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_ACTIONDRAWLINEBISECTOR_H
28 #define RS_ACTIONDRAWLINEBISECTOR_H
29 
30 #include "rs_previewactioninterface.h"
31 
32 class RS_Line;
33 
34 /**
35  * This action class can handle user events to draw bisectors.
36  *
37  * @author Andrew Mustun
38  */
39 class RS_ActionDrawLineBisector : public RS_PreviewActionInterface {
40 	Q_OBJECT
41 private:
42     enum Status {
43         SetLine1,     /**< Choose the 1st line. */
44         SetLine2,     /**< Choose the 2nd line. */
45 		SetLength,    /**< Set length in command line. */
46 		SetNumber     /**< Set number in command line. */
47     };
48 
49 public:
50     RS_ActionDrawLineBisector(RS_EntityContainer& container,
51                               RS_GraphicView& graphicView);
52 	~RS_ActionDrawLineBisector() override;
53 
54 	void init(int status=0) override;
55 
56 	void trigger() override;
57 	void mouseMoveEvent(QMouseEvent* e) override;
58 	void mouseReleaseEvent(QMouseEvent* e) override;
59 
60 	void commandEvent(RS_CommandEvent* e) override;
61 		QStringList getAvailableCommands() override;
62 
63 	void hideOptions() override;
64 	void showOptions() override;
65 
66 	void updateMouseButtonHints() override;
67 	void updateMouseCursor() override;
68 
69 	void setLength(double l);
70 
71 	double getLength() const;
72 
73 	void setNumber(int n);
74 
75 	int getNumber() const;
76 
77 private:
78     /** Closest bisector. */
79     RS_Line* bisector;
80     /** First chosen entity */
81     RS_Line* line1;
82     /** Second chosen entity */
83     RS_Line* line2;
84     /** Length of the bisector. */
85     double length;
86 	/** Number of bisectors to create. */
87 	int number;
88 	struct Points;
89 	std::unique_ptr<Points> pPoints;
90 	/** Last status before entering length or number. */
91 	Status lastStatus;
92 };
93 
94 #endif
95