Struct TextArea 

pub struct TextArea { /* private fields */ }

A multi-line text editor widget

Example

use revue::prelude::*;

let mut editor = TextArea::new()
    .content("Hello, World!\nLine 2")
    .line_numbers(true)
    .wrap(true);

// Handle key events
editor.handle_key(&Key::Char('a'));

Implementations

impl TextArea

pub fn new() -> Self

Create a new empty text area

pub fn content(self, text: impl Into<String>) -> Self

Set initial content

pub fn line_numbers(self, show: bool) -> Self

Enable or disable line numbers

pub fn wrap(self, wrap: bool) -> Self

Enable or disable word wrap

pub fn read_only(self, read_only: bool) -> Self

Set read-only mode

pub fn focused(self, focused: bool) -> Self

Set focused state

pub fn tab_width(self, width: usize) -> Self

Set tab width

pub fn placeholder(self, text: impl Into<String>) -> Self

Set placeholder text

pub fn max_lines(self, max: usize) -> Self

Set maximum number of lines

pub fn fg(self, color: Color) -> Self

Set text color

pub fn bg(self, color: Color) -> Self

Set background color

pub fn cursor_fg(self, color: Color) -> Self

Set cursor color

pub fn selection_bg(self, color: Color) -> Self

Set selection background color

pub fn syntax(self, language: Language) -> Self

Enable syntax highlighting for a language

pub fn syntax_with_theme(self, language: Language, theme: SyntaxTheme) -> Self

Enable syntax highlighting with a custom theme

pub fn set_language(&mut self, language: Language)

Set the syntax highlighting language (mutable)

pub fn get_syntax_language(&self) -> Language

Get the current highlighting language

pub fn get_content(&self) -> String

Get the current text content

pub fn set_content(&mut self, text: &str)

Set the text content

pub fn line_count(&self) -> usize

Get the number of lines

pub fn cursor_position(&self) -> (usize, usize)

Get the cursor position (primary cursor for backward compatibility)

pub fn cursor_positions(&self) -> Vec<(usize, usize)>

Get all cursor positions

pub fn cursor_count(&self) -> usize

Get the number of cursors

pub fn set_cursor(&mut self, line: usize, col: usize)

Set the cursor position (primary cursor, clears secondary cursors)

pub fn get_selection(&self) -> Option<String>

Get selected text (from primary cursor)

pub fn delete_selection(&mut self)

Delete selected text (from primary cursor)

pub fn has_selection(&self) -> bool

Check if primary cursor has a selection

pub fn start_selection(&mut self)

Start selection at current cursor (primary)

pub fn clear_selection(&mut self)

Clear selection (all cursors)

pub fn undo(&mut self)

Undo the last operation

pub fn redo(&mut self)

Redo the last undone operation

pub fn insert_char(&mut self, ch: char)

Insert a character at cursor

pub fn insert_str(&mut self, s: &str)

Insert a string at cursor

pub fn delete_char_before(&mut self)

Delete character before cursor (backspace)

pub fn delete_char_at(&mut self)

Delete character at cursor (delete key)

pub fn delete_line(&mut self)

Delete the current line

pub fn duplicate_line(&mut self)

Duplicate the current line

pub fn move_left(&mut self)

Move cursor left

pub fn move_right(&mut self)

Move cursor right

pub fn move_up(&mut self)

Move cursor up

pub fn move_down(&mut self)

Move cursor down

pub fn move_home(&mut self)

Move to start of line

pub fn move_end(&mut self)

Move to end of line

pub fn move_document_start(&mut self)

Move to start of document

pub fn move_document_end(&mut self)

Move to end of document

pub fn move_word_left(&mut self)

Move cursor by word to the left

pub fn move_word_right(&mut self)

Move cursor by word to the right

pub fn page_up(&mut self, page_size: usize)

Page up

pub fn page_down(&mut self, page_size: usize)

Page down

pub fn select_all(&mut self)

Select all text

pub fn open_find(&mut self)

Open find panel (Ctrl+F)

pub fn open_replace(&mut self)

Open replace panel (Ctrl+H)

pub fn close_find(&mut self)

Close find/replace panel

pub fn is_find_open(&self) -> bool

Check if find panel is open

pub fn find_state(&self) -> Option<&FindReplaceState>

Get find/replace state

pub fn set_find_query(&mut self, query: &str)

Set find query and refresh matches

pub fn set_replace_text(&mut self, text: &str)

Set replacement text

pub fn find_next(&mut self)

Find next match (F3)

pub fn find_previous(&mut self)

Find previous match (Shift+F3)

pub fn replace_current(&mut self)

Replace current match

pub fn replace_all(&mut self)

Replace all matches (Ctrl+Shift+H)

pub fn toggle_case_sensitive(&mut self)

Toggle case sensitivity

pub fn toggle_whole_word(&mut self)

Toggle whole word matching

pub fn toggle_regex(&mut self)

Toggle regex mode

pub fn add_cursor_at(&mut self, line: usize, col: usize)

Add cursor at position (Alt+Click)

pub fn add_cursor_above(&mut self)

Add cursor above current (Ctrl+Alt+Up)

pub fn add_cursor_below(&mut self)

Add cursor below current (Ctrl+Alt+Down)

pub fn clear_secondary_cursors(&mut self)

Clear all secondary cursors (Escape)

pub fn select_next_occurrence(&mut self)

Select next occurrence of current word/selection (Ctrl+D)

pub fn handle_key(&mut self, key: &Key) -> bool

Handle key event

impl TextArea

pub fn element_id(self, id: impl Into<String>) -> Self

Set element ID for CSS selector (#id)

pub fn class(self, class: impl Into<String>) -> Self

Add a CSS class

pub fn classes<I, S>(self, classes: I) -> Self

where I: IntoIterator<Item = S>, S: Into<String>,

Add multiple CSS classes

Trait Implementations

impl Default for TextArea

fn default() -> Self

Returns the “default value” for a type.

impl StyledView for TextArea

fn set_id(&mut self, id: impl Into<String>)

Set element ID

fn add_class(&mut self, class: impl Into<String>)

Add a CSS class

fn remove_class(&mut self, class: &str)

Remove a CSS class

fn toggle_class(&mut self, class: &str)

Toggle a CSS class

fn has_class(&self, class: &str) -> bool

Check if has class

impl View for TextArea

fn id(&self) -> Option<&str>

Get element ID (for CSS #id selectors)

fn classes(&self) -> &[String]

Get CSS classes (for CSS .class selectors)

fn meta(&self) -> WidgetMeta

Get widget metadata for DOM

fn render(&self, ctx: &mut RenderContext<'_>)

Render the view

fn widget_type(&self) -> &'static str

Get widget type name (for CSS type selectors)

fn children(&self) -> &[Box<dyn View>]

Get child views (for container widgets)