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#include "private/qdeclarativesystempalette_p.h"

#include <QApplication>

#include <private/qobject_p.h>

QT_BEGIN_NAMESPACE

class QDeclarativeSystemPalettePrivate : public QObjectPrivate

{

public:

    QPalette palette;

    QPalette::ColorGroup group;

};

/*!

    \qmlclass SystemPalette QDeclarativeSystemPalette

    \since 4.7

    \brief The SystemPalette item gives access to the Qt palettes.

    \sa QPalette

    Example:

    \qml

    SystemPalette { id: myPalette; colorGroup: Qt.Active }

    Rectangle {

        width: 640; height: 480

        color: myPalette.window

        Text {

            anchors.fill: parent

            text: "Hello!"; color: myPalette.windowText

        }

    }

    \endqml

*/

QDeclarativeSystemPalette::QDeclarativeSystemPalette(QObject *parent)

    : QObject(*(new QDeclarativeSystemPalettePrivate), parent)

{

    Q_D(QDeclarativeSystemPalette);

    d->palette = QApplication::palette();

    d->group = QPalette::Active;

    qApp->installEventFilter(this);

}

QDeclarativeSystemPalette::~QDeclarativeSystemPalette()

{

}

/*!

    \qmlproperty color SystemPalette::window

    The window (general background) color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::window() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::Window);

}

/*!

    \qmlproperty color SystemPalette::windowText

    The window text (general foreground) color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::windowText() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::WindowText);

}

/*!

    \qmlproperty color SystemPalette::base

    The base color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::base() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::Base);

}

/*!

    \qmlproperty color SystemPalette::text

    The text color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::text() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::Text);

}

/*!

    \qmlproperty color SystemPalette::alternateBase

    The alternate base color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::alternateBase() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::AlternateBase);

}

/*!

    \qmlproperty color SystemPalette::button

    The button color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::button() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::Button);

}

/*!

    \qmlproperty color SystemPalette::buttonText

    The button text foreground color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::buttonText() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::ButtonText);

}

/*!

    \qmlproperty color SystemPalette::light

    The light color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::light() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::Light);

}

/*!

    \qmlproperty color SystemPalette::midlight

    The midlight color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::midlight() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::Midlight);

}

/*!

    \qmlproperty color SystemPalette::dark

    The dark color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::dark() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::Dark);

}

/*!

    \qmlproperty color SystemPalette::mid

    The mid color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::mid() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::Mid);

}

/*!

    \qmlproperty color SystemPalette::shadow

    The shadow color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::shadow() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::Shadow);

}

/*!

    \qmlproperty color SystemPalette::highlight

    The highlight color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::highlight() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::Highlight);

}

/*!

    \qmlproperty color SystemPalette::highlightedText

    The highlighted text color of the current color group.

    \sa QPalette::ColorRole

*/

QColor QDeclarativeSystemPalette::highlightedText() const

{

    Q_D(const QDeclarativeSystemPalette);

    return d->palette.color(d->group, QPalette::HighlightedText);

}

/*!

    \qmlproperty QDeclarativeSystemPalette::ColorGroup SystemPalette::colorGroup

    The color group of the palette. It can be Active, Inactive or Disabled.

    Active is the default.

    \sa QPalette::ColorGroup

*/

QDeclarativeSystemPalette::ColorGroup QDeclarativeSystemPalette::colorGroup() const

{

    Q_D(const QDeclarativeSystemPalette);

    return (QDeclarativeSystemPalette::ColorGroup)d->group;

}

void QDeclarativeSystemPalette::setColorGroup(QDeclarativeSystemPalette::ColorGroup colorGroup)

{

    Q_D(QDeclarativeSystemPalette);

    d->group = (QPalette::ColorGroup)colorGroup;

    emit paletteChanged();

}

bool QDeclarativeSystemPalette::eventFilter(QObject *watched, QEvent *event)

{

    if (watched == qApp) {

        if (event->type() == QEvent::ApplicationPaletteChange) {

            QApplication::postEvent(this, new QEvent(QEvent::ApplicationPaletteChange));

            return false;

        }

    }

    return QObject::eventFilter(watched, event);

}

bool QDeclarativeSystemPalette::event(QEvent *event)

{

    Q_D(QDeclarativeSystemPalette);

    if (event->type() == QEvent::ApplicationPaletteChange) {

        d->palette = QApplication::palette();

        emit paletteChanged();

        return true;

    }

    return QObject::event(event);

}

QT_END_NAMESPACE