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#include "qkde_p.h"

#include <QtCore/QLibrary>

#include <QtCore/QDir>

#include <QtCore/qdebug.h>

#include <QtCore/QSettings>

#include "QtGui/qstylefactory.h"

#include "qt_x11_p.h"

#if defined(Q_WS_X11)

QT_BEGIN_NAMESPACE

/*! \internal

Gets the current KDE home path

like "/home/troll/.kde"

*/

QString QKde::kdeHome()

{

    static QString kdeHomePath;

    if (kdeHomePath.isEmpty()) {

        kdeHomePath = QString::fromLocal8Bit(qgetenv("KDEHOME"));

        if (kdeHomePath.isEmpty()) {

            QDir homeDir(QDir::homePath());

            QString kdeConfDir(QLatin1String("/.kde"));

            if (4 == X11->desktopVersion && homeDir.exists(QLatin1String(".kde4")))

            kdeConfDir = QLatin1String("/.kde4");

            kdeHomePath = QDir::homePath() + kdeConfDir;

        }

    }

    return kdeHomePath;

}

/*!\internal

  Reads the color from the config, and store it in the palette with the given color role if found

  */

static bool kdeColor(QPalette *pal, QPalette::ColorRole role, const QSettings &kdeSettings, const QString &kde4Key, const QString &kde3Key = QString())

{

    QVariant variant = kdeSettings.value(kde4Key);

    if (!variant.isValid())

        QVariant variant = kdeSettings.value(kde3Key);

    if (variant.isValid()) {

        QStringList values = variant.toStringList();

        if (values.size() == 3) {

            int r = values[0].toInt();

            int g = values[1].toInt();

            int b = values[2].toInt();

            pal->setBrush(role, QColor(r, g, b));

            return true;

        }

    }

    return false;

}

/*!\internal

    Returns the KDE palette

*/

QPalette QKde::kdePalette()

{

    const QSettings theKdeSettings(QKde::kdeHome() +

        QLatin1String("/share/config/kdeglobals"), QSettings::IniFormat);

    QPalette pal;

    // Setup KDE palette

    kdeColor(&pal, QPalette::Button, theKdeSettings, QLatin1String("Colors:Button/BackgroundNormal"), QLatin1String("buttonBackground"));

    kdeColor(&pal, QPalette::Window, theKdeSettings, QLatin1String("Colors:Window/BackgroundNormal"), QLatin1String("background"));

    kdeColor(&pal, QPalette::Text, theKdeSettings, QLatin1String("Colors:View/ForegroundNormal"), QLatin1String("foreground"));

    kdeColor(&pal, QPalette::WindowText, theKdeSettings, QLatin1String("Colors:Window/ForegroundNormal"), QLatin1String("windowForeground"));

    kdeColor(&pal, QPalette::Base, theKdeSettings, QLatin1String("Colors:View/BackgroundNormal"), QLatin1String("windowBackground"));

    kdeColor(&pal, QPalette::Highlight, theKdeSettings, QLatin1String("Colors:Selection/BackgroundNormal"), QLatin1String("selectBackground"));

    kdeColor(&pal, QPalette::HighlightedText, theKdeSettings, QLatin1String("Colors:Selection/ForegroundNormal"), QLatin1String("selectForeground"));

    kdeColor(&pal, QPalette::AlternateBase, theKdeSettings, QLatin1String("Colors:View/BackgroundAlternate"), QLatin1String("alternateBackground"));

    kdeColor(&pal, QPalette::ButtonText, theKdeSettings, QLatin1String("Colors:Button/ForegroundNormal"), QLatin1String("buttonForeground"));

    kdeColor(&pal, QPalette::Link, theKdeSettings, QLatin1String("Colors:View/ForegroundLink"), QLatin1String("linkColor"));

    kdeColor(&pal, QPalette::LinkVisited, theKdeSettings, QLatin1String("Colors:View/ForegroundVisited"), QLatin1String("visitedLinkColor"));

   //## TODO tooltip color

    return pal;

}

/*!\internal

    Returns the name of the QStyle to use.

    (read from the kde config if needed)

*/

QString QKde::kdeStyle()

{

    if (X11->desktopVersion >= 4) {

        QSettings kdeSettings(QKde::kdeHome() + QLatin1String("/share/config/kdeglobals"), QSettings::IniFormat);

        QString style = kdeSettings.value(QLatin1String("widgetStyle"), QLatin1String("Oxygen")).toString();

        QStringList availableStyles = QStyleFactory::keys();

        if(availableStyles.contains(style, Qt::CaseInsensitive))

            return style;

    }

    if (X11->use_xrender)

        return QLatin1String("plastique");

    else

        return QLatin1String("windows");

}

int QKde::kdeToolButtonStyle()

{

    QSettings settings(QKde::kdeHome() + QLatin1String("/share/config/kdeglobals"),

                        QSettings::IniFormat);

    settings.beginGroup(QLatin1String("Toolbar style"));

    QString toolbarStyle = settings.value(QLatin1String("ToolButtonStyle"), QLatin1String("TextBesideIcon")).toString();

    if (toolbarStyle == QLatin1String("TextBesideIcon"))

        return Qt::ToolButtonTextBesideIcon;

    else if (toolbarStyle == QLatin1String("TextOnly"))

        return Qt::ToolButtonTextOnly;

    else if (toolbarStyle == QLatin1String("TextUnderIcon"))

        return Qt::ToolButtonTextUnderIcon;

    return Qt::ToolButtonTextBesideIcon;

}

int QKde::kdeToolBarIconSize()

{

    static int iconSize = -1;

    if (iconSize == -1) {

        QSettings settings(QKde::kdeHome() + QLatin1String("/share/config/kdeglobals"),

                            QSettings::IniFormat);

                            settings.beginGroup(QLatin1String("ToolbarIcons"));

        iconSize = settings.value(QLatin1String("Size")).toInt();

    }

    return iconSize;

}

QT_END_NAMESPACE

#endif //Q_WS_X11