int
tp_init_buttons(struct tp_dispatch *tp,
struct evdev_device *device)
{
struct libinput *libinput = tp_libinput_context(tp);
struct tp_touch *t;
const struct input_absinfo *absinfo_x, *absinfo_y;
tp->buttons.is_clickpad = libevdev_has_property(device->evdev,
INPUT_PROP_BUTTONPAD);
tp->buttons.has_topbuttons = libevdev_has_property(device->evdev,
INPUT_PROP_TOPBUTTONPAD);
if (libevdev_has_event_code(device->evdev, EV_KEY, BTN_MIDDLE) ||
libevdev_has_event_code(device->evdev, EV_KEY, BTN_RIGHT)) {
if (tp->buttons.is_clickpad)
log_bug_kernel(libinput,
"%s: clickpad advertising right button\n",
device->devname);
} else if (libevdev_has_event_code(device->evdev, EV_KEY, BTN_LEFT) &&
!tp->buttons.is_clickpad &&
libevdev_get_id_vendor(device->evdev) != VENDOR_ID_APPLE) {
log_bug_kernel(libinput,
"%s: non clickpad without right button?\n",
device->devname);
}
absinfo_x = device->abs.absinfo_x;
absinfo_y = device->abs.absinfo_y;
/* pinned-finger motion threshold, see tp_unpin_finger. */
tp->buttons.motion_dist.x_scale_coeff = 1.0/absinfo_x->resolution;
tp->buttons.motion_dist.y_scale_coeff = 1.0/absinfo_y->resolution;
tp->buttons.config_method.get_methods = tp_button_config_click_get_methods;
tp->buttons.config_method.set_method = tp_button_config_click_set_method;
tp->buttons.config_method.get_method = tp_button_config_click_get_method;
tp->buttons.config_method.get_default_method = tp_button_config_click_get_default_method;
tp->device->base.config.click_method = &tp->buttons.config_method;
tp->buttons.click_method = tp_click_get_default_method(tp);
tp_switch_click_method(tp);
tp_init_top_softbuttons(tp, device, 1.0);
tp_init_middlebutton_emulation(tp, device);
tp_for_each_touch(tp, t) {
t->button.state = BUTTON_STATE_NONE;
libinput_timer_init(&t->button.timer,
tp_libinput_context(tp),
tp_button_handle_timeout, t);
}
int
tp_process_button(struct tp_dispatch *tp,
const struct input_event *e,
uint64_t time)
{
struct libinput *libinput = tp_libinput_context(tp);
uint32_t mask = 1 << (e->code - BTN_LEFT);
/* Ignore other buttons on clickpads */
if (tp->buttons.is_clickpad && e->code != BTN_LEFT) {
log_bug_kernel(libinput,
"received %s button event on a clickpad\n",
libevdev_event_code_get_name(EV_KEY, e->code));
return 0;
}
if (e->value) {
tp->buttons.state |= mask;
tp->queued |= TOUCHPAD_EVENT_BUTTON_PRESS;
} else {
tp->buttons.state &= ~mask;
tp->queued |= TOUCHPAD_EVENT_BUTTON_RELEASE;
}
return 0;
}
