X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Ftrace.cpp;h=8e3927848ae64d271619444e2dae89b462d20e5f;hb=3cc9ad7b867853315473df611612c562d562ed8a;hp=bf1c4ae511f4f507726e97ab2f726b7b95fb6dc0;hpb=786b76785856c6cf8f5916c0b8d76a61695762f9;p=pulseview.git

diff --git a/pv/view/trace.cpp b/pv/view/trace.cpp
index bf1c4ae5..8e392784 100644
--- a/pv/view/trace.cpp
+++ b/pv/view/trace.cpp
@@ -21,7 +21,7 @@
 #include <extdef.h>
 
 #include <assert.h>
-#include <math.h>
+#include <cmath>
 
 #include <QApplication>
 #include <QFormLayout>
@@ -163,6 +163,13 @@ QRectF Trace::label_rect(const QRectF &rect) const
 		label_size.height());
 }
 
+QRectF Trace::hit_box_rect(const QRectF &rect) const
+{
+	const float h = QFontMetrics(QApplication::font()).height();
+	return QRectF(rect.left(), get_visual_y() - h / 2.0f,
+		rect.width(), h);
+}
+
 void Trace::paint_axis(QPainter &p, const ViewItemPaintParams &pp, int y)
 {
 	p.setPen(AxisPen);