+static enum {
+ MATCH_EXACT,
+ MATCH_PREPEND,
+ MATCH_AFTER
+} found_string_entry;
+static GtkTreeIter string_entry_location;
+
+static gboolean match_string_entry(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
+{
+ const char *string = data;
+ char *entry;
+ int cmp;
+
+ gtk_tree_model_get(model, iter, 0, &entry, -1);
+ cmp = strcmp(entry, string);
+
+ /* Stop. The entry is bigger than the new one */
+ if (cmp > 0)
+ return TRUE;
+
+ /* Exact match */
+ if (!cmp) {
+ found_string_entry = MATCH_EXACT;
+ return TRUE;
+ }
+
+ string_entry_location = *iter;
+ found_string_entry = MATCH_AFTER;
+ return FALSE;
+}
+
+static int match_list(GtkListStore *list, const char *string)
+{
+ found_string_entry = MATCH_PREPEND;
+ gtk_tree_model_foreach(GTK_TREE_MODEL(list), match_string_entry, (void *)string);
+ return found_string_entry;
+}
+
+static GtkListStore *location_list, *people_list;
+
+static void add_string_list_entry(const char *string, GtkListStore *list)
+{
+ GtkTreeIter *iter, loc;
+
+ if (!string || !*string)
+ return;
+
+ switch (match_list(list, string)) {
+ case MATCH_EXACT:
+ return;
+ case MATCH_PREPEND:
+ iter = NULL;
+ break;
+ case MATCH_AFTER:
+ iter = &string_entry_location;
+ break;
+ }
+ gtk_list_store_insert_after(list, &loc, iter);
+ gtk_list_store_set(list, &loc, 0, string, -1);
+}
+
+void add_people(const char *string)
+{
+ add_string_list_entry(string, people_list);
+}
+
+void add_location(const char *string)
+{
+ add_string_list_entry(string, location_list);
+}
+