diff --git a/gtk/gtkfilechooserwidget.c b/gtk/gtkfilechooserwidget.c
index 749a4cd209..8b5cc443a9 100644
--- a/gtk/gtkfilechooserwidget.c
+++ b/gtk/gtkfilechooserwidget.c
@@ -214,8 +214,6 @@ typedef struct _GtkFileChooserWidgetClass   GtkFileChooserWidgetClass;
 struct _GtkFileChooserWidget
 {
   GtkWidget parent_instance;
-
-  GtkFileChooserWidgetPrivate *priv;
 };
 
 struct _GtkFileChooserWidgetClass
@@ -658,7 +656,7 @@ gtk_file_chooser_embed_default_iface_init (GtkFileChooserEmbedIface *iface)
 static void
 pending_select_files_free (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_slist_free_full (priv->pending_select_files, g_object_unref);
   priv->pending_select_files = NULL;
@@ -666,9 +664,9 @@ pending_select_files_free (GtkFileChooserWidget *impl)
 
 static void
 pending_select_files_add (GtkFileChooserWidget *impl,
-                          GFile                 *file)
+                          GFile                *file)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   priv->pending_select_files =
     g_slist_prepend (priv->pending_select_files, g_object_ref (file));
@@ -678,7 +676,7 @@ static void
 gtk_file_chooser_widget_finalize (GObject *object)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (object);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_clear_pointer (&priv->choices, g_hash_table_unref);
 
@@ -698,15 +696,13 @@ gtk_file_chooser_widget_finalize (GObject *object)
   stop_loading_and_clear_list_model (impl, FALSE);
   search_clear_model (impl, FALSE);
   recent_clear_model (impl, FALSE);
-  g_clear_object (&impl->priv->model_for_search);
+  g_clear_object (&priv->model_for_search);
 
   /* stopping the load above should have cleared this */
   g_assert (priv->load_timeout_id == 0);
 
   g_free (priv->preview_display_name);
 
-  impl->priv = NULL;
-
   G_OBJECT_CLASS (gtk_file_chooser_widget_parent_class)->finalize (object);
 }
 
@@ -899,7 +895,7 @@ emit_default_size_changed (GtkFileChooserWidget *impl)
 static void
 update_preview_widget_visibility (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->use_preview_label)
     {
@@ -932,7 +928,7 @@ static void
 set_preview_widget (GtkFileChooserWidget *impl,
                     GtkWidget             *preview_widget)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (preview_widget == priv->preview_widget)
     return;
@@ -956,7 +952,7 @@ new_folder_popover_active (GtkWidget            *button,
                            GParamSpec           *pspec,
                            GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_editable_set_text (GTK_EDITABLE (priv->new_folder_name_entry), "");
   gtk_widget_set_sensitive (priv->new_folder_create_button, FALSE);
@@ -983,7 +979,7 @@ name_exists_get_info_cb (GCancellable *cancellable,
 {
   struct FileExistsData *data = user_data;
   GtkFileChooserWidget *impl = data->impl;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (cancellable != priv->file_exists_get_info_cancellable)
     goto out;
@@ -1022,7 +1018,7 @@ check_valid_child_name (GtkFileChooserWidget *impl,
                         GtkWidget            *error_stack,
                         GtkWidget            *button)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkFileChooserErrorStack *stack = GTK_FILE_CHOOSER_ERROR_STACK (error_stack);
 
   gtk_widget_set_sensitive (button, FALSE);
@@ -1090,7 +1086,7 @@ static void
 new_folder_name_changed (GtkEditable          *editable,
                          GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   check_valid_child_name (impl,
                           priv->current_folder,
@@ -1105,7 +1101,7 @@ static void
 new_folder_create_clicked (GtkButton            *button,
                            GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GError *error = NULL;
   GFile *file;
   const gchar *name;
@@ -1169,7 +1165,7 @@ selection_check (GtkFileChooserWidget *impl,
                  gboolean              *all_files,
                  gboolean              *all_folders)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   struct selection_check_closure closure;
   GtkTreeSelection *selection;
 
@@ -1214,7 +1210,7 @@ places_sidebar_open_location_cb (GtkPlacesSidebar     *sidebar,
                                  GtkPlacesOpenFlags    open_flags,
                                  GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gboolean clear_entry;
 
   /* In the Save modes, we want to preserve what the user typed in the filename
@@ -1266,9 +1262,10 @@ should_trigger_location_entry (GtkFileChooserWidget *impl,
                                GdkModifierType       state,
                                const char          **string)
 {
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GdkModifierType no_text_input_mask;
 
-  if (impl->priv->operation_mode == OPERATION_MODE_SEARCH)
+  if (priv->operation_mode == OPERATION_MODE_SEARCH)
     return FALSE;
 
   no_text_input_mask =
@@ -1309,7 +1306,7 @@ key_press_cb (GtkEventControllerKey *controller,
               gpointer               data)
 {
   GtkFileChooserWidget *impl = (GtkFileChooserWidget *) data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   const char *string;
 
   if (should_trigger_location_entry (impl, keyval, state, &string) &&
@@ -1357,7 +1354,7 @@ widget_key_press_cb (GtkEventControllerKey *controller,
                      gpointer               data)
 {
   GtkFileChooserWidget *impl = (GtkFileChooserWidget *) data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gboolean handled = FALSE;
   const char *string;
 
@@ -1396,7 +1393,7 @@ add_bookmark_foreach_cb (GtkTreeModel *model,
                          gpointer      data)
 {
   GtkFileChooserWidget *impl = (GtkFileChooserWidget *) data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GFile *file;
 
   gtk_tree_model_get (model, iter,
@@ -1415,7 +1412,7 @@ add_to_shortcuts_cb (GSimpleAction *action,
                      gpointer       data)
 {
   GtkFileChooserWidget *impl = data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
 
   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->browse_files_tree_view));
@@ -1487,7 +1484,7 @@ delete_file_cb (GSimpleAction *action,
                 gpointer       data)
 {
   GtkFileChooserWidget *impl = data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
 
   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->browse_files_tree_view));
@@ -1517,7 +1514,7 @@ trash_file_cb (GSimpleAction *action,
                gpointer       data)
 {
   GtkFileChooserWidget *impl = data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
 
   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->browse_files_tree_view));
@@ -1528,7 +1525,7 @@ static void
 rename_file_name_changed (GtkEntry             *entry,
                           GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GFileType file_type;
 
   file_type = g_file_query_file_type (priv->rename_file_source_file,
@@ -1547,14 +1544,15 @@ static void
 rename_file_end (GtkPopover           *popover,
                  GtkFileChooserWidget *impl)
 {
-  g_object_unref (impl->priv->rename_file_source_file);
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
+  g_object_unref (priv->rename_file_source_file);
 }
 
 static void
 rename_file_rename_clicked (GtkButton            *button,
                             GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GFile *dest;
   const gchar* new_name;
 
@@ -1589,7 +1587,7 @@ rename_selected_cb (GtkTreeModel *model,
                     gpointer      data)
 {
   GtkFileChooserWidget *impl = data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GdkRectangle rect;
   gchar *filename;
 
@@ -1618,7 +1616,7 @@ rename_file_cb (GSimpleAction *action,
                 gpointer       data)
 {
   GtkFileChooserWidget *impl = data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
 
   /* insensitive until we change the name */
@@ -1716,7 +1714,7 @@ change_show_size_state (GSimpleAction *action,
                         gpointer       data)
 {
   GtkFileChooserWidget *impl = data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_simple_action_set_state (action, state);
   priv->show_size_column = g_variant_get_boolean (state);
@@ -1731,7 +1729,7 @@ change_sort_directories_first_state (GSimpleAction *action,
                                      gpointer       data)
 {
   GtkFileChooserWidget *impl = data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSortable *sortable;
 
   g_simple_action_set_state (action, state);
@@ -1754,7 +1752,7 @@ static void
 clear_model_cache (GtkFileChooserWidget *impl,
                    gint                  column)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->browse_files_model)
     _gtk_file_system_model_clear_cache (priv->browse_files_model, column);
@@ -1770,7 +1768,7 @@ static void
 set_model_filter (GtkFileChooserWidget *impl,
                   GtkFileFilter        *filter)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->browse_files_model)
     _gtk_file_system_model_set_filter (priv->browse_files_model, filter);
@@ -1785,7 +1783,7 @@ set_model_filter (GtkFileChooserWidget *impl,
 static void
 update_time_renderer_visible (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_object_set (priv->list_time_renderer,
                 "visible", priv->show_time,
@@ -1801,7 +1799,7 @@ change_show_time_state (GSimpleAction *action,
                         gpointer       data)
 {
   GtkFileChooserWidget *impl = data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_simple_action_set_state (action, state);
   priv->show_time = g_variant_get_boolean (state);
@@ -1859,7 +1857,7 @@ file_list_drag_data_received_get_info_cb (GCancellable *cancellable,
   gboolean cancelled = g_cancellable_is_cancelled (cancellable);
   struct FileListDragData *data = user_data;
   GtkFileChooser *chooser = GTK_FILE_CHOOSER (data->impl);
-  GtkFileChooserWidgetPrivate *priv = data->impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (data->impl);
 
   if (cancellable != priv->file_list_drag_data_received_cancellable)
     goto out;
@@ -1904,7 +1902,7 @@ file_list_drag_data_received_cb (GtkWidget        *widget,
                                  gpointer          user_data)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (user_data);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gchar **uris;
   char *uri;
   GFile *file;
@@ -1962,7 +1960,9 @@ file_list_drag_begin_cb (GtkWidget            *widget,
                          GdkDrag              *drag,
                          GtkFileChooserWidget *impl)
 {
-  gtk_places_sidebar_set_drop_targets_visible (GTK_PLACES_SIDEBAR (impl->priv->places_sidebar),
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
+
+  gtk_places_sidebar_set_drop_targets_visible (GTK_PLACES_SIDEBAR (priv->places_sidebar),
                                                TRUE,
                                                drag);
 }
@@ -1985,10 +1985,10 @@ file_list_drag_end_cb (GtkWidget      *widget,
                        GdkDrag        *drag,
                        gpointer        user_data)
 {
-  GtkFileChooserWidget *impl;
+  GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (user_data);
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
-  impl = GTK_FILE_CHOOSER_WIDGET (user_data);
-  gtk_places_sidebar_set_drop_targets_visible (GTK_PLACES_SIDEBAR (impl->priv->places_sidebar),
+  gtk_places_sidebar_set_drop_targets_visible (GTK_PLACES_SIDEBAR (priv->places_sidebar),
                                                FALSE,
                                                drag);
 }
@@ -1999,7 +1999,7 @@ file_list_drag_end_cb (GtkWidget      *widget,
 static void
 check_file_list_popover_sensitivity (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gint num_selected;
   gboolean all_files;
   gboolean all_folders;
@@ -2099,13 +2099,14 @@ static GActionEntry entries[] = {
 static void
 add_actions (GtkFileChooserWidget *impl)
 {
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GActionGroup *actions;
 
   actions = G_ACTION_GROUP (g_simple_action_group_new ());
   g_action_map_add_action_entries (G_ACTION_MAP (actions),
                                    entries, G_N_ELEMENTS (entries),
                                    impl);
-  gtk_widget_insert_action_group (GTK_WIDGET (impl->priv->browse_files_tree_view), "item", actions);
+  gtk_widget_insert_action_group (GTK_WIDGET (priv->browse_files_tree_view), "item", actions);
   g_object_unref (actions);
 }
 
@@ -2148,7 +2149,7 @@ add_button (GtkWidget   *box,
 static void
 file_list_build_popover (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkWidget *box;
 
   if (priv->browse_files_popover)
@@ -2179,7 +2180,7 @@ file_list_build_popover (GtkFileChooserWidget *impl)
 static void
 file_list_update_popover (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GActionGroup *actions;
   GAction *action;
 
@@ -2220,7 +2221,7 @@ file_list_show_popover (GtkFileChooserWidget *impl,
                         gdouble               x,
                         gdouble               y)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GdkRectangle rect;
   GtkTreeSelection *selection;
   GtkTreeModel *model;
@@ -2266,7 +2267,7 @@ static gboolean
 list_popup_menu_cb (GtkWidget            *widget,
                     GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   graphene_rect_t bounds;
 
   if (gtk_widget_compute_bounds (priv->browse_files_tree_view,
@@ -2339,7 +2340,7 @@ typedef struct {
 static void
 file_list_set_sort_column_ids (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_tree_view_set_search_column (GTK_TREE_VIEW (priv->browse_files_tree_view), -1);
 
@@ -2358,7 +2359,7 @@ file_list_query_tooltip_cb (GtkWidget  *widget,
                             gpointer    user_data)
 {
   GtkFileChooserWidget *impl = user_data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeModel *model;
   GtkTreePath *path;
   GtkTreeIter iter;
@@ -2401,7 +2402,7 @@ file_list_query_tooltip_cb (GtkWidget  *widget,
 static void
 set_icon_cell_renderer_fixed_size (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gint xpad, ypad;
 
   gtk_cell_renderer_get_padding (priv->list_pixbuf_renderer, &xpad, &ypad);
@@ -2414,7 +2415,7 @@ static gboolean
 location_changed_timeout_cb (gpointer user_data)
 {
   GtkFileChooserWidget *impl = user_data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER (impl));
   check_preview_change (impl);
@@ -2428,7 +2429,7 @@ location_changed_timeout_cb (gpointer user_data)
 static void
 reset_location_timeout (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->location_changed_id > 0)
     g_source_remove (priv->location_changed_id);
@@ -2442,7 +2443,7 @@ static void
 location_entry_changed_cb (GtkEditable          *editable,
                            GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->operation_mode == OPERATION_MODE_SEARCH)
     {
@@ -2467,7 +2468,7 @@ location_entry_close_clicked (GtkFileChooserWidget *impl)
 static void
 location_entry_setup (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->action == GTK_FILE_CHOOSER_ACTION_OPEN ||
       priv->action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER)
@@ -2490,7 +2491,7 @@ location_entry_setup (GtkFileChooserWidget *impl)
 static void
 location_entry_disconnect (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->location_entry)
     g_signal_handlers_disconnect_by_func (priv->location_entry, location_entry_changed_cb, impl);
@@ -2499,7 +2500,7 @@ location_entry_disconnect (GtkFileChooserWidget *impl)
 static void
 location_entry_create (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (!priv->location_entry)
     {
@@ -2530,7 +2531,7 @@ forward_key (GtkEventControllerKey *key,
 static void
 save_widgets_create (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkWidget *vbox;
   GtkWidget *widget;
 
@@ -2585,7 +2586,7 @@ save_widgets_create (GtkFileChooserWidget *impl)
 static void
 save_widgets_destroy (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->external_entry && priv->external_entry == priv->location_entry)
     {
@@ -2611,7 +2612,7 @@ save_widgets_destroy (GtkFileChooserWidget *impl)
 static void
 location_switch_to_path_bar (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->location_entry)
     {
@@ -2629,7 +2630,7 @@ location_switch_to_path_bar (GtkFileChooserWidget *impl)
 static void
 location_switch_to_filename_entry (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   /* when in search or recent files mode, we are not showing the
    * browse_header_box container, so there's no point in switching
@@ -2662,7 +2663,7 @@ static void
 location_mode_set (GtkFileChooserWidget *impl,
                    LocationMode new_mode)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->action == GTK_FILE_CHOOSER_ACTION_OPEN ||
       priv->action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER)
@@ -2715,7 +2716,7 @@ places_sidebar_show_other_locations_with_flags_cb (GtkPlacesSidebar     *sidebar
                                                    GtkPlacesOpenFlags    open_flags,
                                                    GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   priv->preview_widget_active = FALSE;
 
@@ -2727,7 +2728,7 @@ places_sidebar_show_other_locations_with_flags_cb (GtkPlacesSidebar     *sidebar
 static void
 location_toggle_popup_handler (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if ((priv->operation_mode == OPERATION_MODE_RECENT ||
        priv->operation_mode == OPERATION_MODE_SEARCH) &&
@@ -2766,7 +2767,7 @@ static void
 gtk_file_chooser_widget_constructed (GObject *object)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (object);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   profile_start ("start", NULL);
 
@@ -2782,9 +2783,11 @@ gtk_file_chooser_widget_constructed (GObject *object)
 static void
 update_extra_and_filters (GtkFileChooserWidget *impl)
 {
-  gtk_widget_set_visible (impl->priv->extra_and_filters,
-                          gtk_widget_get_visible (impl->priv->extra_align) ||
-                          gtk_widget_get_visible (impl->priv->filter_combo_hbox));
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
+
+  gtk_widget_set_visible (priv->extra_and_filters,
+                          gtk_widget_get_visible (priv->extra_align) ||
+                          gtk_widget_get_visible (priv->filter_combo_hbox));
 }
 
 /* Sets the extra_widget by packing it in the appropriate place */
@@ -2792,7 +2795,7 @@ static void
 set_extra_widget (GtkFileChooserWidget *impl,
                   GtkWidget             *extra_widget)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (extra_widget)
     g_object_ref (extra_widget);
@@ -2836,7 +2839,7 @@ static void
 set_local_only (GtkFileChooserWidget *impl,
                 gboolean               local_only)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (local_only != priv->local_only)
     {
@@ -2865,7 +2868,7 @@ set_select_multiple (GtkFileChooserWidget *impl,
                      gboolean               select_multiple,
                      gboolean               property_notify)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
   GtkSelectionMode mode;
 
@@ -2888,7 +2891,7 @@ set_select_multiple (GtkFileChooserWidget *impl,
 static void
 set_file_system_backend (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   profile_start ("start for backend", "default");
 
@@ -2900,7 +2903,7 @@ set_file_system_backend (GtkFileChooserWidget *impl)
 static void
 unset_file_system_backend (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_object_unref (priv->file_system);
 
@@ -2911,7 +2914,7 @@ unset_file_system_backend (GtkFileChooserWidget *impl)
 static void
 put_recent_folder_in_pathbar (GtkFileChooserWidget *impl, GtkTreeIter *iter)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GFile *file;
 
   gtk_tree_model_get (GTK_TREE_MODEL (priv->recent_model), iter,
@@ -2930,7 +2933,7 @@ put_recent_folder_in_pathbar (GtkFileChooserWidget *impl, GtkTreeIter *iter)
 static void
 location_bar_update (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gboolean visible = TRUE;
   gboolean create_folder_visible = FALSE;
 
@@ -2986,19 +2989,21 @@ static void
 operation_mode_stop (GtkFileChooserWidget *impl,
                      OperationMode         mode)
 {
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
+
   if (mode == OPERATION_MODE_SEARCH)
     {
-      g_clear_object (&impl->priv->model_for_search);
+      g_clear_object (&priv->model_for_search);
       search_stop_searching (impl, TRUE);
       search_clear_model (impl, TRUE);
-      gtk_widget_hide (impl->priv->remote_warning_bar);
+      gtk_widget_hide (priv->remote_warning_bar);
     }
 }
 
 static void
 operation_mode_set_enter_location (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_stack_set_visible_child_name (GTK_STACK (priv->browse_files_stack), "list");
   gtk_stack_set_visible_child_name (GTK_STACK (priv->browse_header_stack), "location");
@@ -3011,7 +3016,7 @@ operation_mode_set_enter_location (GtkFileChooserWidget *impl)
 static void
 operation_mode_set_browse (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_places_sidebar_set_location (GTK_PLACES_SIDEBAR (priv->places_sidebar), priv->current_folder);
   gtk_stack_set_visible_child_name (GTK_STACK (priv->browse_files_stack), "list");
@@ -3025,7 +3030,7 @@ operation_mode_set_browse (GtkFileChooserWidget *impl)
 static void
 operation_mode_set_search (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkWidget *visible_widget;
 
   g_assert (priv->search_model == NULL);
@@ -3049,7 +3054,7 @@ operation_mode_set_search (GtkFileChooserWidget *impl)
 static void
 operation_mode_set_recent (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GFile *file;
 
   gtk_stack_set_visible_child_name (GTK_STACK (priv->browse_files_stack), "list");
@@ -3067,7 +3072,7 @@ operation_mode_set_recent (GtkFileChooserWidget *impl)
 static void
 operation_mode_set_other_locations (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_stack_set_visible_child_name (GTK_STACK (priv->browse_files_stack), "other_locations");
   gtk_stack_set_visible_child_name (GTK_STACK (priv->browse_header_stack), "pathbar");
@@ -3084,7 +3089,7 @@ operation_mode_set_other_locations (GtkFileChooserWidget *impl)
 static void
 operation_mode_set (GtkFileChooserWidget *impl, OperationMode mode)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   OperationMode old_mode;
 
   operation_mode_stop (impl, priv->operation_mode);
@@ -3133,7 +3138,7 @@ operation_mode_set (GtkFileChooserWidget *impl, OperationMode mode)
 static void
 update_appearance (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->action == GTK_FILE_CHOOSER_ACTION_SAVE ||
       priv->action == GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER)
@@ -3174,7 +3179,7 @@ update_appearance (GtkFileChooserWidget *impl)
 static gchar *
 gtk_file_chooser_widget_get_subtitle (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gchar *subtitle = NULL;
 
   if (priv->operation_mode == OPERATION_MODE_SEARCH)
@@ -3223,7 +3228,7 @@ static void
 set_show_hidden (GtkFileChooserWidget *impl,
                  gboolean              show_hidden)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->show_hidden != show_hidden)
     {
@@ -3242,7 +3247,7 @@ gtk_file_chooser_widget_set_property (GObject      *object,
 
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (object);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   switch (prop_id)
     {
@@ -3368,7 +3373,7 @@ gtk_file_chooser_widget_get_property (GObject    *object,
                                        GParamSpec *pspec)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (object);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   switch (prop_id)
     {
@@ -3434,7 +3439,7 @@ gtk_file_chooser_widget_get_property (GObject    *object,
 static void
 cancel_all_operations (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   pending_select_files_free (impl);
 
@@ -3452,7 +3457,7 @@ static void
 remove_settings_signal (GtkFileChooserWidget *impl,
                         GdkDisplay           *display)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->settings_signal_id)
     {
@@ -3469,7 +3474,7 @@ static void
 gtk_file_chooser_widget_dispose (GObject *object)
 {
   GtkFileChooserWidget *impl = (GtkFileChooserWidget *) object;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   cancel_all_operations (impl);
 
@@ -3500,7 +3505,7 @@ toplevel_set_focus_cb (GtkWindow            *window,
                        GParamSpec           *pspec,
                        GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   priv->toplevel_last_focus_widget = priv->toplevel_current_focus_widget;
   priv->toplevel_current_focus_widget = gtk_root_get_focus (GTK_ROOT (window));
@@ -3513,7 +3518,7 @@ static void
 gtk_file_chooser_widget_root (GtkWidget *widget)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (widget);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkWidget *toplevel;
 
   GTK_WIDGET_CLASS (gtk_file_chooser_widget_parent_class)->root (widget);
@@ -3531,7 +3536,7 @@ static void
 gtk_file_chooser_widget_unroot (GtkWidget *widget)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (widget);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkWidget *toplevel;
 
   toplevel = gtk_widget_get_toplevel (widget);
@@ -3554,7 +3559,7 @@ gtk_file_chooser_widget_unroot (GtkWidget *widget)
 static void
 change_icon_theme (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   profile_start ("start", NULL);
 
@@ -3591,7 +3596,7 @@ settings_notify_cb (GObject               *object,
 static void
 check_icon_theme (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkSettings *settings;
 
   profile_start ("start", NULL);
@@ -3634,7 +3639,7 @@ gtk_file_chooser_widget_style_updated (GtkWidget *widget)
 static void
 set_sort_column (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSortable *sortable;
 
   sortable = GTK_TREE_SORTABLE (gtk_tree_view_get_model (GTK_TREE_VIEW (priv->browse_files_tree_view)));
@@ -3651,7 +3656,7 @@ set_sort_column (GtkFileChooserWidget *impl)
 static void
 settings_load (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gboolean show_hidden;
   gboolean show_size_column;
   gboolean sort_directories_first;
@@ -3705,7 +3710,7 @@ settings_load (GtkFileChooserWidget *impl)
 static void
 settings_save (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GSettings *settings;
 
   settings = _gtk_file_chooser_get_settings_for_widget (GTK_WIDGET (impl));
@@ -3768,7 +3773,7 @@ recent_files_setting_is_enabled (GtkFileChooserWidget *impl)
 static void
 set_startup_mode (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkRevealerTransitionType revealer_transition;
   GtkStackTransitionType stack_transition;
 
@@ -3809,7 +3814,7 @@ set_startup_mode (GtkFileChooserWidget *impl)
 static gboolean
 shortcut_exists (GtkFileChooserWidget *impl, GFile *needle)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GSList *haystack;
   GSList *l;
   gboolean exists;
@@ -3836,7 +3841,7 @@ shortcut_exists (GtkFileChooserWidget *impl, GFile *needle)
 static void
 add_cwd_to_sidebar_if_needed (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   char *cwd;
   GFile *cwd_file;
   GFile *home_file;
@@ -3870,7 +3875,7 @@ static void
 gtk_file_chooser_widget_map (GtkWidget *widget)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (widget);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   profile_start ("start", NULL);
 
@@ -3907,7 +3912,7 @@ static void
 gtk_file_chooser_widget_unmap (GtkWidget *widget)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (widget);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   settings_save (impl);
 
@@ -3923,7 +3928,7 @@ compare_directory (GtkFileSystemModel   *model,
                    GtkTreeIter          *b,
                    GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gboolean dir_a, dir_b;
 
   dir_a = g_value_get_boolean (_gtk_file_system_model_get_value (model, a, MODEL_COL_IS_FOLDER));
@@ -4107,7 +4112,7 @@ static void
 list_sort_column_changed_cb (GtkTreeSortable       *sortable,
                              GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gint sort_column_id;
   GtkSortType sort_type;
 
@@ -4142,7 +4147,7 @@ update_columns (GtkFileChooserWidget *impl,
                 gboolean              location_visible,
                 const gchar          *time_title)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gboolean need_resize = FALSE;
 
   if (gtk_tree_view_column_get_visible (priv->list_location_column) != location_visible)
@@ -4170,7 +4175,7 @@ update_columns (GtkFileChooserWidget *impl,
 static void
 load_set_model (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   profile_start ("start", NULL);
 
@@ -4195,7 +4200,7 @@ static gboolean
 load_timeout_cb (gpointer data)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (data);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   profile_start ("start", NULL);
 
@@ -4217,7 +4222,7 @@ load_timeout_cb (gpointer data)
 static void
 load_setup_timer (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_assert (priv->load_timeout_id == 0);
   g_assert (priv->load_state != LOAD_PRELOAD);
@@ -4231,7 +4236,7 @@ load_setup_timer (GtkFileChooserWidget *impl)
 static void
 load_remove_timer (GtkFileChooserWidget *impl, LoadState new_load_state)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->load_timeout_id != 0)
     {
@@ -4255,7 +4260,7 @@ load_remove_timer (GtkFileChooserWidget *impl, LoadState new_load_state)
 static void
 browse_files_select_first_row (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreePath *path;
   GtkTreeIter dummy_iter;
   GtkTreeModel *tree_model;
@@ -4300,13 +4305,13 @@ center_selected_row_foreach_cb (GtkTreeModel      *model,
                                 GtkTreeIter       *iter,
                                 gpointer           data)
 {
-  struct center_selected_row_closure *closure;
+  struct center_selected_row_closure *closure = data;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (closure->impl);
 
-  closure = data;
   if (closure->already_centered)
     return;
 
-  gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (closure->impl->priv->browse_files_tree_view), path, NULL, TRUE, 0.5, 0.0);
+  gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (priv->browse_files_tree_view), path, NULL, TRUE, 0.5, 0.0);
   closure->already_centered = TRUE;
 }
 
@@ -4314,7 +4319,7 @@ center_selected_row_foreach_cb (GtkTreeModel      *model,
 static void
 browse_files_center_selected_row (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   struct center_selected_row_closure closure;
   GtkTreeSelection *selection;
 
@@ -4329,7 +4334,7 @@ static gboolean
 show_and_select_files (GtkFileChooserWidget *impl,
                        GSList               *files)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
   GtkFileSystemModel *fsmodel;
   gboolean enabled_hidden, removed_filters;
@@ -4415,7 +4420,7 @@ show_and_select_files (GtkFileChooserWidget *impl,
 static void
 pending_select_files_process (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_assert (priv->load_state == LOAD_FINISHED);
   g_assert (priv->browse_files_model != NULL);
@@ -4446,7 +4451,7 @@ pending_select_files_process (GtkFileChooserWidget *impl)
 static void
 show_error_on_reading_current_folder (GtkFileChooserWidget *impl, GError *error)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GFileInfo *info;
   char *msg;
 
@@ -4473,7 +4478,7 @@ browse_files_model_finished_loading_cb (GtkFileSystemModel   *model,
                                         GError               *error,
                                         GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   profile_start ("start", NULL);
 
@@ -4518,7 +4523,7 @@ static void
 stop_loading_and_clear_list_model (GtkFileChooserWidget *impl,
                                    gboolean              remove)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   load_remove_timer (impl, LOAD_EMPTY);
 
@@ -4698,7 +4703,7 @@ file_system_model_set (GtkFileSystemModel *model,
                        gpointer            data)
 {
   GtkFileChooserWidget *impl = data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   switch (column)
     {
@@ -4902,7 +4907,7 @@ static gboolean
 set_list_model (GtkFileChooserWidget  *impl,
                 GError               **error)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_assert (priv->current_folder != NULL);
 
@@ -4988,7 +4993,7 @@ update_chooser_entry_selected_foreach (GtkTreeModel *model,
 static void
 update_chooser_entry (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
   struct update_chooser_entry_selected_foreach_closure closure;
 
@@ -5154,7 +5159,7 @@ update_current_folder_mount_enclosing_volume_cb (GCancellable        *cancellabl
 {
   struct UpdateCurrentFolderData *data = user_data;
   GtkFileChooserWidget *impl = data->impl;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gboolean cancelled = g_cancellable_is_cancelled (cancellable);
 
   if (cancellable != priv->update_current_folder_cancellable)
@@ -5192,7 +5197,7 @@ update_current_folder_get_info_cb (GCancellable *cancellable,
   gboolean cancelled = g_cancellable_is_cancelled (cancellable);
   struct UpdateCurrentFolderData *data = user_data;
   GtkFileChooserWidget *impl = data->impl;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (cancellable != priv->update_current_folder_cancellable)
     goto out;
@@ -5348,7 +5353,7 @@ gtk_file_chooser_widget_update_current_folder (GtkFileChooser  *chooser,
                                                GError        **error)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   struct UpdateCurrentFolderData *data;
 
   profile_start ("start", NULL);
@@ -5398,7 +5403,7 @@ static GFile *
 gtk_file_chooser_widget_get_current_folder (GtkFileChooser *chooser)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->operation_mode == OPERATION_MODE_RECENT)
     return NULL;
@@ -5414,7 +5419,7 @@ gtk_file_chooser_widget_set_current_name (GtkFileChooser *chooser,
                                           const gchar    *name)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_return_if_fail (priv->action == GTK_FILE_CHOOSER_ACTION_SAVE ||
                     priv->action == GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER);
@@ -5427,7 +5432,7 @@ static gchar *
 gtk_file_chooser_widget_get_current_name (GtkFileChooser *chooser)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_return_val_if_fail (priv->action == GTK_FILE_CHOOSER_ACTION_SAVE ||
                         priv->action == GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER,
@@ -5442,7 +5447,7 @@ gtk_file_chooser_widget_select_file (GtkFileChooser  *chooser,
                                      GError         **error)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GFile *parent_file;
   gboolean same_path;
   GtkFileSystemModel *fsmodel;
@@ -5504,7 +5509,7 @@ gtk_file_chooser_widget_unselect_file (GtkFileChooser *chooser,
                                        GFile          *file)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeView *tree_view;
   GtkTreeModel *model;
   GtkTreeIter iter;
@@ -5527,7 +5532,7 @@ maybe_select (GtkTreeModel *model,
               gpointer      data)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (data);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
   gboolean is_sensitive;
   gboolean is_folder;
@@ -5553,7 +5558,7 @@ static void
 gtk_file_chooser_widget_select_all (GtkFileChooser *chooser)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->operation_mode == OPERATION_MODE_SEARCH ||
       priv->operation_mode == OPERATION_MODE_RECENT)
@@ -5574,7 +5579,7 @@ static void
 gtk_file_chooser_widget_unselect_all (GtkFileChooser *chooser)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->browse_files_tree_view));
 
   gtk_tree_selection_unselect_all (selection);
@@ -5598,7 +5603,7 @@ check_save_entry (GtkFileChooserWidget  *impl,
                   gboolean              *is_file_part_empty_ret,
                   gboolean              *is_folder)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkFileChooserEntry *chooser_entry;
   GFile *current_folder;
   const char *file_part;
@@ -5702,7 +5707,7 @@ static GSList *
 gtk_file_chooser_widget_get_files (GtkFileChooser *chooser)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   struct get_files_closure info;
   GtkWindow *toplevel;
   GtkWidget *current_focus;
@@ -5812,7 +5817,7 @@ GFile *
 gtk_file_chooser_widget_get_preview_file (GtkFileChooser *chooser)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->preview_file)
     return g_object_ref (priv->preview_file);
@@ -5824,7 +5829,7 @@ static GtkFileSystem *
 gtk_file_chooser_widget_get_file_system (GtkFileChooser *chooser)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   return priv->file_system;
 }
@@ -5834,7 +5839,7 @@ static void
 show_filters (GtkFileChooserWidget *impl,
               gboolean              show)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_widget_set_visible (priv->filter_combo_hbox, show);
   update_extra_and_filters (impl);
@@ -5845,7 +5850,7 @@ gtk_file_chooser_widget_add_filter (GtkFileChooser *chooser,
                                     GtkFileFilter  *filter)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   const gchar *name;
 
   if (g_slist_find (priv->filters, filter))
@@ -5874,7 +5879,7 @@ gtk_file_chooser_widget_remove_filter (GtkFileChooser *chooser,
                                        GtkFileFilter  *filter)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeModel *model;
   GtkTreeIter iter;
   gint filter_index;
@@ -5914,7 +5919,7 @@ static GSList *
 gtk_file_chooser_widget_list_filters (GtkFileChooser *chooser)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   return g_slist_copy (priv->filters);
 }
@@ -5925,7 +5930,7 @@ gtk_file_chooser_widget_add_shortcut_folder (GtkFileChooser  *chooser,
                                              GError         **error)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_places_sidebar_add_shortcut (GTK_PLACES_SIDEBAR (priv->places_sidebar), file);
   return TRUE;
@@ -5937,7 +5942,7 @@ gtk_file_chooser_widget_remove_shortcut_folder (GtkFileChooser  *chooser,
                                                 GError         **error)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_places_sidebar_remove_shortcut (GTK_PLACES_SIDEBAR (priv->places_sidebar), file);
   return TRUE;
@@ -5947,7 +5952,7 @@ static GSList *
 gtk_file_chooser_widget_list_shortcut_folders (GtkFileChooser *chooser)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   return gtk_places_sidebar_list_shortcuts (GTK_PLACES_SIDEBAR (priv->places_sidebar));
 }
@@ -5983,7 +5988,7 @@ gtk_file_chooser_widget_get_default_size (GtkFileChooserEmbed *chooser_embed,
                                           gint                *default_height)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser_embed);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkRequisition req;
   int width, height;
   GSettings *settings;
@@ -6044,7 +6049,7 @@ switch_folder_foreach_cb (GtkTreeModel *model,
 static void
 switch_to_selected_folder (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
   struct switch_folder_closure closure;
 
@@ -6071,7 +6076,7 @@ static GFileInfo *
 get_selected_file_info_from_file_list (GtkFileChooserWidget *impl,
                                        gboolean              *had_selection)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
   GtkTreeIter iter;
   GFileInfo *info;
@@ -6183,7 +6188,7 @@ confirmation_confirm_get_info_cb (GCancellable *cancellable,
   gboolean cancelled = g_cancellable_is_cancelled (cancellable);
   gboolean should_respond = FALSE;
   struct GetDisplayNameData *data = user_data;
-  GtkFileChooserWidgetPrivate *priv = data->impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (data->impl);
 
   if (cancellable != priv->should_respond_get_info_cancellable)
     goto out;
@@ -6219,7 +6224,7 @@ should_respond_after_confirm_overwrite (GtkFileChooserWidget *impl,
                                         const gchar          *file_part,
                                         GFile                *parent_file)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkFileChooserConfirmation conf;
 
   if (!priv->do_overwrite_confirmation)
@@ -6276,7 +6281,7 @@ name_entry_get_parent_info_cb (GCancellable *cancellable,
   gboolean cancelled = g_cancellable_is_cancelled (cancellable);
   struct FileExistsData *data = user_data;
   GtkFileChooserWidget *impl = data->impl;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (cancellable != priv->should_respond_get_info_cancellable)
     goto out;
@@ -6396,7 +6401,7 @@ file_exists_get_info_cb (GCancellable *cancellable,
   gboolean needs_parent_check = FALSE;
   struct FileExistsData *data = user_data;
   GtkFileChooserWidget *impl = data->impl;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (cancellable != priv->file_exists_get_info_cancellable)
     goto out;
@@ -6539,7 +6544,7 @@ location_popup_on_paste_handler (GtkFileChooserWidget *impl)
 static void
 add_selection_to_recent_list (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GSList *files;
   GSList *l;
 
@@ -6565,7 +6570,7 @@ static gboolean
 gtk_file_chooser_widget_should_respond (GtkFileChooserEmbed *chooser_embed)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser_embed);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkWidget *toplevel;
   GtkWidget *current_focus;
   gboolean retval;
@@ -6817,7 +6822,7 @@ static void
 gtk_file_chooser_widget_initial_focus (GtkFileChooserEmbed *chooser_embed)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser_embed);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkWidget *widget;
 
   if (priv->action == GTK_FILE_CHOOSER_ACTION_OPEN ||
@@ -6863,7 +6868,7 @@ selected_foreach_get_file_cb (GtkTreeModel *model,
 static GSList *
 get_selected_files (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GSList *result;
   GtkTreeSelection *selection;
 
@@ -6894,7 +6899,7 @@ selected_foreach_get_info_cb (GtkTreeModel *model,
 static GSList *
 get_selected_infos (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GSList *result;
   GtkTreeSelection *selection;
 
@@ -6913,6 +6918,7 @@ search_engine_hits_added_cb (GtkSearchEngine      *engine,
                              GList                *hits,
                              GtkFileChooserWidget *impl)
 {
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GList *l, *files, *files_with_info, *infos;
   GFile *file;
 
@@ -6932,16 +6938,16 @@ search_engine_hits_added_cb (GtkSearchEngine      *engine,
         files = g_list_prepend (files, file);
     }
 
-  _gtk_file_system_model_update_files (impl->priv->search_model,
+  _gtk_file_system_model_update_files (priv->search_model,
                                        files_with_info, infos);
-  _gtk_file_system_model_add_and_query_files (impl->priv->search_model,
+  _gtk_file_system_model_add_and_query_files (priv->search_model,
                                               files, MODEL_ATTRIBUTES);
 
   g_list_free_full (files, g_object_unref);
   g_list_free_full (files_with_info, g_object_unref);
   g_list_free_full (infos, g_object_unref);
 
-  gtk_stack_set_visible_child_name (GTK_STACK (impl->priv->browse_files_stack), "list");
+  gtk_stack_set_visible_child_name (GTK_STACK (priv->browse_files_stack), "list");
 }
 
 /* Callback used from GtkSearchEngine when the query is done running */
@@ -6950,7 +6956,7 @@ search_engine_finished_cb (GtkSearchEngine *engine,
                            gpointer         data)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (data);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   set_busy_cursor (impl, FALSE);
   gtk_widget_hide (priv->search_spinner);
@@ -6984,7 +6990,7 @@ static void
 search_clear_model (GtkFileChooserWidget *impl,
                     gboolean              remove)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (!priv->search_model)
     return;
@@ -7001,7 +7007,7 @@ static void
 search_stop_searching (GtkFileChooserWidget *impl,
                        gboolean              remove_query)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (remove_query && priv->search_entry)
     {
@@ -7029,7 +7035,7 @@ search_stop_searching (GtkFileChooserWidget *impl,
 static void
 search_setup_model (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_assert (priv->search_model == NULL);
 
@@ -7059,7 +7065,7 @@ static gboolean
 show_spinner (gpointer data)
 {
   GtkFileChooserWidget *impl = data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_widget_show (priv->search_spinner);
   gtk_spinner_start (GTK_SPINNER (priv->search_spinner));
@@ -7073,7 +7079,7 @@ static void
 search_start_query (GtkFileChooserWidget *impl,
                     const gchar          *query_text)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GFile *file;
 
   if (gtk_stack_get_visible_child (GTK_STACK (priv->browse_files_stack)) == priv->places_view)
@@ -7135,7 +7141,7 @@ search_start_query (GtkFileChooserWidget *impl,
 static void
 search_entry_activate_cb (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   const char *text;
 
   if (priv->operation_mode != OPERATION_MODE_SEARCH)
@@ -7157,19 +7163,21 @@ search_entry_activate_cb (GtkFileChooserWidget *impl)
 static void
 search_entry_stop_cb (GtkFileChooserWidget *impl)
 {
-  if (impl->priv->search_engine)
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
+
+  if (priv->search_engine)
     search_stop_searching (impl, FALSE);
   else
     g_object_set (impl, "search-mode", FALSE, NULL);
 
-  impl->priv->starting_search = FALSE;
+  priv->starting_search = FALSE;
 }
 
 /* Hides the path bar and creates the search entry */
 static void
 search_setup_widgets (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   /* if there already is a query, restart it */
   if (priv->search_query)
@@ -7199,7 +7207,7 @@ static void
 recent_clear_model (GtkFileChooserWidget *impl,
                     gboolean              remove)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (!priv->recent_model)
     return;
@@ -7216,7 +7224,7 @@ recent_clear_model (GtkFileChooserWidget *impl,
 static void
 recent_stop_loading (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->load_recent_id)
     {
@@ -7228,7 +7236,7 @@ recent_stop_loading (GtkFileChooserWidget *impl)
 static void
 recent_setup_model (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_assert (priv->recent_model == NULL);
 
@@ -7256,7 +7264,7 @@ recent_idle_cleanup (gpointer data)
 {
   RecentLoadData *load_data = data;
   GtkFileChooserWidget *impl = load_data->impl;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_tree_view_set_model (GTK_TREE_VIEW (priv->browse_files_tree_view),
                            GTK_TREE_MODEL (priv->recent_model));
@@ -7300,7 +7308,7 @@ static void
 populate_model_with_recent_items (GtkFileChooserWidget *impl,
                                   GList                *items)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gint limit;
   GList *l;
   gint n;
@@ -7335,7 +7343,7 @@ static void
 populate_model_with_folders (GtkFileChooserWidget *impl,
                              GList                *items)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GList *folders;
   GList *l;
 
@@ -7354,7 +7362,7 @@ recent_idle_load (gpointer data)
 {
   RecentLoadData *load_data = data;
   GtkFileChooserWidget *impl = load_data->impl;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (!priv->recent_manager)
     return FALSE;
@@ -7377,7 +7385,7 @@ recent_idle_load (gpointer data)
 static void
 recent_start_loading (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   RecentLoadData *load_data;
 
   recent_stop_loading (impl);
@@ -7405,7 +7413,7 @@ recent_start_loading (GtkFileChooserWidget *impl)
 static gboolean
 recent_should_respond (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
 
   g_assert (priv->operation_mode == OPERATION_MODE_RECENT);
@@ -7418,7 +7426,7 @@ static void
 set_current_filter (GtkFileChooserWidget *impl,
                     GtkFileFilter        *filter)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->current_filter != filter)
     {
@@ -7448,7 +7456,7 @@ static void
 filter_combo_changed (GtkComboBox          *combo_box,
                       GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   gint new_index;
   GtkFileFilter *new_filter;
 
@@ -7464,7 +7472,7 @@ filter_combo_changed (GtkComboBox          *combo_box,
 static void
 check_preview_change (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreePath *path;
   GFile *new_file;
   char *new_display_name;
@@ -7555,7 +7563,7 @@ list_select_func (GtkTreeSelection *selection,
                   gpointer          data)
 {
   GtkFileChooserWidget *impl = data;
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER ||
       priv->action == GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER)
@@ -7581,7 +7589,7 @@ static void
 list_selection_changed (GtkTreeSelection     *selection,
                         GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (gtk_tree_view_get_model (GTK_TREE_VIEW (priv->browse_files_tree_view)) == NULL)
     return;
@@ -7628,7 +7636,7 @@ list_row_activated (GtkTreeView          *tree_view,
                     GtkTreeViewColumn    *column,
                     GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GFile *file;
   GtkTreeIter iter;
   GtkTreeModel *model;
@@ -7686,7 +7694,7 @@ path_bar_clicked (GtkPathBar           *path_bar,
 static void
 update_cell_renderer_attributes (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_tree_view_column_set_attributes (priv->list_name_column,
                                        priv->list_pixbuf_renderer,
@@ -7731,7 +7739,7 @@ static void
 location_set_user_text (GtkFileChooserWidget *impl,
                         const gchar          *path)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   gtk_editable_set_text (GTK_EDITABLE (priv->location_entry), path);
   gtk_editable_set_position (GTK_EDITABLE (priv->location_entry), -1);
@@ -7741,7 +7749,7 @@ static void
 location_popup_handler (GtkFileChooserWidget *impl,
                         const gchar          *path)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->operation_mode != OPERATION_MODE_BROWSE)
     {
@@ -7776,7 +7784,7 @@ location_popup_handler (GtkFileChooserWidget *impl,
 static void
 up_folder_handler (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   _gtk_path_bar_up (GTK_PATH_BAR (priv->browse_path_bar));
 }
@@ -7785,7 +7793,7 @@ up_folder_handler (GtkFileChooserWidget *impl)
 static void
 down_folder_handler (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   _gtk_path_bar_down (GTK_PATH_BAR (priv->browse_path_bar));
 }
@@ -7817,7 +7825,7 @@ desktop_folder_handler (GtkFileChooserWidget *impl)
 static void
 search_shortcut_handler (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   if (priv->operation_mode == OPERATION_MODE_SEARCH)
     {
@@ -7842,14 +7850,16 @@ recent_shortcut_handler (GtkFileChooserWidget *impl)
 static void
 places_shortcut_handler (GtkFileChooserWidget *impl)
 {
-  gtk_widget_child_focus (impl->priv->places_sidebar, GTK_DIR_LEFT);
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
+
+  gtk_widget_child_focus (priv->places_sidebar, GTK_DIR_LEFT);
 }
 
 static void
 quick_bookmark_handler (GtkFileChooserWidget *impl,
                         gint                  bookmark_index)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GFile *file;
 
   file = gtk_places_sidebar_get_nth_bookmark (GTK_PLACES_SIDEBAR (priv->places_sidebar), bookmark_index);
@@ -7864,7 +7874,7 @@ quick_bookmark_handler (GtkFileChooserWidget *impl,
 static void
 show_hidden_handler (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_object_set (impl, "show-hidden", !priv->show_hidden, NULL);
 }
@@ -8339,27 +8349,28 @@ gtk_file_chooser_widget_class_init (GtkFileChooserWidgetClass *class)
 static void
 post_process_ui (GtkFileChooserWidget *impl)
 {
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkTreeSelection *selection;
   GtkCellRenderer  *cell;
   GList            *cells;
   GFile            *file;
 
   /* Setup file list treeview */
-  selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (impl->priv->browse_files_tree_view));
+  selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->browse_files_tree_view));
   gtk_tree_selection_set_select_function (selection,
                                           list_select_func,
                                           impl, NULL);
-  gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (impl->priv->browse_files_tree_view),
+  gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (priv->browse_files_tree_view),
                                           GDK_BUTTON1_MASK,
                                           NULL,
                                           GDK_ACTION_COPY | GDK_ACTION_MOVE);
-  gtk_drag_source_add_uri_targets (impl->priv->browse_files_tree_view);
+  gtk_drag_source_add_uri_targets (priv->browse_files_tree_view);
 
-  gtk_drag_dest_set (impl->priv->browse_files_tree_view,
+  gtk_drag_dest_set (priv->browse_files_tree_view,
                      GTK_DEST_DEFAULT_ALL,
                      NULL,
                      GDK_ACTION_COPY | GDK_ACTION_MOVE);
-  gtk_drag_dest_add_uri_targets (impl->priv->browse_files_tree_view);
+  gtk_drag_dest_add_uri_targets (priv->browse_files_tree_view);
 
   /* File browser treemodel columns are shared between GtkFileChooser implementations,
    * so we don't set cell renderer attributes in GtkBuilder, but rather keep that
@@ -8373,7 +8384,7 @@ post_process_ui (GtkFileChooserWidget *impl)
    * as an 'internal-child', then we could configure it in GtkBuilder
    * instead of hard coding it here.
    */
-  cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (impl->priv->filter_combo));
+  cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (priv->filter_combo));
   g_assert (cells);
   cell = cells->data;
   g_object_set (G_OBJECT (cell),
@@ -8383,9 +8394,9 @@ post_process_ui (GtkFileChooserWidget *impl)
   g_list_free (cells);
 
   /* Set the GtkPathBar file system backend */
-  _gtk_path_bar_set_file_system (GTK_PATH_BAR (impl->priv->browse_path_bar), impl->priv->file_system);
+  _gtk_path_bar_set_file_system (GTK_PATH_BAR (priv->browse_path_bar), priv->file_system);
   file = g_file_new_for_path ("/");
-  _gtk_path_bar_set_file (GTK_PATH_BAR (impl->priv->browse_path_bar), file, FALSE);
+  _gtk_path_bar_set_file (GTK_PATH_BAR (priv->browse_path_bar), file, FALSE);
   g_object_unref (file);
 
   /* Set the fixed size icon renderer, this requires
@@ -8393,20 +8404,20 @@ post_process_ui (GtkFileChooserWidget *impl)
    */
   set_icon_cell_renderer_fixed_size (impl);
 
-  gtk_popover_set_default_widget (GTK_POPOVER (impl->priv->new_folder_popover), impl->priv->new_folder_create_button);
-  gtk_popover_set_default_widget (GTK_POPOVER (impl->priv->rename_file_popover), impl->priv->rename_file_rename_button);
-  gtk_popover_set_relative_to (GTK_POPOVER (impl->priv->rename_file_popover), impl->priv->browse_files_tree_view);
+  gtk_popover_set_default_widget (GTK_POPOVER (priv->new_folder_popover), priv->new_folder_create_button);
+  gtk_popover_set_default_widget (GTK_POPOVER (priv->rename_file_popover), priv->rename_file_rename_button);
+  gtk_popover_set_relative_to (GTK_POPOVER (priv->rename_file_popover), priv->browse_files_tree_view);
 
   add_actions (impl);
 
-  gtk_search_entry_set_key_capture_widget (GTK_SEARCH_ENTRY (impl->priv->search_entry), impl->priv->search_entry);
+  gtk_search_entry_set_key_capture_widget (GTK_SEARCH_ENTRY (priv->search_entry), priv->search_entry);
 }
 
 void
 gtk_file_chooser_widget_set_save_entry (GtkFileChooserWidget *impl,
                                         GtkWidget            *entry)
 {
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   g_return_if_fail (GTK_IS_FILE_CHOOSER_WIDGET (impl));
   g_return_if_fail (entry == NULL || GTK_IS_FILE_CHOOSER_ENTRY (entry));
@@ -8424,15 +8435,12 @@ gtk_file_chooser_widget_set_save_entry (GtkFileChooserWidget *impl,
 static void
 gtk_file_chooser_widget_init (GtkFileChooserWidget *impl)
 {
-  GtkFileChooserWidgetPrivate *priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
 
   profile_start ("start", NULL);
 #ifdef PROFILE_FILE_CHOOSER
   access ("MARK: *** CREATE FILE CHOOSER", F_OK);
 #endif
-  impl->priv = gtk_file_chooser_widget_get_instance_private (impl);
-  priv = impl->priv;
-
   gtk_widget_set_has_surface (GTK_WIDGET (impl), FALSE);
 
   priv->local_only = FALSE;
@@ -8501,7 +8509,7 @@ gtk_file_chooser_widget_add_choice (GtkFileChooser  *chooser,
                                     const char     **option_labels)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkWidget *widget;
 
   if (priv->choices == NULL)
@@ -8553,7 +8561,7 @@ gtk_file_chooser_widget_remove_choice (GtkFileChooser  *chooser,
                                        const char      *id)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkWidget *widget;
 
   if (priv->choices == NULL)
@@ -8578,7 +8586,7 @@ gtk_file_chooser_widget_set_choice (GtkFileChooser  *chooser,
                                     const char      *option)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkWidget *widget;
 
   if (priv->choices == NULL)
@@ -8597,7 +8605,7 @@ gtk_file_chooser_widget_get_choice (GtkFileChooser  *chooser,
                                     const char      *id)
 {
   GtkFileChooserWidget *impl = GTK_FILE_CHOOSER_WIDGET (chooser);
-  GtkFileChooserWidgetPrivate *priv = impl->priv;
+  GtkFileChooserWidgetPrivate *priv = gtk_file_chooser_widget_get_instance_private (impl);
   GtkWidget *widget;
 
   if (priv->choices == NULL)