diff --git a/callback.c b/callback.c
index 6840698..fba6dec 100644
--- a/callback.c
+++ b/callback.c
@@ -184,10 +184,23 @@ void on_toggle_model_exec (GtkWidget *btt_run_stop_model_exec, gpointer data)
 //    gtk_button_set_label (GTK_BUTTON (btt_run_stop_model_exec), "stop");
 }
 
-void on_toggle_state_rules (GtkWidget *btt_toggle_state_rules, gpointer data)
+void on_toggle_STATE_RULES_DATA (GtkWidget *btt_toggle_STATE_RULES_DATA, gpointer data)
 {
-//    gtk_button_set_label (GTK_BUTTON (btt_toggle_state_rules), "state");
-//    gtk_button_set_label (GTK_BUTTON (btt_toggle_state_rules), "rules");
+  const char* current_label = gtk_button_get_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA));
+//  if (! strcmp (current_label, "rules")) printf ("callback.c (line 190)  -  strcomp +\n");
+//  else                                   printf ("callback.c (line 191)  -  strcomp -\n");
+
+  if (! strcmp (current_label, "rules")) gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA), "state");
+  else                                   gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA), "rules");
+
+//  if      (! strcmp (current_label, " rules ")) gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA), " state ");
+//  else if (! strcmp (current_label, " state ")) gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA), "analyse");
+//  else if (! strcmp (current_label, "analyse")) gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA), " rules ");
+
+
+//  gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA), "state");
+//  gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA), "rules");
+//  gtk_window_present (dialog_window);
 }
 
 void on_toggle_observ_interpret (GtkWidget *btt_toggle_observ_interpret, gpointer data)
diff --git a/callback.h b/callback.h
index 87031de..b4a4b5b 100644
--- a/callback.h
+++ b/callback.h
@@ -16,7 +16,7 @@ void on_axis_value_change (GtkAdjustment *adjustment, gpointer data);
 
 void on_toggle_exec_edit (GtkWidget *btt_exec_xor_edit, GtkWidget *btt_run_stop_model_exec);
 void on_toggle_model_exec (GtkWidget *btt_run_stop_model_exec, gpointer data);
-void on_toggle_state_rules (GtkWidget *btt_toggle_state_rules, gpointer data);
+void on_toggle_STATE_RULES_DATA (GtkWidget *btt_toggle_STATE_RULES_DATA, gpointer data);
 void on_toggle_observ_interpret (GtkWidget *btt_toggle_observ_interpret, gpointer data);
 
 void on_SAVE_CURRENT_MODEL_BEFORE_EDITING (GtkWidget *btt_SAVE_CURRENT_MODEL, gpointer data);
diff --git a/contain.c b/contain.c
index bac54c2..d8104f1 100644
--- a/contain.c
+++ b/contain.c
@@ -164,24 +164,30 @@ void window_header_bar (GtkWindow *window, char *title){
 
   gpointer no_local_data = NULL;
 
-  GtkButton *run_stop_model_exec = GTK_BUTTON (gtk_button_new_with_label (" run "));
-  g_signal_connect (run_stop_model_exec, "clicked", G_CALLBACK (on_toggle_model_exec), no_local_data);
-
   GtkButton *exec_xor_edit = GTK_BUTTON (gtk_toggle_button_new ());
   gtk_button_set_icon_name (exec_xor_edit, "system-run-symbolic");
   gtk_button_set_icon_name (exec_xor_edit, "power-profile-balanced-rtl-symbolic");
-  g_signal_connect (exec_xor_edit, "clicked", G_CALLBACK (on_toggle_exec_edit), run_stop_model_exec);
+//  g_signal_connect (exec_xor_edit, "clicked", G_CALLBACK (on_toggle_exec_edit), run_stop_model_exec);
 
-  GtkButton *toggle_state_rules = GTK_BUTTON (gtk_button_new_with_label ("state"));
-  g_signal_connect (toggle_state_rules, "clicked", G_CALLBACK (on_toggle_state_rules), no_local_data);
+//  GtkWidget* separe = gtk_separator_new (GTK_ORIENTATION_VERTICAL);
+//  gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (separe));
 
-  GtkButton *observ_interpret = GTK_BUTTON (gtk_button_new_with_label ("observe"));
-  g_signal_connect (observ_interpret, "clicked", G_CALLBACK (on_toggle_observ_interpret), no_local_data);
+  GtkWidget *any_Label = GTK_WIDGET (gtk_label_new ("------------"));
+
+  GtkButton *run_stop_model_exec = GTK_BUTTON (gtk_button_new_with_label (" run "));
+  g_signal_connect (run_stop_model_exec, "clicked", G_CALLBACK (on_toggle_model_exec), no_local_data);
+
+  GtkButton *btt_toggle_STATE_RULES_DATA = GTK_BUTTON (gtk_button_new_with_label ("rules"));
+  g_signal_connect (btt_toggle_STATE_RULES_DATA, "clicked", G_CALLBACK (on_toggle_STATE_RULES_DATA), no_local_data);
+
+//  GtkButton *observ_interpret = GTK_BUTTON (gtk_button_new_with_label ("data analysis"));
+//  g_signal_connect (observ_interpret, "clicked", G_CALLBACK (on_toggle_observ_interpret), no_local_data);
 
   gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (exec_xor_edit));
   gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (run_stop_model_exec));
-  gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (toggle_state_rules));
-  gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (observ_interpret));
+  gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (any_Label));
+  gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (btt_toggle_STATE_RULES_DATA));
+//  gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (observ_interpret));
 
   icons_for_fun (GTK_HEADER_BAR (header_bar));   //  https://iconduck.com/sets/adwaita-icon-theme
 }
diff --git a/dialog.c b/dialog.c
index 1a745b0..a872962 100644
--- a/dialog.c
+++ b/dialog.c
@@ -31,7 +31,7 @@ void dialog_window_design (GtkWindow *main_window, GtkWindow *dialog_window){
   gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog_window), TRUE);
   gtk_window_set_deletable (GTK_WINDOW (dialog_window), FALSE); //  FALSE
   gtk_window_set_modal (GTK_WINDOW (dialog_window), TRUE);
-  gtk_window_present (GTK_WINDOW (dialog_window));
+//  gtk_window_present (GTK_WINDOW (dialog_window));  see button...
 }