src/gui/styles/qcommonstyle_p.h
author Alex Gilkes <alex.gilkes@nokia.com>
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QCOMMONSTYLE_P_H
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#define QCOMMONSTYLE_P_H
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#include "qcommonstyle.h"
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#include "qstyle_p.h"
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#include "qstyleoption.h"
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QT_BEGIN_NAMESPACE
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API.  It exists for the convenience
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// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp.  This header
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// file may change from version to version without notice, or even be removed.
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//
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// We mean it.
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//
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class QStringList;
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#ifdef Q_WS_X11
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class QIconTheme
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{
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public:
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    QIconTheme(QHash <int, QString> dirList, QStringList parents) :
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          _dirList(dirList), _parents(parents), _valid(true){ }
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    QIconTheme() : _valid(false){ }
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    QHash <int, QString> dirList() {return _dirList;}
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    QStringList parents() {return _parents;}
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    bool isValid() {return _valid;}
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private:
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    QHash <int, QString> _dirList;
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    QStringList _parents;
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    bool _valid;
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};
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#endif
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// Private class
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class QCommonStylePrivate : public QStylePrivate
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{
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    Q_DECLARE_PUBLIC(QCommonStyle)
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public:
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    inline QCommonStylePrivate()
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#ifndef QT_NO_ITEMVIEWS
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    : cachedOption(0)
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#endif
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    { }
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#ifndef QT_NO_ITEMVIEWS
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    ~QCommonStylePrivate()
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    {
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        delete cachedOption;
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    }
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    void viewItemDrawText(QPainter *p, const QStyleOptionViewItemV4 *option, const QRect &rect) const;
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    void viewItemLayout(const QStyleOptionViewItemV4 *opt,  QRect *checkRect,
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                        QRect *pixmapRect, QRect *textRect, bool sizehint) const;
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    QSize viewItemSize(const QStyleOptionViewItemV4 *option, int role) const;
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    mutable QRect decorationRect, displayRect, checkRect;
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    mutable QStyleOptionViewItemV4 *cachedOption;
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    bool isViewItemCached(const QStyleOptionViewItemV4 &option) const {
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        return cachedOption && (option.rect == cachedOption->rect
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               && option.direction == cachedOption->direction
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               && option.state == cachedOption->state
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               && option.displayAlignment == cachedOption->displayAlignment
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               && option.decorationAlignment == cachedOption->decorationAlignment
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               && option.decorationPosition == cachedOption->decorationPosition
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               && option.decorationSize == cachedOption->decorationSize
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               && option.font == cachedOption->font
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               && option.features == cachedOption->features
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               && option.widget == cachedOption->widget
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               && option.index == cachedOption->index
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               && option.icon.isNull() == cachedOption->icon.isNull()
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               && option.text == cachedOption->text
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               && option.viewItemPosition == cachedOption->viewItemPosition);
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    }
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#endif
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    mutable QIcon tabBarcloseButtonIcon;
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#ifndef QT_NO_TABBAR
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    void tabLayout(const QStyleOptionTabV3 *opt, const QWidget *widget, QRect *textRect, QRect *pixmapRect) const;
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#endif
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};
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QT_END_NAMESPACE
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#endif //QCOMMONSTYLE_P_H