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(250), dy(270)
   9                 , name(name) {
  10                 _widget.setMinimumWidth(_widget.sizeHintForColumn(0) + 10);
  11                 dy = _widget.sizeHint().height() + 20;
  12                 dx = _widget.sizeHintForColumn(0) + 10;
  13                 if (dx < 270) dx = 270;
  14     }
  15
  16         void addItem(const QString& line) {
  17                 _widget.addItem(line);
  18                 _widget.setMinimumWidth(_widget.sizeHintForColumn(0));
  19                 dy = _widget.sizeHint().height() + 20;
  20                 dx = _widget.sizeHintForColumn(0) + 10;
  21                 if (dx < 270) dx = 270;
  22         }
  23
  24     QRectF boundingRect() const
  25     {
  26         qreal penWidth = 1;
  27         return QRectF(x - penWidth / 2, y - penWidth / 2,
  28                       dx + penWidth, dy + penWidth);
  29     }
  30
  31     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  32                QWidget *widget)
  33     {
  34         painter->fillRect(x, y, dx, dy, QColor(0xcc, 0xcc, 0xff, 0xff));
  35         painter->setPen(QColor(0x00, 0x00, 0xff, 0xff));
  36         painter->drawRect(x, y, dx, dy);
  37         painter->drawText(0, -5, name);
  38         _widget.render(painter);
  39     }
  40 private:
  41     int x, y, dx, dy;
  42     QListWidget _widget;
  43         QString name;
  44 };