Re: file_chooser's parent: is NULL OK?

[Matthias Clasen <mclasen redhat com>]

On Thu, 2005-02-03 at 13:23 -0500, Allin Cottrell wrote:
> The second parameter to gtk_file_chooser_dialog_new() is
> GtkWindow *parent.
>
> I've been in the habit of putting my app's main window in as the 
> parent, but I notice that this sometimes produces undesirable 
> results.
>
> For example, using the file chooser to save a displayed graph to 
> file: when the file chooser is closed I'd like focus to return to 
> the graph window -- but (at least with my desktop setup) if the main 
> window is given as the file chooser's parent, then it's the main 
> window that gets focused on closing the file chooser (and the graph 
> is pushed into the background).
>
> I've experimented, and see that if I pass NULL for parent, focus 
> seems to return to the previously focused window when the chooser is 
> closed, which is fine.  I just wanted to check if passing NULL in 
> this context is "officially OK", or if it invokes undefined 
> behavior.

It is ok. We should probably document that as we do for
gtk_dialog_new_with_buttons().

Matthias