[gtk+] GtkMenu: take csd shadows into account for placement

[Matthias Clasen <matthiasc src gnome org>]

commit e9ed210b0be283676f54bcb232aebc66b9741825
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jun 6 18:00:36 2014 -0400

    GtkMenu: take csd shadows into account for placement
    
    When placing menus, we don't want the shadow to influence
    our choice.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=731187

 gtk/gtkmenu.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkmenu.c b/gtk/gtkmenu.c
index fa17641..f1bf243 100644
--- a/gtk/gtkmenu.c
+++ b/gtk/gtkmenu.c
@@ -111,6 +111,7 @@
 #include "gtkintl.h"
 #include "gtktypebuiltins.h"
 #include "gtkwidgetprivate.h"
+#include "gtkwindowprivate.h"
 
 #include "deprecated/gtktearoffmenuitem.h"
 
@@ -4474,6 +4475,7 @@ gtk_menu_position (GtkMenu  *menu,
   GdkScreen *pointer_screen;
   GdkRectangle monitor;
   GdkDevice *pointer;
+  GtkBorder border;
 
   widget = GTK_WIDGET (menu);
 
@@ -4485,8 +4487,11 @@ gtk_menu_position (GtkMenu  *menu,
    * the right place to popup the menu.
    */
   gtk_widget_realize (priv->toplevel);
-  requisition.width = gtk_widget_get_allocated_width (widget);
-  requisition.height = gtk_widget_get_allocated_height (widget);
+
+  _gtk_window_get_shadow_width (GTK_WINDOW (priv->toplevel), &border);
+
+  requisition.width = gtk_widget_get_allocated_width (widget)- border.left - border.right;
+  requisition.height = gtk_widget_get_allocated_height (widget) - border.top - border.bottom;
 
   if (pointer_screen != screen)
     {
@@ -4658,6 +4663,9 @@ gtk_menu_position (GtkMenu  *menu,
 
   x = CLAMP (x, monitor.x, MAX (monitor.x, monitor.x + monitor.width - requisition.width));
 
+  x -= border.left;
+  y -= border.top;
+
   if (GTK_MENU_SHELL (menu)->priv->active)
     {
       priv->have_position = TRUE;