diff --git a/libs/tk/ydk/quartz/GdkQuartzView.c b/libs/tk/ydk/quartz/GdkQuartzView.c
index f6682e68ed..7b279c87a1 100644
--- a/libs/tk/ydk/quartz/GdkQuartzView.c
+++ b/libs/tk/ydk/quartz/GdkQuartzView.c
@@ -612,6 +612,8 @@
   private = GDK_WINDOW_OBJECT (gdk_window);
   impl = GDK_WINDOW_IMPL_QUARTZ (private->impl);
 
+  GDK_NOTE (EVENTS, g_print ("setNeedsDisplay, current NDR %p\n", impl->needs_display_region));
+
   if (!impl->needs_display_region)
     impl->needs_display_region = gdk_region_rectangle (&r);
   else 
@@ -648,6 +650,8 @@
   private = GDK_WINDOW_OBJECT (gdk_window);
   impl = GDK_WINDOW_IMPL_QUARTZ (private->impl);
 
+  GDK_NOTE (EVENTS, g_print ("setNeedsDisplayInRect, current NDR %p\n", impl->needs_display_region));
+
   if (!impl->needs_display_region)
     impl->needs_display_region = gdk_region_rectangle (&r);
   else 
@@ -766,6 +770,8 @@
   GdkWindowImplQuartz *impl;
   GdkRectangle r;
 
+  GDK_NOTE (EVENTS, g_print ("reshape\n"));
+
   [super reshape];
 
   NSRect bounds = [self bounds];