1 files changed, 37 insertions, 13 deletions

diff --git a/meta/packages/gtk+/gtk+-2.10.12/range-no-redraw.patch b/meta/packages/gtk+/gtk+-2.10.12/range-no-redraw.patch
index 384d71b4fe..e3603d7700 100644
--- a/meta/packages/gtk+/gtk+-2.10.12/range-no-redraw.patch
+++ b/meta/packages/gtk+/gtk+-2.10.12/range-no-redraw.patch
@@ -2,16 +2,40 @@ Index: gtk/gtkrange.c
 ===================================================================
 --- gtk/gtkrange.c      (revision 18523)
 +++ gtk/gtkrange.c      (working copy)
-@@ -1979,8 +1979,12 @@
-       gtk_widget_queue_draw (GTK_WIDGET (range));
-       
-       /* This is so we don't lag the widget being scrolled. */
-+#if 0
-+      /* Disable this, the scroll bar lags a bit but the end result is that
-+         scrolling treeviews is *a lot* smoother. See GNOME #460534. */
-       if (GTK_WIDGET_REALIZED (range))
-         gdk_window_process_updates (GTK_WIDGET (range)->window, FALSE);
-+#endif
-     }
-   
-   /* Note that we don't round off to range->round_digits here.
+@@ -99,6 +99,8 @@
+ 
+   GtkSensitivityType lower_sensitivity;
+   GtkSensitivityType upper_sensitivity;
++
++  guint motion_idle;
+ };
+ 
+ 
+@@ -1721,6 +1723,16 @@
+                  &handled);
+ }
+ 
++static gboolean
++update_slider_position_idle (GtkRange *range)
++{
++  update_slider_position (range, range->layout->mouse_x,range->layout->mouse_y); 
++
++  range->layout->motion_idle = 0;
++
++  return FALSE;
++}
++
+ static void 
+ stop_scrolling (GtkRange *range)
+ {
+@@ -1860,8 +1872,8 @@
+   if (gtk_range_update_mouse_location (range))
+     gtk_widget_queue_draw (widget);
+ 
+-  if (range->layout->grab_location == MOUSE_SLIDER)
+-    update_slider_position (range, x, y);
++  if (range->layout->grab_location == MOUSE_SLIDER && !range->layout->motion_idle)
++    range->layout->motion_idle = g_idle_add ((GSourceFunc)update_slider_position_idle, range);
+ 
+   /* We handled the event if the mouse was in the range_rect */
+   return range->layout->mouse_location != MOUSE_OUTSIDE;