Struct Screen 

pub struct Screen {
    pub lines: VecDeque<Vec<ScreenCell>>,
    pub cursor_position: (usize, usize),
    pub columns: usize,
    pub cursor_visible: bool,
    pub max_lines: usize,
    /* private fields */
}

Represents the current state of a terminal screen

Fields

lines: VecDeque<Vec<ScreenCell>>

Lines of characters with attributes

cursor_position: (usize, usize)

Current cursor position (row, column)

columns: usize

Number of columns in the screen

cursor_visible: bool

Whether the cursor should be visible

max_lines: usize

Maximum number of lines to keep

Implementations

impl Screen

pub fn new(columns: usize) -> Self

Creates a new screen with specified dimensions

pub fn new_with_max_lines(columns: usize, max_lines: usize) -> Self

Creates a new screen with specified dimensions and maximum lines

pub fn cursor_row(&self) -> usize

Get the current cursor row

pub fn cursor_col(&self) -> usize

Get the current cursor column

pub fn put_char(&mut self, c: char, attributes: ScreenCellAttributes)

Put a character at the current cursor position and advance the cursor

pub fn put_char_basic( &mut self, c: char, style: CellStyle, fg_color: Option<TerminalColor>, bg_color: Option<TerminalColor>, )

Put a character at the current cursor position with basic attributes

pub fn move_cursor(&mut self, row: usize, col: usize)

Move the cursor to a specific position

pub fn linefeed(&mut self)

Add a new line at the cursor position

pub fn carriage_return(&mut self)

Return the cursor to the first column

pub fn clear(&mut self)

Clear the screen

pub fn clear_line_forward(&mut self)

Clear from the cursor to the end of the line

pub fn clear_line(&mut self)

Clear the current line

pub fn scroll_up(&mut self)

Scroll the screen up by one line

pub fn smart_truncate(&mut self, max_size: usize)

Smart truncate the screen buffer to keep it within reasonable limits

pub fn to_plain_text(&self) -> String

Get the screen as plain text

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

Get the screen as a vector of strings, with each string representing a line

pub fn last_modified(&self) -> Instant

Returns the last time the screen was modified

pub fn time_since_last_modified(&self) -> f64

Time since last modification in seconds

Trait Implementations

impl Clone for Screen

fn clone(&self) -> Screen

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Screen

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

Formats the value using the given formatter.

impl Default for Screen

fn default() -> Self

Returns the “default value” for a type.