New member function Fl_Menu_Bar::play_menu(const char *title)

5 files changed, 48 insertions, 0 deletions

diff --git a/src/Fl_MacOS_Sys_Menu_Bar.mm b/src/Fl_MacOS_Sys_Menu_Bar.mm
index d51734729..aa8560966 100644
--- a/src/Fl_MacOS_Sys_Menu_Bar.mm
+++ b/src/Fl_MacOS_Sys_Menu_Bar.mm
@@ -726,4 +726,36 @@ void fl_mac_set_about(Fl_Callback *cb, void *user_data, int shortcut) {
   Fl_Sys_Menu_Bar::about(cb, user_data);
 }
 
+
+void Fl_MacOS_Sys_Menu_Bar_Driver::play_menu(const char *menu_name) {
+  // Use the accessibility interface to programmatically open a menu of the system menubar
+  char *ts = remove_ampersand(menu_name);
+  NSString *mac_name = [NSString stringWithUTF8String:ts];
+  free(ts);
+  AXUIElementRef appElement = AXUIElementCreateApplication(getpid());
+  AXUIElementRef menuBar;
+  AXError error = AXUIElementCopyAttributeValue(appElement, kAXMenuBarAttribute, (CFTypeRef *)&menuBar);
+  if (error) return;
+  CFIndex count = -1;
+  error = AXUIElementGetAttributeValueCount(menuBar, kAXChildrenAttribute, &count);
+  if (error) { CFRelease(menuBar); return; }
+  NSArray *children = nil;
+  error = AXUIElementCopyAttributeValues(menuBar, kAXChildrenAttribute, 0, count, (CFArrayRef *)&children);
+  if (error) { CFRelease(menuBar); return; }
+  for (id child in children) {
+    AXUIElementRef element = (AXUIElementRef)child;
+    id title;
+    AXError error = AXUIElementCopyAttributeValue(element, kAXTitleAttribute, (CFTypeRef *)&title);
+    if (!error && [title isEqualToString:mac_name]) {
+      AXUIElementPerformAction(element, kAXPressAction);
+      CFRelease(title);
+      break;
+    }
+    CFRelease(title);
+  }
+  CFRelease(menuBar);
+  [children release];
+  CFRelease(appElement);
+}
+
 #endif /* __APPLE__ */
diff --git a/src/Fl_Menu_Bar.cxx b/src/Fl_Menu_Bar.cxx
index ebb97b7ca..d605efb1e 100644
--- a/src/Fl_Menu_Bar.cxx
+++ b/src/Fl_Menu_Bar.cxx
@@ -67,3 +67,12 @@ Fl_Menu_Bar::Fl_Menu_Bar(int X, int Y, int W, int H,const char *l)
 : Fl_Menu_(X,Y,W,H,l)
 {
 }
+
+
+void Fl_Menu_Bar::play_menu(const char *title) {
+  const Fl_Menu_Item *v = find_item(title);
+  if (v) {
+    v = menu()->pulldown(x(), y(), w(), h(), v, this, 0, 1);
+    picked(v);
+  }
+}
diff --git a/src/Fl_Sys_Menu_Bar.cxx b/src/Fl_Sys_Menu_Bar.cxx
index c0ae88b25..477470cd3 100644
--- a/src/Fl_Sys_Menu_Bar.cxx
+++ b/src/Fl_Sys_Menu_Bar.cxx
@@ -242,6 +242,11 @@ void Fl_Sys_Menu_Bar::create_window_menu() {
   }
 }
 
+void Fl_Sys_Menu_Bar::play_menu(const char *title) {
+  if (driver()) fl_sys_menu_bar->driver()->play_menu(title);
+  else Fl_Menu_Bar::play_menu(title);
+}
+
 #if !defined(FL_DOXYGEN)
 Fl_Sys_Menu_Bar_Driver *Fl_Sys_Menu_Bar::driver() {
   return Fl::system_driver()->sys_menu_bar_driver();
diff --git a/src/Fl_Sys_Menu_Bar_Driver.H b/src/Fl_Sys_Menu_Bar_Driver.H
index b8e4b4373..38862ce01 100644
--- a/src/Fl_Sys_Menu_Bar_Driver.H
+++ b/src/Fl_Sys_Menu_Bar_Driver.H
@@ -48,6 +48,7 @@ public:
   virtual void replace(int index, const char *name) { bar->Fl_Menu_Bar::replace(index, name); }
   virtual void mode(int i, int fl) { bar->Fl_Menu_Bar::mode(i, fl); }
   virtual void create_window_menu() {}
+  virtual void play_menu(const char *title) {}
   static Fl_Sys_Menu_Bar::window_menu_style_enum window_menu_style() { return window_menu_style_; }
   static void window_menu_style(Fl_Sys_Menu_Bar::window_menu_style_enum style) { window_menu_style_ = style; }
 };
diff --git a/src/drivers/Cocoa/Fl_MacOS_Sys_Menu_Bar_Driver.H b/src/drivers/Cocoa/Fl_MacOS_Sys_Menu_Bar_Driver.H
index 684ae91f6..28f113a8e 100644
--- a/src/drivers/Cocoa/Fl_MacOS_Sys_Menu_Bar_Driver.H
+++ b/src/drivers/Cocoa/Fl_MacOS_Sys_Menu_Bar_Driver.H
@@ -44,6 +44,7 @@ public:
   void remove_window(Fl_Window *win);
   void rename_window(Fl_Window *win);
   static Fl_MacOS_Sys_Menu_Bar_Driver* driver();
+  void play_menu(const char *menu_name) FL_OVERRIDE;
 };