[GI] Add missing (transfer) annotations

gdk/gdkcursor.c

@@ -150,7 +150,7 @@ gdk_cursor_init (GdkCursor *cursor)
  *
  * Adds a reference to @cursor.
  *
- * Return value: Same @cursor that was passed in
+ * Return value: (transfer full): Same @cursor that was passed in
  *
  * Deprecated: 3.0: Use g_object_ref() instead
  */

gdk/gdkdisplay.c

@@ -1756,7 +1756,7 @@ gdk_display_real_get_app_launch_context (GdkDisplay *display)
  * Returns a #GdkAppLaunchContext suitable for launching
  * applications on the given display.
  *
- * Returns: a new #GdkAppLaunchContext for @display.
+ * Returns: (transfer full): a new #GdkAppLaunchContext for @display.
  *     Free with g_object_unref() when done
  *
  * Since: 3.0

gdk/gdkdisplaymanager.c

@@ -335,7 +335,7 @@ gdk_display_manager_open_display (GdkDisplayManager *manager,
  *
  * Finds or creates an atom corresponding to a given string.
  *
- * Returns: the atom corresponding to @atom_name.
+ * Returns: (transfer none): the atom corresponding to @atom_name.
  */
 GdkAtom
 gdk_atom_intern (const gchar *atom_name,
@@ -361,7 +361,7 @@ gdk_atom_intern (const gchar *atom_name,
  * ever unload the module again (e.g. do not use this function in
  * GTK+ theme engines).
  *
- * Returns: the atom corresponding to @atom_name
+ * Returns: (transfer none): the atom corresponding to @atom_name
  *
  * Since: 2.10
  */

gdk/gdkdnd.c

@@ -445,7 +445,7 @@ gdk_drag_drop_succeeded (GdkDragContext *context)
  *
  * Returns the selection atom for the current source window.
  *
- * Return value: the selection atom, or %GDK_NONE
+ * Return value: (transfer none): the selection atom, or %GDK_NONE
  */
 GdkAtom
 gdk_drag_get_selection (GdkDragContext *context)

gdk/gdkevents.c

@@ -1165,7 +1165,7 @@ gdk_event_set_source_device (GdkEvent  *event,
  * If the event does not contain a device field, this function will
  * return %NULL.
  *
- * Returns: a #GdkDevice, or %NULL
+ * Returns: (transfer none): a #GdkDevice, or %NULL.
  *
  * Since: 3.0
  **/

gdk/gdkoffscreenwindow.c

@@ -334,7 +334,7 @@ gdk_offscreen_window_get_device_state (GdkWindow       *window,
  * If you need to keep this around over window resizes, you need to
  * add a reference to it.
  *
- * Returns: The offscreen surface, or %NULL if not offscreen
+ * Returns: (transfer none): The offscreen surface, or %NULL if not offscreen
  */
 cairo_surface_t *
 gdk_offscreen_window_get_surface (GdkWindow *window)

gdk/gdkwindow.c

@@ -384,7 +384,8 @@ gdk_window_class_init (GdkWindowClass *klass)
    * The ::pick-embedded-child signal is emitted to find an embedded
    * child at the given position.
    *
-   * Returns: the #GdkWindow of the embedded child at @x, @y, or %NULL
+   * Returns: (transfer none): the #GdkWindow of the embedded child at
+   *     @x, @y, or %NULL
    *
    * Since: 2.18
    */
@@ -6584,8 +6585,8 @@ gdk_window_set_background_pattern (GdkWindow *window,
  * does not have its own background and reuses the parent's, %NULL is
  * returned and you'll have to query it yourself.
  *
- * Returns: The pattern to use for the background or %NULL to use the
- * parent's background.
+ * Returns: (transfer none): The pattern to use for the background or
+ *     %NULL to use the parent's background.
  *
  * Since: 2.22
  **/
@@ -6622,9 +6623,10 @@ update_cursor_foreach (GdkDisplay           *display,
  * there is no custom cursor set on the specified window, and it is
  * using the cursor for its parent window.
  *
- * Return value: a #GdkCursor, or %NULL. The returned object is owned
- *   by the #GdkWindow and should not be unreferenced directly. Use
- *   gdk_window_set_cursor() to unset the cursor of the window
+ * Return value: (transfer none): a #GdkCursor, or %NULL. The returned
+ *   object is owned by the #GdkWindow and should not be unreferenced
+ *   directly. Use gdk_window_set_cursor() to unset the cursor of the
+ *   window
  *
  * Since: 2.18
  */
@@ -6686,9 +6688,10 @@ gdk_window_set_cursor (GdkWindow *window,
  * there is no custom cursor set on the specified window, and it is
  * using the cursor for its parent window.
  *
- * Returns: a #GdkCursor, or %NULL. The returned object is owned
- *   by the #GdkWindow and should not be unreferenced directly. Use
- *   gdk_window_set_cursor() to unset the cursor of the window
+ * Returns: (transfer none): a #GdkCursor, or %NULL. The returned
+ *   object is owned by the #GdkWindow and should not be unreferenced
+ *   directly. Use gdk_window_set_cursor() to unset the cursor of the
+ *   window
  *
  * Since: 3.0
  **/

gdk/x11/gdkdisplay-x11.c

@@ -1854,7 +1854,8 @@ gdk_x11_lookup_xdisplay (Display *xdisplay)
  * Given the root window ID of one of the screen's of a #GdkDisplay,
  * finds the screen.
  * 
- * Return value: the #GdkScreen corresponding to @xrootwin, or %NULL.
+ * Return value: (transfer none): the #GdkScreen corresponding to
+ *     @xrootwin, or %NULL.
  **/
 GdkScreen *
 _gdk_x11_display_screen_for_xrootwin (GdkDisplay *display,

gdk/x11/gdkvisual-x11.c

@@ -462,8 +462,8 @@ _gdk_x11_screen_list_visuals (GdkScreen *screen)
  *
  * Looks up the #GdkVisual for a particular screen and X Visual ID.
  *
- * Returns: the #GdkVisual (owned by the screen object), or %NULL
- *   if the visual ID wasn't found.
+ * Returns: (transfer none): the #GdkVisual (owned by the screen
+ *   object), or %NULL if the visual ID wasn't found.
  *
  * Since: 2.2
  */

gtk/gtkaboutdialog.c

@@ -1706,9 +1706,9 @@ gtk_about_dialog_set_translator_credits (GtkAboutDialog *about,
  *
  * Returns the pixbuf displayed as logo in the about dialog.
  *
- * Return value: the pixbuf displayed as logo. The pixbuf is
- *   owned by the about dialog. If you want to keep a reference
- *   to it, you have to call g_object_ref() on it.
+ * Return value: (transfer none): the pixbuf displayed as logo. The
+ *   pixbuf is owned by the about dialog. If you want to keep a
+ *   reference to it, you have to call g_object_ref() on it.
  *
  * Since: 2.6
  */

gtk/gtkaccelgroup.c

@@ -378,8 +378,8 @@ gtk_accel_groups_from_object (GObject *object)
  * @find_func: (scope call): a function to filter the entries
  *    of @accel_group with
  * @data: data to pass to @find_func
- * @returns: the key of the first entry passing @find_func. The key is 
- * owned by GTK+ and must not be freed.
+ * @returns: (transfer none): the key of the first entry passing
+ *    @find_func. The key is owned by GTK+ and must not be freed.
  *
  * Finds the first entry in an accelerator group for which 
  * @find_func returns %TRUE and returns its #GtkAccelKey.
@@ -851,7 +851,8 @@ gtk_accel_group_query (GtkAccelGroup  *accel_group,
 /**
  * gtk_accel_group_from_accel_closure:
  * @closure: a #GClosure
- * @returns: (allow-none): the #GtkAccelGroup to which @closure is connected, or %NULL.
+ * @returns: (transfer none): the #GtkAccelGroup to which @closure
+ *     is connected, or %NULL.
  *
  * Finds the #GtkAccelGroup to which @closure is connected; 
  * see gtk_accel_group_connect().

gtk/gtkaction.c

@@ -1706,8 +1706,9 @@ gtk_action_get_accel_path (GtkAction *action)
  *
  * Since: 2.8
  *
- * Returns: the accel closure for this action. The returned closure is
- *          owned by GTK+ and must not be unreffed or modified.
+ * Returns: (transfer none): the accel closure for this action. The
+ *          returned closure is owned by GTK+ and must not be unreffed
+ *          or modified.
  */
 GClosure *
 gtk_action_get_accel_closure (GtkAction *action)

gtk/gtkbindings.c

@@ -650,7 +650,7 @@ gtk_binding_set_by_class (gpointer object_class)
  * either be a name used for gtk_binding_set_new() or the type name of
  * a class used in gtk_binding_set_by_class().
  *
- * Return value: %NULL or the specified binding set
+ * Return value: (transfer none): %NULL or the specified binding set
  */
 GtkBindingSet*
 gtk_binding_set_find (const gchar *set_name)

gtk/gtkcellarea.c

@@ -1907,7 +1907,7 @@ get_cell_by_position (GtkCellRenderer     *renderer,
  * Gets the #GtkCellRenderer at @x and @y coordinates inside @area and optionally
  * returns the full cell allocation for it inside @cell_area.
  *
- * Return value: the #GtkCellRenderer at @x and @y.
+ * Return value: (transfer none): the #GtkCellRenderer at @x and @y.
  *
  * Since: 3.0
  */
@@ -2433,8 +2433,8 @@ gtk_cell_area_class_install_cell_property (GtkCellAreaClass   *aclass,
  *
  * Finds a cell property of a cell area class by name.
  *
- * Return value: (allow-none): the #GParamSpec of the child property or %NULL if @aclass has no
- *   child property with that name.
+ * Return value: (transfer none): the #GParamSpec of the child property
+ *   or %NULL if @aclass has no child property with that name.
  *
  * Since: 3.0
  */
@@ -2993,7 +2993,7 @@ gtk_cell_area_set_focus_cell (GtkCellArea     *area,
  *
  * Retrieves the currently focused cell for @area
  *
- * Return value: the currently focused cell in @area.
+ * Return value: (transfer none): the currently focused cell in @area.
  *
  * Since: 3.0
  */
@@ -3177,7 +3177,8 @@ gtk_cell_area_get_focus_siblings (GtkCellArea     *area,
  * then chose to activate the focus cell for which the event
  * cell may have been a sibling.
  *
- * Return value: the #GtkCellRenderer for which @renderer is a sibling, or %NULL.
+ * Return value: (transfer none): the #GtkCellRenderer for which @renderer
+ *    is a sibling, or %NULL.
  *
  * Since: 3.0
  */
@@ -3320,7 +3321,7 @@ gtk_cell_area_set_edit_widget (GtkCellArea     *area,
  * Gets the #GtkCellRenderer in @area that is currently
  * being edited.
  *
- * Return value: The currently edited #GtkCellRenderer
+ * Return value: (transfer none): The currently edited #GtkCellRenderer
  *
  * Since: 3.0
  */
@@ -3343,7 +3344,7 @@ gtk_cell_area_get_edited_cell (GtkCellArea *area)
  * Gets the #GtkCellEditable widget currently used
  * to edit the currently edited cell.
  *
- * Return value: The currently active #GtkCellEditable widget
+ * Return value: (transfer none): The currently active #GtkCellEditable widget
  *
  * Since: 3.0
  */

gtk/gtkcellareacontext.c

@@ -348,7 +348,7 @@ gtk_cell_area_context_real_allocate (GtkCellAreaContext *context,
  * that the #GtkCellArea is configured with in order to
  * compute a proper allocation.
  *
- * Return value: the #GtkCellArea this context was created by.
+ * Return value: (transfer none): the #GtkCellArea this context was created by.
  *
  * Since: 3.0
  */

gtk/gtkcontainer.c

@@ -1196,10 +1196,10 @@ gtk_container_class_install_child_property (GtkContainerClass *cclass,
 
 /**
  * gtk_container_class_find_child_property:
- * @cclass: a #GtkContainerClass
+ * @cclass: (type GtkContainerClass): a #GtkContainerClass
  * @property_name: the name of the child property to find
- * @returns: (allow-none): the #GParamSpec of the child property or %NULL if @class has no
- *   child property with that name.
+ * @returns: (transfer none): the #GParamSpec of the child property or
+ *           %NULL if @class has no child property with that name.
  *
  * Finds a child property of a container class by name.
  */
@@ -1951,8 +1951,9 @@ gtk_container_set_focus_child (GtkContainer *container,
  * currently focused widget. That can be obtained by calling
  * gtk_window_get_focus().
  *
- * Returns: The child widget which will recieve the focus inside @container when
- *          the @conatiner is focussed, or %NULL if none is set.
+ * Returns: (transfer none): The child widget which will receive the
+ *          focus inside @container when the @conatiner is focussed,
+ *          or %NULL if none is set.
  *
  * Since: 2.14
  **/

gtk/gtkdnd.c

@@ -1355,7 +1355,7 @@ gtk_drag_dest_unset (GtkWidget *widget)
  * Returns the list of targets this widget can accept from
  * drag-and-drop.
  * 
- * Return value: the #GtkTargetList, or %NULL if none
+ * Return value: (transfer none): the #GtkTargetList, or %NULL if none
  **/
 GtkTargetList*
 gtk_drag_dest_get_target_list (GtkWidget *widget)
@@ -1666,8 +1666,8 @@ _gtk_drag_dest_handle_event (GtkWidget *toplevel,
  * that case, they will have to implement a drag_motion handler that
  * passes the correct target list to this function.
  *
- * Return value: first target that the source offers and the dest can
- *     accept, or %GDK_NONE
+ * Return value: (transfer none): first target that the source offers
+ *     and the dest can accept, or %GDK_NONE
  **/
 GdkAtom
 gtk_drag_dest_find_target (GtkWidget      *widget,
@@ -2544,7 +2544,7 @@ gtk_drag_begin_internal (GtkWidget         *widget,
  * (remember to free the event with gdk_event_free() when you are done).
  * If you can really not pass a real event, pass #NULL instead.
  *
- * Return value: the context for this drag.
+ * Return value: (transfer none): the context for this drag.
  **/
 GdkDragContext *
 gtk_drag_begin (GtkWidget         *widget,
@@ -2657,7 +2657,7 @@ gtk_drag_source_unset (GtkWidget *widget)
  * Gets the list of targets this widget can provide for
  * drag-and-drop.
  *
- * Return value: the #GtkTargetList, or %NULL if none
+ * Return value: (transfer none): the #GtkTargetList, or %NULL if none
  *
  * Since: 2.4
  **/

gtk/gtkiconfactory.c

@@ -251,7 +251,7 @@ gtk_icon_factory_add (GtkIconFactory *factory,
  * widget that will display the icon, instead of using this
  * function directly, so that themes are taken into account.
  *
- * Return value: icon set of @stock_id.
+ * Return value: (transfer none): icon set of @stock_id.
  */
 GtkIconSet *
 gtk_icon_factory_lookup (GtkIconFactory *factory,
@@ -330,7 +330,7 @@ _gtk_icon_factory_ensure_default_icons (void)
  * using this function directly, so that themes are taken into
  * account.
  *
- * Return value: a #GtkIconSet, or %NULL
+ * Return value: (transfer none): a #GtkIconSet, or %NULL
  */
 GtkIconSet *
 gtk_icon_factory_lookup_default (const gchar *stock_id)

gtk/gtklabel.c

@@ -2036,7 +2036,8 @@ gtk_label_set_attributes (GtkLabel         *label,
  * effective attributes for the label, use
  * pango_layout_get_attribute (gtk_label_get_layout (label)).
  *
- * Return value: the attribute list, or %NULL if none was set.
+ * Return value: (transfer none): the attribute list, or %NULL
+ *     if none was set.
  **/
 PangoAttrList *
 gtk_label_get_attributes (GtkLabel *label)

gtk/gtkmain.c

@@ -2384,9 +2384,9 @@ gtk_invoke_key_snoopers (GtkWidget *grab_widget,
  * the current event will be the #GdkEventButton that triggered
  * the ::clicked signal.
  *
- * Return value: a copy of the current event, or %NULL if there is
- *     no current event. The returned event must be freed with
- *     gdk_event_free().
+ * Return value: (transfer full): a copy of the current event, or
+ *     %NULL if there is no current event. The returned event must be
+ *     freed with gdk_event_free().
  */
 GdkEvent*
 gtk_get_current_event (void)

gtk/gtkmenu.c

@@ -1251,7 +1251,7 @@ gtk_menu_attach_to_widget (GtkMenu           *menu,
  *
  * Returns the #GtkWidget that the menu is attached to.
  *
- * Returns: the #GtkWidget that the menu is attached to
+ * Returns: (transfer none): the #GtkWidget that the menu is attached to
  */
 GtkWidget*
 gtk_menu_get_attach_widget (GtkMenu *menu)
@@ -1889,9 +1889,9 @@ gtk_menu_popdown (GtkMenu *menu)
  * Returns the selected menu item from the menu.  This is used by the
  * #GtkOptionMenu.
  *
- * Returns: the #GtkMenuItem that was last selected in the menu.  If a
- *          selection has not yet been made, the first menu item is
- *          selected.
+ * Returns: (transfer none): the #GtkMenuItem that was last selected
+ *          in the menu.  If a selection has not yet been made, the
+ *          first menu item is selected.
  */
 GtkWidget*
 gtk_menu_get_active (GtkMenu *menu)
@@ -1995,7 +1995,7 @@ gtk_menu_set_accel_group (GtkMenu       *menu,
  * Gets the #GtkAccelGroup which holds global accelerators for the
  * menu.  See gtk_menu_set_accel_group().
  *
- * Returns: the #GtkAccelGroup associated with the menu.
+ * Returns: (transfer none): the #GtkAccelGroup associated with the menu.
  */
 GtkAccelGroup*
 gtk_menu_get_accel_group (GtkMenu *menu)

gtk/gtkmenushell.c

@@ -1990,7 +1990,7 @@ gtk_menu_shell_set_take_focus (GtkMenuShell *menu_shell,
  *
  * Gets the currently selected item.
  *
- * Returns: the currently selected item
+ * Returns: (transfer none): the currently selected item
  *
  * Since: 3.0
  */
@@ -2011,7 +2011,7 @@ gtk_menu_shell_get_selected_item (GtkMenuShell *menu_shell)
  * The parent menu shell of a submenu is the #GtkMenu or #GtkMenuBar
  * from which it was opened up.
  *
- * Returns: the parent #GtkMenuShell
+ * Returns: (transfer none): the parent #GtkMenuShell
  *
  * Since: 3.0
  */

gtk/gtknotebook.c

@@ -1047,7 +1047,8 @@ gtk_notebook_class_init (GtkNotebookClass *class)
    * necessary properties to the notebook (e.g. the
    * #GtkNotebook:group ).
    *
-   * Returns: a #GtkNotebook that @page should be added to, or %NULL.
+   * Returns: (transfer none): a #GtkNotebook that @page should be
+   *     added to, or %NULL.
    *
    * Since: 2.12
    */

gtk/gtknumerableicon.c

@@ -1008,7 +1008,7 @@ gtk_numerable_icon_get_background_icon_name (GtkNumerableIcon *self)
  *
  * Creates a new unthemed #GtkNumerableIcon.
  *
- * Returns: a new #GIcon
+ * Returns: (transfer full): a new #GIcon
  *
  * Since: 3.0
  */
@@ -1031,7 +1031,7 @@ gtk_numerable_icon_new (GIcon *base_icon)
  * to the passed #GtkStyleContext. This is a convenience constructor
  * that calls gtk_numerable_icon_set_style_context() internally.
  *
- * Returns: a new #GIcon
+ * Returns: (transfer full): a new #GIcon
  *
  * Since: 3.0
  */

gtk/gtkpagesetupunixdialog.c

@@ -1099,7 +1099,7 @@ gtk_page_setup_unix_dialog_set_page_setup (GtkPageSetupUnixDialog *dialog,
  * 
  * Gets the currently selected page setup from the dialog. 
  * 
- * Returns: the current page setup 
+ * Returns: (transfer none): the current page setup 
  *
  * Since: 2.10
  **/
@@ -1196,7 +1196,7 @@ gtk_page_setup_unix_dialog_set_print_settings (GtkPageSetupUnixDialog *dialog,
  * 
  * Gets the current print settings from the dialog.
  * 
- * Returns: the current print settings
+ * Returns: (transfer none): the current print settings
  *
  * Since: 2.10
  **/

gtk/gtkprintcontext.c

@@ -253,7 +253,7 @@ _gtk_print_context_set_page_setup (GtkPrintContext *context,
  * Obtains the cairo context that is associated with the
  * #GtkPrintContext.
  *
- * Return value: the cairo context of @context
+ * Return value: (transfer none): the cairo context of @context
  *
  * Since: 2.10
  */

gtk/gtkprinter.c

@@ -414,7 +414,7 @@ gtk_printer_new (const gchar     *name,
  * 
  * Returns the backend of the printer.
  * 
- * Return value: the backend of @printer
+ * Return value: (transfer none): the backend of @printer
  * 
  * Since: 2.10
  */

gtk/gtkprintjob.c

@@ -336,7 +336,7 @@ gtk_print_job_new (const gchar      *title,
  * 
  * Gets the #GtkPrintSettings of the print job.
  * 
- * Return value: the settings of @job
+ * Return value: (transfer none): the settings of @job
  *
  * Since: 2.10
  */
@@ -354,7 +354,7 @@ gtk_print_job_get_settings (GtkPrintJob *job)
  * 
  * Gets the #GtkPrinter of the print job.
  * 
- * Return value: the printer of @job
+ * Return value: (transfer none): the printer of @job
  *
  * Since: 2.10
  */
@@ -471,7 +471,7 @@ gtk_print_job_set_source_file (GtkPrintJob *job,
  * Gets a cairo surface onto which the pages of
  * the print job should be rendered.
  * 
- * Return value: the cairo surface of @job
+ * Return value: (transfer none): the cairo surface of @job
  *
  * Since: 2.10
  **/

gtk/gtkprintoperation-unix.c

@@ -964,7 +964,7 @@ get_page_setup_dialog (GtkWindow        *parent,
  * setup dialog. See gtk_print_run_page_setup_dialog_async() if this is 
  * a problem.
  * 
- * Return value: a new #GtkPageSetup
+ * Return value: (transfer full): a new #GtkPageSetup
  *
  * Since: 2.10
  */

gtk/gtkprintoperation.c

@@ -892,8 +892,8 @@ gtk_print_operation_class_init (GtkPrintOperationClass *class)
    * signal is emitted on the operation. Then you can read out any 
    * information you need from the widgets.
    *
-   * Returns: A custom widget that gets embedded in the print dialog,
-   *          or %NULL
+   * Returns: (transfer none): A custom widget that gets embedded in
+   *          the print dialog, or %NULL
    *
    * Since: 2.10
    */

gtk/gtkprintunixdialog.c

@@ -3884,7 +3884,7 @@ gtk_print_unix_dialog_new (const gchar *title,
  *
  * Gets the currently selected printer.
  *
- * Returns: the currently selected printer
+ * Returns: (transfer none): the currently selected printer
  *
  * Since: 2.10
  */
@@ -3933,7 +3933,7 @@ gtk_print_unix_dialog_set_page_setup (GtkPrintUnixDialog *dialog,
  *
  * Gets the page setup that is used by the #GtkPrintUnixDialog.
  *
- * Returns: the page setup of @dialog.
+ * Returns: (transfer none): the page setup of @dialog.
  *
  * Since: 2.10
  */

gtk/gtkradiobutton.c

@@ -432,7 +432,7 @@ gtk_radio_button_new (GSList *group)
  *
  * Creates a new #GtkRadioButton with a text label.
  *
- * Returns: (transfer full): a new radio button.
+ * Returns: a new radio button.
  */
 GtkWidget*
 gtk_radio_button_new_with_label (GSList      *group,
@@ -461,7 +461,7 @@ gtk_radio_button_new_with_label (GSList      *group,
  * gtk_label_new_with_mnemonic(), so underscores in @label indicate the
  * mnemonic for the button.
  *
- * Returns: (transfer full): a new #GtkRadioButton
+ * Returns: a new #GtkRadioButton
  */
 GtkWidget*
 gtk_radio_button_new_with_mnemonic (GSList      *group,

gtk/gtkrc.c

@@ -752,9 +752,9 @@ gtk_rc_reparse_all (void)
  * created styles, so a new style may not be
  * created.)
  *
- * Returns: the resulting style. No refcount is added
- *   to the returned style, so if you want to save this
- *   style around, you should add a reference yourself.
+ * Returns: (transfer none): the resulting style. No refcount is added
+ *   to the returned style, so if you want to save this style around,
+ *   you should add a reference yourself.
  *
  * Deprecated:3.0: Use #GtkStyleContext instead
  **/

gtk/gtkrecentmanager.c

@@ -1975,7 +1975,7 @@ gtk_recent_info_get_icon (GtkRecentInfo *info,
  *
  * Retrieves the icon associated to the resource MIME type.
  *
- * Return value: a #GIcon containing the icon, or %NULL. Use
+ * Return value: (transfer full): a #GIcon containing the icon, or %NULL. Use
  *   g_object_unref() when finished using the icon
  *
  * Since: 2.22

gtk/gtkselection.c

@@ -221,7 +221,7 @@ static const char gtk_selection_handler_key[] = "gtk-selection-handlers";
  * 
  * Creates a new #GtkTargetList from an array of #GtkTargetEntry.
  * 
- * Return value: the new #GtkTargetList.
+ * Return value: (transfer full): the new #GtkTargetList.
  **/
 GtkTargetList *
 gtk_target_list_new (const GtkTargetEntry *targets,
@@ -1146,7 +1146,7 @@ gtk_selection_convert (GtkWidget *widget,
  *
  * Retrieves the selection #GdkAtom of the selection data.
  *
- * Returns: the selection #GdkAtom of the selection data.
+ * Returns: (transfer none): the selection #GdkAtom of the selection data.
  *
  * Since: 2.16
  **/
@@ -1164,7 +1164,7 @@ gtk_selection_data_get_selection (const GtkSelectionData *selection_data)
  *
  * Retrieves the target of the selection.
  *
- * Returns:  the target of the selection.
+ * Returns: (transfer none): the target of the selection.
  *
  * Since: 2.14
  **/
@@ -1182,7 +1182,7 @@ gtk_selection_data_get_target (const GtkSelectionData *selection_data)
  *
  * Retrieves the data type of the selection.
  *
- * Returns:  the data type of the selection.
+ * Returns: (transfer none): the data type of the selection.
  *
  * Since: 2.14
  **/

gtk/gtkstyle.c

@@ -919,7 +919,7 @@ gtk_style_detach (GtkStyle *style)
  * and the default icon factory, returning an icon set if found,
  * otherwise %NULL.
  *
- * Return value: icon set of @stock_id
+ * Return value: (transfer none): icon set of @stock_id
  *
  * Deprecated:3.0: Use gtk_style_context_lookup_icon_set() instead
  */

gtk/gtkstylecontext.c

@@ -2638,7 +2638,7 @@ gtk_style_context_set_screen (GtkStyleContext *context,
  *
  * Returns the #GdkScreen to which @context is attached.
  *
- * Returns: a #GdkScreen.
+ * Returns: (transfer none): a #GdkScreen.
  **/
 GdkScreen *
 gtk_style_context_get_screen (GtkStyleContext *context)
@@ -3571,8 +3571,9 @@ gtk_style_context_get_margin (GtkStyleContext *context,
  * object is const and will remain valid until the
  * #GtkStyleContext::changed signal happens.
  *
- * Returns: the #PangoFontDescription for the given state. This
- *          object is owned by GTK+ and should not be freed.
+ * Returns: (transfer none): the #PangoFontDescription for the given
+ *          state.  This object is owned by GTK+ and should not be
+ *          freed.
  *
  * Since: 3.0
  **/

gtk/gtkstyleproperties.c

@@ -574,7 +574,7 @@ gtk_style_properties_map_color (GtkStyleProperties *props,
  * Returns the symbolic color that is mapped
  * to @name.
  *
- * Returns: The mapped color
+ * Returns: (transfer none): The mapped color
  *
  * Since: 3.0
  **/

gtk/gtkstyleprovider.c

@@ -62,7 +62,8 @@ gtk_style_provider_iface_init (gpointer g_iface)
  * Returns the style settings affecting a widget defined by @path, or %NULL if
  * @provider doesn't contemplate styling @path.
  *
- * Returns: a #GtkStyleProperties containing the style settings affecting @path
+ * Returns: (transfer full): a #GtkStyleProperties containing the
+ * style settings affecting @path
  *
  * Since: 3.0
  **/
@@ -126,7 +127,7 @@ gtk_style_provider_get_style_property (GtkStyleProvider *provider,
  * Returns the #GtkIconFactory defined to be in use for @path, or %NULL if none
  * is defined.
  *
- * Returns: The icon factory to use for @path, or %NULL
+ * Returns: (transfer none): The icon factory to use for @path, or %NULL
  *
  * Since: 3.0
  **/

gtk/gtktestutils.c

@@ -230,7 +230,7 @@ gtk_test_spin_button_click (GtkSpinButton  *spinner,
  * so this function is genrally only useful in test programs with
  * predetermined locales, see gtk_test_init() for more details.
  *
- * Returns: a GtkLabel widget if any is found.
+ * Returns: (transfer none): a GtkLabel widget if any is found.
  *
  * Since: 2.14
  **/
@@ -333,7 +333,7 @@ widget_geo_cmp (gconstpointer a,
  * widget, relative to another labeling widget. Such as finding a
  * button or text entry widget, given it's corresponding label widget.
  *
- * Returns: a widget of type @widget_type if any is found.
+ * Returns: (transfer none): a widget of type @widget_type if any is found.
  *
  * Since: 2.14
  **/
@@ -375,7 +375,7 @@ gtk_test_find_sibling (GtkWidget *base_widget,
  * gtk_test_widget_click() for possible caveats involving the search of
  * such widgets and synthesizing widget events.
  *
- * Returns: a valid widget if any is found or %NULL.
+ * Returns: (transfer none): a valid widget if any is found or %NULL.
  *
  * Since: 2.14
  **/
@@ -620,7 +620,7 @@ gtk_test_display_button_window (const gchar *window_title,
  * The window will quit any running gtk_main()-loop when destroyed, and it
  * will automatically be destroyed upon test function teardown.
  *
- * Returns: a widget pointer to the newly created GtkWindow.
+ * Returns: (transfer none): a widget pointer to the newly created GtkWindow.
  *
  * Since: 2.14
  **/

gtk/gtktextbuffer.c

@@ -4193,7 +4193,7 @@ gtk_text_buffer_get_target_list (GtkTextBuffer   *buffer,
  * using gtk_target_list_add_rich_text_targets() and
  * gtk_target_list_add_text_targets().
  *
- * Return value: the #GtkTargetList
+ * Return value: (transfer none): the #GtkTargetList
  *
  * Since: 2.10
  **/
@@ -4225,7 +4225,7 @@ gtk_text_buffer_get_copy_target_list (GtkTextBuffer *buffer)
  * using gtk_target_list_add_rich_text_targets() and
  * gtk_target_list_add_text_targets().
  *
- * Return value: the #GtkTargetList
+ * Return value: (transfer none): the #GtkTargetList
  *
  * Since: 2.10
  **/

gtk/gtktextbufferrichtext.c

@@ -66,8 +66,8 @@ static GQuark    deserialize_quark (void);
  * This function registers a rich text serialization @function along with
  * its @mime_type with the passed @buffer.
  *
- * Return value: the #GdkAtom that corresponds to the newly registered
- *               format's mime-type.
+ * Return value: (transfer none): the #GdkAtom that corresponds to the
+ *               newly registered format's mime-type.
  *
  * Since: 2.10
  **/
@@ -123,8 +123,8 @@ gtk_text_buffer_register_serialize_format (GtkTextBuffer              *buffer,
  * identifier != %NULL here, since the %NULL tagset requires the
  * receiving buffer to deal with with pasting of arbitrary tags.
  *
- * Return value: the #GdkAtom that corresponds to the newly registered
- *               format's mime-type.
+ * Return value: (transfer none): the #GdkAtom that corresponds to the
+ *               newly registered format's mime-type.
  *
  * Since: 2.10
  **/
@@ -164,8 +164,8 @@ gtk_text_buffer_register_serialize_tagset (GtkTextBuffer *buffer,
  * This function registers a rich text deserialization @function along with
  * its @mime_type with the passed @buffer.
  *
- * Return value: the #GdkAtom that corresponds to the newly registered
- *               format's mime-type.