qvolray

annotate src/ui.cc @ 13:17d9dc2edc91

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first qt version
author John Tsiombikas <nuclear@member.fsf.org>
date Tue, 10 Apr 2012 06:11:16 +0300
parents
children 88312413467c
rev   line source
nuclear@13 1 #include <stdio.h>
nuclear@13 2 #include <stdlib.h>
nuclear@13 3 #include <QtGui>
nuclear@13 4 #include "ui.h"
nuclear@13 5
nuclear@13 6 static GLView *glview;
nuclear@13 7 static Volume *volume;
nuclear@13 8
nuclear@13 9 MainWindow::MainWindow()
nuclear@13 10 {
nuclear@13 11 setWindowTitle("Volume Renderer");
nuclear@13 12
nuclear@13 13 // OpenGL view
nuclear@13 14 glview = new GLView;
nuclear@13 15 setCentralWidget(glview);
nuclear@13 16
nuclear@13 17 // actions
nuclear@13 18 QAction *act_open = new QAction(qApp->style()->standardIcon(QStyle::SP_DialogOpenButton), "&Open...", this);
nuclear@13 19 act_open->setStatusTip("Open a volume dataset");
nuclear@13 20 QObject::connect(act_open, SIGNAL(triggered()), this, SLOT(open_volume()));
nuclear@13 21
nuclear@13 22 QAction *act_quit = new QAction("&Quit", this);
nuclear@13 23 act_quit->setStatusTip("Quit");
nuclear@13 24 QObject::connect(act_quit, SIGNAL(triggered()), this, SLOT(close()));
nuclear@13 25
nuclear@13 26 // menus
nuclear@13 27 QMenu *mfile = menuBar()->addMenu("&File");
nuclear@13 28 mfile->addAction(act_open);
nuclear@13 29 mfile->addAction(act_quit);
nuclear@13 30
nuclear@13 31 // toolbars
nuclear@13 32 QToolBar *tfile = addToolBar("&File");
nuclear@13 33 tfile->addAction(act_open);
nuclear@13 34
nuclear@13 35 statusBar();
nuclear@13 36 show();
nuclear@13 37 }
nuclear@13 38
nuclear@13 39 void MainWindow::open_volume()
nuclear@13 40 {
nuclear@13 41 QString fname = QFileDialog::getOpenFileName(this, "Open volume dataset", QString(), "Volume descriptors (*.vol)");
nuclear@13 42 if(!fname.isNull()) {
nuclear@13 43 Volume *vol = new Volume;
nuclear@13 44
nuclear@13 45 if(vol->load(qPrintable(fname))) {
nuclear@13 46 delete volume;
nuclear@13 47 volume = vol;
nuclear@13 48 volray_setvolume(vol);
nuclear@13 49 post_redisplay();
nuclear@13 50 } else {
nuclear@13 51 delete vol;
nuclear@13 52 }
nuclear@13 53 }
nuclear@13 54 }
nuclear@13 55
nuclear@13 56 void post_redisplay()
nuclear@13 57 {
nuclear@13 58 glview->updateGL();
nuclear@13 59 }
nuclear@13 60
nuclear@13 61
nuclear@13 62 GLView::GLView(QWidget *parent)
nuclear@13 63 : QGLWidget(QGLFormat(QGL::DoubleBuffer), parent)
nuclear@13 64 {
nuclear@13 65 }
nuclear@13 66
nuclear@13 67 QSize GLView::minimumSizeHint() const
nuclear@13 68 {
nuclear@13 69 return QSize(320, 200);
nuclear@13 70 }
nuclear@13 71
nuclear@13 72 QSize GLView::sizeHint() const
nuclear@13 73 {
nuclear@13 74 return QSize(1280, 800);
nuclear@13 75 }
nuclear@13 76
nuclear@13 77 void GLView::initializeGL()
nuclear@13 78 {
nuclear@13 79 if(!volray_init()) {
nuclear@13 80 exit(0);
nuclear@13 81 }
nuclear@13 82 glClearColor(1, 0, 0, 1);
nuclear@13 83 }
nuclear@13 84
nuclear@13 85 void GLView::resizeGL(int xsz, int ysz)
nuclear@13 86 {
nuclear@13 87 volray_resize(xsz, ysz);
nuclear@13 88 }
nuclear@13 89
nuclear@13 90 void GLView::paintGL()
nuclear@13 91 {
nuclear@13 92 volray_draw();
nuclear@13 93 }
nuclear@13 94
nuclear@13 95 static int button_number(Qt::MouseButton bn)
nuclear@13 96 {
nuclear@13 97 switch(bn) {
nuclear@13 98 case Qt::LeftButton:
nuclear@13 99 return 0;
nuclear@13 100 case Qt::MidButton:
nuclear@13 101 return 1;
nuclear@13 102 case Qt::RightButton:
nuclear@13 103 return 2;
nuclear@13 104 default:
nuclear@13 105 break;
nuclear@13 106 }
nuclear@13 107 return -1;
nuclear@13 108 }
nuclear@13 109
nuclear@13 110 void GLView::mousePressEvent(QMouseEvent *ev)
nuclear@13 111 {
nuclear@13 112 int bn = button_number(ev->button());
nuclear@13 113 if(bn >= 0) {
nuclear@13 114 volray_mouse(bn, 1, ev->x(), ev->y());
nuclear@13 115 }
nuclear@13 116 }
nuclear@13 117
nuclear@13 118 void GLView::mouseReleaseEvent(QMouseEvent *ev)
nuclear@13 119 {
nuclear@13 120 int bn = button_number(ev->button());
nuclear@13 121 if(bn >= 0) {
nuclear@13 122 volray_mouse(bn, 0, ev->x(), ev->y());
nuclear@13 123 }
nuclear@13 124 }
nuclear@13 125
nuclear@13 126 void GLView::mouseMoveEvent(QMouseEvent *ev)
nuclear@13 127 {
nuclear@13 128 volray_motion(ev->x(), ev->y());
nuclear@13 129 }