undo-history.h

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#ifndef RTOSC_UNDO_H
#define RTOSC_UNDO_H
#include <functional>
 
namespace rtosc
{
class UndoHistory
{
    //TODO think about the consequences of largish loads
    public:
        UndoHistory(void);
        ~UndoHistory(void);
 
        //Records any undoable event
        void recordEvent(const char *msg);
 
        //Prints out a history
        void showHistory(void) const;
 
        //Seek to another point in history relative to the current one
        //Negative values mean undo, positive values mean redo
        void seekHistory(int distance);
 
        unsigned getPos(void) const;
        const char *getHistory(int i) const;
        size_t size(void) const;
 
        void setCallback(std::function<void(const char*)> cb);
    private:
        class UndoHistoryImpl *impl;
};
};
#endif