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Cocoa: ignore mouseDown events in a window's titlebar.
These events accidentally slipping in sometimes appears to be a bug (or
maybe new behavior) in 10.10, as previous versions of Mac OS X don't appear
to ever trigger this.

Thanks to Paulo Marques for pointing out the fix on the SDL mailing list!

Fixes Bugzilla #2842 (again).
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icculus committed May 31, 2015
1 parent 8c9571a commit 870df8adabc86fca9067a69313c1afc9e8dc3241
Showing with 8 additions and 0 deletions.
  1. +8 −0 src/video/cocoa/SDL_cocoawindow.m
@@ -751,6 +751,14 @@ - (void)mouseDown:(NSEvent *)theEvent
int button;

/* Ignore events that aren't inside the client area (i.e. title bar.) */
if ([theEvent window]) {
const NSRect windowRect = [[[theEvent window] contentView] frame];
if (!NSPointInRect([theEvent locationInWindow], windowRect)) {

if ([self processHitTest:theEvent]) {
return; /* dragging, drop event. */

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