Re: Added tooltip to display details of items in TreeView

[Bob Caryl <bob fis-cal com>]

Tony Yum wrote:

> On Fri, 2005-05-06 at 09:58 +0400, Andrew E. Makeev wrote:
>  
>
> > Tony Yum wrote:
> >
> >    
> >
> > > > In your case you should use Gdk namespace: Gdk::POINTER_MOTION_MASK.
> > > >   
> > > >
> > > >        
> > > Ah, I just noticed the warning
> > >
> > > Gtk-CRITICAL **: gtk_widget_set_events: assertion `!GTK_WIDGET_REALIZED
> > > (widget)' failed
> > >
> > > So I cannot do set_events or add_events when a widget is realized? But
> > > my tree view came from libglademm so it was realized as soon as I get
> > > it.
> > >
> > >
> > >
> > >
> > >
> > >      
> > Try to connect to signal_realize, and do add_events there.
> > Also, for motion event and for signal_realize use after flag = false 
> > when connecting.
> > Syntax like: signal().connect( sigc::mem_fun( object, &mem_fun ), false );
> >
> >    
>
> I'm just wondering what does the second argument in the connect function
> do? I looked around the sigc tutorial, doesn't seem to have this syntax.
> Also the signal_motion_notify_event doesn't take an additional bool
> argument. ??? confused ???
>
>  
That connection syntax should probably be:

signal().connect(sigc::bind<bool>(sigc::mem_fun(object, &mem_fun), false));

where mem_fun expects the boolean value as a formal parmater.

Bob Caryl