3rdlibrary / QtSs · Files

QtStyleSheetStyle.cpp 206 KB
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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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "QtStyleSheetStyle.h"

#include <qglobal.h>

#include "CssUtil.h"
#include <qdebug.h>
#include <qapplication.h>
#include <qmenu.h>
#include <qmenubar.h>
#include <qpainter.h>
#include <qstyleoption.h>
#include <qlineedit.h>
#include <qcombobox.h>
#include <qabstractscrollarea.h>
#include <qtooltip.h>
#include <qshareddata.h>
#include <qradiobutton.h>
#include <qtoolbutton.h>
#include <qscrollbar.h>
#include <qstring.h>
#include <qfile.h>
#include <qcheckbox.h>
#include <qstatusbar.h>
#include <qheaderview.h>
#include <qprogressbar.h>
#include <qtabbar.h>
#include <QMetaProperty>
#include <qmainwindow.h>
#include <qdockwidget.h>
#include <qmdisubwindow.h>
#include <qdialog.h>
//#include <private/qwidget_p.h>
#include <QAbstractSpinBox>
#include <QLabel>
#include "qdrawutil.h"

#include <QLineEdit>

#include <limits.h>
#include "qrenderrule.h"

using namespace QtCss;



static QStyleSheetStyleCaches *styleSheetCaches = 0;

/* RECURSION_GUARD:
 * the QStyleSheetStyle is a proxy. If used with others proxy style, we may end up with something like:
 * QStyleSheetStyle -> ProxyStyle -> QStyleSheetStyle -> OriginalStyle
 * Recursion may happen if the style call the widget()->style() again.
 * Not to mention the performence penalty of having two lookup of rules.
 *
 * The first instance of QStyleSheetStyle will set globalStyleSheetStyle to itself. The second one
 * will notice the globalStyleSheetStyle is not istelf and call its base style directly.
 */
static const QtStyleSheetStyle *globalStyleSheetStyle = 0;
class QtStyleSheetStyleRecursionGuard
{
public:
    QtStyleSheetStyleRecursionGuard(const QtStyleSheetStyle *that)
        :  guarded(globalStyleSheetStyle == 0)
    {
        if (guarded) globalStyleSheetStyle = that;
    }
    ~QtStyleSheetStyleRecursionGuard() { if (guarded) globalStyleSheetStyle = 0; }
    bool guarded;
};
#define RECURSION_GUARD(RETURN) \
    if (globalStyleSheetStyle != 0 && globalStyleSheetStyle != this) { RETURN; } \
    QtStyleSheetStyleRecursionGuard recursion_guard(this);

#define ceil(x) ((int)(x) + ((x) > 0 && (x) != (int)(x)))





namespace {
    struct ButtonInfo {
        QtCss::QRenderRule rule;
        int element;
        int offset;
        int where;
        int width;
    };
}

QHash<QStyle::SubControl, QRect> QtStyleSheetStyle::titleBarLayout(const QWidget *w, const QStyleOptionTitleBar *tb) const
{
    QHash<QStyle::SubControl, QRect> layoutRects;
    const bool isMinimized = tb->titleBarState & Qt::WindowMinimized;
    const bool isMaximized = tb->titleBarState & Qt::WindowMaximized;
    QtCss::QRenderRule subRule = renderRule(w, tb);
    QRect cr = subRule.contentsRect(tb->rect);
    QList<QVariant> layout = subRule.styleHint(QLatin1String("button-layout")).toList();
    if (layout.isEmpty())
        layout = subControlLayout(QLatin1String("I(T)HSmMX"));

    int offsets[3] = { 0, 0, 0 };
    enum Where { Left, Right, Center, NoWhere } where = Left;
    QVector<ButtonInfo> infos;
    const int numLayouts = layout.size();
    infos.reserve(numLayouts);
    for (int i = 0; i < numLayouts; i++) {
        const int element = layout[i].toInt();
        if (element == '(') {
            where = Center;
        } else if (element == ')') {
            where = Right;
        } else {
            ButtonInfo info;
            info.element = element;
            switch (element) {
            case PseudoElement_TitleBar:
                if (!(tb->titleBarFlags & (Qt::WindowTitleHint | Qt::WindowSystemMenuHint)))
                    continue;
                break;
            case PseudoElement_TitleBarContextHelpButton:
                if (!(tb->titleBarFlags & Qt::WindowContextHelpButtonHint))
                    continue;
                break;
            case PseudoElement_TitleBarMinButton:
                if (!(tb->titleBarFlags & Qt::WindowMinimizeButtonHint))
                    continue;
                if (isMinimized)
                    info.element = PseudoElement_TitleBarNormalButton;
                break;
            case PseudoElement_TitleBarMaxButton:
                if (!(tb->titleBarFlags & Qt::WindowMaximizeButtonHint))
                    continue;
                if (isMaximized)
                    info.element = PseudoElement_TitleBarNormalButton;
                break;
            case PseudoElement_TitleBarShadeButton:
                if (!(tb->titleBarFlags & Qt::WindowShadeButtonHint))
                    continue;
                if (isMinimized)
                    info.element = PseudoElement_TitleBarUnshadeButton;
                break;
            case PseudoElement_TitleBarCloseButton:
            case PseudoElement_TitleBarSysMenu:
                if (!(tb->titleBarFlags & Qt::WindowSystemMenuHint))
                    continue;
                break;
            default:
                continue;
            }
            if (info.element == PseudoElement_TitleBar) {
                info.width = tb->fontMetrics.width(tb->text) + 6;
                subRule.geo = new QStyleSheetGeometryData(info.width, tb->fontMetrics.height(), -1, -1, -1, -1);
            } else {
                subRule = renderRule(w, tb, info.element);
                info.width = subRule.size().width();
            }
            info.rule = subRule;
            info.offset = offsets[where];
            info.where = where;
            infos.append(info);

            offsets[where] += info.width;
        }
    }

    for (int i = 0; i < infos.count(); i++) {
        const ButtonInfo &info = infos[i];
        QRect lr = cr;
        switch (info.where) {
        case Center: {
            lr.setLeft(cr.left() + offsets[Left]);
            lr.setRight(cr.right() - offsets[Right]);
            QRect r(0, 0, offsets[Center], lr.height());
            r.moveCenter(lr.center());
            r.setLeft(r.left()+info.offset);
            r.setWidth(info.width);
            lr = r;
            break; }
        case Left:
            lr.translate(info.offset, 0);
            lr.setWidth(info.width);
            break;
        case Right:
            lr.moveLeft(cr.right() + 1 - offsets[Right] + info.offset);
            lr.setWidth(info.width);
            break;
        default:
            break;
        }
        QStyle::SubControl control = knownPseudoElements[info.element].subControl;
        layoutRects[control] = positionRect(w, info.rule, info.element, lr, tb->direction);
    }

    return layoutRects;
}

static QStyle::StandardPixmap subControlIcon(int pe)
{
    switch (pe) {
    case PseudoElement_MdiCloseButton: return QStyle::SP_TitleBarCloseButton;
    case PseudoElement_MdiMinButton: return QStyle::SP_TitleBarMinButton;
    case PseudoElement_MdiNormalButton: return QStyle::SP_TitleBarNormalButton;
    case PseudoElement_TitleBarCloseButton: return QStyle::SP_TitleBarCloseButton;
    case PseudoElement_TitleBarMinButton: return QStyle::SP_TitleBarMinButton;
    case PseudoElement_TitleBarMaxButton: return QStyle::SP_TitleBarMaxButton;
    case PseudoElement_TitleBarShadeButton: return QStyle::SP_TitleBarShadeButton;
    case PseudoElement_TitleBarUnshadeButton: return QStyle::SP_TitleBarUnshadeButton;
    case PseudoElement_TitleBarNormalButton: return QStyle::SP_TitleBarNormalButton;
    case PseudoElement_TitleBarContextHelpButton: return QStyle::SP_TitleBarContextHelpButton;
    default: break;
    }
    return QStyle::SP_CustomBase;
}



///////////////////////////////////////////////////////////////////////////////
// Style rules
#define WIDGET(x) (static_cast<QWidget *>(x.ptr))

static inline QWidget *parentWidget(const QWidget *w)
{
    if(qobject_cast<const QLabel *>(w) && qstrcmp(w->metaObject()->className(), "QTipLabel") == 0) {
        QWidget *p = qvariant_cast<QWidget *>(w->property("_q_stylesheet_parent"));
        if (p)
            return p;
    }
    return w->parentWidget();
}

class QStyleSheetStyleSelector : public StyleSelector
{
public:
    QStyleSheetStyleSelector() { }

    QStringList nodeNames(NodePtr node) const
    {
        if (isNullNode(node))
            return QStringList();
        const QMetaObject *metaObject = WIDGET(node)->metaObject();
#ifndef QT_NO_TOOLTIP
        if (qstrcmp(metaObject->className(), "QTipLabel") == 0)
            return QStringList(QLatin1String("QToolTip"));
#endif
        QStringList result;
        do {
            result += QString::fromLatin1(metaObject->className()).replace(QLatin1Char(':'), QLatin1Char('-'));
            metaObject = metaObject->superClass();
        } while (metaObject != 0);
        return result;
    }
    QString attribute(NodePtr node, const QString& name) const
    {
        if (isNullNode(node))
            return QString();

        QHash<QString, QString> &cache = m_attributeCache[WIDGET(node)];
//        QHash<QString, QString>::const_iterator cacheIt = cache.constFind(name);

//#warning BUDFIX
//        if (cacheIt != cache.constEnd()
//                && !WIDGET(node)->dynamicPropertyNames().contains(name.toLatin1())) {
////                return cacheIt.value();
//        }

//#warning FIX
        // ะ’ะพั‚ ั‚ัƒั‚ ะทะฝะฐั‡ะตะฝะธั ะฟั€ะพะฟะตั€ั‚ะตะน ะฑะตั€ัƒั‚ัŒัั ะธะท ะบะตัˆะฐ, ะฟั€ะพะฑะปะตะผะฐ ั ั‚ะตะผ ั‡ั‚ะพ
        // stylesheet ะฝะต ะฒะธะดะธั‚ ะบะฐะบะธะต ั‚ะพ ะธะท ะฝะตะพั‡ะธั‰ะฐัŽั‰ะตะณะพัั ะบะตัˆะฐ, ะฝะฐะฟั€ะธะผะตั€
        if (WIDGET(node)->metaObject()->className() == "QComboBox") {
            qDebug() << WIDGET(node)->metaObject()->className();
            qDebug() << WIDGET(node)->property(name.toLatin1());
            bool test = true;
        }

        QVariant value = WIDGET(node)->property(name.toLatin1());
        if (!value.isValid()) {
            if (name == QLatin1String("class")) {
                QString className = QString::fromLatin1(WIDGET(node)->metaObject()->className());
                if (className.contains(QLatin1Char(':')))
                    className.replace(QLatin1Char(':'), QLatin1Char('-'));
                cache[name] = className;
                return className;
            }
            else if (name == QLatin1String("style")) {
                QtStyleSheetStyle *proxy = qobject_cast<QtStyleSheetStyle *>(WIDGET(node)->style());
                if (proxy) {
                    QString styleName = QString::fromLatin1(proxy->baseStyle()->metaObject()->className());
                    cache[name] = styleName;
                    return styleName;
                }
            }
        }
        QString valueStr;
        if(value.type() == QVariant::StringList || value.type() == QVariant::List)
            valueStr = value.toStringList().join(QLatin1String(" "));
        else
            valueStr = value.toString();
        cache[name] = valueStr;
        return valueStr;
    }
    bool nodeNameEquals(NodePtr node, const QString& nodeName) const
    {
        if (isNullNode(node))
            return false;
        const QMetaObject *metaObject = WIDGET(node)->metaObject();
#ifndef QT_NO_TOOLTIP
        if (qstrcmp(metaObject->className(), "QTipLabel") == 0)
            return nodeName == QLatin1String("QToolTip");
#endif
        do {
            const ushort *uc = (const ushort *)nodeName.constData();
            const ushort *e = uc + nodeName.length();
            const uchar *c = (uchar *)metaObject->className();
            while (*c && uc != e && (*uc == *c || (*c == ':' && *uc == '-'))) {
                ++uc;
                ++c;
            }
            if (uc == e && !*c)
                return true;
            metaObject = metaObject->superClass();
        } while (metaObject != 0);
        return false;
    }
    bool hasAttributes(NodePtr) const
    { return true; }
    QStringList nodeIds(NodePtr node) const
    { return isNullNode(node) ? QStringList() : QStringList(WIDGET(node)->objectName()); }
    bool isNullNode(NodePtr node) const
    { return node.ptr == 0; }
    NodePtr parentNode(NodePtr node) const
    { NodePtr n; n.ptr = isNullNode(node) ? 0 : parentWidget(WIDGET(node)); return n; }
    NodePtr previousSiblingNode(NodePtr) const
    { NodePtr n; n.ptr = 0; return n; }
    NodePtr duplicateNode(NodePtr node) const
    { return node; }
    void freeNode(NodePtr) const
    { }

private:
    mutable QHash<const QWidget *, QHash<QString, QString> > m_attributeCache;
};

QVector<QtCss::StyleRule> QtStyleSheetStyle::styleRules(const QWidget *w) const
{
    QHash<const QWidget *, QVector<StyleRule> >::const_iterator cacheIt = styleSheetCaches->styleRulesCache.constFind(w);
    if (cacheIt != styleSheetCaches->styleRulesCache.constEnd())
        return cacheIt.value();

    if (!initWidget(w)) {
        return QVector<StyleRule>();
    }

    QStyleSheetStyleSelector styleSelector;

    StyleSheet defaultSs;
    QHash<const void *, StyleSheet>::const_iterator defaultCacheIt = styleSheetCaches->styleSheetCache.constFind(baseStyle());
    if (defaultCacheIt == styleSheetCaches->styleSheetCache.constEnd()) {
        parser.init(m_stylesheet, true);
        if (!parser.parse(&defaultSs)) {
            qWarning("Could not parse default stylesheet");
        }
        QStyle *bs = baseStyle();
        styleSheetCaches->styleSheetCache.insert(bs, defaultSs);
        QObject::connect(bs, SIGNAL(destroyed(QObject*)), styleSheetCaches, SLOT(styleDestroyed(QObject*)), Qt::UniqueConnection);
    } else {
        defaultSs = defaultCacheIt.value();
    }
    styleSelector.styleSheets += defaultSs;

    if (!m_stylesheet.isEmpty()) {
        StyleSheet appSs;
        QHash<const void *, StyleSheet>::const_iterator appCacheIt = styleSheetCaches->styleSheetCache.constFind(qApp);
        if (appCacheIt == styleSheetCaches->styleSheetCache.constEnd()) {
            QString ss = /*qApp->styleSheet()*/m_stylesheet;
            if (ss.startsWith(QLatin1String("file:///")))
                ss.remove(0, 8);
            parser.init(ss, /*qApp->styleSheet()*/m_stylesheet != ss);
            if (!parser.parse(&appSs))
                qWarning("Could not parse application stylesheet");
            appSs.origin = StyleSheetOrigin_Inline;
            appSs.depth = 1;
            styleSheetCaches->styleSheetCache.insert(qApp, appSs);
        } else {
            appSs = appCacheIt.value();
        }
        styleSelector.styleSheets += appSs;
    }

    QVector<QtCss::StyleSheet> widgetSs;
    for (const QWidget *wid = w; wid; wid = parentWidget(wid)) {
//#warning FIXME
        //FIXME ะฝะฐะฒะตั€ะฝะพะต, ะฒ ะพะฑั‰ะตะผ ะฟะพัะผะพั‚ั€ะตั‚ัŒ ะผะพะถะฝะพ ะปะธ ั‚ะฐะบ
        if (wid->styleSheet().isEmpty())
            continue;
        StyleSheet ss;
        QHash<const void *, StyleSheet>::const_iterator widCacheIt = styleSheetCaches->styleSheetCache.constFind(wid);
        if (widCacheIt == styleSheetCaches->styleSheetCache.constEnd()) {
            parser.init(wid->styleSheet());
            if (!parser.parse(&ss)) {
                parser.init(QLatin1String("* {") + wid->styleSheet() + QLatin1Char('}'));
                if (!parser.parse(&ss))
                    qWarning("Could not parse stylesheet of widget %p", wid);
            }
            ss.origin = StyleSheetOrigin_Inline;
            styleSheetCaches->styleSheetCache.insert(wid, ss);
        } else {
            ss = widCacheIt.value();
        }
        widgetSs.append(ss);
    }

    for (int i = 0; i < widgetSs.count(); i++)
        widgetSs[i].depth = widgetSs.count() - i + 2;

    styleSelector.styleSheets += widgetSs;

    StyleSelector::NodePtr n;
    n.ptr = (void *)w;
    QVector<QtCss::StyleRule> rules = styleSelector.styleRulesForNode(n);
    styleSheetCaches->styleRulesCache.insert(w, rules);
    return rules;
}

/////////////////////////////////////////////////////////////////////////////////////////
// Rendering rules

int QtStyleSheetStyle::nativeFrameWidth(const QWidget *w)
{

#ifndef QT_NO_FRAME
    if (const QFrame *frame = qobject_cast<const QFrame *>(w)) {
        if (frame->frameShape() == QFrame::NoFrame)
            return 0;
    }
#endif

    QStyle *base = baseStyle();
    if (base == NULL) {
        return 0;
    }

#ifndef QT_NO_SPINBOX
    if (qobject_cast<const QAbstractSpinBox *>(w))
        return base->pixelMetric(QStyle::PM_SpinBoxFrameWidth, 0, w);
#endif

#ifndef QT_NO_COMBOBOX
    if (qobject_cast<const QComboBox *>(w))
        return base->pixelMetric(QStyle::PM_ComboBoxFrameWidth, 0, w);
#endif

#ifndef QT_NO_MENU
    if (qobject_cast<const QMenu *>(w))
        return base->pixelMetric(QStyle::PM_MenuPanelWidth, 0, w);
#endif

#ifndef QT_NO_MENUBAR
    if (qobject_cast<const QMenuBar *>(w))
        return base->pixelMetric(QStyle::PM_MenuBarPanelWidth, 0, w);
#endif

    if (qstrcmp(w->metaObject()->className(), "QTipLabel") == 0 && baseStyle() != NULL)
        return baseStyle()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth, 0, w);

    if (baseStyle() != NULL) {
        return baseStyle()->pixelMetric(QStyle::PM_DefaultFrameWidth, 0, w);
    }

    return 0;
}

static quint64 pseudoClass(QStyle::State state)
{
    quint64 pc = 0;
    if (state & QStyle::State_Enabled) {
        pc |= PseudoClass_Enabled;
        if (state & QStyle::State_MouseOver)
            pc |= PseudoClass_Hover;
    } else {
        pc |= PseudoClass_Disabled;
    }
    if (state & QStyle::State_Active)
        pc |= PseudoClass_Active;
    if (state & QStyle::State_Window)
        pc |= PseudoClass_Window;
    if (state & QStyle::State_Sunken)
        pc |= PseudoClass_Pressed;
    if (state & QStyle::State_HasFocus)
        pc |= PseudoClass_Focus;
    if (state & QStyle::State_On)
        pc |= (PseudoClass_On | PseudoClass_Checked);
    if (state & QStyle::State_Off)
        pc |= (PseudoClass_Off | PseudoClass_Unchecked);
    if (state & QStyle::State_NoChange)
        pc |= PseudoClass_Indeterminate;
    if (state & QStyle::State_Selected)
        pc |= PseudoClass_Selected;
    if (state & QStyle::State_Horizontal)
        pc |= PseudoClass_Horizontal;
    else
        pc |= PseudoClass_Vertical;
    if (state & (QStyle::State_Open | QStyle::State_On | QStyle::State_Sunken))
        pc |= PseudoClass_Open;
    else
        pc |= PseudoClass_Closed;
    if (state & QStyle::State_Children)
        pc |= PseudoClass_Children;
    if (state & QStyle::State_Sibling)
        pc |= PseudoClass_Sibling;
    if (state & QStyle::State_ReadOnly)
        pc |= PseudoClass_ReadOnly;
    if (state & QStyle::State_Item)
        pc |= PseudoClass_Item;
#ifdef QT_KEYPAD_NAVIGATION
    if (state & QStyle::State_HasEditFocus)
        pc |= PseudoClass_EditFocus;
#endif
    return pc;
}

static void qt_check_if_internal_widget(const QWidget **w, int *element)
{
#ifdef QT_NO_DOCKWIDGET
    Q_UNUSED(w);
    Q_UNUSED(element);
#else
    if (*w && qstrcmp((*w)->metaObject()->className(), "QDockWidgetTitleButton") == 0) {
        if ((*w)->objectName() == QLatin1String("qt_dockwidget_closebutton")) {
            *element = PseudoElement_DockWidgetCloseButton;
        } else if ((*w)->objectName() == QLatin1String("qt_dockwidget_floatbutton")) {
            *element = PseudoElement_DockWidgetFloatButton;
        }
        *w = (*w)->parentWidget();
    }
#endif
}

QtCss::QRenderRule QtStyleSheetStyle::renderRule(const QWidget *w, int element, quint64 state) const
{
    qt_check_if_internal_widget(&w, &element);
    QHash<quint64, QtCss::QRenderRule> &cache = styleSheetCaches->renderRulesCache[w][element];
    QHash<quint64, QtCss::QRenderRule>::const_iterator cacheIt = cache.constFind(state);
    if (cacheIt != cache.constEnd())
        return cacheIt.value();

    if (!initWidget(w))
        return QtCss::QRenderRule();

    quint64 stateMask = 0;
    const QVector<StyleRule> rules = styleRules(w);
    for (int i = 0; i < rules.count(); i++) {
        const Selector& selector = rules.at(i).selectors.at(0);
        quint64 negated = 0;
        stateMask |= selector.pseudoClass(&negated);
        stateMask |= negated;
    }

    cacheIt = cache.constFind(state & stateMask);
    if (cacheIt != cache.constEnd()) {
        const QtCss::QRenderRule &newRule = cacheIt.value();
        cache[state] = newRule;
        return newRule;
    }


    const QString part = QLatin1String(knownPseudoElements[element].name);
    QVector<Declaration> decls = declarations(rules, part, state);
    QtCss::QRenderRule newRule(decls, w);
    cache[state] = newRule;
    if ((state & stateMask) != state)
        cache[state&stateMask] = newRule;
    return newRule;
}

QtCss::QRenderRule QtStyleSheetStyle::renderRule(const QWidget *w, const QStyleOption *opt, int pseudoElement) const
{
    quint64 extraClass = 0;
    QStyle::State state = opt ? opt->state : QStyle::State(QStyle::State_None);

    if (const QStyleOptionComplex *complex = qstyleoption_cast<const QStyleOptionComplex *>(opt)) {
        if (pseudoElement != PseudoElement_None) {
            // if not an active subcontrol, just pass enabled/disabled
            QStyle::SubControl subControl = knownPseudoElements[pseudoElement].subControl;

            if (!(complex->activeSubControls & subControl))
                state &= (QStyle::State_Enabled | QStyle::State_Horizontal | QStyle::State_HasFocus);
        }

        switch (pseudoElement) {
        case PseudoElement_ComboBoxDropDown:
        case PseudoElement_ComboBoxArrow:
            state |= (complex->state & (QStyle::State_On|QStyle::State_ReadOnly));
            break;
        case PseudoElement_SpinBoxUpButton:
        case PseudoElement_SpinBoxDownButton:
        case PseudoElement_SpinBoxUpArrow:
        case PseudoElement_SpinBoxDownArrow:
#ifndef QT_NO_SPINBOX
            if (const QStyleOptionSpinBox *sb = qstyleoption_cast<const QStyleOptionSpinBox *>(opt)) {
                bool on = false;
                bool up = pseudoElement == PseudoElement_SpinBoxUpButton
                        || pseudoElement == PseudoElement_SpinBoxUpArrow;
                if ((sb->stepEnabled & QAbstractSpinBox::StepUpEnabled) && up)
                    on = true;
                else if ((sb->stepEnabled & QAbstractSpinBox::StepDownEnabled) && !up)
                    on = true;
                state |= (on ? QStyle::State_On : QStyle::State_Off);
            }
#endif // QT_NO_SPINBOX
            break;
        case PseudoElement_GroupBoxTitle:
            state |= (complex->state & (QStyle::State_MouseOver | QStyle::State_Sunken));
            break;
        case PseudoElement_ToolButtonMenu:
        case PseudoElement_ToolButtonMenuArrow:
        case PseudoElement_ToolButtonDownArrow:
            state |= complex->state & QStyle::State_MouseOver;
            if (complex->state & QStyle::State_Sunken ||
                    complex->activeSubControls & QStyle::SC_ToolButtonMenu)
                state |= QStyle::State_Sunken;
            break;
        case PseudoElement_SliderGroove:
            state |= complex->state & QStyle::State_MouseOver;
            break;
        default:
            break;
        }

        if (const QStyleOptionComboBox *combo = qstyleoption_cast<const QStyleOptionComboBox *>(opt)) {
            // QStyle::State_On is set when the popup is being shown
            // Propagate EditField Pressed state
            if (pseudoElement == PseudoElement_None
                    && (complex->activeSubControls & QStyle::SC_ComboBoxEditField)
                    && (!(state & QStyle::State_MouseOver))) {
                state |= QStyle::State_Sunken;
            }

            if (!combo->frame)
                extraClass |= PseudoClass_Frameless;
            if (!combo->editable)
                extraClass |= PseudoClass_ReadOnly;
            else
                extraClass |= PseudoClass_Editable;
#ifndef QT_NO_SPINBOX
        } else if (const QStyleOptionSpinBox *spin = qstyleoption_cast<const QStyleOptionSpinBox *>(opt)) {
            if (!spin->frame)
                extraClass |= PseudoClass_Frameless;
#endif // QT_NO_SPINBOX
        } else if (const QStyleOptionGroupBox *gb = qstyleoption_cast<const QStyleOptionGroupBox *>(opt)) {
            if (gb->features & QStyleOptionFrameV2::Flat)
                extraClass |= PseudoClass_Flat;
            if (gb->lineWidth == 0)
                extraClass |= PseudoClass_Frameless;
        } else if (const QStyleOptionTitleBar *tb = qstyleoption_cast<const QStyleOptionTitleBar *>(opt)) {
            if (tb->titleBarState & Qt::WindowMinimized) {
                extraClass |= PseudoClass_Minimized;
            }
            else if (tb->titleBarState & Qt::WindowMaximized)
                extraClass |= PseudoClass_Maximized;
        }
    } else {
        // handle simple style options
        if (const QStyleOptionMenuItem *mi = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
            if (mi->menuItemType == QStyleOptionMenuItem::DefaultItem)
                extraClass |= PseudoClass_Default;
            if (mi->checkType == QStyleOptionMenuItem::Exclusive)
                extraClass |= PseudoClass_Exclusive;
            else if (mi->checkType == QStyleOptionMenuItem::NonExclusive)
                extraClass |= PseudoClass_NonExclusive;
            if (mi->checkType != QStyleOptionMenuItem::NotCheckable)
                extraClass |= (mi->checked) ? (PseudoClass_On|PseudoClass_Checked)
                                            : (PseudoClass_Off|PseudoClass_Unchecked);
        } else if (const QStyleOptionHeader *hdr = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
            if (hdr->position == QStyleOptionHeader::OnlyOneSection)
                extraClass |= PseudoClass_OnlyOne;
            else if (hdr->position == QStyleOptionHeader::Beginning)
                extraClass |= PseudoClass_First;
            else if (hdr->position == QStyleOptionHeader::End)
                extraClass |= PseudoClass_Last;
            else if (hdr->position == QStyleOptionHeader::Middle)
                extraClass |= PseudoClass_Middle;

            if (hdr->selectedPosition == QStyleOptionHeader::NextAndPreviousAreSelected)
                extraClass |= (PseudoClass_NextSelected | PseudoClass_PreviousSelected);
            else if (hdr->selectedPosition == QStyleOptionHeader::NextIsSelected)
                extraClass |= PseudoClass_NextSelected;
            else if (hdr->selectedPosition == QStyleOptionHeader::PreviousIsSelected)
                extraClass |= PseudoClass_PreviousSelected;
#ifndef QT_NO_TABWIDGET
        } else if (const QStyleOptionTabWidgetFrame *tab = qstyleoption_cast<const QStyleOptionTabWidgetFrame *>(opt)) {
            switch (tab->shape) {
            case QTabBar::RoundedNorth:
            case QTabBar::TriangularNorth:
                extraClass |= PseudoClass_Top;
                break;
            case QTabBar::RoundedSouth:
            case QTabBar::TriangularSouth:
                extraClass |= PseudoClass_Bottom;
                break;
            case QTabBar::RoundedEast:
            case QTabBar::TriangularEast:
                extraClass |= PseudoClass_Left;
                break;
            case QTabBar::RoundedWest:
            case QTabBar::TriangularWest:
                extraClass |= PseudoClass_Right;
                break;
            default:
                break;
            }
#endif
#ifndef QT_NO_TABBAR
        } else if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(opt)) {
            if (tab->position == QStyleOptionTab::OnlyOneTab)
                extraClass |= PseudoClass_OnlyOne;
            else if (tab->position == QStyleOptionTab::Beginning)
                extraClass |= PseudoClass_First;
            else if (tab->position == QStyleOptionTab::End)
                extraClass |= PseudoClass_Last;
            else if (tab->position == QStyleOptionTab::Middle)
                extraClass |= PseudoClass_Middle;

            if (tab->selectedPosition == QStyleOptionTab::NextIsSelected)
                extraClass |= PseudoClass_NextSelected;
            else if (tab->selectedPosition == QStyleOptionTab::PreviousIsSelected)
                extraClass |= PseudoClass_PreviousSelected;

            switch (tab->shape) {
            case QTabBar::RoundedNorth:
            case QTabBar::TriangularNorth:
                extraClass |= PseudoClass_Top;
                break;
            case QTabBar::RoundedSouth:
            case QTabBar::TriangularSouth:
                extraClass |= PseudoClass_Bottom;
                break;
            case QTabBar::RoundedEast:
            case QTabBar::TriangularEast:
                extraClass |= PseudoClass_Left;
                break;
            case QTabBar::RoundedWest:
            case QTabBar::TriangularWest:
                extraClass |= PseudoClass_Right;
                break;
            default:
                break;
            }
#endif // QT_NO_TABBAR
        } else if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
            if (btn->features & QStyleOptionButton::Flat)
                extraClass |= PseudoClass_Flat;
            if (btn->features & QStyleOptionButton::DefaultButton)
                extraClass |= PseudoClass_Default;
        } else if (const QStyleOptionFrame *frm = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
            if (frm->lineWidth == 0)
                extraClass |= PseudoClass_Frameless;
            if (const QStyleOptionFrameV2 *frame2 = qstyleoption_cast<const QStyleOptionFrameV2 *>(opt)) {
                if (frame2->features & QStyleOptionFrameV2::Flat)
                    extraClass |= PseudoClass_Flat;
            }
        }
#ifndef QT_NO_TOOLBAR
        else if (const QStyleOptionToolBar *tb = qstyleoption_cast<const QStyleOptionToolBar *>(opt)) {
            if (tb->toolBarArea == Qt::LeftToolBarArea)
                extraClass |= PseudoClass_Left;
            else if (tb->toolBarArea == Qt::RightToolBarArea)
                extraClass |= PseudoClass_Right;
            else if (tb->toolBarArea == Qt::TopToolBarArea)
                extraClass |= PseudoClass_Top;
            else if (tb->toolBarArea == Qt::BottomToolBarArea)
                extraClass |= PseudoClass_Bottom;

            if (tb->positionWithinLine == QStyleOptionToolBar::Beginning)
                extraClass |= PseudoClass_First;
            else if (tb->positionWithinLine == QStyleOptionToolBar::Middle)
                extraClass |= PseudoClass_Middle;
            else if (tb->positionWithinLine == QStyleOptionToolBar::End)
                extraClass |= PseudoClass_Last;
            else if (tb->positionWithinLine == QStyleOptionToolBar::OnlyOne)
                extraClass |= PseudoClass_OnlyOne;
        }
#endif // QT_NO_TOOLBAR
#ifndef QT_NO_TOOLBOX
        else if (const QStyleOptionToolBoxV2 *tab = qstyleoption_cast<const QStyleOptionToolBoxV2 *>(opt)) {
            if (tab->position == QStyleOptionToolBoxV2::OnlyOneTab)
                extraClass |= PseudoClass_OnlyOne;
            else if (tab->position == QStyleOptionToolBoxV2::Beginning)
                extraClass |= PseudoClass_First;
            else if (tab->position == QStyleOptionToolBoxV2::End)
                extraClass |= PseudoClass_Last;
            else if (tab->position == QStyleOptionToolBoxV2::Middle)
                extraClass |= PseudoClass_Middle;

            if (tab->selectedPosition == QStyleOptionToolBoxV2::NextIsSelected)
                extraClass |= PseudoClass_NextSelected;
            else if (tab->selectedPosition == QStyleOptionToolBoxV2::PreviousIsSelected)
                extraClass |= PseudoClass_PreviousSelected;
        }
#endif // QT_NO_TOOLBOX
#ifndef QT_NO_DOCKWIDGET
        else if (const QStyleOptionDockWidgetV2 *dw = qstyleoption_cast<const QStyleOptionDockWidgetV2 *>(opt)) {
            if (dw->verticalTitleBar)
                extraClass |= PseudoClass_Vertical;
            else
                extraClass |= PseudoClass_Horizontal;
            if (dw->closable)
                extraClass |= PseudoClass_Closable;
            if (dw->floatable)
                extraClass |= PseudoClass_Floatable;
            if (dw->movable)
                extraClass |= PseudoClass_Movable;
        }
#endif // QT_NO_DOCKWIDGET
#ifndef QT_NO_ITEMVIEWS
        else if (const QStyleOptionViewItemV2 *v2 = qstyleoption_cast<const QStyleOptionViewItemV2 *>(opt)) {
            if (v2->features & QStyleOptionViewItemV2::Alternate)
                extraClass |= PseudoClass_Alternate;
            if (const QStyleOptionViewItemV4 *v4 = qstyleoption_cast<const QStyleOptionViewItemV4 *>(opt)) {
                if (v4->viewItemPosition == QStyleOptionViewItemV4::OnlyOne)
                    extraClass |= PseudoClass_OnlyOne;
                else if (v4->viewItemPosition == QStyleOptionViewItemV4::Beginning)
                    extraClass |= PseudoClass_First;
                else if (v4->viewItemPosition == QStyleOptionViewItemV4::End)
                    extraClass |= PseudoClass_Last;
                else if (v4->viewItemPosition == QStyleOptionViewItemV4::Middle)
                    extraClass |= PseudoClass_Middle;
            }
        }
#endif
#ifndef QT_NO_LINEEDIT
        // LineEdit sets Sunken flag to indicate Sunken frame (argh)
        if (const QLineEdit *lineEdit = qobject_cast<const QLineEdit *>(w)) {
            state &= ~QStyle::State_Sunken;
            if (lineEdit->hasFrame()) {
                extraClass &= ~PseudoClass_Frameless;
            } else {
                extraClass |= PseudoClass_Frameless;
            }
        } else
#endif
            if (const QFrame *frm = qobject_cast<const QFrame *>(w)) {
                if (frm->lineWidth() == 0)
                    extraClass |= PseudoClass_Frameless;
            }
    }

    return renderRule(w, pseudoElement, pseudoClass(state) | extraClass);
}

QVector<Declaration> QtStyleSheetStyle::declarations(const QVector<StyleRule> &styleRules, const QString &part, quint64 pseudoClass) const
{
    QVector<Declaration> decls;
    for (int i = 0; i < styleRules.count(); i++) {
        const Selector& selector = styleRules.at(i).selectors.at(0);
        // Rules with pseudo elements don't cascade. This is an intentional
        // diversion for CSS
        if (part.compare(selector.pseudoElement(), Qt::CaseInsensitive) != 0)
            continue;
        quint64 negated = 0;
        quint64 cssClass = selector.pseudoClass(&negated);
        if ((pseudoClass == PseudoClass_Any) || (cssClass == PseudoClass_Unspecified)
                || ((((cssClass & pseudoClass) == cssClass)) && ((negated & pseudoClass) == 0)))
            decls += styleRules.at(i).declarations;
    }
    return decls;
}



bool QtStyleSheetStyle::hasStyleRule(const QWidget *w, int part) const
{
    QHash<int, bool> &cache = styleSheetCaches->hasStyleRuleCache[w];
    QHash<int, bool>::const_iterator cacheIt = cache.constFind(part);
    if (cacheIt != cache.constEnd())
        return cacheIt.value();

    if (!initWidget(w))
        return false;


    const QVector<StyleRule> &rules = styleRules(w);
    if (part == PseudoElement_None) {
        bool result = w && !rules.isEmpty();
        cache[part] = result;
        return result;
    }

    QString pseudoElement = QLatin1String(knownPseudoElements[part].name);
    for (int i = 0; i < rules.count(); i++) {
        const Selector& selector = rules.at(i).selectors.at(0);
        if (pseudoElement.compare(selector.pseudoElement(), Qt::CaseInsensitive) == 0) {
            cache[part] = true;
            return true;
        }
    }

    cache[part] = false;
    return false;
}

static Origin defaultOrigin(int pe)
{
    switch (pe) {
    case PseudoElement_ScrollBarAddPage:
    case PseudoElement_ScrollBarSubPage:
    case PseudoElement_ScrollBarAddLine:
    case PseudoElement_ScrollBarSubLine:
    case PseudoElement_ScrollBarFirst:
    case PseudoElement_ScrollBarLast:
    case PseudoElement_GroupBoxTitle:
    case PseudoElement_GroupBoxIndicator: // never used
    case PseudoElement_ToolButtonMenu:
    case PseudoElement_SliderAddPage:
    case PseudoElement_SliderSubPage:
        return Origin_Border;

    case PseudoElement_SpinBoxUpButton:
    case PseudoElement_SpinBoxDownButton:
    case PseudoElement_PushButtonMenuIndicator:
    case PseudoElement_ComboBoxDropDown:
    case PseudoElement_ToolButtonDownArrow:
    case PseudoElement_MenuCheckMark:
    case PseudoElement_MenuIcon:
    case PseudoElement_MenuRightArrow:
        return Origin_Padding;

    case PseudoElement_Indicator:
    case PseudoElement_ExclusiveIndicator:
    case PseudoElement_ComboBoxArrow:
    case PseudoElement_ScrollBarSlider:
    case PseudoElement_ScrollBarUpArrow:
    case PseudoElement_ScrollBarDownArrow:
    case PseudoElement_ScrollBarLeftArrow:
    case PseudoElement_ScrollBarRightArrow:
    case PseudoElement_SpinBoxUpArrow:
    case PseudoElement_SpinBoxDownArrow:
    case PseudoElement_ToolButtonMenuArrow:
    case PseudoElement_HeaderViewUpArrow:
    case PseudoElement_HeaderViewDownArrow:
    case PseudoElement_SliderGroove:
    case PseudoElement_SliderHandle:
        return Origin_Content;

    default:
        return Origin_Margin;
    }
}

static Qt::Alignment defaultPosition(int pe)
{
    switch (pe) {
    case PseudoElement_Indicator:
    case PseudoElement_ExclusiveIndicator:
    case PseudoElement_MenuCheckMark:
    case PseudoElement_MenuIcon:
        return Qt::AlignLeft | Qt::AlignVCenter;

    case PseudoElement_ScrollBarAddLine:
    case PseudoElement_ScrollBarLast:
    case PseudoElement_SpinBoxDownButton:
    case PseudoElement_PushButtonMenuIndicator:
    case PseudoElement_ToolButtonDownArrow:
        return Qt::AlignRight | Qt::AlignBottom;

    case PseudoElement_ScrollBarSubLine:
    case PseudoElement_ScrollBarFirst:
    case PseudoElement_SpinBoxUpButton:
    case PseudoElement_ComboBoxDropDown:
    case PseudoElement_ToolButtonMenu:
    case PseudoElement_DockWidgetCloseButton:
    case PseudoElement_DockWidgetFloatButton:
        return Qt::AlignRight | Qt::AlignTop;

    case PseudoElement_ScrollBarUpArrow:
    case PseudoElement_ScrollBarDownArrow:
    case PseudoElement_ScrollBarLeftArrow:
    case PseudoElement_ScrollBarRightArrow:
    case PseudoElement_SpinBoxUpArrow:
    case PseudoElement_SpinBoxDownArrow:
    case PseudoElement_ComboBoxArrow:
    case PseudoElement_DownArrow:
    case PseudoElement_ToolButtonMenuArrow:
    case PseudoElement_SliderGroove:
        return Qt::AlignCenter;

    case PseudoElement_GroupBoxTitle:
    case PseudoElement_GroupBoxIndicator: // never used
        return Qt::AlignLeft | Qt::AlignTop;

    case PseudoElement_HeaderViewUpArrow:
    case PseudoElement_HeaderViewDownArrow:
    case PseudoElement_MenuRightArrow:
        return Qt::AlignRight | Qt::AlignVCenter;

    default:
        return 0;
    }
}

QSize QtStyleSheetStyle::defaultSize(const QWidget *w, QSize sz, const QRect& rect, int pe) const
{
    QStyle *base = baseStyle();

    switch (pe) {
    case PseudoElement_Indicator:
    case PseudoElement_MenuCheckMark:
        if (base == NULL) {
            break;
        }
        if (sz.width() == -1)
            sz.setWidth(base->pixelMetric(PM_IndicatorWidth, 0, w));
        if (sz.height() == -1)
            sz.setHeight(base->pixelMetric(PM_IndicatorHeight, 0, w));
        break;

    case PseudoElement_ExclusiveIndicator:
    case PseudoElement_GroupBoxIndicator:
        if (base == NULL) {
            break;
        }
        if (sz.width() == -1)
            sz.setWidth(base->pixelMetric(PM_ExclusiveIndicatorWidth, 0, w));
        if (sz.height() == -1)
            sz.setHeight(base->pixelMetric(PM_ExclusiveIndicatorHeight, 0, w));
        break;

    case PseudoElement_PushButtonMenuIndicator: {
        if (base == NULL) {
            break;
        }

        int pm = base->pixelMetric(PM_MenuButtonIndicator, 0, w);
        if (sz.width() == -1)
            sz.setWidth(pm);
        if (sz.height() == -1)
            sz.setHeight(pm);
    }
        break;

    case PseudoElement_ComboBoxDropDown:
        if (sz.width() == -1)
            sz.setWidth(16);
        break;

    case PseudoElement_ComboBoxArrow:
    case PseudoElement_DownArrow:
    case PseudoElement_ToolButtonMenuArrow:
    case PseudoElement_ToolButtonDownArrow:
    case PseudoElement_MenuRightArrow:
        if (sz.width() == -1)
            sz.setWidth(13);
        if (sz.height() == -1)
            sz.setHeight(13);
        break;

    case PseudoElement_SpinBoxUpButton:
    case PseudoElement_SpinBoxDownButton:
        if (sz.width() == -1)
            sz.setWidth(16);
        if (sz.height() == -1)
            sz.setHeight(rect.height()/2);
        break;

    case PseudoElement_ToolButtonMenu:
        if (base == NULL) {
            break;
        }

        if (sz.width() == -1)
            sz.setWidth(base->pixelMetric(PM_MenuButtonIndicator, 0, w));
        break;

    case PseudoElement_HeaderViewUpArrow:
    case PseudoElement_HeaderViewDownArrow: {
        if (base == NULL) {
            break;
        }
        int pm = base->pixelMetric(PM_HeaderMargin, 0, w);
        if (sz.width() == -1)
            sz.setWidth(pm);
        if (sz.height() == 1)
            sz.setHeight(pm);
        break;
    }

    case PseudoElement_ScrollBarFirst:
    case PseudoElement_ScrollBarLast:
    case PseudoElement_ScrollBarAddLine:
    case PseudoElement_ScrollBarSubLine:
    case PseudoElement_ScrollBarSlider: {
        int pm = pixelMetric(QStyle::PM_ScrollBarExtent, 0, w);
        if (sz.width() == -1)
            sz.setWidth(pm);
        if (sz.height() == -1)
            sz.setHeight(pm);
        break;
    }

    case PseudoElement_DockWidgetCloseButton:
    case PseudoElement_DockWidgetFloatButton: {
        int iconSize = pixelMetric(PM_SmallIconSize, 0, w);
        return QSize(iconSize, iconSize);
    }

    default:
        break;
    }

    // expand to rectangle
    if (sz.height() == -1)
        sz.setHeight(rect.height());
    if (sz.width() == -1)
        sz.setWidth(rect.width());

    return sz;
}

static PositionMode defaultPositionMode(int pe)
{
    switch (pe) {
    case PseudoElement_ScrollBarFirst:
    case PseudoElement_ScrollBarLast:
    case PseudoElement_ScrollBarAddLine:
    case PseudoElement_ScrollBarSubLine:
    case PseudoElement_ScrollBarAddPage:
    case PseudoElement_ScrollBarSubPage:
    case PseudoElement_ScrollBarSlider:
    case PseudoElement_SliderGroove:
    case PseudoElement_SliderHandle:
    case PseudoElement_TabWidgetPane:
        return PositionMode_Absolute;
    default:
        return PositionMode_Static;
    }
}

QRect QtStyleSheetStyle::positionRect(const QWidget *w, const QtCss::QRenderRule &rule2, int pe,
                                          const QRect &originRect, Qt::LayoutDirection dir) const
{
    const QStyleSheetPositionData *p = rule2.position();
    PositionMode mode = (p && p->mode != PositionMode_Unknown) ? p->mode : defaultPositionMode(pe);
    Qt::Alignment position = (p && p->position != 0) ? p->position : defaultPosition(pe);
    QRect r;

    if (mode != PositionMode_Absolute) {
        QSize sz = defaultSize(w, rule2.size(), originRect, pe);
        sz = sz.expandedTo(rule2.minimumContentsSize());
        r = QStyle::alignedRect(dir, position, sz, originRect);
        if (p) {
            int left = p->left ? p->left : -p->right;
            int top = p->top ? p->top : -p->bottom;
            r.translate(dir == Qt::LeftToRight ? left : -left, top);
        }
    } else {
        r = p ? originRect.adjusted(dir == Qt::LeftToRight ? p->left : p->right, p->top,
                                    dir == Qt::LeftToRight ? -p->right : -p->left, -p->bottom)
              : originRect;
        if (rule2.hasContentsSize()) {
            QSize sz = rule2.size().expandedTo(rule2.minimumContentsSize());
            if (sz.width() == -1) sz.setWidth(r.width());
            if (sz.height() == -1) sz.setHeight(r.height());
            r = QStyle::alignedRect(dir, position, sz, r);
        }
    }
    return r;
}

QRect QtStyleSheetStyle::positionRect(const QWidget *w, const QtCss::QRenderRule& rule1, const QtCss::QRenderRule& rule2, int pe,
                                          const QRect& rect, Qt::LayoutDirection dir) const
{
    const QStyleSheetPositionData *p = rule2.position();
    Origin origin = (p && p->origin != Origin_Unknown) ? p->origin : defaultOrigin(pe);
    QRect originRect = rule1.originRect(rect, origin);
    return positionRect(w, rule2, pe, originRect, dir);
}


/** \internal
   For widget that have an embedded widget (such as combobox) return that embedded widget.
   otherwise return the widget itself
 */
static QWidget *embeddedWidget(QWidget *w)
{
#ifndef QT_NO_COMBOBOX
    if (QComboBox *cmb = qobject_cast<QComboBox *>(w)) {
        if (cmb->isEditable())
            return cmb->lineEdit();
        else
            return cmb;
    }
#endif

#ifndef QT_NO_SPINBOX
    if (QAbstractSpinBox *sb = qobject_cast<QAbstractSpinBox *>(w))
        return sb->findChild<QLineEdit *>();
#endif

#ifndef QT_NO_SCROLLAREA
    if (QAbstractScrollArea *sa = qobject_cast<QAbstractScrollArea *>(w))
        return sa->viewport();
#endif

    return w;
}

/** \internal
  in case w is an embedded widget, return the container widget
  (i.e, the widget for which the rules actualy apply)
  (exemple, if w is a lineedit embedded in a combobox, return the combobox)

  if w is not embedded, return w itself
*/
static QWidget *containerWidget(const QWidget *w)
{
#ifndef QT_NO_LINEEDIT
    if (qobject_cast<const QLineEdit *>(w)) {
        //if the QLineEdit is an embeddedWidget, we need the rule of the real widget
#ifndef QT_NO_COMBOBOX
        if (qobject_cast<const QComboBox *>(w->parentWidget()))
            return w->parentWidget();
#endif
#ifndef QT_NO_SPINBOX
        if (qobject_cast<const QAbstractSpinBox *>(w->parentWidget()))
            return w->parentWidget();
#endif
    }
#endif // QT_NO_LINEEDITp

#ifndef QT_NO_SCROLLAREA
    if (const QAbstractScrollArea *sa = qobject_cast<const QAbstractScrollArea *>(w->parentWidget())) {
        if (sa->viewport() == w)
            return w->parentWidget();
    }
#endif

    return const_cast<QWidget *>(w);
}

/** \internal
    returns true if the widget can NOT be styled directly
 */
static bool unstylable(const QWidget *w)
{
    if (w->windowType() == Qt::Desktop)
        return true;

    if (!w->styleSheet().isEmpty())
        return false;

//#warning oops
    // ั‚ัƒั‚ ั€ะฐะฝัŒัˆะต ะฑั‹ะปะพ ะทะฐะบะพะผะตะฝั‚ะธั€ะพะฒะฐะฝะพ ัƒัะปะพะฒะธะต
    if (containerWidget(w) != w)
        return true;

#ifndef QT_NO_FRAME
    // detect QComboBoxPrivateContainer
    else if (qobject_cast<const QFrame *>(w)) {
        if (0
        #ifndef QT_NO_COMBOBOX
                || qobject_cast<const QComboBox *>(w->parentWidget())
        #endif
                )
            return true;
    }
#endif

#ifndef QT_NO_TABBAR
    if (w->metaObject() == &QWidget::staticMetaObject
            && qobject_cast<const QTabBar*>(w->parentWidget()))
        return true; // The moving tab of a QTabBar
#endif

    return false;
}

static quint64 extendedPseudoClass(const QWidget *w)
{
    quint64 pc = w->isWindow() ? quint64(PseudoClass_Window) : 0;
    if (const QAbstractSlider *slider = qobject_cast<const QAbstractSlider *>(w)) {
        pc |= ((slider->orientation() == Qt::Vertical) ? PseudoClass_Vertical : PseudoClass_Horizontal);
    } else
#ifndef QT_NO_COMBOBOX
        if (const QComboBox *combo = qobject_cast<const QComboBox *>(w)) {
            if (combo->isEditable())
                pc |= (combo->isEditable() ? PseudoClass_Editable : PseudoClass_ReadOnly);
        } else
#endif
#ifndef QT_NO_LINEEDIT
            if (const QLineEdit *edit = qobject_cast<const QLineEdit *>(w)) {
                pc |= (edit->isReadOnly() ? PseudoClass_ReadOnly : PseudoClass_Editable);
            } else
#endif
            { } // required for the above ifdef'ery to work
    return pc;
}

// sets up the geometry of the widget. We set a dynamic property when
// we modify the min/max size of the widget. The min/max size is restored
// to their original value when a new stylesheet that does not contain
// the CSS properties is set and when the widget has this dynamic property set.
// This way we don't trample on users who had setup a min/max size in code and
// don't use stylesheets at all.
void QtStyleSheetStyle::setGeometry(QWidget *w)
{
    QtCss::QRenderRule rule = renderRule(w, PseudoElement_None, PseudoClass_Enabled | extendedPseudoClass(w));
    const QStyleSheetGeometryData *geo = rule.geometry();
    if (w->property("_q_stylesheet_minw").toBool()
            && ((!rule.hasGeometry() || geo->minWidth == -1))) {
        w->setMinimumWidth(0);
        w->setProperty("_q_stylesheet_minw", QVariant());
    }
    if (w->property("_q_stylesheet_minh").toBool()
            && ((!rule.hasGeometry() || geo->minHeight == -1))) {
        w->setMinimumHeight(0);
        w->setProperty("_q_stylesheet_minh", QVariant());
    }
    if (w->property("_q_stylesheet_maxw").toBool()
            && ((!rule.hasGeometry() || geo->maxWidth == -1))) {
        w->setMaximumWidth(QWIDGETSIZE_MAX);
        w->setProperty("_q_stylesheet_maxw", QVariant());
    }
    if (w->property("_q_stylesheet_maxh").toBool()
            && ((!rule.hasGeometry() || geo->maxHeight == -1))) {
        w->setMaximumHeight(QWIDGETSIZE_MAX);
        w->setProperty("_q_stylesheet_maxh", QVariant());
    }


    if (rule.hasGeometry()) {
        if (geo->minWidth != -1) {
            w->setProperty("_q_stylesheet_minw", true);
            w->setMinimumWidth(rule.boxSize(QSize(qMax(geo->width, geo->minWidth), 0)).width());
        }
        if (geo->minHeight != -1) {
            w->setProperty("_q_stylesheet_minh", true);
            w->setMinimumHeight(rule.boxSize(QSize(0, qMax(geo->height, geo->minHeight))).height());
        }
        if (geo->maxWidth != -1) {
            w->setProperty("_q_stylesheet_maxw", true);
            w->setMaximumWidth(rule.boxSize(QSize(qMin(geo->width == -1 ? QWIDGETSIZE_MAX : geo->width,
                                                       geo->maxWidth == -1 ? QWIDGETSIZE_MAX : geo->maxWidth), 0)).width());
        }
        if (geo->maxHeight != -1) {
            w->setProperty("_q_stylesheet_maxh", true);
            w->setMaximumHeight(rule.boxSize(QSize(0, qMin(geo->height == -1 ? QWIDGETSIZE_MAX : geo->height,
                                                           geo->maxHeight == -1 ? QWIDGETSIZE_MAX : geo->maxHeight))).height());
        }
    }
}

//#warning QT5
void QtStyleSheetStyle::setProperties(QWidget *w)
{
    // The final occurrence of each property is authoritative.
    // Set value for each property in the order of property final occurrence
    // since properties interact.

    const QVector<Declaration> decls = declarations(styleRules(w), QString());
    QVector<int> finals; // indices in reverse order of each property's final occurrence

    {
        // scan decls for final occurrence of each "qproperty"
        QSet<const QString> propertySet;
        for (int i = decls.count() - 1; i >= 0; --i) {
            const QString property = decls.at(i).d->property;
            if (!property.startsWith(QLatin1String("qproperty-"), Qt::CaseInsensitive))
                continue;
            if (!propertySet.contains(property)) {
                propertySet.insert(property);
                finals.append(i);
            }
        }
    }

    for (int i = finals.count() - 1; i >= 0; --i) {
        const Declaration &decl = decls.at(finals[i]);
        QString property = decl.d->property;
        property.remove(0, 10); // strip "qproperty-"

        const QMetaObject *metaObject = w->metaObject();
        int index = metaObject->indexOfProperty(property.toLatin1());
        if (index == -1) {
            qWarning() << w << " does not have a property named " << property;
            continue;
        }
        const QMetaProperty metaProperty = metaObject->property(index);
        if (!metaProperty.isWritable() || !metaProperty.isDesignable()) {
            qWarning() << w << " cannot design property named " << property;
            continue;
        }

        QVariant v;
        const QVariant value = w->property(property.toLatin1());
        switch (value.type()) {
        case QVariant::Icon: v = decl.iconValue(); break;
        case QVariant::Image: v = QImage(decl.uriValue()); break;
        case QVariant::Pixmap: v = QPixmap(decl.uriValue()); break;
        case QVariant::Rect: v = decl.rectValue(); break;
        case QVariant::Size: v = decl.sizeValue(); break;
        case QVariant::Color: v = decl.colorValue(); break;
        case QVariant::Brush: v = decl.brushValue(); break;
#ifndef QT_NO_SHORTCUT
        case QVariant::KeySequence: v = QKeySequence(decl.d->values.at(0).variant.toString()); break;
#endif
        default: v = decl.d->values.at(0).variant; break;
        }

        w->setProperty(property.toLatin1(), v);
    }
}


//void CustomStyleSheetStyle::setProperties(QWidget *w)
//{
//    QHash<QString, QVariant> propertyHash;
//    QVector<Declaration> decls = declarations(styleRules(w), QString());

//    // run through the declarations in order
//    for (int i = 0; i < decls.count(); i++) {
//        const Declaration &decl = decls.at(i);
//        QString property = decl.d->property;
//        if (!property.startsWith(QLatin1String("qproperty-"), Qt::CaseInsensitive))
//            continue;
//        property.remove(0, 10); // strip "qproperty-"
//        const QVariant value = w->property(property.toLatin1());
//        const QMetaObject *metaObject = w->metaObject();
//        int index = metaObject->indexOfProperty(property.toLatin1());
//        if (index == -1) {
//            qWarning() << w << " does not have a property named " << property;
//            continue;
//        }
//        QMetaProperty metaProperty = metaObject->property(index);
//        if (!metaProperty.isWritable() || !metaProperty.isDesignable()) {
//            qWarning() << w << " cannot design property named " << property;
//            continue;
//        }
//        QVariant v;
//        switch (value.type()) {
//        case QVariant::Icon: v = decl.iconValue(); break;
//        case QVariant::Image: v = QImage(decl.uriValue()); break;
//        case QVariant::Pixmap: v = QPixmap(decl.uriValue()); break;
//        case QVariant::Rect: v = decl.rectValue(); break;
//        case QVariant::Size: v = decl.sizeValue(); break;
//        case QVariant::Color: v = decl.colorValue(); break;
//        case QVariant::Brush: v = decl.brushValue(); break;
//#ifndef QT_NO_SHORTCUT
//        case QVariant::KeySequence: v = QKeySequence(decl.d->values.at(0).variant.toString()); break;
//#endif
//        default: v = decl.d->values.at(0).variant; break;
//        }
//        propertyHash[property] = v;
//    }
//    // apply the values
//    const QList<QString> properties = propertyHash.keys();
//    for (int i = 0; i < properties.count(); i++) {
//        const QString &property = properties.at(i);
//        w->setProperty(property.toLatin1(), propertyHash[property]);
//    }
//}

void QtStyleSheetStyle::setPalette(QWidget *w)
{
    struct RuleRoleMap {
        int state;
        QPalette::ColorGroup group;
    } map[3] = {
    { int(PseudoClass_Active | PseudoClass_Enabled), QPalette::Active },
    { PseudoClass_Disabled, QPalette::Disabled },
    { PseudoClass_Enabled, QPalette::Inactive }
};

    QPalette p = w->palette();
    QWidget *ew = embeddedWidget(w);

    for (int i = 0; i < 3; i++) {
        QtCss::QRenderRule rule = renderRule(w, PseudoElement_None, map[i].state | extendedPseudoClass(w));
        if (i == 0) {
            if (!w->property("_q_styleSheetWidgetFont").isValid()) {
                saveWidgetFont(w, w->font());
            }
            updateStyleSheetFont(w);
            if (ew != w)
                updateStyleSheetFont(ew);
        }

        rule.configurePalette(&p, map[i].group, ew, ew != w);
    }

    styleSheetCaches->customPaletteWidgets.insert(w, w->palette());
    w->setPalette(p);
    if (ew != w)
        ew->setPalette(p);
}

void QtStyleSheetStyle::unsetPalette(QWidget *w)
{
    if (styleSheetCaches->customPaletteWidgets.contains(w)) {
        QPalette p = styleSheetCaches->customPaletteWidgets.value(w);
        w->setPalette(p);
        QWidget *ew = embeddedWidget(w);
        if (ew != w)
            ew->setPalette(p);
        styleSheetCaches->customPaletteWidgets.remove(w);
    }
    QVariant oldFont = w->property("_q_styleSheetWidgetFont");
    if (oldFont.isValid()) {
        w->setFont(qvariant_cast<QFont>(oldFont));
    }
    if (styleSheetCaches->autoFillDisabledWidgets.contains(w)) {
        embeddedWidget(w)->setAutoFillBackground(true);
        styleSheetCaches->autoFillDisabledWidgets.remove(w);
    }
}

static void updateWidgets(const QList<const QWidget *>& widgets)
{
    if (!styleSheetCaches->styleRulesCache.isEmpty() || !styleSheetCaches->hasStyleRuleCache.isEmpty() || !styleSheetCaches->renderRulesCache.isEmpty()) {
        for (int i = 0; i < widgets.size(); ++i) {
            const QWidget *widget = widgets.at(i);
            styleSheetCaches->styleRulesCache.remove(widget);
            styleSheetCaches->hasStyleRuleCache.remove(widget);
            styleSheetCaches->renderRulesCache.remove(widget);
        }
    }
    for (int i = 0; i < widgets.size(); ++i) {
        QWidget *widget = const_cast<QWidget *>(widgets.at(i));
        if (widget == 0)
            continue;
        widget->style()->polish(widget);
        QEvent event(QEvent::StyleChange);
        QApplication::sendEvent(widget, &event);

//#warning QT5
        // ะทะฐะบะพะผะตะฝั‚ะธั‚ัŒ update*
        widget->update();
        widget->updateGeometry();
    }
}

/////////////////////////////////////////////////////////////////////////////////////////
// The stylesheet style
int QtStyleSheetStyle::numinstances = 0;

QtStyleSheetStyle::QtStyleSheetStyle(QStyle *baseStyle) : CBaseStyle (),
    base(baseStyle), refcount(1)
{
    if (baseStyle == NULL) {
        base = QApplication::style();
    }

    base->setParent(this);

    ++numinstances;
    if (numinstances == 1) {
        styleSheetCaches = new QStyleSheetStyleCaches;
    }
}

QtStyleSheetStyle::~QtStyleSheetStyle()
{
    --numinstances;
    if (numinstances == 0) {
        delete styleSheetCaches;
    }
}

void QtStyleSheetStyle::setRecursiveStyle(QWidget *_widget)
{
    if (_widget == NULL) {
        return;
    }

    QList<QWidget *> children = _widget->findChildren<QWidget *>(QString());
    for (int i = 0; i < children.count(); ++i) {
        children.at(i)->setStyle(this);
    }

    _widget->setStyle(this);
}

QStyle *QtStyleSheetStyle::baseStyle() const
{
    if (base)
        return base;
    if (QtStyleSheetStyle *me = qobject_cast<QtStyleSheetStyle *>(QApplication::style()))
        return me->base;
    if (QApplication::style() != this) {
        return QApplication::style();
    }

    return NULL;
    //    return QApplication::style();
}





/*!
 *  Make sure that the cache will be clean by connecting destroyed if needed.
 *  return false if the widget is not stylable;
 */
bool QtStyleSheetStyle::initWidget(const QWidget *w) const
{
    //TODO what of?
    if (!w)
        return false;
    if(w->testAttribute(Qt::WA_StyleSheet))
        return true;

    if(unstylable(w))
        return false;

    const_cast<QWidget *>(w)->setAttribute(Qt::WA_StyleSheet, true);
    QObject::connect(w, SIGNAL(destroyed(QObject*)), styleSheetCaches, SLOT(widgetDestroyed(QObject*)), Qt::UniqueConnection);
    return true;
}

void QtStyleSheetStyle::polish(QWidget *w)
{
    if (baseStyle() != NULL) {
        baseStyle()->polish(w);
    }

    if (!initWidget(w))
        return;

    if (styleSheetCaches->styleRulesCache.contains(w)) {
        // the widget accessed its style pointer before polish (or repolish)
        // (exemple: the QAbstractSpinBox constructor ask for the stylehint)
        styleSheetCaches->styleRulesCache.remove(w);
        styleSheetCaches->hasStyleRuleCache.remove(w);
        styleSheetCaches->renderRulesCache.remove(w);
        styleSheetCaches->styleSheetCache.remove(w);
    }

    setGeometry(w);
    setProperties(w);
    unsetPalette(w);
    setPalette(w);

    //set the WA_Hover attribute if one of the selector depends of the hover state
    QVector<StyleRule> rules = styleRules(w);
    for (int i = 0; i < rules.count(); i++) {
        const Selector& selector = rules.at(i).selectors.at(0);
        quint64 negated = 0;
        quint64 cssClass = selector.pseudoClass(&negated);
        if ( cssClass & PseudoClass_Hover || negated & PseudoClass_Hover) {
            w->setAttribute(Qt::WA_Hover);
            embeddedWidget(w)->setAttribute(Qt::WA_Hover);
        }
    }


#ifndef QT_NO_SCROLLAREA
    if (QAbstractScrollArea *sa = qobject_cast<QAbstractScrollArea *>(w)) {
        QtCss::QRenderRule rule = renderRule(sa, PseudoElement_None, PseudoClass_Enabled);
        if ((rule.hasBorder() && rule.border()->hasBorderImage())
                || (rule.hasBackground() && !rule.background()->pixmap.isNull())) {
            QObject::connect(sa->horizontalScrollBar(), SIGNAL(valueChanged(int)),
                             sa, SLOT(update()), Qt::UniqueConnection);
            QObject::connect(sa->verticalScrollBar(), SIGNAL(valueChanged(int)),
                             sa, SLOT(update()), Qt::UniqueConnection);
        }
    }
#endif

#ifndef QT_NO_PROGRESSBAR
    if (QProgressBar *pb = qobject_cast<QProgressBar *>(w)) {
        ParentStyle::polish(pb);
    }
#endif

    QtCss::QRenderRule rule = renderRule(w, PseudoElement_None, PseudoClass_Any);
    if (rule.hasDrawable() || rule.hasBox()) {
        if (w->metaObject() == &QWidget::staticMetaObject
        #ifndef QT_NO_ITEMVIEWS
                || qobject_cast<QHeaderView *>(w)
        #endif
        #ifndef QT_NO_TABBAR
                || qobject_cast<QTabBar *>(w)
        #endif
        #ifndef QT_NO_FRAME
                || qobject_cast<QFrame *>(w)
        #endif
        #ifndef QT_NO_MAINWINDOW
                || qobject_cast<QMainWindow *>(w)
        #endif
        #ifndef QT_NO_MDIAREA
                || qobject_cast<QMdiSubWindow *>(w)
        #endif
        #ifndef QT_NO_MENUBAR
                || qobject_cast<QMenuBar *>(w)
        #endif
                || qobject_cast<QDialog *>(w)) {
            w->setAttribute(Qt::WA_StyledBackground, true);
        }
        QWidget *ew = embeddedWidget(w);
        if (ew->autoFillBackground()) {
            ew->setAutoFillBackground(false);
            styleSheetCaches->autoFillDisabledWidgets.insert(w);
            if (ew != w) { //eg. viewport of a scrollarea
                //(in order to draw the background anyway in case we don't.)
                ew->setAttribute(Qt::WA_StyledBackground, true);
            }
        }
        if (!rule.hasBackground() || rule.background()->isTransparent() || rule.hasBox()
                || (!rule.hasNativeBorder() && !rule.border()->isOpaque()))
            w->setAttribute(Qt::WA_OpaquePaintEvent, false);
    }
}

void QtStyleSheetStyle::polish(QApplication *app)
{
    if (baseStyle() != NULL) {
        baseStyle()->polish(app);
    }
}

void QtStyleSheetStyle::polish(QPalette &pal)
{
    if (baseStyle() != NULL) {
        baseStyle()->polish(pal);
    }
}

void QtStyleSheetStyle::repolish(QWidget *w)
{
    QList<const QWidget *> children = w->findChildren<const QWidget *>(QString());
    children.append(w);
    styleSheetCaches->styleSheetCache.remove(w);
    updateWidgets(children);
}

void QtStyleSheetStyle::repolish(QApplication *app)
{
    Q_UNUSED(app);
    const QList<const QWidget*> allWidgets = styleSheetCaches->styleRulesCache.keys();
    styleSheetCaches->styleSheetCache.remove(qApp);
    styleSheetCaches->styleRulesCache.clear();
    styleSheetCaches->hasStyleRuleCache.clear();
    styleSheetCaches->renderRulesCache.clear();
    updateWidgets(allWidgets);
}

void QtStyleSheetStyle::unpolish(QWidget *w)
{
    if ((!w || !w->testAttribute(Qt::WA_StyleSheet)) && baseStyle() != NULL) {
        baseStyle()->unpolish(w);
        return;
    }

    styleSheetCaches->styleRulesCache.remove(w);
    styleSheetCaches->hasStyleRuleCache.remove(w);
    styleSheetCaches->renderRulesCache.remove(w);
    styleSheetCaches->styleSheetCache.remove(w);
    unsetPalette(w);
    w->setProperty("_q_stylesheet_minw", QVariant());
    w->setProperty("_q_stylesheet_minh", QVariant());
    w->setProperty("_q_stylesheet_maxw", QVariant());
    w->setProperty("_q_stylesheet_maxh", QVariant());
    w->setAttribute(Qt::WA_StyleSheet, false);
    QObject::disconnect(w, 0, this, 0);
#ifndef QT_NO_SCROLLAREA
    if (QAbstractScrollArea *sa = qobject_cast<QAbstractScrollArea *>(w)) {
        QObject::disconnect(sa->horizontalScrollBar(), SIGNAL(valueChanged(int)),
                            sa, SLOT(update()));
        QObject::disconnect(sa->verticalScrollBar(), SIGNAL(valueChanged(int)),
                            sa, SLOT(update()));
    }
#endif
#ifndef QT_NO_PROGRESSBAR
    if (QProgressBar *pb = qobject_cast<QProgressBar *>(w))
        ParentStyle::unpolish(pb);
#endif
    if (baseStyle() != NULL) {
        baseStyle()->unpolish(w);
    }
}

void QtStyleSheetStyle::unpolish(QApplication *app)
{
    if (baseStyle() != NULL) {
        baseStyle()->unpolish(app);
    }
//#warning REMOVE RECURSION_GUARD
    //    RECURSION_GUARD(return)
    styleSheetCaches->styleRulesCache.clear();
    styleSheetCaches->hasStyleRuleCache.clear();
    styleSheetCaches->renderRulesCache.clear();
    styleSheetCaches->styleSheetCache.remove(qApp);
}

#ifndef QT_NO_TABBAR
inline static bool verticalTabs(QTabBar::Shape shape)
{
    return shape == QTabBar::RoundedWest
            || shape == QTabBar::RoundedEast
            || shape == QTabBar::TriangularWest
            || shape == QTabBar::TriangularEast;
}
#endif // QT_NO_TABBAR

void QtStyleSheetStyle::drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
                                               const QWidget *w) const
{
    //    if (baseStyle() != NULL) {
    //        baseStyle()->drawComplexControl(cc, opt, p, w);
    //    }

    QtCss::QRenderRule rule = renderRule(w, opt);

    switch (cc) {
    case CC_ComboBox:
        if (const QStyleOptionComboBox *cmb = qstyleoption_cast<const QStyleOptionComboBox *>(opt)) {
            QStyleOptionComboBox cmbOpt(*cmb);
            cmbOpt.rect = rule.borderRect(opt->rect);
            if (rule.hasNativeBorder()) {
                rule.drawBackgroundImage(p, cmbOpt.rect);
                rule.configurePalette(&cmbOpt.palette, QPalette::ButtonText, QPalette::Button);
                bool customDropDown = (opt->subControls & QStyle::SC_ComboBoxArrow)
                        && (hasStyleRule(w, PseudoElement_ComboBoxDropDown) || hasStyleRule(w, PseudoElement_ComboBoxArrow));
                if (customDropDown)
                    cmbOpt.subControls &= ~QStyle::SC_ComboBoxArrow;
                if (rule.baseStyleCanDraw() && baseStyle() != NULL) {
                    baseStyle()->drawComplexControl(cc, &cmbOpt, p, w);
                } else {
                    ParentStyle::drawComplexControl(cc, &cmbOpt, p, w);
                }
                if (!customDropDown)
                    return;
            } else {
                rule.drawRule(p, opt->rect);
            }

            if (opt->subControls & QStyle::SC_ComboBoxArrow) {
                QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ComboBoxDropDown);
                if (subRule.hasDrawable()) {
                    QRect r = subControlRect(CC_ComboBox, opt, SC_ComboBoxArrow, w);
                    subRule.drawRule(p, r);
                    QtCss::QRenderRule subRule2 = renderRule(w, opt, PseudoElement_ComboBoxArrow);
                    r = positionRect(w, subRule, subRule2, PseudoElement_ComboBoxArrow, r, opt->direction);
                    subRule2.drawRule(p, r);
                } else {
                    cmbOpt.subControls = QStyle::SC_ComboBoxArrow;
                    ParentStyle::drawComplexControl(cc, &cmbOpt, p, w);
                }
            }

            return;
        }
        break;

#ifndef QT_NO_SPINBOX
    case CC_SpinBox:
        if (const QStyleOptionSpinBox *spin = qstyleoption_cast<const QStyleOptionSpinBox *>(opt)) {
            QStyleOptionSpinBox spinOpt(*spin);
            rule.configurePalette(&spinOpt.palette, QPalette::ButtonText, QPalette::Button);
            rule.configurePalette(&spinOpt.palette, QPalette::Text, QPalette::Base);
            spinOpt.rect = rule.borderRect(opt->rect);
            bool customUp = true, customDown = true;
            QtCss::QRenderRule upRule = renderRule(w, opt, PseudoElement_SpinBoxUpButton);
            QtCss::QRenderRule downRule = renderRule(w, opt, PseudoElement_SpinBoxDownButton);
            bool upRuleMatch = upRule.hasGeometry() || upRule.hasPosition();
            bool downRuleMatch = downRule.hasGeometry() || downRule.hasPosition();
            if (rule.hasNativeBorder() && !upRuleMatch && !downRuleMatch) {
                rule.drawBackgroundImage(p, spinOpt.rect);
                customUp = (opt->subControls & QStyle::SC_SpinBoxUp)
                        && (hasStyleRule(w, PseudoElement_SpinBoxUpButton) || hasStyleRule(w, PseudoElement_UpArrow));
                if (customUp)
                    spinOpt.subControls &= ~QStyle::SC_SpinBoxUp;
                customDown = (opt->subControls & QStyle::SC_SpinBoxDown)
                        && (hasStyleRule(w, PseudoElement_SpinBoxDownButton) || hasStyleRule(w, PseudoElement_DownArrow));
                if (customDown)
                    spinOpt.subControls &= ~QStyle::SC_SpinBoxDown;
                if (rule.baseStyleCanDraw() && baseStyle() != NULL) {
                    baseStyle()->drawComplexControl(cc, &spinOpt, p, w);
                } else {
                    ParentStyle::drawComplexControl(cc, &spinOpt, p, w);
                }
                if (!customUp && !customDown)
                    return;
            } else {
                rule.drawRule(p, opt->rect);
            }

            if ((opt->subControls & QStyle::SC_SpinBoxUp) && customUp) {
                QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_SpinBoxUpButton);
                if (subRule.hasDrawable()) {
                    QRect r = subControlRect(CC_SpinBox, opt, SC_SpinBoxUp, w);
                    subRule.drawRule(p, r);
                    QtCss::QRenderRule subRule2 = renderRule(w, opt, PseudoElement_SpinBoxUpArrow);
                    r = positionRect(w, subRule, subRule2, PseudoElement_SpinBoxUpArrow, r, opt->direction);
                    subRule2.drawRule(p, r);
                } else {
                    spinOpt.subControls = QStyle::SC_SpinBoxUp;
                    ParentStyle::drawComplexControl(cc, &spinOpt, p, w);
                }
            }

            if ((opt->subControls & QStyle::SC_SpinBoxDown) && customDown) {
                QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_SpinBoxDownButton);
                if (subRule.hasDrawable()) {
                    QRect r = subControlRect(CC_SpinBox, opt, SC_SpinBoxDown, w);
                    subRule.drawRule(p, r);
                    QtCss::QRenderRule subRule2 = renderRule(w, opt, PseudoElement_SpinBoxDownArrow);
                    r = positionRect(w, subRule, subRule2, PseudoElement_SpinBoxDownArrow, r, opt->direction);
                    subRule2.drawRule(p, r);
                } else {
                    spinOpt.subControls = QStyle::SC_SpinBoxDown;
                    ParentStyle::drawComplexControl(cc, &spinOpt, p, w);
                }
            }
            return;
        }
        break;
#endif // QT_NO_SPINBOX

    case CC_GroupBox:
        if (const QStyleOptionGroupBox *gb = qstyleoption_cast<const QStyleOptionGroupBox *>(opt)) {

            QRect labelRect, checkBoxRect, titleRect, frameRect;
            bool hasTitle = (gb->subControls & QStyle::SC_GroupBoxCheckBox) || !gb->text.isEmpty();

            if (!rule.hasDrawable() && (!hasTitle || !hasStyleRule(w, PseudoElement_GroupBoxTitle))
                    && !hasStyleRule(w, PseudoElement_Indicator) && !rule.hasBox() && !rule.hasFont && !rule.hasPalette()) {
                // let the native style draw the combobox if there is no style for it.
                break;
            }
            rule.drawBackground(p, opt->rect);

            QtCss::QRenderRule titleRule = renderRule(w, opt, PseudoElement_GroupBoxTitle);
            bool clipSet = false;

            if (hasTitle) {
                labelRect = subControlRect(CC_GroupBox, opt, SC_GroupBoxLabel, w);
                //Some native style (such as mac) may return a too small rectangle (because they use smaller fonts),  so we may need to expand it a little bit.
                labelRect.setSize(labelRect.size().expandedTo(ParentStyle::subControlRect(CC_GroupBox, opt, SC_GroupBoxLabel, w).size()));
                if (gb->subControls & QStyle::SC_GroupBoxCheckBox) {
                    checkBoxRect = subControlRect(CC_GroupBox, opt, SC_GroupBoxCheckBox, w);
                    titleRect = titleRule.boxRect(checkBoxRect.united(labelRect));
                } else {
                    titleRect = titleRule.boxRect(labelRect);
                }
                if (!titleRule.hasBackground() || !titleRule.background()->isTransparent()) {
                    clipSet = true;
                    p->save();
                    p->setClipRegion(QRegion(opt->rect) - titleRect);
                }
            }

            frameRect = subControlRect(CC_GroupBox, opt, SC_GroupBoxFrame, w);
            QStyleOptionFrameV2 frame;
            frame.QStyleOption::operator=(*gb);
            frame.features = gb->features;
            frame.lineWidth = gb->lineWidth;
            frame.midLineWidth = gb->midLineWidth;
            frame.rect = frameRect;
            drawPrimitive(PE_FrameGroupBox, &frame, p, w);

            if (clipSet)
                p->restore();

            // draw background and frame of the title
            if (hasTitle)
                titleRule.drawRule(p, titleRect);

            // draw the indicator
            if (gb->subControls & QStyle::SC_GroupBoxCheckBox) {
                QStyleOptionButton box;
                box.QStyleOption::operator=(*gb);
                box.rect = checkBoxRect;
                drawPrimitive(PE_IndicatorCheckBox, &box, p, w);
            }

            // draw the text
            if (!gb->text.isEmpty()) {
                int alignment = int(Qt::AlignCenter | Qt::TextShowMnemonic);
                if (!styleHint(QStyle::SH_UnderlineShortcut, opt, w)) {
                    alignment |= Qt::TextHideMnemonic;
                }

                QPalette pal = gb->palette;
                if (gb->textColor.isValid())
                    pal.setColor(QPalette::WindowText, gb->textColor);
                titleRule.configurePalette(&pal, QPalette::WindowText, QPalette::Window);
                drawItemText(p, labelRect,  alignment, pal, gb->state & State_Enabled,
                             gb->text, QPalette::WindowText);

                if (gb->state & State_HasFocus) {
                    QStyleOptionFocusRect fropt;
                    fropt.QStyleOption::operator=(*gb);
                    fropt.rect = labelRect;
                    drawPrimitive(PE_FrameFocusRect, &fropt, p, w);
                }
            }

            return;
        }
        break;

    case CC_ToolButton:
        if (const QStyleOptionToolButton *tool = qstyleoption_cast<const QStyleOptionToolButton *>(opt)) {
            QStyleOptionToolButton toolOpt(*tool);
            rule.configurePalette(&toolOpt.palette, QPalette::ButtonText, QPalette::Button);
            toolOpt.font = rule.font.resolve(toolOpt.font);
            toolOpt.rect = rule.borderRect(opt->rect);
            bool customArrow = (tool->features & (QStyleOptionToolButton::HasMenu | QStyleOptionToolButton::MenuButtonPopup));
            bool customDropDown = tool->features & QStyleOptionToolButton::MenuButtonPopup;
            if (rule.hasNativeBorder()) {
                if (tool->subControls & SC_ToolButton) {
                    //in some case (eg. the button is "auto raised") the style doesn't draw the background
                    //so we need to draw the background.
                    // use the same condition as in QCommonStyle
                    State bflags = tool->state & ~State_Sunken;
                    if (bflags & State_AutoRaise && (!(bflags & State_MouseOver) || !(bflags & State_Enabled)))
                        bflags &= ~State_Raised;
                    if (tool->state & State_Sunken && tool->activeSubControls & SC_ToolButton)
                        bflags |= State_Sunken;
                    if (!(bflags & (State_Sunken | State_On | State_Raised)))
                        rule.drawBackground(p, toolOpt.rect);
                }
                customArrow = customArrow && hasStyleRule(w, PseudoElement_ToolButtonDownArrow);
                if (customArrow)
                    toolOpt.features &= ~QStyleOptionToolButton::HasMenu;
                customDropDown = customDropDown && hasStyleRule(w, PseudoElement_ToolButtonMenu);
                if (customDropDown)
                    toolOpt.subControls &= ~QStyle::SC_ToolButtonMenu;

                if (rule.baseStyleCanDraw() && !(tool->features & QStyleOptionToolButton::Arrow) && baseStyle() != NULL) {
                    baseStyle()->drawComplexControl(cc, &toolOpt, p, w);
                } else {
                    ParentStyle::drawComplexControl(cc, &toolOpt, p, w);
                }

                if (!customArrow && !customDropDown)
                    return;
            } else {
                rule.drawRule(p, opt->rect);
                toolOpt.rect = rule.contentsRect(opt->rect);
                if (rule.hasFont)
                    toolOpt.font = rule.font;
                drawControl(CE_ToolButtonLabel, &toolOpt, p, w);
            }

            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ToolButtonMenu);
            QRect r = subControlRect(CC_ToolButton, opt, QStyle::SC_ToolButtonMenu, w);
            if (customDropDown) {
                if (opt->subControls & QStyle::SC_ToolButtonMenu) {
                    if (subRule.hasDrawable()) {
                        subRule.drawRule(p, r);
                    } else if (baseStyle() != NULL) {
                        toolOpt.rect = r;
                        baseStyle()->drawPrimitive(PE_IndicatorButtonDropDown, &toolOpt, p, w);
                    }
                }
            }

            if (customArrow) {
                QtCss::QRenderRule subRule2 = customDropDown ? renderRule(w, opt, PseudoElement_ToolButtonMenuArrow)
                                                      : renderRule(w, opt, PseudoElement_ToolButtonDownArrow);
                QRect r2 = customDropDown
                        ? positionRect(w, subRule, subRule2, PseudoElement_ToolButtonMenuArrow, r, opt->direction)
                        : positionRect(w, rule, subRule2, PseudoElement_ToolButtonDownArrow, opt->rect, opt->direction);
                if (subRule2.hasDrawable()) {
                    subRule2.drawRule(p, r2);
                } else if (baseStyle() != NULL) {
                    toolOpt.rect = r2;
                    baseStyle()->drawPrimitive(QStyle::PE_IndicatorArrowDown, &toolOpt, p, w);
                }
            }

            return;
        }
        break;

#ifndef QT_NO_SCROLLBAR
    case CC_ScrollBar:
        if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(opt)) {
            QStyleOptionSlider sbOpt(*sb);
            if (!rule.hasDrawable() && baseStyle() != NULL) {
                sbOpt.rect = rule.borderRect(opt->rect);
                rule.drawBackgroundImage(p, opt->rect);
                baseStyle()->drawComplexControl(cc, &sbOpt, p, w);
            } else {
                rule.drawRule(p, opt->rect);
                ParentStyle::drawComplexControl(cc, opt, p, w);
            }
            return;
        }
        break;
#endif // QT_NO_SCROLLBAR

#ifndef QT_NO_SLIDER
    case CC_Slider:
        if (const QStyleOptionSlider *slider = qstyleoption_cast<const QStyleOptionSlider *>(opt)) {
            rule.drawRule(p, opt->rect);

            QtCss::QRenderRule grooveSubRule = renderRule(w, opt, PseudoElement_SliderGroove);
            QtCss::QRenderRule handleSubRule = renderRule(w, opt, PseudoElement_SliderHandle);
            if (!grooveSubRule.hasDrawable()) {
                QStyleOptionSlider slOpt(*slider);
                bool handleHasRule = handleSubRule.hasDrawable();
                // If the style specifies a different handler rule, draw the groove without the handler.
                if (handleHasRule)
                    slOpt.subControls &= ~SC_SliderHandle;
                if (baseStyle() != NULL) {
                    baseStyle()->drawComplexControl(cc, &slOpt, p, w);
                }

                if (!handleHasRule)
                    return;
            }

            QRect gr = subControlRect(cc, opt, SC_SliderGroove, w);
            if (slider->subControls & SC_SliderGroove) {
                grooveSubRule.drawRule(p, gr);
            }

            if (slider->subControls & SC_SliderHandle) {
                QRect hr = subControlRect(cc, opt, SC_SliderHandle, w);

                QtCss::QRenderRule subRule1 = renderRule(w, opt, PseudoElement_SliderSubPage);
                if (subRule1.hasDrawable()) {
                    QRect r(gr.topLeft(),
                            slider->orientation == Qt::Horizontal
                            ? QPoint(hr.x()+hr.width()/2, gr.y()+gr.height() - 1)
                            : QPoint(gr.x()+gr.width() - 1, hr.y()+hr.height()/2));
                    subRule1.drawRule(p, r);
                }

                QtCss::QRenderRule subRule2 = renderRule(w, opt, PseudoElement_SliderAddPage);
                if (subRule2.hasDrawable()) {
                    QRect r(slider->orientation == Qt::Horizontal
                            ? QPoint(hr.x()+hr.width()/2+1, gr.y())
                            : QPoint(gr.x(), hr.y()+hr.height()/2+1),
                            gr.bottomRight());
                    subRule2.drawRule(p, r);
                }

                handleSubRule.drawRule(p, handleSubRule.boxRect(hr, Margin));
            }

            if (slider->subControls & SC_SliderTickmarks) {
                // TODO...
            }

            return;
        }
        break;
#endif // QT_NO_SLIDER

    case CC_MdiControls:
        if (hasStyleRule(w, PseudoElement_MdiCloseButton)
                || hasStyleRule(w, PseudoElement_MdiNormalButton)
                || hasStyleRule(w, PseudoElement_MdiMinButton)) {
            QList<QVariant> layout = rule.styleHint(QLatin1String("button-layout")).toList();
            if (layout.isEmpty())
                layout = subControlLayout(QLatin1String("mNX"));

            QStyleOptionComplex optCopy(*opt);
            optCopy.subControls = 0;
            for (int i = 0; i < layout.count(); i++) {
                int layoutButton = layout[i].toInt();
                if (layoutButton < PseudoElement_MdiCloseButton
                        || layoutButton > PseudoElement_MdiNormalButton)
                    continue;
                QStyle::SubControl control = knownPseudoElements[layoutButton].subControl;
                if (!(opt->subControls & control))
                    continue;
                QtCss::QRenderRule subRule = renderRule(w, opt, layoutButton);
                if (subRule.hasDrawable()) {
                    QRect rect = subRule.boxRect(subControlRect(CC_MdiControls, opt, control, w), Margin);
                    subRule.drawRule(p, rect);
                    QIcon icon = standardIcon(subControlIcon(layoutButton), opt);
                    icon.paint(p, subRule.contentsRect(rect), Qt::AlignCenter);
                } else {
                    optCopy.subControls |= control;
                }
            }

            if (optCopy.subControls && baseStyle() != NULL)
                baseStyle()->drawComplexControl(CC_MdiControls, &optCopy, p, w);
            return;
        }
        break;

    case CC_TitleBar:
        if (const QStyleOptionTitleBar *tb = qstyleoption_cast<const QStyleOptionTitleBar *>(opt)) {
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_TitleBar);
            if (!subRule.hasDrawable() && !subRule.hasBox() && !subRule.hasBorder())
                break;
            subRule.drawRule(p, opt->rect);
            QHash<QStyle::SubControl, QRect> layout = titleBarLayout(w, tb);

            QRect ir;
            ir = layout[SC_TitleBarLabel];
            if (ir.isValid()) {
                if (subRule.hasPalette())
                    p->setPen(subRule.palette()->foreground.color());
                p->fillRect(ir, Qt::white);
                p->drawText(ir.x(), ir.y(), ir.width(), ir.height(), Qt::AlignLeft | Qt::AlignVCenter | Qt::TextSingleLine, tb->text);
            }

            QPixmap pm;

            ir = layout[SC_TitleBarSysMenu];
            if (ir.isValid()) {
                QtCss::QRenderRule subSubRule = renderRule(w, opt, PseudoElement_TitleBarSysMenu);
                subSubRule.drawRule(p, ir);
                ir = subSubRule.contentsRect(ir);
                if (!tb->icon.isNull()) {
                    tb->icon.paint(p, ir);
                } else {
                    int iconSize = pixelMetric(PM_SmallIconSize, tb, w);
                    pm = standardIcon(SP_TitleBarMenuButton, 0, w).pixmap(iconSize, iconSize);
                    drawItemPixmap(p, ir, Qt::AlignCenter, pm);
                }
            }

            ir = layout[SC_TitleBarCloseButton];
            if (ir.isValid()) {
                QtCss::QRenderRule subSubRule = renderRule(w, opt, PseudoElement_TitleBarCloseButton);
                subSubRule.drawRule(p, ir);

                QSize sz = subSubRule.contentsRect(ir).size();
                if ((tb->titleBarFlags & Qt::WindowType_Mask) == Qt::Tool)
                    pm = standardIcon(SP_DockWidgetCloseButton, 0, w).pixmap(sz);
                else
                    pm = standardIcon(SP_TitleBarCloseButton, 0, w).pixmap(sz);
                drawItemPixmap(p, ir, Qt::AlignCenter, pm);
            }

            int pes[] = {
                PseudoElement_TitleBarMaxButton,
                PseudoElement_TitleBarMinButton,
                PseudoElement_TitleBarNormalButton,
                PseudoElement_TitleBarShadeButton,
                PseudoElement_TitleBarUnshadeButton,
                PseudoElement_TitleBarContextHelpButton
            };

            for (unsigned int i = 0; i < sizeof(pes)/sizeof(int); i++) {
                int pe = pes[i];
                QStyle::SubControl sc = knownPseudoElements[pe].subControl;
                ir = layout[sc];
                if (!ir.isValid())
                    continue;
                QtCss::QRenderRule subSubRule = renderRule(w, opt, pe);
                subSubRule.drawRule(p, ir);
                pm = standardIcon(subControlIcon(pe), 0, w).pixmap(subSubRule.contentsRect(ir).size());
                drawItemPixmap(p, ir, Qt::AlignCenter, pm);
            }

            return;
        }
        break;


    default:
        break;
    }

    if (baseStyle() != NULL) {
        baseStyle()->drawComplexControl(cc, opt, p, w);
    }
}

void QtStyleSheetStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter *p,
                                        const QWidget *w) const
{
    QtCss::QRenderRule rule = renderRule(w, opt);
    int pe1 = PseudoElement_None, pe2 = PseudoElement_None;
    bool fallback = false;

    switch (ce) {
    case CE_ToolButtonLabel:
        if (const QStyleOptionToolButton *btn = qstyleoption_cast<const QStyleOptionToolButton *>(opt)) {
            if (rule.hasBox() || btn->features & QStyleOptionToolButton::Arrow) {
                QCommonStyle::drawControl(ce, opt, p, w);
            } else if (baseStyle() != NULL) {
                QStyleOptionToolButton butOpt(*btn);
                rule.configurePalette(&butOpt.palette, QPalette::ButtonText, QPalette::Button);
                baseStyle()->drawControl(ce, &butOpt, p, w);
            }
            return;
        }
        break;

    case CE_FocusFrame:
        if (!rule.hasNativeBorder()) {
            rule.drawBorder(p, opt->rect);
            return;
        }
        break;

    case CE_PushButton:
        if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
            if (rule.hasDrawable() || rule.hasBox() || rule.hasPosition() || rule.hasPalette() ||
                    ((btn->features & QStyleOptionButton::HasMenu) && hasStyleRule(w, PseudoElement_PushButtonMenuIndicator))) {
                ParentStyle::drawControl(ce, opt, p, w);
                return;
            }
        }
        break;
    case CE_PushButtonBevel:
        if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
            QStyleOptionButton btnOpt(*btn);
            btnOpt.rect = rule.borderRect(opt->rect);
            if (rule.hasNativeBorder()) {
                rule.drawBackgroundImage(p, btnOpt.rect);
                rule.configurePalette(&btnOpt.palette, QPalette::ButtonText, QPalette::Button);
                bool customMenu = (btn->features & QStyleOptionButton::HasMenu
                                   && hasStyleRule(w, PseudoElement_PushButtonMenuIndicator));
                if (customMenu)
                    btnOpt.features &= ~QStyleOptionButton::HasMenu;
                if (rule.baseStyleCanDraw() && baseStyle() != NULL) {
                    baseStyle()->drawControl(ce, &btnOpt, p, w);
                } else {
                    ParentStyle::drawControl(ce, &btnOpt, p, w);
                }
                if (!customMenu)
                    return;
            } else {
                rule.drawRule(p, opt->rect);
            }

            if (btn->features & QStyleOptionButton::HasMenu) {
                QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_PushButtonMenuIndicator);
                QRect ir = positionRect(w, rule, subRule, PseudoElement_PushButtonMenuIndicator, opt->rect, opt->direction);
                if (subRule.hasDrawable()) {
                    subRule.drawRule(p, ir);
                } else if (baseStyle() != NULL) {
                    btnOpt.rect = ir;
                    baseStyle()->drawPrimitive(PE_IndicatorArrowDown, &btnOpt, p, w);
                }
            }
        }
        return;

    case CE_PushButtonLabel:
        if (const QStyleOptionButton *button = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
            QStyleOptionButton butOpt(*button);
            rule.configurePalette(&butOpt.palette, QPalette::ButtonText, QPalette::Button);

            const QFont oldFont = p->font();
            if (rule.hasFont)
                p->setFont(rule.font);

            if (rule.hasPosition() && rule.position()->textAlignment != 0) {
                Qt::Alignment textAlignment = rule.position()->textAlignment;
                QRect textRect = button->rect;
                uint tf = Qt::TextShowMnemonic;
                const uint verticalAlignMask = Qt::AlignVCenter | Qt::AlignTop | Qt::AlignLeft;
                tf |= (textAlignment & verticalAlignMask) ? (textAlignment & verticalAlignMask) : Qt::AlignVCenter;
                if (!styleHint(SH_UnderlineShortcut, button, w))
                    tf |= Qt::TextHideMnemonic;
                if (!button->icon.isNull()) {
                    //Group both icon and text
                    QRect iconRect;
                    QIcon::Mode mode = button->state & State_Enabled ? QIcon::Normal : QIcon::Disabled;
                    if (mode == QIcon::Normal && button->state & State_HasFocus)
                        mode = QIcon::Active;
                    QIcon::State state = QIcon::Off;
                    if (button->state & State_On)
                        state = QIcon::On;

                    QPixmap pixmap = button->icon.pixmap(button->iconSize, mode, state);
                    int labelWidth = pixmap.width();
                    int labelHeight = pixmap.height();
                    int iconSpacing = 4;//### 4 is currently hardcoded in QPushButton::sizeHint()
                    int textWidth = button->fontMetrics.boundingRect(opt->rect, tf, button->text).width();
                    if (!button->text.isEmpty())
                        labelWidth += (textWidth + iconSpacing);

                    //Determine label alignment:
                    if (textAlignment & Qt::AlignLeft) { /*left*/
                        iconRect = QRect(textRect.x(), textRect.y() + (textRect.height() - labelHeight) / 2,
                                         pixmap.width(), pixmap.height());
                    } else if (textAlignment & Qt::AlignHCenter) { /* center */
                        iconRect = QRect(textRect.x() + (textRect.width() - labelWidth) / 2,
                                         textRect.y() + (textRect.height() - labelHeight) / 2,
                                         pixmap.width(), pixmap.height());
                    } else { /*right*/
                        iconRect = QRect(textRect.x() + textRect.width() - labelWidth,
                                         textRect.y() + (textRect.height() - labelHeight) / 2,
                                         pixmap.width(), pixmap.height());
                    }

                    iconRect = visualRect(button->direction, textRect, iconRect);

                    tf |= Qt::AlignLeft; //left align, we adjust the text-rect instead

                    if (button->direction == Qt::RightToLeft)
                        textRect.setRight(iconRect.left() - iconSpacing);
                    else
                        textRect.setLeft(iconRect.left() + iconRect.width() + iconSpacing);

                    if (button->state & (State_On | State_Sunken))
                        iconRect.translate(pixelMetric(PM_ButtonShiftHorizontal, opt, w),
                                           pixelMetric(PM_ButtonShiftVertical, opt, w));
                    p->drawPixmap(iconRect, pixmap);
                } else {
                    tf |= textAlignment;
                }
                if (button->state & (State_On | State_Sunken))
                    textRect.translate(pixelMetric(PM_ButtonShiftHorizontal, opt, w),
                                       pixelMetric(PM_ButtonShiftVertical, opt, w));

                if (button->features & QStyleOptionButton::HasMenu) {
                    int indicatorSize = pixelMetric(PM_MenuButtonIndicator, button, w);
                    if (button->direction == Qt::LeftToRight)
                        textRect = textRect.adjusted(0, 0, -indicatorSize, 0);
                    else
                        textRect = textRect.adjusted(indicatorSize, 0, 0, 0);
                }
                drawItemText(p, textRect, tf, butOpt.palette, (button->state & State_Enabled),
                             button->text, QPalette::ButtonText);
            } else {
                ParentStyle::drawControl(ce, &butOpt, p, w);
            }

            if (rule.hasFont)
                p->setFont(oldFont);
        }
        return;

    case CE_RadioButton:
    case CE_CheckBox:
        if (rule.hasBox() || !rule.hasNativeBorder() || rule.hasDrawable() || hasStyleRule(w, PseudoElement_Indicator)) {
            rule.drawRule(p, opt->rect);
            ParentStyle::drawControl(ce, opt, p, w);
            return;
        } else if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
            if (baseStyle() != NULL) {
                QStyleOptionButton butOpt(*btn);
                rule.configurePalette(&butOpt.palette, QPalette::ButtonText, QPalette::Button);
                baseStyle()->drawControl(ce, &butOpt, p, w);
            }
            return;
        }
        break;
    case CE_RadioButtonLabel:
    case CE_CheckBoxLabel:
        if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
            QStyleOptionButton butOpt(*btn);
            rule.configurePalette(&butOpt.palette, QPalette::ButtonText, QPalette::Button);
            ParentStyle::drawControl(ce, &butOpt, p, w);
        }
        return;

    case CE_Splitter:
        pe1 = PseudoElement_SplitterHandle;
        break;

    case CE_ToolBar:
        if (rule.hasBackground()) {
            rule.drawBackground(p, opt->rect);
        }
        if (rule.hasBorder()) {
            rule.drawBorder(p, rule.borderRect(opt->rect));
        } else {
#ifndef QT_NO_TOOLBAR
            if (const QStyleOptionToolBar *tb = qstyleoption_cast<const QStyleOptionToolBar *>(opt)) {
                if (baseStyle() != NULL) {
                    QStyleOptionToolBar newTb(*tb);
                    newTb.rect = rule.borderRect(opt->rect);
                    baseStyle()->drawControl(ce, &newTb, p, w);
                }
            }
#endif // QT_NO_TOOLBAR
        }
        return;

    case CE_MenuEmptyArea:
    case CE_MenuBarEmptyArea:
        if (rule.hasDrawable()) {
            // Drawn by PE_Widget
            return;
        }
        break;

    case CE_MenuTearoff:
    case CE_MenuScroller:
        if (const QStyleOptionMenuItem *m = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
            QStyleOptionMenuItem mi(*m);
            int pe = ce == CE_MenuTearoff ? PseudoElement_MenuTearoff : PseudoElement_MenuScroller;
            QtCss::QRenderRule subRule = renderRule(w, opt, pe);
            mi.rect = subRule.contentsRect(opt->rect);
            rule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);
            subRule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);

            if (subRule.hasDrawable()) {
                subRule.drawRule(p, opt->rect);
            } else if (baseStyle() != NULL) {
                baseStyle()->drawControl(ce, &mi, p, w);
            }
        }
        return;

    case CE_MenuItem:
        if (const QStyleOptionMenuItem *m = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
            QStyleOptionMenuItem mi(*m);

            int pseudo = (mi.menuItemType == QStyleOptionMenuItem::Separator) ? PseudoElement_MenuSeparator : PseudoElement_Item;
            QtCss::QRenderRule subRule = renderRule(w, opt, pseudo);
            mi.rect = subRule.contentsRect(opt->rect);
            rule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);
            rule.configurePalette(&mi.palette, QPalette::HighlightedText, QPalette::Highlight);
            subRule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);
            subRule.configurePalette(&mi.palette, QPalette::HighlightedText, QPalette::Highlight);
            QFont oldFont = p->font();
            if (subRule.hasFont)
                p->setFont(subRule.font.resolve(p->font()));

            // We fall back to drawing with the style sheet code whenever at least one of the
            // items are styled in an incompatible way, such as having a background image.
            QtCss::QRenderRule allRules = renderRule(w, PseudoElement_Item, PseudoClass_Any);

            if ((pseudo == PseudoElement_MenuSeparator) && subRule.hasDrawable())
            {
                subRule.drawRule(p, opt->rect);
            }
            else if ((pseudo == PseudoElement_Item)
                       && (allRules.hasBox() || allRules.hasBorder() || subRule.hasFont
                           || (allRules.background() && !allRules.background()->pixmap.isNull())))
            {
                subRule.drawRule(p, opt->rect);
                if (subRule.hasBackground()) {
                    mi.palette.setBrush(QPalette::Highlight, Qt::NoBrush);
                    mi.palette.setBrush(QPalette::Button, Qt::NoBrush);
                } else {
                    mi.palette.setBrush(QPalette::Highlight, mi.palette.brush(QPalette::Button));
                }
                mi.palette.setBrush(QPalette::HighlightedText, mi.palette.brush(QPalette::ButtonText));

                bool checkable = mi.checkType != QStyleOptionMenuItem::NotCheckable;
                bool checked = checkable ? mi.checked : false;

                bool dis = !(opt->state & QStyle::State_Enabled),
                        act = opt->state & QStyle::State_Selected;

                if (!mi.icon.isNull()) {
                    QIcon::Mode mode = dis ? QIcon::Disabled : QIcon::Normal;
                    if (act && !dis)
                        mode = QIcon::Active;
                    QPixmap pixmap;
                    if (checked)
                        pixmap = mi.icon.pixmap(pixelMetric(PM_SmallIconSize), mode, QIcon::On);
                    else
                        pixmap = mi.icon.pixmap(pixelMetric(PM_SmallIconSize), mode);
                    int pixw = pixmap.width();
                    int pixh = pixmap.height();
                    QtCss::QRenderRule iconRule = renderRule(w, opt, PseudoElement_MenuIcon);
                    if (!iconRule.hasGeometry()) {
                        iconRule.geo = new QStyleSheetGeometryData(pixw, pixh, pixw, pixh, -1, -1);
                    } else {
                        iconRule.geo->width = pixw;
                        iconRule.geo->height = pixh;
                    }
                    QRect iconRect = positionRect(w, subRule, iconRule, PseudoElement_MenuIcon, opt->rect, opt->direction);
                    iconRule.drawRule(p, iconRect);
                    QRect pmr(0, 0, pixw, pixh);
                    pmr.moveCenter(iconRect.center());
                    p->drawPixmap(pmr.topLeft(), pixmap);
                } else if (checkable) {
                    QtCss::QRenderRule subSubRule = renderRule(w, opt, PseudoElement_MenuCheckMark);
                    if (subSubRule.hasDrawable() || checked) {
                        QStyleOptionMenuItem newMi = mi;
                        newMi.rect = positionRect(w, subRule, subSubRule, PseudoElement_MenuCheckMark, opt->rect, opt->direction);
                        drawPrimitive(PE_IndicatorMenuCheckMark, &newMi, p, w);
                    }
                }

                QRect textRect = subRule.contentsRect(opt->rect);
                textRect.setWidth(textRect.width() - mi.tabWidth);
                QString s = mi.text;
                p->setPen(mi.palette.buttonText().color());
                if (!s.isEmpty()) {
                    int text_flags = Qt::AlignVCenter | Qt::TextShowMnemonic | Qt::TextDontClip | Qt::TextSingleLine;
                    if (!styleHint(SH_UnderlineShortcut, &mi, w))
                        text_flags |= Qt::TextHideMnemonic;
                    int t = s.indexOf(QLatin1Char('\t'));
                    if (t >= 0) {
                        QRect vShortcutRect = visualRect(opt->direction, mi.rect,
                                                         QRect(textRect.topRight(), QPoint(mi.rect.right(), textRect.bottom())));
                        p->drawText(vShortcutRect, text_flags|Qt::AlignRight, s.mid(t + 1));
                        s = s.left(t);
                    }
                    p->drawText(textRect, text_flags|Qt::AlignLeft, s.left(t));
                }

                if (mi.menuItemType == QStyleOptionMenuItem::SubMenu) {// draw sub menu arrow
                    PrimitiveElement arrow = (opt->direction == Qt::RightToLeft) ? PE_IndicatorArrowLeft : PE_IndicatorArrowRight;
                    QtCss::QRenderRule subRule2 = renderRule(w, opt, PseudoElement_MenuRightArrow);
                    mi.rect = positionRect(w, subRule, subRule2, PseudoElement_MenuRightArrow, opt->rect, mi.direction);
                    drawPrimitive(arrow, &mi, p, w);
                }
            }
            else if (hasStyleRule(w, PseudoElement_MenuCheckMark) || hasStyleRule(w, PseudoElement_MenuRightArrow))
            {
                ParentStyle::drawControl(ce, &mi, p, w);
                if (mi.checkType != QStyleOptionMenuItem::NotCheckable && !mi.checked) {
                    // We have a style defined, but QWindowsStyle won't draw anything if not checked.
                    // So we mimick what QWindowsStyle would do.
                    int checkcol = qMax<int>(mi.maxIconWidth, windowsCheckMarkWidth);
                    QRect vCheckRect = visualRect(opt->direction, mi.rect, QRect(mi.rect.x(), mi.rect.y(), checkcol, mi.rect.height()));
                    if (mi.state.testFlag(State_Enabled) && mi.state.testFlag(State_Selected)) {
                        qDrawShadePanel(p, vCheckRect, mi.palette, true, 1, &mi.palette.brush(QPalette::Button));
                    } else {
                        QBrush fill(mi.palette.light().color(), Qt::Dense4Pattern);
                        qDrawShadePanel(p, vCheckRect, mi.palette, true, 1, &fill);
                    }
                    QtCss::QRenderRule subSubRule = renderRule(w, opt, PseudoElement_MenuCheckMark);
                    if (subSubRule.hasDrawable()) {
                        QStyleOptionMenuItem newMi(mi);
                        newMi.rect = visualRect(opt->direction, mi.rect, QRect(mi.rect.x() + windowsItemFrame,
                                                                               mi.rect.y() + windowsItemFrame,
                                                                               checkcol - 2 * windowsItemFrame,
                                                                               mi.rect.height() - 2 * windowsItemFrame));
                        drawPrimitive(PE_IndicatorMenuCheckMark, &newMi, p, w);
                    }
                }
            }
            else
            {
                if (rule.hasDrawable() && !subRule.hasDrawable() && !(opt->state & QStyle::State_Selected)) {
                    mi.palette.setColor(QPalette::Window, Qt::transparent);
                    mi.palette.setColor(QPalette::Button, Qt::transparent);
                }
                if (rule.baseStyleCanDraw() && subRule.baseStyleCanDraw() && baseStyle() != NULL) {
                    baseStyle()->drawControl(ce, &mi, p, w);
                } else {
                    ParentStyle::drawControl(ce, &mi, p, w);
                }
            }

            if (subRule.hasFont)
                p->setFont(oldFont);

            return;
        }
        return;

    case CE_MenuBarItem:
        if (const QStyleOptionMenuItem *m = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
            QStyleOptionMenuItem mi(*m);
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_Item);
            mi.rect = subRule.contentsRect(opt->rect);
            rule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);
            subRule.configurePalette(&mi.palette, QPalette::ButtonText, QPalette::Button);

            if (subRule.hasDrawable()) {
                subRule.drawRule(p, opt->rect);
                QCommonStyle::drawControl(ce, &mi, p, w);
            } else if (baseStyle() != NULL) {
                if (rule.hasDrawable() && !(opt->state & QStyle::State_Selected)) {
                    // So that the menu bar background is not hidden by the items
                    mi.palette.setColor(QPalette::Window, Qt::transparent);
                    mi.palette.setColor(QPalette::Button, Qt::transparent);
                }
                baseStyle()->drawControl(ce, &mi, p, w);
            }
        }
        return;

#ifndef QT_NO_COMBOBOX
    case CE_ComboBoxLabel:
//        if (!rule.hasBox())
//            break;
        if (const QStyleOptionComboBox *cb = qstyleoption_cast<const QStyleOptionComboBox *>(opt)) {
            QRect editRect = subControlRect(CC_ComboBox, cb, SC_ComboBoxEditField, w);
            p->save();
            p->setClipRect(editRect);
            if (!cb->currentIcon.isNull()) {
                int spacing = rule.hasBox() ? rule.box()->spacing : -1;
                if (spacing == -1)
                    spacing = 6;
                QIcon::Mode mode = cb->state & State_Enabled ? QIcon::Normal : QIcon::Disabled;
                QPixmap pixmap = cb->currentIcon.pixmap(cb->iconSize, mode);
                QRect iconRect(editRect);
                iconRect.setWidth(cb->iconSize.width());
                iconRect = alignedRect(cb->direction,
                                       Qt::AlignLeft | Qt::AlignVCenter,
                                       iconRect.size(), editRect);
                drawItemPixmap(p, iconRect, Qt::AlignCenter, pixmap);

                if (cb->direction == Qt::RightToLeft)
                    editRect.translate(-spacing - cb->iconSize.width(), 0);
                else
                    editRect.translate(cb->iconSize.width() + spacing, 0);
            }
            if (!cb->currentText.isEmpty() && !cb->editable) {
                QPalette styledPalette(cb->palette);
                rule.configurePalette(&styledPalette, QPalette::Text, QPalette::Base);
                drawItemText(p, editRect.adjusted(10, 0, 0, 0), Qt::AlignLeft | Qt::AlignVCenter, styledPalette,
                             cb->state & State_Enabled, cb->currentText, QPalette::Text);
            }
            p->restore();
            return;
        }
        break;
#endif // QT_NO_COMBOBOX

    case CE_Header:
        if (const QStyleOptionHeader *header = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
            const QFont oldFont = p->font();

            if (hasStyleRule(w, PseudoElement_HeaderViewSection)) {
                QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewSection);
                if (subRule.hasFont) {
                    p->setFont(subRule.font.resolve(oldFont));
                }
            }

            QRegion clipRegion = p->clipRegion();
            p->setClipRect(opt->rect);
            proxy()->drawControl(CE_HeaderSection, header, p, w);
            QStyleOptionHeader subopt = *header;
            subopt.rect = subElementRect(SE_HeaderLabel, header, w);
            if (subopt.rect.isValid())
                proxy()->drawControl(CE_HeaderLabel, &subopt, p, w);
            if (header->sortIndicator != QStyleOptionHeader::None) {
                subopt.rect = subElementRect(SE_HeaderArrow, opt, w);
                proxy()->drawPrimitive(PE_IndicatorHeaderArrow, &subopt, p, w);
            }
            p->setClipRegion(clipRegion);
            p->setFont(oldFont);

            return;
        }

//#warning DELETE IN THE FUTURE
        // ะกั‚ะฐั€ะฐั ั€ะตะฐะปะธะทะฐั†ะธั, ัƒะดะฐะปะธั‚ัŒ ะฒ ัั‚ะฐะฑะธะปัŒะฝะพะน ะฒะตั€ัะธะธ

//        if (hasStyleRule(w, PseudoElement_HeaderViewUpArrow)
//                || hasStyleRule(w, PseudoElement_HeaderViewDownArrow)) {
//            ParentStyle::drawControl(ce, opt, p, w);
//            return;
//        }
//        if(hasStyleRule(w, PseudoElement_HeaderViewSection)) {
//            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewSection);
//            if (!subRule.hasNativeBorder() || !subRule.baseStyleCanDraw()
//                    || subRule.hasBackground() || subRule.hasPalette()) {
//                ParentStyle::drawControl(ce, opt, p, w);
//                return;
//            }

//            if (subRule.hasFont) {
//                const QFont oldFont = p->font();
//                p->setFont(subRule.font.resolve(oldFont));
//                proxy()->drawControl(ce, opt, p, w);
//                p->setFont(oldFont);
//                return;
//            }
//        }
        break;
    case CE_HeaderSection:
        if (const QStyleOptionHeader *header = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewSection);
            if (subRule.hasNativeBorder()) {
                QStyleOptionHeader hdr(*header);
                subRule.configurePalette(&hdr.palette, QPalette::ButtonText, QPalette::Button);

                if (subRule.baseStyleCanDraw() && baseStyle() != NULL) {
                    baseStyle()->drawControl(CE_HeaderSection, &hdr, p, w);
                } else {
                    ParentStyle::drawControl(CE_HeaderSection, &hdr, p, w);
                }
            } else {
                subRule.drawRule(p, opt->rect);
            }
            return;
        }
        break;

    case CE_HeaderLabel:
        if (const QStyleOptionHeader *header = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
            QStyleOptionHeader hdr(*header);
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewSection);
            subRule.configurePalette(&hdr.palette, QPalette::ButtonText, QPalette::Button);
            QFont oldFont = p->font();
            if (subRule.hasFont)
                p->setFont(subRule.font.resolve(p->font()));
            if (baseStyle() != NULL) {
                baseStyle()->drawControl(ce, &hdr, p, w);
            }
            if (subRule.hasFont)
                p->setFont(oldFont);
            return;
        }
        break;

    case CE_HeaderEmptyArea:
        if (rule.hasDrawable()) {
            return;
        }
        break;

    case CE_ProgressBar:
        ParentStyle::drawControl(ce, opt, p, w);
        return;

    case CE_ProgressBarGroove:
        if (!rule.hasNativeBorder()) {
            rule.drawRule(p, rule.boxRect(opt->rect, Margin));
            return;
        }
        break;

    case CE_ProgressBarContents: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ProgressBarChunk);
        if (subRule.hasDrawable()) {
            if (const QStyleOptionProgressBar *pb = qstyleoption_cast<const QStyleOptionProgressBar *>(opt)) {
                p->save();
                p->setClipRect(pb->rect);

                qint64 minimum = qint64(pb->minimum);
                qint64 maximum = qint64(pb->maximum);
                qint64 progress = qint64(pb->progress);
                bool vertical = (pb->orientation == Qt::Vertical);
                bool inverted = pb->invertedAppearance;

                QTransform m;
                QRect rect = pb->rect;
                if (vertical) {
                    rect = QRect(rect.y(), rect.x(), rect.height(), rect.width());
                    m.rotate(90);
                    m.translate(0, -(rect.height() + rect.y()*2));
                }

                bool reverse = ((!vertical && (pb->direction == Qt::RightToLeft)) || vertical);
                if (inverted)
                    reverse = !reverse;
                const bool indeterminate = pb->minimum == pb->maximum;
                const auto fillRatio = indeterminate ? 0.50 : double(progress - minimum) / (maximum - minimum);
                const auto fillWidth = static_cast<int>(rect.width() * fillRatio);
                int chunkWidth = fillWidth;
                if (subRule.hasContentsSize()) {
                    QSize sz = subRule.size();
                    chunkWidth = (opt->state & QStyle::State_Horizontal) ? sz.width() : sz.height();
                }

                QRect r = rect;
                if (pb->minimum == 0 && pb->maximum == 0) {
                    int chunkCount = fillWidth/chunkWidth;
                    int offset = 0;
                    int x = reverse ? r.left() + r.width() - offset - chunkWidth : r.x() + offset;
                    while (chunkCount > 0) {
                        r.setRect(x, rect.y(), chunkWidth, rect.height());
                        r = m.mapRect(QRectF(r)).toRect();
                        subRule.drawRule(p, r);
                        x += reverse ? -chunkWidth : chunkWidth;
                        if (reverse ? x < rect.left() : x > rect.right())
                            break;
                        --chunkCount;
                    }

                    r = rect;
                    x = reverse ? r.right() - (r.left() - x - chunkWidth)
                                : r.left() + (x - r.right() - chunkWidth);
                    while (chunkCount > 0) {
                        r.setRect(x, rect.y(), chunkWidth, rect.height());
                        r = m.mapRect(QRectF(r)).toRect();
                        subRule.drawRule(p, r);
                        x += reverse ? -chunkWidth : chunkWidth;
                        --chunkCount;
                    };
                } else if (chunkWidth > 0) {
                    const int chunkCount = ceil(qreal(fillWidth)/chunkWidth);
                    int x = reverse ? r.left() + r.width() - chunkWidth : r.x();

                    for (int i = 0; i < chunkCount; ++i) {
                        r.setRect(x, rect.y(), chunkWidth, rect.height());
                        r = m.mapRect(QRectF(r)).toRect();
                        subRule.drawRule(p, r);
                        x += reverse ? -chunkWidth : chunkWidth;
                    }
                }

                p->restore();
                return;
            }
        }
                               }
        break;

    case CE_ProgressBarLabel:
        if (const QStyleOptionProgressBar *pb = qstyleoption_cast<const QStyleOptionProgressBar *>(opt)) {
            if (rule.hasBox() || rule.hasBorder() || hasStyleRule(w, PseudoElement_ProgressBarChunk)) {
                drawItemText(p, pb->rect, pb->textAlignment | Qt::TextSingleLine, pb->palette,
                             pb->state & State_Enabled, pb->text, QPalette::Text);
            } else {
                QStyleOptionProgressBar pbCopy(*pb);
                rule.configurePalette(&pbCopy.palette, QPalette::HighlightedText, QPalette::Highlight);
                baseStyle()->drawControl(ce, &pbCopy, p, w);
            }
            return;
        }
        break;
    case CE_SizeGrip:
        if (const QStyleOptionSizeGrip *sgOpt = qstyleoption_cast<const QStyleOptionSizeGrip *>(opt)) {
            if (rule.hasDrawable()) {
                rule.drawFrame(p, opt->rect);
                p->save();
                switch (sgOpt->corner) {
                case Qt::BottomRightCorner: break;
                case Qt::BottomLeftCorner: p->rotate(90); break;
                case Qt::TopLeftCorner: p->rotate(180); break;
                case Qt::TopRightCorner: p->rotate(270); break;
                default: break;
                }
                rule.drawImage(p, opt->rect);
                p->restore();
            } else if (baseStyle() != NULL) {
                QStyleOptionSizeGrip sg(*sgOpt);
                sg.rect = rule.contentsRect(opt->rect);
                baseStyle()->drawControl(CE_SizeGrip, &sg, p, w);
            }
            return;
        }
        break;

    case CE_ToolBoxTab:
        ParentStyle::drawControl(ce, opt, p, w);
        return;

    case CE_ToolBoxTabShape: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ToolBoxTab);
        if (subRule.hasDrawable()) {
            subRule.drawRule(p, opt->rect);
            return;
        }
    }
        break;

    case CE_ToolBoxTabLabel:
        if (const QStyleOptionToolBox *box = qstyleoption_cast<const QStyleOptionToolBox *>(opt)) {
            QStyleOptionToolBox boxCopy(*box);
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ToolBoxTab);
            subRule.configurePalette(&boxCopy.palette, QPalette::ButtonText, QPalette::Button);
            QFont oldFont = p->font();
            if (subRule.hasFont)
                p->setFont(subRule.font);
            boxCopy.rect = subRule.contentsRect(opt->rect);
            ParentStyle::drawControl(ce, &boxCopy, p , w);
            if (subRule.hasFont)
                p->setFont(oldFont);
            return;
        }
        break;

    case CE_ScrollBarAddPage:
        pe1 = PseudoElement_ScrollBarAddPage;
        break;

    case CE_ScrollBarSubPage:
        pe1 = PseudoElement_ScrollBarSubPage;
        break;

    case CE_ScrollBarAddLine:
        pe1 = PseudoElement_ScrollBarAddLine;
        pe2 = (opt->state & QStyle::State_Horizontal) ? PseudoElement_ScrollBarRightArrow : PseudoElement_ScrollBarDownArrow;
        fallback = true;
        break;

    case CE_ScrollBarSubLine:
        pe1 = PseudoElement_ScrollBarSubLine;
        pe2 = (opt->state & QStyle::State_Horizontal) ? PseudoElement_ScrollBarLeftArrow : PseudoElement_ScrollBarUpArrow;
        fallback = true;
        break;

    case CE_ScrollBarFirst:
        pe1 = PseudoElement_ScrollBarFirst;
        break;

    case CE_ScrollBarLast:
        pe1 = PseudoElement_ScrollBarLast;
        break;

    case CE_ScrollBarSlider:
        pe1 = PseudoElement_ScrollBarSlider;
        fallback = true;
        break;

#ifndef QT_NO_ITEMVIEWS
    case CE_ItemViewItem:
        if (const QStyleOptionViewItemV4 *vopt = qstyleoption_cast<const QStyleOptionViewItemV4 *>(opt)) {
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ViewItem);
            if (subRule.hasDrawable() || hasStyleRule(w, PseudoElement_Indicator)) {
                QStyleOptionViewItemV4 optCopy(*vopt);
                subRule.configurePalette(&optCopy.palette, vopt->state & QStyle::State_Selected ? QPalette::HighlightedText : QPalette::Text,
                                         vopt->state & QStyle::State_Selected ? QPalette::Highlight : QPalette::Base);
                ParentStyle::drawControl(ce, &optCopy, p, w);
            } else if (baseStyle() != NULL) {
                QStyleOptionViewItemV4 voptCopy(*vopt);
                subRule.configurePalette(&voptCopy.palette, QPalette::Text, QPalette::NoRole);
                baseStyle()->drawControl(ce, &voptCopy, p, w);
            }
            return;
        }
        break;
#endif // QT_NO_ITEMVIEWS

#ifndef QT_NO_TABBAR
    case CE_TabBarTab:
        if (hasStyleRule(w, PseudoElement_TabBarTab)) {
            ParentStyle::drawControl(ce, opt, p, w);
            return;
        }
        break;

    case CE_TabBarTabLabel:
    case CE_TabBarTabShape:
        if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(opt)) {
            QStyleOptionTabV3 tabCopy(*tab);
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_TabBarTab);
            QRect r = positionRect(w, subRule, PseudoElement_TabBarTab, opt->rect, opt->direction);
            if (ce == CE_TabBarTabShape && subRule.hasDrawable()) {
                subRule.drawRule(p, r);
                return;
            }
            subRule.configurePalette(&tabCopy.palette, QPalette::WindowText, QPalette::Window);
            QFont oldFont = p->font();
            if (subRule.hasFont)
                p->setFont(subRule.font);
            if (subRule.hasBox() || !subRule.hasNativeBorder()) {
                tabCopy.rect = ce == CE_TabBarTabShape ? subRule.borderRect(r)
                                                       : subRule.contentsRect(r);
                ParentStyle::drawControl(ce, &tabCopy, p, w);
            } else if (baseStyle() != NULL) {
                baseStyle()->drawControl(ce, &tabCopy, p, w);
            }
            if (subRule.hasFont)
                p->setFont(oldFont);

            return;
        }
        break;
#endif // QT_NO_TABBAR

    case CE_ColumnViewGrip:
        if (rule.hasDrawable()) {
            rule.drawRule(p, opt->rect);
            return;
        }
        break;

    case CE_DockWidgetTitle:
        if (const QStyleOptionDockWidgetV2 *dwOpt = qstyleoption_cast<const QStyleOptionDockWidgetV2 *>(opt)) {
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_DockWidgetTitle);
            if (!subRule.hasDrawable() && !subRule.hasPosition())
                break;
            if (subRule.hasDrawable()) {
                subRule.drawRule(p, opt->rect);
            } else if (baseStyle() != NULL) {
                QStyleOptionDockWidgetV2 dwCopy(*dwOpt);
                dwCopy.title = QString();
                baseStyle()->drawControl(ce, &dwCopy, p, w);
            }

            if (!dwOpt->title.isEmpty()) {
//#warning QT5
                QRect r = /*opt->rect;*/subElementRect(SE_DockWidgetTitleBarText, opt, w);
                if (dwOpt->verticalTitleBar) {
                    QSize s = r.size();
                    s.transpose();
                    r.setSize(s);

                    p->save();
                    p->translate(r.left(), r.top() + r.width());
                    p->rotate(-90);
                    p->translate(-r.left(), -r.top());
                }

                Qt::Alignment alignment = 0;
                if (subRule.hasPosition())
                    alignment = subRule.position()->textAlignment;
                if (alignment == 0)
                    alignment = Qt::AlignLeft;
                QString titleText = p->fontMetrics().elidedText(dwOpt->title, Qt::ElideRight, r.width());

                drawItemText(p, r/* subRule.contentsRect(opt->rect)*/,
                             alignment | Qt::TextShowMnemonic, dwOpt->palette,
                             dwOpt->state & State_Enabled, titleText,
                             QPalette::WindowText);

                if (dwOpt->verticalTitleBar)
                    p->restore();
            }

            return;
        }
        break;
    case CE_ShapedFrame:
        if (const QStyleOptionFrame *frm = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
            if (rule.hasNativeBorder() && baseStyle() != NULL) {
                QStyleOptionFrameV3 frmOpt(*frm);
                rule.configurePalette(&frmOpt.palette, QPalette::Text, QPalette::Base);
                frmOpt.rect = rule.borderRect(frmOpt.rect);
                baseStyle()->drawControl(ce, &frmOpt, p, w);
            }
            // else, borders are already drawn in PE_Widget
        }
        return;


    default:
        break;
    }

    if (pe1 != PseudoElement_None) {
        QtCss::QRenderRule subRule = renderRule(w, opt, pe1);
        if (subRule.bg != 0 || subRule.hasDrawable()) {
            //We test subRule.bg directly because hasBackground() would return false for background:none.
            //But we still don't want the default drawning in that case (example for QScrollBar::add-page) (task 198926)
            subRule.drawRule(p, opt->rect);
        } else if (fallback) {
            ParentStyle::drawControl(ce, opt, p, w);
            pe2 = PseudoElement_None;
        } else if (baseStyle() != NULL) {
            baseStyle()->drawControl(ce, opt, p, w);
        }
        if (pe2 != PseudoElement_None) {
            QtCss::QRenderRule subSubRule = renderRule(w, opt, pe2);
            QRect r = positionRect(w, subRule, subSubRule, pe2, opt->rect, opt->direction);
            subSubRule.drawRule(p, r);
        }
        return;
    }

    if (baseStyle() != NULL) {
        baseStyle()->drawControl(ce, opt, p, w);
    }
}

void QtStyleSheetStyle::drawItemPixmap(QPainter *p, const QRect &rect, int alignment, const
                                           QPixmap &pixmap) const
{
    if (baseStyle() == NULL) {
        return;
    }

    baseStyle()->drawItemPixmap(p, rect, alignment, pixmap);
}

void QtStyleSheetStyle::drawItemText(QPainter *painter, const QRect& rect, int alignment, const QPalette &pal,
                                         bool enabled, const QString& text, QPalette::ColorRole textRole) const
{
    if (baseStyle() == NULL) {
        return;
    }

    baseStyle()->drawItemText(painter, rect, alignment, pal, enabled, text, textRole);
}

void QtStyleSheetStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
                                          const QWidget *w) const
{
//#warning REMOVE RECURSION_GUARD
    //    RECURSION_GUARD(baseStyle()->drawPrimitive(pe, opt, p, w); return)

    int pseudoElement = PseudoElement_None;
    QtCss::QRenderRule rule = renderRule(w, opt);
    QRect rect = opt->rect;

    switch (pe) {

    case PE_FrameStatusBar: {
        QtCss::QRenderRule subRule = renderRule(w ? w->parentWidget() : NULL, opt, PseudoElement_Item);
        if (subRule.hasDrawable()) {
            subRule.drawRule(p, opt->rect);
            return;
        }
        break;
    }

    case PE_IndicatorArrowDown:
        pseudoElement = PseudoElement_DownArrow;
        break;

    case PE_IndicatorArrowUp:
        pseudoElement = PseudoElement_UpArrow;
        break;

    case PE_IndicatorRadioButton:
        pseudoElement = PseudoElement_ExclusiveIndicator;
        break;

    case PE_IndicatorViewItemCheck:
        pseudoElement = PseudoElement_ViewItemIndicator;
        break;

    case PE_IndicatorCheckBox:
        pseudoElement = PseudoElement_Indicator;
        break;

    case PE_IndicatorHeaderArrow:
        if (const QStyleOptionHeader *hdr = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
            pseudoElement = hdr->sortIndicator == QStyleOptionHeader::SortUp
                    ? PseudoElement_HeaderViewUpArrow
                    : PseudoElement_HeaderViewDownArrow;
        }
        break;

    case PE_PanelButtonTool:
    case PE_PanelButtonCommand:
        if (qobject_cast<const QAbstractButton *>(w) && rule.hasBackground() && rule.hasNativeBorder()) {
            //the window style will draw the borders
            ParentStyle::drawPrimitive(pe, opt, p, w);
            if (!rule.background()->pixmap.isNull() || rule.hasImage()) {
                rule.drawRule(p, rule.boxRect(opt->rect, QtCss::QRenderRule::Margin).adjusted(1,1,-1,-1));
            }
            return;
        }
        if (!rule.hasNativeBorder()) {
            rule.drawRule(p, rule.boxRect(opt->rect, QtCss::QRenderRule::Margin));
            return;
        }
        break;

    case PE_IndicatorButtonDropDown: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ToolButtonMenu);
        if (!subRule.hasNativeBorder()) {
            rule.drawBorder(p, opt->rect);
            return;
        }
        break;
    }

    case PE_FrameDefaultButton:
        if (rule.hasNativeBorder()) {
            if (rule.baseStyleCanDraw())
                break;
            ParentStyle::drawPrimitive(pe, opt, p, w);
        }
        return;

    case PE_FrameWindow:
    case PE_FrameDockWidget:
    case PE_Frame:
        if (const QStyleOptionFrame *frm = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
            if (rule.hasNativeBorder() && baseStyle() != NULL) {
                QStyleOptionFrameV2 frmOpt(*frm);
                rule.configurePalette(&frmOpt.palette, QPalette::Text, QPalette::Base);
                if (!qstyleoption_cast<const QStyleOptionFrameV3 *>(opt)) //if it comes from  CE_ShapedFrame, the margins are already sustracted
                    frmOpt.rect = rule.borderRect(frmOpt.rect);
                baseStyle()->drawPrimitive(pe, &frmOpt, p, w);
            } else {
                rule.drawBorder(p, rule.borderRect(opt->rect));
            }
        }
        return;

    case PE_PanelLineEdit:
        if (const QStyleOptionFrame *frm = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
#ifndef QT_NO_SPINBOX
            if (w && qobject_cast<const QAbstractSpinBox *>(w->parentWidget())) {
                QtCss::QRenderRule spinboxRule = renderRule(w->parentWidget(), opt);
                if (!spinboxRule.hasNativeBorder() || !spinboxRule.baseStyleCanDraw())
                    return;
                rule = spinboxRule;
            }
#endif
            if (rule.hasNativeBorder()) {
                QStyleOptionFrame frmOpt(*frm);
                rule.configurePalette(&frmOpt.palette, QPalette::Text, QPalette::Base);
                frmOpt.rect = rule.borderRect(frmOpt.rect);
                if (rule.baseStyleCanDraw() && baseStyle() != NULL) {
                    rule.drawBackgroundImage(p, opt->rect);
                    baseStyle()->drawPrimitive(pe, &frmOpt, p, w);
                } else {
                    rule.drawBackground(p, opt->rect);
                    if (frmOpt.lineWidth > 0 && baseStyle() != NULL) {
                        baseStyle()->drawPrimitive(PE_FrameLineEdit, &frmOpt, p, w);
                    }
                }
            } else {
                rule.drawRule(p, opt->rect);
            }
        }
        return;

    case PE_Widget:
        if (w && !rule.hasDrawable()) {
            QWidget *container = containerWidget(w);
            if (styleSheetCaches->autoFillDisabledWidgets.contains(container)
                    && (container == w || !renderRule(container, opt).hasBackground())) {
                //we do not have a background, but we disabled the autofillbackground anyway. so fill the background now.
                // (this may happen if we have rules like :focus)
                p->fillRect(opt->rect, opt->palette.brush(w->backgroundRole()));
            }
            break;
        }
#ifndef QT_NO_SCROLLAREA
        if (const QAbstractScrollArea *sa = qobject_cast<const QAbstractScrollArea *>(w)) {
            ParentStyle::drawPrimitive(pe, opt, p, w);
//#warning FIXME
            //FIXME BUD CODE
            QPoint offset;
            if (sa->verticalScrollBar()->isVisible())
                offset.setY(sa->verticalScrollBar()->value());
            if (sa->horizontalScrollBar()->isVisible()) {
                if (sa->isRightToLeft())
                    offset.setX(sa->horizontalScrollBar()->maximum() - sa->horizontalScrollBar()->value());
                else
                    offset.setX(sa->horizontalScrollBar()->value());
            }
            //                        QAbstractScrollArea::
            //            const QAbstractScrollAreaPrivate *sap = sa->d_func();
            rule.drawBackground(p, opt->rect, /*sap->contentsOffset()*/offset);
            if (rule.hasBorder()) {
                QRect brect = rule.borderRect(opt->rect);
                if (styleHint(QStyle::SH_ScrollView_FrameOnlyAroundContents, opt, w)) {
                    QRect r = brect.adjusted(0, 0, sa->verticalScrollBar()->isVisible() ? -sa->verticalScrollBar()->width() : 0,
                                             sa->horizontalScrollBar()->isVisible() ? -sa->horizontalScrollBar()->height() : 0);
                    brect = QStyle::visualRect(opt->direction, brect, r);
                }
                rule.drawBorder(p, brect);
            }
            break;
        }
#endif
        //fall tghought
    case PE_PanelMenu:
    case PE_PanelStatusBar:
        if(rule.hasDrawable()) {
            rule.drawRule(p, opt->rect);
            return;
        }
        break;

    case PE_FrameMenu:
        if (rule.hasDrawable()) {
            // Drawn by PE_PanelMenu
            return;
        }
        break;

    case PE_PanelMenuBar:
        if (rule.hasDrawable()) {
            // Drawn by PE_Widget
            return;
        }
        break;

    case PE_IndicatorToolBarSeparator:
    case PE_IndicatorToolBarHandle: {
        PseudoElement ps = pe == PE_IndicatorToolBarHandle ? PseudoElement_ToolBarHandle : PseudoElement_ToolBarSeparator;
        QtCss::QRenderRule subRule = renderRule(w, opt, ps);
        if (subRule.hasDrawable()) {
            subRule.drawRule(p, opt->rect);
            return;
        }
    }
        break;

    case PE_IndicatorMenuCheckMark:
        pseudoElement = PseudoElement_MenuCheckMark;
        break;

    case PE_IndicatorArrowLeft:
        pseudoElement = PseudoElement_LeftArrow;
        break;

    case PE_IndicatorArrowRight:
        pseudoElement = PseudoElement_RightArrow;
        break;

    case PE_IndicatorColumnViewArrow:
        if (const QStyleOptionViewItem *viewOpt = qstyleoption_cast<const QStyleOptionViewItem *>(opt)) {
            bool reverse = (viewOpt->direction == Qt::RightToLeft);
            pseudoElement = reverse ? PseudoElement_LeftArrow : PseudoElement_RightArrow;
        } else {
            pseudoElement = PseudoElement_RightArrow;
        }
        break;

    case PE_IndicatorBranch:
        if (const QStyleOptionViewItemV2 *v2 = qstyleoption_cast<const QStyleOptionViewItemV2 *>(opt)) {
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_TreeViewBranch);
            if (subRule.hasDrawable()) {
                if ((v2->state & QStyle::State_Selected) && v2->showDecorationSelected)
                    p->fillRect(v2->rect, v2->palette.highlight());
                else if (v2->features & QStyleOptionViewItemV2::Alternate)
                    p->fillRect(v2->rect, v2->palette.alternateBase());
                subRule.drawRule(p, opt->rect);
            } else if (baseStyle() != NULL) {
                baseStyle()->drawPrimitive(pe, v2, p, w);
            }
        }
        return;

    case PE_PanelTipLabel:
        if (!rule.hasDrawable())
            break;

        if (const QStyleOptionFrame *frmOpt = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
            if (rule.hasNativeBorder() && baseStyle() != NULL) {
                rule.drawBackground(p, opt->rect);
                QStyleOptionFrame optCopy(*frmOpt);
                optCopy.rect = rule.borderRect(opt->rect);
                optCopy.palette.setBrush(QPalette::Window, Qt::NoBrush); // oh dear
                baseStyle()->drawPrimitive(pe, &optCopy, p, w);
            } else {
                rule.drawRule(p, opt->rect);
            }
        }
        return;

    case PE_FrameGroupBox:
        if (rule.hasNativeBorder())
            break;
        rule.drawBorder(p, opt->rect);
        return;

#ifndef QT_NO_TABWIDGET
    case PE_FrameTabWidget:
        if (const QStyleOptionTabWidgetFrame *frm = qstyleoption_cast<const QStyleOptionTabWidgetFrame *>(opt)) {
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_TabWidgetPane);
            if (subRule.hasNativeBorder() && baseStyle() != NULL) {
                subRule.drawBackground(p, opt->rect);
                QStyleOptionTabWidgetFrameV2 frmCopy(*frm);
                subRule.configurePalette(&frmCopy.palette, QPalette::WindowText, QPalette::Window);
                baseStyle()->drawPrimitive(pe, &frmCopy, p, w);
            } else {
                subRule.drawRule(p, opt->rect);
            }
            return;
        }
        break;
#endif // QT_NO_TABWIDGET

    case PE_IndicatorProgressChunk:
        pseudoElement = PseudoElement_ProgressBarChunk;
        break;

    case PE_IndicatorTabTear:
        pseudoElement = PseudoElement_TabBarTear;
        break;

    case PE_FrameFocusRect:
        if (!rule.hasNativeOutline()) {
            rule.drawOutline(p, opt->rect);
            return;
        }
        break;

    case PE_IndicatorDockWidgetResizeHandle:
        pseudoElement = PseudoElement_DockWidgetSeparator;
        break;

    case PE_PanelItemViewItem:
        pseudoElement = PseudoElement_ViewItem;
        break;

    case PE_PanelScrollAreaCorner:
        pseudoElement = PseudoElement_ScrollAreaCorner;
        return;
//#warning TODO
        //TODO ะะพั€ะผะฐะปัŒะฝะพ ะพั‚ั€ะธัะพะฒั‹ะฒะฐั‚ัŒ, ะฟะพะดัะผะพั‚ั€ะตะฒ ะฒ ะบะฐะบะพะผ ะฝะธะฑัƒะดัŒ ะธะท ัั‚ะธะปะตะน
        // ะธะผะตะฝะฝะพ ะธะท ะทะฐ ัั‚ะพะน ัˆั‚ัƒะบะธ ะบั€ะธะฒะพ ั€ะธััƒัŽั‚ัั ั„ั€ะตะนะผั‹ ะฒะพะบั€ัƒะณ ัะบั€ะพะปะธั€ัƒะตะผั‹ั… ะพะฑะปะฐัั‚ะตะน
        break;

    case PE_IndicatorSpinDown:
    case PE_IndicatorSpinMinus:
        pseudoElement = PseudoElement_SpinBoxDownArrow;
        break;

    case PE_IndicatorSpinUp:
    case PE_IndicatorSpinPlus:
        pseudoElement = PseudoElement_SpinBoxUpArrow;
        break;
#ifndef QT_NO_TABBAR
    case PE_IndicatorTabClose:
        if (w)
            w = w->parentWidget(); //match on the QTabBar instead of the CloseButton
        pseudoElement = PseudoElement_TabBarTabCloseButton;
#endif

    default:
        break;
    }

    if (pseudoElement != PseudoElement_None) {
        QtCss::QRenderRule subRule = renderRule(w, opt, pseudoElement);
        if (subRule.hasDrawable()) {
            subRule.drawRule(p, rect);
        } else if (baseStyle() != NULL) {
            baseStyle()->drawPrimitive(pe, opt, p, w);
        }
    } else if (baseStyle() != NULL) {
        baseStyle()->drawPrimitive(pe, opt, p, w);
    }
}

QPixmap QtStyleSheetStyle::generatedIconPixmap(QIcon::Mode iconMode, const QPixmap& pixmap,
                                                   const QStyleOption *option) const
{
    if (baseStyle() == NULL) {
        return QPixmap();
    }

    return baseStyle()->generatedIconPixmap(iconMode, pixmap, option);
}

QStyle::SubControl QtStyleSheetStyle::hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt,
                                                                const QPoint &pt, const QWidget *w) const
{
    //    if (baseStyle() != NULL) {
    //        baseStyle()->hitTestComplexControl(cc, opt, pt, w);
    //    }

//#warning REMOVE RECURSION_GUARD
    //    RECURSION_GUARD(return baseStyle()->hitTestComplexControl(cc, opt, pt, w))
    switch (cc) {
    case CC_TitleBar:
        if (const QStyleOptionTitleBar *tb = qstyleoption_cast<const QStyleOptionTitleBar *>(opt)) {
            QtCss::QRenderRule rule = renderRule(w, opt, PseudoElement_TitleBar);
            if (rule.hasDrawable() || rule.hasBox() || rule.hasBorder()) {
                QHash<QStyle::SubControl, QRect> layout = titleBarLayout(w, tb);
                QRect r;
                QStyle::SubControl sc = QStyle::SC_None;
                uint ctrl = SC_TitleBarSysMenu;
                while (ctrl <= SC_TitleBarLabel) {
                    r = layout[QStyle::SubControl(ctrl)];
                    if (r.isValid() && r.contains(pt)) {
                        sc = QStyle::SubControl(ctrl);
                        break;
                    }
                    ctrl <<= 1;
                }
                return sc;
            }
        }
        break;

    case CC_MdiControls:
        if (hasStyleRule(w, PseudoElement_MdiCloseButton)
                || hasStyleRule(w, PseudoElement_MdiNormalButton)
                || hasStyleRule(w, PseudoElement_MdiMinButton))
            return ParentStyle::hitTestComplexControl(cc, opt, pt, w);
        break;

    case CC_ScrollBar: {
        QtCss::QRenderRule rule = renderRule(w, opt);
        if (!rule.hasDrawable() && !rule.hasBox())
            break;
    }
        // intentionally falls through
    case CC_SpinBox:
    case CC_GroupBox:
    case CC_ComboBox:
    case CC_Slider:
    case CC_ToolButton:
        return ParentStyle::hitTestComplexControl(cc, opt, pt, w);
    default:
        break;
    }

    if (baseStyle() != NULL) {
        return baseStyle()->hitTestComplexControl(cc, opt, pt, w);
    }

    return QStyle::SC_None;
}

QRect QtStyleSheetStyle::itemPixmapRect(const QRect &rect, int alignment, const QPixmap &pixmap) const
{
    if (baseStyle() == NULL) {
        return QRect();
    }

    return baseStyle()->itemPixmapRect(rect, alignment, pixmap);
}

QRect QtStyleSheetStyle::itemTextRect(const QFontMetrics &metrics, const QRect& rect, int alignment,
                                          bool enabled, const QString& text) const
{
    if (baseStyle() == NULL) {
        return QRect();
    }

    return baseStyle()->itemTextRect(metrics, rect, alignment, enabled, text);
}

int QtStyleSheetStyle::pixelMetric(PixelMetric m, const QStyleOption *opt, const QWidget *w) const
{
//#warning REMOVE RECURSION_GUARD
    //    RECURSION_GUARD(return baseStyle()->pixelMetric(m, opt, w))

    QtCss::QRenderRule rule = renderRule(w, opt);
    QtCss::QRenderRule subRule;

    switch (m) {
    case PM_MenuButtonIndicator:
#ifndef QT_NO_TOOLBUTTON
        // QToolButton adds this directly to the width
        if (qobject_cast<const QToolButton *>(w) && (rule.hasBox() || !rule.hasNativeBorder()))
            return 0;
#endif
        subRule = renderRule(w, opt, PseudoElement_PushButtonMenuIndicator);
        if (subRule.hasContentsSize())
            return subRule.size().width();
        break;

    case PM_ButtonShiftHorizontal:
    case PM_ButtonShiftVertical:
    case PM_ButtonMargin:
    case PM_ButtonDefaultIndicator:
        if (rule.hasBox())
            return 0;
        break;

    case PM_DefaultFrameWidth:
        if (!rule.hasNativeBorder())
            return rule.border()->borders[LeftEdge];
        break;

    case PM_ExclusiveIndicatorWidth:
    case PM_IndicatorWidth:
    case PM_ExclusiveIndicatorHeight:
    case PM_IndicatorHeight:
        subRule = renderRule(w, opt, PseudoElement_Indicator);
        if (subRule.hasContentsSize()) {
            return (m == PM_ExclusiveIndicatorWidth) || (m == PM_IndicatorWidth)
                    ? subRule.size().width() : subRule.size().height();
        }
        break;

    case PM_DockWidgetFrameWidth:
    case PM_ToolTipLabelFrameWidth: // border + margin + padding (support only one width)
        if (!rule.hasDrawable())
            break;

        return (rule.border() ? rule.border()->borders[LeftEdge] : 0)
                + (rule.hasBox() ? rule.box()->margins[LeftEdge] + rule.box()->paddings[LeftEdge]: 0);

    case PM_ToolBarFrameWidth:
        if (rule.hasBorder() || rule.hasBox())
            return (rule.border() ? rule.border()->borders[LeftEdge] : 0)
                    + (rule.hasBox() ? rule.box()->paddings[LeftEdge]: 0);
        break;

    case PM_MenuPanelWidth:
    case PM_MenuBarPanelWidth:
        if (rule.hasBorder() || rule.hasBox())
            return (rule.border() ? rule.border()->borders[LeftEdge] : 0)
                    + (rule.hasBox() ? rule.box()->margins[LeftEdge]: 0);
        break;


    case PM_MenuHMargin:
    case PM_MenuBarHMargin:
        if (rule.hasBox())
            return rule.box()->paddings[LeftEdge];
        break;

    case PM_MenuVMargin:
    case PM_MenuBarVMargin:
        if (rule.hasBox())
            return rule.box()->paddings[TopEdge];
        break;

    case PM_DockWidgetTitleBarButtonMargin:
    case PM_ToolBarItemMargin:
        if (rule.hasBox())
            return rule.box()->margins[TopEdge];
        break;

    case PM_ToolBarItemSpacing:
    case PM_MenuBarItemSpacing:
        if (rule.hasBox() && rule.box()->spacing != -1)
            return rule.box()->spacing;
        break;

    case PM_MenuTearoffHeight:
    case PM_MenuScrollerHeight: {
        PseudoElement ps = m == PM_MenuTearoffHeight ? PseudoElement_MenuTearoff : PseudoElement_MenuScroller;
        subRule = renderRule(w, opt, ps);
        if (subRule.hasContentsSize())
            return subRule.size().height();
        break;
    }

    case PM_ToolBarExtensionExtent:
        break;

    case PM_SplitterWidth:
    case PM_ToolBarSeparatorExtent:
    case PM_ToolBarHandleExtent: {
        PseudoElement ps;
        if (m == PM_ToolBarHandleExtent) ps = PseudoElement_ToolBarHandle;
        else if (m == PM_SplitterWidth) ps = PseudoElement_SplitterHandle;
        else ps = PseudoElement_ToolBarSeparator;
        subRule = renderRule(w, opt, ps);
        if (subRule.hasContentsSize()) {
            QSize sz = subRule.size();
            return (opt && opt->state & QStyle::State_Horizontal) ? sz.width() : sz.height();
        }
        break;
    }

    case PM_RadioButtonLabelSpacing:
        if (rule.hasBox() && rule.box()->spacing != -1)
            return rule.box()->spacing;
        break;
    case PM_CheckBoxLabelSpacing:
        if (qobject_cast<const QCheckBox *>(w)) {
            if (rule.hasBox() && rule.box()->spacing != -1)
                return rule.box()->spacing;
        }
        // assume group box
        subRule = renderRule(w, opt, PseudoElement_GroupBoxTitle);
        if (subRule.hasBox() && subRule.box()->spacing != -1)
            return subRule.box()->spacing;
        break;

#ifndef QT_NO_SCROLLBAR
    case PM_ScrollBarExtent:
        if (rule.hasContentsSize()) {
            QSize sz = rule.size();
            if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(opt))
                return sb->orientation == Qt::Horizontal ? sz.height() : sz.width();
            return sz.width() == -1 ? sz.height() : sz.width();
        }
        break;

    case PM_ScrollBarSliderMin:
        if (hasStyleRule(w, PseudoElement_ScrollBarSlider)) {
            subRule = renderRule(w, opt, PseudoElement_ScrollBarSlider);
            QSize msz = subRule.minimumSize();
            if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(opt))
                return sb->orientation == Qt::Horizontal ? msz.width() : msz.height();
            return msz.width() == -1 ? msz.height() : msz.width();
        }
        break;

    case PM_ScrollView_ScrollBarSpacing:
        if(!rule.hasNativeBorder() || rule.hasBox())
            return 0;
        break;
#endif // QT_NO_SCROLLBAR

    case PM_ProgressBarChunkWidth:
        subRule = renderRule(w, opt, PseudoElement_ProgressBarChunk);
        if (subRule.hasContentsSize()) {
            QSize sz = subRule.size();
            return (opt->state & QStyle::State_Horizontal)
                    ? sz.width() : sz.height();
        }
        break;

#ifndef QT_NO_TABWIDGET
    case PM_TabBarTabHSpace:
    case PM_TabBarTabVSpace:
        subRule = renderRule(w, opt, PseudoElement_TabBarTab);
        if (subRule.hasBox() || subRule.hasBorder())
            return 0;
        break;

    case PM_TabBarScrollButtonWidth:   {
        subRule = renderRule(w, opt, PseudoElement_TabBarScroller);
        if (subRule.hasContentsSize()) {
            QSize sz = subRule.size();
            return sz.width() != -1 ? sz.width() : sz.height();
        }
    }
        break;

    case PM_TabBarTabShiftHorizontal:
    case PM_TabBarTabShiftVertical:
        subRule = renderRule(w, opt, PseudoElement_TabBarTab);
        if (subRule.hasBox())
            return 0;
        break;

    case PM_TabBarBaseOverlap: {
        const QWidget *tabWidget = qobject_cast<const QTabWidget *>(w) ? w : w->parentWidget();
        if (hasStyleRule(tabWidget, PseudoElement_TabWidgetPane)) {
            return 0;
        }
        break;
    }
#endif // QT_NO_TABWIDGET

    case PM_SliderThickness: // horizontal slider's height (sizeHint)
    case PM_SliderLength: // minimum length of slider
        if (rule.hasContentsSize()) {
            bool horizontal = opt->state & QStyle::State_Horizontal;
            if (m == PM_SliderThickness) {
                QSize sz = rule.size();
                return horizontal ? sz.height() : sz.width();
            } else {
                QSize msz = rule.minimumContentsSize();
                return horizontal ? msz.width() : msz.height();
            }
        }
        break;

    case PM_SliderControlThickness: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_SliderHandle);
        if (!subRule.hasContentsSize())
            break;
        QSize size = subRule.size();
        return (opt->state & QStyle::State_Horizontal) ? size.height() : size.width();
    }

    case PM_ToolBarIconSize:
    case PM_ListViewIconSize:
    case PM_IconViewIconSize:
    case PM_TabBarIconSize:
    case PM_MessageBoxIconSize:
    case PM_ButtonIconSize:
    case PM_SmallIconSize:
        if (rule.hasStyleHint(QLatin1String("icon-size"))) {
            return rule.styleHint(QLatin1String("icon-size")).toSize().width();
        }
        break;

    case PM_DockWidgetTitleMargin: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_DockWidgetTitle);
        if (!subRule.hasBox())
            break;
        return (subRule.border() ? subRule.border()->borders[TopEdge] : 0)
                + (subRule.hasBox() ? subRule.box()->margins[TopEdge] + subRule.box()->paddings[TopEdge]: 0);
    }

    case PM_DockWidgetSeparatorExtent: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_DockWidgetSeparator);
        if (!subRule.hasContentsSize())
            break;
        QSize sz = subRule.size();
        return qMax(sz.width(), sz.height());
    }

    case PM_TitleBarHeight: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_TitleBar);
        if (subRule.hasContentsSize())
            return subRule.size().height();
        else if (subRule.hasBox() || subRule.hasBorder()) {
            QFontMetrics fm = opt ?  opt->fontMetrics : w->fontMetrics();
            return subRule.size(QSize(0, fm.height())).height();
        }
        break;
    }

    case PM_MdiSubWindowFrameWidth:
        if (rule.hasBox() || rule.hasBorder()) {
            return (rule.border() ? rule.border()->borders[LeftEdge] : 0)
                    + (rule.hasBox() ? rule.box()->paddings[LeftEdge]+rule.box()->margins[LeftEdge]: 0);
        }
        break;

    case PM_MdiSubWindowMinimizedWidth: {
        QtCss::QRenderRule subRule = renderRule(w, PseudoElement_None, PseudoClass_Minimized);
        int width = subRule.size().width();
        if (width != -1)
            return width;
        break;
    }
    default:
        break;
    }

    if (baseStyle() != NULL) {
        return baseStyle()->pixelMetric(m, opt, w);
    }

    return PM_CustomBase;
}

QSize QtStyleSheetStyle::sizeFromContents(ContentsType ct, const QStyleOption *opt,
                                              const QSize &csz, const QWidget *w) const
{
//#warning REMOVE RG
    //    RECURSION_GUARD(return baseStyle()->sizeFromContents(ct, opt, csz, w))

    QtCss::QRenderRule rule = renderRule(w, opt);
    QSize sz = rule.adjustSize(csz);

    switch (ct) {
    case CT_SpinBox: // ### hopelessly broken QAbstractSpinBox (part 1)
        if (rule.hasBox() || !rule.hasNativeBorder())
            return csz;
        return rule.baseStyleCanDraw() && baseStyle() != NULL ? baseStyle()->sizeFromContents(ct, opt, sz, w)
                                                              : ParentStyle::sizeFromContents(ct, opt, sz, w);
    case CT_ToolButton:
        if (rule.hasBox() || !rule.hasNativeBorder() || !rule.baseStyleCanDraw())
            sz += QSize(3, 3); // ### broken QToolButton
        //fall thought
    case CT_ComboBox:
    case CT_PushButton:
        if (rule.hasBox() || !rule.hasNativeBorder()) {
            if(ct == CT_ComboBox) {
                //add some space for the drop down.
                QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ComboBoxDropDown);
                QRect comboRect = positionRect(w, rule, subRule, PseudoElement_ComboBoxDropDown, opt->rect, opt->direction);
                //+2 because there is hardcoded margins in QCommonStyle::drawControl(CE_ComboBoxLabel)
                sz += QSize(comboRect.width() + 2, 0);
            }
            return rule.boxSize(sz);
        }
        sz = rule.baseStyleCanDraw() && baseStyle() != NULL ? baseStyle()->sizeFromContents(ct, opt, sz, w)
                                                            : ParentStyle::sizeFromContents(ct, opt, sz, w);
        return rule.boxSize(sz, Margin);

    case CT_HeaderSection: {
        if (const QStyleOptionHeader *hdr = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewSection);
            if (subRule.hasGeometry() || subRule.hasBox() || !subRule.hasNativeBorder() || subRule.hasFont) {
                sz = subRule.adjustSize(csz);
                if (!subRule.hasGeometry()) {
                    QSize nativeContentsSize;
                    bool nullIcon = hdr->icon.isNull();
                    int iconSize = nullIcon ? 0 : pixelMetric(QStyle::PM_SmallIconSize, hdr, w);
                    const QSize txt = subRule.hasFont ? QFontMetrics(subRule.font).size(0, hdr->text)
                                                      : hdr->fontMetrics.size(0, hdr->text);
                    nativeContentsSize.setHeight(qMax(iconSize, txt.height()));
                    nativeContentsSize.setWidth(iconSize + txt.width());
                    sz = sz.expandedTo(nativeContentsSize);
                }
                return subRule.size(sz);
            }
            return subRule.baseStyleCanDraw() && baseStyle() != NULL ? baseStyle()->sizeFromContents(ct, opt, sz, w)
                                                                     : ParentStyle::sizeFromContents(ct, opt, sz, w);
        }
    }
        break;
    case CT_GroupBox:
    case CT_LineEdit:
#ifndef QT_NO_SPINBOX
        // ### hopelessly broken QAbstractSpinBox (part 2)
        if (QAbstractSpinBox *spinBox = qobject_cast<QAbstractSpinBox *>(w ? w->parentWidget() : 0)) {
            QtCss::QRenderRule rule = renderRule(spinBox, opt);
            if (rule.hasBox() || !rule.hasNativeBorder())
                return csz;
            return rule.baseStyleCanDraw() && baseStyle() != NULL ? baseStyle()->sizeFromContents(ct, opt, sz, w)
                                                                  : ParentStyle::sizeFromContents(ct, opt, sz, w);
        }
#endif
        if (rule.hasBox() || !rule.hasNativeBorder()) {
            return rule.boxSize(sz);
        }
        break;

    case CT_CheckBox:
    case CT_RadioButton:
        if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
            if (rule.hasBox() || rule.hasBorder() || hasStyleRule(w, PseudoElement_Indicator)) {
                bool isRadio = (ct == CT_RadioButton);
                int iw = pixelMetric(isRadio ? PM_ExclusiveIndicatorWidth
                                             : PM_IndicatorWidth, btn, w);
                int ih = pixelMetric(isRadio ? PM_ExclusiveIndicatorHeight
                                             : PM_IndicatorHeight, btn, w);

                int spacing = pixelMetric(isRadio ? PM_RadioButtonLabelSpacing
                                                  : PM_CheckBoxLabelSpacing, btn, w);
                sz.setWidth(sz.width() + iw + spacing);
                sz.setHeight(qMax(sz.height(), ih));
                return rule.boxSize(sz);
            }
        }
        break;

    case CT_Menu:
    case CT_MenuBar: // already has everything!
    case CT_ScrollBar:
        if (rule.hasBox() || rule.hasBorder())
            return sz;
        break;

    case CT_MenuItem:
        if (const QStyleOptionMenuItem *mi = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
            PseudoElement pe = (mi->menuItemType == QStyleOptionMenuItem::Separator)
                    ? PseudoElement_MenuSeparator : PseudoElement_Item;
            QtCss::QRenderRule subRule = renderRule(w, opt, pe);
            if ((pe == PseudoElement_MenuSeparator) && subRule.hasContentsSize()) {
                return QSize(sz.width(), subRule.size().height());
            } else if ((pe == PseudoElement_Item) && (subRule.hasBox() || subRule.hasBorder())) {
                int width = csz.width();
                if (mi->text.contains(QLatin1Char('\t')))
                    width += 12; //as in QCommonStyle
                return subRule.boxSize(subRule.adjustSize(QSize(width, csz.height())));
            }
        }
        break;

    case CT_Splitter:
    case CT_MenuBarItem: {
        PseudoElement pe = (ct == CT_Splitter) ? PseudoElement_SplitterHandle : PseudoElement_Item;
        QtCss::QRenderRule subRule = renderRule(w, opt, pe);
        if (subRule.hasBox() || subRule.hasBorder())
            return subRule.boxSize(sz);
        break;
    }

    case CT_ProgressBar:
    case CT_SizeGrip:
        return (rule.hasContentsSize() || baseStyle() == NULL)
                ? rule.size(sz)
                : rule.boxSize(baseStyle()->sizeFromContents(ct, opt, sz, w));
        break;

    case CT_Slider:
        if (rule.hasBorder() || rule.hasBox() || rule.hasGeometry())
            return rule.boxSize(sz);
        break;

#ifndef QT_NO_TABBAR
    case CT_TabBarTab: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_TabBarTab);
        if (subRule.hasBox() || !subRule.hasNativeBorder()) {
            int spaceForIcon = 0;
            bool vertical = false;
            if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(opt)) {
                if (!tab->icon.isNull())
                    spaceForIcon = 6 /* icon offset */ + 4 /* spacing */ + 2 /* magic */; // ###: hardcoded to match with common style
                vertical = verticalTabs(tab->shape);
            }
            sz = csz + QSize(vertical ? 0 : spaceForIcon, vertical ? spaceForIcon : 0);
            return subRule.boxSize(subRule.adjustSize(sz));
        }
#ifdef Q_WS_MAC
        if (baseStyle != NULL && baseStyle()->inherits("QMacStyle")) {
            //adjust the size after the call to the style because the mac style ignore the size arguments anyway.
            //this might cause the (max-){width,height} property to include the native style border while they should not.
            return subRule.adjustSize(baseStyle()->sizeFromContents(ct, opt, csz, w));
        }
#endif
        sz = subRule.adjustSize(csz);
        break;
    }
#endif // QT_NO_TABBAR

    case CT_MdiControls:
        if (const QStyleOptionComplex *ccOpt = qstyleoption_cast<const QStyleOptionComplex *>(opt)) {
            if (!hasStyleRule(w, PseudoElement_MdiCloseButton)
                    && !hasStyleRule(w, PseudoElement_MdiNormalButton)
                    && !hasStyleRule(w, PseudoElement_MdiMinButton))
                break;

            QList<QVariant> layout = rule.styleHint(QLatin1String("button-layout")).toList();
            if (layout.isEmpty())
                layout = subControlLayout(QLatin1String("mNX"));

            int width = 0, height = 0;
            for (int i = 0; i < layout.count(); i++) {
                int layoutButton = layout[i].toInt();
                if (layoutButton < PseudoElement_MdiCloseButton
                        || layoutButton > PseudoElement_MdiNormalButton)
                    continue;
                QStyle::SubControl sc = knownPseudoElements[layoutButton].subControl;
                if (!(ccOpt->subControls & sc))
                    continue;
                QtCss::QRenderRule subRule = renderRule(w, opt, layoutButton);
                QSize sz = subRule.size();
                width += sz.width();
                height = qMax(height, sz.height());
            }

            return QSize(width, height);
        }
        break;

#ifndef QT_NO_ITEMVIEWS
    case CT_ItemViewItem: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ViewItem);
        if (baseStyle() != NULL) {
            sz = baseStyle()->sizeFromContents(ct, opt, csz, w);
        }
        sz = subRule.adjustSize(sz);
        if (subRule.hasBox() || subRule.hasBorder())
            sz = subRule.boxSize(sz);
        return sz;
    }
#endif // QT_NO_ITEMVIEWS

    default:
        break;
    }

    if (baseStyle() != NULL) {
        return baseStyle()->sizeFromContents(ct, opt, sz, w);
    }

    return QSize();
}

/*!
    \internal
*/
static QLatin1String propertyNameForStandardPixmap(QStyle::StandardPixmap sp)
{
    switch (sp) {
    case QStyle::SP_TitleBarMenuButton: return QLatin1String("titlebar-menu-icon");
    case QStyle::SP_TitleBarMinButton: return QLatin1String("titlebar-minimize-icon");
    case QStyle::SP_TitleBarMaxButton: return QLatin1String("titlebar-maximize-icon");
    case QStyle::SP_TitleBarCloseButton: return QLatin1String("titlebar-close-icon");
    case QStyle::SP_TitleBarNormalButton: return QLatin1String("titlebar-normal-icon");
    case QStyle::SP_TitleBarShadeButton: return QLatin1String("titlebar-shade-icon");
    case QStyle::SP_TitleBarUnshadeButton: return QLatin1String("titlebar-unshade-icon");
    case QStyle::SP_TitleBarContextHelpButton: return QLatin1String("titlebar-contexthelp-icon");
    case QStyle::SP_DockWidgetCloseButton: return QLatin1String("dockwidget-close-icon");
    case QStyle::SP_MessageBoxInformation: return QLatin1String("messagebox-information-icon");
    case QStyle::SP_MessageBoxWarning: return QLatin1String("messagebox-warning-icon");
    case QStyle::SP_MessageBoxCritical: return QLatin1String("messagebox-critical-icon");
    case QStyle::SP_MessageBoxQuestion: return QLatin1String("messagebox-question-icon");
    case QStyle::SP_DesktopIcon: return QLatin1String("desktop-icon");
    case QStyle::SP_TrashIcon: return QLatin1String("trash-icon");
    case QStyle::SP_ComputerIcon: return QLatin1String("computer-icon");
    case QStyle::SP_DriveFDIcon: return QLatin1String("floppy-icon");
    case QStyle::SP_DriveHDIcon: return QLatin1String("harddisk-icon");
    case QStyle::SP_DriveCDIcon: return QLatin1String("cd-icon");
    case QStyle::SP_DriveDVDIcon: return QLatin1String("dvd-icon");
    case QStyle::SP_DriveNetIcon: return QLatin1String("network-icon");
    case QStyle::SP_DirOpenIcon: return QLatin1String("directory-open-icon");
    case QStyle::SP_DirClosedIcon: return QLatin1String("directory-closed-icon");
    case QStyle::SP_DirLinkIcon: return QLatin1String("directory-link-icon");
    case QStyle::SP_FileIcon: return QLatin1String("file-icon");
    case QStyle::SP_FileLinkIcon: return QLatin1String("file-link-icon");
    case QStyle::SP_FileDialogStart: return QLatin1String("filedialog-start-icon");
    case QStyle::SP_FileDialogEnd: return QLatin1String("filedialog-end-icon");
    case QStyle::SP_FileDialogToParent: return QLatin1String("filedialog-parent-directory-icon");
    case QStyle::SP_FileDialogNewFolder: return QLatin1String("filedialog-new-directory-icon");
    case QStyle::SP_FileDialogDetailedView: return QLatin1String("filedialog-detailedview-icon");
    case QStyle::SP_FileDialogInfoView: return QLatin1String("filedialog-infoview-icon");
    case QStyle::SP_FileDialogContentsView: return QLatin1String("filedialog-contentsview-icon");
    case QStyle::SP_FileDialogListView: return QLatin1String("filedialog-listview-icon");
    case QStyle::SP_FileDialogBack: return QLatin1String("filedialog-backward-icon");
    case QStyle::SP_DirIcon: return QLatin1String("directory-icon");
    case QStyle::SP_DialogOkButton: return QLatin1String("dialog-ok-icon");
    case QStyle::SP_DialogCancelButton: return QLatin1String("dialog-cancel-icon");
    case QStyle::SP_DialogHelpButton: return QLatin1String("dialog-help-icon");
    case QStyle::SP_DialogOpenButton: return QLatin1String("dialog-open-icon");
    case QStyle::SP_DialogSaveButton: return QLatin1String("dialog-save-icon");
    case QStyle::SP_DialogCloseButton: return QLatin1String("dialog-close-icon");
    case QStyle::SP_DialogApplyButton: return QLatin1String("dialog-apply-icon");
    case QStyle::SP_DialogResetButton: return QLatin1String("dialog-reset-icon");
    case QStyle::SP_DialogDiscardButton: return QLatin1String("discard-icon");
    case QStyle::SP_DialogYesButton: return QLatin1String("dialog-yes-icon");
    case QStyle::SP_DialogNoButton: return QLatin1String("dialog-no-icon");
    case QStyle::SP_ArrowUp: return QLatin1String("uparrow-icon");
    case QStyle::SP_ArrowDown: return QLatin1String("downarrow-icon");
    case QStyle::SP_ArrowLeft: return QLatin1String("leftarrow-icon");
    case QStyle::SP_ArrowRight: return QLatin1String("rightarrow-icon");
    case QStyle::SP_ArrowBack: return QLatin1String("backward-icon");
    case QStyle::SP_ArrowForward: return QLatin1String("forward-icon");
    case QStyle::SP_DirHomeIcon: return QLatin1String("home-icon");
    default: return QLatin1String("");
    }
}

QIcon QtStyleSheetStyle::standardIconImplementation(StandardPixmap standardIcon, const QStyleOption *opt,
                                                        const QWidget *w) const
{
    //    RECURSION_GUARD(return baseStyle()->standardIcon(standardIcon, opt, w))
    QString s = propertyNameForStandardPixmap(standardIcon);
    if (!s.isEmpty()) {
        QtCss::QRenderRule rule = renderRule(w, opt);
        if (rule.hasStyleHint(s))
            return qvariant_cast<QIcon>(rule.styleHint(s));
    }

    if (baseStyle() != NULL) {
        return baseStyle()->standardIcon(standardIcon, opt, w);
    }

    return QIcon();
}

QPalette QtStyleSheetStyle::standardPalette() const
{
    if (baseStyle() != NULL) {
        return baseStyle()->standardPalette();
    }

    return QPalette();
}

QPixmap QtStyleSheetStyle::standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt,
                                              const QWidget *w) const
{
    //    RECURSION_GUARD(return baseStyle()->standardPixmap(standardPixmap, opt, w))
    QString s = propertyNameForStandardPixmap(standardPixmap);
    if (!s.isEmpty()) {
        QtCss::QRenderRule rule = renderRule(w, opt);
        if (rule.hasStyleHint(s)) {
            QIcon icon = qvariant_cast<QIcon>(rule.styleHint(s));
            return icon.pixmap(16, 16); // ###: unhard-code this if someone complains
        }
    }

    if (baseStyle() != NULL) {
        return baseStyle()->standardPixmap(standardPixmap, opt, w);
    }

    return QPixmap();
}

int QtStyleSheetStyle::layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2,
                                         Qt::Orientation orientation, const QStyleOption *option,
                                         const QWidget *widget) const
{
    if (baseStyle() != NULL) {
        return baseStyle()->layoutSpacing(control1, control2, orientation, option, widget);
    }

    return 0;
}

int QtStyleSheetStyle::layoutSpacingImplementation(QSizePolicy::ControlType  control1 ,
                                                       QSizePolicy::ControlType  control2,
                                                       Qt::Orientation orientation,
                                                       const QStyleOption *  option ,
                                                       const QWidget *  widget) const
{
    if (baseStyle() != NULL) {
        return baseStyle()->layoutSpacing(control1, control2, orientation, option, widget);
    }

    return 0;
}

int QtStyleSheetStyle::styleHint(StyleHint sh, const QStyleOption *opt, const QWidget *w,
                                     QStyleHintReturn *shret) const
{
    //    RECURSION_GUARD(return baseStyle()->styleHint(sh, opt, w, shret))
    // Prevent endless loop if somebody use isActiveWindow property as selector.
    // QWidget::isActiveWindow uses this styleHint to determine if the window is active or not
    if (sh == SH_Widget_ShareActivation && baseStyle() != NULL)
        return baseStyle()->styleHint(sh, opt, w, shret);

    QtCss::QRenderRule rule = renderRule(w, opt);
    QString s;
    switch (sh) {
    case SH_LineEdit_PasswordCharacter: s = QLatin1String("lineedit-password-character"); break;
    case SH_DitherDisabledText: s = QLatin1String("dither-disabled-text"); break;
    case SH_EtchDisabledText: s = QLatin1String("etch-disabled-text"); break;
    case SH_ItemView_ActivateItemOnSingleClick: s = QLatin1String("activate-on-singleclick"); break;
    case SH_ItemView_ShowDecorationSelected: s = QLatin1String("show-decoration-selected"); break;
    case SH_Table_GridLineColor: s = QLatin1String("gridline-color"); break;
    case SH_DialogButtonLayout: s = QLatin1String("button-layout"); break;
    case SH_ToolTipLabel_Opacity: s = QLatin1String("opacity"); break;
    case SH_ComboBox_Popup: s = QLatin1String("combobox-popup"); break;
    case SH_ComboBox_ListMouseTracking: s = QLatin1String("combobox-list-mousetracking"); break;
    case SH_MenuBar_AltKeyNavigation: s = QLatin1String("menubar-altkey-navigation"); break;
    case SH_Menu_Scrollable: s = QLatin1String("menu-scrollable"); break;
    case SH_DrawMenuBarSeparator: s = QLatin1String("menubar-separator"); break;
    case SH_MenuBar_MouseTracking: s = QLatin1String("mouse-tracking"); break;
    case SH_SpinBox_ClickAutoRepeatRate: s = QLatin1String("spinbox-click-autorepeat-rate"); break;
    case SH_SpinControls_DisableOnBounds: s = QLatin1String("spincontrol-disable-on-bounds"); break;
    case SH_MessageBox_TextInteractionFlags: s = QLatin1String("messagebox-text-interaction-flags"); break;
    case SH_ToolButton_PopupDelay: s = QLatin1String("toolbutton-popup-delay"); break;
    case SH_ToolBox_SelectedPageTitleBold:
        if (renderRule(w, opt, PseudoElement_ToolBoxTab).hasFont)
            return 0;
        break;
    case SH_GroupBox_TextLabelColor:
        if (rule.hasPalette() && rule.palette()->foreground.style() != Qt::NoBrush)
            return rule.palette()->foreground.color().rgba();
        break;
    case SH_ScrollView_FrameOnlyAroundContents: s = QLatin1String("scrollview-frame-around-contents"); break;
    case SH_ScrollBar_ContextMenu: s = QLatin1String("scrollbar-contextmenu"); break;
    case SH_ScrollBar_LeftClickAbsolutePosition: s = QLatin1String("scrollbar-leftclick-absolute-position"); break;
    case SH_ScrollBar_MiddleClickAbsolutePosition: s = QLatin1String("scrollbar-middleclick-absolute-position"); break;
    case SH_ScrollBar_RollBetweenButtons: s = QLatin1String("scrollbar-roll-between-buttons"); break;
    case SH_ScrollBar_ScrollWhenPointerLeavesControl: s = QLatin1String("scrollbar-scroll-when-pointer-leaves-control"); break;
    case SH_TabBar_Alignment:
#ifndef QT_NO_TABWIDGET
        if (qobject_cast<const QTabWidget *>(w)) {
            rule = renderRule(w, opt, PseudoElement_TabWidgetTabBar);
            if (rule.hasPosition())
                return rule.position()->position;
        }
#endif // QT_NO_TABWIDGET
        s = QLatin1String("alignment");
        break;
#ifndef QT_NO_TABBAR
    case SH_TabBar_CloseButtonPosition:
        rule = renderRule(w, opt, PseudoElement_TabBarTabCloseButton);
        if (rule.hasPosition()) {
            Qt::Alignment align = rule.position()->position;
            if (align & Qt::AlignLeft || align & Qt::AlignTop)
                return QTabBar::LeftSide;
            if (align & Qt::AlignRight || align & Qt::AlignBottom)
                return QTabBar::RightSide;
        }
        break;
#endif
    case SH_TabBar_ElideMode: s = QLatin1String("tabbar-elide-mode"); break;
    case SH_TabBar_PreferNoArrows: s = QLatin1String("tabbar-prefer-no-arrows"); break;
    case SH_ComboBox_PopupFrameStyle:
#ifndef QT_NO_COMBOBOX
        if (qobject_cast<const QComboBox *>(w)) {
            QAbstractItemView *view = w->findChild<QAbstractItemView *>();
            if (view) {
                view->ensurePolished();
                QtCss::QRenderRule subRule = renderRule(view, PseudoElement_None);
                if (subRule.hasBox() || !subRule.hasNativeBorder())
                    return QFrame::NoFrame;
            }
        }
#endif // QT_NO_COMBOBOX
        break;
    case SH_DialogButtonBox_ButtonsHaveIcons: s = QLatin1String("dialogbuttonbox-buttons-have-icons"); break;
    case SH_Workspace_FillSpaceOnMaximize: s = QLatin1String("mdi-fill-space-on-maximize"); break;
    case SH_TitleBar_NoBorder:
        if (rule.hasBorder())
            return !rule.border()->borders[LeftEdge];
        break;
    case SH_TitleBar_AutoRaise: { // plain absurd
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_TitleBar);
        if (subRule.hasDrawable())
            return 1;
        break;
    }
    case SH_ItemView_ArrowKeysNavigateIntoChildren: s = QLatin1String("arrow-keys-navigate-into-children"); break;
    case SH_ItemView_PaintAlternatingRowColorsForEmptyArea: s = QLatin1String("paint-alternating-row-colors-for-empty-area"); break;
    default: break;
    }
    if (!s.isEmpty() && rule.hasStyleHint(s)) {
        return rule.styleHint(s).toInt();
    }

    if (baseStyle() != NULL) {
        return baseStyle()->styleHint(sh, opt, w, shret);
    }

    return 0;
}

QRect QtStyleSheetStyle::subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc,
                                            const QWidget *w) const
{
    //    RECURSION_GUARD(return baseStyle()->subControlRect(cc, opt, sc, w))

    QtCss::QRenderRule rule = renderRule(w, opt);
    switch (cc) {
    case CC_ComboBox:
        if (const QStyleOptionComboBox *cb = qstyleoption_cast<const QStyleOptionComboBox *>(opt)) {
            if (rule.hasBox() || !rule.hasNativeBorder()) {
                switch (sc) {
                case SC_ComboBoxFrame: return rule.borderRect(opt->rect);
                case SC_ComboBoxEditField:
                {
                    QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ComboBoxDropDown);
                    QRect r = rule.contentsRect(opt->rect);
                    QRect r2 = positionRect(w, rule, subRule, PseudoElement_ComboBoxDropDown,
                                            opt->rect, opt->direction);
                    if (subRule.hasPosition() && subRule.position()->position & Qt::AlignLeft) {
                        return visualRect(opt->direction, r, r.adjusted(r2.width(),0,0,0));
                    } else {
                        return visualRect(opt->direction, r, r.adjusted(0,0,-r2.width(),0));
                    }
                }
                case SC_ComboBoxArrow: {
                    QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ComboBoxDropDown);
                    return positionRect(w, rule, subRule, PseudoElement_ComboBoxDropDown, opt->rect, opt->direction);
                }
                case SC_ComboBoxListBoxPopup:
                {
                    return opt->rect.adjusted(0,4,0,4);
                }
                default:
                    if (baseStyle() != NULL) {
                        return baseStyle()->subControlRect(cc, opt, sc, w);
                    }
                    else {
                        return QRect();
                    }
                }
            }

            QStyleOptionComboBox comboBox(*cb);
            comboBox.rect = rule.borderRect(opt->rect);
            return rule.baseStyleCanDraw() && baseStyle() != NULL ? baseStyle()->subControlRect(cc, &comboBox, sc, w)
                                                                  : ParentStyle::subControlRect(cc, &comboBox, sc, w);
        }
        break;

#ifndef QT_NO_SPINBOX
    case CC_SpinBox:
        if (const QStyleOptionSpinBox *spin = qstyleoption_cast<const QStyleOptionSpinBox *>(opt)) {
            QtCss::QRenderRule upRule = renderRule(w, opt, PseudoElement_SpinBoxUpButton);
            QtCss::QRenderRule downRule = renderRule(w, opt, PseudoElement_SpinBoxDownButton);
            bool ruleMatch = rule.hasBox() || !rule.hasNativeBorder();
            bool upRuleMatch = upRule.hasGeometry() || upRule.hasPosition();
            bool downRuleMatch = downRule.hasGeometry() || downRule.hasPosition();
            if (ruleMatch || upRuleMatch || downRuleMatch) {
                switch (sc) {
                case SC_SpinBoxFrame:
                    return rule.borderRect(opt->rect);
                case SC_SpinBoxEditField:
                {
                    QRect r = rule.contentsRect(opt->rect);
                    // Use the widest button on each side to determine edit field size.
                    Qt::Alignment upAlign, downAlign;

                    upAlign = upRule.hasPosition() ? upRule.position()->position
                                                   : Qt::Alignment(Qt::AlignRight);
                    upAlign = resolveAlignment(opt->direction, upAlign);

                    downAlign = downRule.hasPosition() ? downRule.position()->position
                                                       : Qt::Alignment(Qt::AlignRight);
                    downAlign = resolveAlignment(opt->direction, downAlign);

                    int upSize = subControlRect(CC_SpinBox, opt, SC_SpinBoxUp, w).width();
                    int downSize = subControlRect(CC_SpinBox, opt, SC_SpinBoxDown, w).width();
                    int widestL = qMax((upAlign & Qt::AlignLeft) ? upSize : 0,
                                       (downAlign & Qt::AlignLeft) ? downSize : 0);
                    int widestR = qMax((upAlign & Qt::AlignRight) ? upSize : 0,
                                       (downAlign & Qt::AlignRight) ? downSize : 0);
                    r.setRight(r.right() - widestR);
                    r.setLeft(r.left() + widestL);
                    return r;
                }
                case SC_SpinBoxDown:
                    if (downRuleMatch)
                        return positionRect(w, rule, downRule, PseudoElement_SpinBoxDownButton,
                                            opt->rect, opt->direction);
                    break;
                case SC_SpinBoxUp:
                    if (upRuleMatch)
                        return positionRect(w, rule, upRule, PseudoElement_SpinBoxUpButton,
                                            opt->rect, opt->direction);
                    break;
                default:
                    break;
                }

                if (baseStyle() != NULL) {
                    return baseStyle()->subControlRect(cc, opt, sc, w);
                }

                return QRect();
            }

            QStyleOptionSpinBox spinBox(*spin);
            spinBox.rect = rule.borderRect(opt->rect);
            return rule.baseStyleCanDraw() ? baseStyle()->subControlRect(cc, &spinBox, sc, w)
                                           : ParentStyle::subControlRect(cc, &spinBox, sc, w);
        }
        break;
#endif // QT_NO_SPINBOX

    case CC_GroupBox:
        if (const QStyleOptionGroupBox *gb = qstyleoption_cast<const QStyleOptionGroupBox *>(opt)) {
            switch (sc) {
            case SC_GroupBoxFrame:
            case SC_GroupBoxContents: {
                if (rule.hasBox() || !rule.hasNativeBorder()) {
                    return sc == SC_GroupBoxFrame ? rule.borderRect(opt->rect)
                                                  : rule.contentsRect(opt->rect);
                }
                QStyleOptionGroupBox groupBox(*gb);
                groupBox.rect = rule.borderRect(opt->rect);
                return baseStyle()->subControlRect(cc, &groupBox, sc, w);
            }
            default:
            case SC_GroupBoxLabel:
            case SC_GroupBoxCheckBox: {
                QtCss::QRenderRule indRule = renderRule(w, opt, PseudoElement_GroupBoxIndicator);
                QtCss::QRenderRule labelRule = renderRule(w, opt, PseudoElement_GroupBoxTitle);
                if (!labelRule.hasPosition() && !labelRule.hasGeometry() && !labelRule.hasBox()
                        && !labelRule.hasBorder() && !indRule.hasContentsSize() && baseStyle() != NULL) {
                    QStyleOptionGroupBox groupBox(*gb);
                    groupBox.rect = rule.borderRect(opt->rect);
                    return baseStyle()->subControlRect(cc, &groupBox, sc, w);
                }
                int tw = opt->fontMetrics.width(gb->text);
                int th = opt->fontMetrics.height();
                int spacing = pixelMetric(QStyle::PM_CheckBoxLabelSpacing, opt, w);
                int iw = pixelMetric(QStyle::PM_IndicatorWidth, opt, w);
                int ih = pixelMetric(QStyle::PM_IndicatorHeight, opt, w);

                if (gb->subControls & QStyle::SC_GroupBoxCheckBox) {
                    tw = tw + iw + spacing;
                    th = qMax(th, ih);
                }
                if (!labelRule.hasGeometry()) {
                    labelRule.geo = new QStyleSheetGeometryData(tw, th, tw, th, -1, -1);
                } else {
                    labelRule.geo->width = tw;
                    labelRule.geo->height = th;
                }
                if (!labelRule.hasPosition()) {
                    labelRule.p = new QStyleSheetPositionData(0, 0, 0, 0, defaultOrigin(PseudoElement_GroupBoxTitle),
                                                              gb->textAlignment, PositionMode_Static);
                }
                QRect r = positionRect(w, rule, labelRule, PseudoElement_GroupBoxTitle,
                                       opt->rect, opt->direction);
                if (gb->subControls & SC_GroupBoxCheckBox) {
                    r = labelRule.contentsRect(r);
                    if (sc == SC_GroupBoxLabel) {
                        r.setLeft(r.left() + iw + spacing);
                        r.setTop(r.center().y() - th/2);
                    } else {
                        r = QRect(r.left(), r.center().y() - ih/2, iw, ih);
                    }
                    return r;
                } else {
                    return labelRule.contentsRect(r);
                }
            }
            } // switch
        }
        break;

    case CC_ToolButton:
        if (const QStyleOptionToolButton *tb = qstyleoption_cast<const QStyleOptionToolButton *>(opt)) {
            if (rule.hasBox() || !rule.hasNativeBorder()) {
                switch (sc) {
                case SC_ToolButton: return rule.borderRect(opt->rect);
                case SC_ToolButtonMenu: {
                    QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ToolButtonMenu);
                    return positionRect(w, rule, subRule, PseudoElement_ToolButtonMenu, opt->rect, opt->direction);
                }
                default:
                    break;
                }
            }

            QStyleOptionToolButton tool(*tb);
            tool.rect = rule.borderRect(opt->rect);
            return rule.baseStyleCanDraw() && baseStyle() != NULL ? baseStyle()->subControlRect(cc, &tool, sc, w)
                                                                  : ParentStyle::subControlRect(cc, &tool, sc, w);
        }
        break;

#ifndef QT_NO_SCROLLBAR
    case CC_ScrollBar:
        if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(opt)) {
            QStyleOptionSlider styleOptionSlider(*sb);
            styleOptionSlider.rect = rule.borderRect(opt->rect);
            if (rule.hasDrawable() || rule.hasBox()) {
                QRect grooveRect;
                if (!rule.hasBox()) {
                    grooveRect = rule.baseStyleCanDraw() && baseStyle() != NULL ? baseStyle()->subControlRect(cc, sb, SC_ScrollBarGroove, w)
                                                                                : ParentStyle::subControlRect(cc, sb, SC_ScrollBarGroove, w);
                } else {
                    grooveRect = rule.contentsRect(opt->rect);
                }

                PseudoElement pe = PseudoElement_None;

                switch (sc) {
                case SC_ScrollBarGroove:
                    return grooveRect;
                case SC_ScrollBarAddPage:
                case SC_ScrollBarSubPage:
                case SC_ScrollBarSlider: {
                    QRect contentRect = grooveRect;
                    if (hasStyleRule(w, PseudoElement_ScrollBarSlider)) {
                        QtCss::QRenderRule sliderRule = renderRule(w, opt, PseudoElement_ScrollBarSlider);
                        Origin origin = sliderRule.hasPosition() ? sliderRule.position()->origin : defaultOrigin(PseudoElement_ScrollBarSlider);
                        contentRect = rule.originRect(opt->rect, origin);
                    }
                    int maxlen = (styleOptionSlider.orientation == Qt::Horizontal) ? contentRect.width() : contentRect.height();
                    int sliderlen;
                    if (sb->maximum != sb->minimum) {
                        uint range = sb->maximum - sb->minimum;
                        sliderlen = (qint64(sb->pageStep) * maxlen) / (range + sb->pageStep);

                        int slidermin = pixelMetric(PM_ScrollBarSliderMin, sb, w);
                        if (sliderlen < slidermin || range > INT_MAX / 2)
                            sliderlen = slidermin;
                        if (sliderlen > maxlen)
                            sliderlen = maxlen;
                    } else {
                        sliderlen = maxlen;
                    }
                    const int sliderPosition = sb->orientation == Qt::Horizontal && sb->direction == Qt::RightToLeft ? sb->maximum - sb->sliderPosition + sb->minimum : sb->sliderPosition;
                    int sliderstart = (styleOptionSlider.orientation == Qt::Horizontal ? contentRect.left() : contentRect.top())
                            + sliderPositionFromValue(sb->minimum, sb->maximum, sliderPosition,
                                                      maxlen - sliderlen, sb->upsideDown);

                    QRect sr = (sb->orientation == Qt::Horizontal)
                            ? QRect(sliderstart, contentRect.top(), sliderlen, contentRect.height())
                            : QRect(contentRect.left(), sliderstart, contentRect.width(), sliderlen);
                    if (sc == SC_ScrollBarSlider) {
                        return sr;
                    } else if (sc == SC_ScrollBarSubPage) {
                        return QRect(contentRect.topLeft(), sb->orientation == Qt::Horizontal ? sr.bottomLeft() : sr.topRight());
                    } else { // SC_ScrollBarAddPage
                        return QRect(sb->orientation == Qt::Horizontal ? sr.topRight() : sr.bottomLeft(), contentRect.bottomRight());
                    }
                    break;
                }
                case SC_ScrollBarAddLine: pe = PseudoElement_ScrollBarAddLine; break;
                case SC_ScrollBarSubLine: pe = PseudoElement_ScrollBarSubLine; break;
                case SC_ScrollBarFirst: pe = PseudoElement_ScrollBarFirst;  break;
                case SC_ScrollBarLast: pe = PseudoElement_ScrollBarLast; break;
                default: break;
                }
                if (hasStyleRule(w,pe)) {
                    QtCss::QRenderRule subRule = renderRule(w, opt, pe);
                    if (subRule.hasPosition() || subRule.hasGeometry() || subRule.hasBox()) {
                        const QStyleSheetPositionData *pos = subRule.position();
                        QRect originRect = grooveRect;
                        if (rule.hasBox()) {
                            Origin origin = (pos && pos->origin != Origin_Unknown) ? pos->origin : defaultOrigin(pe);
                            originRect = rule.originRect(opt->rect, origin);
                        }
                        return positionRect(w, subRule, pe, originRect, styleOptionSlider.direction);
                    }
                }
            }
            return rule.baseStyleCanDraw() && baseStyle() != NULL ? baseStyle()->subControlRect(cc, &styleOptionSlider, sc, w)
                                                                  : ParentStyle::subControlRect(cc, &styleOptionSlider, sc, w);
        }
        break;
#endif // QT_NO_SCROLLBAR

#ifndef QT_NO_SLIDER
    case CC_Slider:
        if (const QStyleOptionSlider *slider = qstyleoption_cast<const QStyleOptionSlider *>(opt)) {
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_SliderGroove);
            if (!subRule.hasDrawable())
                break;
            subRule.img = 0;
            QRect gr = positionRect(w, rule, subRule, PseudoElement_SliderGroove, opt->rect, opt->direction);
            switch (sc) {
            case SC_SliderGroove:
                return gr;
            case SC_SliderHandle: {
                bool horizontal = slider->orientation & Qt::Horizontal;
                QRect cr = subRule.contentsRect(gr);
                QtCss::QRenderRule subRule2 = renderRule(w, opt, PseudoElement_SliderHandle);
                int len = horizontal ? subRule2.size().width() : subRule2.size().height();
                subRule2.img = 0;
                subRule2.geo = 0;
                cr = positionRect(w, subRule2, PseudoElement_SliderHandle, cr, opt->direction);
                int thickness = horizontal ? cr.height() : cr.width();
                int sliderPos = sliderPositionFromValue(slider->minimum, slider->maximum, slider->sliderPosition,
                                                        (horizontal ? cr.width() : cr.height()) - len, slider->upsideDown);
                cr = horizontal ? QRect(cr.x() + sliderPos, cr.y(), len, thickness)
                                : QRect(cr.x(), cr.y() + sliderPos, thickness, len);
                return subRule2.borderRect(cr);
                break; }
            case SC_SliderTickmarks:
                // TODO...
            default:
                break;
            }
        }
        break;
#endif // QT_NO_SLIDER

    case CC_MdiControls:
        if (hasStyleRule(w, PseudoElement_MdiCloseButton)
                || hasStyleRule(w, PseudoElement_MdiNormalButton)
                || hasStyleRule(w, PseudoElement_MdiMinButton)) {
            QList<QVariant> layout = rule.styleHint(QLatin1String("button-layout")).toList();
            if (layout.isEmpty())
                layout = subControlLayout(QLatin1String("mNX"));

            int x = 0, width = 0;
            QtCss::QRenderRule subRule;
            for (int i = 0; i < layout.count(); i++) {
                int layoutButton = layout[i].toInt();
                if (layoutButton < PseudoElement_MdiCloseButton
                        || layoutButton > PseudoElement_MdiNormalButton)
                    continue;
                QStyle::SubControl control = knownPseudoElements[layoutButton].subControl;
                if (!(opt->subControls & control))
                    continue;
                subRule = renderRule(w, opt, layoutButton);
                width = subRule.size().width();
                if (sc == control)
                    break;
                x += width;
            }

            return subRule.borderRect(QRect(x, opt->rect.top(), width, opt->rect.height()));
        }
        break;

    case CC_TitleBar:
        if (const QStyleOptionTitleBar *tb = qstyleoption_cast<const QStyleOptionTitleBar *>(opt)) {
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_TitleBar);
            if (!subRule.hasDrawable() && !subRule.hasBox() && !subRule.hasBorder())
                break;
            QHash<QStyle::SubControl, QRect> layoutRects = titleBarLayout(w, tb);
            return layoutRects.value(sc);
        }
        break;

    default:
        break;
    }

    if (baseStyle() != NULL) {
        return baseStyle()->subControlRect(cc, opt, sc, w);
    }

    return QRect();
}

QRect QtStyleSheetStyle::subElementRect(SubElement se, const QStyleOption *opt, const QWidget *w) const
{
    //    RECURSION_GUARD(return baseStyle()->subElementRect(se, opt, w))

    QtCss::QRenderRule rule = renderRule(w, opt);
#ifndef QT_NO_TABBAR
    int pe = PseudoElement_None;
#endif

    switch (se) {
    case SE_PushButtonContents:
    case SE_PushButtonFocusRect:
        if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
            QStyleOptionButton btnOpt(*btn);
            if (rule.hasBox() || !rule.hasNativeBorder())
                return visualRect(opt->direction, opt->rect, rule.contentsRect(opt->rect));
            return rule.baseStyleCanDraw() && baseStyle() != NULL ? baseStyle()->subElementRect(se, &btnOpt, w)
                                                                  : ParentStyle::subElementRect(se, &btnOpt, w);
        }
        break;

    case SE_LineEditContents:
    case SE_FrameContents:
    case SE_ShapedFrameContents:
        if (rule.hasBox() || !rule.hasNativeBorder()) {
            return visualRect(opt->direction, opt->rect, rule.contentsRect(opt->rect));
        }
        break;

    case SE_CheckBoxIndicator:
    case SE_RadioButtonIndicator:
        if (rule.hasBox() || rule.hasBorder() || hasStyleRule(w, PseudoElement_Indicator)) {
            PseudoElement pe = se == SE_CheckBoxIndicator ? PseudoElement_Indicator : PseudoElement_ExclusiveIndicator;
            QtCss::QRenderRule subRule = renderRule(w, opt, pe);
            return positionRect(w, rule, subRule, pe, opt->rect, opt->direction);
        }
        break;

    case SE_CheckBoxContents:
    case SE_RadioButtonContents:
        if (rule.hasBox() || rule.hasBorder() || hasStyleRule(w, PseudoElement_Indicator)) {
            bool isRadio = se == SE_RadioButtonContents;
            QRect ir = subElementRect(isRadio ? SE_RadioButtonIndicator : SE_CheckBoxIndicator,
                                      opt, w);
            ir = visualRect(opt->direction, opt->rect, ir);
            int spacing = pixelMetric(isRadio ? PM_RadioButtonLabelSpacing : PM_CheckBoxLabelSpacing, 0, w);
            QRect cr = rule.contentsRect(opt->rect);
            ir.setRect(ir.left() + ir.width() + spacing, cr.y(),
                       cr.width() - ir.width() - spacing, cr.height());
            return visualRect(opt->direction, opt->rect, ir);
        }
        break;

    case SE_ToolBoxTabContents:
        if (w && hasStyleRule(w->parentWidget(), PseudoElement_ToolBoxTab)) {
            QtCss::QRenderRule subRule = renderRule(w->parentWidget(), opt, PseudoElement_ToolBoxTab);
            return visualRect(opt->direction, opt->rect, subRule.contentsRect(opt->rect));
        }
        break;

    case SE_RadioButtonFocusRect:
    case SE_RadioButtonClickRect: // focusrect | indicator
        if (rule.hasBox() || rule.hasBorder() || hasStyleRule(w, PseudoElement_Indicator)) {
            return opt->rect;
        }
        break;

    case SE_CheckBoxFocusRect:
    case SE_CheckBoxClickRect: // relies on indicator and contents
        return ParentStyle::subElementRect(se, opt, w);

#ifndef QT_NO_ITEMVIEWS
    case SE_ViewItemCheckIndicator:
        if (!qstyleoption_cast<const QStyleOptionViewItemV4 *>(opt)) {
            return subElementRect(SE_CheckBoxIndicator, opt, w);
        }
        // intentionally falls through
    case SE_ItemViewItemText:
        if(w&&w->parentWidget()&&w->parentWidget()->parentWidget()&&qobject_cast<QComboBox*>(w->parentWidget()->parentWidget()))
            return opt->rect.adjusted(10,0,0,0);
    case SE_ItemViewItemDecoration:
    case SE_ItemViewItemFocusRect:
        if (const QStyleOptionViewItem *vopt = qstyleoption_cast<const QStyleOptionViewItem *>(opt)) {
            QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_ViewItem);
            PseudoElement pe = PseudoElement_None;
            if (se == SE_ItemViewItemText || se == SE_ItemViewItemFocusRect)
                pe = PseudoElement_ViewItemText;
            else if (se == SE_ItemViewItemDecoration && vopt->features & QStyleOptionViewItem::HasDecoration)
                pe = PseudoElement_ViewItemIcon;
            else if (se == SE_ItemViewItemCheckIndicator && vopt->features & QStyleOptionViewItem::HasCheckIndicator)
                pe = PseudoElement_ViewItemIndicator;
            else
                break;
            if (subRule.hasGeometry() || subRule.hasBox() || !subRule.hasNativeBorder() || hasStyleRule(w, pe)) {
                QtCss::QRenderRule subRule2 = renderRule(w, opt, pe);
                QStyleOptionViewItem optCopy(*vopt);
                optCopy.rect = subRule.contentsRect(vopt->rect);
                QRect rect = ParentStyle::subElementRect(se, &optCopy, w);
                return positionRect(w, subRule2, pe, rect, opt->direction);
            }
        }
        break;
#endif // QT_NO_ITEMVIEWS

    case SE_HeaderArrow: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewUpArrow);
        if (subRule.hasPosition() || subRule.hasGeometry())
            return positionRect(w, rule, subRule, PseudoElement_HeaderViewUpArrow, opt->rect, opt->direction);
    }
        break;

    case SE_HeaderLabel: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_HeaderViewSection);
        if (subRule.hasBox() || !subRule.hasNativeBorder())
            return subRule.contentsRect(opt->rect);
    }
        break;

    case SE_ProgressBarGroove:
    case SE_ProgressBarContents:
    case SE_ProgressBarLabel:
        if (const QStyleOptionProgressBarV2 *pb = qstyleoption_cast<const QStyleOptionProgressBarV2 *>(opt)) {
            if (rule.hasBox() || !rule.hasNativeBorder() || rule.hasPosition() || hasStyleRule(w, PseudoElement_ProgressBarChunk)) {
                if (se == SE_ProgressBarGroove)
                    return rule.borderRect(pb->rect);
                else if (se == SE_ProgressBarContents)
                    return rule.contentsRect(pb->rect);

                QSize sz = pb->fontMetrics.size(0, pb->text);
                return QStyle::alignedRect(Qt::LeftToRight, rule.hasPosition() ? rule.position()->textAlignment : pb->textAlignment,
                                           sz, pb->rect);
            }
        }
        break;

#ifndef QT_NO_TABBAR
    case SE_TabWidgetLeftCorner:
        pe = PseudoElement_TabWidgetLeftCorner;
        // intentionally falls through
    case SE_TabWidgetRightCorner:
        if (pe == PseudoElement_None)
            pe = PseudoElement_TabWidgetRightCorner;
        // intentionally falls through
    case SE_TabWidgetTabBar:
        if (pe == PseudoElement_None)
            pe = PseudoElement_TabWidgetTabBar;
        // intentionally falls through
    case SE_TabWidgetTabPane:
    case SE_TabWidgetTabContents:
        if (pe == PseudoElement_None)
            pe = PseudoElement_TabWidgetPane;

        if (hasStyleRule(w, pe)) {
            QRect r = ParentStyle::subElementRect(pe == PseudoElement_TabWidgetPane ? SE_TabWidgetTabPane : se, opt, w);
            QtCss::QRenderRule subRule = renderRule(w, opt, pe);
            r = positionRect(w, subRule, pe, r, opt->direction);
            if (pe == PseudoElement_TabWidgetTabBar) {
                Q_ASSERT(opt);
                r = opt->rect.intersected(r);
            }
            if (se == SE_TabWidgetTabContents)
                r = subRule.contentsRect(r);
            return r;
        }
        break;

    case SE_TabBarTearIndicator: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_TabBarTear);
        if (subRule.hasContentsSize()) {
            QRect r;
            if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(opt)) {
                switch (tab->shape) {
                case QTabBar::RoundedNorth:
                case QTabBar::TriangularNorth:
                case QTabBar::RoundedSouth:
                case QTabBar::TriangularSouth:
                    r.setRect(tab->rect.left(), tab->rect.top(), subRule.size().width(), opt->rect.height());
                    break;
                case QTabBar::RoundedWest:
                case QTabBar::TriangularWest:
                case QTabBar::RoundedEast:
                case QTabBar::TriangularEast:
                    r.setRect(tab->rect.left(), tab->rect.top(), opt->rect.width(), subRule.size().height());
                    break;
                default:
                    break;
                }
                r = visualRect(opt->direction, opt->rect, r);
            }
            return r;
        }
        break;
    }
    case SE_TabBarTabText:
    case SE_TabBarTabLeftButton:
    case SE_TabBarTabRightButton: {
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_TabBarTab);
        if (subRule.hasBox() || !subRule.hasNativeBorder()) {
            return ParentStyle::subElementRect(se, opt, w);
        }
        break;
    }
#endif // QT_NO_TABBAR

    case SE_DockWidgetCloseButton:
    case SE_DockWidgetFloatButton: {
        PseudoElement pe = (se == SE_DockWidgetCloseButton) ? PseudoElement_DockWidgetCloseButton : PseudoElement_DockWidgetFloatButton;
        QtCss::QRenderRule subRule2 = renderRule(w, opt, pe);
        if (!subRule2.hasPosition())
            break;
        QtCss::QRenderRule subRule = renderRule(w, opt, PseudoElement_DockWidgetTitle);
        return positionRect(w, subRule, subRule2, pe, opt->rect, opt->direction);
    }

#ifndef QT_NO_TOOLBAR
    case SE_ToolBarHandle:
        if (hasStyleRule(w, PseudoElement_ToolBarHandle))
            return ParentStyle::subElementRect(se, opt, w);
        break;
#endif //QT_NO_TOOLBAR

        // On mac we make pixel adjustments to layouts which are not
        // desireable when you have custom style sheets on them
    case SE_CheckBoxLayoutItem:
    case SE_ComboBoxLayoutItem:
    case SE_DateTimeEditLayoutItem:
    case SE_LabelLayoutItem:
    case SE_ProgressBarLayoutItem:
    case SE_PushButtonLayoutItem:
    case SE_RadioButtonLayoutItem:
    case SE_SliderLayoutItem:
    case SE_SpinBoxLayoutItem:
    case SE_ToolButtonLayoutItem:
    case SE_FrameLayoutItem:
    case SE_GroupBoxLayoutItem:
    case SE_TabWidgetLayoutItem:
        if (!rule.hasNativeBorder())
            return opt->rect;
        break;

    default:
        break;
    }

    if (baseStyle() != NULL) {
        return baseStyle()->subElementRect(se, opt, w);
    }

    return QRect();
}

bool QtStyleSheetStyle::event(QEvent *e)
{
    if (baseStyle() != NULL) {
        return (baseStyle()->event(e) && e->isAccepted()) || ParentStyle::event(e);
    }

    return false;
}

void QtStyleSheetStyle::updateStyleSheetFont(QWidget* w) const
{
    QWidget *container = containerWidget(w);
    QtCss::QRenderRule rule = renderRule(container, PseudoElement_None,
                                  PseudoClass_Active | PseudoClass_Enabled | extendedPseudoClass(container));
    QFont font = rule.font.resolve(w->font());

    if ((!w->isWindow() || w->testAttribute(Qt::WA_WindowPropagation))
            && isNaturalChild(w) && qobject_cast<QWidget *>(w->parent())) {

        font = font.resolve(static_cast<QWidget *>(w->parent())->font());
    }

    if (w->font() == font)
        return;

    w->setFont(font);
    //#ifdef QT3_SUPPORT
    //    QFont old = w->data->fnt;
    //#endif
    //    w->data->fnt = font;
    //#if defined(Q_WS_X11)
    //    // make sure the font set on this widget is associated with the correct screen
    //    //w->data->fnt.x11SetScreen(w->d_func()->xinfo.screen());
    //#endif

    QEvent e(QEvent::FontChange);
    QApplication::sendEvent(w, &e);
#ifdef QT3_SUPPORT
    w->fontChange(old);
#endif
}

void QtStyleSheetStyle::saveWidgetFont(QWidget* w, const QFont& font) const
{
    w->setProperty("_q_styleSheetWidgetFont", font);
}

void QtStyleSheetStyle::clearWidgetFont(QWidget* w) const
{
    w->setProperty("_q_styleSheetWidgetFont", QVariant(QVariant::Invalid));
}

// Polish palette that should be used for a particular widget, with particular states
// (eg. :focus, :hover, ...)
// this is called by widgets that paint themself in their paint event
// Returns true if there is a new palette in pal.
bool QtStyleSheetStyle::styleSheetPalette(const QWidget* w, const QStyleOption* opt, QPalette* pal)
{
    if (!w || !opt || !pal)
        return false;

    //    RECURSION_GUARD(return false)

    w = containerWidget(w);

    QtCss::QRenderRule rule = renderRule(w, PseudoElement_None, pseudoClass(opt->state) | extendedPseudoClass(w));
    if (!rule.hasPalette())
        return false;

    rule.configurePalette(pal, QPalette::NoRole, QPalette::NoRole);
    return true;
}

void QtStyleSheetStyle::setStyleSheet(const QString stylesheet)
{
    m_stylesheet = stylesheet;
}

Qt::Alignment QtStyleSheetStyle::resolveAlignment(Qt::LayoutDirection layDir, Qt::Alignment src)
{
    if (layDir == Qt::LeftToRight || src & Qt::AlignAbsolute)
        return src;

    if (src & Qt::AlignLeft) {
        src &= ~Qt::AlignLeft;
        src |= Qt::AlignRight;
    } else if (src & Qt::AlignRight) {
        src &= ~Qt::AlignRight;
        src |= Qt::AlignLeft;
    }
    src |= Qt::AlignAbsolute;
    return src;
}

// Returns whether the given QWidget has a "natural" parent, meaning that
// the parent contains this child as part of its normal operation.
// An example is the QTabBar inside a QTabWidget.
// This does not mean that any QTabBar which is a child of QTabWidget will
// match, only the one that was created by the QTabWidget initialization
// (and hence has the correct object name).
bool QtStyleSheetStyle::isNaturalChild(const QWidget *w)
{
    if (w->objectName().startsWith(QLatin1String("qt_")))
        return true;

    return false;
}

//QT_END_NAMESPACE

//#include "moc_qstylesheetstyle_p.cpp"