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from textual.app import App, ComposeResult
from textual.widgets import Label, ListItem, ListView
class ListViewDisabledItemsApp(App[None]):
def compose(self) -> ComposeResult:
self.highlighted = []
yield ListView(
ListItem(Label("0"), disabled=True),
ListItem(Label("1")),
ListItem(Label("2"), disabled=True),
ListItem(Label("3"), disabled=True),
ListItem(Label("4")),
ListItem(Label("5")),
ListItem(Label("6"), disabled=True),
ListItem(Label("7")),
ListItem(Label("8"), disabled=True),
)
def _on_list_view_highlighted(self, message: ListView.Highlighted) -> None:
if message.item is None:
self.highlighted.append(None)
else:
self.highlighted.append(str(message.item.children[0].renderable))
async def test_keyboard_navigation_with_disabled_items() -> None:
"""Regression test for https://github.com/Textualize/textual/issues/3881."""
app = ListViewDisabledItemsApp()
async with app.run_test() as pilot:
for _ in range(5):
await pilot.press("down")
for _ in range(5):
await pilot.press("up")
assert app.highlighted == [
"1",
"4",
"5",
"7",
"5",
"4",
"1",
]
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