Re: [gtkmm] How to capture Enter pressed on a Entry?

[Daniel <dss home se>]

Hi

I think gtkmm signals signal_activete() when you press enter in an entry:

Gtk::Entry *e = manage(new Gtk::Entry());
e->signal_activate().connect(slot(*this, &MyClass::on_activate));

/Daniel

dss home se
http://gspeakers.sf.net

On Wed, 11 Sep 2002 11:56:02 -0700
Dale Hirt <dale sbcltd com> wrote:

> Oops, my mistake.  It appears that you cannot use set_events after the
> widget has been realized.  The documentation says the following:
> 
> ******************
> 	The event mask determines which events a widget will receive. Keep
> in mind that different widgets have different default event masks, and by
> changing the event mask you may disrupt a widget's functionality, so be
> careful. This function must be called while a widget is unrealized. Consider
> add_events() for widgets that are already realized, or if you want to
> preserve the existing event mask
> *******************
> 
> Try using add_events() instead of set_events().
> 
> -----Original Message-----
> From: Javier Vilarroig [mailto:jvilarroig terra es]
> Sent: Wednesday, September 11, 2002 11:40 AM
> To: Dale Hirt
> Cc: GTKMM Mailing List
> Subject: RE: [gtkmm] How to capture Enter pressed on a Entry?
> 
> 
> Thanks.
> 
> 	I tried but doesn't worked. I don't know what do you mean with
> realized. I moved it out of the constructor and tried whe I cans see the
> form. The error message is exactly the same.
> 
> 
> El mié, 11-09-2002 a las 20:15, Dale Hirt escribió:
> > Have you tried doing a {entry_widget}.show() before calling set_events()?
> > >From the error, it looks like there is a need to realize the widget
> first.
> > 
> > -----Original Message-----
> > From: Javier Vilarroig [mailto:jvilarroig terra es]
> > Sent: Wednesday, September 11, 2002 11:04 AM
> > To: GTKMM Mailing List
> > Subject: [gtkmm] How to capture Enter pressed on a Entry?
> > 
> > 
> > Hi.
> > 
> > 	I'm writing my first app with gtkmm and I have a doubt.I love gtkmm
> > but
> > have no knowledge of gtk+.
> > 
> > 	I supose it's a silly question, but I have not found any clue on the
> > docs.
> > 
> > 	I'm trying to capture when a user presses the Enter key on a Entry.
> > I
> > tried to capture GDK_KEY_PRESS, but calling set_events, inerited from
> > Widget, from the constructo gives me this error:
> > 
> > --------------
> > Gtk-CRITICAL **: file gtkwidget.c: line 3824 (gtk_widget_set_events):
> > assertion `!GTK_WIDGET_REALIZED (widget)' failed
> > --------------
> > 
> > 	Cold be this is not the correct way, but I don't see any other
> > option.
> > 
> > Thanks in advance.
> > 
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