RE: [gtkmm] Overloading on_response() member of a Dialog object.

[Murray Cumming Comneon com]

It's possible that you need to (or don't need to) call the base method.

Murray Cumming
murrayc usa net
www.murrayc.com 

> -----Original Message-----
> From: Jean-Luc Bedwani [mailto:jlbedwani imascope ca] 
> Sent: Mittwoch, 18. Juni 2003 20:18
> To: gtkmm-list gnome org
> Subject: [gtkmm] Overloading on_response() member of a Dialog object.
> 
> 
> I would like to create a dialog box with an Apply button in 
> the "action
> area section" of the dialog. I have binded the ID value of 0 to the
> Apply button so I can detect between an Apply, Cancel or 
> Validate button
> click.
> 
> Now I wish to do some processing in the dialog box when the 
> Apply button
> is pushed. I have linked the clicked event of the button to the
> appropriate function handler.
> 
> Since I don't want to close the dialog box if the apply button is
> pushed, I have overloaded the on_response function of a dialog object,
> and decides to call the response() member only for the Cancel and
> Validate button. The Validate button would not send any signals to the
> caller of the dialog.run()
> 
> After some debugging I figured-out that my overloaded function of
> on_resume() is properly called. However, my overloaded 
> function has been
> called, the response() member is called again by some other code. This
> causes a run time error since the run() call already exited by my call
> to response(). When the second response() is called, my application
> crashes.
> 
> Now Since this extra code calls response(), it cause the click of my
> validate button to exit the dialog box.
> 
> Does anybody knows what is happening here?
> 
> It is possible to have a button in the "action area" that 
> does not cause
> the dialog to close?
> 
> For information, I am using gtkmm 2.0.0. I also looked the 
> code of gtkmm
> for the dialog object, and it seems ok for me. But since I am 
> quite new
> to GTK and gtkmm I rather ask the community for my special 
> way of using
> a dialog box.
> 
> Maybe I am doing a bad design decision by using a dialog object that
> way. If it is the case, please let me know, I would probably use a
> window object instead. But then I loose the nice way of calling run()
> and retrieving the ID of what button was clicked.
> 
> -- 
> Jean-Luc Bedwani <jlbedwani imascope ca>
> Imascope Inc.
> 
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