Method split

src/textual/geometry.py:863–900

Split a region into 4 from given x and y offsets (cuts). ``` cut_x ↓ ┌────────┐ ┌───┐ │ │ │ │ │ 0 │ │ 1 │ │ │ │ │ cut_y → └────────┘ └───┘ ┌────────┐ ┌───┐

(self, cut_x: int, cut_y: int)

    @lru_cache(maxsize=1024)
    def split(self, cut_x: int, cut_y: int) -> tuple[Region, Region, Region, Region]:
        """Split a region into 4 from given x and y offsets (cuts).

        ```
                   cut_x ↓
                ┌────────┐ ┌───┐
                │        │ │   │
                │    0   │ │ 1 │
                │        │ │   │
        cut_y → └────────┘ └───┘
                ┌────────┐ ┌───┐
                │    2   │ │ 3 │
                └────────┘ └───┘
        ```

        Args:
            cut_x: Offset from self.x where the cut should be made. If negative, the cut
                is taken from the right edge.
            cut_y: Offset from self.y where the cut should be made. If negative, the cut
                is taken from the lower edge.

        Returns:
            Four new regions which add up to the original (self).
        """

        x, y, width, height = self
        if cut_x < 0:
            cut_x = width + cut_x
        if cut_y < 0:
            cut_y = height + cut_y

        _Region = Region
        return (
            _Region(x, y, cut_x, cut_y),
            _Region(x + cut_x, y, width - cut_x, cut_y),
            _Region(x, y + cut_y, cut_x, height - cut_y),
            _Region(x + cut_x, y + cut_y, width - cut_x, height - cut_y),
        )

    @lru_cache(maxsize=1024)
    def split_vertical(self, cut: int) -> tuple[Region, Region]: