Use normal QCloseEvent to signal maininterface to closeup

modules/gui/qt4/main_interface.cpp

@@ -1088,11 +1088,6 @@ void MainInterface::customEvent( QEvent *event )
             setWindowFlags(windowFlags() & ~Qt::WindowStaysOnTopHint);
         show(); /* necessary to apply window flags?? */
     }
-    if ( event->type() == MainInterfaceClose_Type )
-    {
-        QApplication::closeAllWindows();
-        QApplication::quit();
-    }
 }
 
 void MainInterface::keyPressEvent( QKeyEvent *e )

modules/gui/qt4/qt4.cpp

@@ -325,7 +325,7 @@ static QWaitCondition windowWait;
 static void ThreadCleanup( void *param)
 {
     intf_thread_t *p_intf = (intf_thread_t *)param;
-    QEvent *event = new QEvent((QEvent::Type)(MainInterfaceClose_Type) );
+    QCloseEvent *event = new QCloseEvent();
     QApplication::postEvent( p_intf->p_sys->p_mi, event );
 }
 

modules/gui/qt4/qt4.hpp

@@ -158,7 +158,6 @@ static const int DialogEvent_Type = QEvent::User + DialogEventType + 1;
 //static const int PLUndockEvent_Type = QEvent::User + DialogEventType + 2;
 //static const int PLDockEvent_Type = QEvent::User + DialogEventType + 3;
 static const int SetVideoOnTopEvent_Type = QEvent::User + DialogEventType + 4;
-static const int MainInterfaceClose_Type  = QEvent::User + 404;
 
 class DialogEvent : public QEvent
 {