Ticket #43283: patch-backingScaleFactor.diff

gtk/gtkapplication-quartz-menu.c

@@ -30 +30 @@
 
 #import <Cocoa/Cocoa.h>
 
+#if !defined(MAC_OS_X_VERSION_10_7) || \
+MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
+
+@interface NSScreen (LionAPI)
+- (CGFloat)backingScaleFactor;
+- (NSRect)convertRectToBacking:(NSRect)aRect;
+@end
+
+#endif // 10.7
+
 #define ICON_SIZE 16
 
 #define BLACK               "#000000"
@@ -262 +272 @@
         }
 
       theme = gtk_icon_theme_get_default ();
-      scale = roundf ([[NSScreen mainScreen] backingScaleFactor]);
+      scale = [[NSScreen mainScreen] respondsToSelector:@selector(backingScaleFactor)] ? roundf ([[NSScreen mainScreen] backingScaleFactor]) : 1.;
       info = gtk_icon_theme_lookup_by_gicon_for_scale (theme, icon, ICON_SIZE, scale, GTK_ICON_LOOKUP_USE_BUILTIN);
 
       if (info != NULL)