WebCore/platform/gdk/RenderThemeGdk.h

/*
 * This file is part of the WebKit project.
 *
 * Copyright (C) 2006 Apple Computer, Inc.
 * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com 
 * All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */

#ifndef RenderThemeGdk_h
#define RenderThemeGdk_h

#include "RenderTheme.h"

namespace WebCore {

struct ThemeData {
    ThemeData() : m_part(0), m_state(0) {}

    unsigned m_part;
    unsigned m_state;
};

class RenderThemeGdk : public RenderTheme {
public:
    RenderThemeGdk() : RenderTheme() { }

    // A method asking if the theme's controls actually care about redrawing when hovered.
    virtual bool supportsHover(const RenderStyle* style) const { return true; }

    // System fonts.
    virtual void systemFont(int propId, FontDescription&) const;

protected:
    virtual bool paintCheckbox(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r);
    virtual void setCheckboxSize(RenderStyle* style) const;

    virtual bool paintRadio(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r);
    virtual void setRadioSize(RenderStyle* style) const;

    virtual void adjustButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
    virtual bool paintButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);

    virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
    virtual bool paintTextField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);

    virtual bool paintTextArea(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);

private:
    void addIntrinsicMargins(RenderStyle*) const;
    void close();

    unsigned determineState(RenderObject*);
    bool supportsFocus(EAppearance);

    ThemeData getThemeData(RenderObject*);
};

}

#endif