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List:       gtk-app-devel
Subject:    Re: GTK3 - GtkExpander problem, bug ?
From:       Matthias Clasen <matthias.clasen () gmail ! com>
Date:       2017-12-15 15:59:11
Message-ID: CAFwd_vDHnARZe_pCBLAL0UyVzRA76ubps3XDxXA0aUU3M9TE3Q () mail ! gmail ! com
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On Thu, Dec 14, 2017 at 7:58 PM, Sébastien Le Roux <
sebastien.leroux@ipcms.unistra.fr> wrote:

> Dear Eric,
> thanks for your answer, and yes it is pretty much the same, the
> differences in my case,
> are: I use toggle buttons and I do not use  a grid.
>
> Thanks you for providing me with this nice working example, I played with
> it to illustrate the
> bug because it happens with your code too, check the new 'test.c' file
> attached !
>
> I simply added a third expander and a third set of buttons, I invite you
> to compile the code attached,
> and play with it you will see, that at same point even it stops to
> function properly.
>
> To start to have errors you can follow the following sequence:
> 1) open the first expander
> 2) open the second
> 3) open the third
> 4) close the second
> 5) starting clicking on the second expander location (without buttons
> visible) and it starts.
>
> I can only guess that the more expander you use the more messy it will get
> ... hence the problems
> with my program that uses 10.
>
>
I can't be too sure since you don't say which version of gtk this is with,
exactly, and it doesn't reproduce on my
system (and the example only has 2 expandes, not 3...), but it sounds like
you might be seeing a symptom of
https://bugzilla.gnome.org/show_bug.cgi?id=774134
which is fixed in current releases of gtk 3.22.
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