Re: Maemomm Gdk::Window problem

[Murray Cumming <murrayc murrayc com>]

On Thu, 2008-01-24 at 18:20 +0200, Lassi Väätämöinen wrote:
> The code below works fine when compiled on Linux platform (Ubuntu):
> 
> class MyDrawingArea : public Gtk::DrawingArea {
>   public:
>     int getXWinID();
> };
> 
> 
> int MyDrawingArea::getXWinID()
> {
> 	int xWindowId;
> 	Glib::RefPtr<Gdk::Window> gwindow = get_window();
> 	
> 	if (gwindow)
> 	{	
> 		xWindowId = GDK_WINDOW_XID(Glib::unwrap(get_window()));
> 		std::cout<< "DrawingArea Xwin id: "<< xWindowId <<"\n";
> 	}
> 
> 	return xWindowId;
> }
> 
> 
> getXWinID() returns the window ID correctly. However, when built and run on 
> Maemo -platform (scratchbox & N800), xWindowId == 0, because the if -branch 
> is not taken, i.e. gwindow == NULL. 

When are you calling this? I believe that get_window() only returns a
window after the widget has been realized. So you should probably be
doing it in an on_realize() or a signal_realize handler.
> 
> Is there something to Glib::RefPtr or Gdk::WIndow on Maemomm that I have 
> missed?
> 
> -Lassi
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-- 
Murray Cumming
murrayc murrayc com
www.murrayc.com
www.openismus.com