GainputDoubleClickGesture.h

#ifndef GAINPUTDOUBLECLICKGESTURE_H_
#define GAINPUTDOUBLECLICKGESTURE_H_

#ifdef GAINPUT_ENABLE_DOUBLE_CLICK_GESTURE

namespace gainput
{

enum DoubleClickAction
{
    DoubleClickTriggered        
};


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


    void Initialize(DeviceId actionButtonDevice, DeviceButtonId actionButton, uint64_t timeSpan = 300);

    void Initialize(DeviceId actionButtonDevice, DeviceButtonId actionButton, 
            DeviceId xAxisDevice, DeviceButtonId xAxis, float xTolerance, 
            DeviceId yAxisDevice, DeviceButtonId yAxis, float yTolerance, 
            uint64_t timeSpan = 300);


    void SetClicksTargetCount(unsigned count) { clicksTargetCount_ = count; }

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

    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_;

    uint64_t timeSpan_;
    uint64_t firstClickTime_;

    float firstClickX_;
    float firstClickY_;

    unsigned clicksRegistered_;
    unsigned clicksTargetCount_;
};

}

#endif

#endif