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touchpad: mark the first finger as pointer-controlling finger

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Unused at the moment, but will be used later to determine if a finger should
trigger motion events.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2014-02-14 13:59:41 +10:00
parent 05f82c573f
commit f3accd3c05
2 changed files with 5 additions and 0 deletions
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4
src/evdev-mt-touchpad.c
View file

@ -159,6 +159,9 @@ tp_begin_touch(struct tp_dispatch *tp, struct tp_touch *t)
tp->nfingers_down++;
assert(tp->nfingers_down >= 1);
tp->queued |= TOUCHPAD_EVENT_MOTION;
if (tp->nfingers_down == 1)
t->is_pointer = true;
}
}
@ -169,6 +172,7 @@ tp_end_touch(struct tp_dispatch *tp, struct tp_touch *t)
return;
t->dirty = true;
t->is_pointer = false;
t->state = TOUCH_END;
assert(tp->nfingers_down >= 1);
tp->nfingers_down--;

1
src/evdev-mt-touchpad.h
View file

@ -76,6 +76,7 @@ struct tp_touch {
enum touch_state state;
bool dirty;
bool fake; /* a fake touch */
bool is_pointer; /* the pointer-controlling touch */
int32_t x;
int32_t y;
uint32_t millis;