[evolution/wip/webkit-composer: 187/372] Add e_spell_checker_list_active_languages()

[Tomas Popela <tpopela src gnome org>]

commit 9170ab800125da790c0ed8ddd250f5f9fcca08fc
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Jan 17 19:54:11 2013 -0500

    Add e_spell_checker_list_active_languages()
    
    Returns a NULL-terminated array of language codes actively being used
    for spell checking.

 .../evolution-util/evolution-util-sections.txt     |    1 +
 e-util/e-spell-checker.c                           |   47 ++++++++++++++++++++
 e-util/e-spell-checker.h                           |    3 +
 3 files changed, 51 insertions(+), 0 deletions(-)
---
diff --git a/doc/reference/evolution-util/evolution-util-sections.txt 
b/doc/reference/evolution-util/evolution-util-sections.txt
index 5f70ebd..6e2754c 100644
--- a/doc/reference/evolution-util/evolution-util-sections.txt
+++ b/doc/reference/evolution-util/evolution-util-sections.txt
@@ -3916,6 +3916,7 @@ e_spell_checker_ref_dictionary
 e_spell_checker_get_enchant_dict
 e_spell_checker_get_language_active
 e_spell_checker_set_language_active
+e_spell_checker_list_active_languages
 e_spell_checker_learn_word
 e_spell_checker_ignore_word
 <SUBSECTION Standard>
diff --git a/e-util/e-spell-checker.c b/e-util/e-spell-checker.c
index 5f51685..67224c2 100644
--- a/e-util/e-spell-checker.c
+++ b/e-util/e-spell-checker.c
@@ -593,6 +593,53 @@ e_spell_checker_set_language_active (ESpellChecker *checker,
 }
 
 /**
+ * e_spell_checker_list_active_languages:
+ * @checker: an #ESpellChecker
+ * @n_languages: return location for the number of active languages, or %NULL
+ *
+ * Returns a %NULL-terminated array of language codes actively being used
+ * for spell checking.  Free the returned array with g_strfreev().
+ *
+ * Returns: a %NULL-teriminated array of language codes
+ **/
+gchar **
+e_spell_checker_list_active_languages (ESpellChecker *checker,
+                                       guint *n_languages)
+{
+       GHashTable *active_dictionaries;
+       GList *list, *link;
+       gchar **active_languages;
+       guint size;
+       gint ii = 0;
+
+       g_return_val_if_fail (E_IS_SPELL_CHECKER (checker), NULL);
+
+       active_dictionaries = checker->priv->active_dictionaries;
+       list = g_hash_table_get_keys (active_dictionaries);
+       size = g_hash_table_size (active_dictionaries);
+
+       active_languages = g_new0 (gchar *, size + 1);
+
+       list = g_list_sort (list, (GCompareFunc) e_spell_dictionary_compare);
+
+       for (link = list; link != NULL; link = g_list_next (link)) {
+               ESpellDictionary *dictionary;
+               const gchar *language_code;
+
+               dictionary = E_SPELL_DICTIONARY (link->data);
+               language_code = e_spell_dictionary_get_code (dictionary);
+               active_languages[ii++] = g_strdup (language_code);
+       }
+
+       if (n_languages != NULL)
+               *n_languages = size;
+
+       g_list_free (list);
+
+       return active_languages;
+}
+
+/**
  * e_spell_checker_ignore_word:
  * @checker: an #ESpellChecker
  * @word: word to ignore for the rest of session
diff --git a/e-util/e-spell-checker.h b/e-util/e-spell-checker.h
index 78dcb23..c39c530 100644
--- a/e-util/e-spell-checker.h
+++ b/e-util/e-spell-checker.h
@@ -77,6 +77,9 @@ void          e_spell_checker_set_language_active
                                                (ESpellChecker *checker,
                                                 const gchar *language_code,
                                                 gboolean active);
+gchar **       e_spell_checker_list_active_languages
+                                               (ESpellChecker *checker,
+                                                guint *n_languages);
 void           e_spell_checker_learn_word      (ESpellChecker *checker,
                                                 const gchar *word);
 void           e_spell_checker_ignore_word     (ESpellChecker *checker,