[PATCH] winemac: Don't try to update when the window is closing.

[Huw Davies]

This can happen after the window surface has been destroyed.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52231
Signed-off-by: Huw Davies <huw at codeweavers.com>
---
 dlls/winemac.drv/cocoa_window.h | 1 +
 dlls/winemac.drv/cocoa_window.m | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/dlls/winemac.drv/cocoa_window.h b/dlls/winemac.drv/cocoa_window.h
index d04961f8251..9a8bbb5e255 100644
--- a/dlls/winemac.drv/cocoa_window.h
+++ b/dlls/winemac.drv/cocoa_window.h
@@ -36,6 +36,7 @@ @interface WineWindow : NSPanel <NSWindowDelegate>
     BOOL pendingOrderOut;
     BOOL savedVisibleState;
     BOOL drawnSinceShown;
+    BOOL closing;
     WineWindow* latentParentWindow;
     NSMutableArray* latentChildWindows;
 
diff --git a/dlls/winemac.drv/cocoa_window.m b/dlls/winemac.drv/cocoa_window.m
index d0672b7fb06..10524e4b3a2 100644
--- a/dlls/winemac.drv/cocoa_window.m
+++ b/dlls/winemac.drv/cocoa_window.m
@@ -381,6 +381,7 @@ @interface WineWindow ()
 @property (readwrite, nonatomic) BOOL noActivate;
 @property (readwrite, nonatomic) BOOL floating;
 @property (readwrite, nonatomic) BOOL drawnSinceShown;
+ at property (readwrite, nonatomic) BOOL closing;
 @property (readwrite, getter=isFakingClose, nonatomic) BOOL fakingClose;
 @property (retain, nonatomic) NSWindow* latentParentWindow;
 
@@ -492,7 +493,7 @@ - (void) updateLayer
         if ([window contentView] != self)
             return;
 
-        if (!window.surface || !window.surface_mutex)
+        if (window.closing || !window.surface || !window.surface_mutex)
             return;
 
         pthread_mutex_lock(window.surface_mutex);
@@ -941,7 +942,7 @@ @implementation WineWindow
 
     static WineWindow* causing_becomeKeyWindow;
 
-    @synthesize disabled, noActivate, floating, fullscreen, fakingClose, latentParentWindow, hwnd, queue;
+    @synthesize disabled, noActivate, floating, fullscreen, fakingClose, closing, latentParentWindow, hwnd, queue;
     @synthesize drawnSinceShown;
     @synthesize surface, surface_mutex;
     @synthesize shapeChangedSinceLastDraw;
@@ -3232,6 +3233,7 @@ void macdrv_destroy_cocoa_window(macdrv_window w)
     WineWindow* window = (WineWindow*)w;
 
     OnMainThread(^{
+        window.closing = TRUE;
         [window doOrderOut];
         [window close];
     });
-- 
2.23.0