[gthumb/ext] make the tag test case-insensitive

[Paolo Bacchilega <paobac src gnome org>]

commit ac7150ee8f4b6f6eebd6cf35975cfec3109e0c33
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Sep 6 18:45:20 2009 +0200

    make the tag test case-insensitive

 extensions/comments/gth-test-category.c |   15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)
---
diff --git a/extensions/comments/gth-test-category.c b/extensions/comments/gth-test-category.c
index 97ee956..1b33ffa 100644
--- a/extensions/comments/gth-test-category.c
+++ b/extensions/comments/gth-test-category.c
@@ -184,6 +184,7 @@ gth_test_category_real_match (GthTest     *test,
 	if (test_category->priv->category != NULL) {
 		GthStringList *string_list;
 		GList         *list, *scan;
+		char          *test_category_casefolded;
 
 		string_list = (GthStringList *) g_file_info_get_attribute_object (file->info, "comment::categories");
 		if (string_list != NULL)
@@ -191,14 +192,18 @@ gth_test_category_real_match (GthTest     *test,
 		else
 			list = NULL;
 
-		for (scan = list; scan; scan = scan->next) {
-			char *category = scan->data;
+		test_category_casefolded = g_utf8_casefold (test_category->priv->category, -1);
+		for (scan = list; ! result && scan; scan = scan->next) {
+			char *category;
 
-			if (g_utf8_collate (category, test_category->priv->category) == 0) {
+			category = g_utf8_casefold (scan->data, -1);
+			if (g_utf8_collate (category, test_category_casefolded) == 0)
 				result = TRUE;
-				break;
-			}
+
+			g_free (category);
 		}
+
+		g_free (test_category_casefolded);
 	}
 
         if (test_category->priv->negative)