From 63a20023ade8b7faec416ccc319f877163cd5843 Mon Sep 17 00:00:00 2001
From: "sfraser%netscape.com" <sfraser%netscape.com>
Date: Tue, 13 Apr 1999 01:21:25 +0000
Subject: [PATCH] Null check on focused widget to avoid crash.

---
 widget/src/mac/nsMacEventHandler.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/widget/src/mac/nsMacEventHandler.cpp b/widget/src/mac/nsMacEventHandler.cpp
index 6e3b566d9d2f..5365c6e2e75f 100644
--- a/widget/src/mac/nsMacEventHandler.cpp
+++ b/widget/src/mac/nsMacEventHandler.cpp
@@ -379,11 +379,13 @@ static PRUint32 ConvertMacToRaptorKeyCode(UInt32 eventMessage, UInt32 eventModif
 PRBool nsMacEventHandler::HandleKeyEvent(EventRecord& aOSEvent)
 {
 	// get the focused widget
-	nsWindow* focusedWidget = mTopLevelWidget;
+	nsWindow* focusedWidget = mTopLevelWidget;	
 	nsCOMPtr<nsToolkit> toolkit ( dont_AddRef((nsToolkit*)mTopLevelWidget->GetToolkit()) );
 	if (toolkit)
 		focusedWidget = toolkit->GetFocus();
 	
+	if (!focusedWidget) return PR_FALSE;
+
 	// nsEvent
 	nsKeyEvent	keyEvent;
 	keyEvent.eventStructType = NS_KEY_EVENT;