Re: How can I check if a GtkWidget exists?

[Miroslav Rajcic <rajcic sokrates hr>]

On 7/20/2012 8:50 AM, Frank Cox wrote:
> How can I check if a GtkWidget exists?
>
> I am planning to create and destroy widgets in a window depending on the user's
> selections, but I can't figure out how to determine if a particular widget
> already exists in the window so it won't be created twice or receive a
> second deletion attempt if it's already gone.
>
> I tried checking GTK_WIDGET_REALIZED but it appears that if the widget has
> previously been destroyed then the GTK_WIDGET_REALIZED tries to access it
> anyway and gives me an error.
>
> Is there a way to determine if a widget is already in a window without having
> to maintain my own table?
Not sure, but perhaps GTK_IS_WIDGET (widget) macro would help.

Miroslav