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Add DataTable.move_cursor (#2479)

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* Add 'DataTable.move_cursor'.

Related issues: #2472.

* Fix #2471.

* Simplify cursor changes.

* Address review feedback.

Related comments: https://github.com/Textualize/textual/pull/2479\#discussion_r1185016002
This commit is contained in:
Rodrigo Girão Serrão
2023-05-08 10:44:34 +01:00
committed by GitHub
parent 14850d54a3
commit 819b2f1eb3
3 changed files with 68 additions and 19 deletions
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35
tests/test_data_table.py
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@@ -996,23 +996,34 @@ def test_key_string_lookup():
async def test_scrolling_cursor_into_view():
"""Regression test for https://github.com/Textualize/textual/issues/2459"""
class TableApp(App):
class ScrollingApp(DataTableApp):
CSS = "DataTable { height: 100%; }"
def compose(self):
yield DataTable()
def on_mount(self) -> None:
table = self.query_one(DataTable)
table.add_column("n")
table.add_rows([(n,) for n in range(300)])
def key_c(self):
self.query_one(DataTable).cursor_coordinate = Coordinate(200, 0)
app = TableApp()
app = ScrollingApp()
async with app.run_test() as pilot:
table = app.query_one(DataTable)
table.add_column("n")
table.add_rows([(n,) for n in range(300)])
await pilot.press("c")
await pilot.pause()
assert app.query_one(DataTable).scroll_y > 100
assert table.scroll_y > 100
async def test_move_cursor():
app = DataTableApp()
async with app.run_test():
table = app.query_one(DataTable)
table.add_columns(*"These are some columns in your nice table".split())
table.add_rows(["These are some columns in your nice table".split()] * 10)
table.move_cursor(row=4, column=6)
assert table.cursor_coordinate == Coordinate(4, 6)
table.move_cursor(row=3)
assert table.cursor_coordinate == Coordinate(3, 6)
table.move_cursor(column=3)
assert table.cursor_coordinate == Coordinate(3, 3)