[Gambas-user] GTK key events bug

[Carlos Prieto López]

2009/8/6 Benoît Minisini <gambas at ...1...>

> > > > Summary: In a graphical application using GTK, a key event produced
> > >
> > > by a
> > >
> > > > control is captured by the parent, but key event information
> > >
> > > provided by
> > >
> > > > the Key class is not available.
> > > >
> > > > How to reproduce: In a GTK project, put a form, a control (for
> > >
> > > example,
> > >
> > > > a textbox), and the following code:
> > > >
> > > > PUBLIC SUB Form_KeyRelease()
> > > >
> > > >   DEBUG Key.Code
> > > >
> > > > END
> > > >
> > > > Press a key when the control (not the form) has the focus, and the
> > >
> > > error
> > >
> > > > "No keyboard event data." will be produced. This happens in any
> > >
> > > control
> > >
> > > > and its container, as far as I've seen.
> > > >
> > > > Expected behaviour: The information of the pressed key should be
> > > > available to the parent also.
> > > >
> > > > Comments: This can be worse with other controls. For example, a
> > >
> > > TreeView
> > >
> > > > control, when editing, shows a textbox, whose events are hidden to
> > >
> > > the
> > >
> > > > Treeview user. Therefore, key events on the textbox cannot be
> > >
> > > handled,
> > >
> > > > and key-related code put on the treeview's KeyRelease event will
> > >
> > > raise
> > >
> > > > an error. This problem does NOT happen with Qt.
> > > >
> > > > Configuration:
> > > > Intel Core2 Duo @ 2GiHz, 2GiB ram
> > > > Ubuntu 8.04, kernel 2.6.24-24 generic
> > > > Gambas 2.15.2-1, GTK
> > >
> > > Please can you send a project that shows that bug? I cannot reproduce
> > > it there
> > > with your explanations.
> > >
> > > I put a textbox inside a form, and only GTK forms catch the keyboard
> > > events
> > > from the textbox, not QT forms!
> > >
> > > Regards,
> > >
> > > --
> > > Benoît
> >
> > I attach the project with the error (pruebagtk.tar.gz). Type anything on
> > the textbox, and the error will show (this was a GTK graphic
> > application).
> >
> > The project inside prueba.tar.gz was created as QT graphic application;
> > when typing on the textbox, the key code is printed on the debug screen,
> > and the event is not catched by the form.
> >
> > Best regards,
> >
> > Carlos
>
> I have exactly the same behaviour I described above... Is your OS 64 bits?
>
> --
> Benoît
>

No, my OS is not 64 bits. I recently updated Gambas from version 2.0.0
(native for Ubuntu Hardy) to 2.15.2-1, from the .tar package downloadable
from sourceforge. Could this be a problem?