Struct TextGrid 

pub struct TextGrid { /* private fields */ }

Simple text grid for TUI testing (replaces presentar-terminal CellBuffer).

Stores characters in a flat vector with row-major ordering. Designed for testing terminal output without the complexity of full terminal cell attributes.

Implementations

impl TextGrid

pub fn new(width: u16, height: u16) -> Self

Create a new text grid filled with spaces.

pub fn width(&self) -> u16

Get the width of the grid.

pub fn height(&self) -> u16

Get the height of the grid.

pub fn len(&self) -> usize

Get the total number of cells.

pub fn is_empty(&self) -> bool

Check if the grid is empty.

pub fn get(&self, x: u16, y: u16) -> Option<char>

Get the character at (x, y).

pub fn set(&mut self, x: u16, y: u16, ch: char)

Set the character at (x, y).

pub fn clear(&mut self)

Clear the grid (fill with spaces).

pub fn reset(&mut self)

Alias for clear() to match presentar-terminal CellBuffer API.

pub fn resize(&mut self, width: u16, height: u16)

Resize the grid. Content is cleared.

pub fn write_str(&mut self, x: u16, y: u16, s: &str)

Write a string starting at (x, y). Characters that would exceed the grid width are truncated.

pub fn to_lines(&self) -> Vec<String>

Convert the grid to a vector of string lines. Trailing spaces on each line are trimmed.

pub fn cells(&self) -> &[char]

Get a reference to the underlying cells.

pub fn cells_mut(&mut self) -> &mut [char]

Get a mutable reference to the underlying cells.

pub fn fill_rect(&mut self, x: u16, y: u16, width: u16, height: u16, ch: char)

Fill a rectangular region with a character.

Trait Implementations

impl Clone for TextGrid

fn clone(&self) -> TextGrid

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TextGrid

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TextGrid

fn default() -> Self

Returns the “default value” for a type.