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authorAlan Third <alan@idiocy.org>2018-05-06 21:49:31 +0100
committerAlan Third <alan@idiocy.org>2018-05-07 22:58:42 +0100
commit7dc028e2501feec7d7fca5987ab852b261aa4039 (patch)
treeff62967a53cae2c34057bf50c45ae8278728b73e /src/nsfns.m
parent1d732d699d63b5dbfa7d0a0f44e6119d58f852bc (diff)
downloademacs-7dc028e2501feec7d7fca5987ab852b261aa4039.tar.gz
Check NSWindow is actually a frame
* src/nsfns.m (Fns_frame_list_z_order): Check NSWindow is an instance of EmacsView before treating it as one.
Diffstat (limited to 'src/nsfns.m')
-rw-r--r--src/nsfns.m3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/nsfns.m b/src/nsfns.m
index 7f2f060dda8..bd1e2283a0c 100644
--- a/src/nsfns.m
+++ b/src/nsfns.m
@@ -1497,7 +1497,8 @@ Frames are listed from topmost (first) to bottommost (last). */)
Lisp_Object frame;
/* Check against [win parentWindow] so that it doesn't match itself. */
- if (parent == nil || ns_window_is_ancestor (parent, [win parentWindow]))
+ if ([[win delegate] isKindOfClass:[EmacsView class]]
+ && (parent == nil || ns_window_is_ancestor (parent, [win parentWindow])))
{
XSETFRAME (frame, ((EmacsView *)[win delegate])->emacsframe);
frames = Fcons(frame, frames);