[chronojump] ForceSensor feedback rectangle can be negative

[Xavier de Blas <xaviblas src gnome org>]

commit 55571caf9116608fa2f977d0f22cd20ca292bdde
Author: Xavier de Blas <xaviblas gmail com>
Date:   Thu May 27 11:53:32 2021 +0200

    ForceSensor feedback rectangle can be negative

 glade/repetitive_conditions.glade |  2 +-
 src/gui/app1/forceSensor.cs       | 17 ++++++++++++-----
 2 files changed, 13 insertions(+), 6 deletions(-)
---
diff --git a/glade/repetitive_conditions.glade b/glade/repetitive_conditions.glade
index ef774e3b0..f375af938 100644
--- a/glade/repetitive_conditions.glade
+++ b/glade/repetitive_conditions.glade
@@ -4718,7 +4718,7 @@
                                                 <property name="secondary_icon_activatable">False</property>
                                                 <property name="primary_icon_sensitive">True</property>
                                                 <property name="secondary_icon_sensitive">True</property>
-                                                <property name="adjustment">100 0 9999 1 10 0</property>
+                                                <property name="adjustment">100 -9999 9999 1 10 0</property>
                                                 <property name="climb_rate">1</property>
                                                 <property name="numeric">True</property>
                                               </widget>
diff --git a/src/gui/app1/forceSensor.cs b/src/gui/app1/forceSensor.cs
index dd584b6b9..ca6cc1e0d 100644
--- a/src/gui/app1/forceSensor.cs
+++ b/src/gui/app1/forceSensor.cs
@@ -1072,12 +1072,14 @@ public partial class ChronoJumpWindow
                                preferences.forceSensorCaptureWidthSeconds
                                );
 
-               setForceSensorTopAtOperationStart();
-
                pathAccuracy = new PathAccuracy();
 
-               if(fscPoints.RealHeightG < forceSensorTopRectangleAtOperationStart)
+               setForceSensorTopAtOperationStart();
+
+               if(forceSensorTopRectangleAtOperationStart > 0 && fscPoints.RealHeightG < 
forceSensorTopRectangleAtOperationStart)
                        fscPoints.RealHeightG = forceSensorTopRectangleAtOperationStart;
+               else if(forceSensorTopRectangleAtOperationStart < 0 && fscPoints.RealHeightGNeg < 
Math.Abs(forceSensorTopRectangleAtOperationStart))
+                       fscPoints.RealHeightGNeg = Math.Abs(forceSensorTopRectangleAtOperationStart);
 
                if(repetitiveConditionsWin.GetForceSensorFeedbackPathActive)
                {
@@ -2598,11 +2600,16 @@ LogB.Information(" fs R ");
                }
        }
 
+       //note can be positive or negative
        private void setForceSensorTopAtOperationStart()
        {
                if(preferences.forceSensorCaptureFeedbackActive == 
Preferences.ForceSensorCaptureFeedbackActiveEnum.RECTANGLE)
-                       forceSensorTopRectangleAtOperationStart = 
Convert.ToInt32(preferences.forceSensorCaptureFeedbackAt + preferences.forceSensorCaptureFeedbackRange /2);
-               else
+               {
+                       if(preferences.forceSensorCaptureFeedbackAt < 0)
+                               forceSensorTopRectangleAtOperationStart = 
Convert.ToInt32(preferences.forceSensorCaptureFeedbackAt - preferences.forceSensorCaptureFeedbackRange /2);
+                       else
+                               forceSensorTopRectangleAtOperationStart = 
Convert.ToInt32(preferences.forceSensorCaptureFeedbackAt + preferences.forceSensorCaptureFeedbackRange /2);
+               } else
                        forceSensorTopRectangleAtOperationStart = 0;
        }
        //This function calculates the max value between the sent force and the top of the feedback rectangle