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path: root/packages/gtk+/gtk+-2.12.0/range-no-redraw.patch
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5f084ea0849d5967a3c22821542ecaaa8accb398
diff --git a/gtk/gtkrange.c b/gtk/gtkrange.c
index bd95351..64e0e59 100644
--- gtk/gtkrange.c
+++ gtk/gtkrange.c
@@ -109,6 +109,8 @@ struct _GtkRangeLayout
   GtkSensitivityType upper_sensitivity;
 
   gdouble fill_level;
+
+  guint motion_idle_id;
 };
 
 
@@ -205,6 +207,8 @@ static gboolean      gtk_range_real_change_value        (GtkRange      *range,
 static void          gtk_range_update_value             (GtkRange      *range);
 static gboolean      gtk_range_key_press                (GtkWidget     *range,
 							 GdkEventKey   *event);
+static void          gtk_range_add_motion_idle          (GtkRange *range);
+static void          gtk_range_remove_motion_idle       (GtkRange *range);
 
 
 static guint signals[LAST_SIGNAL];
@@ -1167,6 +1171,7 @@ gtk_range_destroy (GtkObject *object)
 
   gtk_range_remove_step_timer (range);
   gtk_range_remove_update_timer (range);
+  gtk_range_remove_motion_idle (range);
   
   if (range->adjustment)
     {
@@ -1276,6 +1281,7 @@ gtk_range_unrealize (GtkWidget *widget)
 
   gtk_range_remove_step_timer (range);
   gtk_range_remove_update_timer (range);
+  gtk_range_remove_motion_idle (range);
   
   gdk_window_set_user_data (range->event_window, NULL);
   gdk_window_destroy (range->event_window);
@@ -2165,7 +2171,7 @@ gtk_range_motion_notify (GtkWidget      *widget,
     gtk_widget_queue_draw (widget);
 
   if (range->layout->grab_location == MOUSE_SLIDER)
-    update_slider_position (range, x, y);
+    gtk_range_add_motion_idle (range);
 
   /* We handled the event if the mouse was in the range_rect */
   return range->layout->mouse_location != MOUSE_OUTSIDE;
@@ -3335,9 +3341,10 @@ initial_timeout (gpointer data)
   g_object_get (settings, "gtk-timeout-repeat", &timeout, NULL);
 
   range = GTK_RANGE (data);
-  range->timer->timeout_id = gdk_threads_add_timeout (timeout * SCROLL_DELAY_FACTOR,
-                                            second_timeout,
-                                            range);
+  range->timer->timeout_id =
+    gdk_threads_add_timeout (timeout * SCROLL_DELAY_FACTOR,
+                             second_timeout,
+                             range);
   /* remove self */
   return FALSE;
 }
@@ -3357,9 +3364,8 @@ gtk_range_add_step_timer (GtkRange      *range,
 
   range->timer = g_new (GtkRangeStepTimer, 1);
 
-  range->timer->timeout_id = gdk_threads_add_timeout (timeout,
-                                            initial_timeout,
-                                            range);
+  range->timer->timeout_id =
+    gdk_threads_add_timeout (timeout, initial_timeout, range);
   range->timer->step = step;
 
   gtk_range_scroll (range, range->timer->step);
@@ -3397,9 +3403,8 @@ gtk_range_reset_update_timer (GtkRange *range)
 {
   gtk_range_remove_update_timer (range);
 
-  range->update_timeout_id = gdk_threads_add_timeout (UPDATE_DELAY,
-                                            update_timeout,
-                                            range);
+  range->update_timeout_id =
+    gdk_threads_add_timeout (UPDATE_DELAY, update_timeout, range);
 }
 
 static void
@@ -3412,5 +3417,40 @@ gtk_range_remove_update_timer (GtkRange *range)
     }
 }
 
+static gboolean
+motion_idle (gpointer data)
+{
+  GtkRange *range = data;
+  GtkRangeLayout *layout = range->layout;
+
+  update_slider_position (range, layout->mouse_x, layout->mouse_y); 
+
+  layout->motion_idle_id = 0;
+
+  return FALSE;
+}
+
+static void
+gtk_range_add_motion_idle (GtkRange *range)
+{
+  if (!range->layout->motion_idle_id)
+    {
+      range->layout->motion_idle_id =
+        gdk_threads_add_idle_full (GDK_PRIORITY_REDRAW,
+                                   motion_idle, range,
+                                   NULL);
+    }
+}
+
+static void
+gtk_range_remove_motion_idle (GtkRange *range)
+{
+  if (range->layout->motion_idle_id != 0)
+    {
+      g_source_remove (range->layout->motion_idle_id);
+      range->layout->motion_idle_id = 0;
+    }
+}
+
 #define __GTK_RANGE_C__
 #include "gtkaliasdef.c"