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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 Qt Designer 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of Qt Designer.  This header
+// file may change from version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef QDESIGNER_TOOLBAR_H
+#define QDESIGNER_TOOLBAR_H
+
+#include "shared_global_p.h"
+
+#include <QtGui/QAction>
+#include <QtGui/QToolButton>
+
+#include <QtCore/QList>
+#include <QtCore/QPoint>
+
+QT_BEGIN_NAMESPACE
+
+class QDesignerFormWindowInterface;
+class QToolBar;
+class QRect;
+class QAction;
+
+namespace qdesigner_internal {
+
+class PromotionTaskMenu;
+
+// Special event filter for  tool bars in designer.
+// Handles drag and drop to and from. Ensures that each
+// child widget is  WA_TransparentForMouseEvents to enable  drag and drop.
+
+class QDESIGNER_SHARED_EXPORT ToolBarEventFilter : public QObject {
+    Q_OBJECT
+
+public:
+    static void install(QToolBar *tb);
+
+    // Find action by position. Note that QToolBar::actionAt() will
+    // not work as designer sets WA_TransparentForMouseEvents on its tool bar buttons
+    // to be able to drag them. This function will return the dummy
+    // sentinel action when applied to tool bars created by designer if the position matches.
+    static QAction *actionAt(const QToolBar *tb, const QPoint &pos);
+
+    static bool withinHandleArea(const QToolBar *tb, const QPoint &pos);
+    static QRect handleArea(const QToolBar *tb);
+    static QRect freeArea(const QToolBar *tb);
+
+    // Utility to create an action
+    static QAction *createAction(QDesignerFormWindowInterface *fw, const QString &objectName, bool separator);
+
+    virtual bool eventFilter (QObject *watched, QEvent *event);
+
+    // Helper for task menu extension
+    QList<QAction *> contextMenuActions(const QPoint &globalPos = QPoint(-1, -1));
+
+    static ToolBarEventFilter *eventFilterOf(const QToolBar *tb);
+
+private slots:
+    void slotRemoveSelectedAction();
+    void slotRemoveToolBar();
+    void slotInsertSeparator();
+
+private:
+    explicit ToolBarEventFilter(QToolBar *tb);
+
+    bool handleContextMenuEvent(QContextMenuEvent * event);
+    bool handleDragEnterMoveEvent(QDragMoveEvent *event);
+    bool handleDragLeaveEvent(QDragLeaveEvent *);
+    bool handleDropEvent(QDropEvent *event);
+    bool handleMousePressEvent(QMouseEvent *event);
+    bool handleMouseReleaseEvent(QMouseEvent *event);
+    bool handleMouseMoveEvent(QMouseEvent *event);
+
+    QDesignerFormWindowInterface *formWindow() const;
+    void adjustDragIndicator(const QPoint &pos);
+    void hideDragIndicator();
+    void startDrag(const QPoint &pos, Qt::KeyboardModifiers modifiers);
+    bool withinHandleArea(const QPoint &pos) const;
+
+    QToolBar *m_toolBar;
+    PromotionTaskMenu *m_promotionTaskMenu;
+    QPoint m_startPosition;
+};
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // QDESIGNER_TOOLBAR_H