[gtk+/gtk-3-0] window: Only draw the resize grip if it is actually visible

[Benjamin Otte <otte src gnome org>]

commit 0cf31b35eb10cb5bc08048ecdc141c949efec4cc
Author: Benjamin Otte <otte redhat com>
Date:   Sat Apr 16 21:48:05 2011 +0200

    window: Only draw the resize grip if it is actually visible
    
    This issue can only be seen if someone calls gtk_widget_draw() on the
    window as otherwise gtk_cairo_should_draw_window() would return FALSE.

 gtk/gtkwindow.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 9b885ae..186809c 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -7304,7 +7304,7 @@ gtk_window_draw (GtkWidget *widget,
   if (GTK_WIDGET_CLASS (gtk_window_parent_class)->draw)
     ret = GTK_WIDGET_CLASS (gtk_window_parent_class)->draw (widget, cr);
 
-  if (priv->grip_window != NULL &&
+  if (priv->resize_grip_visible &&
       gtk_cairo_should_draw_window (cr, priv->grip_window))
     {
       GdkRectangle rect;