X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bee8e2b1f04c8b4f493c0b0d336c1cbce94f3ef6..e62b7692622880d48b62f555c1e356883232956c:/src/gtk/menu.cpp?ds=inline

diff --git a/src/gtk/menu.cpp b/src/gtk/menu.cpp
index 74ff3fde69..4cf5d7f04e 100644
--- a/src/gtk/menu.cpp
+++ b/src/gtk/menu.cpp
@@ -2,7 +2,6 @@
 // Name:        src/gtk/menu.cpp
 // Purpose:     implementation of wxMenuBar and wxMenu classes for wxGTK
 // Author:      Robert Roebling
-// Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -62,7 +61,8 @@ static bool IsMenuEventAllowed(wxMenu* menu)
         wxWindow* tlw = wxGetTopLevelParent(menu->GetWindow());
         if ( !tlw || !wxDynamicCast(tlw, wxDialog) )
         {
-            return true;
+            // This must be an event from a menu bar of one of the frames.
+            return false;
         }
     }
 
@@ -151,6 +151,18 @@ wxMenuBar::wxMenuBar()
 namespace
 {
 
+// This should be called when detaching menus to ensure that they don't keep
+// focus grab, because if they do, they continue getting all GTK+ messages
+// which they can't process any more in their (soon to be) unrealized state.
+void
+EnsureNoGrab(GtkWidget* widget)
+{
+#if !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
+    gtk_widget_hide(widget);
+    gtk_grab_remove(widget);
+#endif // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
+}
+
 void
 DetachFromFrame(wxMenu* menu, wxFrame* frame)
 {
@@ -172,6 +184,8 @@ DetachFromFrame(wxMenu* menu, wxFrame* frame)
             DetachFromFrame(menuitem->GetSubMenu(), frame);
         node = node->GetNext();
     }
+
+    EnsureNoGrab(menu->m_menu);
 }
 
 void
@@ -259,6 +273,8 @@ void wxMenuBar::Detach()
         node = node->GetNext();
     }
 
+    EnsureNoGrab(m_widget);
+
     wxMenuBarBase::Detach();
 }
 
@@ -536,6 +552,14 @@ static void menuitem_activate(GtkWidget*, wxMenuItem* item)
 
     wxMenu* menu = item->GetMenu();
     menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
+
+    // A lot of existing code, including any program that closes its main
+    // window from a menu handler and expects the program to exit -- as our own
+    // minimal sample -- relies on getting an idle event after a menu event.
+    // But when using Ubuntu Unity detached menus, we get called from a DBUS
+    // handler called from g_timeout_dispatch() and Glib doesn't send us any
+    // idle events after it. So ask explicitly for an idle event to get one.
+    wxWakeUpIdle();
 }
 }