[chronojump] Better behaviour when no encoder exercises (widgets sensitivity)

[Xavier de Blas <xaviblas src gnome org>]

commit 8f5ca3f10907082808480f081754c64f0c2b504a
Author: Xavier de Blas <xaviblas gmail com>
Date:   Thu Mar 3 12:40:53 2022 +0100

    Better behaviour when no encoder exercises (widgets sensitivity)

 src/gui/app1/encoder.cs | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)
---
diff --git a/src/gui/app1/encoder.cs b/src/gui/app1/encoder.cs
index d62476f95..1b663c608 100644
--- a/src/gui/app1/encoder.cs
+++ b/src/gui/app1/encoder.cs
@@ -1046,7 +1046,8 @@ public partial class ChronoJumpWindow
        }
 
 
-       void on_combo_encoder_exercise_capture_changed (object o, EventArgs args) {
+       private void on_combo_encoder_exercise_capture_changed (object o, EventArgs args)
+       {
                if(UtilGtk.ComboGetActive(combo_encoder_exercise_capture) != "") { //needed because 
encoder_exercise_edit updates this combo and can be without values in the changing process
                        array1RMUpdate(false);
                        encoder_change_displaced_weight_and_1RM ();
@@ -1055,6 +1056,16 @@ public partial class ChronoJumpWindow
                        //sensitivity of left/right buttons
                        button_combo_encoder_exercise_capture_left.Sensitive = 
(combo_encoder_exercise_capture.Active > 0);
                        button_combo_encoder_exercise_capture_right.Sensitive = ! 
UtilGtk.ComboSelectedIsLast(combo_encoder_exercise_capture);
+
+                       button_encoder_exercise_edit.Sensitive = true;
+                       button_encoder_exercise_delete.Sensitive = true;
+               } else {
+                       label_encoder_top_exercise.Text = "";
+                       button_combo_encoder_exercise_capture_left.Sensitive = false;
+                       button_combo_encoder_exercise_capture_right.Sensitive = false;
+
+                       button_encoder_exercise_edit.Sensitive = false;
+                       button_encoder_exercise_delete.Sensitive = false;
                }
        }
        
@@ -1795,6 +1806,7 @@ public partial class ChronoJumpWindow
                                spin_encoder_extra_weight.Value = 
Convert.ToDouble(Util.ChangeDecimalSeparator(eSQL.extraWeight));
 
                                preferences.EncoderChangeMinHeight(eSQL.encoderConfiguration.has_inertia, 
eSQL.minHeight);
+
                                //TODO: show info to user in a dialog,
                                //but check if more info have to be shown on this process
 
@@ -4602,15 +4614,23 @@ public partial class ChronoJumpWindow
 
        //this is called also when an exercise is deleted to update the combo and the string []
        //and on change mode POWERGRAVITORY <-> POWERINERTIAL, because encoderExercises can have different 
type (encoderGI)
-       protected void createEncoderComboExerciseAndAnalyze()
+       private void createEncoderComboExerciseAndAnalyze()
        {
                ArrayList encoderExercises = SqliteEncoder.SelectEncoderExercises(false, -1, false, 
getEncoderGIByMenuitemMode());
                if(encoderExercises.Count == 0)
                {
                        encoderExercisesTranslationAndBodyPWeight = new String [0];
+
+                       //maybe there are no exercises because last one has been deleted, then combo has to 
be updated and be empty
+                       UtilGtk.ComboDelAll(combo_encoder_exercise_capture);
+                       UtilGtk.ComboDelAll(combo_encoder_exercise_analyze);
+
                        return;
                }
 
+               button_encoder_exercise_edit.Sensitive = true;
+               button_encoder_exercise_delete.Sensitive = true;
+
                encoderExercisesTranslationAndBodyPWeight = new String [encoderExercises.Count];
                string [] exerciseNamesToCombo = new String [encoderExercises.Count];
                int i =0;