[aseprite] 227/250: Fix crash closing the window when it's on fullscreen mode on OS X

[Tobias Hansen]

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thansen pushed a commit to branch master
in repository aseprite.

commit 05249dc19133b27a483a1d363b11b9ebc57412d6
Author: David Capello <davidcapello at gmail.com>
Date:   Tue Nov 3 16:14:05 2015 -0300

    Fix crash closing the window when it's on fullscreen mode on OS X
---
 src/allegro/src/macosx/system.m | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/allegro/src/macosx/system.m b/src/allegro/src/macosx/system.m
index df50d2a..f2c41d2 100644
--- a/src/allegro/src/macosx/system.m
+++ b/src/allegro/src/macosx/system.m
@@ -198,11 +198,15 @@ void osx_event_handler()
    int event_type;
    BOOL gotmouseevent = NO;
 
-   while ((event = [NSApp nextEventMatchingMask: NSAnyEventMask
-                                      untilDate: [NSDate distantPast]
-                                         inMode: NSDefaultRunLoopMode
-                                        dequeue: YES]))
+   while (osx_window != nil)
    {
+     event = [NSApp nextEventMatchingMask: NSAnyEventMask
+                                untilDate: [NSDate distantPast]
+                                   inMode: NSDefaultRunLoopMode
+                                  dequeue: YES];
+     if (!event)
+       return;
+
      BOOL send_event = YES;
 
       _unix_lock_mutex(osx_skip_events_processing_mutex);

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