Re: Dialog hide/destroy

["Juan José 'Peco' San Martín" <peco microbotica es>]

> This typically means that you're trying to call ->show on a dead  
> widget.  In your delete-event handler, what are you doing?  If your  
> handler returns FALSE, the default handler will destroy the window;  
> to hide from delete event, you must set up your handler like this:
>
>    $window->signal_connect (delete_event => sub {
>          $_[0]->hide;  # hide the window
>          return TRUE;  # tell gtk+ that we handled this event, and
>                         # that it should *not* destroy the window.
>    });

You're completly right. Thanks!

> gtk_widget_hide() unrealizes the widget, which takes it off of the  
> screen, but does not kill it.  gtk_widget_destroy() hides and then  
> renders unusable the widget; the destroy is explicit in order to  
> break reference count cycles.

Ok

> Whether you reuse or recreate widgets is entirely up to you and the  
> architecture of your application.  If it takes a lot of work to  
> create a widget, or it should retain state between showings, then  
> it's likely a good idea to use hide instead of destroy.  Destroying  
> the widget will obviously be the more memory-friendly approach.   
> There is no "best" way,  in my experience; the answer is, "try both  
> and see which better satisfies your goals".

Ok!

Thanks again.
Peco
> --
> To me, "hajime" means "the man standing opposite you is about to hit  
> you with a stick".
>    -- Ian Malpass, speaking of the Japanese word for "the beginning"