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diff --git a/src/fieldlineedit.h b/src/fieldlineedit.h
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+++ b/src/fieldlineedit.h
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+/***************************************************************************
+*   Copyright (C) 2004-2006 by Thomas Fischer                             *
+*   [email protected]                                             *
+*                                                                         *
+*   This program 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.                                   *
+*                                                                         *
+*   This program 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.,                                       *
+*   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+***************************************************************************/
+#ifndef KBIBTEXFIELDLINEEDIT_H
+#define KBIBTEXFIELDLINEEDIT_H
+
+#include <qwidget.h>
+
+#include <entryfield.h>
+#include <value.h>
+
+class KLineEdit;
+class QTextEdit;
+class QPushButton;
+class KCompletion;
+
+namespace KBibTeX
+{
+    class FieldLineEdit : public QWidget
+    {
+        Q_OBJECT
+    public:
+        enum InputType {itSingleLine, itMultiLine};
+        enum ErrorType {etNoError, etInvalidStringKey};
+
+        FieldLineEdit( const QString& caption, InputType inputType = itSingleLine, bool readOnly = FALSE, QWidget *parent = 0, const char *name = 0 );
+        ~FieldLineEdit();
+
+        /**
+         * Set the widget to use this value. The widget will make
+         * a deep copy internally and not modify the parameter.
+         * If NULL is passed to this function, the widget will be
+         * initialized with an empty BibTeXValue internally.
+         */
+        void setValue( const BibTeX::Value *value );
+
+        /**
+         * Return the BibTeXValue of this widget. The returned
+         * variable is a deep copy of the widget's internal state.
+         * The returned variable must be delete later by the
+         * function caller.
+         * The function will return NULL if no data is set by the
+         * user for this widget.
+         */
+        BibTeX::Value *value();
+
+        void setEnabled( bool enabled );
+
+        void setFieldType( BibTeX::EntryField::FieldType fieldType );
+
+        QString caption();
+
+        bool isEmpty();
+
+        bool isModified();
+
+        ErrorType error();
+
+    signals:
+        void textChanged( );
+
+    protected slots:
+        void updateGUI();
+
+    private slots:
+        void slotTextChanged();
+        void slotStringToggled();
+        void slotComplexClicked();
+
+    private:
+        BibTeX::Value *m_value;
+        QString m_caption;
+        KLineEdit *m_lineEdit;
+        QTextEdit *m_textEdit;
+        QPushButton *m_pushButtonString;
+        QPushButton *m_pushButtonComplex;
+        bool m_isReadOnly;
+        bool m_enabled;
+        InputType m_inputType;
+        bool m_isModified;
+        BibTeX::EntryField::FieldType m_fieldType;
+        KCompletion *m_completion;
+
+        void setupGUI( const char *name );
+        void enableSignals( bool enabled );
+    };
+
+}
+
+#endif