Joystick.h

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#ifndef CNOID_UTIL_JOYSTICK_H
#define CNOID_UTIL_JOYSTICK_H
 
#include "JoystickInterface.h"
#include "Signal.h"
#include <string>
#include "exportdecl.h"
 
namespace cnoid {
 
class JoystickImpl;
 
class CNOID_EXPORT Joystick : public JoystickInterface
{
public:
    Joystick();
    Joystick(const char* device);
    virtual ~Joystick();
 
    std::string device() const;
    int fileDescriptor() const;
 
    bool makeReady();
    bool isReady() const;
    const char* errorMessage() const;
 
    enum AxisID {
        L_STICK_H_AXIS,
        L_STICK_V_AXIS,
        R_STICK_H_AXIS,
        R_STICK_V_AXIS,
        DIRECTIONAL_PAD_H_AXIS,
        DIRECTIONAL_PAD_V_AXIS,
        L_TRIGGER_AXIS,
        R_TRIGGER_AXIS,
        NUM_STD_AXES
    };
 
    enum ButtonID {
        A_BUTTON, // Cross
        B_BUTTON, // Circle
        X_BUTTON, // Square
        Y_BUTTON, // Triangle
        L_BUTTON,
        R_BUTTON,
        SELECT_BUTTON,
        START_BUTTON,
        L_STICK_BUTTON,
        R_STICK_BUTTON,
        LOGO_BUTTON,
        NUM_STD_BUTTONS
    };
 
    virtual int numAxes() const override;
    virtual int numButtons() const override;
    virtual bool readCurrentState() override;
    virtual double getPosition(int axis) const override;
    virtual bool getButtonState(int button) const override;
    
    void setAxisEnabled(int axis, bool on);
 
    //double getDefaultPosition(int axis) const;
 
#ifdef __linux__
    bool getButtonDown(int button) const;
    bool getButtonUp(int button) const;
    bool getButtonHold(int button, int duration/*(msec)*/) const;
    bool getButtonHoldOn(int button, int duration/*(msec)*/) const;
#endif
    
    bool isActive() const;
    SignalProxy<void(int id, bool isPressed)> sigButton();
    SignalProxy<void(int id, double position)> sigAxis();
 
private:
    JoystickImpl* impl;
    friend class JoystickImpl;
};
 
}
 
#endif