+ p.drawText(label_rect, Qt::AlignCenter | Qt::AlignVCenter, _name);
+}
+
+bool Signal::pt_in_label_rect(const QRect &rect, const QPoint &point)
+{
+ const QRectF label = get_label_rect(rect);
+ return QRectF(
+ QPointF(label.left() - LabelHitPadding,
+ label.top() - LabelHitPadding),
+ QPointF(rect.right(),
+ label.bottom() + LabelHitPadding)
+ ).contains(point);
+}
+
+void Signal::compute_text_size(QPainter &p)
+{
+ _text_size = p.boundingRect(QRectF(), 0, _name).size();
+}
+
+QRectF Signal::get_label_rect(const QRect &rect)
+{
+ using pv::view::View;
+
+ const float nominal_offset = get_nominal_offset(rect) + 0.5;
+ const QSizeF label_size(
+ _text_size.width() + View::LabelPadding.width() * 2,
+ _text_size.height() + View::LabelPadding.height() * 2);
+ const float label_arrow_length = label_size.height() / 2;
+ return QRectF(
+ rect.right() - label_arrow_length -
+ label_size.width() - 0.5,
+ nominal_offset - label_size.height() / 2,
+ label_size.width(), label_size.height());