diff options
| author | Matt Mayfield <mdmayfield@users.noreply.github.com> | 2018-08-21 21:12:33 -0500 |
|---|---|---|
| committer | Peter Hutterer <peter.hutterer@who-t.net> | 2019-07-15 13:08:47 +1000 |
| commit | e97f0549173a07aa6ebd19ca19f842b8d3ac994c (patch) | |
| tree | 75ac1acf4fe4f8c086d239e6e7412f59fe9752a1 /src | |
| parent | 7b9a6a94a37cc659d3888c4de25deaca9bd4bed6 (diff) | |
gestures: improve scroll responsiveness for vertically aligned touches
Put some basic location checks in, if the fingers are next to each other and
vertically close, assume scroll over swipe.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>:
Diffstat (limited to 'src')
| -rw-r--r-- | src/evdev-mt-touchpad-gestures.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/evdev-mt-touchpad-gestures.c b/src/evdev-mt-touchpad-gestures.c index d4133b52..12e00a3f 100644 --- a/src/evdev-mt-touchpad-gestures.c +++ b/src/evdev-mt-touchpad-gestures.c @@ -496,6 +496,17 @@ tp_gesture_handle_state_unknown(struct tp_dispatch *tp, uint64_t time) if (first_mm < 1 && second_mm < 1) return GESTURE_STATE_UNKNOWN; + /* If both touches are within 7mm vertically and 40mm horizontally, + * assume scroll/swipe */ + if (distance_mm.x < 40 && distance_mm.y < 7.0) { + if (tp->gesture.finger_count == 2) { + tp_gesture_set_scroll_buildup(tp); + return GESTURE_STATE_SCROLL; + } else if (tp->gesture.enabled) { + return GESTURE_STATE_SWIPE; + } + } + /* If one touch exceeds the outer threshold while the other has not * yet passed the inner threshold, this is not a valid gesture. * If thumb detection is enabled, and one of the touches is >20mm |