dom2_eventsimpl.h

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    long screenX() const { return m_screenX; }
    long screenY() const { return m_screenY; }
    long clientX() const { return m_clientX; }
    long clientY() const { return m_clientY; }
    long layerX() const { return m_layerX; }
    long layerY() const { return m_layerY; }
    bool isSimulated() const { return m_isSimulated; }
protected: // expose these so MouseEventImpl::initMouseEvent can set them
    long m_screenX;
    long m_screenY;
    long m_clientX;
    long m_clientY;
    void computeLayerPos();
private:
    long m_layerX;
    long m_layerY;
    bool m_isSimulated;
};

// Introduced in DOM Level 2
class MouseEventImpl : public MouseRelatedEventImpl {
public:
    MouseEventImpl();
    MouseEventImpl(EventId _id,
		   bool canBubbleArg,
		   bool cancelableArg,
		   AbstractViewImpl *viewArg,
		   long detailArg,
		   long screenXArg,
		   long screenYArg,
		   long clientXArg,
		   long clientYArg,
		   bool ctrlKeyArg,
		   bool altKeyArg,
		   bool shiftKeyArg,
		   bool metaKeyArg,
		   unsigned short buttonArg,
		   NodeImpl *relatedTargetArg,
                   ClipboardImpl *clipboardArg=0,
                   bool isSimulated = false);
    virtual ~MouseEventImpl();
    unsigned short button() const { return m_button; }
    NodeImpl *relatedTarget() const { return m_relatedTarget; }
    ClipboardImpl *clipboard() const { return m_clipboard; }
    bool isSimulated() const { return m_isSimulated; }
    void initMouseEvent(const DOMString &typeArg,
			bool canBubbleArg,
			bool cancelableArg,
			const AbstractView &viewArg,
			long detailArg,
			long screenXArg,
			long screenYArg,
			long clientXArg,
			long clientYArg,
			bool ctrlKeyArg,
			bool altKeyArg,
			bool shiftKeyArg,
			bool metaKeyArg,
			unsigned short buttonArg,
			const Node &relatedTargetArg);
    virtual bool isMouseEvent() const;
    virtual bool isDragEvent() const;
private:
    unsigned short m_button;
    NodeImpl *m_relatedTarget;
    ClipboardImpl *m_clipboard;
    bool m_isSimulated;
};


// Introduced in DOM Level 3
class KeyboardEventImpl : public UIEventWithKeyStateImpl {
public:
    KeyboardEventImpl();
    KeyboardEventImpl(QKeyEvent *key, AbstractViewImpl *view);
    KeyboardEventImpl(EventId _id,
                bool canBubbleArg,
                bool cancelableArg,
                AbstractViewImpl *viewArg,
                const DOMString &keyIdentifierArg,
                unsigned long keyLocationArg,
                bool ctrlKeyArg,
                bool altKeyArg,
                bool shiftKeyArg,
                bool metaKeyArg,
                bool altGraphKeyArg);
    virtual ~KeyboardEventImpl();
    
    void initKeyboardEvent(const DOMString &typeArg,
                bool canBubbleArg,
                bool cancelableArg,
                const AbstractView &viewArg,
                const DOMString &keyIdentifierArg,
                unsigned long keyLocationArg,
                bool ctrlKeyArg,
                bool altKeyArg,
                bool shiftKeyArg,
                bool metaKeyArg,
                bool altGraphKeyArg);
    
    DOMString keyIdentifier() const { return m_keyIdentifier; }
    unsigned long keyLocation() const { return m_keyLocation; }
    
    bool altGraphKey() const { return m_altGraphKey; }
    
    QKeyEvent *qKeyEvent() const { return m_keyEvent; }

    int keyCode() const; // key code for keydown and keyup, character for other events
    int charCode() const;
    
    virtual bool isKeyboardEvent() const;

private:
    QKeyEvent *m_keyEvent;
    DOMStringImpl *m_keyIdentifier;
    unsigned long m_keyLocation;
    bool m_altGraphKey : 1;
};

class MutationEventImpl : public EventImpl {
// ### fire these during parsing (if necessary)
public:
    MutationEventImpl();
    MutationEventImpl(EventId _id,
		      bool canBubbleArg,
		      bool cancelableArg,
		      const Node &relatedNodeArg,
		      const DOMString &prevValueArg,
		      const DOMString &newValueArg,
		      const DOMString &attrNameArg,
		      unsigned short attrChangeArg);
    ~MutationEventImpl();

    Node relatedNode() const { return m_relatedNode; }
    DOMString prevValue() const { return m_prevValue; }
    DOMString newValue() const { return m_newValue; }
    DOMString attrName() const { return m_attrName; }
    unsigned short attrChange() const { return m_attrChange; }
    void initMutationEvent(const DOMString &typeArg,
			   bool canBubbleArg,
			   bool cancelableArg,
			   const Node &relatedNodeArg,
			   const DOMString &prevValueArg,
			   const DOMString &newValueArg,
			   const DOMString &attrNameArg,
			   unsigned short attrChangeArg);
    virtual bool isMutationEvent() const;
protected:
    NodeImpl *m_relatedNode;
    DOMStringImpl *m_prevValue;
    DOMStringImpl *m_newValue;
    DOMStringImpl *m_attrName;
    unsigned short m_attrChange;
};

class ClipboardEventImpl : public EventImpl {
public:
    ClipboardEventImpl();
    ClipboardEventImpl(EventId _id, bool canBubbleArg, bool cancelableArg, ClipboardImpl *clipboardArg);
    ~ClipboardEventImpl();

    ClipboardImpl *clipboard() const { return m_clipboard; }
    virtual bool isClipboardEvent() const;
protected:
    ClipboardImpl *m_clipboard;
};

// extension: mouse wheel event
class WheelEventImpl : public MouseRelatedEventImpl
{
public:
    WheelEventImpl();
    WheelEventImpl(bool horizontal, long wheelDelta, AbstractViewImpl *,
                   long screenXArg, long screenYArg,
                   long clientXArg, long clientYArg,
                   bool ctrlKeyArg, bool altKeyArg, bool shiftKeyArg, bool metaKeyArg);
    bool isHorizontal() const { return m_horizontal; }
    long wheelDelta() const { return m_wheelDelta; }

private:
    virtual bool isWheelEvent() const;

    bool m_horizontal;
    long m_wheelDelta;
};

class RegisteredEventListener 
OOM_MODIFIED
{
public:
    RegisteredEventListener(EventImpl::EventId _id, EventListener *_listener, bool _useCapture);
    ~RegisteredEventListener();

    MAIN_THREAD_ALLOCATED;
    
    bool operator==(const RegisteredEventListener &other);

    EventImpl::EventId id;
    EventListener *listener;
    bool useCapture;
private:
    RegisteredEventListener( const RegisteredEventListener & );
    RegisteredEventListener & operator=( const RegisteredEventListener & );
};

// State available during IE's events for drag and drop and copy/paste
class ClipboardImpl : public khtml::Shared<ClipboardImpl> {
public:
    ClipboardImpl() { }
    virtual ~ClipboardImpl();

    MAIN_THREAD_ALLOCATED;
    
    // Is this operation a drag-drop or a copy-paste?
    virtual bool isForDragging() const = 0;

    virtual DOMString dropEffect() const = 0;
    virtual void setDropEffect(const DOMString &s) = 0;
    virtual DOMString effectAllowed() const = 0;
    virtual void setEffectAllowed(const DOMString &s) = 0;
    
    virtual void clearData(const DOMString &type) = 0;
    virtual void clearAllData() = 0;
    virtual DOMString getData(const DOMString &type, bool &success) const = 0;
    virtual bool setData(const DOMString &type, const DOMString &data) = 0;
    
    // extensions beyond IE's API
    virtual QStringList types() const = 0;
    
    virtual QPoint dragLocation() const = 0;
    virtual QPixmap dragImage() const = 0;
    virtual void setDragImage(const QPixmap &, const QPoint &) = 0;
    virtual const Node dragImageElement() = 0;
    virtual void setDragImageElement(const Node &, const QPoint &) = 0;
};

class BeforeUnloadEventImpl : public EventImpl
{
public:
    BeforeUnloadEventImpl();

    virtual bool storesResultAsString() const;
    virtual void storeResult(const DOMString&);

    DOMString result() const { return m_result.get(); }

private:
    khtml::SharedPtr<DOMStringImpl> m_result;
};

} // namespace

#endif