X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fcanvas%2Fpoly_line.cc;h=ae6d15a8fdceb25d0d81eda7ec3b7618f1a3de50;hb=fee026c5ef7107d5d594159f5ece5917041591f7;hp=7118e47555d1e74d0f03752e5855ffe8fbd2d8c5;hpb=1676789907b95aa8d5bf6cc2ce62aa66a80b9aae;p=ardour.git

diff --git a/libs/canvas/poly_line.cc b/libs/canvas/poly_line.cc
index 7118e47555..ae6d15a8fd 100644
--- a/libs/canvas/poly_line.cc
+++ b/libs/canvas/poly_line.cc
@@ -28,6 +28,7 @@ using namespace ArdourCanvas;
 PolyLine::PolyLine (Group* parent)
 	: Item (parent)
 	, PolyItem (parent)
+	, _threshold (1.0)
 {
 
 }
@@ -59,7 +60,6 @@ PolyLine::covers (Duple const & point) const
 	/* repeat for each line segment */
 
 	const Rect visible (_canvas->visible_area());
-	static const double threshold = 2.0;
 
 	for (i = 1, j = 0; i < npoints; ++i, ++j) {
 
@@ -82,10 +82,10 @@ PolyLine::covers (Duple const & point) const
 		double d = distance_to_segment_squared (p, a, b, t, at);
 		
 		if (t < 0.0 || t > 1.0) {
-			return false;
+			continue;
 		}
 		
-		if (d < threshold) {
+		if (d < _threshold + _outline_width) {
 			return true;
 		}
 		
@@ -93,3 +93,9 @@ PolyLine::covers (Duple const & point) const
 	
 	return false;
 }
+
+void
+PolyLine::set_covers_threshold (double t)
+{
+	_threshold = t;
+}