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touchpad: don't try to unhover touches if nothing changed

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If the touch hasn't updated, the distance hasn't changed so there is no need
to unhover.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Peter Hutterer 2016-01-18 17:04:39 +10:00
parent 82335b0ab9
commit 14baf58e37
1 changed files with 3 additions and 0 deletions
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3
src/evdev-mt-touchpad.c
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@ -743,6 +743,9 @@ tp_unhover_abs_distance(struct tp_dispatch *tp, uint64_t time)
for (i = 0; i < tp->ntouches; i++) {
t = tp_get_touch(tp, i);
if (!t->dirty)
continue;
if (t->state == TOUCH_HOVERING) {
if (t->distance == 0) {
/* avoid jumps when landing a finger */