Implement windowWillUseStandardFrame

Seems that `NSWindow.isZoomed` returns the wrong result unless you implement this? ¯\_(ツ)_/¯
AvaloniaUI · Feb 6, 2023 · e7a6d6f · e7a6d6f
1 parent f417491
commit e7a6d6f
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/native/Avalonia.Native/src/OSX/AvnWindow.mm b/native/Avalonia.Native/src/OSX/AvnWindow.mm
@@ -223,6 +223,19 @@ - (void)windowWillClose:(NSNotification *_Nonnull)notification
     }
 }
 
+// From chromium:
+//
+// > The delegate or the window class should implement this method so that
+// > -[NSWindow isZoomed] can be then determined by whether or not the current
+// > window frame is equal to the zoomed frame.
+//
+// If we don't implement this, then isZoomed always returns true for a non-
+// resizable window ¯\_(ツ)_/¯
+- (NSRect)windowWillUseStandardFrame:(NSWindow*)window
+                        defaultFrame:(NSRect)newFrame {
+  return newFrame;
+}
+
 -(BOOL)canBecomeKeyWindow
 {
     if(_canBecomeKeyWindow)