Index: SDL_QuartzEvents.m
===================================================================
--- SDL_QuartzEvents.m	(revision 5438)
+++ SDL_QuartzEvents.m	(working copy)
@@ -736,6 +736,10 @@
     NSEvent *event;
     NSRect winRect;
     NSAutoreleasePool *pool;
+	
+	static int nOldWidth = -1;
+	static int nOldHeight = -1;
+	int nWidth, nHeight;
 
     if (!SDL_VideoSurface)
         return;  /* don't do anything if there's no screen surface. */
@@ -751,6 +755,27 @@
         }
     }
 
+
+	/* Hack to fix window after display mode change during the game */
+	CFNumberGetValue (CFDictionaryGetValue (CGDisplayCurrentMode(kCGDirectMainDisplay), kCGDisplayWidth), kCFNumberSInt32Type, &nWidth);
+    CFNumberGetValue (CFDictionaryGetValue (CGDisplayCurrentMode(kCGDirectMainDisplay), kCGDisplayHeight), kCFNumberSInt32Type, &nHeight);
+
+	if (nWidth != nOldWidth || nHeight != nOldHeight)
+	{
+		//printf("CHANGED Old %dx%d, New %dx%d!\n", nOldWidth, nOldHeight, nWidth, nHeight);
+		nOldWidth = nWidth;
+		nOldHeight = nHeight; 
+		
+		NSRect pRect = qz_window.frame;
+					
+		pRect.size.width--;										
+		[qz_window setFrame:pRect display:0];
+										
+		pRect.size.width++;
+		[qz_window setFrame:pRect display:0];
+	}
+	/* End hack */
+
     pool = [ [ NSAutoreleasePool alloc ] init ];
     distantPast = [ NSDate distantPast ];