| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QSTYLEPAINTER_H |
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| 5 | #define QSTYLEPAINTER_H |
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| 6 | |
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| 7 | #include <QtWidgets/qtwidgetsglobal.h> |
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| 8 | #include <QtGui/qpainter.h> |
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| 9 | #include <QtWidgets/qstyle.h> |
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| 10 | #include <QtWidgets/qwidget.h> |
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| 11 | |
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| 12 | QT_BEGIN_NAMESPACE |
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| 13 | |
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| 14 | |
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| 15 | class QStylePainter : public QPainter |
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| 16 | { |
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| 17 | public: |
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| 18 | inline QStylePainter() : QPainter(), widget(nullptr), wstyle(nullptr) {} |
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| 19 | inline explicit QStylePainter(QWidget *w) { begin(pd: w, w); } |
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| 20 | inline QStylePainter(QPaintDevice *pd, QWidget *w) { begin(pd, w); } |
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| 21 | inline bool begin(QWidget *w) { return begin(pd: w, w); } |
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| 22 | inline bool begin(QPaintDevice *pd, QWidget *w) { |
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| 23 | Q_ASSERT_X(w, "QStylePainter::QStylePainter" , "Widget must be non-zero" ); |
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| 24 | widget = w; |
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| 25 | wstyle = w->style(); |
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| 26 | const bool res = QPainter::begin(pd); |
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| 27 | setRenderHint(hint: QPainter::SmoothPixmapTransform); |
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| 28 | return res; |
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| 29 | } |
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| 30 | inline void drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption &opt); |
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| 31 | inline void drawControl(QStyle::ControlElement ce, const QStyleOption &opt); |
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| 32 | inline void drawComplexControl(QStyle::ComplexControl cc, const QStyleOptionComplex &opt); |
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| 33 | inline void drawItemText(const QRect &r, int flags, const QPalette &pal, bool enabled, |
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| 34 | const QString &text, QPalette::ColorRole textRole = QPalette::NoRole); |
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| 35 | inline void drawItemPixmap(const QRect &r, int flags, const QPixmap &pixmap); |
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| 36 | inline QStyle *style() const { return wstyle; } |
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| 37 | |
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| 38 | private: |
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| 39 | QWidget *widget; |
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| 40 | QStyle *wstyle; |
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| 41 | Q_DISABLE_COPY(QStylePainter) |
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| 42 | }; |
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| 43 | |
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| 44 | void QStylePainter::drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption &opt) |
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| 45 | { |
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| 46 | wstyle->drawPrimitive(pe, opt: &opt, p: this, w: widget); |
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| 47 | } |
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| 48 | |
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| 49 | void QStylePainter::drawControl(QStyle::ControlElement ce, const QStyleOption &opt) |
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| 50 | { |
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| 51 | wstyle->drawControl(element: ce, opt: &opt, p: this, w: widget); |
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| 52 | } |
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| 53 | |
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| 54 | void QStylePainter::drawComplexControl(QStyle::ComplexControl cc, const QStyleOptionComplex &opt) |
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| 55 | { |
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| 56 | wstyle->drawComplexControl(cc, opt: &opt, p: this, widget); |
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| 57 | } |
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| 58 | |
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| 59 | void QStylePainter::drawItemText(const QRect &r, int flags, const QPalette &pal, bool enabled, |
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| 60 | const QString &text, QPalette::ColorRole textRole) |
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| 61 | { |
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| 62 | wstyle->drawItemText(painter: this, rect: r, flags, pal, enabled, text, textRole); |
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| 63 | } |
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| 64 | |
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| 65 | void QStylePainter::drawItemPixmap(const QRect &r, int flags, const QPixmap &pixmap) |
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| 66 | { |
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| 67 | wstyle->drawItemPixmap(painter: this, rect: r, alignment: flags, pixmap); |
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| 68 | } |
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| 69 | |
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| 70 | QT_END_NAMESPACE |
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| 71 | |
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| 72 | #endif // QSTYLEPAINTER_H |
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| 73 | |
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