Re: [Gimp-gui] GTK3 "empty black window"/"black flash" bug that affects GIMP-2.99

[Jehan <jehan girinstud io>]

On 2018-08-05 13:08, Elle Stone wrote:
> On 08/05/2018 05:22 AM, Jehan wrote:
> > > Checking the latest 3.30 tarball from
> > > http://ftp.gnome.org/pub/gnome/sources/gtk+/3.22/, it appears the fix
> > > hasn't been incorporated into any actual GTK3 releases.
> >
> > I was wondering what you meant by 3.30. You meant 3.22.30, last 
> > release of 3.22.
>
> Oh, drat, of course it should be 3.22.30 - the download folder link I
> gave is correct, but I accidentally left the ".22" out when referring
> to the actual version of GTK3 that I downloaded and patched - sorry!
>
> > Also I just checked, your commit is available in a release: 3.23.0 
> > which is an unstable release.
> >
> > We are actually waiting a bit to bump the dependency of GTK+ a bit, 
> > but we are planning to. I also wait for a fix I made (also available 
> > in 3.23.0) and Mitch told me he also has a commit there.
> > So this bump will happen sooner rather than later, no problem. :-)
>
> Yeah!
>
> > > So I downloaded the latest GTK3 tarball, applied the fix (involves
> > > adding a couple of extra lines of code to gdk/x11/gdkwindow-x11.c),
> > > and compiled/installed it in my GIMP-2.99 prefix. This fix does 
> > > indeed
> > > get rid of the "black flash" problem.
>
> My patched version of 3.22.30 did get rid of the "black window"
> problem, but also seems to have introduced an issue where it was no
> longer possible to grab the center left-right panel dividing line when
> using a toolbox in multi-window mode. Leastways going back to the
> Gentoo-installed 3.22.30 did get rid of the problem of not being able
> to grab and move the center dividing line. Bleh.

Yeah well, I saw a lot of similar drag'n drop issues on the master 
branch. But that is another problem: the master branch is not for 
production and has a lot lot of bugs, until we fix them. It's just a 
fact and that's why we don't advise anyone to use GIMP master for actual 
work. :-)

Jehan

> > You may also use the unstable tarballs from 3.23 so that you don't 
> > have to patch yourself. :-)
> > https://download.gnome.org/sources/gtk+/3.23/
>
> I'll give that a try -thanks! for the link.
>
> Best,
> Elle
>
> > Thanks anyway for this informative email!
> >
> > Jehan

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