diff options
| -rw-r--r-- | dix/eventconvert.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/dix/eventconvert.c b/dix/eventconvert.c index 4e3de0b46..0f747c1a0 100644 --- a/dix/eventconvert.c +++ b/dix/eventconvert.c @@ -102,6 +102,15 @@ EventToCore(InternalEvent *event, xEvent *core) switch(event->any.type) { case ET_Motion: + { + DeviceEvent *e = &event->device_event; + /* Don't create core motion event if neither x nor y are + * present */ + if (!BitIsOn(e->valuators.mask, 0) && + !BitIsOn(e->valuators.mask, 1)) + return BadMatch; + } + /* fallthrough */ case ET_ButtonPress: case ET_ButtonRelease: case ET_KeyPress: |