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 #include <QAction>
28 #include <QMouseEvent>
29 #include "rs_actioninfoarea.h"
30
31 #include "rs_dialogfactory.h"
32 #include "rs_graphicview.h"
33 #include "rs_debug.h"
34 #include "rs_line.h"
35 #include "rs_infoarea.h"
36 #include "rs_graphic.h"
37 #include "rs_coordinateevent.h"
38 #include "rs_preview.h"
39
RS_ActionInfoArea(RS_EntityContainer & container,RS_GraphicView & graphicView)40 RS_ActionInfoArea::RS_ActionInfoArea(RS_EntityContainer& container,
41 RS_GraphicView& graphicView)
42 :RS_PreviewActionInterface("Info Area",
43 container, graphicView)
44 , ia(new RS_InfoArea{})
45 {
46 actionType=RS2::ActionInfoArea;
47 }
48
49 RS_ActionInfoArea::~RS_ActionInfoArea() = default;
50
init(int status)51 void RS_ActionInfoArea::init(int status) {
52 RS_ActionInterface::init(status);
53
54 if(status==SetFirstPoint){
55 deletePreview();
56 ia->reset();
57 }
58
59 //RS_DEBUG->print( "RS_ActionInfoArea::init: %d" ,status );
60 }
61
62
63
trigger()64 void RS_ActionInfoArea::trigger() {
65
66 RS_DEBUG->print("RS_ActionInfoArea::trigger()");
67 display();
68
69 init(SetFirstPoint);
70 }
71
72 //todo: we regenerate the whole preview, it's possible to generate needed lines only
73 /** display area circumference and preview of polygon **/
display()74 void RS_ActionInfoArea::display() {
75 deletePreview();
76 if(ia->size() < 1) {
77 return;
78 }
79 switch(ia->size()){
80 case 2:
81 preview->addEntity(new RS_Line(preview.get(), ia->at(0), ia->at(1)));
82 break;
83 default:
84 for(int i=0;i<ia->size();i++){
85 preview->addEntity(new RS_Line(preview.get(), ia->at(i), ia->at((i+1) % ia->size())));
86 }
87 QString const linear = RS_Units::formatLinear(ia->getCircumference(),
88 graphic->getUnit(),
89 graphic->getLinearFormat(),
90 graphic->getLinearPrecision());
91 RS_DIALOGFACTORY->commandMessage(tr("Circumference: %1").arg(linear));
92 RS_DIALOGFACTORY->commandMessage(tr("Area: %1 %2^2")
93 .arg(ia->getArea())
94 .arg(RS_Units::unitToString(graphic->getUnit())));
95 break;
96 }
97 drawPreview();
98 }
99
100
mouseMoveEvent(QMouseEvent * e)101 void RS_ActionInfoArea::mouseMoveEvent(QMouseEvent* e) {
102 //RS_DEBUG->print("RS_ActionInfoArea::mouseMoveEvent begin");
103
104 RS_Vector mouse = snapPoint(e);
105 if ( getStatus()==SetNextPoint) {
106 ia->push_back(mouse);
107 display();
108 ia->pop_back();
109 }
110
111 //RS_DEBUG->print("RS_ActionInfoArea::mouseMoveEvent end");
112 }
113
114
115
mouseReleaseEvent(QMouseEvent * e)116 void RS_ActionInfoArea::mouseReleaseEvent(QMouseEvent* e) {
117 if (e->button()==Qt::LeftButton) {
118 RS_CoordinateEvent ce(snapPoint(e));
119 coordinateEvent(&ce);
120 } else if (e->button()==Qt::RightButton) {
121
122 init(getStatus()-1);
123 }
124 }
125
126
127
coordinateEvent(RS_CoordinateEvent * e)128 void RS_ActionInfoArea::coordinateEvent(RS_CoordinateEvent* e) {
129 if (e==NULL) {
130 return;
131 }
132
133 RS_Vector mouse = e->getCoordinate();
134 if(ia->duplicated(mouse)) {
135 ia->push_back(mouse);
136 RS_DIALOGFACTORY->commandMessage(tr("Closing Point: %1/%2")
137 .arg(mouse.x).arg(mouse.y));
138 trigger();
139 return;
140 }
141 graphicView->moveRelativeZero(mouse);
142
143 ia->push_back(mouse);
144 RS_DIALOGFACTORY->commandMessage(tr("Point: %1/%2")
145 .arg(mouse.x).arg(mouse.y));
146 switch (getStatus()) {
147 case SetFirstPoint:
148 setStatus(SetNextPoint);
149 break;
150 case SetNextPoint:
151 display();
152 break;
153
154 default:
155 break;
156 }
157 }
158
159
updateMouseButtonHints()160 void RS_ActionInfoArea::updateMouseButtonHints() {
161 switch (getStatus()) {
162 case SetFirstPoint:
163 RS_DIALOGFACTORY->updateMouseWidget(
164 tr("Specify first point of polygon"),
165 tr("Cancel"));
166 break;
167 case SetNextPoint:
168 RS_DIALOGFACTORY->updateMouseWidget(
169 tr("Specify next point of polygon"),
170 tr("Cancel"));
171 break;
172 default:
173 RS_DIALOGFACTORY->updateMouseWidget();
174 break;
175 }
176 }
177
178
179
updateMouseCursor()180 void RS_ActionInfoArea::updateMouseCursor() {
181 graphicView->setMouseCursor(RS2::CadCursor);
182 }
183
184 // EOF
185