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39 
40 #ifndef QPROXYSTYLE_H
41 #define QPROXYSTYLE_H
42 
43 #include <QtWidgets/qtwidgetsglobal.h>
44 #include <QtWidgets/QCommonStyle>
45 
46 QT_BEGIN_NAMESPACE
47 
48 
49 #if !defined(QT_NO_STYLE_PROXY)
50 
51 class QProxyStylePrivate;
52 class Q_WIDGETS_EXPORT QProxyStyle : public QCommonStyle
53 {
54     Q_OBJECT
55 
56 public:
57     QProxyStyle(QStyle *style = nullptr);
58     QProxyStyle(const QString &key);
59     ~QProxyStyle();
60 
61     QStyle *baseStyle() const;
62     void setBaseStyle(QStyle *style);
63 
64     void drawPrimitive(PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = nullptr) const override;
65     void drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = nullptr) const override;
66     void drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget = nullptr) const override;
67     void drawItemText(QPainter *painter, const QRect &rect, int flags, const QPalette &pal, bool enabled,
68                       const QString &text, QPalette::ColorRole textRole = QPalette::NoRole) const override;
69     virtual void drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const override;
70 
71     QSize sizeFromContents(ContentsType type, const QStyleOption *option, const QSize &size, const QWidget *widget) const override;
72 
73     QRect subElementRect(SubElement element, const QStyleOption *option, const QWidget *widget) const override;
74     QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc, const QWidget *widget) const override;
75     QRect itemTextRect(const QFontMetrics &fm, const QRect &r, int flags, bool enabled, const QString &text) const override;
76     QRect itemPixmapRect(const QRect &r, int flags, const QPixmap &pixmap) const override;
77 
78     SubControl hitTestComplexControl(ComplexControl control, const QStyleOptionComplex *option, const QPoint &pos, const QWidget *widget = nullptr) const override;
79     int styleHint(StyleHint hint, const QStyleOption *option = nullptr, const QWidget *widget = nullptr, QStyleHintReturn *returnData = nullptr) const override;
80     int pixelMetric(PixelMetric metric, const QStyleOption *option = nullptr, const QWidget *widget = nullptr) const override;
81     int layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2,
82                       Qt::Orientation orientation, const QStyleOption *option = nullptr, const QWidget *widget = nullptr) const override;
83 
84     QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *option = nullptr, const QWidget *widget = nullptr) const override;
85     QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt, const QWidget *widget = nullptr) const override;
86     QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, const QStyleOption *opt) const override;
87     QPalette standardPalette() const override;
88 
89     void polish(QWidget *widget) override;
90     void polish(QPalette &pal) override;
91     void polish(QApplication *app) override;
92 
93     void unpolish(QWidget *widget) override;
94     void unpolish(QApplication *app) override;
95 
96 protected:
97     bool event(QEvent *e) override;
98 
99 private:
100     Q_DISABLE_COPY(QProxyStyle)
101     Q_DECLARE_PRIVATE(QProxyStyle)
102 };
103 
104 #endif // QT_NO_STYLE_PROXY
105 
106 QT_END_NAMESPACE
107 
108 #endif // QPROXYSTYLE_H
109