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.setMinimumWidth(_widget.sizeHintForColumn(0) + 10);
  11                 _widget.setMaximumHeight(20);
  12                 dx = _widget.sizeHintForColumn(0) + 20;
  13                 if (dx < 270) dx = 270;
  14     }
  15
  16         void addItem(const QString& line) {
  17                 _widget.addItem(line);
  18                 _widget.updateGeometry();
  19                 _widget.setMinimumWidth(_widget.sizeHintForColumn(0) + 10);
  20                 _widget.setMinimumHeight(_widget.sizeHintForRow(0) * (1 + _widget.count()));
  21                 _widget.setMaximumHeight(_widget.sizeHintForRow(0) * (1 + _widget.count()));
  22                 dy = _widget.sizeHintForRow(0) * (1 + _widget.count()) + 25;
  23                 dx = _widget.sizeHintForColumn(0) + 20;
  24                 if (dx < 270) dx = 270;
  25         }
  26
  27     QRectF boundingRect() const
  28     {
  29         qreal penWidth = 1;
  30         return QRectF(x - penWidth / 2, y - penWidth / 2,
  31                       dx + penWidth, dy + penWidth);
  32     }
  33
  34     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  35                QWidget *widget)
  36     {
  37         painter->fillRect(x, y, dx, dy, QColor(0xcc, 0xcc, 0xff, 0xff));
  38         painter->setPen(QColor(0x00, 0x00, 0xff, 0xff));
  39         painter->drawRect(x, y, dx, dy);
  40         painter->drawText(0, -5, name);
  41         _widget.render(painter);
  42     }
  43 private:
  44     int x, y, dx, dy;
  45     QListWidget _widget;
  46         QString name;
  47 };