Re: Gtk::Container::set_focus_chain() problem

[Phil Wolff <adiabat centurylink net>]

Good call. Your rifle is much more effective than my shotgun.

On 2015/03/10 11:06, Kjell Ahlstedt wrote:
> Here's a better solution. Now I've tested it.
>
>     std::vector<Gtk::Widget*> focus_chain;
>     focus_chain.push_back(&m_ButtonBox);
>     m_VBox.set_focus_chain(focus_chain);
>
> m_TextView is the child of m_ScrolledWindow, which is a child of
> m_VBox. You must set m_VBox's focus chain so it contains all m_VBox's
> children except m_ScrolledWindow. In this case it means m_ButtonBox,
> since m_ScrolledWindow and m_ButtonBox are the only children of m_VBox.
>
> Kjell
>
> Den 2015-03-10 18:35, Kjell Ahlstedt skrev:
> > Sorry, I jumped to conclusions. set_can_focus(false) makes it
> > impossible to edit the text view. That's perhaps not what you want.
> >
> > Kjell
> >
> > Den 2015-03-10 18:27, Kjell Ahlstedt skrev:
> > > m_TextView.set_can_focus(false);
> > >
> > > Den 2015-03-10 15:19, Phil Wolff skrev:
> > > > Gtk (and therefore gtkmm as well) will by default add a TextView widget
> > > > to the focus chain. If you're tabbing through the chain and you
> > > > encounter a TextView, the focus gets trapped there because tabs are now
> > > > entered into the TextView's buffer rather than moving the focus to the
> > > > next widget in the chain.  The sample code at
> > > > https://developer.gnome.org/gtkmm-tutorial/stable/sec-textview-examples.html.en
> > > > illustrates the problem -- click the "Use buffer 1" button and hit the
> > > > tab key a few times.