// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QPALETTE_H

#define QPALETTE_H

#include <QtGui/qtguiglobal.h>

#include <QtGui/qwindowdefs.h>

#include <QtGui/qcolor.h>

#include <QtGui/qbrush.h>

QT_BEGIN_NAMESPACE

class QPalettePrivate;

class QVariant;

class Q_GUI_EXPORT QPalette

{

    Q_GADGET

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);

    QPalette(const QPalette &palette);

    ~QPalette();

    QPalette &operator=(const QPalette &palette);

    QPalette(QPalette &&other) noexcept

        : d(std::exchange(other.d, nullptr)), currentGroup(other.currentGroup)

    {}

    QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_PURE_SWAP(QPalette)

    void swap(QPalette &other) noexcept

    {

        std::swap(currentGroup, other.currentGroup);

        qt_ptr_swap(d, other.d);

    }

    operator QVariant() const;

    // Do not change the order, the serialization format depends on it

    // Ensure these values are kept in sync with QQuickColorGroup's properties

    // and QCss::KnownValue!

    enum ColorGroup { Active, Disabled, Inactive, NColorGroups, Current, All, Normal = Active };

    Q_ENUM(ColorGroup)

    enum ColorRole { WindowText, Button, Light, Midlight, Dark, Mid,

                     Text, BrightText, ButtonText, Base, Window, Shadow,

                     Highlight, HighlightedText,

                     Link, LinkVisited,

                     AlternateBase,

                     NoRole,

                     ToolTipBase, ToolTipText,

                     PlaceholderText,

                     Accent,

                     NColorRoles = Accent + 1,

                   };

    Q_ENUM(ColorRole)

    inline ColorGroup currentColorGroup() const { return currentGroup; }

    inline void setCurrentColorGroup(ColorGroup cg) { currentGroup = 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 &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 &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); }

    inline const QBrush &placeholderText() const { return brush(PlaceholderText); }

    inline const QBrush &accent() const { return brush(Accent); }

    bool operator==(const QPalette &p) const;

    inline bool operator!=(const QPalette &p) const { return !(operator==(p)); }

    bool isCopyOf(const QPalette &p) const;

    qint64 cacheKey() const;

    QPalette resolve(const QPalette &other) const;

    using ResolveMask = quint64;

    ResolveMask resolveMask() const;

    void setResolveMask(ResolveMask 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);

    void init();

    void detach();

    QPalettePrivate *d;

    ColorGroup currentGroup{Active};

    friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &s, const QPalette &p);

};

Q_DECLARE_SHARED(QPalette)

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); }

/*****************************************************************************

  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

#ifndef QT_NO_DEBUG_STREAM

Q_GUI_EXPORT QDebug operator<<(QDebug, const QPalette &);

#endif

QT_END_NAMESPACE

#endif // QPALETTE_H