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xwayland: Add PtrFeedback to the touch device 

Trying to change the acceleration/threshold on Xwayland cannot work, and
the corresponding handler xwl_pointer_control() is a no-op.

Yet, an X11 client trying to change those on the touch device may
possibly cause a crash because the touch device in Xwayland doesn't set
that.

Initialize the touch device's PtrFeedback to make sure that just cannot
happen.

Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Closes: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1137
This commit is contained in:
Olivier Fourdan 2021-02-15 11:23:59 +01:00
parent a4095162ca
commit ab76272a7d
1 changed files with 4 additions and 0 deletions
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4
hw/xwayland/xwayland-input.c
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@ -303,6 +303,10 @@ xwl_touch_proc(DeviceIntPtr device, int what)
0, 0xFFFF, 10000, 0, 10000, Absolute);
InitValuatorAxisStruct(device, 1, axes_labels[1],
0, 0xFFFF, 10000, 0, 10000, Absolute);
if (!InitPtrFeedbackClassDeviceStruct(device, xwl_pointer_control))
return BadValue;
return Success;
case DEVICE_ON: