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touchpad: implement configurable button mapping for tapping

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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 2016-07-21 14:03:28 +10:00
parent 59fac8e902
commit fbadb1ad3e
3 changed files with 50 additions and 8 deletions
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50
src/evdev-mt-touchpad-tap.c
View file

@ -105,14 +105,17 @@ tp_tap_notify(struct tp_dispatch *tp,
enum libinput_button_state state)
{
int32_t button;
int32_t button_map[2][3] = {
{ BTN_LEFT, BTN_RIGHT, BTN_MIDDLE },
{ BTN_LEFT, BTN_MIDDLE, BTN_RIGHT },
};
switch (nfingers) {
case 1: button = BTN_LEFT; break;
case 2: button = BTN_RIGHT; break;
case 3: button = BTN_MIDDLE; break;
default:
assert(tp->tap.map < ARRAY_LENGTH(button_map));
if (nfingers > 3)
return;
}
button = button_map[tp->tap.map][nfingers - 1];
if (state == LIBINPUT_BUTTON_STATE_PRESSED)
tp->tap.buttons_pressed |= (1 << nfingers);
@ -827,6 +830,22 @@ tp_tap_handle_state(struct tp_dispatch *tp, uint64_t time)
return filter_motion;
}
static inline void
tp_tap_update_map(struct tp_dispatch *tp)
{
if (tp->tap.state != TAP_STATE_IDLE)
return;
if (tp->tap.map != tp->tap.want_map)
tp->tap.map = tp->tap.want_map;
}
void
tp_tap_post_process_state(struct tp_dispatch *tp)
{
tp_tap_update_map(tp);
}
static void
tp_tap_handle_timeout(uint64_t time, void *data)
{
@ -938,13 +957,26 @@ static enum libinput_config_status
tp_tap_config_set_map(struct libinput_device *device,
enum libinput_config_tap_button_map map)
{
return LIBINPUT_CONFIG_STATUS_UNSUPPORTED;
struct evdev_dispatch *dispatch = ((struct evdev_device *) device)->dispatch;
struct tp_dispatch *tp = NULL;
tp = container_of(dispatch, tp, base);
tp->tap.want_map = map;
tp_tap_update_map(tp);
return LIBINPUT_CONFIG_STATUS_SUCCESS;
}
static enum libinput_config_tap_button_map
tp_tap_config_get_map(struct libinput_device *device)
{
return LIBINPUT_CONFIG_TAP_MAP_LRM;
struct evdev_dispatch *dispatch = ((struct evdev_device *) device)->dispatch;
struct tp_dispatch *tp = NULL;
tp = container_of(dispatch, tp, base);
return tp->tap.want_map;
}
static enum libinput_config_tap_button_map
@ -1049,6 +1081,8 @@ tp_init_tap(struct tp_dispatch *tp)
tp->tap.state = TAP_STATE_IDLE;
tp->tap.enabled = tp_tap_default(tp->device);
tp->tap.map = LIBINPUT_CONFIG_TAP_MAP_LRM;
tp->tap.want_map = tp->tap.map;
tp->tap.drag_enabled = tp_drag_default(tp->device);
tp->tap.drag_lock_enabled = tp_drag_lock_default(tp->device);

2
src/evdev-mt-touchpad.c
View file

@ -1110,6 +1110,8 @@ tp_post_process_state(struct tp_dispatch *tp, uint64_t time)
tp->buttons.old_state = tp->buttons.state;
tp->queued = TOUCHPAD_EVENT_NONE;
tp_tap_post_process_state(tp);
}
static void

6
src/evdev-mt-touchpad.h
View file

@ -322,6 +322,9 @@ struct tp_dispatch {
uint32_t buttons_pressed;
uint64_t first_press_time;
enum libinput_config_tap_button_map map;
enum libinput_config_tap_button_map want_map;
bool drag_enabled;
bool drag_lock_enabled;
} tap;
@ -429,6 +432,9 @@ tp_touch_active(const struct tp_dispatch *tp, const struct tp_touch *t);
int
tp_tap_handle_state(struct tp_dispatch *tp, uint64_t time);
void
tp_tap_post_process_state(struct tp_dispatch *tp);
void
tp_init_tap(struct tp_dispatch *tp);