[chronojump] More fixes like last commit. Now zoom has to be more than one frame wide

[Xavier de Blas <xaviblas src gnome org>]

commit f335e4849899b78ca70dd02b3abe810fe6b83b0b
Author: Xavier de Blas <xaviblas gmail com>
Date:   Wed Feb 12 16:02:21 2020 +0100

    More fixes like last commit. Now zoom has to be more than one frame wide

 src/gui/app1/forceSensorAnalyze.cs | 32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)
---
diff --git a/src/gui/app1/forceSensorAnalyze.cs b/src/gui/app1/forceSensorAnalyze.cs
index d50a5f6b..a2f28d6c 100644
--- a/src/gui/app1/forceSensorAnalyze.cs
+++ b/src/gui/app1/forceSensorAnalyze.cs
@@ -618,8 +618,9 @@ public partial class ChronoJumpWindow
                        zoomA = fsAI.GetTimeMS(firstValue -1) * 1000;
                        zoomB = fsAI.GetTimeMS(secondValue +1) * 1000;
 
-                       //do not zoom if both are the same
-                       if(zoomA == zoomB)
+                       //do not zoom if both are the same, or the diff is just on pixel
+                       //if(zoomA == zoomB)
+                       if(Math.Abs(zoomA - zoomB) <= 1)
                        {
                                zoomA = -1;
                                zoomB = -1;
@@ -660,14 +661,14 @@ public partial class ChronoJumpWindow
                forceSensorAIPlot();
 
                //ranges should have max value the number of the lines of csv file minus the header
-               hscale_force_sensor_ai_a.SetRange(1, fsAI.GetLength() -1);
-               hscale_force_sensor_ai_b.SetRange(1, fsAI.GetLength() -1);
-               hscale_force_sensor_ai_ab.SetRange(1, fsAI.GetLength() -1);
-               LogB.Information(string.Format("hscale_force_sensor_ai_time_a,b,ab ranges: 1, {0}", 
fsAI.GetLength() -1));
+               hscale_force_sensor_ai_a.SetRange(1, fsAI.GetLength() -2);
+               hscale_force_sensor_ai_b.SetRange(1, fsAI.GetLength() -2);
+               hscale_force_sensor_ai_ab.SetRange(1, fsAI.GetLength() -2);
+               LogB.Information(string.Format("hscale_force_sensor_ai_time_a,b,ab ranges: 1, {0}", 
fsAI.GetLength() -2));
 
                //on zoom put hscale B at the right
                if(zoomB >= 0)
-                       hscale_force_sensor_ai_b.Value = fsAI.GetLength() -1;
+                       hscale_force_sensor_ai_b.Value = fsAI.GetLength() -2;
 
                //to update values
                on_hscale_force_sensor_ai_a_value_changed (new object (), new EventArgs ());
@@ -1307,7 +1308,7 @@ public partial class ChronoJumpWindow
                        //if a or b are at max, don't move the ab to the right
                        //if a or b are at min, don't move the ab to the left
                        if(
-                                       ( difference > 0 && aValue < fsAI.GetLength() -1 && bValue < 
fsAI.GetLength() -1 ) ||
+                                       ( difference > 0 && aValue < fsAI.GetLength() -2 && bValue < 
fsAI.GetLength() -2 ) ||
                                        ( difference < 0 && aValue > 1 && bValue > 1 ) )
                        {
                                //move a and b
@@ -1331,12 +1332,13 @@ public partial class ChronoJumpWindow
                button_hscale_force_sensor_ai_b_first.Sensitive = hscale_force_sensor_ai_b.Value > 1;
                button_hscale_force_sensor_ai_b_pre.Sensitive = hscale_force_sensor_ai_b.Value > 1;
 
-               button_hscale_force_sensor_ai_a_last.Sensitive = hscale_force_sensor_ai_a.Value < 
fsAI.GetLength() -1;
-               button_hscale_force_sensor_ai_a_post.Sensitive = hscale_force_sensor_ai_a.Value < 
fsAI.GetLength() -1;
-               button_hscale_force_sensor_ai_b_last.Sensitive = hscale_force_sensor_ai_b.Value < 
fsAI.GetLength() -1;
-               button_hscale_force_sensor_ai_b_post.Sensitive = hscale_force_sensor_ai_b.Value < 
fsAI.GetLength() -1;
+               button_hscale_force_sensor_ai_a_last.Sensitive = hscale_force_sensor_ai_a.Value < 
fsAI.GetLength() -2;
+               button_hscale_force_sensor_ai_a_post.Sensitive = hscale_force_sensor_ai_a.Value < 
fsAI.GetLength() -2;
+               button_hscale_force_sensor_ai_b_last.Sensitive = hscale_force_sensor_ai_b.Value < 
fsAI.GetLength() -2;
+               button_hscale_force_sensor_ai_b_post.Sensitive = hscale_force_sensor_ai_b.Value < 
fsAI.GetLength() -2;
 
-               button_force_sensor_ai_zoom.Sensitive = hscale_force_sensor_ai_a.Value != 
hscale_force_sensor_ai_b.Value;
+               //diff have to be more than one pixel
+               button_force_sensor_ai_zoom.Sensitive = (Math.Abs(hscale_force_sensor_ai_a.Value - 
hscale_force_sensor_ai_b.Value) > 1);
        }
 
        private void on_button_hscale_force_sensor_ai_a_first_clicked (object o, EventArgs args)
@@ -1353,7 +1355,7 @@ public partial class ChronoJumpWindow
        }
        private void on_button_hscale_force_sensor_ai_a_last_clicked (object o, EventArgs args)
        {
-               hscale_force_sensor_ai_a.Value = fsAI.GetLength() -1;
+               hscale_force_sensor_ai_a.Value = fsAI.GetLength() -2;
        }
 
        private void on_button_hscale_force_sensor_ai_b_first_clicked (object o, EventArgs args)
@@ -1370,7 +1372,7 @@ public partial class ChronoJumpWindow
        }
        private void on_button_hscale_force_sensor_ai_b_last_clicked (object o, EventArgs args)
        {
-               hscale_force_sensor_ai_b.Value = fsAI.GetLength() -1;
+               hscale_force_sensor_ai_b.Value = fsAI.GetLength() -2;
        }
 
        private void manage_force_sensor_ai_table_visibilities()