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touchpad: add gesture state debug helper

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2015-07-10 15:03:42 +10:00
parent cbaa79cfdb
commit aab4ccac5c
1 changed files with 21 additions and 0 deletions
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21
src/evdev-mt-touchpad-gestures.c
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@ -32,6 +32,20 @@
#define DEFAULT_GESTURE_SWITCH_TIMEOUT 100 /* ms */
#define DEFAULT_GESTURE_2FG_SCROLL_TIMEOUT 1000 /* ms */
#define CASE_RETURN_STRING(a) case a: return #a
static inline const char*
gesture_state_to_str(enum tp_gesture_2fg_state state)
{
switch (state) {
CASE_RETURN_STRING(GESTURE_2FG_STATE_NONE);
CASE_RETURN_STRING(GESTURE_2FG_STATE_UNKNOWN);
CASE_RETURN_STRING(GESTURE_2FG_STATE_SCROLL);
CASE_RETURN_STRING(GESTURE_2FG_STATE_PINCH);
}
return NULL;
}
static struct normalized_coords
tp_get_touches_delta(struct tp_dispatch *tp, bool average)
{
@ -380,6 +394,8 @@ tp_gesture_twofinger_handle_state_pinch(struct tp_dispatch *tp, uint64_t time)
static void
tp_gesture_post_twofinger(struct tp_dispatch *tp, uint64_t time)
{
enum tp_gesture_2fg_state oldstate = tp->gesture.twofinger_state;
if (tp->gesture.twofinger_state == GESTURE_2FG_STATE_NONE)
tp->gesture.twofinger_state =
tp_gesture_twofinger_handle_state_none(tp, time);
@ -395,6 +411,11 @@ tp_gesture_post_twofinger(struct tp_dispatch *tp, uint64_t time)
if (tp->gesture.twofinger_state == GESTURE_2FG_STATE_PINCH)
tp->gesture.twofinger_state =
tp_gesture_twofinger_handle_state_pinch(tp, time);
log_debug(tp_libinput_context(tp),
"gesture state: %s → %s\n",
gesture_state_to_str(oldstate),
gesture_state_to_str(tp->gesture.twofinger_state));
}
static void