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ui/qg_commandedit.h

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+/****************************************************************************
+**
+** This file is part of the LibreCAD project, a 2D CAD program
+**
+** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
+** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software 
+** Foundation and appearing in the file gpl-2.0.txt included in the
+** packaging of this file.
+**
+** 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+**
+** This copyright notice MUST APPEAR in all copies of the script!  
+**
+**********************************************************************/
+
+#ifndef QG_COMMANDEDIT_H
+#define QG_COMMANDEDIT_H
+
+#include <QLineEdit>
+#include <QString>
+#include <QMap>
+
+/**
+ * A command line edit with some typical console features 
+ * (uparrow for the history, tab, ..).
+ */
+class QG_CommandEdit: public QLineEdit {
+    Q_OBJECT
+
+public:
+    QG_CommandEdit(QWidget* parent=0);
+    virtual ~QG_CommandEdit()=default;
+
+    void readCommandFile(const QString& path);
+
+    bool keycode_mode;
+
+protected:
+	virtual bool event(QEvent* e);
+	virtual void keyPressEvent(QKeyEvent* e);
+	virtual void focusInEvent(QFocusEvent *e);
+	virtual void focusOutEvent(QFocusEvent *e);
+    void evaluateExpression(QString input);
+
+    QString relative_ray;
+    QMap<QString, QString> variables;
+
+    void processInput(QString input);
+    bool isForeignCommand(QString input);
+    void processVariable(QString input);
+
+signals:
+	void tabPressed();
+	void escape();
+	void focusIn();
+	void focusOut();
+    void clearCommandsHistory();
+    void command(QString cmd);
+    void message(QString msg);
+    void keycode(QString code);
+
+private:
+	QStringList historyList;
+	QStringList::Iterator it;
+	bool acceptCoordinates;
+    bool calculator_mode;
+
+public slots:
+    void modifiedPaste();
+};
+
+#endif
+