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.setGridStyle(Qt::NoPen);
  11                 _widget.setMinimumHeight(_widget.rowHeight(0) + 10);
  12                 _widget.setMaximumHeight(20);
  13                 _widget.resizeColumnToContents(0);
  14                 _widget.resizeColumnToContents(1);
  15                 _widget.resizeColumnToContents(2);
  16                 _widget.updateGeometry();
  17                 _widget.setMaximumWidth(260);
  18                 _widget.setColumnCount(3);
  19                 _widget.verticalHeader()->hide();
  20                 _widget.horizontalHeader()->hide();
  21                 dx = _widget.rowHeight(0) + 20;
  22                 if (dx < 270) dx = 270;
  23     }
  24
  25         void addItem(uint8_t* bytes, size_t num_bytes,
  26                                  const QString& line) {
  27                 size_t current_row = _widget.rowCount();
  28                 int column_width;
  29
  30                 QString bytestring;
  31
  32                 for (size_t i(0); i < num_bytes; ++i) {
  33                         const char * hexdigits = "0123456789ABCDEF";
  34                         bytestring += hexdigits[(bytes[i] >> 4) & 0xF];
  35                         bytestring += hexdigits[bytes[i] & 0xF];
  36                         bytestring += ' ';
  37                 }
  38
  39                 _widget.setRowCount(current_row + 1);
  40
  41                 _widget.setItem(current_row, 0, new QTableWidgetItem(bytestring));
  42                 _widget.setItem(current_row, 1, new QTableWidgetItem(line));
  43                 _widget.setItem(current_row, 2, new QTableWidgetItem(""));
  44                 _widget.updateGeometry();
  45
  46                 _widget.resizeColumnToContents(0);
  47                 _widget.resizeColumnToContents(1);
  48                 _widget.resizeColumnToContents(2);
  49
  50                 _widget.resizeRowToContents(current_row);
  51
  52                 column_width =
  53                         _widget.columnWidth(0) +
  54                         _widget.columnWidth(1) +
  55                         _widget.columnWidth(2) +
  56                         2;
  57
  58                 _widget.setMinimumWidth(column_width);
  59                 _widget.setMinimumHeight(_widget.rowHeight(1) * (_widget.rowCount()) + 2);
  60                 _widget.setMaximumHeight(_widget.rowHeight(1) * (_widget.rowCount()) + 2);
  61
  62
  63                 dy = _widget.rowHeight(0) * (_widget.rowCount()) + 25;
  64                 dx = column_width + 10;
  65                 if (dx < 270) dx = 270;
  66         }
  67
  68     QRectF boundingRect() const
  69     {
  70         qreal penWidth = 1;
  71         return QRectF(x - penWidth / 2, y - penWidth / 2,
  72                       dx + penWidth, dy + penWidth);
  73     }
  74
  75     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  76                QWidget *widget)
  77     {
  78         painter->fillRect(x, y, dx, dy, QColor(0xcc, 0xcc, 0xff, 0xff));
  79         painter->setPen(QColor(0x00, 0x00, 0xff, 0xff));
  80         painter->drawRect(x, y, dx, dy);
  81         painter->drawText(0, -5, name);
  82         _widget.render(painter);
  83     }
  84 private:
  85     int x, y, dx, dy;
  86     QTableWidget _widget;
  87         QString name;
  88 };