Struct CodeUndo 

pub struct CodeUndo {
    pub stack: Vec<CodeUndoAtom>,
    pub index: isize,
}

Undo stack for code editor

Fields

stack: Vec<CodeUndoAtom>

index: isize

Implementations

impl CodeUndo

pub fn new() -> Self

pub fn is_empty(&self) -> bool

pub fn clear(&mut self)

pub fn has_undo(&self) -> bool

pub fn has_redo(&self) -> bool

pub fn has_changes(&self) -> bool

pub fn add(&mut self, atom: CodeUndoAtom)

pub fn undo(&mut self, edit: &mut dyn TheTextAreaEditTrait)

pub fn redo(&mut self, edit: &mut dyn TheTextAreaEditTrait)

pub fn truncate_to_limit(&mut self, limit: usize)

Trait Implementations

impl Clone for CodeUndo

fn clone(&self) -> CodeUndo

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for CodeUndo

fn default() -> Self

Returns the “default value” for a type.