diff --git a/src/ui/tree.c b/src/ui/tree.c
index d423e28..c05b859 100644
--- a/src/ui/tree.c
+++ b/src/ui/tree.c
@@ -53,36 +53,56 @@ static TreeItem R[] = {{"A", A}, {"B", B}, {"C", C}, {NULL}};
 static TreeItem O[] = {{"ROOT", R}, {NULL}}; //  Artefact added for symmetry
 
 static GtkWidget *my_tree_view;
-static GListModel *my_list_model = NULL;
+static GListModel *my_Glist_model = NULL;
 
 
 //  erreur: un élément de l'initialisation n'est pas une constante
 //model = create_application_list ();
 
 
+typedef struct _GtkListView GtkListView;
+GtkListView my_view();
 
 typedef struct _GtkModel GtkModel;
 GtkModel my_model();
 
+typedef struct _GListModel GListModel;
+GListModel my_list_model();
+
+typedef struct _GtkSelectionModel GtkSelectionModel;
+GtkSelectionModel my_selection_model();
+
 typedef struct _GtkSignalListItemFactory GtkSignalListItemFactory;
 GtkSignalListItemFactory my_factory(int a);
 
 GtkListItemFactory *gtk_signal_list_item_factory_new (void);
 GtkListItemFactory *gtk_list_view_get_factory (GtkListView *self);
-GtkWidget *gtk_list_view_new (GtkSelectionModel *my_model, GtkListItemFactory *my_factory);
+GtkWidget *gtk_list_view_new (GtkSelectionModel *my_selection_model, GtkListItemFactory *my_factory);
+void gtk_list_view_set_model (GtkListView *self, GtkSelectionModel *my_selection_model);
+GtkSelectionModel *gtk_list_view_get_model (GtkListView *self);
+void gtk_list_view_set_show_separators (GtkListView *self, gboolean show_separators);
+//  Sets whether the list box should show separators between rows.   See also the "get" function
+void gtk_list_view_set_single_click_activate (GtkListView *self, gboolean single_click_activate);
+//  Sets whether rows should be activated on single click and selected on hover.   See also the "get" function
+void gtk_list_view_set_enable_rubberband (GtkListView *self, gboolean enable_rubberband);
+//  Sets whether selections can be changed by dragging with the mouse.   See also the "get" function
 
 
-static void setup_listitem_cb (GtkListItemFactory *factory, GtkListItem *list_item)
+static void setup_listitem_cb (GtkListItemFactory *my_factory,
+                               GtkListItem *my_list_item,
+                               GtkLabel *my_label,
+                               GtkImage *my_image)
 {
-  GtkWidget *label = gtk_label_new ("");
-  gtk_list_item_set_child (list_item, label);
+  //GtkWidget *my_label = gtk_label_new ("");
+  gtk_list_item_set_child (my_list_item, my_label);
 
-  GtkWidget *image = gtk_image_new ();
-  gtk_image_set_icon_size (GTK_IMAGE (image), GTK_ICON_SIZE_LARGE);
-  gtk_list_item_set_child (list_item, image);
+  //GtkWidget *my_image = gtk_image_new ();
+  gtk_image_set_icon_size (GTK_IMAGE (my_image), GTK_ICON_SIZE_LARGE);
+  gtk_list_item_set_child (my_list_item, my_image);
 }
 
-static void bind_listitem_cb (GtkListItemFactory *factory, GtkListItem *list_item)
+static void bind_listitem_cb (GtkListItemFactory *factory,
+                              GtkListItem *list_item)
 {
   GtkWidget *image;
   GAppInfo *app_info;
@@ -92,7 +112,8 @@ static void bind_listitem_cb (GtkListItemFactory *factory, GtkListItem *list_ite
   gtk_image_set_from_gicon (GTK_IMAGE (image), g_app_info_get_icon (app_info));
 }
 
-static void activate_cb (GtkListView  *list, guint position, gpointer unused)
+static void activate_cb (GtkListView  *list,
+                         guint position, gpointer unused)
 {
   GAppInfo *app_info;