Alf Gaida
9 years ago
parent
488517dc24
commit
c5df735d89
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build
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*.kdev4
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Digia Qt LGPL Exception version 1.1
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===================================
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As an additional permission to the GNU Lesser General Public License version
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2.1, the object code form of a "work that uses the Library" may incorporate
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material from a header file that is part of the Library. You may distribute
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such object code under terms of your choice, provided that:
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(i) the header files of the Library have not been modified; and
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(ii) the incorporated material is limited to numerical parameters, data
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structure layouts, accessors, macros, inline functions and
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templates; and
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(iii) you comply with the terms of Section 6 of the GNU Lesser General
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Public License version 2.1.
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Moreover, you may apply this exception to a modified version of the Library,
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provided that such modification does not involve copying material from the
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Library into the modified Library's header files unless such material is
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limited to (i) numerical parameters; (ii) data structure layouts;
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(iii) accessors; and (iv) small macros, templates and inline functions of
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five lines or less in length.
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Furthermore, you are not required to apply this additional permission to a
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modified version of the Library.
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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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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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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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, Digia gives you certain additional
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** rights. These rights are described in the Digia 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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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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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 QICONLOADER_P_H
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#define QICONLOADER_P_H
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#include <QtCore/qglobal.h>
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#ifndef QT_NO_ICON
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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 purely as an
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// implementation detail. This header file may change from version to
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// 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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#include <QtGui/QIcon>
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#include <QtGui/QIconEngine>
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#include <QtGui/QPixmapCache>
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#include <private/qicon_p.h>
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#include <private/qfactoryloader_p.h>
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#include <QtCore/QHash>
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QT_BEGIN_NAMESPACE
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class QIconLoader;
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struct QIconDirInfo
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{
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enum Type { Fixed, Scalable, Threshold };
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QIconDirInfo(const QString &_path = QString()) :
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path(_path),
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size(0),
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maxSize(0),
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minSize(0),
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threshold(0),
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type(Threshold) {}
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QString path;
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short size;
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short maxSize;
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short minSize;
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short threshold;
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Type type : 4;
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};
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class QIconLoaderEngineEntry
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{
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public:
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virtual ~QIconLoaderEngineEntry() {}
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virtual QPixmap pixmap(const QSize &size,
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QIcon::Mode mode,
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QIcon::State state) = 0;
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QString filename;
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QIconDirInfo dir;
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static int count;
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};
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struct ScalableEntry : public QIconLoaderEngineEntry
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{
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QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state);
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QIcon svgIcon;
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};
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struct PixmapEntry : public QIconLoaderEngineEntry
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{
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QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state);
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QPixmap basePixmap;
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};
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typedef QList<QIconLoaderEngineEntry*> QThemeIconEntries;
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class QIconLoaderEngine : public QIconEngine
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{
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public:
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QIconLoaderEngine(const QString& iconName = QString());
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~QIconLoaderEngine();
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void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state);
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QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state);
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QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state);
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QIconEngine *clone() const;
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bool read(QDataStream &in);
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bool write(QDataStream &out) const;
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private:
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QString key() const;
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bool hasIcon() const;
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void ensureLoaded();
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void virtual_hook(int id, void *data);
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QIconLoaderEngineEntry *entryForSize(const QSize &size);
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QIconLoaderEngine(const QIconLoaderEngine &other);
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QThemeIconEntries m_entries;
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QString m_iconName;
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uint m_key;
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friend class QIconLoader;
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};
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class QIconTheme
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{
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public:
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QIconTheme(const QString &name);
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QIconTheme() : m_valid(false) {}
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QStringList parents() { return m_parents; }
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QList <QIconDirInfo> keyList() { return m_keyList; }
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QString contentDir() { return m_contentDir; }
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bool isValid() { return m_valid; }
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private:
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QString m_contentDir;
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QList <QIconDirInfo> m_keyList;
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QStringList m_parents;
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bool m_valid;
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};
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class Q_GUI_EXPORT QIconLoader : public QObject
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{
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public:
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QIconLoader();
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QThemeIconEntries loadIcon(const QString &iconName) const;
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uint themeKey() const { return m_themeKey; }
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QString themeName() const { return m_userTheme.isEmpty() ? m_systemTheme : m_userTheme; }
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void setThemeName(const QString &themeName);
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QIconTheme theme() { return themeList.value(themeName()); }
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void setThemeSearchPath(const QStringList &searchPaths);
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QStringList themeSearchPaths() const;
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QIconDirInfo dirInfo(int dirindex);
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static QIconLoader *instance();
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void updateSystemTheme();
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void invalidateKey() { m_themeKey++; }
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void ensureInitialized();
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private:
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QThemeIconEntries findIconHelper(const QString &themeName,
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const QString &iconName,
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QStringList &visited) const;
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uint m_themeKey;
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bool m_supportsSvg;
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bool m_initialized;
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mutable QString m_userTheme;
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mutable QString m_systemTheme;
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mutable QStringList m_iconDirs;
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mutable QHash <QString, QIconTheme> themeList;
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};
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QT_END_NAMESPACE
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#endif // QT_NO_ICON
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#endif // QICONLOADER_P_H
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