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Add a central method for getting a cell

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Also settle focus on the middle cell at the start of a game -- this is the
start of adding keyboard navigation.
This commit is contained in:
Dave Pearson
2022-10-19 20:50:19 +01:00
parent eb11984442
commit 851a759e67
1 changed files with 14 additions and 4 deletions
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18
examples/five_by_five.py
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@@ -155,15 +155,25 @@ class Game(Screen):
for cell in self.query(GameCell):
cell.disabled = not playable
def cell(self, row: int, col: int) -> GameCell:
"""Get the cell at a given location.
:param int row: The row of the cell to get.
:param int col: The column of the cell to get.
:returns: The cell at that location.
:rtype: GameCell
"""
return self.query_one(f"#{GameCell.at(row,col)}", GameCell)
def new_game(self) -> None:
"""Start a new game."""
self.query_one(GameHeader).moves = 0
self.on_cells.remove_class("on")
self.query_one(WinnerMessage).hide()
middle = self.cell(self.SIZE // 2, self.SIZE // 2)
self.toggle_cells(middle)
self.set_focus(middle)
self.game_playable(True)
self.toggle_cells(
self.query_one(f"#{GameCell.at(self.SIZE // 2,self.SIZE // 2 )}", GameCell)
)
def compose(self) -> ComposeResult:
"""Compose the application screen."""
@@ -183,7 +193,7 @@ class Game(Screen):
it with an invalid cell coordinate.
"""
if 0 <= row <= (self.SIZE - 1) and 0 <= col <= (self.SIZE - 1):
self.query_one(f"#{GameCell.at(row, col)}", GameCell).toggle_class("on")
self.cell(row, col).toggle_class("on")
_PATTERN: Final = (-1, 1, 0, 0, 0)