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diff --git a/src/widgets/util/qsystemtrayicon_p.h b/src/widgets/util/qsystemtrayicon_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSYSTEMTRAYICON_P_H
+#define QSYSTEMTRAYICON_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of a number of Qt sources files.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qsystemtrayicon.h"
+#include "private/qobject_p.h"
+
+#ifndef QT_NO_SYSTEMTRAYICON
+
+#include "QtGui/qmenu.h"
+#include "QtGui/qpixmap.h"
+#include "QtCore/qstring.h"
+#include "QtCore/qpointer.h"
+
+QT_BEGIN_NAMESPACE
+
+class QSystemTrayIconSys;
+class QToolButton;
+class QLabel;
+
+class QSystemTrayIconPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QSystemTrayIcon)
+
+public:
+    QSystemTrayIconPrivate() : sys(0), visible(false) { }
+
+    void install_sys();
+    void remove_sys();
+    void updateIcon_sys();
+    void updateToolTip_sys();
+    void updateMenu_sys();
+    QRect geometry_sys() const;
+    void showMessage_sys(const QString &msg, const QString &title, QSystemTrayIcon::MessageIcon icon, int secs);
+
+    static bool isSystemTrayAvailable_sys();
+    static bool supportsMessages_sys();
+
+    QPointer<QMenu> menu;
+    QIcon icon;
+    QString toolTip;
+    QSystemTrayIconSys *sys;
+    bool visible;
+};
+
+class QBalloonTip : public QWidget
+{
+    Q_OBJECT
+public:
+    static void showBalloon(QSystemTrayIcon::MessageIcon icon, const QString& title,
+                            const QString& msg, QSystemTrayIcon *trayIcon,
+                            const QPoint& pos, int timeout, bool showArrow = true);
+    static void hideBalloon();
+    static bool isBalloonVisible();
+
+private:
+    QBalloonTip(QSystemTrayIcon::MessageIcon icon, const QString& title,
+                const QString& msg, QSystemTrayIcon *trayIcon);
+    ~QBalloonTip();
+    void balloon(const QPoint&, int, bool);
+
+protected:
+    void paintEvent(QPaintEvent *);
+    void resizeEvent(QResizeEvent *);
+    void mousePressEvent(QMouseEvent *e);
+    void timerEvent(QTimerEvent *e);
+
+private:
+    QSystemTrayIcon *trayIcon;
+    QPixmap pixmap;
+    int timerId;
+};
+
+#if defined(Q_WS_X11)
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <QtCore/qcoreapplication.h>
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <X11/Xutil.h>
+QT_END_INCLUDE_NAMESPACE
+
+class QSystemTrayIconSys : public QWidget
+{
+    friend class QSystemTrayIconPrivate;
+
+public:
+    QSystemTrayIconSys(QSystemTrayIcon *q);
+    ~QSystemTrayIconSys();
+    enum {
+        SYSTEM_TRAY_REQUEST_DOCK = 0,
+        SYSTEM_TRAY_BEGIN_MESSAGE = 1,
+        SYSTEM_TRAY_CANCEL_MESSAGE =2
+    };
+
+    void addToTray();
+    void updateIcon();
+    XVisualInfo* getSysTrayVisualInfo();
+
+    // QObject::event is public but QWidget's ::event() re-implementation
+    // is protected ;(
+    inline bool deliverToolTipEvent(QEvent *e)
+    { return QWidget::event(e); }
+
+    static Window sysTrayWindow;
+    static QList<QSystemTrayIconSys *> trayIcons;
+    static QCoreApplication::EventFilter oldEventFilter;
+    static bool sysTrayTracker(void *message, long *result);
+    static Window locateSystemTray();
+    static Atom sysTraySelection;
+    static XVisualInfo sysTrayVisual;
+
+protected:
+    void paintEvent(QPaintEvent *pe);
+    void resizeEvent(QResizeEvent *re);
+    bool x11Event(XEvent *event);
+    void mousePressEvent(QMouseEvent *event);
+    void mouseDoubleClickEvent(QMouseEvent *event);
+#ifndef QT_NO_WHEELEVENT
+    void wheelEvent(QWheelEvent *event);
+#endif
+    bool event(QEvent *e);
+
+private:
+    QPixmap background;
+    QSystemTrayIcon *q;
+    Colormap colormap;
+};
+#endif // Q_WS_X11
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SYSTEMTRAYICON
+
+#endif // QSYSTEMTRAYICON_P_H
+