15f8b78904
Xwayland won't emulate XWarpPointer requests if the cursor is visible,
this is to avoid having the cursor jumping on screen and preventing
random X11 clients from controlling the pointer in Wayland, while
allowing games which use that mechanism with a hidden cursor to work in
Xwayland.
There are, however, games which tend to do it in the wrong order, i.e.
show the cursor before moving the pointer, and because Xwayland will not
allow an X11 client to move the pointer while the cursor is visible, the
requests will fail.
Add a workaround for such X11 clients, when the cursor is being shown,
keep it invisible until the cursor is actually moved. This way, X11
clients which show their cursor just before moving it would still have a
chance to succeed.
v2: Add a timeout to show the cursor for well behaved clients.
v3: Some cleanup (Michel)
v4: Do not cancel cursor delay when updating the cursor to avoid
delaying cursor visibility indefinitely if the client keeps
settings different cursors (Michel)
Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>
Tested-by: Jaap Buurman jaapbuurman@gmail.com
Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Closes: https://gitlab.freedesktop.org/xorg/xserver/-/issues/734
(cherry picked from commit
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X Server
The X server accepts requests from client applications to create windows, which are (normally rectangular) "virtual screens" that the client program can draw into.
Windows are then composed on the actual screen by the X server (or by a separate composite manager) as directed by the window manager, which usually communicates with the user via graphical controls such as buttons and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the following article: https://en.wikipedia.org/wiki/X_server
All questions regarding this software should be directed at the Xorg mailing list:
https://lists.freedesktop.org/mailman/listinfo/xorg
The primary development code repository can be found at:
https://gitlab.freedesktop.org/xorg/xserver
For patch submission instructions, see:
https://www.x.org/wiki/Development/Documentation/SubmittingPatches
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