diff --git a/callback.c b/callback.c
index bfd3043..84aa6b8 100644
--- a/callback.c
+++ b/callback.c
@@ -6,38 +6,16 @@
 #include "contain.h"
 #include "texts.h"
 
-void ui_toggle_run_edit()
+void ui_toggle_run_edit (GtkWidget *btt_run_xor_edit, gpointer   data)
 {
-    if (!get_run_edit_mode()) {g_printerr("Can't find self->main_button_run_edit !\n"); return;}
     printf("window.ui_toggle_run_edit()   >>>    mode = %d", get_run_edit_mode ());
     if (get_run_edit_mode()) {
-          gtk_button_set_icon_name (GTK_BUTTON (get_btt_run_xor_edit()), "system-run-symbolic");
+          gtk_button_set_icon_name (GTK_BUTTON (btt_run_xor_edit), "system-run-symbolic");
           set_run_edit_mode (0);
     } else {
-          gtk_button_set_icon_name (GTK_BUTTON (get_btt_run_xor_edit()), "document-edit-symbolic");
+          gtk_button_set_icon_name (GTK_BUTTON (btt_run_xor_edit), "document-edit-symbolic");
           set_run_edit_mode (1);
     }
     printf(" > %d\n", get_run_edit_mode ());
 }
 
-void on_togglerunedit_action (GSimpleAction *action, GVariant *parameter, gpointer user_data) {
-//    GemGraphClientApplication *self = user_data;
-//    g_assert (GEM_GRAPH_CLIENT_IS_APPLICATION(self));
-    printf("|   >>>   callback.on_togglerunedit_action()   >>>   ");
-    ui_toggle_run_edit ();
-}
-
-void on_quit_action          (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-void on_about_action         (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-void on_preferences_action   (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-void on_togglerunstop_action (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-void on_togglesidebar_action (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-void on_editmode_action      (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-void on_runmode_action       (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-void on_presentmode_action   (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-void on_openfile_action      (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-void on_closefile_action     (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-void on_savefile_action      (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-void on_toast_close_action   (GSimpleAction *action, GVariant *parameter, gpointer user_data) {}
-
-
diff --git a/callback.o b/callback.o
index 2ce517f..fcac212 100644
Binary files a/callback.o and b/callback.o differ
diff --git a/contain.c b/contain.c
index a4331b7..d2aa205 100644
--- a/contain.c
+++ b/contain.c
@@ -296,61 +296,17 @@ void two_notebooks_in_two_panes (GtkWindow *window) {
 
 
 
-
-q
 GtkButton *get_btt_run_xor_edit() {
   GtkButton *run_xor_edit = GTK_BUTTON (gtk_toggle_button_new ());
   gtk_button_set_icon_name (run_xor_edit, "system-run-symbolic");
+  g_signal_connect (run_xor_edit, "clicked", G_CALLBACK (ui_toggle_run_edit), NULL);
   return run_xor_edit;
 }
 
 void activate (GtkApplication *self, gpointer user_data) {
-
   GtkWindow *window = GTK_WINDOW (gtk_application_window_new (self));
   window_bar (window, "E coli   (with permission from David S. Goodsell, 2009)");
   two_notebooks_in_two_panes (window);
   gtk_window_present (GTK_WINDOW (window));
-
-  g_signal_connect (get_btt_run_xor_edit(),
-                    "clicked",
-                    G_CALLBACK (on_togglerunedit_action),
-                    NULL);
 }
 
-/*------------------------------------------------------------------------------
-
-struct _MyApplication {GtkApplication parent_instance;};
-
-G_DEFINE_TYPE (MyApplication,
-               my_application,
-               GTK_TYPE_APPLICATION)
-
-static MyApplication *application;
-
-void ui_enable_action (const char *name) {
-    g_simple_action_set_enabled (
-        (GSimpleAction *)g_action_map_lookup_action(
-                                G_ACTION_MAP(application),
-                                name),
-        true);
-}
-
-void ui_disable_action (const char *name) {
-    g_simple_action_set_enabled (
-        (GSimpleAction *)g_action_map_lookup_action(
-                                G_ACTION_MAP(application),
-                                name),
-        false);
-}
-
-//  Action records are registered here
-
-static void my_application_init (MyApplication *self)
-{
-    g_action_map_add_action_entries(G_ACTION_MAP(self),
-                                   app_actions,
-                                   G_N_ELEMENTS(app_actions),
-                                   self);
-    application = self;
-}
-*/
diff --git a/contain.o b/contain.o
index 59c5eaf..57555df 100644
Binary files a/contain.o and b/contain.o differ
diff --git a/myprogram b/myprogram
index 6c014fe..5970210 100755
Binary files a/myprogram and b/myprogram differ