[chronojump] DoubleContacts cairo graph uses colorBackground for chunks

[Xavier de Blas <xaviblas src gnome org>]

commit 29320afd914ca50d4fbcdf09fcf6d8493917ae75
Author: Xavier de Blas <xaviblas gmail com>
Date:   Wed Nov 3 15:57:12 2021 -0300

    DoubleContacts cairo graph uses colorBackground for chunks

 src/gui/cairo/runDoubleContacts.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/src/gui/cairo/runDoubleContacts.cs b/src/gui/cairo/runDoubleContacts.cs
index 3d06e9a37..a11a8795f 100644
--- a/src/gui/cairo/runDoubleContacts.cs
+++ b/src/gui/cairo/runDoubleContacts.cs
@@ -29,6 +29,7 @@ public class CairoRunDoubleContacts : CairoGeneric
        private DrawingArea area;
        private Cairo.Context g;
        private Cairo.Color black;
+       private Cairo.Color colorBackground;
        private int rightMargin = 35; //TODO: on windows should be 55
        private int bottomMargin = 0;
 
@@ -69,6 +70,8 @@ public class CairoRunDoubleContacts : CairoGeneric
                g.SelectFontFace(font, Cairo.FontSlant.Normal, Cairo.FontWeight.Normal);
                g.SetFontSize(textHeight);
 
+               colorBackground = colorFromGdk(Config.ColorBackground);
+
                black = colorFromRGB(0,0,0);
                //gray = colorFromRGB(99,99,99); //gray99
                g.Color = black;
@@ -79,7 +82,6 @@ public class CairoRunDoubleContacts : CairoGeneric
                        bool drawStart, bool drawEnd)
        {
                LogB.Information("CONTACT CHUNKS at Cairo");
-               g.Color = black;
                double lastChunkStart = 0;
                int chunkMargins = 4;
 
@@ -96,12 +98,14 @@ public class CairoRunDoubleContacts : CairoGeneric
                        LogB.Information(string.Format("xEnd parts: {0}, {1}, {2}",
                                        inPTL.tcEnd, negativePTLTime, timeTotalWithExtraPTL));
 
+                       g.Color = colorBackground;
                        g.Rectangle(xStart, graphHeight-bottomMargin-4, xEnd-xStart, 4);
                        g.Fill();
 
                        LogB.Information(string.Format("xStart: {0}, yTop: {1}, width: {2}, height: {3}",
                                xStart, graphHeight-bottomMargin-4, xEnd-xStart, 4));
 
+                       g.Color = black;
                        //manage chunks indications
                        if(inPTL.phase == RunPhaseTimeListObject.Phases.START)
                        {