Possibly a genuine fix - use an explicit CALayer for the TKContentView.

1 files changed, 4 insertions, 3 deletions

diff --git a/macosx/tkMacOSXNotify.c b/macosx/tkMacOSXNotify.c
index f32fa76..0438525 100644
--- a/macosx/tkMacOSXNotify.c
+++ b/macosx/tkMacOSXNotify.c
@@ -340,8 +340,9 @@ TkMacOSXNotifyExitHandler(
  *       for all views that need display before it returns.  We call it with
  *       deQueue=NO so that it will not change anything on the AppKit event
  *       queue, because we only want the side effect that it runs drawRect. The
- *       only time when any NSViews have the needsDisplay property set to YES
- *       is during execution of this function.
+ *       only times when any NSViews have the needsDisplay property set to YES
+ *       are during execution of this function or in the addDirtyRect method
+ *       of TKContentView.
  *
  *       The reason for running this function as an idle task is to try to
  *       arrange that all widgets will be fully configured before they are
@@ -377,7 +378,7 @@ TkMacOSXDrawAllViews(
 		if (dirtyCount) {
 		   continue;
 		}
-		[view setNeedsDisplayInRect:[view tkDirtyRect]];
+		[[view layer] setNeedsDisplayInRect:[view tkDirtyRect]];
 	    }
 	} else {
 	    [window displayIfNeeded];