#include?“commands.h“
#include?
MoveShapeCommand::MoveShapeCommand（QGraphicsScene?*graphicsScene?const?QPointF?&delta?QUndoCommand?*parent）
????:?QUndoCommand（parent）
{
????myItem?=?0;
????myItems?=?graphicsScene->selectedItems（）;
????myGraphicsScene?=?graphicsScene;
????myDelta?=?delta;
????bMoved?=?true;
}

MoveShapeCommand::MoveShapeCommand（QGraphicsItem?*?item?const?QPointF?&delta?QUndoCommand?*parent）
????:?QUndoCommand（parent）
{
????myGraphicsScene?=?0;
????myItem?=?item;
????myDelta?=?delta;
????bMoved?=?true;
}

//!?[2]
void?MoveShapeCommand::undo（）
{
????if?（?myItem?）
????????myItem->moveBy（-myDelta.x（）-myDelta.y（））;
????else?if（?myItems.count（）?>?0?）{
????????foreach?（QGraphicsItem?*item?myItems）?{
???????????item->moveBy（-myDelta.x（）-myDelta.y（））;
????????}
????}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????.......???????242??2017-01-28?23:05??qdraw-master\.gitignore

????.......???????813??2017-01-28?23:05??qdraw-master\app\app.pro

????.......??????1427??2017-01-28?23:05??qdraw-master\app\app.qrc

????.......?????10349??2017-01-28?23:05??qdraw-master\app\commands.cpp

?????文件???????3645??2018-04-05?13:25??qdraw-master\app\commands.h

????.......?????17161??2017-01-28?23:05??qdraw-master\app\customproperty.cpp

????.......??????3143??2017-01-28?23:05??qdraw-master\app\customproperty.h

????.......????????50??2017-01-28?23:05??qdraw-master\app\document.cpp

????.......???????108??2017-01-28?23:05??qdraw-master\app\document.h

????.......?????41867??2017-01-28?23:05??qdraw-master\app\drawobj.cpp

?????文件??????12355??2018-04-05?13:25??qdraw-master\app\drawobj.h

????.......?????11388??2017-01-28?23:05??qdraw-master\app\drawscene.cpp

????.......??????2313??2017-01-28?23:05??qdraw-master\app\drawscene.h

?????文件??????16877??2018-04-05?22:54??qdraw-master\app\drawtool.cpp

????.......??????2995??2017-01-28?23:05??qdraw-master\app\drawtool.h

????.......??????9292??2017-01-28?23:05??qdraw-master\app\drawview.cpp

????.......??????1338??2017-01-28?23:05??qdraw-master\app\drawview.h

????.......??????2951??2017-01-28?23:05??qdraw-master\app\icons\align_all.png

????.......??????1009??2017-01-28?23:05??qdraw-master\app\icons\align_bottom.png

????.......??????1229??2017-01-28?23:05??qdraw-master\app\icons\align_hcenter.png

????.......??????2256??2017-01-28?23:05??qdraw-master\app\icons\align_height.png

????.......??????1505??2017-01-28?23:05??qdraw-master\app\icons\align_height.svg

????.......???????355??2017-01-28?23:05??qdraw-master\app\icons\align_horzeven.png

????.......??????1192??2017-01-28?23:05??qdraw-master\app\icons\align_left.png

????.......??????1141??2017-01-28?23:05??qdraw-master\app\icons\align_right.png

????.......??????1199??2017-01-28?23:05??qdraw-master\app\icons\align_top.png

????.......??????1223??2017-01-28?23:05??qdraw-master\app\icons\align_vcenter.png

????.......???????344??2017-01-28?23:05??qdraw-master\app\icons\align_verteven.png

????.......??????2001??2017-01-28?23:05??qdraw-master\app\icons\align_width.png

????.......??????1777??2017-01-28?23:05??qdraw-master\app\icons\align_width.svg

............此處省略326個文件信息