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Diffstat (limited to 'src/widgets/styles/qstylesheetstyle_p.h')
| -rw-r--r-- | src/widgets/styles/qstylesheetstyle_p.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/src/widgets/styles/qstylesheetstyle_p.h b/src/widgets/styles/qstylesheetstyle_p.h new file mode 100644 index 0000000000..1d38627edf --- /dev/null +++ b/src/widgets/styles/qstylesheetstyle_p.h @@ -0,0 +1,204 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSTYLESHEETSTYLE_P_H +#define QSTYLESHEETSTYLE_P_H + +#include "QtWidgets/qwindowsstyle.h" + +#ifndef QT_NO_STYLE_STYLESHEET + +#include "QtWidgets/qstyleoption.h" +#include "QtCore/qhash.h" +#include "QtGui/qevent.h" +#include "QtCore/qvector.h" +#include "QtWidgets/qapplication.h" +#include "private/qcssparser_p.h" +#include "QtGui/qbrush.h" + +QT_BEGIN_NAMESPACE + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +class QRenderRule; +class QAbstractScrollArea; +class QStyleSheetStylePrivate; +class QStyleOptionTitleBar; + +class Q_AUTOTEST_EXPORT QStyleSheetStyle : public QWindowsStyle +{ + typedef QWindowsStyle ParentStyle; + + Q_OBJECT +public: + QStyleSheetStyle(QStyle *baseStyle); + ~QStyleSheetStyle(); + + void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p, + const QWidget *w = 0) const; + void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p, + const QWidget *w = 0) const; + void drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const; + void drawItemText(QPainter *painter, const QRect& rect, int alignment, const QPalette &pal, + bool enabled, const QString& text, QPalette::ColorRole textRole = QPalette::NoRole) const; + void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p, + const QWidget *w = 0) const; + QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, + const QStyleOption *option) const; + SubControl hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, + const QPoint &pt, const QWidget *w = 0) const; + QRect itemPixmapRect(const QRect &rect, int alignment, const QPixmap &pixmap) const; + QRect itemTextRect(const QFontMetrics &metrics, const QRect &rect, int alignment, bool enabled, + const QString &text) const; + int pixelMetric(PixelMetric metric, const QStyleOption *option = 0, const QWidget *widget = 0) const; + void polish(QWidget *widget); + void polish(QApplication *app); + void polish(QPalette &pal); + QSize sizeFromContents(ContentsType ct, const QStyleOption *opt, + const QSize &contentsSize, const QWidget *widget = 0) const; + QPalette standardPalette() const; + QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *option = 0, + const QWidget *w = 0 ) const; + int layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2, + Qt::Orientation orientation, const QStyleOption *option = 0, + const QWidget *widget = 0) const; + int styleHint(StyleHint sh, const QStyleOption *opt = 0, const QWidget *w = 0, + QStyleHintReturn *shret = 0) const; + QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const; + QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc, + const QWidget *w = 0) const; + + // These functions are called from QApplication/QWidget. Be careful. + QStyle *baseStyle() const; + void repolish(QWidget *widget); + void repolish(QApplication *app); + + void unpolish(QWidget *widget); + void unpolish(QApplication *app); + + QStyle *base; + void ref() { ++refcount; } + void deref() { Q_ASSERT(refcount > 0); if (!--refcount) delete this; } + + void updateStyleSheetFont(QWidget* w) const; + void saveWidgetFont(QWidget* w, const QFont& font) const; + void clearWidgetFont(QWidget* w) const; + + bool styleSheetPalette(const QWidget* w, const QStyleOption* opt, QPalette* pal); + +protected Q_SLOTS: + QIcon standardIconImplementation(StandardPixmap standardIcon, const QStyleOption *opt = 0, + const QWidget *widget = 0) const; + int layoutSpacingImplementation(QSizePolicy::ControlType control1, + QSizePolicy::ControlType control2, + Qt::Orientation orientation, + const QStyleOption *option = 0, + const QWidget *widget = 0) const; + +protected: + bool event(QEvent *e); + +private: + int refcount; + + friend class QRenderRule; + int nativeFrameWidth(const QWidget *); + QRenderRule renderRule(const QWidget *, int, quint64 = 0) const; + QRenderRule renderRule(const QWidget *, const QStyleOption *, int = 0) const; + QSize defaultSize(const QWidget *, QSize, const QRect&, int) const; + QRect positionRect(const QWidget *, const QRenderRule&, const QRenderRule&, int, + const QRect&, Qt::LayoutDirection) const; + QRect positionRect(const QWidget *w, const QRenderRule &rule2, int pe, + const QRect &originRect, Qt::LayoutDirection dir) const; + + mutable QCss::Parser parser; + + void setPalette(QWidget *); + void unsetPalette(QWidget *); + void setProperties(QWidget *); + void setGeometry(QWidget *); + QVector<QCss::StyleRule> styleRules(const QWidget *w) const; + bool hasStyleRule(const QWidget *w, int part) const; + + QHash<QStyle::SubControl, QRect> titleBarLayout(const QWidget *w, const QStyleOptionTitleBar *tb) const; + + QCss::StyleSheet getDefaultStyleSheet() const; + + static Qt::Alignment resolveAlignment(Qt::LayoutDirection, Qt::Alignment); + static bool isNaturalChild(const QWidget *w); + bool initWidget(const QWidget *w) const; +public: + static int numinstances; + +private: + Q_DISABLE_COPY(QStyleSheetStyle) + Q_DECLARE_PRIVATE(QStyleSheetStyle) +}; + +class QStyleSheetStyleCaches : public QObject +{ + Q_OBJECT +public Q_SLOTS: + void widgetDestroyed(QObject *); + void styleDestroyed(QObject *); +public: + QHash<const QWidget *, QVector<QCss::StyleRule> > styleRulesCache; + QHash<const QWidget *, QHash<int, bool> > hasStyleRuleCache; + typedef QHash<int, QHash<quint64, QRenderRule> > QRenderRules; + QHash<const QWidget *, QRenderRules> renderRulesCache; + QHash<const QWidget *, QPalette> customPaletteWidgets; // widgets whose palette we tampered + QHash<const void *, QCss::StyleSheet> styleSheetCache; // parsed style sheets + QSet<const QWidget *> autoFillDisabledWidgets; +}; + + +QT_END_NAMESPACE +#endif // QT_NO_STYLE_STYLESHEET +#endif // QSTYLESHEETSTYLE_P_H |