2 files changed, 13 insertions, 13 deletions
diff --git a/libdbusmenu-glib/menuitem.c b/libdbusmenu-glib/menuitem.c
index c81c36e..cfc6bc3 100644
--- a/libdbusmenu-glib/menuitem.c
+++ b/libdbusmenu-glib/menuitem.c
@@ -463,7 +463,7 @@ send_about_to_show (DbusmenuMenuitem * mi, void (*cb) (DbusmenuMenuitem * mi, gp
 /* A helper function to get the type of the menuitem, this might
    be a candidate for optimization in the future. */
 static const gchar *
-menuitem_get_type (DbusmenuMenuitem * mi)
+menuitem_get_type (const DbusmenuMenuitem * mi)
 {
 	DbusmenuMenuitemPrivate * priv = DBUSMENU_MENUITEM_GET_PRIVATE(mi);
 	GVariant * currentval = (GVariant *)g_hash_table_lookup(priv->properties, DBUSMENU_MENUITEM_PROP_TYPE);
@@ -1287,7 +1287,7 @@ dbusmenu_menuitem_property_set_variant (DbusmenuMenuitem * mi, const gchar * pro
  * 	is not set or is not a string.
  */
 const gchar *
-dbusmenu_menuitem_property_get (DbusmenuMenuitem * mi, const gchar * property)
+dbusmenu_menuitem_property_get (const DbusmenuMenuitem * mi, const gchar * property)
 {
 	GVariant * variant = dbusmenu_menuitem_property_get_variant(mi, property);
 	if (variant == NULL) return NULL;
@@ -1307,7 +1307,7 @@ dbusmenu_menuitem_property_get (DbusmenuMenuitem * mi, const gchar * property)
  * Return value: (transfer none): A GVariant for the property.
  */
 GVariant *
-dbusmenu_menuitem_property_get_variant (DbusmenuMenuitem * mi, const gchar * property)
+dbusmenu_menuitem_property_get_variant (const DbusmenuMenuitem * mi, const gchar * property)
 {
 	g_return_val_if_fail(DBUSMENU_IS_MENUITEM(mi), NULL);
 	g_return_val_if_fail(property != NULL, NULL);
@@ -1334,7 +1334,7 @@ dbusmenu_menuitem_property_get_variant (DbusmenuMenuitem * mi, const gchar * pro
  * Return value: The value of the property or #FALSE.
  */
 gboolean
-dbusmenu_menuitem_property_get_bool (DbusmenuMenuitem * mi, const gchar * property)
+dbusmenu_menuitem_property_get_bool (const DbusmenuMenuitem * mi, const gchar * property)
 {
 	GVariant * variant = dbusmenu_menuitem_property_get_variant(mi, property);
 	if (variant == NULL) return FALSE;
@@ -1368,7 +1368,7 @@ dbusmenu_menuitem_property_get_bool (DbusmenuMenuitem * mi, const gchar * proper
  * Return value: The value of the property or zero.
  */
 gint
-dbusmenu_menuitem_property_get_int (DbusmenuMenuitem * mi, const gchar * property)
+dbusmenu_menuitem_property_get_int (const DbusmenuMenuitem * mi, const gchar * property)
 {
 	GVariant * variant = dbusmenu_menuitem_property_get_variant(mi, property);
 	if (variant == NULL) return 0;
@@ -1401,7 +1401,7 @@ dbusmenu_menuitem_property_get_int (DbusmenuMenuitem * mi, const gchar * propert
  * 	is not set or is not a byte array.
  */
 const guchar *
-dbusmenu_menuitem_property_get_byte_array (DbusmenuMenuitem * mi, const gchar * property, gsize * nelements)
+dbusmenu_menuitem_property_get_byte_array (const DbusmenuMenuitem * mi, const gchar * property, gsize * nelements)
 {
 	GVariant * variant = dbusmenu_menuitem_property_get_variant(mi, property);
 	if (variant == NULL) {
@@ -1423,7 +1423,7 @@ dbusmenu_menuitem_property_get_byte_array (DbusmenuMenuitem * mi, const gchar *
  * Return value: A boolean checking to see if the property is available
  */
 gboolean
-dbusmenu_menuitem_property_exist (DbusmenuMenuitem * mi, const gchar * property)
+dbusmenu_menuitem_property_exist (const DbusmenuMenuitem * mi, const gchar * property)
 {
 	g_return_val_if_fail(DBUSMENU_IS_MENUITEM(mi), FALSE);
 	g_return_val_if_fail(property != NULL, FALSE);
diff --git a/libdbusmenu-glib/menuitem.h b/libdbusmenu-glib/menuitem.h
index 76422f9..d9e26cf 100644
--- a/libdbusmenu-glib/menuitem.h
+++ b/libdbusmenu-glib/menuitem.h
@@ -498,12 +498,12 @@ gboolean dbusmenu_menuitem_property_set_variant (DbusmenuMenuitem * mi, const gc
 gboolean dbusmenu_menuitem_property_set_bool (DbusmenuMenuitem * mi, const gchar * property, const gboolean value);
 gboolean dbusmenu_menuitem_property_set_int (DbusmenuMenuitem * mi, const gchar * property, const gint value);
 gboolean dbusmenu_menuitem_property_set_byte_array (DbusmenuMenuitem * mi, const gchar * property, const guchar * value, gsize nelements);
-const gchar * dbusmenu_menuitem_property_get (DbusmenuMenuitem * mi, const gchar * property);
-GVariant * dbusmenu_menuitem_property_get_variant (DbusmenuMenuitem * mi, const gchar * property);
-gboolean dbusmenu_menuitem_property_get_bool (DbusmenuMenuitem * mi, const gchar * property);
-gint dbusmenu_menuitem_property_get_int (DbusmenuMenuitem * mi, const gchar * property);
-const guchar * dbusmenu_menuitem_property_get_byte_array (DbusmenuMenuitem * mi, const gchar * property, gsize * nelements);
-gboolean dbusmenu_menuitem_property_exist (DbusmenuMenuitem * mi, const gchar * property);
+const gchar * dbusmenu_menuitem_property_get (const DbusmenuMenuitem * mi, const gchar * property);
+GVariant * dbusmenu_menuitem_property_get_variant (const DbusmenuMenuitem * mi, const gchar * property);
+gboolean dbusmenu_menuitem_property_get_bool (const DbusmenuMenuitem * mi, const gchar * property);
+gint dbusmenu_menuitem_property_get_int (const DbusmenuMenuitem * mi, const gchar * property);
+const guchar * dbusmenu_menuitem_property_get_byte_array (const DbusmenuMenuitem * mi, const gchar * property, gsize * nelements);
+gboolean dbusmenu_menuitem_property_exist (const DbusmenuMenuitem * mi, const gchar * property);
 GList * dbusmenu_menuitem_properties_list (DbusmenuMenuitem * mi) G_GNUC_WARN_UNUSED_RESULT;
 GHashTable * dbusmenu_menuitem_properties_copy (DbusmenuMenuitem * mi);
 void dbusmenu_menuitem_property_remove (DbusmenuMenuitem * mi, const gchar * property);