+bool Signal::pt_in_label_rect(QPainter &p,
+ const QRect &rect, const QPoint &point)
+{
+ const QRectF label = get_label_rect(p, rect);
+ return QRectF(
+ QPointF(label.left() - LabelHitPadding,
+ label.top() - LabelHitPadding),
+ QPointF(rect.right(),
+ label.bottom() + LabelHitPadding)
+ ).contains(point);
+}
+
+QRectF Signal::get_label_rect(QPainter &p, const QRect &rect)
+{
+ const QSizeF text_size = p.boundingRect(
+ QRectF(0, 0, rect.width(), 0), 0, _name).size();
+
+ const float nominal_offset = get_nominal_offset(rect);
+ const QSizeF label_size(
+ text_size.width() + LabelPadding.width() * 2,
+ text_size.height() + LabelPadding.height() * 2);
+ const float label_arrow_length = label_size.height() / 2;
+ return QRectF(
+ rect.right() - label_arrow_length - label_size.width(),
+ nominal_offset - label_size.height() / 2,
+ label_size.width(), label_size.height());
+}
+