[Emacs-diffs] [emacs] 01/01: Backport: Fix for 18993.

[Jan D.]

jhd pushed a commit to branch emacs-24
in repository emacs.

commit a6b42789b55688822b762a20865c8d2c812125b9
Author: Jan D <address@hidden>
Date:   Sat Nov 15 19:20:37 2014 +0100

    Backport: Fix for 18993.
    
    * nsterm.m (ns_send_appdefined): Check for application defined
    event on Cocoa (Bug#18993).  Backport from trunk.
---
 src/ChangeLog |    5 +++++
 src/nsterm.m  |   15 +++++++++++++++
 2 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/src/ChangeLog b/src/ChangeLog
index 2ea5d29..4aa9958 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2014-11-15  Jan Djärv  <address@hidden>
+
+        * nsterm.m (ns_send_appdefined): Check for application defined
+        event on Cocoa (Bug#18993).  Backport from trunk.
+
 2014-11-15  Eli Zaretskii  <address@hidden>
 
        * window.c (window_scroll_pixel_based): Avoid truncation/rounding
diff --git a/src/nsterm.m b/src/nsterm.m
index b3a4e08..7e2d4be 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -3434,6 +3434,21 @@ ns_send_appdefined (int value)
   /* Only post this event if we haven't already posted one.  This will end
        the [NXApp run] main loop after having processed all events queued at
        this moment.  */
+
+#ifdef NS_IMPL_COCOA
+  if (! send_appdefined)
+    {
+      /* OSX 10.10.1 swallows the AppDefined event we are sending ourselves
+         in certain situations (rapid incoming events).
+         So check if we have one, if not add one.  */
+      NSEvent *appev = [NSApp nextEventMatchingMask:NSApplicationDefinedMask
+                                          untilDate:[NSDate distantPast]
+                                             inMode:NSDefaultRunLoopMode
+                                            dequeue:NO];
+      if (! appev) send_appdefined = YES;
+    }
+#endif
+
   if (send_appdefined)
     {
       NSEvent *nxev;