[gtk+] Add a default handler for drag_failed

[Matthias Clasen <matthiasc src gnome org>]

commit 9baf24f87e504363e8b313f2ec02d84f13c5e262
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Dec 22 18:46:29 2010 -0500

    Add a default handler for drag_failed
    
    And use it in notebook dnd.

 gtk/gtknotebook.c |   10 +++-------
 gtk/gtkwidget.c   |    3 ++-
 gtk/gtkwidget.h   |    3 +++
 3 files changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/gtk/gtknotebook.c b/gtk/gtknotebook.c
index df0383d..062f337 100644
--- a/gtk/gtknotebook.c
+++ b/gtk/gtknotebook.c
@@ -371,8 +371,7 @@ static void gtk_notebook_drag_end            (GtkWidget        *widget,
 					      GdkDragContext   *context);
 static gboolean gtk_notebook_drag_failed     (GtkWidget        *widget,
 					      GdkDragContext   *context,
-					      GtkDragResult     result,
-					      gpointer          data);
+					      GtkDragResult     result);
 static gboolean gtk_notebook_drag_motion     (GtkWidget        *widget,
 					      GdkDragContext   *context,
 					      gint              x,
@@ -665,6 +664,7 @@ gtk_notebook_class_init (GtkNotebookClass *class)
   widget_class->drag_drop = gtk_notebook_drag_drop;
   widget_class->drag_data_get = gtk_notebook_drag_data_get;
   widget_class->drag_data_received = gtk_notebook_drag_data_received;
+  widget_class->drag_failed = gtk_notebook_drag_failed;
   widget_class->compute_expand = gtk_notebook_compute_expand;
 
   container_class->add = gtk_notebook_add;
@@ -1202,9 +1202,6 @@ gtk_notebook_init (GtkNotebook *notebook)
 		     notebook_targets, G_N_ELEMENTS (notebook_targets),
                      GDK_ACTION_MOVE);
 
-  g_signal_connect (G_OBJECT (notebook), "drag-failed",
-		    G_CALLBACK (gtk_notebook_drag_failed), NULL);
-
   gtk_drag_dest_set_track_motion (GTK_WIDGET (notebook), TRUE);
 
   context = gtk_widget_get_style_context (GTK_WIDGET (notebook));
@@ -3588,8 +3585,7 @@ gtk_notebook_create_window (GtkNotebook *notebook,
 static gboolean
 gtk_notebook_drag_failed (GtkWidget      *widget,
 			  GdkDragContext *context,
-			  GtkDragResult   result,
-			  gpointer        data)
+			  GtkDragResult   result)
 {
   if (result == GTK_DRAG_RESULT_NO_TARGET)
     {
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 87834ed..07f360c 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -2455,7 +2455,8 @@ gtk_widget_class_init (GtkWidgetClass *klass)
     g_signal_new (I_("drag-failed"),
 		  G_TYPE_FROM_CLASS (klass),
 		  G_SIGNAL_RUN_LAST,
-		  0, _gtk_boolean_handled_accumulator, NULL,
+		  G_STRUCT_OFFSET (GtkWidgetClass, drag_failed),
+		  _gtk_boolean_handled_accumulator, NULL,
 		  _gtk_marshal_BOOLEAN__OBJECT_ENUM,
 		  G_TYPE_BOOLEAN, 2,
 		  GDK_TYPE_DRAG_CONTEXT,
diff --git a/gtk/gtkwidget.h b/gtk/gtkwidget.h
index 54acc3d..a2d4d5b 100644
--- a/gtk/gtkwidget.h
+++ b/gtk/gtkwidget.h
@@ -375,6 +375,9 @@ struct _GtkWidgetClass
 				    GtkSelectionData   *selection_data,
 				    guint               info,
 				    guint               time_);
+  gboolean (* drag_failed)         (GtkWidget          *widget,
+                                    GdkDragContext     *context,
+                                    GtkDragResult       result);
 
   /* Signals used only for keybindings */
   gboolean (* popup_menu)          (GtkWidget          *widget);