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actions/lc_actiondrawsplinepoints.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) 2014 Dongxu Li (dongxuli2011@gmail.com)
+** Copyright (C) 2014 Pavel Krejcir (pavel@pamsoft.cz)
+
+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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+**********************************************************************/
+
+#ifndef LC_ACTIONDRAWSPLINEPOINTS_H
+#define LC_ACTIONDRAWSPLINEPOINTS_H
+
+#include "rs_previewactioninterface.h"
+#include "rs_actiondrawspline.h"
+
+/**
+ * This action class can handle user events to draw splines through points.
+ *
+ * @author Pavel Krejcir
+ */
+class LC_ActionDrawSplinePoints : public RS_ActionDrawSpline
+{
+	Q_OBJECT
+public:
+	/**
+	* Action States.
+	*/
+	enum Status
+	{
+		SetStartPoint,   /**< Setting the startpoint.  */
+		SetNextPoint      /**< Setting the next point. */
+	};
+
+    LC_ActionDrawSplinePoints(RS_EntityContainer& container,
+		RS_GraphicView& graphicView);
+	~LC_ActionDrawSplinePoints() 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 showOptions() override;
+	void hideOptions() override;
+
+	void updateMouseButtonHints() override;
+	void updateMouseCursor() override;
+
+	void setClosed(bool c) override;
+	bool isClosed() override;
+	void undo() override;
+    //using degree=2 only
+	void setDegree(int /*deg*/) override{}
+
+private:
+	void redo();
+
+	struct Points;
+	std::unique_ptr<Points> pPoints;
+
+};
+
+#endif
+