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_ACTIONDRAWCIRCLECR_H
28 #define RS_ACTIONDRAWCIRCLECR_H
29 
30 #include "rs_previewactioninterface.h"
31 
32 struct RS_CircleData;
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_ActionDrawCircleCR : 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 radius in command line. */
49     };
50 
51 public:
52     RS_ActionDrawCircleCR(RS_EntityContainer& container,
53                           RS_GraphicView& graphicView);
54 	~RS_ActionDrawCircleCR() override;
55 
56     void reset();
57 
58 	void init(int status=0) override;
59 
60 	void trigger() override;
61 
62 	void mouseMoveEvent(QMouseEvent* e) override;
63 	void mouseReleaseEvent(QMouseEvent* e) override;
64 
65 	void coordinateEvent(RS_CoordinateEvent* e) override;
66 	void commandEvent(RS_CommandEvent* e) override;
67 	QStringList getAvailableCommands() override;
68 
69 	void hideOptions() override;
70 	void showOptions() override;
71 
72 	void updateMouseButtonHints() override;
73 	void updateMouseCursor() override;
74 
75 	double getRadius() const;
76 
77     void setRadius(double r);
78 
79 protected:
80     /**
81      * Circle data defined so far.
82      */
83 	std::unique_ptr<RS_CircleData> data;
84 
85 };
86 
87 #endif
88