avant remaniement : grid >> boxes only

hot.c

@@ -37,7 +37,7 @@ static GtkBox *get_speed_scrolling_box(){
 }
 
 static GtkWidget *get_STEP_by_STEP_Label(){
-  GtkWidget *RS_label = gtk_label_new ("  Step\n\n(show\nactive\n rule)\n_______");
+  GtkWidget *RS_label = gtk_label_new ("  Step\n\n(show\nactive\n rule)");
   gtk_widget_set_size_request (GTK_WIDGET (RS_label), 20, 30);
   return RS_label;
 }
@@ -48,6 +48,6 @@ GtkBox *get_RUN_STOP_box(){
   gtk_box_append (RUN_STOP_box, get_RUN_STOP_label());
   gtk_box_append (RUN_STOP_box, GTK_WIDGET (get_speed_scrolling_box()));
   gtk_box_append (RUN_STOP_box, get_STEP_by_STEP_Label());
-  gtk_box_append (RUN_STOP_box, gtk_label_new ("\n"));
+  gtk_box_append (RUN_STOP_box, GTK_WIDGET(gtk_separator_new (GTK_ORIENTATION_HORIZONTAL)));
   return RUN_STOP_box;
 }