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touchpad: change palm detection trigger functions to bools

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And rename to make it more obvious what the return value means.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Yong Bakos <ybakos@humanoriented.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
This commit is contained in:
Peter Hutterer 2016-07-19 10:05:37 +10:00
parent 3dac359df3
commit bc84245ec3
1 changed files with 15 additions and 13 deletions
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28
src/evdev-mt-touchpad.c
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@ -573,15 +573,17 @@ tp_palm_tap_is_palm(const struct tp_dispatch *tp, const struct tp_touch *t)
return false;
}
static int
tp_palm_detect_dwt(struct tp_dispatch *tp, struct tp_touch *t, uint64_t time)
static bool
tp_palm_detect_dwt_triggered(struct tp_dispatch *tp,
struct tp_touch *t,
uint64_t time)
{
if (tp->dwt.dwt_enabled &&
tp->dwt.keyboard_active &&
t->state == TOUCH_BEGIN) {
t->palm.state = PALM_TYPING;
t->palm.first = t->point;
return 1;
return true;
} else if (!tp->dwt.keyboard_active &&
t->state == TOUCH_UPDATE &&
t->palm.state == PALM_TYPING) {
@ -599,22 +601,22 @@ tp_palm_detect_dwt(struct tp_dispatch *tp, struct tp_touch *t, uint64_t time)
}
}
return 0;
return false;
}
static int
tp_palm_detect_trackpoint(struct tp_dispatch *tp,
struct tp_touch *t,
uint64_t time)
static bool
tp_palm_detect_trackpoint_triggered(struct tp_dispatch *tp,
struct tp_touch *t,
uint64_t time)
{
if (!tp->palm.monitor_trackpoint)
return 0;
return false;
if (t->palm.state == PALM_NONE &&
t->state == TOUCH_BEGIN &&
tp->palm.trackpoint_active) {
t->palm.state = PALM_TRACKPOINT;
return 1;
return true;
} else if (t->palm.state == PALM_TRACKPOINT &&
t->state == TOUCH_UPDATE &&
!tp->palm.trackpoint_active) {
@ -627,7 +629,7 @@ tp_palm_detect_trackpoint(struct tp_dispatch *tp,
}
}
return 0;
return false;
}
static inline bool
@ -684,10 +686,10 @@ static void
tp_palm_detect(struct tp_dispatch *tp, struct tp_touch *t, uint64_t time)
{
if (tp_palm_detect_dwt(tp, t, time))
if (tp_palm_detect_dwt_triggered(tp, t, time))
goto out;
if (tp_palm_detect_trackpoint(tp, t, time))
if (tp_palm_detect_trackpoint_triggered(tp, t, time))
goto out;
if (t->palm.state == PALM_EDGE) {