Refactor the code that reads the KDE config in one file

Move the code out of qapplication_x11.cpp, and qcommonstyle.cpp
to qkde.cpp into the QKde namespace.

This removes few of the code duplication, and is much cleaner.

This will also let us install hook easily later.

Reviewed-by: Jens Bache-Wiig

1 files changed, 159 insertions, 0 deletions

diff --git a/src/gui/kernel/qkde.cpp b/src/gui/kernel/qkde.cpp
new file mode 100644
index 0000000..96ff21e
--- /dev/null
+++ b/src/gui/kernel/qkde.cpp
@@ -0,0 +1,159 @@
+/****************************************************************************
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#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");
+
+    return QString();
+}
+
+/*!\internal
+  placeholder to load icon from kde.
+  to be implemented
+ */
+QIcon QKde::kdeIcon(const QString &name)
+{
+    //###todo
+    return QIcon();
+}
+
+QT_END_NAMESPACE
+
+#endif //Q_WS_X11
+