Re: [gtkmm] Signal propagation

[Roger Leigh <roger whinlatter uklinux net>]

Roger Leigh <roger whinlatter uklinux net> writes:

> In a class I have derived from Gtk::Dialog, I'd like to verify the
> dialog's user input is valid, and require re-entry if it's invalid.
>
> I've done this, overriding Gtk::Dialog::on_response():
>
> void
> staff_details::on_response(int response_id)
> {

[...]

> }
>
> However, run() always returns, whether or not I call the subclassed
> on_response, and segfaults if I call signal_response().emission_stop.
> How should I prevent the "response" signal from closing the dialog?

I've solved the problem by overiding Gtk::Dialog::run in my derived
class.  This calls Gtk::Dialog::run and calls it again on error.


-- 
Roger Leigh

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