GainputHoldGesture.h

#ifndef GAINPUTHOLDGESTURE_H_
#define GAINPUTHOLDGESTURE_H_

#ifdef GAINPUT_ENABLE_HOLD_GESTURE

namespace gainput
{

enum HoldAction
{
    HoldTriggered       
};


class GAINPUT_LIBEXPORT HoldGesture : public InputGesture
{
public:
    HoldGesture(InputManager& manager, DeviceId device, unsigned index, DeviceVariant variant);
    ~HoldGesture();


    void Initialize(DeviceId actionButtonDevice, DeviceButtonId actionButton, bool oneShot = true, uint64_t timeSpan = 800);

    void Initialize(DeviceId actionButtonDevice, DeviceButtonId actionButton, 
            DeviceId xAxisDevice, DeviceButtonId xAxis, float xTolerance, 
            DeviceId yAxisDevice, DeviceButtonId yAxis, float yTolerance, 
            bool oneShot = true, 
            uint64_t timeSpan = 800);

    bool IsValidButtonId(DeviceButtonId deviceButton) const { return deviceButton == HoldTriggered; }

    ButtonType GetButtonType(DeviceButtonId deviceButton) const { GAINPUT_UNUSED(deviceButton); GAINPUT_ASSERT(IsValidButtonId(deviceButton)); return BT_BOOL; }

protected:
    void InternalUpdate(InputDeltaState* delta);

private:
    DeviceButtonSpec actionButton_;
    DeviceButtonSpec xAxis_;
    float xTolerance_;
    DeviceButtonSpec yAxis_;
    float yTolerance_;

    bool oneShot_;
    bool oneShotReset_;
    uint64_t timeSpan_;
    uint64_t firstDownTime_;

    float firstDownX_;
    float firstDownY_;
};

}

#endif

#endif