8 files changed, 543 insertions, 0 deletions
diff --git a/src/plugins/platformthemes/gtk2/gtk2.json b/src/plugins/platformthemes/gtk2/gtk2.json
new file mode 100644
index 0000000000..86dd8e58fa
--- /dev/null
+++ b/src/plugins/platformthemes/gtk2/gtk2.json
@@ -0,0 +1,3 @@
+{
+    "Keys": [ "gtk2" ]
+}
diff --git a/src/plugins/platformthemes/gtk2/gtk2.pro b/src/plugins/platformthemes/gtk2/gtk2.pro
new file mode 100644
index 0000000000..f22753e96f
--- /dev/null
+++ b/src/plugins/platformthemes/gtk2/gtk2.pro
@@ -0,0 +1,19 @@
+TARGET = qgtk2
+
+PLUGIN_TYPE = platformthemes
+PLUGIN_CLASS_NAME = QGtk2ThemePlugin
+load(qt_plugin)
+
+QT += core-private gui-private platformsupport-private
+
+QMAKE_CXXFLAGS += $$QT_CFLAGS_QGTK2
+LIBS += $$QT_LIBS_QGTK2
+
+HEADERS += \
+        qgtk2dialoghelpers.h \
+        qgtk2theme.h
+
+SOURCES += \
+        main.cpp \
+        qgtk2dialoghelpers.cpp \
+        qgtk2theme.cpp \
diff --git a/src/plugins/platformthemes/gtk2/main.cpp b/src/plugins/platformthemes/gtk2/main.cpp
new file mode 100644
index 0000000000..0c3fe46e29
--- /dev/null
+++ b/src/plugins/platformthemes/gtk2/main.cpp
@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qpa/qplatformthemeplugin.h>
+#include "qgtk2theme.h"
+
+QT_BEGIN_NAMESPACE
+
+class QGtk2ThemePlugin : public QPlatformThemePlugin
+{
+   Q_OBJECT
+   Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QPA.QPlatformThemeFactoryInterface.5.1" FILE "gtk2.json")
+
+public:
+    QPlatformTheme *create(const QString &key, const QStringList &params);
+};
+
+QPlatformTheme *QGtk2ThemePlugin::create(const QString &key, const QStringList &params)
+{
+    Q_UNUSED(params);
+    if (!key.compare(QStringLiteral("gtk2"), Qt::CaseInsensitive))
+        return new QGtk2Theme;
+
+    return 0;
+}
+
+QT_END_NAMESPACE
+
+#include "main.moc"
diff --git a/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp b/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp
new file mode 100644
index 0000000000..19d4e9e469
--- /dev/null
+++ b/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp
@@ -0,0 +1,238 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgtk2dialoghelpers.h"
+
+#include <qeventloop.h>
+#include <qwindow.h>
+#include <qcolor.h>
+#include <qdebug.h>
+
+#include <private/qguiapplication_p.h>
+
+#undef signals
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+
+QT_BEGIN_NAMESPACE
+
+class QGtk2Dialog : public QWindow
+{
+    Q_OBJECT
+
+public:
+    QGtk2Dialog(GtkWidget *gtkWidget);
+    ~QGtk2Dialog();
+
+    GtkDialog* gtkDialog() const;
+
+    void exec();
+    bool show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent);
+    void hide();
+
+Q_SIGNALS:
+    void accept();
+    void reject();
+
+protected:
+    static void onResponse(QGtk2Dialog *dialog, int response);
+
+private:
+    GtkWidget *gtkWidget;
+};
+
+QGtk2Dialog::QGtk2Dialog(GtkWidget *gtkWidget) : gtkWidget(gtkWidget)
+{
+    g_signal_connect_swapped(G_OBJECT(gtkWidget), "response", G_CALLBACK(onResponse), this);
+    g_signal_connect(G_OBJECT(gtkWidget), "delete-event", G_CALLBACK(gtk_widget_hide_on_delete), NULL);
+}
+
+QGtk2Dialog::~QGtk2Dialog()
+{
+    gtk_widget_destroy(gtkWidget);
+}
+
+GtkDialog* QGtk2Dialog::gtkDialog() const
+{
+    return GTK_DIALOG(gtkWidget);
+}
+
+void QGtk2Dialog::exec()
+{
+    if (modality() == Qt::ApplicationModal) {
+        // block input to the whole app, including other GTK dialogs
+        gtk_dialog_run(gtkDialog());
+    } else {
+        // block input to the window, allow input to other GTK dialogs
+        QEventLoop loop;
+        connect(this, SIGNAL(accept()), &loop, SLOT(quit()));
+        connect(this, SIGNAL(reject()), &loop, SLOT(quit()));
+        loop.exec();
+    }
+}
+
+bool QGtk2Dialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent)
+{
+    setParent(parent);
+    setFlags(flags);
+    setModality(modality);
+
+    gtk_widget_realize(gtkWidget); // creates X window
+
+    if (parent) {
+        XSetTransientForHint(gdk_x11_drawable_get_xdisplay(gtkWidget->window),
+                             gdk_x11_drawable_get_xid(gtkWidget->window),
+                             parent->winId());
+    }
+
+    if (modality != Qt::NonModal) {
+        gdk_window_set_modal_hint(gtkWidget->window, true);
+        QGuiApplicationPrivate::showModalWindow(this);
+    }
+
+    gtk_widget_show(gtkWidget);
+    return true;
+}
+
+void QGtk2Dialog::hide()
+{
+    QGuiApplicationPrivate::hideModalWindow(this);
+    gtk_widget_hide(gtkWidget);
+}
+
+void QGtk2Dialog::onResponse(QGtk2Dialog *dialog, int response)
+{
+    if (response == GTK_RESPONSE_OK)
+        emit dialog->accept();
+    else
+        emit dialog->reject();
+}
+
+QGtk2ColorDialogHelper::QGtk2ColorDialogHelper()
+{
+    d.reset(new QGtk2Dialog(gtk_color_selection_dialog_new("")));
+    connect(d.data(), SIGNAL(accept()), this, SLOT(onAccepted()));
+    connect(d.data(), SIGNAL(reject()), this, SIGNAL(reject()));
+
+    GtkWidget *gtkColorSelection = gtk_color_selection_dialog_get_color_selection(GTK_COLOR_SELECTION_DIALOG(d->gtkDialog()));
+    g_signal_connect_swapped(gtkColorSelection, "color-changed", G_CALLBACK(onColorChanged), this);
+}
+
+QGtk2ColorDialogHelper::~QGtk2ColorDialogHelper()
+{
+}
+
+bool QGtk2ColorDialogHelper::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent)
+{
+    applyOptions();
+    return d->show(flags, modality, parent);
+}
+
+void QGtk2ColorDialogHelper::exec()
+{
+    d->exec();
+}
+
+void QGtk2ColorDialogHelper::hide()
+{
+    d->hide();
+}
+
+void QGtk2ColorDialogHelper::setCurrentColor(const QColor &color)
+{
+    GtkDialog *gtkDialog = d->gtkDialog();
+    GtkWidget *gtkColorSelection = gtk_color_selection_dialog_get_color_selection(GTK_COLOR_SELECTION_DIALOG(gtkDialog));
+    GdkColor gdkColor;
+    gdkColor.red = color.red() << 8;
+    gdkColor.green = color.green() << 8;
+    gdkColor.blue = color.blue() << 8;
+    gtk_color_selection_set_current_color(GTK_COLOR_SELECTION(gtkColorSelection), &gdkColor);
+    if (color.alpha() < 255) {
+        gtk_color_selection_set_has_opacity_control(GTK_COLOR_SELECTION(gtkColorSelection), true);
+        gtk_color_selection_set_current_alpha(GTK_COLOR_SELECTION(gtkColorSelection), color.alpha() << 8);
+    }
+}
+
+QColor QGtk2ColorDialogHelper::currentColor() const
+{
+    GtkDialog *gtkDialog = d->gtkDialog();
+    GtkWidget *gtkColorSelection = gtk_color_selection_dialog_get_color_selection(GTK_COLOR_SELECTION_DIALOG(gtkDialog));
+    GdkColor gdkColor;
+    gtk_color_selection_get_current_color(GTK_COLOR_SELECTION(gtkColorSelection), &gdkColor);
+    guint16 alpha = gtk_color_selection_get_current_alpha(GTK_COLOR_SELECTION(gtkColorSelection));
+    return QColor(gdkColor.red >> 8, gdkColor.green >> 8, gdkColor.blue >> 8, alpha >> 8);
+}
+
+void QGtk2ColorDialogHelper::onAccepted()
+{
+    emit accept();
+    emit colorSelected(currentColor());
+}
+
+void QGtk2ColorDialogHelper::onColorChanged(QGtk2ColorDialogHelper *dialog)
+{
+    emit dialog->currentColorChanged(dialog->currentColor());
+}
+
+void QGtk2ColorDialogHelper::applyOptions()
+{
+    GtkDialog* gtkDialog = d->gtkDialog();
+    gtk_window_set_title(GTK_WINDOW(gtkDialog), options()->windowTitle().toUtf8());
+
+    GtkWidget *gtkColorSelection = gtk_color_selection_dialog_get_color_selection(GTK_COLOR_SELECTION_DIALOG(gtkDialog));
+    gtk_color_selection_set_has_opacity_control(GTK_COLOR_SELECTION(gtkColorSelection), options()->testOption(QColorDialogOptions::ShowAlphaChannel));
+
+    GtkWidget *okButton = 0;
+    GtkWidget *cancelButton = 0;
+    GtkWidget *helpButton = 0;
+    g_object_get(G_OBJECT(gtkDialog), "ok-button", &okButton, "cancel-button", &cancelButton, "help-button", &helpButton, NULL);
+    if (okButton)
+        g_object_set(G_OBJECT(okButton), "visible", !options()->testOption(QColorDialogOptions::NoButtons), NULL);
+    if (cancelButton)
+        g_object_set(G_OBJECT(cancelButton), "visible", !options()->testOption(QColorDialogOptions::NoButtons), NULL);
+    if (helpButton)
+        gtk_widget_hide(helpButton);
+}
+
+QT_END_NAMESPACE
+
+#include "qgtk2dialoghelpers.moc"
diff --git a/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.h b/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.h
new file mode 100644
index 0000000000..9dc6991601
--- /dev/null
+++ b/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.h
@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGTK2DIALOGHELPERS_P_H
+#define QGTK2DIALOGHELPERS_P_H
+
+#include <QtCore/qscopedpointer.h>
+#include <qpa/qplatformdialoghelper.h>
+
+QT_BEGIN_NAMESPACE
+
+class QGtk2Dialog;
+
+class QGtk2ColorDialogHelper : public QPlatformColorDialogHelper
+{
+    Q_OBJECT
+
+public:
+    QGtk2ColorDialogHelper();
+    ~QGtk2ColorDialogHelper();
+
+    virtual bool show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent);
+    virtual void exec();
+    virtual void hide();
+
+    virtual void setCurrentColor(const QColor &color);
+    virtual QColor currentColor() const;
+
+private Q_SLOTS:
+    void onAccepted();
+
+private:
+    static void onColorChanged(QGtk2ColorDialogHelper *helper);
+    void applyOptions();
+
+    mutable QScopedPointer<QGtk2Dialog> d;
+};
+
+QT_END_NAMESPACE
+
+#endif // QGTK2DIALOGHELPERS_P_H
diff --git a/src/plugins/platformthemes/gtk2/qgtk2theme.cpp b/src/plugins/platformthemes/gtk2/qgtk2theme.cpp
new file mode 100644
index 0000000000..c7e612d1d6
--- /dev/null
+++ b/src/plugins/platformthemes/gtk2/qgtk2theme.cpp
@@ -0,0 +1,72 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgtk2theme.h"
+#include "qgtk2dialoghelpers.h"
+
+#undef signals
+#include <gtk/gtk.h>
+
+QT_BEGIN_NAMESPACE
+
+const char *QGtk2Theme::name = "gtk2";
+
+QGtk2Theme::QGtk2Theme()
+{
+    gtk_init(0, 0);
+}
+
+bool QGtk2Theme::usePlatformNativeDialog(DialogType type) const
+{
+    return type == ColorDialog;
+}
+
+QPlatformDialogHelper *QGtk2Theme::createPlatformDialogHelper(DialogType type) const
+{
+    switch (type) {
+    case ColorDialog:
+        return new QGtk2ColorDialogHelper;
+    default:
+        return 0;
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/plugins/platformthemes/gtk2/qgtk2theme.h b/src/plugins/platformthemes/gtk2/qgtk2theme.h
new file mode 100644
index 0000000000..6d8768dd8e
--- /dev/null
+++ b/src/plugins/platformthemes/gtk2/qgtk2theme.h
@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGTK2THEME_H
+#define QGTK2THEME_H
+
+#include <private/qgenericunixthemes_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QGtk2Theme : public QGnomeTheme
+{
+public:
+    QGtk2Theme();
+
+    virtual bool usePlatformNativeDialog(DialogType type) const;
+    virtual QPlatformDialogHelper *createPlatformDialogHelper(DialogType type) const;
+
+    static const char *name;
+};
+
+QT_END_NAMESPACE
+
+#endif // QGTK2THEME_H
diff --git a/src/plugins/platformthemes/platformthemes.pro b/src/plugins/platformthemes/platformthemes.pro
new file mode 100644
index 0000000000..23dcda2c82
--- /dev/null
+++ b/src/plugins/platformthemes/platformthemes.pro
@@ -0,0 +1,3 @@
+TEMPLATE = subdirs
+
+contains(QT_CONFIG, gtk2): SUBDIRS += gtk2