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diff --git a/src/designer/src/components/signalsloteditor/signalsloteditor_p.h b/src/designer/src/components/signalsloteditor/signalsloteditor_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 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SIGNALSLOTEDITOR_P_H
+#define SIGNALSLOTEDITOR_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/QString>
+#include <QtCore/QStringList>
+#include <QtCore/QList>
+#include <QtCore/QPointer>
+#include <QtCore/QAbstractItemModel>
+
+#include <connectionedit_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDesignerFormWindowInterface;
+class QDesignerFormEditorInterface;
+class DomConnection;
+
+namespace qdesigner_internal {
+
+class SignalSlotEditor;
+
+class SignalSlotConnection : public Connection
+{
+public:
+    explicit SignalSlotConnection(ConnectionEdit *edit, QWidget *source = 0, QWidget *target = 0);
+
+    void setSignal(const QString &signal);
+    void setSlot(const QString &slot);
+
+    QString sender() const;
+    QString receiver() const;
+    inline QString signal() const { return m_signal; }
+    inline QString slot() const { return m_slot; }
+
+    DomConnection *toUi() const;
+
+    virtual void updateVisibility();
+
+    enum State { Valid, ObjectDeleted, InvalidMethod, NotAncestor };
+    State isValid(const QWidget *background) const;
+
+    // format for messages, etc.
+    QString toString() const;
+
+private:
+    QString m_signal, m_slot;
+};
+
+class ConnectionModel : public QAbstractItemModel
+{
+    Q_OBJECT
+public:
+    explicit ConnectionModel(QObject *parent = 0);
+    void setEditor(SignalSlotEditor *editor = 0);
+
+    virtual QModelIndex index(int row, int column,
+                              const QModelIndex &parent = QModelIndex()) const;
+    virtual QModelIndex parent(const QModelIndex &child) const;
+    virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;
+    virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    virtual bool setData(const QModelIndex &index, const QVariant &data, int role = Qt::DisplayRole);
+    virtual Qt::ItemFlags flags(const QModelIndex &index) const;
+    virtual QVariant headerData(int section, Qt::Orientation orientation,
+                                int role = Qt::DisplayRole) const;
+
+    QModelIndex connectionToIndex(Connection *con) const;
+    Connection *indexToConnection(const QModelIndex &index) const;
+    void updateAll();
+
+private slots:
+    void connectionAdded(Connection *con);
+    void connectionRemoved(int idx);
+    void aboutToRemoveConnection(Connection *con);
+    void aboutToAddConnection(int idx);
+    void connectionChanged(Connection *con);
+
+private:
+    QPointer<SignalSlotEditor> m_editor;
+};
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // SIGNALSLOTEDITOR_P_H