zng::undo

Trait CommandUndoExt

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pub trait CommandUndoExt {
    // Required methods
    fn undo_scoped(self) -> Box<dyn VarBoxed<Command>>;
    fn undo_stack(self) -> UndoStackInfo;
    fn redo_stack(self) -> UndoStackInfo;
}
Expand description

Undo extension methods for commands.

Required Methods§

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fn undo_scoped(self) -> Box<dyn VarBoxed<Command>>

Gets the command scoped in the undo scope widget that is or contains the focused widget, or scoped on the app if there is no focused undo scope.

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fn undo_stack(self) -> UndoStackInfo

Latest undo stack for the given scope, same as calling UNDO::undo_stack inside the scope.

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fn redo_stack(self) -> UndoStackInfo

Latest undo stack for the given scope, same as calling UNDO::redo_stack inside the scope.

Implementors§