On Thu, Dec 14, 2017 at 7:58 PM, Sébastien Le Roux < sebastien.ler...@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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