Код по роботу с treeView вынесен в отдельную функцию

source/ubl-settings-diskquota.cc

@@ -813,22 +813,16 @@ void MainWindow::wrapper_save_system_cfg() {
     map_system_cfg = map_gui_cfg;
 }
 
-void MainWindow::load_template(map_str_str* map_temp, string str_load) {
+void MainWindow::init_work_tv_g_u_p() {
     groupsQuotasTree->remove_all_columns();
-    list_store_groups = Gtk::ListStore::create(m_columns);
-    groupsQuotasTree->set_model(list_store_groups);
-
     ProjectQuotasTree->remove_all_columns();
-    list_store_project = Gtk::ListStore::create(m_columns);
-    ProjectQuotasTree->set_model(list_store_project);
-
     usersQuotasTree->remove_all_columns();
+    list_store_groups = Gtk::ListStore::create(m_columns);
+    list_store_project = Gtk::ListStore::create(m_columns);
     list_store_users = Gtk::ListStore::create(m_columns);
+    groupsQuotasTree->set_model(list_store_groups);
+    ProjectQuotasTree->set_model(list_store_project);
     usersQuotasTree->set_model(list_store_users);
-    this->view_add_columns(*groupsQuotasTree);
-    this->view_add_columns(*ProjectQuotasTree);
-    this->view_add_columns(*usersQuotasTree);
-
     Glib::RefPtr<Gtk::TreeModel> groupsQuotasTreeModel = groupsQuotasTree->get_model();
     groupsQuotasTreeModel->signal_row_changed().connect(sigc::bind<Gtk::TreeModel::iterator&, bool&> 
     (sigc::mem_fun(*this, &MainWindow::remove_line_template), iter_groups, flag_validate_del_groups));
@@ -838,7 +832,13 @@ void MainWindow::load_template(map_str_str* map_temp, string str_load) {
     Glib::RefPtr<Gtk::TreeModel> usersQuotasTreeModel = usersQuotasTree->get_model();
     usersQuotasTreeModel->signal_row_changed().connect(sigc::bind<Gtk::TreeModel::iterator&, bool&> 
     (sigc::mem_fun(*this, &MainWindow::remove_line_template),iter_users, flag_validate_del_users));
+    this->view_add_columns(*groupsQuotasTree);
+    this->view_add_columns(*ProjectQuotasTree);
+    this->view_add_columns(*usersQuotasTree);
+}
 
+void MainWindow::load_template(map_str_str* map_temp, string str_load) {
+    this->init_work_tv_g_u_p();
     this->init_dict(str_load);
     string sections;
     sections = "security";

source/ubl-settings-diskquota.h

@@ -398,6 +398,7 @@ class MainWindow : public Gtk::ApplicationWindow {
         void add_CSS();
         void get_builder();
         void event();
+        void init_work_tv_g_u_p();
         void remove_line_template(const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter, Gtk::TreeModel::iterator& iter_del, bool& flag_del);
         void remove_template(Glib::RefPtr<Gtk::ListStore>* list_store, const Gtk::TreeModel::iterator* iter, bool& flag_validate_del);
         void init_tree_view_general();