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198 lines
8.2 KiB
C++
198 lines
8.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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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 The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company 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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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QSTYLESHEETSTYLE_P_H
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#define QSTYLESHEETSTYLE_P_H
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#include "QtGui/qwindowsstyle.h"
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#ifndef QT_NO_STYLE_STYLESHEET
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#include "QtGui/qstyleoption.h"
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#include "QtCore/qhash.h"
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#include "QtGui/qevent.h"
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#include "QtCore/qvector.h"
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#include "QtGui/qapplication.h"
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#include "qcssparser_p.h"
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#include "QtGui/qbrush.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 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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class QRenderRule;
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class QAbstractScrollArea;
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class QStyleSheetStylePrivate;
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class QStyleOptionTitleBar;
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class Q_AUTOTEST_EXPORT QStyleSheetStyle : public QWindowsStyle
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{
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typedef QWindowsStyle ParentStyle;
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Q_OBJECT
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public:
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QStyleSheetStyle(QStyle *baseStyle);
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~QStyleSheetStyle();
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void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
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const QWidget *w = Q_NULLPTR) const;
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void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
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const QWidget *w = Q_NULLPTR) const;
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void drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const;
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void drawItemText(QPainter *painter, const QRect& rect, int alignment, const QPalette &pal,
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bool enabled, const QString& text, QPalette::ColorRole textRole = QPalette::NoRole) const;
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void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
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const QWidget *w = Q_NULLPTR) const;
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QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap,
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const QStyleOption *option) const;
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SubControl hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt,
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const QPoint &pt, const QWidget *w = Q_NULLPTR) const;
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QRect itemPixmapRect(const QRect &rect, int alignment, const QPixmap &pixmap) const;
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QRect itemTextRect(const QFontMetrics &metrics, const QRect &rect, int alignment, bool enabled,
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const QString &text) const;
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int pixelMetric(PixelMetric metric, const QStyleOption *option = Q_NULLPTR, const QWidget *widget = Q_NULLPTR) const;
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void polish(QWidget *widget);
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void polish(QApplication *app);
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void polish(QPalette &pal);
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QSize sizeFromContents(ContentsType ct, const QStyleOption *opt,
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const QSize &contentsSize, const QWidget *widget = Q_NULLPTR) const;
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QPalette standardPalette() const;
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QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *option = Q_NULLPTR,
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const QWidget *w = Q_NULLPTR ) const;
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int layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2,
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Qt::Orientation orientation, const QStyleOption *option = Q_NULLPTR,
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const QWidget *widget = Q_NULLPTR) const;
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int styleHint(StyleHint sh, const QStyleOption *opt = Q_NULLPTR, const QWidget *w = Q_NULLPTR,
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QStyleHintReturn *shret = Q_NULLPTR) const;
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QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = Q_NULLPTR) const;
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QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc,
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const QWidget *w = Q_NULLPTR) const;
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// These functions are called from QApplication/QWidget. Be careful.
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QStyle *baseStyle() const;
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void repolish(QWidget *widget);
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void repolish(QApplication *app);
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void unpolish(QWidget *widget);
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void unpolish(QApplication *app);
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QStyle *base;
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void ref() { ++refcount; }
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void deref() { Q_ASSERT(refcount > 0); if (!--refcount) delete this; }
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void updateStyleSheetFont(QWidget* w) const;
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void saveWidgetFont(QWidget* w, const QFont& font) const;
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void clearWidgetFont(QWidget* w) const;
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bool styleSheetPalette(const QWidget* w, const QStyleOption* opt, QPalette* pal);
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QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *opt = Q_NULLPTR,
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const QWidget *widget = Q_NULLPTR) const;
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protected:
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bool event(QEvent *e);
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private:
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int refcount;
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friend class QRenderRule;
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int nativeFrameWidth(const QWidget *);
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QRenderRule renderRule(const QWidget *, int, quint64 = 0) const;
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QRenderRule renderRule(const QWidget *, const QStyleOption *, int = 0) const;
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QSize defaultSize(const QWidget *, QSize, const QRect&, int) const;
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QRect positionRect(const QWidget *, const QRenderRule&, const QRenderRule&, int,
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const QRect&, Qt::LayoutDirection) const;
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QRect positionRect(const QWidget *w, const QRenderRule &rule2, int pe,
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const QRect &originRect, Qt::LayoutDirection dir) const;
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mutable QCss::Parser parser;
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void setPalette(QWidget *);
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void unsetPalette(QWidget *);
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void setProperties(QWidget *);
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void setGeometry(QWidget *);
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QVector<QCss::StyleRule> styleRules(const QWidget *w) const;
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bool hasStyleRule(const QWidget *w, int part) const;
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QHash<QStyle::SubControl, QRect> titleBarLayout(const QWidget *w, const QStyleOptionTitleBar *tb) const;
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QCss::StyleSheet getDefaultStyleSheet() const;
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static Qt::Alignment resolveAlignment(Qt::LayoutDirection, Qt::Alignment);
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static bool isNaturalChild(const QWidget *w);
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bool initWidget(const QWidget *w) const;
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public:
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static int numinstances;
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private:
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Q_DISABLE_COPY(QStyleSheetStyle)
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Q_DECLARE_PRIVATE(QStyleSheetStyle)
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};
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class QStyleSheetStyleCaches : public QObject
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{
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Q_OBJECT
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public Q_SLOTS:
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void widgetDestroyed(QObject *);
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void styleDestroyed(QObject *);
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public:
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QHash<const QWidget *, QVector<QCss::StyleRule> > styleRulesCache;
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QHash<const QWidget *, QHash<int, bool> > hasStyleRuleCache;
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typedef QHash<int, QHash<quint64, QRenderRule> > QRenderRules;
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QHash<const QWidget *, QRenderRules> renderRulesCache;
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QHash<const QWidget *, QPalette> customPaletteWidgets; // widgets whose palette we tampered
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QHash<const void *, QCss::StyleSheet> styleSheetCache; // parsed style sheets
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QSet<const QWidget *> autoFillDisabledWidgets;
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};
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QT_END_NAMESPACE
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#endif // QT_NO_STYLE_STYLESHEET
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#endif // QSTYLESHEETSTYLE_P_H
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