Struct SceneUndoManager 

pub struct SceneUndoManager {
    pub max_history: usize,
    /* private fields */
}

Manages undo/redo for scene-level edits using full-snapshot approach.

Fields

max_history: usize

Implementations

impl SceneUndoManager

pub fn new(max_history: usize) -> Self

pub fn checkpoint(&mut self, scene: &Scene)

pub fn undo(&mut self) -> Option<Scene>

pub fn redo(&mut self) -> Option<Scene>

pub fn can_undo(&self) -> bool

pub fn can_redo(&self) -> bool

pub fn history_len(&self) -> usize