Defines an interactable undo history.

Summary

Public functions
Unit

Clears all undo and redo history up to this point.
Cmn
Unit

Re-applies a change that was previously reverted via undo.
Cmn
Unit

Reverts the latest edit action or a group of actions that are merged together.
Cmn

Public properties
Boolean

Whether it is possible to execute a meaningful redo action right now.
Cmn
Boolean

Whether it is possible to execute a meaningful undo action right now.
Cmn

Public functions

clearHistory

Cmn
Added in 1.7.0
fun clearHistory(): Unit

Clears all undo and redo history up to this point.

redo

Cmn
Added in 1.7.0
fun redo(): Unit

Re-applies a change that was previously reverted via undo.

undo

Cmn
Added in 1.7.0
fun undo(): Unit

Reverts the latest edit action or a group of actions that are merged together. Calling it repeatedly can continue undoing the previous actions.

Public properties

canRedo

Cmn
Added in 1.7.0
val canRedo: Boolean

Whether it is possible to execute a meaningful redo action right now. If this value is false, calling redo would be a no-op.

canUndo

Cmn
Added in 1.7.0
val canUndo: Boolean

Whether it is possible to execute a meaningful undo action right now. If this value is false, calling undo would be a no-op.