[chronojump] Implemented explanations of projection of force sensor exerted

[Xavier de Blas <xaviblas src gnome org>]

commit b571e4b44480f515a7ae8fba5aad47a564c73298
Author: Xavier de Blas <xaviblas gmail com>
Date:   Wed Dec 29 16:52:48 2021 +0100

    Implemented explanations of projection of force sensor exerted

 glade/force_sensor_exercise.glade | 48 ++++++++++++++++++++++++++++++++-------
 src/gui/forceSensorExercise.cs    | 43 +++++++++++++++++++++++++----------
 2 files changed, 71 insertions(+), 20 deletions(-)
---
diff --git a/glade/force_sensor_exercise.glade b/glade/force_sensor_exercise.glade
index b195ed0dc..ec17fec54 100644
--- a/glade/force_sensor_exercise.glade
+++ b/glade/force_sensor_exercise.glade
@@ -155,15 +155,47 @@
                           </packing>
                         </child>
                         <child>
-                          <widget class="GtkRadioButton" id="radio_force_resultant">
-                            <property name="label" translatable="yes">Projection of exerted force</property>
+                          <widget class="GtkHBox" id="hbox13">
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
-                            <property name="receives_default">False</property>
-                            <property name="active">True</property>
-                            <property name="draw_indicator">True</property>
-                            <property name="group">radio_force_sensor_raw</property>
-                            <signal name="toggled" handler="on_radio_force_toggled" swapped="no"/>
+                            <property name="can_focus">False</property>
+                            <property name="spacing">6</property>
+                            <child>
+                              <widget class="GtkRadioButton" id="radio_force_resultant">
+                                <property name="label" translatable="yes">Projection of exerted 
force</property>
+                                <property name="visible">True</property>
+                                <property name="can_focus">True</property>
+                                <property name="receives_default">False</property>
+                                <property name="active">True</property>
+                                <property name="draw_indicator">True</property>
+                                <property name="group">radio_force_sensor_raw</property>
+                                <signal name="toggled" handler="on_radio_force_toggled" swapped="no"/>
+                              </widget>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">False</property>
+                                <property name="position">0</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <widget class="GtkButton" id="button_force_exerted_help">
+                                <property name="visible">True</property>
+                                <property name="can_focus">True</property>
+                                <property name="receives_default">True</property>
+                                <signal name="clicked" handler="on_button_force_exerted_help_clicked" 
swapped="no"/>
+                                <child>
+                                  <widget class="GtkImage" id="image_force_exerted_help">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                    <property name="stock">gtk-missing-image</property>
+                                  </widget>
+                                </child>
+                              </widget>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">False</property>
+                                <property name="position">1</property>
+                              </packing>
+                            </child>
                           </widget>
                           <packing>
                             <property name="expand">False</property>
diff --git a/src/gui/forceSensorExercise.cs b/src/gui/forceSensorExercise.cs
index e345983ca..188b72168 100644
--- a/src/gui/forceSensorExercise.cs
+++ b/src/gui/forceSensorExercise.cs
@@ -56,7 +56,9 @@ public class ForceSensorExerciseWindow
        [Widget] Gtk.Label label_force;
        [Widget] Gtk.TextView textview_force_explanation;
        [Widget] Gtk.RadioButton radio_force_sensor_raw;
-       [Widget] Gtk.RadioButton radio_force_resultant; 
+       [Widget] Gtk.RadioButton radio_force_resultant;
+       [Widget] Gtk.Button button_force_exerted_help;
+       [Widget] Gtk.Image image_force_exerted_help;
 
        //fixation tab
        [Widget] Gtk.Label label_fixation;
@@ -291,6 +293,7 @@ public class ForceSensorExerciseWindow
                image_cancel.Pixbuf = new Pixbuf (null, Util.GetImagePath(false) + "image_cancel.png");
                image_next.Pixbuf = new Pixbuf (null, Util.GetImagePath(false) + "arrow_forward.png");
                image_back.Pixbuf = new Pixbuf (null, Util.GetImagePath(false) + "arrow_back.png");
+               image_force_exerted_help.Pixbuf = new Pixbuf (null, Util.GetImagePath(false) + 
"image_info.png");
        }
 
        private void initializeGuiAtShow()
@@ -305,9 +308,13 @@ public class ForceSensorExerciseWindow
                entry_name.Text = exercise.Name;
 
                if(exercise.ForceResultant)
+               {
                        radio_force_resultant.Active = true;
-               else
+                       button_force_exerted_help.Sensitive = true;
+               } else {
                        radio_force_sensor_raw.Active = true;
+                       button_force_exerted_help.Sensitive = false;
+               }
 
                if(exercise.Elastic)
                        radio_fixation_elastic.Active = true;
@@ -390,7 +397,10 @@ public class ForceSensorExerciseWindow
                if(o == Options.FORCE_SENSOR)
                        str = Catalog.GetString("When you are interested only in the force transmitted to the 
force sensor. This option do NOT take into account the effect of the weight or the acceleration of a mass.");
                else if(o == Options.FORCE_RESULTANT)
-                       str = Catalog.GetString("When you want the resultant of all the forces exerted by the 
person. This value is the vector module of the resultant force vector. This option allows to take into 
account the effect of the weight or the acceleration of a mass.") + " " + Catalog.GetString("The result will 
always be in absolute values.");
+                       str = Catalog.GetString("When you want the resultant of all the forces exerted by the 
person.") + " " +
+                               Catalog.GetString("Chronojump needs to know the involved mass (usually 
person's mass) and the angle.") + " " +
+                               Catalog.GetString("This option allows to take into account the effect of the 
weight or the acceleration of a mass.") + " " +
+                               Catalog.GetString("Projection of exerted force is calculated as the sum of 
forces projected in the direction defined by the exercise.");
                else if(o == Options.FIXATION_ELASTIC)
                        str = Catalog.GetString("If, exerting a force, some element is significantly 
elongated it means that you are using elastic elements. Knowing the characteristics of the elastic elements 
allows to calculate positions, velocities and accelerations during the exercise");
                else if(o == Options.FIXATION_NOT_ELASTIC)
@@ -422,17 +432,15 @@ public class ForceSensorExerciseWindow
                        str = "1.- " + Catalog.GetString("Isometric Leg Extension.") +
                                "\n2.- " + Catalog.GetString("Upper limb movements against a rubber if the 
displaced mass is considered insignificant.");
                else if(o == Options.FORCE_RESULTANT)
-                       str = "1.- " + Catalog.GetString("Isometric squat with the force sensor fixed between 
the floor and the body.") +
-                               "\n2.- " + Catalog.GetString("Movements where a significant mass is 
accelerated.") +
-                               "\n3.- " + Catalog.GetString("Horizontal movements where the sensor don't 
measure the gravitational vertical forces …)");
+                       str = "1.- " + Catalog.GetString("Vertical:") + " " + Catalog.GetString("Isometric 
squat with the force sensor fixed between the floor and the body.") +
+                               "\n2.- " + Catalog.GetString("Horizontal:") + " " + 
Catalog.GetString("Movements where a significant mass is accelerated.") +
+                               "\n3.- " + Catalog.GetString("Diagonal movement:") + " " + 
Catalog.GetString("Lateral squat.");
                else if(o == Options.FIXATION_ELASTIC)
                        str =  Catalog.GetString("Rubber bands, springs, flexible material …");
                else if(o == Options.FIXATION_NOT_ELASTIC)
-                       str = "1.- " + Catalog.GetString("In an isometric squat with the force sensor fixed 
between the floor and the body, increasing the mass don't affect the measure of the sensor because the weight 
is supported by the lower limbs, not the sensor.") +
-                               "\n2.- " + Catalog.GetString("Running in a threadmill against a rubber. The 
sensor is measuring the force that a rubber is transmitting horizontally to a subject running in a 
threadmill. The body weight is added to the total force exerted by the subject.");
+                       str = "- " + Catalog.GetString("In an isometric squat with the force sensor fixed 
between the floor and the body, increasing the mass don't affect the measure of the sensor because the weight 
is supported by the lower limbs, not the sensor.");
                else if(o == Options.MASS_ADD)
-                       str = "1.- " + Catalog.GetString("In an isometric squat with the force sensor fixed 
between the floor and the body, increasing the mass don't affect the measure of the sensor because the weight 
is supported by the lower limbs, not the sensor.") +
-                               "\n2.- " + Catalog.GetString("Running in a threadmill against a rubber. The 
sensor is measuring the force that a rubber is transmitting horizontally to a subject running in a 
threadmill. The body weight is added to the total force exerted by the subject.");
+                       str = "- " + Catalog.GetString("In an isometric squat with the force sensor fixed 
between the floor and the body, increasing the mass don't affect the measure of the sensor because the weight 
is supported by the lower limbs, not the sensor.");
                else if(o == Options.MASS_SUBTRACT)
                        str = Catalog.GetString("Hamstring test where the heel of the person is suspended in 
a cinch attached to the sensor. The weight of the leg is affecting the measure of the force transmitted to 
the sensor but this is not a force exerted by the subject.");
                else if(o == Options.MASS_NOTHING)
@@ -455,7 +463,7 @@ public class ForceSensorExerciseWindow
                if(o == Options.FORCE_SENSOR)
                        str = Catalog.GetString("Raw data");
                else if(o == Options.FORCE_RESULTANT)
-                       str = Catalog.GetString("Resultant force");
+                       str = Catalog.GetString("Projection of exerted force");
                else if(o == Options.FIXATION_ELASTIC)
                        str = Catalog.GetString("Elastic");
                else if(o == Options.FIXATION_NOT_ELASTIC)
@@ -505,10 +513,12 @@ public class ForceSensorExerciseWindow
                                desc = getDescription(Options.FORCE_SENSOR);
                                ex = getExample(Options.FORCE_SENSOR);
                                set_notebook_desc_example_labels(Options.FORCE_SENSOR);
+                               button_force_exerted_help.Sensitive = false;
                        } else {
                                desc = getDescription(Options.FORCE_RESULTANT);
                                ex = getExample(Options.FORCE_RESULTANT);
                                set_notebook_desc_example_labels(Options.FORCE_RESULTANT);
+                               button_force_exerted_help.Sensitive = true;
                        }
                }
                else if(p == Pages.FIXATION)
@@ -525,7 +535,6 @@ public class ForceSensorExerciseWindow
                }
                else if(p == Pages.MASS)
                {
-
                        if(radio_mass_add.Active) {
                                desc = getDescription(Options.MASS_ADD);
                                ex = getExample(Options.MASS_ADD);
@@ -692,6 +701,16 @@ public class ForceSensorExerciseWindow
                managePage(Pages.REPSSHOW);
        }
 
+       private void on_button_force_exerted_help_clicked (object o, EventArgs args)
+       {
+               new DialogImageTest (
+                               Catalog.GetString("Projection of exerted force"),
+                               Util.GetImagePath(false) + "force_exerted_projected.png",
+                               DialogImageTest.ArchiveType.ASSEMBLY,
+                               ""
+                               );
+       }
+
        private void on_entry_name_changed (object o, EventArgs args)
        {
                Gtk.Entry entry = o as Gtk.Entry;