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touchpad: change clickfinger check distance function to a bool

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

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 10:03:21 +10:00
parent 271dc496dc
commit 3dac359df3
1 changed files with 7 additions and 7 deletions
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14
src/evdev-mt-touchpad-buttons.c
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@ -926,13 +926,13 @@ tp_post_physical_buttons(struct tp_dispatch *tp, uint64_t time)
return 0;
}
static inline int
tp_check_clickfinger_distance(struct tp_dispatch *tp,
struct tp_touch *t1,
struct tp_touch *t2)
static inline bool
tp_clickfinger_within_distance(struct tp_dispatch *tp,
struct tp_touch *t1,
struct tp_touch *t2)
{
double x, y;
int within_distance = 0;
bool within_distance = false;
int xres, yres;
int bottom_threshold;
@ -956,7 +956,7 @@ tp_check_clickfinger_distance(struct tp_dispatch *tp,
if (x > 40 || y > 30)
goto out;
within_distance = 1;
within_distance = true;
/* if y spread is <= 20mm, they're definitely together. */
if (y <= 20)
@ -1014,7 +1014,7 @@ tp_clickfinger_set_button(struct tp_dispatch *tp)
goto out;
}
if (tp_check_clickfinger_distance(tp, first, second))
if (tp_clickfinger_within_distance(tp, first, second))
nfingers = 2;
else
nfingers = 1;