GTK: hook up drag and drop of browser actions (for reordering)....

chrome/browser/gtk/bookmark_bar_gtk.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/gtk/bookmark_bar_gtk.h"
 
 #include <vector>
 
 #include "app/gfx/gtk_util.h"
 #include "app/gfx/canvas_paint.h"
@@ skipping 217 matching lines @@
   g_signal_connect(instructions_, "drag-data-received",
                    G_CALLBACK(&OnDragReceived), this);
 
   g_signal_connect(event_box_.get(), "expose-event",
                    G_CALLBACK(&OnEventBoxExpose), this);
   UpdateEventBoxPaintability();
 
   bookmark_toolbar_.Own(gtk_toolbar_new());
   SetToolBarStyle();
   gtk_widget_set_name(bookmark_toolbar_.get(), "chrome-bookmark-toolbar");
-  gtk_widget_set_app_paintable(bookmark_toolbar_.get(), TRUE);
-  g_signal_connect(bookmark_toolbar_.get(), "expose-event",
-                   G_CALLBACK(&OnToolbarExpose), this);
+  gtk_util::SuppressDefaultPainting(bookmark_toolbar_.get());
   g_signal_connect(bookmark_toolbar_.get(), "size-allocate",
                    G_CALLBACK(&OnToolbarSizeAllocate), this);
   gtk_box_pack_start(GTK_BOX(bookmark_hbox_), bookmark_toolbar_.get(),
                      TRUE, TRUE, 0);
 
   overflow_button_ = theme_provider_->BuildChromeButton();
   g_object_set_data(G_OBJECT(overflow_button_), "left-align-popup",
                     reinterpret_cast<void*>(true));
   SetOverflowButtonAppearance();
   ConnectFolderButtonEvents(overflow_button_);
@@ skipping 716 matching lines @@
                                            bar->profile_);
 }
 
 // static
 void BookmarkBarGtk::OnFolderClicked(GtkWidget* sender,
                                      BookmarkBarGtk* bar) {
   bar->PopupForButton(sender);
 }
 
 // static
-gboolean BookmarkBarGtk::OnToolbarExpose(GtkWidget* widget,
-                                         GdkEventExpose* event,
-                                         BookmarkBarGtk* bar) {
-  // A GtkToolbar's expose handler first draws a box. We don't want that so we
-  // need to propagate the expose event to all the container's children.
-  GList* children = gtk_container_get_children(GTK_CONTAINER(widget));
-  for (GList* item = children; item; item = item->next) {
-    gtk_container_propagate_expose(GTK_CONTAINER(widget),
-                                   GTK_WIDGET(item->data),
-                                   event);
-  }
-  g_list_free(children);
-
-  return TRUE;
-}
-
-// static
 gboolean BookmarkBarGtk::OnToolbarDragMotion(GtkToolbar* toolbar,
                                              GdkDragContext* context,
                                              gint x,
                                              gint y,
                                              guint time,
                                              BookmarkBarGtk* bar) {
   GdkAtom target_type =
       gtk_drag_dest_find_target(GTK_WIDGET(toolbar), context, NULL);
   if (target_type == GDK_NONE) {
     // We shouldn't act like a drop target when something that we can't deal
@@ skipping 319 matching lines @@
     string16 link_text;
     sync_ui_util::MessageType sync_status;
     sync_status = sync_ui_util::GetStatusLabels(
         sync_service_, &status_text, &link_text);
     if (sync_status == sync_ui_util::SYNC_ERROR) {
       show_sync_error_button = true;
     }
   }
   return show_sync_error_button;
 }