sortlistmodel: Make constructor transfer full

This is for consistency with other wrapping list constructors.
We want them all to be transfer full, allow-none.

Update all callers.

demos/gtk-demo/listview_settings.c

@@ -242,8 +242,7 @@ transform_settings_to_keys (GBinding     *binding,
   g_object_unref (settings);
 
   sort_model = gtk_sort_list_model_new (G_LIST_MODEL (store),
-                                        gtk_column_view_get_sorter (GTK_COLUMN_VIEW (data)));
+                                        g_object_ref (gtk_column_view_get_sorter (GTK_COLUMN_VIEW (data))));
-  g_object_unref (store);
 
   filter = gtk_string_filter_new (gtk_property_expression_new (SETTINGS_TYPE_KEY, NULL, "name"));
   g_set_object (&current_filter, filter);

gtk/gtkcolumnview.c

@@ -1500,8 +1500,8 @@ gtk_column_view_get_list_view (GtkColumnView *self)
  * |[
  *   gtk_column_view_column_set_sorter (column, sorter);
  *   gtk_column_view_append_column (view, column);
- *   model = gtk_sort_list_model_new (store,
+ *   sorter = g_object_ref (gtk_column_view_get_sorter (view)));
- *                                    gtk_column_view_get_sorter (view));
+ *   model = gtk_sort_list_model_new (store, sorter);
  *   selection = gtk_no_selection_new (model);
  *   gtk_column_view_set_model (view, selection);
  * ]|

gtk/gtkprintunixdialog.c

@@ -813,7 +813,6 @@ gtk_print_unix_dialog_init (GtkPrintUnixDialog *dialog)
   model = load_print_backends (dialog);
   sorter = gtk_custom_sorter_new (default_printer_list_sort_func, NULL, NULL);
   sorted = G_LIST_MODEL (gtk_sort_list_model_new (model, sorter));
-  g_object_unref (sorter);
 
   filter = gtk_every_filter_new ();
 
@@ -839,7 +838,6 @@ gtk_print_unix_dialog_init (GtkPrintUnixDialog *dialog)
   g_signal_connect_swapped (selection, "notify::selected", G_CALLBACK (selected_printer_changed), dialog);
   g_object_unref (selection);
   g_object_unref (filtered);
-  g_object_unref (model);
 
   gtk_print_load_custom_papers (dialog->custom_paper_list);
 

gtk/gtksortlistmodel.c

@@ -828,8 +828,8 @@ gtk_sort_list_model_init (GtkSortListModel *self)
 
 /**
  * gtk_sort_list_model_new:
- * @model: (allow-none): the model to sort
+ * @model: (allow-none) (transfer full): the model to sort, or %NULL
- * @sorter: (allow-none): the #GtkSorter to sort @model with
+ * @sorter: (allow-none) (transfer full): the #GtkSorter to sort @model with, or %NULL
  *
  * Creates a new sort list model that uses the @sorter to sort @model.
  *
@@ -849,6 +849,10 @@ gtk_sort_list_model_new (GListModel *model,
                          "sorter", sorter,
                          NULL);
 
+  /* consume the references */
+  g_clear_object (&model);
+  g_clear_object (&sorter);
+
   return result;
 }
 

gtk/inspector/actions.c

@@ -46,7 +46,7 @@ struct _GtkInspectorActions
 
   GObject *object;
 
-  GListModel *actions;
+  GListStore *actions;
   GtkColumnViewColumn *name;
 };
 
@@ -79,7 +79,7 @@ action_added (GObject             *owner,
               GtkInspectorActions *sl)
 {
   ActionHolder *holder = action_holder_new (owner, action_name);
-  g_list_store_append (G_LIST_STORE (sl->actions), holder);
+  g_list_store_append (sl->actions, holder);
   g_object_unref (holder);
 }
 
@@ -283,7 +283,7 @@ add_muxer (GtkInspectorActions *sl,
 static gboolean
 reload (GtkInspectorActions *sl)
 {
-  g_list_store_remove_all (G_LIST_STORE (sl->actions));
+  g_list_store_remove_all (sl->actions);
 
   if (GTK_IS_APPLICATION (sl->object))
     {
@@ -395,9 +395,9 @@ constructed (GObject *object)
   gtk_column_view_column_set_sorter (sl->name, sorter);
   g_object_unref (sorter);
 
-  sl->actions = G_LIST_MODEL (g_list_store_new (ACTION_TYPE_HOLDER));
+  sl->actions = g_list_store_new (ACTION_TYPE_HOLDER);
-  sorted = G_LIST_MODEL (gtk_sort_list_model_new (sl->actions,
+  sorted = G_LIST_MODEL (gtk_sort_list_model_new (g_object_ref (G_LIST_MODEL (sl->actions)),
-                                                  gtk_column_view_get_sorter (GTK_COLUMN_VIEW (sl->list))));
+                                                  g_object_ref (gtk_column_view_get_sorter (GTK_COLUMN_VIEW (sl->list)))));
   model = G_LIST_MODEL (gtk_no_selection_new (sorted));
   gtk_column_view_set_model (GTK_COLUMN_VIEW (sl->list), model);
   g_object_unref (sorted);

gtk/inspector/controllers.c

@@ -249,7 +249,6 @@ gtk_inspector_controllers_set_object (GtkInspectorControllers *self,
 
   sorter = gtk_custom_sorter_new (compare_controllers, NULL, NULL);
   sort_model = gtk_sort_list_model_new (G_LIST_MODEL (flatten_model), sorter);
-  g_object_unref (sorter);
 
   gtk_list_box_bind_model (GTK_LIST_BOX (self->listbox),
                            G_LIST_MODEL (sort_model),
@@ -258,7 +257,6 @@ gtk_inspector_controllers_set_object (GtkInspectorControllers *self,
                            NULL);
 
   g_object_unref (sort_model);
-  g_object_unref (flatten_model);
 }
 
 static void

gtk/inspector/prop-list.c

@@ -634,7 +634,6 @@ gtk_inspector_prop_list_set_object (GtkInspectorPropList *pl,
 
   g_object_unref (list);
   g_object_unref (sorted);
-  g_object_unref (filtered);
 
   return TRUE;
 }

gtk/inspector/resource-list.c

@@ -712,11 +712,10 @@ constructed (GObject *object)
 
   column_sorter = gtk_column_view_get_sorter (GTK_COLUMN_VIEW (rl->list));
   sorter = gtk_tree_list_row_sorter_new (g_object_ref (column_sorter));
-  sort_model = G_LIST_MODEL (gtk_sort_list_model_new (G_LIST_MODEL (rl->tree_model), sorter));
+  sort_model = G_LIST_MODEL (gtk_sort_list_model_new (g_object_ref (G_LIST_MODEL (rl->tree_model)), sorter));
   rl->selection = gtk_single_selection_new (sort_model);
   g_object_unref (root_model);
   g_object_unref (sort_model);
-  g_object_unref (sorter);
 
   gtk_column_view_set_model (GTK_COLUMN_VIEW (rl->list), G_LIST_MODEL (rl->selection));
 

tests/testcolumnview.c

@@ -770,7 +770,6 @@ main (int argc, char *argv[])
   gtk_box_append (GTK_BOX (vbox), statusbar);
 
   g_object_unref (filter);
-  g_object_unref (tree);
 
   list = gtk_list_view_new_with_factory (
              gtk_builder_list_item_factory_new_from_bytes (scope, g_bytes_new_static (factory_ui, strlen (factory_ui))));

tests/testlistview-animating.c

@@ -127,7 +127,6 @@ main (int   argc,
     add (store);
   sorter = gtk_numeric_sorter_new (gtk_cclosure_expression_new (G_TYPE_UINT, NULL, 0, NULL, (GCallback)get_number, NULL, NULL));
   sort = gtk_sort_list_model_new (G_LIST_MODEL (store), sorter);
-  g_object_unref (sorter);
 
   win = gtk_window_new ();
   gtk_window_set_default_size (GTK_WINDOW (win), 400, 600);
@@ -182,7 +181,5 @@ main (int   argc,
   while (g_list_model_get_n_items (toplevels))
     g_main_context_iteration (NULL, TRUE);
 
-  g_object_unref (store);
-
   return 0;
 }

tests/testlistview.c

@@ -318,7 +318,6 @@ get_file_path (GFileInfo *info)
 static GListModel *
 create_list_model_for_directory (gpointer file)
 {
-  GtkSortListModel *sort;
   GtkDirectoryList *dir;
   GtkSorter *sorter;
 
@@ -327,12 +326,8 @@ create_list_model_for_directory (gpointer file)
 
   dir = create_directory_list (file);
   sorter = gtk_string_sorter_new (gtk_cclosure_expression_new (G_TYPE_STRING, NULL, 0, NULL, (GCallback) get_file_path, NULL, NULL));
-  sort = gtk_sort_list_model_new (G_LIST_MODEL (dir), sorter);
 
-  g_object_unref (sorter);
+  return G_LIST_MODEL (gtk_sort_list_model_new (G_LIST_MODEL (dir), sorter));
-  g_object_unref (dir);
-
-  return G_LIST_MODEL (sort);
 }
 
 typedef struct _RowData RowData;

testsuite/gtk/sorter.c

@@ -247,6 +247,8 @@ new_model (guint      size,
 {
   GtkSortListModel *result;
 
+  if (sorter)
+    g_object_ref (sorter);
   result = gtk_sort_list_model_new (G_LIST_MODEL (fisher_yates_shuffle (new_store (1, size, 1))), sorter);
 
   return result;
@@ -630,8 +632,8 @@ test_stable (void)
   gtk_multi_sorter_append (GTK_MULTI_SORTER (multi), b);
   model1 = new_model (20, multi);
   g_object_unref (multi);
-  model2b = gtk_sort_list_model_new (gtk_sort_list_model_get_model (model1), b);
+  model2b = gtk_sort_list_model_new (g_object_ref (gtk_sort_list_model_get_model (model1)), g_object_ref (b));
-  model2 = gtk_sort_list_model_new (G_LIST_MODEL (model2b), a);
+  model2 = gtk_sort_list_model_new (g_object_ref (G_LIST_MODEL (model2b)), g_object_ref (a));
   assert_model_equal (model1, model2);
 
   modify_sorter (a);

testsuite/gtk/sortlistmodel-exhaustive.c

@@ -200,9 +200,9 @@ create_sort_list_model (gconstpointer  model_id,
   guint id = GPOINTER_TO_UINT (model_id);
 
   if (track_changes)
-    model = sort_list_model_new (id & 1 ? NULL : source, id & 2 ? NULL : sorter);
+    model = sort_list_model_new (((id & 1) || !source) ? NULL : g_object_ref (source), ((id & 2) || !sorter) ? NULL : g_object_ref (sorter));
   else
-    model = gtk_sort_list_model_new (id & 1 ? NULL : source, id & 2 ? NULL : sorter);
+    model = gtk_sort_list_model_new (((id & 1) || !source) ? NULL : g_object_ref (source), ((id & 2) || !sorter) ? NULL : g_object_ref (sorter));
 
   switch (id >> 2)
   {

testsuite/gtk/sortlistmodel.c

@@ -220,8 +220,7 @@ new_model (gpointer model)
       GtkSorter *sorter;
 
       sorter = gtk_custom_sorter_new (compare, NULL, NULL);
-      result = gtk_sort_list_model_new (model, sorter);
+      result = gtk_sort_list_model_new (g_object_ref (model), sorter);
-      g_object_unref (sorter);
     }
   else
     result = gtk_sort_list_model_new (NULL, NULL);

testsuite/gtk/treesorter.c

@@ -179,9 +179,7 @@ test_simple (void)
   sort = gtk_sort_list_model_new (model, sorter);
   assert_model (sort, "1 2 21 3 31 32 321");
 
-  g_object_unref (sorter);
   g_object_unref (sort);
-  g_object_unref (model);
 }
 
 static GtkSorter *