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

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying

** this package.

**

** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

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

#include "qgtkstyle_p.h"

// This file is responsible for resolving all GTK functions we use

// dynamically. This is done to avoid link-time dependancy on GTK

// as well as crashes occurring due to usage of the GTK_QT engines

//

// Additionally we create a map of common GTK widgets that we can pass

// to the GTK theme engine as many engines resort to querying the

// actual widget pointers for details that are not covered by the

// state flags

#include <QtCore/qglobal.h>

#if !defined(QT_NO_STYLE_GTK)

#include <QtCore/QEvent>

#include <QtCore/QFile>

#include <QtCore/QStringList>

#include <QtCore/QTextStream>

#include <QtCore/QHash>

#include <QtCore/QUrl>

#include <QtCore/QLibrary>

#include <private/qapplication_p.h>

#include <private/qiconloader_p.h>

#include <QtGui/QMenu>

#include <QtGui/QStyle>

#include <QtGui/QApplication>

#include <QtGui/QPixmapCache>

#include <QtGui/QStatusBar>

#include <QtGui/QMenuBar>

#include <QtGui/QToolBar>

#include <QtGui/QToolButton>

#include <QtGui/QX11Info>

#include <private/qt_x11_p.h>

QT_BEGIN_NAMESPACE

static bool displayDepth  =  -1;

Q_GLOBAL_STATIC(QGtkStyleUpdateScheduler, styleScheduler)

Ptr_gtk_container_forall QGtkStylePrivate::gtk_container_forall = 0;

Ptr_gtk_init QGtkStylePrivate::gtk_init = 0;

Ptr_gtk_style_attach QGtkStylePrivate::gtk_style_attach = 0;

Ptr_gtk_window_new QGtkStylePrivate::gtk_window_new = 0;

Ptr_gtk_widget_destroy QGtkStylePrivate::gtk_widget_destroy = 0;

Ptr_gtk_widget_realize QGtkStylePrivate::gtk_widget_realize = 0;

Ptr_gtk_widget_set_default_direction QGtkStylePrivate::gtk_widget_set_default_direction = 0;

Ptr_gtk_widget_modify_color QGtkStylePrivate::gtk_widget_modify_fg = 0;

Ptr_gtk_widget_modify_color QGtkStylePrivate::gtk_widget_modify_bg = 0;

Ptr_gtk_arrow_new QGtkStylePrivate::gtk_arrow_new = 0;

Ptr_gtk_menu_bar_new QGtkStylePrivate::gtk_menu_bar_new = 0;

Ptr_gtk_menu_new QGtkStylePrivate::gtk_menu_new = 0;

Ptr_gtk_button_new QGtkStylePrivate::gtk_button_new = 0;

Ptr_gtk_tool_button_new QGtkStylePrivate::gtk_tool_button_new = 0;

Ptr_gtk_hbutton_box_new QGtkStylePrivate::gtk_hbutton_box_new = 0;

Ptr_gtk_check_button_new QGtkStylePrivate::gtk_check_button_new = 0;

Ptr_gtk_radio_button_new QGtkStylePrivate::gtk_radio_button_new = 0;

Ptr_gtk_spin_button_new QGtkStylePrivate::gtk_spin_button_new = 0;

Ptr_gtk_frame_new QGtkStylePrivate::gtk_frame_new = 0;

Ptr_gtk_expander_new QGtkStylePrivate::gtk_expander_new = 0;

Ptr_gtk_statusbar_new QGtkStylePrivate::gtk_statusbar_new = 0;

Ptr_gtk_entry_new QGtkStylePrivate::gtk_entry_new = 0;

Ptr_gtk_hscale_new QGtkStylePrivate::gtk_hscale_new = 0;

Ptr_gtk_vscale_new QGtkStylePrivate::gtk_vscale_new = 0;

Ptr_gtk_hscrollbar_new QGtkStylePrivate::gtk_hscrollbar_new = 0;

Ptr_gtk_vscrollbar_new QGtkStylePrivate::gtk_vscrollbar_new = 0;

Ptr_gtk_scrolled_window_new QGtkStylePrivate::gtk_scrolled_window_new = 0;

Ptr_gtk_notebook_new QGtkStylePrivate::gtk_notebook_new = 0;

Ptr_gtk_toolbar_new QGtkStylePrivate::gtk_toolbar_new = 0;

Ptr_gtk_toolbar_insert QGtkStylePrivate::gtk_toolbar_insert = 0;

Ptr_gtk_separator_tool_item_new QGtkStylePrivate::gtk_separator_tool_item_new = 0;

Ptr_gtk_tree_view_new QGtkStylePrivate::gtk_tree_view_new = 0;

Ptr_gtk_combo_box_new QGtkStylePrivate::gtk_combo_box_new = 0;

Ptr_gtk_combo_box_entry_new QGtkStylePrivate::gtk_combo_box_entry_new = 0;

Ptr_gtk_progress_bar_new QGtkStylePrivate::gtk_progress_bar_new = 0;

Ptr_gtk_container_add QGtkStylePrivate::gtk_container_add = 0;

Ptr_gtk_menu_shell_append QGtkStylePrivate::gtk_menu_shell_append = 0;

Ptr_gtk_progress_set_adjustment QGtkStylePrivate::gtk_progress_set_adjustment = 0;

Ptr_gtk_range_set_adjustment QGtkStylePrivate::gtk_range_set_adjustment = 0;

Ptr_gtk_range_set_inverted QGtkStylePrivate::gtk_range_set_inverted = 0;

Ptr_gtk_icon_factory_lookup_default QGtkStylePrivate::gtk_icon_factory_lookup_default = 0;

Ptr_gtk_icon_theme_get_default QGtkStylePrivate::gtk_icon_theme_get_default = 0;

Ptr_gtk_widget_style_get QGtkStylePrivate::gtk_widget_style_get = 0;

Ptr_gtk_icon_set_render_icon QGtkStylePrivate::gtk_icon_set_render_icon = 0;

Ptr_gtk_fixed_new QGtkStylePrivate::gtk_fixed_new = 0;

Ptr_gtk_tree_view_column_new QGtkStylePrivate::gtk_tree_view_column_new = 0;

Ptr_gtk_tree_view_get_column QGtkStylePrivate::gtk_tree_view_get_column = 0;

Ptr_gtk_tree_view_append_column QGtkStylePrivate::gtk_tree_view_append_column = 0;

Ptr_gtk_paint_check QGtkStylePrivate::gtk_paint_check = 0;

Ptr_gtk_paint_box QGtkStylePrivate::gtk_paint_box = 0;

Ptr_gtk_paint_box_gap QGtkStylePrivate::gtk_paint_box_gap = 0;

Ptr_gtk_paint_flat_box QGtkStylePrivate::gtk_paint_flat_box = 0;

Ptr_gtk_paint_option QGtkStylePrivate::gtk_paint_option = 0;

Ptr_gtk_paint_extension QGtkStylePrivate::gtk_paint_extension = 0;

Ptr_gtk_paint_slider QGtkStylePrivate::gtk_paint_slider = 0;

Ptr_gtk_paint_shadow QGtkStylePrivate::gtk_paint_shadow = 0;

Ptr_gtk_paint_resize_grip QGtkStylePrivate::gtk_paint_resize_grip = 0;

Ptr_gtk_paint_focus QGtkStylePrivate::gtk_paint_focus = 0;

Ptr_gtk_paint_arrow QGtkStylePrivate::gtk_paint_arrow = 0;

Ptr_gtk_paint_handle QGtkStylePrivate::gtk_paint_handle = 0;

Ptr_gtk_paint_expander QGtkStylePrivate::gtk_paint_expander = 0;

Ptr_gtk_adjustment_new QGtkStylePrivate::gtk_adjustment_new = 0;

Ptr_gtk_paint_hline QGtkStylePrivate::gtk_paint_hline = 0;

Ptr_gtk_paint_vline QGtkStylePrivate::gtk_paint_vline = 0;

Ptr_gtk_menu_item_set_submenu QGtkStylePrivate::gtk_menu_item_set_submenu = 0;

Ptr_gtk_settings_get_default QGtkStylePrivate::gtk_settings_get_default = 0;

Ptr_gtk_separator_menu_item_new QGtkStylePrivate::gtk_separator_menu_item_new = 0;

Ptr_gtk_widget_size_allocate QGtkStylePrivate::gtk_widget_size_allocate = 0;

Ptr_gtk_widget_size_request QGtkStylePrivate::gtk_widget_size_request = 0;

Ptr_gtk_widget_set_direction QGtkStylePrivate::gtk_widget_set_direction = 0;

Ptr_gtk_widget_path QGtkStylePrivate::gtk_widget_path = 0;

Ptr_gtk_container_get_type QGtkStylePrivate::gtk_container_get_type = 0;

Ptr_gtk_window_get_type QGtkStylePrivate::gtk_window_get_type = 0;

Ptr_gtk_widget_get_type QGtkStylePrivate::gtk_widget_get_type = 0;

Ptr_gtk_rc_get_style_by_paths QGtkStylePrivate::gtk_rc_get_style_by_paths = 0;

Ptr_gtk_check_version QGtkStylePrivate::gtk_check_version = 0;

Ptr_gtk_border_free QGtkStylePrivate::gtk_border_free = 0;

Ptr_pango_font_description_get_size QGtkStylePrivate::pango_font_description_get_size = 0;

Ptr_pango_font_description_get_weight QGtkStylePrivate::pango_font_description_get_weight = 0;

Ptr_pango_font_description_get_family QGtkStylePrivate::pango_font_description_get_family = 0;

Ptr_pango_font_description_get_style QGtkStylePrivate::pango_font_description_get_style = 0;

Ptr_gtk_file_filter_new QGtkStylePrivate::gtk_file_filter_new = 0;

Ptr_gtk_file_filter_set_name QGtkStylePrivate::gtk_file_filter_set_name = 0;

Ptr_gtk_file_filter_add_pattern QGtkStylePrivate::gtk_file_filter_add_pattern = 0;

Ptr_gtk_file_chooser_add_filter QGtkStylePrivate::gtk_file_chooser_add_filter = 0;

Ptr_gtk_file_chooser_set_filter QGtkStylePrivate::gtk_file_chooser_set_filter = 0;

Ptr_gtk_file_chooser_get_filter QGtkStylePrivate::gtk_file_chooser_get_filter = 0;

Ptr_gtk_file_chooser_dialog_new QGtkStylePrivate::gtk_file_chooser_dialog_new = 0;

Ptr_gtk_file_chooser_set_current_folder QGtkStylePrivate::gtk_file_chooser_set_current_folder = 0;

Ptr_gtk_file_chooser_get_filename QGtkStylePrivate::gtk_file_chooser_get_filename = 0;

Ptr_gtk_file_chooser_get_filenames QGtkStylePrivate::gtk_file_chooser_get_filenames = 0;

Ptr_gtk_file_chooser_set_current_name QGtkStylePrivate::gtk_file_chooser_set_current_name = 0;

Ptr_gtk_dialog_run QGtkStylePrivate::gtk_dialog_run = 0;

Ptr_gtk_file_chooser_set_filename QGtkStylePrivate::gtk_file_chooser_set_filename = 0;

Ptr_gdk_pixbuf_get_pixels QGtkStylePrivate::gdk_pixbuf_get_pixels = 0;

Ptr_gdk_pixbuf_get_width QGtkStylePrivate::gdk_pixbuf_get_width = 0;

Ptr_gdk_pixbuf_get_height QGtkStylePrivate::gdk_pixbuf_get_height = 0;

Ptr_gdk_pixmap_new QGtkStylePrivate::gdk_pixmap_new = 0;

Ptr_gdk_pixbuf_new QGtkStylePrivate::gdk_pixbuf_new = 0;

Ptr_gdk_pixbuf_get_from_drawable QGtkStylePrivate::gdk_pixbuf_get_from_drawable = 0;

Ptr_gdk_draw_rectangle QGtkStylePrivate::gdk_draw_rectangle = 0;

Ptr_gdk_pixbuf_unref QGtkStylePrivate::gdk_pixbuf_unref = 0;

Ptr_gdk_drawable_unref QGtkStylePrivate::gdk_drawable_unref = 0;

Ptr_gdk_drawable_get_depth QGtkStylePrivate::gdk_drawable_get_depth = 0;

Ptr_gdk_color_free QGtkStylePrivate::gdk_color_free = 0;

Ptr_gdk_x11_window_set_user_time QGtkStylePrivate::gdk_x11_window_set_user_time = 0;

Ptr_gdk_x11_drawable_get_xid QGtkStylePrivate::gdk_x11_drawable_get_xid = 0;

Ptr_gdk_x11_drawable_get_xdisplay QGtkStylePrivate::gdk_x11_drawable_get_xdisplay = 0;

Ptr_gconf_client_get_default QGtkStylePrivate::gconf_client_get_default = 0;

Ptr_gconf_client_get_string QGtkStylePrivate::gconf_client_get_string = 0;

Ptr_gconf_client_get_bool QGtkStylePrivate::gconf_client_get_bool = 0;

Ptr_gnome_icon_lookup_sync QGtkStylePrivate::gnome_icon_lookup_sync = 0;

Ptr_gnome_vfs_init QGtkStylePrivate::gnome_vfs_init = 0;

typedef int (*x11ErrorHandler)(Display*, XErrorEvent*);

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QGtkStylePrivate*);

QT_BEGIN_NAMESPACE

static void gtkStyleSetCallback(GtkWidget*)

{

    qRegisterMetaType<QGtkStylePrivate *>();

    // We have to let this function return and complete the event

    // loop to ensure that all gtk widgets have been styled before

    // updating

    QMetaObject::invokeMethod(styleScheduler(), "updateTheme", Qt::QueuedConnection);

}

static void update_toolbar_style(GtkWidget *gtkToolBar, GParamSpec *, gpointer)

{

    GtkToolbarStyle toolbar_style = GTK_TOOLBAR_ICONS;

    g_object_get(gtkToolBar, "toolbar-style", &toolbar_style, NULL);

    QWidgetList widgets = QApplication::allWidgets();

    for (int i = 0; i < widgets.size(); ++i) {

        QWidget *widget = widgets.at(i);

        if (qobject_cast<QToolButton*>(widget)) {

            QEvent event(QEvent::StyleChange);

            QApplication::sendEvent(widget, &event);

        }

    }

}

static QString classPath(GtkWidget *widget)

{

    char* class_path;

    QGtkStylePrivate::gtk_widget_path (widget, NULL, &class_path, NULL);

    QString path = QLS(class_path);

    g_free(class_path);

    // Remove the prefixes

    path.remove(QLS("GtkWindow."));

    path.remove(QLS("GtkFixed."));

    return path;

}

bool QGtkStyleFilter::eventFilter(QObject *obj, QEvent *e)

{

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

        // Only do this the first time since this will also

        // generate applicationPaletteChange events

        if (!qt_app_palettes_hash() ||  qt_app_palettes_hash()->isEmpty()) {

            stylePrivate->applyCustomPaletteHash();

        }

    }

    return QObject::eventFilter(obj, e);

}

QList<QGtkStylePrivate *> QGtkStylePrivate::instances;

QGtkStylePrivate::QGtkStylePrivate()

  : QCleanlooksStylePrivate()

  , filter(this)

{

    instances.append(this);

}

QGtkStylePrivate::~QGtkStylePrivate()

{

    instances.removeOne(this);

}

void QGtkStylePrivate::init()

{

    resolveGtk();

    initGtkWidgets();

    if (isThemeAvailable())

        qApp->installEventFilter(&filter);

}

GtkWidget* QGtkStylePrivate::gtkWidget(const QString &path)

{

    GtkWidget *widget = gtkWidgetMap()->value(path);

    if (!widget) {

        // Theme might have rearranged widget internals

        widget = gtkWidgetMap()->value(path);

    }

    return widget;

}

GtkStyle* QGtkStylePrivate::gtkStyle(const QString &path)

{

    if (gtkWidgetMap()->contains(path))

        return gtkWidgetMap()->value(path)->style;

    return 0;

}

/*! \internal

 *  Get references to gtk functions after we dynamically load the library.

 */

void QGtkStylePrivate::resolveGtk() const

{

    // enforce the "0" suffix, so we'll open libgtk-x11-2.0.so.0

    QLibrary libgtk(QLS("gtk-x11-2.0"), 0, 0);

    gtk_init = (Ptr_gtk_init)libgtk.resolve("gtk_init");

    gtk_window_new = (Ptr_gtk_window_new)libgtk.resolve("gtk_window_new");

    gtk_style_attach = (Ptr_gtk_style_attach)libgtk.resolve("gtk_style_attach");

    gtk_widget_destroy = (Ptr_gtk_widget_destroy)libgtk.resolve("gtk_widget_destroy");

    gtk_widget_realize = (Ptr_gtk_widget_realize)libgtk.resolve("gtk_widget_realize");

    gtk_file_chooser_set_current_folder = (Ptr_gtk_file_chooser_set_current_folder)libgtk.resolve("gtk_file_chooser_set_current_folder");

    gtk_file_filter_new = (Ptr_gtk_file_filter_new)libgtk.resolve("gtk_file_filter_new");

    gtk_file_filter_set_name = (Ptr_gtk_file_filter_set_name)libgtk.resolve("gtk_file_filter_set_name");

    gtk_file_filter_add_pattern = (Ptr_gtk_file_filter_add_pattern)libgtk.resolve("gtk_file_filter_add_pattern");

    gtk_file_chooser_add_filter = (Ptr_gtk_file_chooser_add_filter)libgtk.resolve("gtk_file_chooser_add_filter");

    gtk_file_chooser_set_filter = (Ptr_gtk_file_chooser_set_filter)libgtk.resolve("gtk_file_chooser_set_filter");

    gtk_file_chooser_get_filter = (Ptr_gtk_file_chooser_get_filter)libgtk.resolve("gtk_file_chooser_get_filter");

    gtk_file_chooser_dialog_new = (Ptr_gtk_file_chooser_dialog_new)libgtk.resolve("gtk_file_chooser_dialog_new");

    gtk_file_chooser_set_current_folder = (Ptr_gtk_file_chooser_set_current_folder)libgtk.resolve("gtk_file_chooser_set_current_folder");

    gtk_file_chooser_get_filename = (Ptr_gtk_file_chooser_get_filename)libgtk.resolve("gtk_file_chooser_get_filename");

    gtk_file_chooser_get_filenames = (Ptr_gtk_file_chooser_get_filenames)libgtk.resolve("gtk_file_chooser_get_filenames");

    gtk_file_chooser_set_current_name = (Ptr_gtk_file_chooser_set_current_name)libgtk.resolve("gtk_file_chooser_set_current_name");

    gtk_dialog_run = (Ptr_gtk_dialog_run)libgtk.resolve("gtk_dialog_run");

    gtk_file_chooser_set_filename = (Ptr_gtk_file_chooser_set_filename)libgtk.resolve("gtk_file_chooser_set_filename");

    gdk_pixbuf_get_pixels = (Ptr_gdk_pixbuf_get_pixels)libgtk.resolve("gdk_pixbuf_get_pixels");

    gdk_pixbuf_get_width = (Ptr_gdk_pixbuf_get_width)libgtk.resolve("gdk_pixbuf_get_width");

    gdk_pixbuf_get_height = (Ptr_gdk_pixbuf_get_height)libgtk.resolve("gdk_pixbuf_get_height");

    gdk_pixmap_new = (Ptr_gdk_pixmap_new)libgtk.resolve("gdk_pixmap_new");

    gdk_pixbuf_new = (Ptr_gdk_pixbuf_new)libgtk.resolve("gdk_pixbuf_new");

    gdk_pixbuf_get_from_drawable = (Ptr_gdk_pixbuf_get_from_drawable)libgtk.resolve("gdk_pixbuf_get_from_drawable");

    gdk_draw_rectangle = (Ptr_gdk_draw_rectangle)libgtk.resolve("gdk_draw_rectangle");

    gdk_pixbuf_unref = (Ptr_gdk_pixbuf_unref)libgtk.resolve("gdk_pixbuf_unref");

    gdk_drawable_unref = (Ptr_gdk_drawable_unref)libgtk.resolve("gdk_drawable_unref");

    gdk_drawable_get_depth = (Ptr_gdk_drawable_get_depth)libgtk.resolve("gdk_drawable_get_depth");

    gdk_color_free = (Ptr_gdk_color_free)libgtk.resolve("gdk_color_free");

    gdk_x11_window_set_user_time = (Ptr_gdk_x11_window_set_user_time)libgtk.resolve("gdk_x11_window_set_user_time");

    gdk_x11_drawable_get_xid = (Ptr_gdk_x11_drawable_get_xid)libgtk.resolve("gdk_x11_drawable_get_xid");

    gdk_x11_drawable_get_xdisplay = (Ptr_gdk_x11_drawable_get_xdisplay)libgtk.resolve("gdk_x11_drawable_get_xdisplay");

    gtk_widget_set_default_direction = (Ptr_gtk_widget_set_default_direction)libgtk.resolve("gtk_widget_set_default_direction");

    gtk_widget_modify_fg = (Ptr_gtk_widget_modify_color)libgtk.resolve("gtk_widget_modify_fg");

    gtk_widget_modify_bg = (Ptr_gtk_widget_modify_color)libgtk.resolve("gtk_widget_modify_bg");

    gtk_arrow_new = (Ptr_gtk_arrow_new)libgtk.resolve("gtk_arrow_new");

    gtk_menu_bar_new = (Ptr_gtk_menu_bar_new)libgtk.resolve("gtk_menu_bar_new");

    gtk_menu_new = (Ptr_gtk_menu_new)libgtk.resolve("gtk_menu_new");

    gtk_toolbar_new = (Ptr_gtk_toolbar_new)libgtk.resolve("gtk_toolbar_new");

    gtk_separator_tool_item_new = (Ptr_gtk_separator_tool_item_new)libgtk.resolve("gtk_separator_tool_item_new");

    gtk_toolbar_insert = (Ptr_gtk_toolbar_insert)libgtk.resolve("gtk_toolbar_insert");

    gtk_button_new = (Ptr_gtk_button_new)libgtk.resolve("gtk_button_new");

    gtk_tool_button_new = (Ptr_gtk_tool_button_new)libgtk.resolve("gtk_tool_button_new");

    gtk_hbutton_box_new = (Ptr_gtk_hbutton_box_new)libgtk.resolve("gtk_hbutton_box_new");

    gtk_check_button_new = (Ptr_gtk_check_button_new)libgtk.resolve("gtk_check_button_new");

    gtk_radio_button_new = (Ptr_gtk_radio_button_new)libgtk.resolve("gtk_radio_button_new");

    gtk_notebook_new = (Ptr_gtk_notebook_new)libgtk.resolve("gtk_notebook_new");

    gtk_progress_bar_new = (Ptr_gtk_progress_bar_new)libgtk.resolve("gtk_progress_bar_new");

    gtk_spin_button_new = (Ptr_gtk_spin_button_new)libgtk.resolve("gtk_spin_button_new");

    gtk_hscale_new = (Ptr_gtk_hscale_new)libgtk.resolve("gtk_hscale_new");

    gtk_vscale_new = (Ptr_gtk_vscale_new)libgtk.resolve("gtk_vscale_new");

    gtk_hscrollbar_new = (Ptr_gtk_hscrollbar_new)libgtk.resolve("gtk_hscrollbar_new");

    gtk_vscrollbar_new = (Ptr_gtk_vscrollbar_new)libgtk.resolve("gtk_vscrollbar_new");

    gtk_scrolled_window_new = (Ptr_gtk_scrolled_window_new)libgtk.resolve("gtk_scrolled_window_new");

    gtk_menu_shell_append = (Ptr_gtk_menu_shell_append)libgtk.resolve("gtk_menu_shell_append");

    gtk_entry_new = (Ptr_gtk_entry_new)libgtk.resolve("gtk_entry_new");

    gtk_tree_view_new = (Ptr_gtk_tree_view_new)libgtk.resolve("gtk_tree_view_new");

    gtk_combo_box_new = (Ptr_gtk_combo_box_new)libgtk.resolve("gtk_combo_box_new");

    gtk_progress_set_adjustment = (Ptr_gtk_progress_set_adjustment)libgtk.resolve("gtk_progress_set_adjustment");

    gtk_range_set_adjustment = (Ptr_gtk_range_set_adjustment)libgtk.resolve("gtk_range_set_adjustment");

    gtk_range_set_inverted = (Ptr_gtk_range_set_inverted)libgtk.resolve("gtk_range_set_inverted");

    gtk_container_add = (Ptr_gtk_container_add)libgtk.resolve("gtk_container_add");

    gtk_icon_factory_lookup_default = (Ptr_gtk_icon_factory_lookup_default)libgtk.resolve("gtk_icon_factory_lookup_default");

    gtk_icon_theme_get_default = (Ptr_gtk_icon_theme_get_default)libgtk.resolve("gtk_icon_theme_get_default");

    gtk_widget_style_get = (Ptr_gtk_widget_style_get)libgtk.resolve("gtk_widget_style_get");

    gtk_icon_set_render_icon = (Ptr_gtk_icon_set_render_icon)libgtk.resolve("gtk_icon_set_render_icon");

    gtk_fixed_new = (Ptr_gtk_fixed_new)libgtk.resolve("gtk_fixed_new");

    gtk_tree_view_column_new = (Ptr_gtk_tree_view_column_new)libgtk.resolve("gtk_tree_view_column_new");

    gtk_tree_view_append_column= (Ptr_gtk_tree_view_append_column )libgtk.resolve("gtk_tree_view_append_column");

    gtk_tree_view_get_column = (Ptr_gtk_tree_view_get_column )libgtk.resolve("gtk_tree_view_get_column");

    gtk_paint_check = (Ptr_gtk_paint_check)libgtk.resolve("gtk_paint_check");

    gtk_paint_box = (Ptr_gtk_paint_box)libgtk.resolve("gtk_paint_box");

    gtk_paint_flat_box = (Ptr_gtk_paint_flat_box)libgtk.resolve("gtk_paint_flat_box");

    gtk_paint_check = (Ptr_gtk_paint_check)libgtk.resolve("gtk_paint_check");

    gtk_paint_box = (Ptr_gtk_paint_box)libgtk.resolve("gtk_paint_box");

    gtk_paint_resize_grip = (Ptr_gtk_paint_resize_grip)libgtk.resolve("gtk_paint_resize_grip");

    gtk_paint_focus = (Ptr_gtk_paint_focus)libgtk.resolve("gtk_paint_focus");

    gtk_paint_shadow = (Ptr_gtk_paint_shadow)libgtk.resolve("gtk_paint_shadow");

    gtk_paint_slider = (Ptr_gtk_paint_slider)libgtk.resolve("gtk_paint_slider");

    gtk_paint_expander = (Ptr_gtk_paint_expander)libgtk.resolve("gtk_paint_expander");

    gtk_paint_handle = (Ptr_gtk_paint_handle)libgtk.resolve("gtk_paint_handle");

    gtk_paint_option = (Ptr_gtk_paint_option)libgtk.resolve("gtk_paint_option");

    gtk_paint_arrow = (Ptr_gtk_paint_arrow)libgtk.resolve("gtk_paint_arrow");

    gtk_paint_box_gap = (Ptr_gtk_paint_box_gap)libgtk.resolve("gtk_paint_box_gap");

    gtk_paint_extension = (Ptr_gtk_paint_extension)libgtk.resolve("gtk_paint_extension");

    gtk_paint_hline = (Ptr_gtk_paint_hline)libgtk.resolve("gtk_paint_hline");

    gtk_paint_vline = (Ptr_gtk_paint_vline)libgtk.resolve("gtk_paint_vline");

    gtk_adjustment_new = (Ptr_gtk_adjustment_new)libgtk.resolve("gtk_adjustment_new");

    gtk_menu_item_set_submenu = (Ptr_gtk_menu_item_set_submenu)libgtk.resolve("gtk_menu_item_set_submenu");

    gtk_settings_get_default = (Ptr_gtk_settings_get_default)libgtk.resolve("gtk_settings_get_default");

    gtk_separator_menu_item_new = (Ptr_gtk_separator_menu_item_new)libgtk.resolve("gtk_separator_menu_item_new");

    gtk_frame_new = (Ptr_gtk_frame_new)libgtk.resolve("gtk_frame_new");

    gtk_expander_new = (Ptr_gtk_expander_new)libgtk.resolve("gtk_expander_new");

    gtk_statusbar_new = (Ptr_gtk_statusbar_new)libgtk.resolve("gtk_statusbar_new");

    gtk_combo_box_entry_new = (Ptr_gtk_combo_box_entry_new)libgtk.resolve("gtk_combo_box_entry_new");

    gtk_container_forall = (Ptr_gtk_container_forall)libgtk.resolve("gtk_container_forall");

    gtk_widget_size_allocate =(Ptr_gtk_widget_size_allocate)libgtk.resolve("gtk_widget_size_allocate");

    gtk_widget_size_request =(Ptr_gtk_widget_size_request)libgtk.resolve("gtk_widget_size_request");

    gtk_widget_set_direction =(Ptr_gtk_widget_set_direction)libgtk.resolve("gtk_widget_set_direction");

    gtk_widget_path =(Ptr_gtk_widget_path)libgtk.resolve("gtk_widget_path");

    gtk_container_get_type =(Ptr_gtk_container_get_type)libgtk.resolve("gtk_container_get_type");

    gtk_window_get_type =(Ptr_gtk_window_get_type)libgtk.resolve("gtk_window_get_type");

    gtk_widget_get_type =(Ptr_gtk_widget_get_type)libgtk.resolve("gtk_widget_get_type");

    gtk_rc_get_style_by_paths =(Ptr_gtk_rc_get_style_by_paths)libgtk.resolve("gtk_rc_get_style_by_paths");

    gtk_check_version =(Ptr_gtk_check_version)libgtk.resolve("gtk_check_version");

    gtk_border_free =(Ptr_gtk_border_free)libgtk.resolve("gtk_border_free");

    pango_font_description_get_size = (Ptr_pango_font_description_get_size)libgtk.resolve("pango_font_description_get_size");

    pango_font_description_get_weight = (Ptr_pango_font_description_get_weight)libgtk.resolve("pango_font_description_get_weight");

    pango_font_description_get_family = (Ptr_pango_font_description_get_family)libgtk.resolve("pango_font_description_get_family");

    pango_font_description_get_style = (Ptr_pango_font_description_get_style)libgtk.resolve("pango_font_description_get_style");

    gnome_icon_lookup_sync = (Ptr_gnome_icon_lookup_sync)QLibrary::resolve(QLS("gnomeui-2"), 0, "gnome_icon_lookup_sync");

    gnome_vfs_init= (Ptr_gnome_vfs_init)QLibrary::resolve(QLS("gnomevfs-2"), 0, "gnome_vfs_init");

}

/* \internal

 * Initializes a number of gtk menu widgets.

 * The widgets are cached.

 */

void QGtkStylePrivate::initGtkMenu() const

{

    // Create menubar

    GtkWidget *gtkMenuBar = QGtkStylePrivate::gtk_menu_bar_new();

    setupGtkWidget(gtkMenuBar);

    gtk_menu_shell_append((GtkMenuShell*)(gtkMenuBar), gtkMenuBarItem);

    gtk_widget_realize(gtkMenuBarItem);

    // Create menu

    GtkWidget *gtkMenu = QGtkStylePrivate::gtk_menu_new();

    gtk_menu_item_set_submenu((GtkMenuItem*)(gtkMenuBarItem), gtkMenu);

    gtk_widget_realize(gtkMenu);

    gtk_menu_shell_append((GtkMenuShell*)gtkMenu, gtkMenuItem);

    gtk_widget_realize(gtkMenuItem);

    gtk_menu_shell_append((GtkMenuShell*)gtkMenu, gtkCheckMenuItem);

    gtk_widget_realize(gtkCheckMenuItem);

    GtkWidget *gtkMenuSeparator = QGtkStylePrivate::gtk_separator_menu_item_new();

    gtk_menu_shell_append((GtkMenuShell*)gtkMenu, gtkMenuSeparator);

    addAllSubWidgets(gtkMenuBar);

    addAllSubWidgets(gtkMenu);

}

void QGtkStylePrivate::initGtkTreeview() const

{

    GtkWidget *gtkTreeView = gtk_tree_view_new();

    gtk_tree_view_append_column((GtkTreeView*)gtkTreeView, gtk_tree_view_column_new());

    gtk_tree_view_append_column((GtkTreeView*)gtkTreeView, gtk_tree_view_column_new());

    gtk_tree_view_append_column((GtkTreeView*)gtkTreeView, gtk_tree_view_column_new());

    addWidget(gtkTreeView);

}

/* \internal

 * Initializes a number of gtk widgets that we can later on use to determine some of our styles.

 * The widgets are cached.

 */

void QGtkStylePrivate::initGtkWidgets() const

{

    // From gtkmain.c

    uid_t ruid = getuid ();

    uid_t rgid = getgid ();

    uid_t euid = geteuid ();

    uid_t egid = getegid ();

    if (ruid != euid || rgid != egid) {

        qWarning("\nThis process is currently running setuid or setgid.\nGTK+ does not allow this "

                 "therefore Qt cannot use the GTK+ integration.\nTry launching your app using \'gksudo\', "

                 "\'kdesudo\' or a similar tool.\n\n"

                 "See http://www.gtk.org/setuid.html for more information.\n");

        return;

    }

    static QString themeName;

    if (!gtkWidgetMap()->contains(QLS("GtkWindow")) && themeName.isEmpty()) {

        themeName = getThemeName();

        if (themeName.isEmpty()) {

            qWarning("QGtkStyle was unable to detect the current GTK+ theme.");

            return;

        } else if (themeName == QLS("Qt") || themeName == QLS("Qt4")) {

            // Due to namespace conflicts with Qt3 and obvious recursion with Qt4,

            // we cannot support the GTK_Qt Gtk engine

            qWarning("QGtkStyle cannot be used together with the GTK_Qt engine.");

            return;

        }

    }

    if (QGtkStylePrivate::gtk_init) {

        // Gtk will set the Qt error handler so we have to reset it afterwards

        x11ErrorHandler qt_x_errhandler = XSetErrorHandler(0);

        QGtkStylePrivate::gtk_init (NULL, NULL);

        XSetErrorHandler(qt_x_errhandler);

        // make a window

        GtkWidget* gtkWindow = QGtkStylePrivate::gtk_window_new(GTK_WINDOW_POPUP);

        QGtkStylePrivate::gtk_widget_realize(gtkWindow);

        if (displayDepth == -1)

            displayDepth = QGtkStylePrivate::gdk_drawable_get_depth(gtkWindow->window);

        gtkWidgetMap()->insert(QLS("GtkWindow"), gtkWindow);

        // Make all other widgets. respect the text direction

        if (qApp->layoutDirection() == Qt::RightToLeft)