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actions/rs_actiondrawarc.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 RS_ACTIONDRAWARC_H
+#define RS_ACTIONDRAWARC_H
+
+#include "rs_previewactioninterface.h"
+
+struct RS_ArcData;
+
+/**
+ * This action class can handle user events to draw 
+ * simple arcs with the center, radius, start- and endangle given.
+ *
+ * @author Andrew Mustun
+ */
+class RS_ActionDrawArc : public RS_PreviewActionInterface {
+	Q_OBJECT
+public:
+    /**
+     * Action States.
+     */
+    enum Status {
+        SetCenter,       /**< Setting the center point. */
+        SetRadius,       /**< Setting the radius. */
+        SetAngle1,       /**< Setting the startpoint.  */
+        SetAngle2,       /**< Setting the endpoint. */
+		SetIncAngle,     /**< Setting the included angle. */
+		SetChordLength   /**< Setting carc chord length. */
+    };
+
+public:
+    RS_ActionDrawArc(RS_EntityContainer& container,
+                     RS_GraphicView& graphicView);
+	~RS_ActionDrawArc() override;
+	
+    void reset();
+
+	void init(int status=0) override;
+	void trigger() override;
+	
+	void mouseMoveEvent(QMouseEvent* e) override;
+	void mouseReleaseEvent(QMouseEvent* e) override;
+
+	void coordinateEvent(RS_CoordinateEvent* e) override;
+	void commandEvent(RS_CommandEvent* e) override;
+	QStringList getAvailableCommands() override;
+	
+	void hideOptions() override;
+	void showOptions() override;
+	
+	void updateMouseButtonHints() override;
+	void updateMouseCursor() override;
+
+	bool isReversed() const;
+
+	void setReversed(bool r) const;
+
+protected:
+    /**
+     * Arc data defined so far.
+     */
+	std::unique_ptr<RS_ArcData> data;
+	/**
+	 * Commands
+	 */
+        /*QString cmdReversed;
+        QString cmdReversed2;
+        QString cmdReversed3;
+	*/
+};
+
+#endif