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diff --git a/kmail/regexplineedit.h b/kmail/regexplineedit.h
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+/*  -*- mode: C++; c-file-style: "gnu" -*-
+    regexplineedit.h
+
+    This file is part of KMail, the KDE mail client.
+    Copyright (c) 2004 Ingo Kloecker <kloecker@kde.org>
+
+    KMail is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    KMail is distributed in the hope that it will be useful, but
+    WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#ifndef __KMAIL_REGEXPLINEEDIT_H__
+#define __KMAIL_REGEXPLINEEDIT_H__
+
+#include <qobject.h>
+#include <qwidget.h>
+
+class KLineEdit;
+
+class QString;
+class QPushButton;
+class QDialog;
+
+namespace KMail {
+
+  class RegExpLineEdit : public QWidget
+  {
+    Q_OBJECT
+
+  public:
+    RegExpLineEdit( const QString &str, QWidget *parent = 0,
+                    const char *name = 0 );
+    RegExpLineEdit( QWidget *parent = 0, const char *name = 0 );
+
+    QString text() const;
+
+  public slots:
+    void clear();
+    void setText( const QString & );
+    void showEditButton( bool );
+
+  signals:
+    void textChanged( const QString & );
+
+  protected slots:
+    void slotEditRegExp();
+
+  private:
+    void initWidget( const QString & = QString::null );
+
+    KLineEdit * mLineEdit;
+    QPushButton * mRegExpEditButton;
+    QDialog * mRegExpEditDialog;
+  };
+
+} // namespace KMail
+
+#endif // __KMAIL_REGEXPLINEEDIT_H__