[pygtk] Apply button behavior with GtkDialog

[John Dennis]

Mitko Haralanov wrote:
> In the application that I am working on, I have a GtkDialog with three
> action buttons: Apply, Cancel, and OK. All three buttons return a
> GTK_RESPONSE when clicked (I am using the GtkDialog's run method).
> 
> When the user presses the OK or CANCEL buttons everything is fine,
> since on those button presses the dialog window gets closed. However,
> the APPLY button is a different story.
> 
> On a click of the APPLY button, the dialog returns the
> GTK_RESPONSE_APPLY response ID (which allows me to perform the actions
> that are associated with that button), however after that none of the
> buttons do anything. 
> This makes sense since the run() method returned but the question that
> I have is how do I make the GtkDialog responsive again? Calling the
> dialogs' run() method doesn't work and I don't want to destoy and
> re-create it.

Don't add the "apply" button as an action button. Action buttons always 
emit a response and close the dialog. Instead add the apply button as a 
normal button widget to the action_area and connect it's 'clicked' 
signal to the apply() method of the dialog. I presume you also want to 
apply the action if the user clicks OK, to accomplish that trap the 
response and if its OK then call your apply(), e.g.:

     dlg.connect('response', self.on_response)
     def on_response(self, dialog, response):
	if response == gtk.RESPONSE_OK:
	    self.apply()


-- 
John Dennis <jdennis at redhat.com>