[chronojump] ForceSensor graphAI show ForceN label at Y axis

[Xavier de Blas <xaviblas src gnome org>]

commit 13c1cb179294e765523a970c900d8de8cea30663
Author: Xavier de Blas <xaviblas gmail com>
Date:   Tue Feb 25 17:31:07 2020 +0100

    ForceSensor graphAI show ForceN label at Y axis

 src/gui/app1/forceSensorAnalyze.cs | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/src/gui/app1/forceSensorAnalyze.cs b/src/gui/app1/forceSensorAnalyze.cs
index c9fd7c6a..c1688b09 100644
--- a/src/gui/app1/forceSensorAnalyze.cs
+++ b/src/gui/app1/forceSensorAnalyze.cs
@@ -785,11 +785,17 @@ public partial class ChronoJumpWindow
 
                //draw vertical line
                if(solid)
+               {
+                       layout_force_ai_text.SetMarkup("Force (N)");
+                       layout_force_ai_text.GetPixelSize(out textWidth, out textHeight);
+                       force_sensor_ai_pixmap.DrawLayout (pen_gray_cont_force_ai,
+                                       xPx - textWidth/2, 0, layout_force_ai_text);
+
                        force_sensor_ai_pixmap.DrawLine(pen_gray_cont_force_ai,
-                                       xPx, 4, xPx, force_sensor_ai_drawingarea.Allocation.Height - 
textHeight -4);
-               else
+                                       xPx, textHeight, xPx, force_sensor_ai_drawingarea.Allocation.Height - 
textHeight -6);
+               } else
                        force_sensor_ai_pixmap.DrawLine(pen_gray_discont_force_ai,
-                                       xPx, 4, xPx, force_sensor_ai_drawingarea.Allocation.Height - 
textHeight -4);
+                                       xPx, 6, xPx, force_sensor_ai_drawingarea.Allocation.Height - 
textHeight -6);
        }
 
        private void forcePaintAnalyzeGeneralHLine(int yForce, bool solid)