Long live Qt 4.5!

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diff --git a/src/gui/kernel/qpalette.h b/src/gui/kernel/qpalette.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPALETTE_H
+#define QPALETTE_H
+
+#include <QtGui/qwindowdefs.h>
+#include <QtGui/qcolor.h>
+#include <QtGui/qbrush.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifdef QT3_SUPPORT
+class QColorGroup;
+#endif
+class QPalettePrivate;
+class QVariant;
+
+class Q_GUI_EXPORT QPalette
+{
+    Q_GADGET
+    Q_ENUMS(ColorGroup ColorRole)
+public:
+    QPalette();
+    QPalette(const QColor &button);
+    QPalette(Qt::GlobalColor button);
+    QPalette(const QColor &button, const QColor &window);
+    QPalette(const QBrush &windowText, const QBrush &button, const QBrush &light,
+             const QBrush &dark, const QBrush &mid, const QBrush &text,
+             const QBrush &bright_text, const QBrush &base, const QBrush &window);
+    QPalette(const QColor &windowText, const QColor &window, const QColor &light,
+             const QColor &dark, const QColor &mid, const QColor &text, const QColor &base);
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT_CONSTRUCTOR QPalette(const QColorGroup &active, const QColorGroup &disabled, const QColorGroup &inactive);
+#endif
+    QPalette(const QPalette &palette);
+    ~QPalette();
+    QPalette &operator=(const QPalette &palette);
+    operator QVariant() const;
+
+    // Do not change the order, the serialization format depends on it
+    enum ColorGroup { Active, Disabled, Inactive, NColorGroups, Current, All, Normal = Active };
+    enum ColorRole { WindowText, Button, Light, Midlight, Dark, Mid,
+                     Text, BrightText, ButtonText, Base, Window, Shadow,
+                     Highlight, HighlightedText,
+                     Link, LinkVisited, // ### Qt 5: remove
+                     AlternateBase,
+                     NoRole, // ### Qt 5: value should be 0 or -1
+                     ToolTipBase, ToolTipText,
+                     NColorRoles = ToolTipText + 1,
+                     Foreground = WindowText, Background = Window // ### Qt 5: remove
+                   };
+
+    inline ColorGroup currentColorGroup() const { return static_cast<ColorGroup>(current_group); }
+    inline void setCurrentColorGroup(ColorGroup cg) { current_group = cg; }
+
+    inline const QColor &color(ColorGroup cg, ColorRole cr) const
+    { return brush(cg, cr).color(); }
+    const QBrush &brush(ColorGroup cg, ColorRole cr) const;
+    inline void setColor(ColorGroup cg, ColorRole cr, const QColor &color);
+    inline void setColor(ColorRole cr, const QColor &color);
+    inline void setBrush(ColorRole cr, const QBrush &brush);
+    bool isBrushSet(ColorGroup cg, ColorRole cr) const;
+    void setBrush(ColorGroup cg, ColorRole cr, const QBrush &brush);
+    void setColorGroup(ColorGroup cr, const QBrush &windowText, const QBrush &button,
+                       const QBrush &light, const QBrush &dark, const QBrush &mid,
+                       const QBrush &text, const QBrush &bright_text, const QBrush &base,
+                       const QBrush &window);
+    bool isEqual(ColorGroup cr1, ColorGroup cr2) const;
+
+    inline const QColor &color(ColorRole cr) const { return color(Current, cr); }
+    inline const QBrush &brush(ColorRole cr) const { return brush(Current, cr); }
+    inline const QBrush &foreground() const { return brush(WindowText); }
+    inline const QBrush &windowText() const { return brush(WindowText); }
+    inline const QBrush &button() const { return brush(Button); }
+    inline const QBrush &light() const { return brush(Light); }
+    inline const QBrush &dark() const { return brush(Dark); }
+    inline const QBrush &mid() const { return brush(Mid); }
+    inline const QBrush &text() const { return brush(Text); }
+    inline const QBrush &base() const { return brush(Base); }
+    inline const QBrush &alternateBase() const { return brush(AlternateBase); }
+    inline const QBrush &toolTipBase() const { return brush(ToolTipBase); }
+    inline const QBrush &toolTipText() const { return brush(ToolTipText); }
+    inline const QBrush &background() const { return brush(Window); }
+    inline const QBrush &window() const { return brush(Window); }
+    inline const QBrush &midlight() const { return brush(Midlight); }
+    inline const QBrush &brightText() const { return brush(BrightText); }
+    inline const QBrush &buttonText() const { return brush(ButtonText); }
+    inline const QBrush &shadow() const { return brush(Shadow); }
+    inline const QBrush &highlight() const { return brush(Highlight); }
+    inline const QBrush &highlightedText() const { return brush(HighlightedText); }
+    inline const QBrush &link() const { return brush(Link); }
+    inline const QBrush &linkVisited() const { return brush(LinkVisited); }
+
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT QPalette copy() const { QPalette p = *this; p.detach(); return p; }
+    QT3_SUPPORT QColorGroup normal() const;
+    inline QT3_SUPPORT void setNormal(const QColorGroup &cg) { setColorGroup(Active, cg); }
+
+    QT3_SUPPORT QColorGroup active() const;
+    QT3_SUPPORT QColorGroup disabled() const;
+    QT3_SUPPORT QColorGroup inactive() const;
+    inline QT3_SUPPORT void setActive(const QColorGroup &cg) { setColorGroup(Active, cg); }
+    inline QT3_SUPPORT void setDisabled(const QColorGroup &cg) { setColorGroup(Disabled, cg); }
+    inline QT3_SUPPORT void setInactive(const QColorGroup &cg) { setColorGroup(Inactive, cg); }
+#endif
+
+    bool operator==(const QPalette &p) const;
+    inline bool operator!=(const QPalette &p) const { return !(operator==(p)); }
+    bool isCopyOf(const QPalette &p) const;
+
+    int serialNumber() const;
+    qint64 cacheKey() const;
+
+    QPalette resolve(const QPalette &) const;
+    inline uint resolve() const { return resolve_mask; }
+    inline void resolve(uint mask) { resolve_mask = mask; }
+
+private:
+    void setColorGroup(ColorGroup cr, const QBrush &windowText, const QBrush &button,
+                       const QBrush &light, const QBrush &dark, const QBrush &mid,
+                       const QBrush &text, const QBrush &bright_text,
+                       const QBrush &base, const QBrush &alternate_base,
+                       const QBrush &window, const QBrush &midlight,
+                       const QBrush &button_text, const QBrush &shadow,
+                       const QBrush &highlight, const QBrush &highlighted_text,
+                       const QBrush &link, const QBrush &link_visited);
+    void setColorGroup(ColorGroup cr, const QBrush &windowText, const QBrush &button,
+                       const QBrush &light, const QBrush &dark, const QBrush &mid,
+                       const QBrush &text, const QBrush &bright_text,
+                       const QBrush &base, const QBrush &alternate_base,
+                       const QBrush &window, const QBrush &midlight,
+                       const QBrush &button_text, const QBrush &shadow,
+                       const QBrush &highlight, const QBrush &highlighted_text,
+                       const QBrush &link, const QBrush &link_visited,
+                       const QBrush &toolTipBase, const QBrush &toolTipText);
+#ifdef QT3_SUPPORT
+    friend class QColorGroup;
+    void setColorGroup(ColorGroup, const QColorGroup &);
+    QColorGroup createColorGroup(ColorGroup) const;
+#endif
+    void init();
+    void detach();
+
+    QPalettePrivate *d;
+    uint current_group : 4;
+    uint resolve_mask : 28;
+    friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &s, const QPalette &p);
+};
+
+inline void QPalette::setColor(ColorGroup acg, ColorRole acr,
+                               const QColor &acolor)
+{ setBrush(acg, acr, QBrush(acolor)); }
+inline void QPalette::setColor(ColorRole acr, const QColor &acolor)
+{ setColor(All, acr, acolor); }
+inline void QPalette::setBrush(ColorRole acr, const QBrush &abrush)
+{ setBrush(All, acr, abrush); }
+
+#ifdef QT3_SUPPORT
+class Q_GUI_EXPORT QColorGroup : public QPalette
+{
+public:
+    inline QColorGroup() : QPalette() {}
+    inline QColorGroup(const QBrush &foreground, const QBrush &button, const QBrush &light,
+                const QBrush &dark, const QBrush &mid, const QBrush &text,
+                const QBrush &bright_text, const QBrush &base, const QBrush &background)
+        : QPalette(foreground, button, light, dark, mid, text, bright_text, base, background)
+    {}
+    inline QColorGroup(const QColor &foreground, const QColor &background, const QColor &light,
+                const QColor &dark, const QColor &mid, const QColor &text, const QColor &base)
+        : QPalette(foreground, background, light, dark, mid, text, base) {}
+    inline QColorGroup(const QColorGroup &cg) : QPalette(cg) {}
+    inline QColorGroup(const QPalette &pal) : QPalette(pal) {}
+    bool operator==(const QColorGroup &other) const;
+    inline bool operator!=(const QColorGroup &other) const { return !(operator==(other)); }
+    operator QVariant() const;
+
+    inline QT3_SUPPORT const QColor &foreground() const { return color(WindowText); }
+    inline QT3_SUPPORT const QColor &button() const { return color(Button); }
+    inline QT3_SUPPORT const QColor &light() const { return color(Light); }
+    inline QT3_SUPPORT const QColor &dark() const { return color(Dark); }
+    inline QT3_SUPPORT const QColor &mid() const { return color(Mid); }
+    inline QT3_SUPPORT const QColor &text() const { return color(Text); }
+    inline QT3_SUPPORT const QColor &base() const { return color(Base); }
+    inline QT3_SUPPORT const QColor &background() const { return color(Window); }
+    inline QT3_SUPPORT const QColor &midlight() const { return color(Midlight); }
+    inline QT3_SUPPORT const QColor &brightText() const { return color(BrightText); }
+    inline QT3_SUPPORT const QColor &buttonText() const { return color(ButtonText); }
+    inline QT3_SUPPORT const QColor &shadow() const { return color(Shadow); }
+    inline QT3_SUPPORT const QColor &highlight() const { return color(Highlight); }
+    inline QT3_SUPPORT const QColor &highlightedText() const { return color(HighlightedText); }
+    inline QT3_SUPPORT const QColor &link() const { return color(Link); }
+    inline QT3_SUPPORT const QColor &linkVisited() const { return color(LinkVisited); }
+};
+
+#ifndef QT_NO_DATASTREAM
+Q_GUI_EXPORT QT3_SUPPORT QDataStream &operator<<(QDataStream &ds, const QColorGroup &cg);
+Q_GUI_EXPORT QT3_SUPPORT QDataStream &operator>>(QDataStream &ds, QColorGroup &cg);
+#endif
+
+inline QColorGroup QPalette::inactive() const { return createColorGroup(Inactive); }
+inline QColorGroup QPalette::disabled() const { return createColorGroup(Disabled); }
+inline QColorGroup QPalette::active() const { return createColorGroup(Active); }
+inline QColorGroup QPalette::normal() const { return createColorGroup(Active); }
+
+#endif
+
+/*****************************************************************************
+  QPalette stream functions
+ *****************************************************************************/
+#ifndef QT_NO_DATASTREAM
+Q_GUI_EXPORT QDataStream &operator<<(QDataStream &ds, const QPalette &p);
+Q_GUI_EXPORT QDataStream &operator>>(QDataStream &ds, QPalette &p);
+#endif // QT_NO_DATASTREAM
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QPALETTE_H