/****************************************************************************
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** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
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#ifndef QT3D_INPUT_KEYBOARDINPUT_P_H
#define QT3D_INPUT_KEYBOARDINPUT_P_H

#include <Qt3DCore/qbackendnode.h>
#include <Qt3DCore/qnodeid.h>
#include <Qt3DInput/q3dkeyevent.h>

QT_BEGIN_NAMESPACE

namespace Qt3D {

class Q3DKeyEvent;

namespace Input {

class InputHandler;

class KeyboardInput : public QBackendNode
{
public:
    KeyboardInput();
    void updateFromPeer(QNode *peer) Q_DECL_OVERRIDE;
    QNodeId keyboardController() const;
    void setInputHandler(InputHandler *handler);
    void setFocus(bool focus);
    void keyEvent(const Q3DKeyEventPtr &event);

    inline bool isEnabled() const { return m_enabled; }

protected:
    void sceneChangeEvent(const QSceneChangePtr &e) Q_DECL_OVERRIDE;
    void requestFocus();
    void setController(const QNodeId &controller);

private:
    InputHandler *m_inputHandler;
    QNodeId m_keyboardController;
    bool m_focus;
    bool m_enabled;
};

class KeyboardInputFunctor : public QBackendNodeFunctor
{
public:
    explicit KeyboardInputFunctor(InputHandler *handler);

    QBackendNode *create(QNode *frontend, const QBackendNodeFactory *factory) const Q_DECL_OVERRIDE;
    QBackendNode *get(const QNodeId &id) const Q_DECL_OVERRIDE;
    void destroy(const QNodeId &id) const Q_DECL_OVERRIDE;

private:
    InputHandler *m_handler;
};

} // Input

} // Qt3D

QT_END_NAMESPACE

#endif // QT3D_INPUT_KEYBOARDINPUT_P_H
