From 424c039b7eb5ff40776c86189a2c4aa26b48de84 Mon Sep 17 00:00:00 2001
From: Matthias Koefferlein <matthias@klayout.de>
Date: Thu, 11 May 2023 19:03:41 +0200
Subject: [PATCH] More precise testing of edges on mouse hit - without this
 patch, the selected objects in dense regions are not at the mouse pointer's
 tip, but somewhat away

---
 src/laybasic/laybasic/layFinder.cc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/laybasic/laybasic/layFinder.cc b/src/laybasic/laybasic/layFinder.cc
index acb79f9f5..168efce12 100644
--- a/src/laybasic/laybasic/layFinder.cc
+++ b/src/laybasic/laybasic/layFinder.cc
@@ -137,8 +137,11 @@ Finder::test_edge (const db::ICplxTrans &trans, const db::Edge &edg, double &dis
     double d1 = p1.double_distance (m_region.center ());
     double d2 = p2.double_distance (m_region.center ());
 
-    //  snap to the point - nothing can get closer
-    distance = 0.0;
+    double d = std::min (d1, d2);
+    if (! match || d < distance) {
+      distance = d;
+    }
+
     if (d1 < d2) {
       ret = 1;
     } else {