html_formimpl.h

khtml在gtk上的移植版本

    // used in case input type=image was clicked.
    int clickX() const { return xPos; }
    int clickY() const { return yPos; }

    virtual void defaultEventHandler(EventImpl *evt);
    virtual bool isEditable();

    DOMString altText() const;
    
    virtual bool isURLAttribute(AttributeImpl *attr) const;

#if APPLE_CHANGES
    long maxResults() const { return m_maxResults; }
#endif
    
protected:

    DOMString m_value;
    int       xPos;
    short     m_maxLen;
    short     m_size;
    short     yPos;

#if APPLE_CHANGES
    short     m_maxResults;
#endif

    HTMLImageLoader* m_imageLoader;

    typeEnum m_type : 4;
    bool m_checked : 1;
    bool m_defaultChecked : 1;
    bool m_useDefaultChecked : 1;
    bool m_haveType : 1;
    bool m_activeSubmit : 1;
    bool m_autocomplete : 1;
};

// -------------------------------------------------------------------------

class HTMLLabelElementImpl : public HTMLElementImpl
{
public:
    HTMLLabelElementImpl(DocumentPtr *doc);
    virtual ~HTMLLabelElementImpl();

    virtual bool isFocusable() const;
    
    virtual Id id() const;

    virtual void parseHTMLAttribute(HTMLAttributeImpl *attr);

    /**
     * the form element this label is associated to.
     */
    ElementImpl *formElement();
 private:
    DOMString m_formElementID;
};

// -------------------------------------------------------------------------

class HTMLLegendElementImpl : public HTMLGenericFormElementImpl
{
public:
    HTMLLegendElementImpl(DocumentPtr *doc, HTMLFormElementImpl *f = 0);
    virtual ~HTMLLegendElementImpl();

    virtual bool isFocusable() const;
    
    virtual Id id() const;
    virtual khtml::RenderObject *createRenderer(RenderArena *, khtml::RenderStyle *);

    virtual DOMString type() const;
};

// -------------------------------------------------------------------------

class HTMLSelectElementImpl : public HTMLGenericFormElementImpl
{
    friend class khtml::RenderSelect;

public:
    HTMLSelectElementImpl(DocumentPtr *doc, HTMLFormElementImpl *f = 0);
    ~HTMLSelectElementImpl();

    virtual Id id() const;
    DOMString type() const;

    virtual void recalcStyle( StyleChange );

    long selectedIndex() const;
    void setSelectedIndex( long index );

    virtual bool isEnumeratable() const { return true; }

    long length() const;

    long minWidth() const { return m_minwidth; }

    long size() const { return m_size; }

    bool multiple() const { return m_multiple; }

    void add ( HTMLElementImpl *element, HTMLElementImpl *before );
    void remove ( long index );
    void blur();
    void focus();

    DOMString value();
    void setValue(DOMStringImpl* value);
    
    HTMLOptionsCollectionImpl *options();

    virtual bool maintainsState() { return true; }
    virtual QString state();
    virtual void restoreState(QStringList &);

    virtual NodeImpl *insertBefore ( NodeImpl *newChild, NodeImpl *refChild, int &exceptioncode );
    virtual NodeImpl *replaceChild ( NodeImpl *newChild, NodeImpl *oldChild, int &exceptioncode );
    virtual NodeImpl *removeChild ( NodeImpl *oldChild, int &exceptioncode );
    virtual NodeImpl *appendChild ( NodeImpl *newChild, int &exceptioncode );
    virtual NodeImpl *addChild( NodeImpl* newChild );

    virtual void childrenChanged();

    virtual void parseHTMLAttribute(HTMLAttributeImpl *attr);

    virtual khtml::RenderObject *createRenderer(RenderArena *, khtml::RenderStyle *);
    virtual bool encoding(const QTextCodec*, khtml::encodingList&, bool);

    // get the actual listbox index of the optionIndexth option
    int optionToListIndex(int optionIndex) const;
    // reverse of optionToListIndex - get optionIndex from listboxIndex
    int listToOptionIndex(int listIndex) const;

    void setRecalcListItems();

    QMemArray<HTMLGenericFormElementImpl*> listItems() const
     {
         if (m_recalcListItems) const_cast<HTMLSelectElementImpl*>(this)->recalcListItems();
         return m_listItems;
     }
    virtual void reset();
    void notifyOptionSelected(HTMLOptionElementImpl *selectedOption, bool selected);

#if APPLE_CHANGES
    virtual void defaultEventHandler(EventImpl *evt);
#endif

    virtual void accessKeyAction();

private:
    void recalcListItems();

protected:
    mutable QMemArray<HTMLGenericFormElementImpl*> m_listItems;
    HTMLOptionsCollectionImpl *m_options;
    short m_minwidth;
    short m_size;
    bool m_multiple;
    bool m_recalcListItems;
};

// -------------------------------------------------------------------------

class HTMLKeygenElementImpl : public HTMLSelectElementImpl
{
public:
    HTMLKeygenElementImpl(DocumentPtr *doc, HTMLFormElementImpl *f = 0);

    virtual Id id() const;

    DOMString type() const;

    // ### this is just a rough guess
    virtual bool isEnumeratable() const { return false; }

    virtual void parseHTMLAttribute(HTMLAttributeImpl *attr);
    virtual bool encoding(const QTextCodec*, khtml::encodingList&, bool);
protected:
    AtomicString m_challenge;
    AtomicString m_keyType;
};

// -------------------------------------------------------------------------

class HTMLOptGroupElementImpl : public HTMLGenericFormElementImpl
{
public:
    HTMLOptGroupElementImpl(DocumentPtr *doc, HTMLFormElementImpl *f = 0);
    virtual ~HTMLOptGroupElementImpl();

    virtual Id id() const;
    DOMString type() const;

    virtual bool isFocusable() const;
    
    virtual NodeImpl *insertBefore ( NodeImpl *newChild, NodeImpl *refChild, int &exceptioncode );
    virtual NodeImpl *replaceChild ( NodeImpl *newChild, NodeImpl *oldChild, int &exceptioncode );
    virtual NodeImpl *removeChild ( NodeImpl *oldChild, int &exceptioncode );
    virtual NodeImpl *appendChild ( NodeImpl *newChild, int &exceptioncode );
    virtual NodeImpl *addChild( NodeImpl* newChild );
    virtual void parseHTMLAttribute(HTMLAttributeImpl *attr);
    void recalcSelectOptions();

};


// ---------------------------------------------------------------------------

class HTMLOptionElementImpl : public HTMLGenericFormElementImpl
{
    friend class khtml::RenderSelect;
    friend class DOM::HTMLSelectElementImpl;

public:
    HTMLOptionElementImpl(DocumentPtr *doc, HTMLFormElementImpl *f = 0);

    virtual bool isFocusable() const;
    
    virtual Id id() const;
    DOMString type() const;

    DOMString text() const;

    long index() const;
    void setIndex( long );
    virtual void parseHTMLAttribute(HTMLAttributeImpl *attr);
    DOMString value() const;
    void setValue(DOMStringImpl* value);

    bool selected() const { return m_selected; }
    void setSelected(bool _selected);

    HTMLSelectElementImpl *getSelect() const;

    virtual void childrenChanged();

protected:
    DOMString m_value;
    bool m_selected;
};


// -------------------------------------------------------------------------

class HTMLTextAreaElementImpl : public HTMLGenericFormElementImpl
{
    friend class khtml::RenderTextArea;

public:
    enum WrapMethod {
        ta_NoWrap,
        ta_Virtual,
        ta_Physical
    };

    HTMLTextAreaElementImpl(DocumentPtr *doc, HTMLFormElementImpl *f = 0);
    ~HTMLTextAreaElementImpl();

    virtual Id id() const;

    long cols() const { return m_cols; }

    long rows() const { return m_rows; }

    WrapMethod wrap() const { return m_wrap; }

    virtual bool isEnumeratable() const { return true; }

    DOMString type() const;

    virtual bool maintainsState() { return true; }
    virtual QString state();
    virtual void restoreState(QStringList &);

    void select (  );

    virtual void parseHTMLAttribute(HTMLAttributeImpl *attr);
    virtual khtml::RenderObject *createRenderer(RenderArena *, khtml::RenderStyle *);
    virtual bool encoding(const QTextCodec*, khtml::encodingList&, bool);
    virtual void reset();
    DOMString value();
    void setValue(DOMString _value);
    DOMString defaultValue();
    void setDefaultValue(DOMString _defaultValue);
    void blur();
    void focus();

    virtual bool isEditable();
    
    virtual void accessKeyAction();
    
protected:
    int m_rows;
    int m_cols;
    WrapMethod m_wrap;
    QString m_value;
    bool m_dirtyvalue;
};

// -------------------------------------------------------------------------

class HTMLIsIndexElementImpl : public HTMLInputElementImpl
{
public:
    HTMLIsIndexElementImpl(DocumentPtr *doc, HTMLFormElementImpl *f = 0);

    virtual Id id() const;
    virtual void parseHTMLAttribute(HTMLAttributeImpl *attr);

protected:
    DOMString m_prompt;
};

// -------------------------------------------------------------------------

class HTMLOptionsCollectionImpl : public khtml::Shared<HTMLOptionsCollectionImpl>
{
public:
    HTMLOptionsCollectionImpl(HTMLSelectElementImpl *impl) : m_select(impl) { }

    unsigned long length() const;
    void setLength(unsigned long);
    NodeImpl *item(unsigned long index) const;
    NodeImpl *namedItem(const DOMString &name) const;

    void detach() { m_select = 0; }

private:
    HTMLSelectElementImpl *m_select;
};

} //namespace

#endif