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

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