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Re: fltk crashing octave


From: Doug Stewart
Subject: Re: fltk crashing octave
Date: Wed, 18 Jan 2012 17:25:47 -0500



On Tue, Jan 17, 2012 at 9:10 PM, Ben Abbott <address@hidden> wrote:
On Jan 17, 2012, at 9:01 PM, Doug Stewart wrote:

> On Tue, Jan 17, 2012 at 8:41 PM, Ben Abbott <address@hidden> wrote:
>
> On Jan 17, 2012, at 4:21 PM, Doug Stewart wrote:
>
> > I see that there are more reports of octave crashing with fltk.
> > Ben says that he can't reproduce the crash, but I can.
> > Ben knows this part of the system and I don't.
> > So if Ben will guide me I will do the debugging here.
> > I just pulled that latest tip, so where should I start????
> >
> > I think we should start with the fact that if I make plot and just double click with the right button, it immediately crashes.
> >
> > What file would this be in?
> >
> > Would it be in fltk??
> >
> >
> > Doug Stewart
> >
> > --
> > DAS
>
> Doug,
>
> MacOS is a mono-click mouse (no left/right). Normally, the right mouse button is simulated by ctrl+mouse-click.
>
> However, I don't see any difference between a mouse actions with or without the ctrl key.
>
> What functionality do you have with the right vs left mouse button ?
>
> Ben
>
> If you press the right mouse and then drag it, and then release  you will have drawn a box on the window  to zoom into.

ok. Thanks. That doesn't work for me. Perhaps that is why I don't see a crash.

Ben




Using gdb and bt I was able to fine the problem and have tried a fix .
I will play with it some more and then submit a patch

IT is in __init_fltk__.cc around line 1400


--
DAS

https://linuxcounter.net/user/206392.html

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