[gtk+/client-side-windows: 181/284] Call _gdk_window_process_updates_recurse() in drawRect instead of creating our own expose events

[Alexander Larsson <alexl src gnome org>]

commit 65b5644cda073928f6f9005db3e4bb27c589c165
Author: Richard Hult <richard imendio com>
Date:   Mon Jan 26 20:29:51 2009 +0100

    Call _gdk_window_process_updates_recurse() in drawRect instead of creating our own expose events
---
 gdk/quartz/GdkQuartzView.c |   49 +++++++++++++++++++------------------------
 1 files changed, 22 insertions(+), 27 deletions(-)

diff --git a/gdk/quartz/GdkQuartzView.c b/gdk/quartz/GdkQuartzView.c
index 619f0f6..1d0f4eb 100644
--- a/gdk/quartz/GdkQuartzView.c
+++ b/gdk/quartz/GdkQuartzView.c
@@ -69,43 +69,38 @@
 
   [self getRectsBeingDrawn:&drawn_rects count:&count];
 
-  region = gdk_region_new ();
-
-  for (i = 0; i < count; i++)
-    {
-      gdk_rect.x = drawn_rects[i].origin.x;
-      gdk_rect.y = drawn_rects[i].origin.y;
-      gdk_rect.width = drawn_rects[i].size.width;
-      gdk_rect.height = drawn_rects[i].size.height;
-
-      gdk_region_union_with_rect (region, &gdk_rect);
-    }
-
-  if (!gdk_region_empty (region))
+  /* Note: arbitrary limit here to not degrade performace too much. It would
+   * be better to optimize the construction of the region below, by using
+   * _gdk_region_new_from_yxbanded_rects.
+   */
+  if (count > 25)
     {
-      GdkEvent event;
-      
       gdk_rect.x = rect.origin.x;
       gdk_rect.y = rect.origin.y;
       gdk_rect.width = rect.size.width;
       gdk_rect.height = rect.size.height;
-      
-      event.expose.type = GDK_EXPOSE;
-      event.expose.window = g_object_ref (gdk_window);
-      event.expose.send_event = FALSE;
-      event.expose.count = 0;
-      event.expose.region = region;
-      event.expose.area = gdk_rect;
-      
-      impl->in_paint_rect_count++;
 
-      (*_gdk_event_func) (&event, _gdk_event_data);
+      region = gdk_region_rectangle (&gdk_rect);
+    }
+  else
+    {
+      region = gdk_region_new ();
 
-      impl->in_paint_rect_count--;
+      for (i = 0; i < count; i++)
+        {
+          gdk_rect.x = drawn_rects[i].origin.x;
+          gdk_rect.y = drawn_rects[i].origin.y;
+          gdk_rect.width = drawn_rects[i].size.width;
+          gdk_rect.height = drawn_rects[i].size.height;
 
-      g_object_unref (gdk_window);
+          gdk_region_union_with_rect (region, &gdk_rect);
+        }
     }
 
+  impl->in_paint_rect_count++;
+  _gdk_window_process_updates_recurse (gdk_window, region);
+  impl->in_paint_rect_count--;
+
   gdk_region_destroy (region);
 
   if (needsInvalidateShadow)