QtStyleSheetStyle.h
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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CUSTOMSTYLESHEETSTYLE_H
#define CUSTOMSTYLESHEETSTYLE_H
#include <QStyleOption>
#include <QHash>
#include <QEvent>
#include <QVector>
#include <QApplication>
#include "CssParser.h"
#include <QBrush>
#include <QSet>
#include "CBaseStyle.h"
#include "qrenderrule.h"
class QAbstractScrollArea;
class QStyleSheetStylePrivate;
class QStyleOptionTitleBar;
class QtStyleSheetStyle : public CBaseStyle
{
typedef CBaseStyle ParentStyle;
Q_OBJECT
public:
QtStyleSheetStyle(QStyle *baseStyle = NULL);
~QtStyleSheetStyle();
void setRecursiveStyle(QWidget *_widget);
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);
void setStyleSheet(const QString stylesheet);
int nativeFrameWidth(const QWidget *);
QtCss::QRenderRule renderRule(const QWidget *, int, quint64 = 0) const;
QtCss::QRenderRule renderRule(const QWidget *, const QStyleOption *, int = 0) const;
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);
QVector<QtCss::Declaration> declarations(const QVector<QtCss::StyleRule> &styleRules, const QString &part, quint64 pseudoClass = QtCss::PseudoClass_Unspecified)const;
private:
int refcount;
friend class QtCss::QRenderRule;
QSize defaultSize(const QWidget *, QSize, const QRect&, int) const;
QRect positionRect(const QWidget *, const QtCss::QRenderRule&, const QtCss::QRenderRule&, int,
const QRect&, Qt::LayoutDirection) const;
QRect positionRect(const QWidget *w, const QtCss::QRenderRule&rule2, int pe,
const QRect &originRect, Qt::LayoutDirection dir) const;
mutable QtCss::Parser parser;
void setPalette(QWidget *);
void unsetPalette(QWidget *);
void setProperties(QWidget *);
void setGeometry(QWidget *);
QVector<QtCss::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;
// QtCss::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(QtStyleSheetStyle)
// Q_DECLARE_PRIVATE(QStyleSheetStyle)
enum {
windowsItemFrame = 2, // menu item frame width
windowsSepHeight = 9, // separator item height
windowsItemHMargin = 3, // menu item hor text margin
windowsItemVMargin = 2, // menu item ver text margin
windowsArrowHMargin = 6, // arrow horizontal margin
windowsRightBorder = 15, // right border on windows
windowsCheckMarkWidth = 12 // checkmarks width on windows
};
QString m_stylesheet;
};
typedef QSharedPointer<QtStyleSheetStyle> QtStyleSheetStylePtr;
class QStyleSheetStyleCaches : public QObject
{
Q_OBJECT
public Q_SLOTS:
void widgetDestroyed(QObject *o)
{
styleRulesCache.remove((const QWidget *)o);
hasStyleRuleCache.remove((const QWidget *)o);
renderRulesCache.remove((const QWidget *)o);
customPaletteWidgets.remove((const QWidget *)o);
styleSheetCache.remove((const QWidget *)o);
autoFillDisabledWidgets.remove((const QWidget *)o);
}
void styleDestroyed(QObject *o)
{
styleSheetCache.remove(o);
}
public:
QHash<const QWidget *, QVector<QtCss::StyleRule> > styleRulesCache;
QHash<const QWidget *, QHash<int, bool> > hasStyleRuleCache;
typedef QHash<int, QHash<quint64, QtCss::QRenderRule> > QRenderRules;
QHash<const QWidget *, QRenderRules> renderRulesCache;
QHash<const QWidget *, QPalette> customPaletteWidgets; // widgets whose palette we tampered
QHash<const void *, QtCss::StyleSheet> styleSheetCache; // parsed style sheets
QSet<const QWidget *> autoFillDisabledWidgets;
};
#endif // CUSTOMSTYLESHEETSTYLE_H