UndoableStack

Implements an undoable event list with automatic handling of undo/redo commands

public

class UndoableStack {

alias EventStack = LinkedList!(UndoableEvent);

protected protected

EventStack events;

protected protected

size_t currentPos;

protected protected

size_t currentCap;

protected protected

size_t maxLength;

this(size_t maxElements);

void addToTop(UndoableEvent e);

size_t length();

}

Constructors

this this(size_t maxElements): Undocumented in source.

Members

Aliases

EventStack alias EventStack = LinkedList!(UndoableEvent): Undocumented in source.

Functions

addToTop void addToTop(UndoableEvent e): Adds an event to the top of the stack. If there are any undone events, they'll be lost. Bottom event is always lost.
length size_t length(): Returns the length of the current stack
redo void redo(): Redos top event.
undo void undo(): Undos top event.

Variables

currentCap size_t currentCap;: Undocumented in source.
currentPos size_t currentPos;: Undocumented in source.
events EventStack events;
maxLength size_t maxLength;: Undocumented in source.

Meta

Source

See Implementation

pixelperfectengine concrete eventchainsystem classes

UndoableStack

interfaces

UndoableEvent