[PATCH libinput] touchpad: move the tapping exclusion zone to the top edge of the button
Peter Hutterer
peter.hutterer at who-t.net
Tue Feb 16 23:29:11 UTC 2016
We previously used the half-way mark of the touchpad's y axis to decide where
to ignore tapping. Move this down to the top edge of the software buttons
instead. Users may tap with a finger in the software button areas, on the rest
of the touchpad it's unlikely that they tap within 5% of the edge.
On touchpads with physical buttons or if clickfinger is enabled, the
no-tapping zone extends to the bottom of the touchpad. This required splitting
the tests into clickfinger, softbuttons and hardbuttons.
https://bugs.freedesktop.org/show_bug.cgi?id=93947
Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
src/evdev-mt-touchpad.c | 11 +++-----
src/evdev-mt-touchpad.h | 1 -
test/touchpad.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++---
3 files changed, 72 insertions(+), 12 deletions(-)
diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index d8b2334..78d18a4 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -538,9 +538,9 @@ tp_palm_tap_is_palm(const struct tp_dispatch *tp, const struct tp_touch *t)
t->point.x < tp->palm.right_edge)
return false;
- /* We're inside the left/right palm edge and in the northern half of
- * the touchpad - this tap is a palm */
- if (t->point.y < tp->palm.vert_center) {
+ /* We're inside the left/right palm edge and not in one of the
+ * software button areas */
+ if (t->point.y < tp->buttons.bottom_area.top_edge) {
log_debug(tp_libinput_context(tp),
"palm: palm-tap detected\n");
return true;
@@ -1824,14 +1824,12 @@ static int
tp_init_palmdetect(struct tp_dispatch *tp,
struct evdev_device *device)
{
- int width, height;
+ int width;
tp->palm.right_edge = INT_MAX;
tp->palm.left_edge = INT_MIN;
- tp->palm.vert_center = INT_MIN;
width = device->abs.dimensions.x;
- height = device->abs.dimensions.y;
/* Wacom doesn't have internal touchpads */
if (device->model_flags & EVDEV_MODEL_WACOM_TOUCHPAD)
@@ -1845,7 +1843,6 @@ tp_init_palmdetect(struct tp_dispatch *tp,
/* palm edges are 5% of the width on each side */
tp->palm.right_edge = device->abs.absinfo_x->maximum - width * 0.05;
tp->palm.left_edge = device->abs.absinfo_x->minimum + width * 0.05;
- tp->palm.vert_center = device->abs.absinfo_y->minimum + height/2;
tp->palm.monitor_trackpoint = true;
diff --git a/src/evdev-mt-touchpad.h b/src/evdev-mt-touchpad.h
index 87d34b2..eae327b 100644
--- a/src/evdev-mt-touchpad.h
+++ b/src/evdev-mt-touchpad.h
@@ -321,7 +321,6 @@ struct tp_dispatch {
struct {
int32_t right_edge; /* in device coordinates */
int32_t left_edge; /* in device coordinates */
- int32_t vert_center; /* in device coordinates */
bool trackpoint_active;
struct libinput_event_listener trackpoint_listener;
diff --git a/test/touchpad.c b/test/touchpad.c
index 3574edd..be9c566 100644
--- a/test/touchpad.c
+++ b/test/touchpad.c
@@ -1031,7 +1031,7 @@ START_TEST(touchpad_palm_detect_no_palm_moving_into_edges)
}
END_TEST
-START_TEST(touchpad_palm_detect_tap)
+START_TEST(touchpad_palm_detect_tap_hardbuttons)
{
struct litest_device *dev = litest_current_device();
struct libinput *li = dev->libinput;
@@ -1051,7 +1051,38 @@ START_TEST(touchpad_palm_detect_tap)
litest_touch_up(dev, 0);
litest_assert_empty_queue(li);
- litest_touch_down(dev, 0, 5, 90);
+ litest_touch_down(dev, 0, 5, 99);
+ litest_touch_up(dev, 0);
+ litest_assert_empty_queue(li);
+
+ litest_touch_down(dev, 0, 95, 99);
+ litest_touch_up(dev, 0);
+ litest_assert_empty_queue(li);
+}
+END_TEST
+
+START_TEST(touchpad_palm_detect_tap_softbuttons)
+{
+ struct litest_device *dev = litest_current_device();
+ struct libinput *li = dev->libinput;
+
+ if (!touchpad_has_palm_detect_size(dev))
+ return;
+
+ litest_enable_tap(dev->libinput_device);
+ litest_enable_buttonareas(dev);
+
+ litest_drain_events(li);
+
+ litest_touch_down(dev, 0, 95, 5);
+ litest_touch_up(dev, 0);
+ litest_assert_empty_queue(li);
+
+ litest_touch_down(dev, 0, 5, 5);
+ litest_touch_up(dev, 0);
+ litest_assert_empty_queue(li);
+
+ litest_touch_down(dev, 0, 5, 99);
litest_touch_up(dev, 0);
litest_assert_button_event(li,
BTN_LEFT,
@@ -1061,7 +1092,7 @@ START_TEST(touchpad_palm_detect_tap)
LIBINPUT_BUTTON_STATE_RELEASED);
litest_assert_empty_queue(li);
- litest_touch_down(dev, 0, 95, 90);
+ litest_touch_down(dev, 0, 95, 99);
litest_touch_up(dev, 0);
litest_assert_button_event(li,
BTN_LEFT,
@@ -1073,6 +1104,37 @@ START_TEST(touchpad_palm_detect_tap)
}
END_TEST
+START_TEST(touchpad_palm_detect_tap_clickfinger)
+{
+ struct litest_device *dev = litest_current_device();
+ struct libinput *li = dev->libinput;
+
+ if (!touchpad_has_palm_detect_size(dev))
+ return;
+
+ litest_enable_tap(dev->libinput_device);
+ litest_enable_clickfinger(dev);
+
+ litest_drain_events(li);
+
+ litest_touch_down(dev, 0, 95, 5);
+ litest_touch_up(dev, 0);
+ litest_assert_empty_queue(li);
+
+ litest_touch_down(dev, 0, 5, 5);
+ litest_touch_up(dev, 0);
+ litest_assert_empty_queue(li);
+
+ litest_touch_down(dev, 0, 5, 99);
+ litest_touch_up(dev, 0);
+ litest_assert_empty_queue(li);
+
+ litest_touch_down(dev, 0, 95, 99);
+ litest_touch_up(dev, 0);
+ litest_assert_empty_queue(li);
+}
+END_TEST
+
START_TEST(touchpad_left_handed)
{
struct litest_device *dev = litest_current_device();
@@ -3933,7 +3995,9 @@ litest_setup_tests(void)
litest_add("touchpad:palm", touchpad_palm_detect_palm_becomes_pointer, LITEST_TOUCHPAD, LITEST_ANY);
litest_add("touchpad:palm", touchpad_palm_detect_palm_stays_palm, LITEST_TOUCHPAD, LITEST_ANY);
litest_add("touchpad:palm", touchpad_palm_detect_no_palm_moving_into_edges, LITEST_TOUCHPAD, LITEST_ANY);
- litest_add("touchpad:palm", touchpad_palm_detect_tap, LITEST_TOUCHPAD, LITEST_ANY);
+ litest_add("touchpad:palm", touchpad_palm_detect_tap_hardbuttons, LITEST_TOUCHPAD, LITEST_CLICKPAD);
+ litest_add("touchpad:palm", touchpad_palm_detect_tap_softbuttons, LITEST_CLICKPAD, LITEST_ANY);
+ litest_add("touchpad:palm", touchpad_palm_detect_tap_clickfinger, LITEST_CLICKPAD, LITEST_ANY);
litest_add("touchpad:palm", touchpad_no_palm_detect_at_edge_for_edge_scrolling, LITEST_TOUCHPAD, LITEST_CLICKPAD);
litest_add("touchpad:left-handed", touchpad_left_handed, LITEST_TOUCHPAD|LITEST_BUTTON, LITEST_CLICKPAD);
--
2.5.0
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