Refactor: extract menu event handling logic from wxMenu::SendEvent().

Make this logic available for reuse with the events of different kind, e.g.
wxMenuEvent in the upcoming commit.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78228 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/menu.h

@@ -388,6 +388,12 @@ protected:
 
     static bool      ms_locked;
 
+
+private:
+    // Helper of SendEvent(): sends the event to its intended recipients,
+    // returns true if it was processed.
+    static bool DoProcessEvent(wxMenuBase* menu, wxEvent& event, wxWindow* win);
+
     wxDECLARE_NO_COPY_CLASS(wxMenuBase);
 };
 

src/common/menucmn.cpp

@@ -641,14 +641,20 @@ void wxMenuBase::UpdateUI(wxEvtHandler* source)
 bool wxMenuBase::SendEvent(int itemid, int checked)
 {
     wxCommandEvent event(wxEVT_MENU, itemid);
-    event.SetEventObject(this);
     event.SetInt(checked);
 
-    wxWindow* const win = GetWindow();
-    wxMenuBar* const mb = GetMenuBar();
+    return DoProcessEvent(this, event, GetWindow());
+}
+
+/* static */
+bool wxMenuBase::DoProcessEvent(wxMenuBase* menu, wxEvent& event, wxWindow* win)
+{
+    event.SetEventObject(menu);
+
+    wxMenuBar* const mb = menu->GetMenuBar();
 
     // Try the menu's event handler first
-    wxEvtHandler *handler = GetEventHandler();
+    wxEvtHandler *handler = menu->GetEventHandler();
     if ( handler )
     {
         // Indicate to the event processing code that we're going to pass this