Shamusworld >> Repos - architektonas/blob - src/base/undocycle.h

   1 #ifndef __UNDOLISTITEM_H__
   2 #define __UNDOLISTITEM_H__
   3
   4 #include <iostream>
   5 #include <QtCore>
   6
   7 class RS_Undoable;
   8
   9 /**
  10  * An Undo Cycle represents an action that was triggered and can
  11  * be undone. It stores all the pointers to the Undoables affected by
  12  * the action. Undoables are entities in a container that can be
  13  * created and deleted.
  14  *
  15  * Undo Cycles are stored within classes derrived from RS_Undo.
  16  *
  17  * @see RS_Undoable
  18  * @see RS_Undo
  19  *
  20  * @author Andrew Mustun
  21  */
  22 class RS_UndoCycle
  23 {
  24         friend class RS_Undo;
  25
  26         public:
  27                 RS_UndoCycle(/*RS2::UndoType type*/);
  28                 void addUndoable(RS_Undoable * u);
  29                 void removeUndoable(RS_Undoable * u);
  30                 RS_Undoable * getFirstUndoable();
  31                 RS_Undoable * getNextUndoable();
  32                 friend std::ostream & operator<<(std::ostream & os, RS_UndoCycle & i);
  33
  34         private:
  35                 //! Undo type:
  36                 //RS2::UndoType type;
  37                 //! List of entity id's that were affected by this action
  38 //              Q3PtrList<RS_Undoable> undoables;
  39                 QList<RS_Undoable *> undoables;
  40                 QListIterator<RS_Undoable *> undoableIterator;
  41 };
  42
  43 #endif