[chronojump] Fixed ocassionally bad overlapping of cairo bars

[Xavier de Blas <xaviblas src gnome org>]

commit 07864be7fc61a33b9f46f82029ebe85d1a1d051b
Author: Xavier de Blas <xaviblas gmail com>
Date:   Mon Sep 27 09:57:34 2021 +0200

    Fixed ocassionally bad overlapping of cairo bars

 src/gui/cairo/bars.cs | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)
---
diff --git a/src/gui/cairo/bars.cs b/src/gui/cairo/bars.cs
index 184b36bbf..c8ce3d693 100644
--- a/src/gui/cairo/bars.cs
+++ b/src/gui/cairo/bars.cs
@@ -921,6 +921,12 @@ public class CairoBarsNHSeries : CairoBars
 
                for(int i = 0; i < pointB_l.Count; i ++)
                {
+                       /*
+                          need this to sort correctly, because tests are plotted from last to first (right 
to left),
+                          so pB.Y result should have to be written first
+                          */
+                       List<Point3F> resultOnBarsThisIteration_l = new List<Point3F>();
+
                        //PointF pA = pointA_l[i];
                        bool secondaryHasData = false;
                        PointF pB = pointB_l[i];
@@ -935,7 +941,7 @@ public class CairoBarsNHSeries : CairoBars
                                {
                                        double y = calculatePaintY(pS.Y);
                                        drawRoundedRectangle (true, x + adjustX, y, barWidth, graphHeight -y 
-bottomMargin, 4, g, colorSerieA);
-                                       resultOnBars_l.Add(new Point3F(x + adjustX + barWidth/2, y, pS.Y));
+                                       resultOnBarsThisIteration_l.Add(new Point3F(x + adjustX + barWidth/2, 
y, pS.Y));
 
                                        secondaryHasData = true;
                                }
@@ -951,9 +957,13 @@ public class CairoBarsNHSeries : CairoBars
 
                                double y = calculatePaintY(pB.Y);
                                drawRoundedRectangle (true, x+adjustX, y, barWidth, graphHeight -y 
-bottomMargin, 4, g, colorSerieB);
-                               resultOnBars_l.Add(new Point3F(x + adjustX + barWidth/2, y, pB.Y));
+                               resultOnBarsThisIteration_l.Add(new Point3F(x + adjustX + barWidth/2, y, 
pB.Y));
                        }
 
+                       //sort result on bars correctly
+                       for(int j = resultOnBarsThisIteration_l.Count -1; j >= 0; j --)
+                               resultOnBars_l.Add(resultOnBarsThisIteration_l[j]);
+
                        //print text at bottom
                        printTextMultiline(
                                        x,