src/gui/widgets/BasicBlockWidget.hxx

   1 #include "gui/qt.hxx"
   2
   3 class BasicBlockWidget : public QGraphicsItem
   4 {
   5 public:
   6     BasicBlockWidget(const QString& name)
   7                 : x(-5), y(-20)
   8                 , dx(270), dy(45)
   9                 , name(name) {
  10                 _widget.setMinimumHeight(_widget.rowHeight(0) + 10);
  11                 _widget.setMaximumHeight(20);
  12                 _widget.setColumnCount(3);
  13                 _widget.verticalHeader()->hide();
  14                 _widget.horizontalHeader()->hide();
  15                 dx = _widget.rowHeight(0) + 20;
  16                 if (dx < 270) dx = 270;
  17     }
  18
  19         void addItem(uint8_t* bytes, size_t num_bytes,
  20                                  const QString& line) {
  21                 size_t current_row = _widget.rowCount();
  22                 int column_width;
  23
  24                 QString bytestring;
  25
  26                 for (size_t i(0); i < num_bytes; ++i) {
  27                         const char * hexdigits = "0123456789ABCDEF";
  28                         bytestring += hexdigits[(bytes[i] >> 4) & 0xF];
  29                         bytestring += hexdigits[bytes[i] & 0xF];
  30                         bytestring += ' ';
  31                 }
  32
  33                 _widget.setRowCount(current_row + 1);
  34
  35                 _widget.setItem(current_row, 0, new QTableWidgetItem(bytestring));
  36                 _widget.setItem(current_row, 1, new QTableWidgetItem(line));
  37                 _widget.setItem(current_row, 2, new QTableWidgetItem(""));
  38                 _widget.updateGeometry();
  39
  40                 _widget.resizeColumnToContents(0);
  41                 _widget.resizeColumnToContents(1);
  42                 _widget.resizeColumnToContents(2);
  43
  44                 _widget.resizeRowToContents(current_row);
  45
  46                 column_width =
  47                         _widget.columnWidth(0) +
  48                         _widget.columnWidth(1) +
  49                         _widget.columnWidth(2) +
  50                         2;
  51
  52                 _widget.setMinimumWidth(column_width);
  53                 _widget.setMinimumHeight(_widget.rowHeight(1) * (_widget.rowCount()) + 2);
  54                 _widget.setMaximumHeight(_widget.rowHeight(1) * (_widget.rowCount()) + 2);
  55
  56
  57                 dy = _widget.rowHeight(0) * (_widget.rowCount()) + 25;
  58                 dx = column_width + 10;
  59                 if (dx < 270) dx = 270;
  60         }
  61
  62     QRectF boundingRect() const
  63     {
  64         qreal penWidth = 1;
  65         return QRectF(x - penWidth / 2, y - penWidth / 2,
  66                       dx + penWidth, dy + penWidth);
  67     }
  68
  69     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  70                QWidget *widget)
  71     {
  72         painter->fillRect(x, y, dx, dy, QColor(0xcc, 0xcc, 0xff, 0xff));
  73         painter->setPen(QColor(0x00, 0x00, 0xff, 0xff));
  74         painter->drawRect(x, y, dx, dy);
  75         painter->drawText(0, -5, name);
  76         _widget.render(painter);
  77     }
  78 private:
  79     int x, y, dx, dy;
  80     QTableWidget _widget;
  81         QString name;
  82 };