END_TEST
START_TEST(test_event_values_invalid)
{
struct uinput_device* uidev;
struct libevdev *dev;
int rc;
struct input_absinfo abs[2];
int value;
memset(abs, 0, sizeof(abs));
abs[0].value = ABS_X;
abs[0].maximum = 1000;
abs[1].value = ABS_Y;
abs[1].maximum = 1000;
rc = test_create_abs_device(&uidev, &dev,
2, abs,
EV_SYN, SYN_REPORT,
EV_SYN, SYN_DROPPED,
EV_REL, REL_X,
EV_REL, REL_Y,
EV_KEY, BTN_LEFT,
EV_KEY, BTN_MIDDLE,
EV_KEY, BTN_RIGHT,
-1);
ck_assert_msg(rc == 0, "Failed to create device: %s", strerror(-rc));
ck_assert_int_eq(libevdev_get_event_value(dev, EV_KEY, BTN_EXTRA), 0);
ck_assert_int_eq(libevdev_get_event_value(dev, EV_ABS, ABS_Z), 0);
ck_assert_int_eq(libevdev_get_event_value(dev, EV_REL, REL_Z), 0);
value = 0xab;
ck_assert_int_eq(libevdev_fetch_event_value(dev, EV_KEY, BTN_EXTRA, &value), 0);
ck_assert_int_eq(value, 0xab);
ck_assert_int_eq(libevdev_fetch_event_value(dev, EV_ABS, ABS_Z, &value), 0);
ck_assert_int_eq(value, 0xab);
ck_assert_int_eq(libevdev_fetch_event_value(dev, EV_REL, REL_Z, &value), 0);
ck_assert_int_eq(value, 0xab);
uinput_device_free(uidev);
libevdev_free(dev);
}
ControlState evdevDevice::Axis::GetState() const
{
int value = 0;
libevdev_fetch_event_value(m_dev, EV_ABS, m_code, &value);
// Value from 0.0 to 1.0
ControlState fvalue = MathUtil::Clamp(double(value - m_min) / double(m_range), 0.0, 1.0);
// Split into two axis, each covering half the range from 0.0 to 1.0
if (m_upper)
return std::max(0.0, fvalue - 0.5) * 2.0;
else
return (0.5 - std::min(0.5, fvalue)) * 2.0;
}
ControlState evdevDevice::Button::GetState() const
{
int value = 0;
libevdev_fetch_event_value(m_dev, EV_KEY, m_code, &value);
return value;
}
END_TEST
START_TEST(test_event_values)
{
struct uinput_device* uidev;
struct libevdev *dev;
int rc;
struct input_event ev;
struct input_absinfo abs[2];
int value;
memset(abs, 0, sizeof(abs));
abs[0].value = ABS_X;
abs[0].maximum = 1000;
abs[1].value = ABS_Y;
abs[1].maximum = 1000;
rc = test_create_abs_device(&uidev, &dev,
2, abs,
EV_SYN, SYN_REPORT,
EV_SYN, SYN_DROPPED,
EV_REL, REL_X,
EV_REL, REL_Y,
EV_KEY, BTN_LEFT,
EV_KEY, BTN_MIDDLE,
EV_KEY, BTN_RIGHT,
-1);
ck_assert_msg(rc == 0, "Failed to create device: %s", strerror(-rc));
uinput_device_event(uidev, EV_KEY, BTN_LEFT, 1);
uinput_device_event(uidev, EV_ABS, ABS_X, 100);
uinput_device_event(uidev, EV_ABS, ABS_Y, 500);
uinput_device_event(uidev, EV_SYN, SYN_REPORT, 0);
/* must still be on old values */
ck_assert_int_eq(libevdev_get_event_value(dev, EV_KEY, BTN_LEFT), 0);
ck_assert_int_eq(libevdev_get_event_value(dev, EV_ABS, ABS_X), 0);
ck_assert_int_eq(libevdev_get_event_value(dev, EV_ABS, ABS_Y), 0);
ck_assert_int_eq(libevdev_get_event_value(dev, EV_REL, REL_X), 0);
ck_assert_int_eq(libevdev_get_event_value(dev, EV_REL, REL_Y), 0);
ck_assert_int_eq(libevdev_fetch_event_value(dev, EV_KEY, BTN_LEFT, &value), 1);
ck_assert_int_eq(value, 0);
do {
rc = libevdev_next_event(dev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
} while (rc == 0);
ck_assert_int_eq(rc, -EAGAIN);
ck_assert_int_eq(libevdev_get_event_value(dev, EV_KEY, BTN_LEFT), 1);
ck_assert_int_eq(libevdev_get_event_value(dev, EV_ABS, ABS_X), 100);
ck_assert_int_eq(libevdev_get_event_value(dev, EV_ABS, ABS_Y), 500);
/* always 0 */
ck_assert_int_eq(libevdev_get_event_value(dev, EV_REL, REL_X), 0);
ck_assert_int_eq(libevdev_get_event_value(dev, EV_REL, REL_Y), 0);
ck_assert_int_eq(libevdev_fetch_event_value(dev, EV_KEY, BTN_LEFT, &value), 1);
ck_assert_int_eq(value, 1);
ck_assert_int_eq(libevdev_fetch_event_value(dev, EV_ABS, ABS_X, &value), 1);
ck_assert_int_eq(value, 100);
ck_assert_int_eq(libevdev_fetch_event_value(dev, EV_ABS, ABS_Y, &value), 1);
ck_assert_int_eq(value, 500);
uinput_device_free(uidev);
libevdev_free(dev);
}
