[GI] Fixes of existing incorrect annotations

Backported from master commit 3c8fc21e9b.

gtk/gtkaction.c

@@ -869,7 +869,7 @@ gtk_action_unblock_activate (GtkAction *action)
  * This function is intended for use by action implementations to
  * create icons displayed in the proxy widgets.
  *
- * Returns: (transfer full): a widget that displays the icon for this action.
+ * Returns: (transfer none): a widget that displays the icon for this action.
  *
  * Since: 2.4
  */
@@ -895,7 +895,7 @@ gtk_action_create_icon (GtkAction *action, GtkIconSize icon_size)
  *
  * Creates a menu item widget that proxies for the given action.
  *
- * Returns: (transfer full): a menu item connected to the action.
+ * Returns: (transfer none): a menu item connected to the action.
  *
  * Since: 2.4
  */
@@ -920,7 +920,7 @@ gtk_action_create_menu_item (GtkAction *action)
  *
  * Creates a toolbar item widget that proxies for the given action.
  *
- * Returns: (transfer full): a toolbar item connected to the action.
+ * Returns: (transfer none): a toolbar item connected to the action.
  *
  * Since: 2.4
  */
@@ -1941,7 +1941,8 @@ gtk_action_disconnect_accelerator (GtkAction *action)
  * item or the toolbar item it creates, this function returns an
  * instance of that menu.
  *
- * Return value: (transfer full): the menu item provided by the action, or %NULL.
+ * Return value: (transfer none): the menu item provided by the
+ *               action, or %NULL.
  *
  * Since: 2.12
  */

gtk/gtkcellrenderer.c

@@ -640,7 +640,7 @@ gtk_cell_renderer_activate (GtkCellRenderer      *cell,
  *
  * Passes an activate event to the cell renderer for possible processing.
  *
- * Return value: (transfer full): A new #GtkCellEditable, or %NULL
+ * Return value: (transfer none): A new #GtkCellEditable, or %NULL
  **/
 GtkCellEditable *
 gtk_cell_renderer_start_editing (GtkCellRenderer      *cell,

gtk/gtkfilechooser.c

@@ -1721,9 +1721,10 @@ gtk_file_chooser_unselect_file (GtkFileChooser *chooser,
  * Lists all the selected files and subfolders in the current folder of @chooser
  * as #GFile. An internal function, see gtk_file_chooser_get_uris().
  *
- * Return value: (element-type utf8) (transfer full): a #GSList containing a #GFile for each selected
- *   file and subfolder in the current folder.  Free the returned list
- *   with g_slist_free(), and the files with g_object_unref().
+ * Return value: (element-type GFile) (transfer full): a #GSList
+ *   containing a #GFile for each selected file and subfolder in the
+ *   current folder.  Free the returned list with g_slist_free(), and
+ *   the files with g_object_unref().
  *
  * Since: 2.14
  **/
@@ -2011,7 +2012,7 @@ gtk_file_chooser_get_use_preview_label (GtkFileChooser *chooser)
  * Gets the #GFile that should be previewed in a custom preview
  * Internal function, see gtk_file_chooser_get_preview_uri().
  *
- * Return value: (transfer none): the #GFile for the file to preview,
+ * Return value: (transfer full): the #GFile for the file to preview,
  *     or %NULL if no file is selected. Free with g_object_unref().
  *
  * Since: 2.14
@@ -2231,10 +2232,10 @@ gtk_file_chooser_remove_filter (GtkFileChooser *chooser,
  * Lists the current set of user-selectable filters; see
  * gtk_file_chooser_add_filter(), gtk_file_chooser_remove_filter().
  *
- * Return value: (element-type utf8) (transfer container): a #GSList containing the current set of
- *  user selectable filters. The contents of the list are
- *  owned by GTK+, but you must free the list itself with
- *  g_slist_free() when you are done with it.
+ * Return value: (element-type GtkFileFilter) (transfer container): a
+ *  #GSList containing the current set of user selectable filters. The
+ *  contents of the list are owned by GTK+, but you must free the list
+ *  itself with g_slist_free() when you are done with it.
  *
  * Since: 2.4
  **/

gtk/gtkicontheme.c

@@ -1740,10 +1740,10 @@ add_key_to_list (gpointer  key,
  * but will typically include such values as "Applications" and
  * "MimeTypes".
  *
- * Return value: (element-type utf8) (transfer none): a #GList list holding the names of all the
- *  icons in the theme. You must first free each element
- *  in the list with g_free(), then free the list itself
- *  with g_list_free().
+ * Return value: (element-type utf8) (transfer full): a #GList list
+ *  holding the names of all the icons in the theme. You must first
+ *  free each element in the list with g_free(), then free the list
+ *  itself with g_list_free().
  *
  * Since: 2.4
  **/

gtk/gtkmain.c

@@ -904,7 +904,8 @@ gtk_init_with_args (int            *argc,
 /**
  * gtk_parse_args:
  * @argc: (inout): a pointer to the number of command line arguments
- * @argv: (array) (inout): a pointer to the array of command line arguments
+ * @argv: (array length=argc) (inout): a pointer to the array of
+ *     command line arguments
  *
  * Parses command line arguments, and initializes global
  * attributes of GTK+, but does not actually open a connection

gtk/gtkradiobutton.c

@@ -339,7 +339,7 @@ gtk_radio_button_new_with_mnemonic (GSList      *group,
  * @radio_group_member. As with gtk_radio_button_new(), a widget
  * should be packed into the radio button.
  *
- * Returns: (transfer full): a new radio button.
+ * Returns: (transfer none): a new radio button.
  */
 GtkWidget*
 gtk_radio_button_new_from_widget (GtkRadioButton *radio_group_member)
@@ -380,7 +380,7 @@ gtk_radio_button_new_with_label_from_widget (GtkRadioButton *radio_group_member,
  * will be created using gtk_label_new_with_mnemonic(), so underscores
  * in @label indicate the mnemonic for the button.
  *
- * Returns: (transfer full): a new #GtkRadioButton
+ * Returns: (transfer none): a new #GtkRadioButton
  **/
 GtkWidget*
 gtk_radio_button_new_with_mnemonic_from_widget (GtkRadioButton *radio_group_member,

gtk/gtkradiomenuitem.c

@@ -244,7 +244,7 @@ gtk_radio_menu_item_new_with_mnemonic (GSList *group,
  *
  * Creates a new #GtkRadioMenuItem adding it to the same group as @group.
  *
- * Return value: (transfer full): The new #GtkRadioMenuItem
+ * Return value: (transfer none): The new #GtkRadioMenuItem
  *
  * Since: 2.4
  **/
@@ -273,7 +273,7 @@ gtk_radio_menu_item_new_from_widget (GtkRadioMenuItem *group)
  *
  * The new #GtkRadioMenuItem is added to the same group as @group.
  *
- * Return value: (transfer full): The new #GtkRadioMenuItem
+ * Return value: (transfer none): The new #GtkRadioMenuItem
  *
  * Since: 2.4
  **/
@@ -299,7 +299,7 @@ gtk_radio_menu_item_new_with_mnemonic_from_widget (GtkRadioMenuItem *group,
  * Creates a new GtkRadioMenuItem whose child is a simple GtkLabel.
  * The new #GtkRadioMenuItem is added to the same group as @group.
  *
- * Return value: (transfer full): The new #GtkRadioMenuItem
+ * Return value: (transfer none): The new #GtkRadioMenuItem
  *
  * Since: 2.4
  **/

gtk/gtkradiotoolbutton.c

@@ -167,7 +167,7 @@ gtk_radio_tool_button_new_from_stock (GSList      *group,
  *
  * Creates a new #GtkRadioToolButton adding it to the same group as @gruup
  *
- * Return value: (transfer full): The new #GtkRadioToolButton
+ * Return value: (transfer none): The new #GtkRadioToolButton
  *
  * Since: 2.4
  **/
@@ -193,7 +193,7 @@ gtk_radio_tool_button_new_from_widget (GtkRadioToolButton *group)
  * The new #GtkRadioToolButton will contain an icon and label from the
  * stock item indicated by @stock_id.
  *
- * Return value: (transfer full): A new #GtkRadioToolButton
+ * Return value: (transfer none): A new #GtkRadioToolButton
  *
  * Since: 2.4
  **/

gtk/gtkselection.c

@@ -1243,7 +1243,7 @@ gtk_selection_data_get_display (GtkSelectionData *selection_data)
  * @selection_data: a pointer to a #GtkSelectionData structure.
  * @type: the type of selection data
  * @format: format (number of bits in a unit)
- * @data: pointer to the data (will be copied)
+ * @data: (array length=length): pointer to the data (will be copied)
  * @length: length of the data
  * 
  * Stores new data into a #GtkSelectionData object. Should

gtk/gtktreeview.c

@@ -13425,7 +13425,7 @@ gtk_tree_view_enable_model_drag_source (GtkTreeView              *tree_view,
 /**
  * gtk_tree_view_enable_model_drag_dest:
  * @tree_view: a #GtkTreeView
- * @targets: the table of targets that the drag will support
+ * @targets: (array length=n_targets): the table of targets that the drag will support
  * @n_targets: the number of items in @targets
  * @actions: the bitmask of possible actions for a drag from this
  *    widget