[PATCH 1/2] winemac: [NSWindow setAlphaValue:] must be called from the main thread.

[Brendan Shanks]

From: Brendan Shanks

---
 dlls/winemac.drv/cocoa_window.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dlls/winemac.drv/cocoa_window.m b/dlls/winemac.drv/cocoa_window.m
index ce8b571fa23..4c15e211442 100644
--- a/dlls/winemac.drv/cocoa_window.m
+++ b/dlls/winemac.drv/cocoa_window.m
@@ -3618,7 +3618,9 @@ void macdrv_set_window_alpha(macdrv_window w, CGFloat alpha)
 {
     WineWindow* window = (WineWindow*)w;

-    [window setAlphaValue:alpha];
+    OnMainThread(^{
+        [window setAlphaValue:alpha];
+    });
 }
 }