From fd0439cee85631706521cd34a33d11b42f893f1e Mon Sep 17 00:00:00 2001
From: rkv <roman.kozlov@opencascade.com>
Date: Fri, 13 Feb 2015 12:31:10 +0300
Subject: [PATCH] Getting closest curve has been fixed for the case of several
 curves in the view.

---
 src/Plot2d/Plot2d_ViewFrame.cxx | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/Plot2d/Plot2d_ViewFrame.cxx b/src/Plot2d/Plot2d_ViewFrame.cxx
index c97d1770a..36e56f289 100755
--- a/src/Plot2d/Plot2d_ViewFrame.cxx
+++ b/src/Plot2d/Plot2d_ViewFrame.cxx
@@ -2209,15 +2209,28 @@ Plot2d_Curve* Plot2d_Plot2d::getClosestCurve( QPoint p, double& distance, int& i
 {
   CurveDict::Iterator it = getCurves().begin();
   QwtPlotCurve* aCurve;
+  Plot2d_Curve* aClosestCurve = 0;
+  double aMinDist = -1;
+  int aClosestIndex = -1;
   for ( ; it != getCurves().end(); it++ ) {
     aCurve = it.key();
     if ( !aCurve )
       continue;
     index = aCurve->closestPoint( p, &distance );
     if ( index > -1 )
-      return it.value();
+    {
+      if (aMinDist < 0 || aMinDist > distance)
+      {
+        aMinDist = distance;
+        aClosestIndex = index;
+        aClosestCurve = it.value();
+      }
+    }
   }
-  return 0;
+  distance = aMinDist;
+  index = aClosestIndex;
+
+  return aClosestCurve;
 }
 
 /*!
-- 
2.39.2