Re: Meld source view is not repainting properly, causing broken UI

[Kai Willadsen <kai willadsen gmail com>]

On 5 May 2017 at 14:22, Krishnaswami Iyer <r k iyer 2001 gmail com> wrote:
> Hello,
>
>       Using Meld to compare two simple files (two lines of "Abcd") leads to
> this UI - https://imgur.com/a/wyKFh. This is on an updated Lubuntu 17.04
> (kernel 4.10.0-20, gcc v6.3.0 64bit). It can be reproduced with the latest
> meld from git trunk.
>
>        It seems that the sourceview control is not repainting portions of
> the UI leading to the previous window contents showing up there.
>
>        Any suggestions on how I can debug this? I am able to see what seem
> like refresh events firing in filediff.py (am not familiar with gtk) and on
> focus events fire correctly. Is it simply an issue with gtksourceview? I am
> happy to supply any additional data/screenshots etc.

I haven't seen this before, so slightly hard to tell.

I notice you're using a custom theme. Could you check whether changing
to Adwaita fixes this, just in case? Otherwise, if you could post your
GTK+ and GtkSourceView versions, that may help.

cheers,
Kai