Re: [gtkmm] how to trigger an action when my mouse leaves a selected widget?

["Andreas B. Thun" <abt gmx de>]

Thx very much Roger.

Do you also know how to trigger an actiion
when I close a window with the x in the upper
left corner of a KDE window?

> "Andreas B. Thun" <abt gmx de> writes:
>
>
> > I want to trigger an action when my mouse leaves
> > a selected widget, an entry for example.
> >
> > Scenario is: I enter text into the entry box
> > and I wanna check, if the entered value is
> > correct when the widget loses focus.
>
>
> This is in the documentation for Gtk::Widget:
>
>   signal_focus_out_event()
>
> is emitted when the focus is lost, and for a Gtk::Entry,
>
>   signal_activate()
>
> is emitted when Enter is pressed in the entry.  I usually use both.