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comparison gui/src/Plot2dWidget.cpp @ 13470:f7356554594c

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Plot can be moved around with mouse and zoomed with scrollwheel.
author Jacob Dawid <jacob.dawid@googlemail.com>
date Wed, 20 Apr 2011 09:59:04 +0200
parents a20f8763105f
children 4baf5e6bba13
comparison
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13469:a20f8763105f 13470:f7356554594c
1 #include "Plot2dWidget.h" 1 #include "Plot2dWidget.h"
2 #include <QVBoxLayout> 2 #include <QVBoxLayout>
3 #include <QHBoxLayout> 3 #include <QHBoxLayout>
4 #include <QPushButton> 4 #include <QPushButton>
5 #include <QTimer>
6 #include <math.h>
5 7
6 Plot2dView::Plot2dView(QWidget *parent) 8 Plot2dView::Plot2dView(QWidget *parent)
7 : QGLWidget(parent) { 9 : QGLWidget(parent) {
8 construct(); 10 construct();
9 } 11 }
10 12
11 void Plot2dView::construct() { 13 void Plot2dView::construct() {
14 QTimer *animationTimer = new QTimer(this);
15 animationTimer->setInterval(20);
16 animationTimer->start();
17 m_zoom = 1.0;
18 m_scrollX = 0.0;
19 m_scrollY = 0.0;
20 m_leftMouseButtonDown = false;
21 connect(animationTimer, SIGNAL(timeout()), this, SLOT(animate()));
12 } 22 }
13 23
14 void Plot2dView::initializeGL() { 24 void Plot2dView::initializeGL() {
15 glClearColor(0.9, 0.9, 0.9, 0.0); 25 glClearColor(0.0,0.0, 0.0, 0.0);
16 glEnable(GL_POINT_SMOOTH); 26 glEnable(GL_POINT_SMOOTH);
17 // glEnable(GL_LINE_SMOOTH); 27 // glEnable(GL_LINE_SMOOTH);
18 glEnable(GL_POLYGON_SMOOTH); 28 glEnable(GL_POLYGON_SMOOTH);
19 glEnable(GL_BLEND); 29 glEnable(GL_BLEND);
20 glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA); 30 glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
21 } 31 }
22 32
23 void Plot2dView::paintGL() { 33 void Plot2dView::paintGL() {
34 glMatrixMode(GL_MODELVIEW_MATRIX);
35 glLoadIdentity();
36 glScaled(m_zoom, m_zoom, 0.0);
37 glTranslated(-0.5 - m_scrollX, -0.5 - m_scrollY, 0.0);
38
24 glClear(GL_COLOR_BUFFER_BIT); 39 glClear(GL_COLOR_BUFFER_BIT);
25 glBegin(GL_LINES); 40 glBegin(GL_LINES);
26 glColor3d(0.0, 0.0, 0.0); 41 glColor3d(1.0, 1.0, 1.0);
27 glVertex2d(0.1, 0.1); 42 glVertex2d(0.1, 0.1);
28 glVertex2d(0.9, 0.1); 43 glVertex2d(0.9, 0.1);
29 glVertex2d(0.1, 0.1); 44 glVertex2d(0.1, 0.1);
30 glVertex2d(0.1, 0.9); 45 glVertex2d(0.1, 0.9);
31 glEnd(); 46 glEnd();
32 47
33 glBegin(GL_POLYGON); 48 glBegin(GL_POLYGON);
34 glVertex2d(0.092, 0.9); 49 glVertex2d(0.092, 0.9);
35 glVertex2d(0.108, 0.9); 50 glVertex2d(0.108, 0.9);
36 glVertex2d(0.1, 0.93); 51 glVertex2d(0.1, 0.92);
37 glEnd(); 52 glEnd();
38 glBegin(GL_POLYGON); 53 glBegin(GL_POLYGON);
39 glVertex2d(0.9, 0.092); 54 glVertex2d(0.9, 0.092);
40 glVertex2d(0.9, 0.108); 55 glVertex2d(0.9, 0.108);
41 glVertex2d(0.93, 0.1); 56 glVertex2d(0.92, 0.1);
42 glEnd(); 57 glEnd();
43 58
44 renderText(0.8, 0.05, 0.0, "axis"); 59 renderText(0.8, 0.05, 0.0, "axis");
45 } 60 }
46 61
49 glMatrixMode(GL_MODELVIEW_MATRIX); 64 glMatrixMode(GL_MODELVIEW_MATRIX);
50 glLoadIdentity(); 65 glLoadIdentity();
51 66
52 glMatrixMode(GL_PROJECTION_MATRIX); 67 glMatrixMode(GL_PROJECTION_MATRIX);
53 glLoadIdentity(); 68 glLoadIdentity();
54 glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 100.0); 69 glOrtho(-1.0, 1.0, -1.0, 1.0, 0.0, 100.0);
55 } 70 }
56 71
57 Plot2dWidget::Plot2dWidget(QWidget *parent) : 72 void Plot2dView::wheelEvent(QWheelEvent *wheelEvent) {
58 QWidget(parent) { 73 m_zoomAcceleration += ((double)wheelEvent->delta()) / 5000;
74 wheelEvent->accept();
75 updateGL();
76 }
77
78 void Plot2dView::mousePressEvent(QMouseEvent *mouseEvent) {
79 if(mouseEvent->button() == Qt::LeftButton) {
80 m_leftMouseButtonDown = true;
81 m_lastMouseButtonDownX = mouseEvent->x();
82 m_lastMouseButtonDownY = mouseEvent->y();
83 mouseEvent->accept();
84 }
85 }
86
87 void Plot2dView::mouseReleaseEvent(QMouseEvent *mouseEvent) {
88 if(mouseEvent->button() == Qt::LeftButton) {
89 m_leftMouseButtonDown = false;
90 mouseEvent->accept();
91 }
92 }
93
94 void Plot2dView::mouseMoveEvent(QMouseEvent *mouseEvent) {
95 if(m_leftMouseButtonDown) {
96 m_scrollX -= ((double)mouseEvent->x() - m_lastMouseButtonDownX) / 100;
97 m_scrollY += ((double)mouseEvent->y() - m_lastMouseButtonDownY) / 100;
98 m_lastMouseButtonDownX = (double)mouseEvent->x();
99 m_lastMouseButtonDownY = (double)mouseEvent->y();
100 }
101 updateGL();
102 }
103
104 void Plot2dView::animate() {
105 m_zoom += m_zoomAcceleration;
106 if(m_zoom < 0)
107 m_zoom = 0;
108 m_zoomAcceleration *= 0.2;
109 if(abs(m_zoomAcceleration) < 0.01)
110 m_zoomAcceleration = 0;
111 updateGL();
112 }
113
114 Plot2dWidget::Plot2dWidget(QWidget *parent)
115 : QWidget(parent) {
59 construct(); 116 construct();
60 } 117 }
61 118
62 void Plot2dWidget::construct() { 119 void Plot2dWidget::construct() {
63 QVBoxLayout *layout = new QVBoxLayout(); 120 QVBoxLayout *layout = new QVBoxLayout();
64 m_plot2dView = new Plot2dView(this); 121 m_plot2dView = new Plot2dView(this);
65 m_plot2dView->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); 122 m_plot2dView->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
66 layout->addWidget(m_plot2dView); 123 layout->addWidget(m_plot2dView);
67 QWidget *buttonBar = new QWidget(this); 124
68 QHBoxLayout *buttonBarLayout = new QHBoxLayout(this); 125 m_tabWidget = new QTabWidget(this);
69 QPushButton *exportButton = new QPushButton(tr("Export"), this); 126 m_tabWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
70 exportButton->setEnabled(false); 127 layout->addWidget(m_tabWidget);
71 buttonBarLayout->addWidget(exportButton); 128
72 buttonBarLayout->addStretch(); 129 m_dataSourceTab = new QWidget(this);
73 buttonBarLayout->setMargin(1); 130 m_verticalAxisTab = new QWidget(this);
74 buttonBar->setLayout(buttonBarLayout); 131 m_horizontalAxisTab = new QWidget(this);
75 buttonBar->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum); 132 m_tabWidget->addTab(m_dataSourceTab, tr("Data Source"));
76 layout->addWidget(buttonBar); 133 m_tabWidget->addTab(m_verticalAxisTab, tr("Vertical Axis"));
134 m_tabWidget->addTab(m_horizontalAxisTab, tr("Horizontal Axis"));
135
136 // Build data source tab.
137 QHBoxLayout *dataSourceTabLayout = new QHBoxLayout();
138
139 m_dataSourceTypeComboBox = new QComboBox(this);
140 m_dataSourceTypeComboBox->addItem(tr("Parameterized"));
141 m_dataSourceTypeComboBox->addItem(tr("Sampled"));
142 dataSourceTabLayout->addWidget(m_dataSourceTypeComboBox);
143 dataSourceTabLayout->addStretch();
144 m_dataSourceTab->setLayout(dataSourceTabLayout);
145
77 layout->setMargin(0); 146 layout->setMargin(0);
78 setLayout(layout); 147 setLayout(layout);
148
79 } 149 }