From: Joakim Verona <joakim@verona.se>
Date: Tue, 3 Feb 2015 00:05:15 +0000 (+0100)
Subject: Guard against invalid gtk view
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=796514a9ab74da9f3931755bd8183ad732567ebc;p=emacs.git

Guard against invalid gtk view
---

diff --git a/src/xwidget.c b/src/xwidget.c
index 747e803acc9..cf1ec3bc910 100644
--- a/src/xwidget.c
+++ b/src/xwidget.c
@@ -438,10 +438,15 @@ xwidget_slider_changed (GtkRange *range,
 /* when the off-screen webkit master view changes this signal is called.
    it copies the bitmap from the off-screen webkit instance */
 gboolean
-offscreen_damage_event (GtkWidget *widget, GdkEvent *event, gpointer data)
+offscreen_damage_event (GtkWidget *widget, GdkEvent *event, gpointer xv_widget)
 {
-  //TODO this is wrong! should just queu a redraw of onscreen widget
-  gtk_widget_queue_draw (GTK_WIDGET (data));
+  //queue a redraw of onscreen widget
+  if (GTK_IS_WIDGET (xv_widget))
+    gtk_widget_queue_draw (GTK_WIDGET (xv_widget));
+  else
+    printf("Warning, offscreen_damage_event received invalid xv pointer:%x\n",xv_widget);
+
+
   return FALSE;
 }