22 lines
788 B
Diff
22 lines
788 B
Diff
diff --git a/gdk/quartz/GdkQuartzWindow.c b/gdk/quartz/GdkQuartzWindow.c
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index e8e0de5c7..435c856be 100644
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--- a/gdk/quartz/GdkQuartzWindow.c
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+++ b/gdk/quartz/GdkQuartzWindow.c
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@@ -259,6 +259,16 @@
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return [super makeFirstResponder:responder];
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}
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+-(void)setDelegate:(id<NSWindowDelegate>)delegate
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+{
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+ if ([super delegate] == nil) {
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+ [super setDelegate:delegate];
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+ } else {
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+ // If we allow the window delegate to be replaced, everything breaks.
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+ g_critical ("Setting a delegate on GdkQuartzWindow is forbidden, because everything will break.");
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+ }
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+}
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+
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-(id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)styleMask backing:(NSBackingStoreType)backingType defer:(BOOL)flag screen:(NSScreen *)screen
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{
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self = [super initWithContentRect:contentRect
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