a4095162ca
We are using the relative pointer for motion events, but buttons and axis events still go through the absolute pointer device. That means additional DeviceChanged events that could be avoided if the buttons and axis events were coming from the same device as motion events. Route those events to the relative pointer if available so that motion, buttons and axis events come from the same device (most of the time). Suggested-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Olivier Fourdan <ofourdan@redhat.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Related: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1130
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
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