1 /****************************************************************************
2 **
3 ** This file is part of the LibreCAD project, a 2D CAD program
4 **
5 ** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
6 ** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
7 **
8 **
9 ** This file may be distributed and/or modified under the terms of the
10 ** GNU General Public License version 2 as published by the Free Software
11 ** Foundation and appearing in the file gpl-2.0.txt included in the
12 ** packaging of this file.
13 **
14 ** This program is distributed in the hope that it will be useful,
15 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 ** GNU General Public License for more details.
18 **
19 ** You should have received a copy of the GNU General Public License
20 ** along with this program; if not, write to the Free Software
21 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
22 **
23 ** This copyright notice MUST APPEAR in all copies of the script!
24 **
25 **********************************************************************/
26 
27 #ifndef RS_ACTIONDRAWPOLYLINE_H
28 #define RS_ACTIONDRAWPOLYLINE_H
29 
30 #include "rs_previewactioninterface.h"
31 
32 
33 /**
34  * This action class can handle user events to draw
35  * simple lines with the start- and endpoint given.
36  *
37  * @author Andrew Mustun
38 */
39 class RS_ActionDrawPolyline : public RS_PreviewActionInterface {
40 	Q_OBJECT
41 public:
42 	/**
43      * Action States.
44      */
45     enum Status {
46         SetStartpoint,   /**< Setting the startpoint.  */
47         SetNextPoint      /**< Setting the endpoint. */
48     };
49 
50 	enum SegmentMode {
51     Line=0,
52     Tangential=1,
53     TanRad=2,
54 //	TanAng,
55 //	TanRadAng,
56     Ang=3,
57 //	RadAngEndp,
58 //	RadAngCenp
59     };
60 
61 public:
62     RS_ActionDrawPolyline(RS_EntityContainer& container,
63                       RS_GraphicView& graphicView);
64 	~RS_ActionDrawPolyline() override;
65 
66     void reset();
67 
68 	void init(int status=0) override;
69 	void trigger() override;
70 
71 	void mouseMoveEvent(QMouseEvent* e) override;
72 	void mouseReleaseEvent(QMouseEvent* e) override;
73 
74 	void coordinateEvent(RS_CoordinateEvent* e) override;
75 	void commandEvent(RS_CommandEvent* e) override;
76 		QStringList getAvailableCommands() override;
77 
78 	void showOptions() override;
79 	void hideOptions() override;
80 
81 	void updateMouseButtonHints() override;
82 	void updateMouseCursor() override;
83 
84 	void close();
85 	void undo();
86 
87 	void setMode(SegmentMode m);
88 
89 	int getMode() const;
90 
91 	void setRadius(double r) ;
92 
93 	double getRadius() const;
94 
95 	void setAngle(double a);
96 
97 	double getAngle() const;
98 
99 	void setReversed( bool c);
100 
101 	bool isReversed() const;
102 
103 	double solveBulge(RS_Vector mouse);
104 
105 protected:
106     double Radius;
107     double Angle;
108     SegmentMode Mode;
109 	int m_Reversed;
110     bool calculatedSegment;
111 
112 	struct Points;
113 	std::unique_ptr<Points> pPoints;
114 };
115 
116 #endif
117