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Qt: Handle middle mouse button #76

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Merged
gselzer merged 1 commit into from
Apr 24, 2026
Merged

Qt: Handle middle mouse button #76

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2 changes: 2 additions & 0 deletions src/scenex/app/_qt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,8 @@ def mouse_btn(self, btn: Any) -> MouseButton:
return MouseButton.LEFT
if btn == Qt.MouseButton.RightButton:
return MouseButton.RIGHT
if btn == Qt.MouseButton.MiddleButton:
return MouseButton.MIDDLE
if btn == Qt.MouseButton.NoButton:
return MouseButton.NONE

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28 changes: 17 additions & 11 deletions tests/app/test_qt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -55,24 +55,30 @@ def evented_canvas(qtbot: QtBot) -> snx.Canvas:
return canvas


def test_mouse_press(evented_canvas: snx.Canvas, qtbot: QtBot) -> None:
@pytest.mark.parametrize(
"qt_button, expected_buttons",
[
(Qt.MouseButton.LeftButton, MouseButton.LEFT),
(Qt.MouseButton.RightButton, MouseButton.RIGHT),
(Qt.MouseButton.MiddleButton, MouseButton.MIDDLE),
],
)
def test_mouse_press(
evented_canvas: snx.Canvas,
qtbot: QtBot,
qt_button: Qt.MouseButton,
expected_buttons: MouseButton,
) -> None:
adaptor = evented_canvas._get_adaptors(create=True)[0]
native = cast("CanvasAdaptor", adaptor)._snx_get_native()
mock_filter = MagicMock(return_value=False)
evented_canvas.set_event_filter(mock_filter)

press_point = (5, 10)
# Press the left button
qtbot.mousePress(native, Qt.MouseButton.LeftButton, pos=QPoint(*press_point))
mock_filter.assert_called_once_with(
MousePressEvent(pos=press_point, buttons=MouseButton.LEFT)
)

mock_filter.reset_mock()
# Now press the right button
qtbot.mousePress(native, Qt.MouseButton.RightButton, pos=QPoint(*press_point))
# Press the button
qtbot.mousePress(native, qt_button, pos=QPoint(*press_point))
mock_filter.assert_called_once_with(
MousePressEvent(pos=press_point, buttons=MouseButton.RIGHT)
MousePressEvent(pos=press_point, buttons=expected_buttons)
)


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