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diff --git a/src/qalculateexpressionedit.h b/src/qalculateexpressionedit.h
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+/***************************************************************************
+ *   Copyright (C) 2005 by Niklas Knutsson                                 *
+ *   nq@altern.org                                                         *
+ *                                                                         *
+ *   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 QALCULATEEXPRESSIONEDIT_H
+#define QALCULATEEXPRESSIONEDIT_H
+
+#include <klineedit.h>
+#include <kcompletionbox.h>
+#include <kcompletion.h>
+#include <qvaluevector.h>
+
+class QStringList;
+class QPopupMenu;
+class QalculateExpressionEditCompletionBox;
+class ExpressionItem;
+class QListBoxItem;
+
+class QalculateExpressionEdit : public KLineEdit {
+
+	Q_OBJECT
+
+public:
+
+	QalculateExpressionEdit(bool connected_to_main_win, QWidget *parent = 0, const char *name = 0);
+	virtual ~QalculateExpressionEdit();
+
+	QValueVector<ExpressionItem*> matched_items;
+
+	bool b_main;
+	QStringList expression_history;
+	int expression_history_index;
+	bool dont_change_index;
+	QalculateExpressionEditCompletionBox *qalculateCompletionBox;
+	KCompletion *qalculateCompletion;
+
+	virtual bool eventFilter(QObject *o, QEvent *ev);
+	void keyPressEvent(QKeyEvent *e);
+
+public slots:
+
+	void onTextChanged(const QString&);
+	void addToHistory(const QString&);
+	void wrapSelection();
+	void makeCompletion(const QString&);
+	void insertCompletion(QListBoxItem *li);
+	void updateCompletion();
+	void setAfterCompletionPosition();
+	void cancelCompletion(const QString &str);
+	void setCompletedItems();
+	void enableCompletion();
+	void disableCompletion();
+	bool completionEnabled() const;
+	
+signals:
+
+	void cursorMoved();
+
+protected:
+	
+	virtual QPopupMenu *createPopupMenu();
+	virtual void timerEvent(QTimerEvent*);
+	int cstart, cend, cpos_ac, prev_position, pos_timer;
+	QString completed_text;
+	int pos_before_completion;
+
+};
+
+class QalculateExpressionEditCompletionBox : public KCompletionBox {
+
+	Q_OBJECT
+
+public:
+
+	QalculateExpressionEditCompletionBox(QWidget *parent, const char *name = 0);
+	virtual ~QalculateExpressionEditCompletionBox();
+	void insertItemList(const QValueVector<ExpressionItem*>& list, int index = -1);
+
+public slots:
+
+	void setItems(const QValueVector<ExpressionItem*>& items);
+	
+protected:
+
+	void hideEvent(QHideEvent*);
+	
+signals:
+
+	void hidden();
+    
+};
+
+
+#endif