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Re: remote GTK apps nor workin correctly in Cygwin/X

On 30/11/2016 12:36, David Cunningham wrote:
I'm not sure if this is a cygwin problem, a gtk problem or something
else (please be gentle).

Thanks for reporting this issue.

I have 3 remote machines, one running servers, one running Ubuntu 16.04
and the other 2 Debian stretch.
Remote applications on the Debian machines from a Cygwin xterm (or
putty) don't work correctly. An application (gnome-terminal and nemiver
being the two mostly use) will open correctly and keyboard is (mostly)
OK but mouse input doesn't work.

For example clicking a menu heading will place a line under the heading
in the GUI but the menu doesn't open. Note that I get the same failure
when using the keyboard shortcut keys (e.g ALT-F <> File). Sometimes a
part of the menu (maybe one or 2 lines) will appear in the top left of
the Desktop and can be scrolled through and selected using the keyboard.
The window controls (minimise, maximise, exit) work correctly.

I can reproduce this using a debian stretch VM.

It occurs with the cygwin X server in both windowed and multiwindow mode, so that would seem to exonerate the cygwin multiwindow mode WM.

The menus work correctly using the debian X server with no WM, though.

I get (lots of ) GTK error messages in terminal like this as I try to
use the GUI:
I've come across this bug filed against gtk in Debian which seems
somewhat similar:


I'm unclear then whether this is a Debian/gtk issue or a Cywin/X issue
(given that Ubuntu->Debian is OK).

I'm pretty sure this is more fallout from the change mentioned in the upstream bug [1] linked there, but why it only manifests under the cygwin X server, I don't know.


Can anyone advise where I go from here?

I would suggest perhaps raising a bug against gtk+, although idk how much attention that will get.

Jon Turney
Volunteer Cygwin/X X Server maintainer

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