git.sur5r.net Git - fstl/blob - src/window.cpp

   1 #include <QMenuBar>
   2 #include <QMessageBox>
   3 #include <QFileDialog>
   4
   5 #include "window.h"
   6 #include "canvas.h"
   7 #include "loader.h"
   8
   9 Window::Window(QWidget *parent) :
  10     QMainWindow(parent),
  11     open_action(new QAction("Open", this)),
  12     about_action(new QAction("About", this)),
  13     quit_action(new QAction("Quit", this))
  14
  15 {
  16     setWindowTitle("fstl");
  17
  18     QFile styleFile(":/qt/style.qss");
  19     styleFile.open( QFile::ReadOnly );
  20     setStyleSheet(styleFile.readAll());
  21
  22     QGLFormat format;
  23     format.setVersion(2, 1);
  24     format.setSampleBuffers(true);
  25
  26     canvas = new Canvas(format, this);
  27     setCentralWidget(canvas);
  28
  29     open_action->setShortcut(QKeySequence::Open);
  30     QObject::connect(open_action, &QAction::triggered,
  31                      this, &Window::on_open);
  32
  33     quit_action->setShortcut(QKeySequence::Quit);
  34     QObject::connect(quit_action, &QAction::triggered,
  35                      this, &Window::close);
  36
  37     QObject::connect(about_action, &QAction::triggered,
  38                      this, &Window::on_about);
  39
  40     auto file_menu = menuBar()->addMenu("File");
  41     file_menu->addAction(open_action);
  42     file_menu->addAction(quit_action);
  43
  44     auto help_menu = menuBar()->addMenu("Help");
  45     help_menu->addAction(about_action);
  46
  47     resize(600, 400);
  48 }
  49
  50 void Window::on_open()
  51 {
  52     QString filename = QFileDialog::getOpenFileName(
  53                 this, "Load .stl file", QString(), "*.stl");
  54     if (not filename.isNull())
  55     {
  56         load_stl(filename);
  57     }
  58 }
  59
  60 void Window::on_about()
  61 {
  62     QMessageBox::about(this, "",
  63         "<p align=\"center\"><b>fstl</b></p>"
  64         "<p>A fast viewer for <code>.stl</code> files.<br>"
  65         "<a href=\"https://github.com/mkeeter/fstl\""
  66         "   style=\"color: #93a1a1;\">https://github.com/mkeeter/fstl</a></p>"
  67         "<p>© 2014 Matthew Keeter<br>"
  68         "<a href=\"mailto:matt.j.keeter@gmail.com\""
  69         "   style=\"color: #93a1a1;\">matt.j.keeter@gmail.com</a></p>");
  70 }
  71
  72 void Window::on_ascii_stl()
  73 {
  74     QMessageBox::critical(this, "Error",
  75                           "<b>Error:</b><br>"
  76                           "Cannot open ASCII <code>.stl</code> file<br>"
  77                           "Please convert to binary <code>.stl</code> and retry");
  78 }
  79
  80 void Window::on_bad_stl()
  81 {
  82     QMessageBox::critical(this, "Error",
  83                           "<b>Error:</b><br>"
  84                           "This <code>.stl</code> file is invalid or corrupted.<br>"
  85                           "Please export it from the original source, verify, and retry.");
  86 }
  87
  88 void Window::enable_open()
  89 {
  90     open_action->setEnabled(true);
  91 }
  92
  93 void Window::disable_open()
  94 {
  95     open_action->setEnabled(false);
  96 }
  97
  98 bool Window::load_stl(const QString& filename)
  99 {
 100     if (!open_action->isEnabled())  return false;
 101
 102     canvas->set_status("Loading " + filename);
 103
 104     Loader* loader = new Loader(this, filename);
 105     connect(loader, &Loader::started,
 106               this, &Window::disable_open);
 107
 108     connect(loader, &Loader::got_mesh,
 109             canvas, &Canvas::load_mesh);
 110     connect(loader, &Loader::error_ascii_stl,
 111               this, &Window::on_ascii_stl);
 112     connect(loader, &Loader::error_bad_stl,
 113               this, &Window::on_bad_stl);
 114
 115     connect(loader, &Loader::finished,
 116             loader, &Loader::deleteLater);
 117     connect(loader, &Loader::finished,
 118               this, &Window::enable_open);
 119     connect(loader, &Loader::finished,
 120             canvas, &Canvas::clear_status);
 121
 122     if (filename[0] != ':')
 123     {
 124         connect(loader, &Loader::loaded_file,
 125                   this, &Window::setWindowTitle);
 126     }
 127
 128     loader->start();
 129     return true;
 130 }