Grid-size

The grid-size style sets the number of columns and rows in a grid layout.

The number of rows can be left unspecified and it will be computed automatically.

!!! note

This style only affects widgets with `layout: grid`.

Syntax

--8<-- "docs/snippets/syntax_block_start.md" grid-size: <integer> [<integer>]; --8<-- "docs/snippets/syntax_block_end.md"

The style grid-size takes one or two non-negative <integer>. The first defines how many columns there are in the grid. If present, the second one sets the number of rows – regardless of the number of children of the grid –, otherwise the number of rows is computed automatically.

Examples

Columns and rows

In the first example, we create a grid with 2 columns and 5 rows, regardless of the fact that we do not have enough labels to fill in the whole grid:

=== "Output"

```{.textual path="docs/examples/styles/grid_size_both.py"}
```

=== "grid_size_both.py"

```py
--8<-- "docs/examples/styles/grid_size_both.py"
```

=== "grid_size_both.css"

```sass hl_lines="2"
--8<-- "docs/examples/styles/grid_size_both.css"
```

1. Create a grid with 2 columns and 4 rows.

Columns only

In the second example, we create a grid with 2 columns and however many rows are needed to display all of the grid children:

=== "Output"

```{.textual path="docs/examples/styles/grid_size_columns.py"}
```

=== "grid_size_columns.py"

```py
--8<-- "docs/examples/styles/grid_size_columns.py"
```

=== "grid_size_columns.css"

```sass
--8<-- "docs/examples/styles/grid_size_columns.css"
```

1. Create a grid with 2 columns and however many rows.

CSS

/* Grid with 3 rows and 5 columns */
grid-size: 3 5;

/* Grid with 4 columns and as many rows as needed */
grid-size: 4;

Python

To programmatically change the grid size, the number of rows and columns must be specified separately:

widget.styles.grid_size_rows = 3
widget.styles.grid_size_columns = 6

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