1 files changed, 29 insertions, 0 deletions
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac.mm b/src/gui/kernel/qt_cocoa_helpers_mac.mm
index 223e36b..3d4164a 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac.mm
+++ b/src/gui/kernel/qt_cocoa_helpers_mac.mm
@@ -74,6 +74,7 @@
 ****************************************************************************/
 
 #include <private/qcore_mac_p.h>
+#include <qaction.h>
 #include <qwidget.h>
 #include <qdesktopwidget.h>
 #include <qevent.h>
@@ -1193,4 +1194,32 @@ void qt_mac_constructQIconFromIconRef(const IconRef icon, const IconRef overlayI
     }
 }
 
+void qt_mac_menu_collapseSeparators(void */*NSMenu **/ theMenu, bool collapse)
+{
+    OSMenuRef menu = static_cast<OSMenuRef>(theMenu);
+    if (collapse) {
+        bool previousIsSeparator = true; // setting to true kills all the separators placed at the top.
+        NSMenuItem *previousItem = nil;
+        for (NSMenuItem *item in [menu itemArray]) {
+            if ([item isSeparatorItem]) {
+                [item setHidden:previousIsSeparator];
+            }
+
+            if (![item isHidden]) {
+                previousItem = item;
+                previousIsSeparator = ([previousItem isSeparatorItem]);
+            }
+        }
+
+        // We now need to check the final item since we don't want any separators at the end of the list.
+        if (previousItem && previousIsSeparator)
+            [previousItem setHidden:YES];
+    } else {
+        for (NSMenuItem *item in [menu itemArray]) {
+            if (QAction *action = reinterpret_cast<QAction *>([item tag]))
+                [item setHidden:!action->isVisible()];
+        }
+    }
+}
+
 QT_END_NAMESPACE