UndoHelper

Needs ubyte[] observableArray; in insertion context to work.

@trusted

mixin template UndoHelper () {

enum maxUndoSeqLength;

enum emptyFrameMarker;

alias PositionType = ubyte;

alias PositionType = ushort;

alias PositionType = uint;

ubyte[size_t] frameUndoMap;

Appender!(ubyte[]) undoStack;

ulong numUndoFrames;

bool hasUncommitedChanges();

void discardFrame();

void commitFrame(ulong frameNumber);

void commitEmptyFrame();

void addEmptyUndoFrame();

void discardUndoStack();

void undoFrames(ulong numFrames);

size_t undoStackSize();

}

Members

Aliases

PositionType alias PositionType = ubyte: Undocumented in source.
PositionType alias PositionType = ushort: Undocumented in source.
PositionType alias PositionType = uint: Undocumented in source.

Functions

addEmptyUndoFrame void addEmptyUndoFrame(): Undocumented in source. Be warned that the author may not have intended to support it.
commitEmptyFrame void commitEmptyFrame(): Undocumented in source. Be warned that the author may not have intended to support it.
commitFrame void commitFrame(ulong frameNumber): Undocumented in source. Be warned that the author may not have intended to support it.
discardFrame void discardFrame(): Undocumented in source. Be warned that the author may not have intended to support it.
discardUndoStack void discardUndoStack(): Undocumented in source. Be warned that the author may not have intended to support it.
hasUncommitedChanges bool hasUncommitedChanges(): Undocumented in source. Be warned that the author may not have intended to support it.
undoFrames void undoFrames(ulong numFrames): Undocumented in source. Be warned that the author may not have intended to support it.
undoStackSize size_t undoStackSize(): Undocumented in source. Be warned that the author may not have intended to support it.

Manifest constants

emptyFrameMarker enum emptyFrameMarker;: Undocumented in source.
maxUndoSeqLength enum maxUndoSeqLength;: Undocumented in source.

Variables

frameUndoMap ubyte[size_t] frameUndoMap;: Undocumented in source.
numUndoFrames ulong numUndoFrames;: Undocumented in source.
undoStack Appender!(ubyte[]) undoStack;: Undocumented in source.

Meta

Source

See Implementation

emulator utils undoproxy mixin templates

UndoHelper

structs

UndoableStruct