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import pytest
import sdl2
from sdl2 import SDL_Init, SDL_Quit, SDL_QuitSubSystem
from sdl2.error import SDL_GetError, SDL_ClearError
from .conftest import _check_error_msg
# Check if we have any touch devices before running tests
devices = 0
sdl2.SDL_SetHint(sdl2.SDL_HINT_MOUSE_TOUCH_EVENTS, b"1")
ret = sdl2.SDL_Init(sdl2.SDL_INIT_VIDEO)
if ret == 0:
devices = sdl2.SDL_GetNumTouchDevices()
SDL_Quit()
# Override the global fixture to enable trackpads as touch devices
@pytest.fixture(scope="module", autouse=True)
def with_sdl():
sdl2.SDL_SetHint(sdl2.SDL_HINT_MOUSE_TOUCH_EVENTS, b"1")
sdl2.SDL_ClearError()
ret = sdl2.SDL_Init(sdl2.SDL_INIT_VIDEO)
assert ret == 0, _check_error_msg()
yield
sdl2.SDL_Quit()
def test_SDL_GetNumTouchDevices():
assert sdl2.SDL_GetNumTouchDevices() >= 0
@pytest.mark.skipif(devices == 0, reason="No available touch devices")
def test_SDL_GetTouchDevice():
count = sdl2.SDL_GetNumTouchDevices()
for i in range(count):
dev_id = sdl2.SDL_GetTouchDevice(i)
assert dev_id != 0, _check_error_msg()
@pytest.mark.skipif(sdl2.dll.version < 2022, reason="not available")
@pytest.mark.skipif(devices == 0, reason="No available touch devices")
def test_SDL_GetTouchName(with_sdl):
count = sdl2.SDL_GetNumTouchDevices()
for i in range(count):
name = sdl2.SDL_GetTouchName(i)
assert len(name) > 0, _check_error_msg()
@pytest.mark.skipif(sdl2.dll.version < 2010, reason="not available")
@pytest.mark.skipif(devices == 0, reason="No available touch devices")
def test_SDL_GetTouchDeviceType():
types = [
sdl2.SDL_TOUCH_DEVICE_INVALID, sdl2.SDL_TOUCH_DEVICE_DIRECT,
sdl2.SDL_TOUCH_DEVICE_INDIRECT_ABSOLUTE,
sdl2.SDL_TOUCH_DEVICE_INDIRECT_RELATIVE
]
count = sdl2.SDL_GetNumTouchDevices()
for i in range(count):
dev_id = sdl2.SDL_GetTouchDevice(i)
assert dev_id != 0, _check_error_msg()
dev_type = sdl2.SDL_GetTouchDeviceType(dev_id)
assert dev_type in types
@pytest.mark.skipif(devices == 0, reason="No available touch devices")
def test_SDL_GetNumTouchFingers():
count = sdl2.SDL_GetNumTouchDevices()
for i in range(count):
dev_id = sdl2.SDL_GetTouchDevice(i)
assert dev_id != 0, _check_error_msg()
fingers = sdl2.SDL_GetNumTouchFingers(dev_id)
assert fingers >= 0, _check_error_msg()
@pytest.mark.skipif(devices == 0, reason="No available touch devices")
def test_SDL_GetTouchFinger():
count = sdl2.SDL_GetNumTouchDevices()
for i in range(count):
dev_id = sdl2.SDL_GetTouchDevice(i)
assert dev_id != 0, _check_error_msg()
fingers = sdl2.SDL_GetNumTouchFingers(dev_id)
assert fingers >= 0
for f in range(0, fingers):
finger = sdl2.SDL_GetTouchFinger(dev_id, f)
assert isinstance(finger.contents, sdl2.SDL_Finger)
assert finger.contents.id >= 0
assert 0 <= finger.contents.x <= 1
assert 0 <= finger.contents.y <= 1
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