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

   1 #ifndef __UNDOABLE_H__
   2 #define __UNDOABLE_H__
   3
   4 #include "rs.h"
   5 #include "flags.h"
   6
   7 class RS_UndoCycle;
   8
   9 /**
  10  * Base class for something that can be added and deleted and every
  11  * addition and deletion can be undone.
  12  *
  13  * @see RS_Undo
  14  * @author Andrew Mustun
  15  */
  16 class RS_Undoable: public RS_Flags
  17 {
  18         public:
  19                 RS_Undoable();
  20                 virtual ~RS_Undoable();
  21
  22                 virtual RS2::UndoableType undoRtti();
  23                 virtual void setUndoCycle(RS_UndoCycle * cycle);
  24                 virtual void changeUndoState();
  25                 virtual void setUndoState(bool undone);
  26                 virtual bool isUndone() const;
  27                 virtual void undoStateChanged(bool /*undone*/);
  28                 //friend std::ostream& operator << (std::ostream& os, RS_Undoable& a);
  29
  30         private:
  31                 RS_UndoCycle * cycle;
  32 };
  33
  34 #endif