[Qt-interest] QGLWidget Popup menu: QAction not clickable

[Marco Arena]

  I solved, thanks anyway!

Marco

Il 18/10/2010 10:00, Marco Arena ha scritto:
> Hi,
> I've written a simple OpenGL renderer (overriding /QGLWidget/ class) 
> and I've overrided the /mouseReleaseEvent/ function to show a popup 
> menu when I right click. This is the method:
>
> void myViewer::mouseReleaseEvent ( QMouseEvent * event )
> {
>      if(event->button() == Qt::RightButton)
>      {
>          QMenu *menu = new QMenu("&Menu",this);
>
> 	QAction* action_1 = new QAction("&A", this);
>          QAction* action_2 = new QAction("&B", this);
>          QAction* action_3 = new QAction("&C", this);
> 	
> 	menu->addAction(action_1);
>          menu->addAction(action_2);
> 	menu->addAction(action_3);
>
> 	connect(action_1, SIGNAL(triggered()), this, SLOT(slot_action_1()));
> 	connect(action_2, SIGNAL(triggered()), this, SLOT(slot_action_2()));
> 	connect(action_3, SIGNAL(triggered()), this, SLOT(slot_action_3()));
>
> 		
> 	menu->exec(mapToGlobal(event->pos()));
> 	delete menu;
>      }
> }
>
> The menu is shown as expected but when I try to click a menu item this 
> seems inactive and the corresponding slot isn't called. What's wrong 
> with this? I thought it was a focus problem but I wrote a similar code 
> for a QTextEdit and it worked fine. I'm using Qt 4.6 on MS Visual 
> Studio 2008 pro.
>
> Thanks!
>
> Marco
>
>
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