window: Unfreeze window on unmap

Make sure to keep parity with the number of times we froze the window
when we unmap it.
Otherwise it will permanently stay frozen after being remapped.

https://bugzilla.gnome.org/show_bug.cgi?id=766643
https://bugzilla.mozilla.org/show_bug.cgi?id=1225044

diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 87e65ac7ca5fc982488593784fcc353ba765b708..68dff16e759e4e29a83ba40e4c66873b740d6317 100644 (file)
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -6351,7 +6351,11 @@ gtk_window_unmap (GtkWidget *widget)
   gtk_widget_set_mapped (widget, FALSE);
   gdk_window_withdraw (gdk_window);
 
-  priv->configure_request_count = 0;
+  while (priv->configure_request_count > 0)
+    {
+      priv->configure_request_count--;
+      GDK_PRIVATE_CALL (gdk_window_thaw_toplevel_updates) (_gtk_widget_get_window (widget));
+    }
   priv->configure_notify_received = FALSE;
 
   /* on unmap, we reset the default positioning of the window,