Struct TextareaState 

pub struct TextareaState {
    pub lines: Vec<String>,
    pub cursor_row: usize,
    pub cursor_col: usize,
}

State for a multi-line text area widget.

Pass a mutable reference to Context::textarea each frame along with the number of visible rows. The widget handles all keyboard events when focused.

Fields

lines: Vec<String>

The lines of text, one entry per line.

cursor_row: usize

Row index of the cursor (0-based).

cursor_col: usize

Column index of the cursor within the current row (character index).

Implementations

impl TextareaState

pub fn new() -> Self

Create an empty text area state with one blank line.

pub fn value(&self) -> String

Return all lines joined with newline characters.

pub fn set_value(&mut self, text: impl Into<String>)

Replace the content with the given text, splitting on newlines.

Resets the cursor to the beginning of the first line.

Trait Implementations

impl Default for TextareaState

fn default() -> Self

Returns the “default value” for a type.