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_ACTIONDRAWLINEANGLE_H
28 #define RS_ACTIONDRAWLINEANGLE_H
29 
30 #include "rs_previewactioninterface.h"
31 
32 /**
33  * This action class can handle user events to draw
34  * simple lines at a gien angle.
35  *
36  * @author Andrew Mustun
37  */
38 class RS_ActionDrawLineAngle : public RS_PreviewActionInterface {
39 	Q_OBJECT
40 public:
41     /**
42      * Action States.
43      */
44     enum Status {
45         SetPos,       /**< Setting the position.  */
46 		SetAngle,     /**< Setting angle in the command line. */
47 		SetLength     /**< Setting length in the command line. */
48     };
49 
50     RS_ActionDrawLineAngle(RS_EntityContainer& container,
51                            RS_GraphicView& graphicView,
52                            double angle=0.0,
53                            bool fixedAngle=false,
54                            RS2::ActionType actionType=RS2::ActionDrawLineAngle);
55 	~RS_ActionDrawLineAngle() override;
56 
57     void reset();
58 
59 	void init(int status=0) override;
60 
61 	void trigger() override;
62 
63 	void mouseMoveEvent(QMouseEvent* e) override;
64 	void mouseReleaseEvent(QMouseEvent* e) override;
65 	void preparePreview();
66 
67 	void coordinateEvent(RS_CoordinateEvent* e) override;
68 	void commandEvent(RS_CommandEvent* e) override;
69 		QStringList getAvailableCommands() override;
70 
71 	void hideOptions() override;
72 	void showOptions() override;
73 
74 	void updateMouseButtonHints() override;
75 	void updateMouseCursor() override;
76 
77 	void setSnapPoint(int sp);
78 
79 	int getSnapPoint() const;
80 
81 	void setAngle(double a);
82 
83 	double getAngle() const;
84 
85 	void setLength(double l);
86 
87 	double getLength() const;
88 
89 	bool hasFixedAngle() const;
90 
91 protected:
92 	struct Points;
93 	std::unique_ptr<Points> pPoints;
94 };
95 
96 #endif
97 
98