Aug 20, 2021 · Aug 20, 2021 · Aug 20, 2021
diff --git a/lib/matplotlib/tests/test_backend_qt.py b/lib/matplotlib/tests/test_backend_qt.py
        ('Key_Control', ['AltModifier'], 'alt+control'),
        ('Key_Alt', ['ControlModifier'], 'ctrl+alt'),
        ('Key_Aacute', ['ControlModifier', 'AltModifier', 'MetaModifier'],
         'ctrl+alt+super+\N{LATIN SMALL LETTER A WITH ACUTE}'),
         'ctrl+alt+meta+\N{LATIN SMALL LETTER A WITH ACUTE}'),
        # We do not currently map the media keys, this may change in the
        # future.  This means the callback will never fire
        ('Key_Play', [], None),
        ('Key_Backspace', [], 'backspace'),
        ('Key_Backspace', ['ControlModifier'], 'ctrl+backspace'),
    Assert sent and caught keys are the same.
    """
    from matplotlib.backends.qt_compat import _enum, _to_int
    result = None
    qt_mod = _enum("QtCore.Qt.KeyboardModifier").NoModifier
    for mod in qt_mods:
        qt_mod |= getattr(_enum("QtCore.Qt.KeyboardModifier"), mod)
        def modifiers(self): return qt_mod

    def on_key_press(event):
        assert event.key == answer
        nonlocal result
        result = event.key

    qt_canvas = plt.figure().canvas
    qt_canvas.mpl_connect('key_press_event', on_key_press)
    qt_canvas.keyPressEvent(_Event())
    assert result == answer


 @pytest.mark.backend('QtAgg', skip_on_importerror=True)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -106,7 +106,9 @@ def CustomHandler(signum, frame):
		('Key_Control', ['AltModifier'], 'alt+control'),
		('Key_Alt', ['ControlModifier'], 'ctrl+alt'),
		('Key_Aacute', ['ControlModifier', 'AltModifier', 'MetaModifier'],
		'ctrl+alt+super+\N{LATIN SMALL LETTER A WITH ACUTE}'),
		'ctrl+alt+meta+\N{LATIN SMALL LETTER A WITH ACUTE}'),
		# We do not currently map the media keys, this may change in the
		# future. This means the callback will never fire
		('Key_Play', [], None),
		('Key_Backspace', [], 'backspace'),
		('Key_Backspace', ['ControlModifier'], 'ctrl+backspace'),
Expand DownExpand Up		@@ -142,6 +144,7 @@ def test_correct_key(backend, qt_core, qt_key, qt_mods, answer):
		Assert sent and caught keys are the same.
		"""
		from matplotlib.backends.qt_compat import _enum, _to_int
		result = None
		qt_mod = _enum("QtCore.Qt.KeyboardModifier").NoModifier
		for mod in qt_mods:
		qt_mod \|= getattr(_enum("QtCore.Qt.KeyboardModifier"), mod)
Expand All		@@ -152,11 +155,13 @@ def key(self): return _to_int(getattr(_enum("QtCore.Qt.Key"), qt_key))
		def modifiers(self): return qt_mod

		def on_key_press(event):
		assert event.key == answer
		nonlocal result
		result = event.key

		qt_canvas = plt.figure().canvas
		qt_canvas.mpl_connect('key_press_event', on_key_press)
		qt_canvas.keyPressEvent(_Event())
		assert result == answer


		@pytest.mark.backend('QtAgg', skip_on_importerror=True)
Expand Down