MAKE

Make/sudoku/command.h

@@ -0,0 +1,32 @@
+#ifndef _SUDOKU_COMMAND_H_
+#define _SUDOKU_COMMAND_H_
+
+#include <memory>
+#include "common.h"
+
+class CScene;
+class CCommand
+{
+public:
+    CCommand(CScene* pOwner);
+    CCommand(CScene *pOwner, const point_t &point, int preValue, int curValue);
+    CCommand(const CCommand &);
+    ~CCommand();
+
+    bool execute(int nInputValue);
+    void undo();
+    point_t getPoint() { return _stPoint; }
+    int getPreValue() { return _nPreValue; }
+    int getCurValue() { return _nCurValue; }
+    void setPoint(const point_t &point) { _stPoint = point; }
+    void setPreValue(int preValue) { _nPreValue = preValue; }
+    void setCurValue(int curValue) { _nCurValue = curValue; }
+
+private:
+    CScene* _pOwner;
+    point_t _stPoint;
+    int _nPreValue;
+    int _nCurValue;  // actually the member is never used
+};
+
+#endif