[virt-tools-list] [PATCH virt-viewer] Disable CSD to avoid rendering issues

Daniel P. Berrange berrange at redhat.com
Tue Aug 9 14:57:53 UTC 2016


On Tue, Aug 09, 2016 at 04:40:02PM +0200, Pavel Grunt wrote:
> On Tue, 2016-08-09 at 15:12 +0100, Daniel P. Berrange wrote:
> > On Tue, Aug 09, 2016 at 04:09:15PM +0200, Pavel Grunt wrote:
> > > 
> > > Due to recent changes in gtk+ the content of window is not rendered
> > > properly in Windows 10 when the client side decorations are used.
> > > 
> > > It is possible to disable the client side decorations using
> > > the GTK_CSD="0" environment variable.
> > > 
> > > Keep them disabled to avoid issues.
> > > 
> > > Related:
> > > https://bugzilla.redhat.com/show_bug.cgi?id=1352216
> > 
> > Can you provide the actual GTK bug report for this issue.
> 
> I am working on reproducer for the issue. Apparently only remote-viewer has
> problems.
> > 
> > > 
> > > ---
> > > I know it is not a solution. virt-viewer should learn to work properly with
> > > CSD
> > > ---
> > >  src/virt-viewer-util.c | 2 ++
> > >  1 file changed, 2 insertions(+)
> > > 
> > > diff --git a/src/virt-viewer-util.c b/src/virt-viewer-util.c
> > > index 0491f73..1b0335d 100644
> > > --- a/src/virt-viewer-util.c
> > > +++ b/src/virt-viewer-util.c
> > > @@ -295,6 +295,8 @@ void virt_viewer_util_init(const char *appname)
> > >          }
> > >      }
> > >  #endif
> > > +    /* FIXME: avoid rendering issues with csd - used by default in Win10*/
> > > +    g_setenv("GTK_CSD", "0", TRUE);
> > 
> > At the version least you should make this hidden behind G_OS_WIN32,
> > even better if you can make it only happen on Win10 at runtime.
> 
> I wanted to keep it for every OS so it is harder to forget about fixing it.

Nope that'll break virt-viewer when run under Wayland, since AFAIK, the
Wayland compositors all request CSD

Regards,
Daniel
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