+QRectF TimeMarker::get_label_rect(const QRect &rect) const
+{
+ const float x = (time_ - view_.offset()) / view_.scale();
+
+ QFontMetrics m(QApplication::font());
+ const float text_width =
+ max(m.boundingRect(get_text()).size().width(), ArrowSize);
+ const float text_height = m.boundingRect("Tg").size().height();
+
+ const QSizeF label_size(
+ text_width + View::LabelPadding.width() * 2,
+ text_height + View::LabelPadding.height() * 2);
+ const float top = rect.height() - label_size.height() -
+ TimeMarker::Offset - TimeMarker::ArrowSize - 0.5f;
+ const float height = label_size.height();
+
+ return QRectF(x - label_size.width() / 2, top,
+ label_size.width(), height);
+}
+