Re: Gtkmm nautilus property pages cleanup

You could try to debug it with --g-fatal-warnings to see the stack trace
when that warning is given.

On Fri, 2004-07-09 at 21:17 +0200, Ole Laursen wrote:
> Murray Cumming <[email protected]> writes:
> 
> [...]
> 
> > Are you really really sure that it does not inherit from Gtk::Window?
> 
> I have the same problem with panel applets. In my case, the top level
> widget is a PanelApplet (C type) with a gtkmm Gtk::EventBox inside.
> 
> I've never gotten around to investigating the problem because it only
> appears when the panel is shut down or the applet dies (and then the
> standard output most often ends up a place where I don't notice it).
> 
> The factory construction method looks like this (where my custom
> Applet class derives from Gtk::EventBox):
> 
>   gboolean hardware_monitor_factory(PanelApplet *panel_applet, const gchar *iid,
>                                     void *)
>   {
>     // construct applet
>     Applet *applet = manage(new Applet(panel_applet));
>     applet->show();
> 
>     gtk_container_add(GTK_CONTAINER(panel_applet), GTK_WIDGET(applet->gobj()));
>     gtk_widget_show(GTK_WIDGET(panel_applet));
> 
>     return true;
>   }
> 
> So there's no window involved.
> 
> 
> If you interested in seeing the error, the applet can be downloaded
> from here (or you could even use the Debian package):
> 
>   http://www.cs.aau.dk/~olau/hardware-monitor/
> 
> Run "hardware-monitor" in a terminal, then while it is running, add a
> Hardware Monitor instance to the panel through the panel right-click
> menu. Then remove the applet, and the error message appears in the
> terminal:
> 
>   (hardware-monitor:7136): gtkmm-WARNING **: gtkmm: Attempt to call
>   Gtk::manage() on a Gtk::Window, but a Gtk::Window has no parent
>   container to manage its lifetime.
> 
-- 
Murray Cumming
[email protected]
www.murrayc.com
www.openismus.com