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_ACTIONDRAWARC_H
28 #define RS_ACTIONDRAWARC_H
29 
30 #include "rs_previewactioninterface.h"
31 
32 struct RS_ArcData;
33 
34 /**
35  * This action class can handle user events to draw
36  * simple arcs with the center, radius, start- and endangle given.
37  *
38  * @author Andrew Mustun
39  */
40 class RS_ActionDrawArc : public RS_PreviewActionInterface {
41 	Q_OBJECT
42 public:
43     /**
44      * Action States.
45      */
46     enum Status {
47         SetCenter,       /**< Setting the center point. */
48         SetRadius,       /**< Setting the radius. */
49         SetAngle1,       /**< Setting the startpoint.  */
50         SetAngle2,       /**< Setting the endpoint. */
51 		SetIncAngle,     /**< Setting the included angle. */
52 		SetChordLength   /**< Setting carc chord length. */
53     };
54 
55 public:
56     RS_ActionDrawArc(RS_EntityContainer& container,
57                      RS_GraphicView& graphicView);
58 	~RS_ActionDrawArc() override;
59 
60     void reset();
61 
62 	void init(int status=0) override;
63 	void trigger() override;
64 
65 	void mouseMoveEvent(QMouseEvent* e) override;
66 	void mouseReleaseEvent(QMouseEvent* e) override;
67 
68 	void coordinateEvent(RS_CoordinateEvent* e) override;
69 	void commandEvent(RS_CommandEvent* e) override;
70 	QStringList getAvailableCommands() override;
71 
72 	void hideOptions() override;
73 	void showOptions() override;
74 
75 	void updateMouseButtonHints() override;
76 	void updateMouseCursor() override;
77 
78 	bool isReversed() const;
79 
80 	void setReversed(bool r) const;
81 
82 protected:
83     /**
84      * Arc data defined so far.
85      */
86 	std::unique_ptr<RS_ArcData> data;
87 	/**
88 	 * Commands
89 	 */
90         /*QString cmdReversed;
91         QString cmdReversed2;
92         QString cmdReversed3;
93 	*/
94 };
95 
96 #endif
97