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actions/rs_actiondrawlineangle.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_ACTIONDRAWLINEANGLE_H
+#define RS_ACTIONDRAWLINEANGLE_H
+
+#include "rs_previewactioninterface.h"
+
+/**
+ * This action class can handle user events to draw 
+ * simple lines at a gien angle.
+ *
+ * @author Andrew Mustun
+ */
+class RS_ActionDrawLineAngle : public RS_PreviewActionInterface {
+	Q_OBJECT
+public:
+    /**
+     * Action States.
+     */
+    enum Status {
+        SetPos,       /**< Setting the position.  */
+		SetAngle,     /**< Setting angle in the command line. */
+		SetLength     /**< Setting length in the command line. */
+    };
+	
+    RS_ActionDrawLineAngle(RS_EntityContainer& container,
+                           RS_GraphicView& graphicView,
+                           double angle=0.0,
+                           bool fixedAngle=false,
+                           RS2::ActionType actionType=RS2::ActionDrawLineAngle);
+	~RS_ActionDrawLineAngle() override;
+
+    void reset();
+
+	void init(int status=0) override;
+	
+	void trigger() override;
+
+	void mouseMoveEvent(QMouseEvent* e) override;
+	void mouseReleaseEvent(QMouseEvent* e) override;
+	void preparePreview();
+	
+	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;
+
+	void setSnapPoint(int sp);
+
+	int getSnapPoint() const;
+
+	void setAngle(double a);
+
+	double getAngle() const;
+
+	void setLength(double l);
+
+	double getLength() const;
+
+	bool hasFixedAngle() const;
+
+protected:
+	struct Points;
+	std::unique_ptr<Points> pPoints;
+};
+
+#endif
+