+ if (!enabled())
+ return;
+
+ const qreal x = ((time_ - view_.offset()) / view_.scale()).convert_to<qreal>();
+ const QRectF r(label_rect(rect));
+
+ const QPointF points[] = {
+ r.topLeft(),
+ r.bottomLeft(),
+ QPointF(max(r.left(), x - ArrowSize), r.bottom()),
+ QPointF(x, rect.bottom()),
+ QPointF(min(r.right(), x + ArrowSize), r.bottom()),
+ r.bottomRight(),
+ r.topRight()
+ };
+
+ const QPointF highlight_points[] = {
+ QPointF(r.left() + 1, r.top() + 1),
+ QPointF(r.left() + 1, r.bottom() - 1),
+ QPointF(max(r.left() + 1, x - ArrowSize), r.bottom() - 1),
+ QPointF(min(max(r.left() + 1, x), r.right() - 1),
+ rect.bottom() - 1),
+ QPointF(min(r.right() - 1, x + ArrowSize), r.bottom() - 1),
+ QPointF(r.right() - 1, r.bottom() - 1),
+ QPointF(r.right() - 1, r.top() + 1),
+ };
+
+ if (selected()) {
+ p.setPen(highlight_pen());
+ p.setBrush(Qt::transparent);
+ p.drawPolygon(points, countof(points));
+ }
+
+ p.setPen(Qt::transparent);
+ p.setBrush(hover ? colour_.lighter() : colour_);
+ p.drawPolygon(points, countof(points));
+
+ p.setPen(colour_.lighter());
+ p.setBrush(Qt::transparent);
+ p.drawPolygon(highlight_points, countof(highlight_points));
+
+ p.setPen(colour_.darker());
+ p.setBrush(Qt::transparent);
+ p.drawPolygon(points, countof(points));
+
+ p.setPen(select_text_colour(colour_));
+ p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, get_text());