+ return QRectF(QPointF(x - label_size.width() / 2, top), label_size);
+}
+
+QRectF TimeMarker::hit_box_rect(const QRectF &rect) const
+{
+ const float x = get_x();
+ const float h = QFontMetrics(QApplication::font()).height();
+ return QRectF(x - h / 2.0f, rect.top(), h, rect.height());
+}
+
+void TimeMarker::paint_label(QPainter &p, const QRect &rect, bool hover)
+{
+ 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));