1 /*************************************************************************************
2 * Copyright (C) 2010-2012 by Percy Camilo T. Aucahuasi <percy.camilo.ta@gmail.com> *
3 * Copyright (C) 2007 by Abderrahman Taha: Basic OpenGL calls like scene, lights *
4 * and mouse behaviour taken from K3DSurf *
5 * *
6 * This program is free software; you can redistribute it and/or *
7 * modify it under the terms of the GNU General Public License *
8 * as published by the Free Software Foundation; either version 2 *
9 * of the License, or (at your option) any later version. *
10 * *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the Free Software *
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA *
19 *************************************************************************************/
20
21 #include "plotsview3d_es.h"
22 #include <analitzaplot/plotsmodel.h>
23 #include <analitzaplot/surface.h>
24 #include <analitzaplot/spacecurve.h>
25 #include <QVector3D>
26 #include <QItemSelectionModel>
27 #include <QVector>
28 #include <QDebug>
29
30 using namespace Analitza;
31
PlotsView3DES(QWidget * parent)32 PlotsView3DES::PlotsView3DES(QWidget *parent)
33 : QOpenGLWidget(parent), m_selection(nullptr), old_x(-1), old_y(-1)
34 {
35 setFocusPolicy(Qt::ClickFocus);
36 }
37
~PlotsView3DES()38 PlotsView3DES::~PlotsView3DES()
39 {}
40
setSelectionModel(QItemSelectionModel * selection)41 void PlotsView3DES::setSelectionModel(QItemSelectionModel* selection)
42 {
43 Q_ASSERT(selection);
44
45 m_selection = selection;
46 // connect(m_selection,SIGNAL(currentChanged(QModelIndex,QModelIndex)), SLOT(forceRepaint()));
47 }
48
addFuncs(const QModelIndex & parent,int start,int end)49 void PlotsView3DES::addFuncs(const QModelIndex & parent, int start, int end)
50 {
51 updatePlots(parent, start, end);
52 }
53
removeFuncs(const QModelIndex & parent,int start,int end)54 void PlotsView3DES::removeFuncs(const QModelIndex & parent, int start, int end)
55 {
56 updatePlots(parent, start, end);
57 }
58
59 //NOTE
60 //si hay un cambio aki es desetvisible (que no es necesario configurar en el plotitem) o es del
61 //setinterval (que si es necesario configurarlo en el plotitem)
62 //el enfoque es: si hay un cambio borro el displaylist y lo genero de nuevo (no lo genero si el item no es visible)
63 //TODO cache para exp e interval ... pues del resto es solo cuestion de update
updateFuncs(const QModelIndex & start,const QModelIndex & end)64 void PlotsView3DES::updateFuncs(const QModelIndex& start, const QModelIndex& end)
65 {
66 updatePlots(QModelIndex(), start.row(), end.row());
67 }
68
paintGL()69 void PlotsView3DES::paintGL()
70 {
71 drawPlots();
72 }
73
initializeGL()74 void PlotsView3DES::initializeGL()
75 {
76 initGL();
77 }
78
resizeGL(int newwidth,int newheight)79 void PlotsView3DES::resizeGL(int newwidth, int newheight)
80 {
81 setViewport(QRectF(0,0,newwidth,newheight));
82 }
83
mousePressEvent(QMouseEvent * e)84 void PlotsView3DES::mousePressEvent(QMouseEvent *e)
85 {
86 buttons = e->buttons();
87
88 old_y = e->y();
89 old_x = e->x();
90 CartesianAxis axis = selectAxisArrow(e->x(), e->y());
91 showAxisArrowHint(axis);
92
93 if (isRotationFixed() && axis != InvalidAxis) {
94 fixRotation(QVector3D());
95 hideAxisHint();
96 } else switch (axis)
97 {
98 case XAxis:
99 fixRotation(QVector3D(1,0,0));
100 break;
101 case YAxis:
102 fixRotation(QVector3D(0,1,0));
103 break;
104 case ZAxis:
105 fixRotation(QVector3D(0,0,1));
106 break;
107 case InvalidAxis:
108 break;
109 }
110
111 }
112
modelChanged()113 void PlotsView3DES::modelChanged()
114 {
115 // if (model()) {
116 // disconnect(model(), &QAbstractItemModel::dataChanged, this, &PlotsView3DES::updateFuncs);
117 // disconnect(model(), &QAbstractItemModel::rowsInserted, this, &PlotsView3DES::addFuncs);
118 // disconnect(model(), &QAbstractItemModel::rowsRemoved, this, &PlotsView3DES::removeFuncs);
119 // }
120
121 addFuncs({}, 0, model()->rowCount());
122
123 connect(model(), &QAbstractItemModel::dataChanged, this, &PlotsView3DES::updateFuncs);
124 connect(model(), &QAbstractItemModel::rowsInserted, this, &PlotsView3DES::addFuncs);
125 connect(model(), &QAbstractItemModel::rowsRemoved, this, &PlotsView3DES::removeFuncs);
126
127 update();
128 }
129
renderGL()130 void PlotsView3DES::renderGL()
131 {
132 update();
133 }
134
wheelEvent(QWheelEvent * ev)135 void PlotsView3DES::wheelEvent(QWheelEvent* ev)
136 {
137 scale(1.f-ev->angleDelta().y()/1000.f);
138 }
139
mouseMoveEvent(QMouseEvent * e)140 void PlotsView3DES::mouseMoveEvent(QMouseEvent *e)
141 {
142 //TODO translate with middle btn
143 // Rotational function :
144 if(buttons & Qt::LeftButton)
145 rotate(old_x - e->x(), old_y - e->y());
146
147 old_y = e->y();
148 old_x = e->x();
149 }
150
keyPressEvent(QKeyEvent * ev)151 void PlotsView3DES::keyPressEvent(QKeyEvent* ev)
152 {
153 switch(ev->key()) {
154 case Qt::Key_S:
155 scale(1.1);
156 break;
157 case Qt::Key_W:
158 scale(0.9);
159 break;
160 case Qt::Key_Left:
161 rotate(-10, 0);
162 break;
163 case Qt::Key_Right:
164 rotate(10, 0);
165 break;
166 case Qt::Key_Up:
167 rotate(0, -10);
168 break;
169 case Qt::Key_Down:
170 rotate(0, 10);
171 break;
172 }
173 }
174
grabImage()175 QImage PlotsView3DES::grabImage()
176 {
177 return grabFramebuffer();
178 }
179