arrowcontrol.h

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#ifndef SEMF_COMMUNICATION_ESH_ARROWCONTROL_H_
#define SEMF_COMMUNICATION_ESH_ARROWCONTROL_H_
 
#include <semf/communication/esh/printer.h>
#include <semf/utils/core/signals/signal.h>
#include <semf/utils/core/signals/slot.h>
 
namespace semf::esh
{
class ArrowControl
{
public:
    enum class ErrorCode : uint8_t
    {
        Start_IsBusy = 0,
        OnSecondChar_UnexpectedChar,
        OnThirdChar_UnexpectedChar,
    };
    ArrowControl(Printer& printer, const int& count, bool echo);
    ArrowControl(const ArrowControl& other) = delete;
    virtual ~ArrowControl() = default;
    void start();
    SEMF_SIGNAL(up);
    SEMF_SIGNAL(down);
    SEMF_SIGNAL(error, Error);
 
private:
    void onSecondChar(char c);
    void onThirdChar(char c);
    void onCleared();
 
    Printer& m_printer;
    const int& m_count;
    const bool m_echo;
    bool m_busy;
    char m_c;
    SEMF_SLOT(m_onSecondCharSlot, ArrowControl, *this, onSecondChar, char);
    SEMF_SLOT(m_onThirdCharSlot, ArrowControl, *this, onThirdChar, char);
    SEMF_SLOT(m_onCleared, ArrowControl, *this, onCleared);
    static constexpr Error::ClassID kSemfClassId = Error::ClassID::ArrowControl;
};
 
}  // namespace semf::esh
#endif  // SEMF_COMMUNICATION_ESH_ARROWCONTROL_H_