Struct text_editing::TextLine

pub struct TextLine { /* private fields */ }

The text line represents editable text lines.

Implementations

impl TextLine

pub fn cursor_movement(
    forward: bool,
    skip: bool
) -> fn(_: &TextLine, _: &mut usize) -> bool

Returns the appropriate movement function based on parameters forward and skip.

pub fn forward(&self, text_cursor: &mut usize) -> bool

Moves the text cursor forward by one.

pub fn back(&self, text_cursor: &mut usize) -> bool

Moves the text cursor back by one.

pub fn skip_forward(&self, text_cursor: &mut usize) -> bool

Moves the text cursor forward until the end of the current word.

pub fn skip_back(&self, text_cursor: &mut usize) -> bool

Moves the text cursor back until the start of the current word.

impl TextLine

pub fn add_char(&mut self, text_cursor: &mut usize, c: char)

Adds a char and updates the text cursor.

pub fn remove_forward(&mut self, text_cursor: usize) -> bool

Removes the next char if it exists.

pub fn remove_forward_skip(&mut self, text_cursor: usize) -> bool

Removes the previous word if it exists.

pub fn remove_back(&mut self, text_cursor: &mut usize) -> bool

Removes the previous char if it exists and updates the text cursor.

pub fn remove_back_skip(&mut self, text_cursor: &mut usize) -> bool

Removes the previous word if it exists and updates the text cursor.

impl TextLine

pub fn new() -> Self

Creates a new empty text line.

pub fn from_string(text: String) -> Self

Creates a text line from a String.

pub fn from_str(text: &str) -> Self

Creates a text line from a str reference.

pub fn is_empty(&self) -> bool

Checks if the line is empty.

pub fn len(&self) -> usize

Returns the length of the text line.

pub fn to_string(&self) -> String

Returns the text of the text line as String.

pub fn as_str(&self) -> &str

Returns the text of the text line as a str reference.

pub fn string_index(&self, index: usize) -> usize

Converts the character index to the string index.

pub fn char_at(&self, at: usize) -> char

Returns the char at the specified position.

pub fn insert(&mut self, index: usize, c: char)

Inserts a new char into text line.

pub fn remove(&mut self, index: usize) -> char

Removes a char from text line.

pub fn remove_range(&mut self, range: Range<usize>)

Removes the specified range from the text line.

pub fn split(&mut self, index: usize) -> Self

Splits a text line into two.

pub fn join(&mut self, other: Self)

Joins two text lines into one.

Trait Implementations

impl Clone for TextLine

fn clone(&self) -> TextLine

Returns a copy of the value.

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

Performs copy-assignment from source.