def test_multiple_focusable_adds():
container = FocusBoxLayout()
first = FocusButton()
second = FocusButton()
container.add_widget(first)
container.add_widget(second)
assert first.focus
assert not second.focus
def test_remove_focused_widget():
container = FocusBoxLayout()
first = FocusButton()
second = FocusButton()
container.add_widget(first)
container.add_widget(second)
container.remove_widget(first)
assert second.focus
assert container.focus_target is second
def test_disable_some_focus():
outer = FocusBoxLayout()
inner = FocusBoxLayout()
a = FocusButton()
b = FocusButton()
outer.add_widget(a)
outer.add_widget(inner)
inner.add_widget(b)
b.focus = True
assert outer.focus_target is b
inner.set_focus_enabled(False)
assert a.focus
def test_get_focus_upon_entering():
# If there are no focused widgets, the first focusable widget should receive focus
container = FocusBoxLayout()
widg = FocusButton()
container.add_widget(widg)
assert widg.focus
assert container.focus_target is widg
def test_defocus_all():
container = FocusBoxLayout()
widg = FocusButton()
container.add_widget(widg)
container.remove_widget(widg)
assert not widg.focus
assert container.focus_target is None
def test_reenable_focus():
container = FocusBoxLayout()
btn = FocusButton()
container.add_widget(btn)
container.set_focus_enabled(False)
assert not btn.focus
container.set_focus_enabled(True)
assert btn.focus
def test_disable_all_focus():
container = FocusBoxLayout()
a, b, c = [FocusButton() for _ in range(3)]
for btn in (a, b, c):
container.add_widget(btn)
container.set_focus_enabled(False)
assert container.focus_target is None
def test_link_focus_no_loopback():
focusables = [FocusButton() for _ in range(10)]
link_focus(focusables)
for i, widget in enumerate(focusables):
if i > 0:
assert widget.focus_previous is focusables[i - 1]
if i < len(focusables) - 1:
assert widget.focus_next is focusables[i + 1]
assert focusables[0].focus_previous is None
assert focusables[-1].focus_next is None
def test_focus_override():
container = FocusBoxLayout()
a, b, c = [FocusButton() for _ in range(3)]
for btn in (a, b, c):
container.add_widget(btn)
assert a.focus
assert container.focus_target is a
c.focus = True
assert c.focus
assert container.focus_target is c
def test_add_tree_focus():
outer = FocusBoxLayout()
inner = FocusBoxLayout()
outer.add_widget(Label())
outer.add_widget(Label())
assert outer.focus_target is None
c = FocusButton()
inner.add_widget(c)
outer.add_widget(inner)
assert c.focus
assert outer.focus_target is c
def test_link_one_loopback():
btn = FocusButton()
focusables = [btn]
link_focus(focusables, loopback=True)
assert btn.focus_previous is None
assert btn.focus_next is None
def test_link_one():
btn = FocusButton()
focusables = [btn]
link_focus(focusables)
assert btn.focus_previous is None
assert btn.focus_next is None
def test_link_focus_loopback():
focusables = [FocusButton() for _ in range(10)]
link_focus(focusables, loopback=True)
for i, widget in enumerate(focusables):
assert widget.focus_previous is focusables[(i - 1) % len(focusables)]
assert widget.focus_next is focusables[(i + 1) % len(focusables)]