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); }