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touchpad: reduced the 2fg scroll threshold to 1mm

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At least on the t440, this is enough to trigger correct detection between
pinch and scroll 90% of the time. Since scrolling is significantly more
prevalent than gesturing, erring on the side of scrolling at the cost of
misdetecting some gestures is acceptable.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Peter Hutterer 2015-11-09 16:21:36 +10:00
parent 12e9a940b3
commit 09a296708a
2 changed files with 5 additions and 5 deletions
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2
src/evdev-mt-touchpad-gestures.c
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@ -195,7 +195,7 @@ tp_gesture_get_direction(struct tp_dispatch *tp, struct tp_touch *touch)
(tp->device->model_flags & EVDEV_MODEL_ELANTECH_TOUCHPAD) == 0) (tp->device->model_flags & EVDEV_MODEL_ELANTECH_TOUCHPAD) == 0)
move_threshold = TP_MM_TO_DPI_NORMALIZED(4); move_threshold = TP_MM_TO_DPI_NORMALIZED(4);
else else
move_threshold = TP_MM_TO_DPI_NORMALIZED(2); move_threshold = TP_MM_TO_DPI_NORMALIZED(1);
delta = device_delta(touch->point, touch->gesture.initial); delta = device_delta(touch->point, touch->gesture.initial);

8
test/gestures.c
View file

@ -294,13 +294,13 @@ START_TEST(gestures_spread)
for (i = 0; i < 15; i++) { for (i = 0; i < 15; i++) {
litest_push_event_frame(dev); litest_push_event_frame(dev);
if (dir_x > 0.0) if (dir_x > 0.0)
dir_x += 2; dir_x += 1;
else if (dir_x < 0.0) else if (dir_x < 0.0)
dir_x -= 2; dir_x -= 1;
if (dir_y > 0.0) if (dir_y > 0.0)
dir_y += 2; dir_y += 1;
else if (dir_y < 0.0) else if (dir_y < 0.0)
dir_y -= 2; dir_y -= 1;
litest_touch_move(dev, litest_touch_move(dev,
0, 0,
50 + dir_x, 50 + dir_x,