diff options
Diffstat (limited to 'pango/pango-attributes.c')
| -rw-r--r-- | pango/pango-attributes.c | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/pango/pango-attributes.c b/pango/pango-attributes.c index 0d398d52..3ec294dc 100644 --- a/pango/pango-attributes.c +++ b/pango/pango-attributes.c @@ -54,11 +54,14 @@ static PangoAttribute *pango_attr_size_new_internal (int size, gboolean absolute); +static GHashTable *name_map = NULL; + /** * pango_attr_type_register: - * @name: an identifier for the type (currently unused.) + * @name: an identifier for the type * - * Allocate a new attribute type ID. + * Allocate a new attribute type ID. The attribute type name can be accessed + * later by using pango_attr_type_get_name(). * * Return value: the new type ID. **/ @@ -66,8 +69,43 @@ PangoAttrType pango_attr_type_register (const gchar *name) { static guint current_type = 0x1000000; + guint type = current_type++; + + if (name) + { + if (G_UNLIKELY (!name_map)) + name_map = g_hash_table_new (NULL, NULL); + + g_hash_table_insert (name_map, GUINT_TO_POINTER (type), (gpointer) g_intern_string (name)); + } - return current_type++; + return type; +} + +/** + * pango_attr_type_get_name: + * @type: an attribute type ID to fetch the name for + * + * Fetches the attribute type name passed in when registering the type using + * pango_attr_type_register(). + * + * The returned value is an interned string (see g_intern_string() for what + * that means) that should not be modified or freed. + * + * Return value: the type ID name (which may be %NULL), or %NULL if @type is + * a built-in Pango attribute type or invalid. + * + * Since: 1.22 + **/ +G_CONST_RETURN char * +pango_attr_type_get_name (PangoAttrType type) +{ + const char *result = NULL; + + if (name_map) + result = g_hash_table_lookup (name_map, GUINT_TO_POINTER ((guint) type)); + + return result; } /** |