mainwindow.cpp

   1 #include "mainwindow.h"
   2
   3 MainWindow::MainWindow(QWidget *parent)
   4     : QMainWindow(parent)
   5 {
   6     /* Main window properties */
   7     setWindowTitle("Skavegra");
   8
   9     /* Menu bar */
  10     programMenu = new QMenu("&Program", this);
  11     actionQuit = programMenu->addAction("&Quit");
  12     actionQuit->setIcon(QIcon::fromTheme("application-exit"));
  13     menuBar()->addMenu(programMenu);
  14
  15     fileMenu = new QMenu("&File", this);
  16     actionOpen = fileMenu->addAction("&Open");
  17     actionOpen->setIcon(QIcon::fromTheme("document-open"));
  18     actionReOpen = fileMenu->addAction("&Reload");
  19     actionReOpen->setIcon(QIcon::fromTheme("document-revert"));
  20     actionReOpen->setEnabled(false);
  21     actionClose = fileMenu->addAction("&Close");
  22     actionClose->setEnabled(false);
  23     menuBar()->addMenu(fileMenu);
  24
  25     viewMenu = new QMenu("&View", this);
  26     actionZoomIn = viewMenu->addAction("Zoom &in");
  27     actionZoomIn->setIcon(QIcon::fromTheme("zoom-in"));
  28     actionZoomOut = viewMenu->addAction("Zoom &out");
  29     actionZoomOut->setIcon(QIcon::fromTheme("zoom-out"));
  30     actionZoomReset = viewMenu->addAction("&Reset zoom");
  31     actionZoomReset->setIcon(QIcon::fromTheme("zoom-original"));
  32     actionZoomBestFit = viewMenu->addAction("&Best fit");
  33     actionZoomBestFit->setIcon(QIcon::fromTheme("zoom-fit-best"));
  34     menuBar()->addMenu(viewMenu);
  35
  36     aboutMenu = new QMenu("&About", this);
  37     actionAbout = aboutMenu->addAction("A&bout");
  38     actionAbout->setIcon(QIcon::fromTheme("help-about"));
  39     menuBar()->addMenu(aboutMenu);
  40
  41     /* Central widget */
  42     /* * SVG viewer */
  43     svgViewer = new SVGViewer();
  44
  45     setCentralWidget(svgViewer);
  46
  47     /* Error messages and other dialogs */
  48     errorFileOpen = new QErrorMessage(this);
  49
  50     /* Signals and slots */
  51     connect(actionQuit, SIGNAL(triggered()), this, SLOT(close()));
  52     connect(actionOpen, SIGNAL(triggered()), this, SLOT(openFileDialog()));
  53     connect(actionReOpen, SIGNAL(triggered()), this, SLOT(reOpen()));
  54     connect(actionClose, SIGNAL(triggered()), this, SLOT(closeFile()));
  55     connect(actionZoomIn, SIGNAL(triggered()), svgViewer, SLOT(zoomIn()));
  56     connect(actionZoomOut, SIGNAL(triggered()), svgViewer, SLOT(zoomOut()));
  57 }
  58
  59 void MainWindow::reOpen() {
  60     if(lastFileName != NULL) {
  61         if(svgViewer->openFile(lastFileName)) {
  62             actionClose->setEnabled(true);
  63         }
  64     }
  65
  66 }
  67
  68 void MainWindow::openFileDialog() {
  69     QString fileName;
  70     fileName = QFileDialog::getOpenFileName(this, "Load file …", ".", "Scalable Vector Graphics (*.svg *.svgz *.svg.gz)");
  71     if (fileName == NULL) {
  72         return;
  73     }
  74     lastFileName = fileName;
  75
  76     if(svgViewer->openFile(fileName)) {
  77         actionReOpen->setEnabled(true);
  78         actionClose->setEnabled(true);
  79     }
  80 }
  81
  82 void MainWindow::closeFile() {
  83     svgViewer->closeFile();
  84     actionReOpen->setEnabled(false);
  85     actionClose->setEnabled(false);
  86 }
  87
  88 MainWindow::~MainWindow()
  89 {
  90
  91 }