src/gui/widgets/BasicBlockWidget.cxx

   1 #include "BasicBlockWidget.hxx"
   2 #include "gui/Mainwindow.hxx"
   3
   4 BasicBlockWidget::BasicBlockWidget(const QString& name, BasicBlock * block,
   5                                    Mainwindow * mainwindow)
   6         : width(270), height(45), name(name)
   7         , _widget("", this), _table(NULL)
   8         , block(block), mainwindow(mainwindow) {
   9         next[0] = NULL; next[1] = NULL;
  10         _widget.setPos(5, 20);
  11         _widget.setTextInteractionFlags(Qt::TextSelectableByMouse|
  12                                         Qt::LinksAccessibleByMouse);
  13
  14         if (width < 250) width = 250;
  15 }
  16
  17 void BasicBlockWidget::addItem(uint8_t* bytes, size_t num_bytes,
  18                                QString line, const QString& href) {
  19         QString bytestring;
  20         int row;
  21
  22         if (_table) {
  23                 row = _table->rows();
  24                 _table->appendRows(1);
  25         } else {
  26                 row = 0;
  27                 QTextTableFormat format;
  28                 format.setBorderStyle(QTextFrameFormat::BorderStyle_None);
  29                 format.setBorder(0);
  30                 _table = _widget.textCursor().insertTable(1, 3, format);
  31         }
  32
  33         for (size_t i(0); i < num_bytes; ++i) {
  34                 const char * hexdigits = "0123456789ABCDEF";
  35                 bytestring += hexdigits[(bytes[i] >> 4) & 0xF];
  36                 bytestring += hexdigits[bytes[i] & 0xF];
  37                 bytestring += ' ';
  38         }
  39
  40         _table->cellAt(row, 0).firstCursorPosition().insertText(bytestring);
  41
  42         line = line.replace('\t', ' ').toHtmlEscaped();
  43         if (href != "") {
  44                 line = "<a href=\"" + href + "\">" + line + "</a>";
  45         }
  46
  47         _table->cellAt(row, 1).firstCursorPosition().insertHtml(line);
  48
  49         QObject::connect(&_widget, &QGraphicsTextItem::linkActivated,
  50                          [=](QString str) {
  51                                  if (str.startsWith("function:")) {
  52                                          QString address = str.remove("function:");
  53                                          mainwindow->switchMainPlaneToAddress(address.toInt(NULL, 16));
  54                                  }
  55                          });
  56
  57         width = 10 + _widget.boundingRect().width();
  58         height = 25 + _widget.boundingRect().height();
  59
  60         if (width < 250) width = 250;
  61 }
  62
  63 void BasicBlockWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  64                    QWidget *widget) {
  65         painter->fillRect(0, 0, width, height, QColor(0xcc, 0xcc, 0xff, 0xff));
  66         painter->setPen(QColor(0x00, 0x00, 0xff, 0xff));
  67         painter->drawRect(0, 0, width, height);
  68         painter->drawText(5, 15, name);
  69 }
  70
  71 QRectF BasicBlockWidget::boundingRect() const  {
  72         qreal penWidth = 1;
  73         QRectF result(- penWidth / 2, - penWidth / 2,
  74                       width + penWidth, height + penWidth);
  75         return result;
  76 }
  77
  78 std::array<QPointF, 3> BasicBlockWidget::getExits() const {
  79         return { { mapToScene(QPointF(  width/3, height)),
  80                            mapToScene(QPointF(  width/2, height)),
  81                            mapToScene(QPointF(2*width/3, height)) } };
  82 }
  83