Add some missing (nullable) annotations

https://bugzilla.gnome.org/show_bug.cgi?id=771826

4 files changed, 13 insertions, 13 deletions

diff --git a/gtk/deprecated/gtknumerableicon.c b/gtk/deprecated/gtknumerableicon.c
index 7f63f4da31..7527c5e977 100644
--- a/gtk/deprecated/gtknumerableicon.c
+++ b/gtk/deprecated/gtknumerableicon.c
@@ -713,7 +713,7 @@ _gtk_numerable_icon_set_background_icon_size (GtkNumerableIcon *self,
  *
  * Returns the currently displayed label of the icon, or %NULL.
  *
- * Returns: the currently displayed label
+ * Returns: (nullable): the currently displayed label
  *
  * Since: 3.0
  *
@@ -825,7 +825,7 @@ gtk_numerable_icon_set_count (GtkNumerableIcon *self,
  * Returns the #GtkStyleContext used by the icon for theming,
  * or %NULL if there’s none.
  *
- * Returns: (transfer none): a #GtkStyleContext, or %NULL.
+ * Returns: (nullable) (transfer none): a #GtkStyleContext, or %NULL.
  *     This object is internal to GTK+ and should not be unreffed.
  *     Use g_object_ref() if you want to keep it around
  *
@@ -919,7 +919,7 @@ gtk_numerable_icon_set_background_gicon (GtkNumerableIcon *self,
  * %NULL if there’s none. The caller of this function does not own
  * a reference to the returned #GIcon.
  *
- * Returns: (transfer none): a #GIcon, or %NULL
+ * Returns: (nullable) (transfer none): a #GIcon, or %NULL
  *
  * Since: 3.0
  *
@@ -992,7 +992,7 @@ gtk_numerable_icon_set_background_icon_name (GtkNumerableIcon *self,
  * Returns the icon name used as the base background image,
  * or %NULL if there’s none.
  *
- * Returns: an icon name, or %NULL
+ * Returns: (nullable): an icon name, or %NULL
  *
  * Since: 3.0
  *
diff --git a/gtk/deprecated/gtkstatusicon.c b/gtk/deprecated/gtkstatusicon.c
index 7df11cdec1..b33a296751 100644
--- a/gtk/deprecated/gtkstatusicon.c
+++ b/gtk/deprecated/gtkstatusicon.c
@@ -1919,7 +1919,7 @@ gtk_status_icon_get_storage_type (GtkStatusIcon *status_icon)
  * The caller of this function does not own a reference to the
  * returned pixbuf.
  * 
- * Returns: (transfer none): the displayed pixbuf,
+ * Returns: (nullable) (transfer none): the displayed pixbuf,
  *     or %NULL if the image is empty.
  *
  * Since: 2.10
@@ -1948,7 +1948,7 @@ gtk_status_icon_get_pixbuf (GtkStatusIcon *status_icon)
  * The returned string is owned by the #GtkStatusIcon and should not
  * be freed or modified.
  * 
- * Returns: stock id of the displayed stock icon,
+ * Returns: (nullable): stock id of the displayed stock icon,
  *   or %NULL if the image is empty.
  *
  * Since: 2.10
@@ -1977,7 +1977,7 @@ gtk_status_icon_get_stock (GtkStatusIcon *status_icon)
  * The returned string is owned by the #GtkStatusIcon and should not
  * be freed or modified.
  * 
- * Returns: name of the displayed icon, or %NULL if the image is empty.
+ * Returns: (nullable): name of the displayed icon, or %NULL if the image is empty.
  *
  * Since: 2.10
  *
@@ -2007,7 +2007,7 @@ gtk_status_icon_get_icon_name (GtkStatusIcon *status_icon)
  *
  * If this function fails, @icon is left unchanged;
  *
- * Returns: (transfer none): the displayed icon, or %NULL if the image is empty
+ * Returns: (nullable) (transfer none): the displayed icon, or %NULL if the image is empty
  *
  * Since: 2.14
  *
@@ -2582,7 +2582,7 @@ gtk_status_icon_set_tooltip_text (GtkStatusIcon *status_icon,
  *
  * Gets the contents of the tooltip for @status_icon.
  *
- * Returns: the tooltip text, or %NULL. You should free the
+ * Returns: (nullable): the tooltip text, or %NULL. You should free the
  *   returned string with g_free() when done.
  *
  * Since: 2.16
@@ -2672,7 +2672,7 @@ gtk_status_icon_set_tooltip_markup (GtkStatusIcon *status_icon,
  *
  * Gets the contents of the tooltip for @status_icon.
  *
- * Returns: the tooltip text, or %NULL. You should free the
+ * Returns: (nullable): the tooltip text, or %NULL. You should free the
  *   returned string with g_free() when done.
  *
  * Since: 2.16
diff --git a/gtk/deprecated/gtkstyle.c b/gtk/deprecated/gtkstyle.c
index 291e5c2306..9477578fef 100644
--- a/gtk/deprecated/gtkstyle.c
+++ b/gtk/deprecated/gtkstyle.c
@@ -4752,7 +4752,7 @@ gtk_widget_class_path (GtkWidget *widget,
  * the application and should not be modified. The pixbuf should be
  * freed after use with g_object_unref().
  *
- * Returns: (transfer full): a new pixbuf, or %NULL if the
+ * Returns: (nullable) (transfer full): a new pixbuf, or %NULL if the
  *     stock ID wasn’t known
  *
  * Deprecated: 3.0: Use gtk_widget_render_icon_pixbuf() instead.
diff --git a/gtk/deprecated/gtkthemingengine.c b/gtk/deprecated/gtkthemingengine.c
index e26e8078e6..24dbc79ad3 100644
--- a/gtk/deprecated/gtkthemingengine.c
+++ b/gtk/deprecated/gtkthemingengine.c
@@ -951,7 +951,7 @@ gtk_theming_module_init (GtkThemingModule *module)
  * Loads and initializes a theming engine module from the
  * standard directories.
  *
- * Returns: (transfer none): A theming engine, or %NULL if
+ * Returns: (nullable) (transfer none): A theming engine, or %NULL if
  * the engine @name doesn’t exist.
  *
  * Deprecated: 3.14
@@ -1004,7 +1004,7 @@ gtk_theming_engine_load (const gchar *name)
  *
  * Returns the #GdkScreen to which @engine currently rendering to.
  *
- * Returns: (transfer none): a #GdkScreen, or %NULL.
+ * Returns: (nullable) (transfer none): a #GdkScreen, or %NULL.
  *
  * Deprecated: 3.14
  **/