Struct Grid 

pub struct Grid { /* private fields */ }

Terminal grid with scrollback buffer

Uses VecDeque to efficiently manage scrollback history. The visible rows are at the end of the deque, with scrollback history at the front.

Implementations

impl Grid

pub fn new(size: Size, scrollback_len: usize) -> Self

Create a new grid

pub fn size(&self) -> Size

Get the grid size

pub fn pos(&self) -> Pos

Get cursor position

pub fn set_pos(&mut self, pos: Pos)

Set cursor position

pub fn set_col(&mut self, col: u16)

Move cursor to column

pub fn set_row(&mut self, row: u16)

Move cursor to row

pub fn save_pos(&mut self)

Save cursor position

pub fn restore_pos(&mut self)

Restore cursor position

pub fn scrollback(&self) -> usize

Get current scrollback offset

pub fn set_scrollback(&mut self, offset: usize)

Set scrollback offset

pub fn scrollback_available(&self) -> usize

Get available scrollback lines

pub fn set_scroll_region(&mut self, top: u16, bottom: u16)

Set scroll region

pub fn reset_scroll_region(&mut self)

Reset scroll region to full screen

pub fn visible_row(&self, row: u16) -> Option<&Row>

Get a visible row (accounting for scrollback offset)

pub fn drawing_row(&self, row: u16) -> Option<&Row>

Get a drawing row (for writing, ignores scrollback offset)

pub fn drawing_row_mut(&mut self, row: u16) -> Option<&mut Row>

Get a mutable drawing row

pub fn current_row(&self) -> Option<&Row>

Get current row (at cursor position)

pub fn current_row_mut(&mut self) -> Option<&mut Row>

Get mutable current row

pub fn scroll_up(&mut self, count: usize)

Scroll up within scroll region

pub fn scroll_down(&mut self, count: usize)

Scroll down within scroll region

pub fn clear(&mut self)

Clear all rows

pub fn clear_below(&mut self)

Clear from cursor to end of screen

pub fn clear_above(&mut self)

Clear from start of screen to cursor

pub fn resize(&mut self, new_size: Size)

Resize the grid

pub fn get_selected_text( &self, low_x: i32, low_y: i32, high_x: i32, high_y: i32, ) -> String

Get selected text from coordinates

Handles wrapped lines correctly (no newline for soft-wrapped rows)

pub fn visible_rows(&self) -> impl Iterator<Item = &Row>

Iterate over visible rows

pub fn drawing_rows(&self) -> impl Iterator<Item = &Row>

Iterate over drawing rows (ignoring scrollback offset)

Trait Implementations

impl Clone for Grid

fn clone(&self) -> Grid

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Grid

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

Formats the value using the given formatter.