+                         GTK_WIDGET_STATE (widget), area, widget,
+                         "toolbar",
+                         allocation->x + allocation->width * start_fraction,
+                         allocation->x + allocation->width * end_fraction,
+                         allocation->y + (allocation->height - widget->style->ythickness) / 2);
     }
 }
 
@@ -4671,24 +4912,86 @@ gchar *
 _gtk_toolbar_elide_underscores (const gchar *original)
 {
   gchar *q, *result;
-  const gchar *p;
+  const gchar *p, *end;
+  gsize len;
   gboolean last_underscore;
   
-  q = result = g_malloc (strlen (original) + 1);
+  if (!original)
+    return NULL;
+
+  len = strlen (original);
+  q = result = g_malloc (len + 1);
   last_underscore = FALSE;
   
-  for (p = original; *p; p++)
+  end = original + len;
+  for (p = original; p < end; p++)
     {
       if (!last_underscore && *p == '_')
        last_underscore = TRUE;
       else
        {
          last_underscore = FALSE;
-         *q++ = *p;
+         if (original + 2 <= p && p + 1 <= end && 
+              p[-2] == '(' && p[-1] == '_' && p[0] != '_' && p[1] == ')')
+           {
+             q--;
+             *q = '\0';
+             p++;
+           }
+         else
+           *q++ = *p;
        }
     }
+
+  if (last_underscore)
+    *q++ = '_';
   
   *q = '\0';
   
   return result;
 }
+
+static GtkIconSize
+toolbar_get_icon_size (GtkToolShell *shell)
+{
+  return GTK_TOOLBAR (shell)->icon_size;
+}
+
+static GtkOrientation
+toolbar_get_orientation (GtkToolShell *shell)
+{
+  return GTK_TOOLBAR (shell)->orientation;
+}
+
+static GtkToolbarStyle
+toolbar_get_style (GtkToolShell *shell)
+{
+  return GTK_TOOLBAR (shell)->style;
+}
+
+static GtkReliefStyle
+toolbar_get_relief_style (GtkToolShell *shell)
+{
+  return get_button_relief (GTK_TOOLBAR (shell));
+}
+
+static void
+toolbar_rebuild_menu (GtkToolShell *shell)
+{
+  GtkToolbarPrivate *priv = GTK_TOOLBAR_GET_PRIVATE (shell);
+  GList *list;
+
+  priv->need_rebuild = TRUE;
+
+  for (list = priv->content; list != NULL; list = list->next)
+    {
+      ToolbarContent *content = list->data;
+
+      toolbar_content_set_unknown_menu_status (content);
+    }
+  
+  gtk_widget_queue_resize (GTK_WIDGET (shell));
+}
+
+#define __GTK_TOOLBAR_C__
+#include "gtkaliasdef.c"