[chronojump] CairoBars vertical guides show avg in red and avg values are also displayed

[Xavier de Blas <xaviblas src gnome org>]

commit 87f3be2b43a67625de2009812734d2118d6a9461
Author: Xavier de Blas <xaviblas gmail com>
Date:   Sun Aug 29 18:52:29 2021 +0200

    CairoBars vertical guides show avg in red and avg values are also displayed

 src/gui/cairo/bars.cs | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)
---
diff --git a/src/gui/cairo/bars.cs b/src/gui/cairo/bars.cs
index 33c1db363..bc814f239 100644
--- a/src/gui/cairo/bars.cs
+++ b/src/gui/cairo/bars.cs
@@ -77,6 +77,17 @@ public abstract class CairoBars : CairoGeneric
                //foreach(CairoBarsGuide cbg in cairoBarsGuideManage.L)
                //      drawHorizontalGuide (cbg);
 
+               //write the X for the average values
+               g.Color = red;
+               printText(graphWidth - rightMargin, topMargin +24 +8, 0, textHeight -3,
+                               "X", g, alignTypes.CENTER);
+               //with the above horizontal line
+               g.MoveTo(graphWidth - rightMargin -4, topMargin +24 +2);
+               g.LineTo(graphWidth - rightMargin +4, topMargin +24 +2);
+               g.Stroke();
+
+               g.Color = black;
+
                int xStart = 6;
                if(usePersonGuides)
                {
@@ -104,10 +115,16 @@ public abstract class CairoBars : CairoGeneric
                                        false, true, 0);
 
                //draw the avg
-               g.Color = black;
+               g.Color = red;
                g.MoveTo(graphWidth - rightMargin +xStart +6, 
calculatePaintY(cairoBarsGuideManage.GetTipPersonAVG()));
                g.LineTo(graphWidth - rightMargin +xStart +18, 
calculatePaintY(cairoBarsGuideManage.GetTipPersonAVG()));
                g.Stroke ();
+
+               //write the average value
+               printText(graphWidth - rightMargin +xStart +12, topMargin +24 +8, 0, textHeight -3,
+                               Util.TrimDecimals(cairoBarsGuideManage.GetTipPersonAVG(), 1),
+                               g, alignTypes.CENTER);
+               g.Color = black;
        }
        protected void drawGuidesGroup (int xStart)
        {
@@ -126,10 +143,16 @@ public abstract class CairoBars : CairoGeneric
                                        false, true, 0);
 
                //draw the avg
-               g.Color = black;
+               g.Color = red;
                g.MoveTo(graphWidth - rightMargin +xStart +6, 
calculatePaintY(cairoBarsGuideManage.GetTipGroupAVG()));
                g.LineTo(graphWidth - rightMargin +xStart +18, 
calculatePaintY(cairoBarsGuideManage.GetTipGroupAVG()));
                g.Stroke ();
+
+               //write the average value
+               printText(graphWidth - rightMargin +xStart +12, topMargin +24 +8, 0, textHeight -3,
+                               Util.TrimDecimals(cairoBarsGuideManage.GetTipGroupAVG(), 1),
+                               g, alignTypes.CENTER);
+               g.Color = black;
        }
 
        //TODO: move this to generic (if needed)