mirror of
https://github.com/Textualize/textual.git
synced 2025-10-17 02:38:12 +03:00
72 lines
1.8 KiB
Python
72 lines
1.8 KiB
Python
from textual.app import App
|
|
from textual.screen import Screen
|
|
from textual.widget import Widget
|
|
|
|
|
|
class Focusable(Widget, can_focus=True):
|
|
pass
|
|
|
|
|
|
class NonFocusable(Widget, can_focus=False):
|
|
pass
|
|
|
|
|
|
async def test_focus_chain():
|
|
|
|
app = App()
|
|
app.push_screen(Screen())
|
|
|
|
# Check empty focus chain
|
|
assert not app.focus_chain
|
|
|
|
app.screen.add_children(
|
|
Focusable(id="foo"),
|
|
NonFocusable(id="bar"),
|
|
Focusable(Focusable(id="Paul"), id="container1"),
|
|
NonFocusable(Focusable(id="Jessica"), id="container2"),
|
|
Focusable(id="baz"),
|
|
)
|
|
|
|
focused = [widget.id for widget in app.focus_chain]
|
|
assert focused == ["foo", "Paul", "baz"]
|
|
|
|
|
|
async def test_show_focus():
|
|
app = App()
|
|
app.push_screen(Screen())
|
|
app.screen.add_children(
|
|
Focusable(id="foo"),
|
|
NonFocusable(id="bar"),
|
|
Focusable(Focusable(id="Paul"), id="container1"),
|
|
NonFocusable(Focusable(id="Jessica"), id="container2"),
|
|
Focusable(id="baz"),
|
|
)
|
|
|
|
focused = [widget.id for widget in app.focus_chain]
|
|
assert focused == ["foo", "Paul", "baz"]
|
|
|
|
assert app.focused is None
|
|
assert not app.has_class("-show-focus")
|
|
app.show_focus()
|
|
assert app.has_class("-show-focus")
|
|
|
|
|
|
async def test_focus_next_and_previous():
|
|
|
|
app = App()
|
|
app.push_screen(Screen())
|
|
app.screen.add_children(
|
|
Focusable(id="foo"),
|
|
NonFocusable(id="bar"),
|
|
Focusable(Focusable(id="Paul"), id="container1"),
|
|
NonFocusable(Focusable(id="Jessica"), id="container2"),
|
|
Focusable(id="baz"),
|
|
)
|
|
|
|
assert app.focus_next().id == "foo"
|
|
assert app.focus_next().id == "Paul"
|
|
assert app.focus_next().id == "baz"
|
|
|
|
assert app.focus_previous().id == "Paul"
|
|
assert app.focus_previous().id == "foo"
|