[gthumb/ext] make the filter case insensitive

[Paolo Bacchilega <paobac src gnome org>]

commit d25e1a6af4ede0e388c02e9ff3227d09b65166ee
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Thu Nov 12 23:01:58 2009 +0100

    make the filter case insensitive
    
    [bug #601695]

 gthumb/gth-test-simple.c |   15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)
---
diff --git a/gthumb/gth-test-simple.c b/gthumb/gth-test-simple.c
index 0c891f3..8ebb937 100644
--- a/gthumb/gth-test-simple.c
+++ b/gthumb/gth-test-simple.c
@@ -428,31 +428,33 @@ test_string (GthTestSimple *test,
 	     const char    *value)
 {
 	gboolean  result = FALSE;
+	char     *value1;
 	char     *value2;
 
 	if ((test->priv->data.s == NULL) || (value == NULL))
 		return FALSE;
 
+	value1 = g_utf8_casefold (test->priv->data.s, -1);
 	value2 = g_utf8_casefold (value, -1);
 
 	switch (test->priv->op) {
 	case GTH_TEST_OP_EQUAL:
-		result = g_utf8_collate (value2, test->priv->data.s) == 0;
+		result = g_utf8_collate (value2, value1) == 0;
 		break;
 	case GTH_TEST_OP_LOWER:
-		result = g_utf8_collate (value2, test->priv->data.s) < 0;
+		result = g_utf8_collate (value2, value1) < 0;
 		break;
 	case GTH_TEST_OP_GREATER:
-		result = g_utf8_collate (value2, test->priv->data.s) > 0;
+		result = g_utf8_collate (value2, value1) > 0;
 		break;
 	case GTH_TEST_OP_CONTAINS:
-		result = g_strstr_len (value2, -1, test->priv->data.s) != NULL;
+		result = g_strstr_len (value2, -1, value1) != NULL;
 		break;
 	case GTH_TEST_OP_STARTS_WITH:
-		result = g_str_has_prefix (value2, test->priv->data.s);
+		result = g_str_has_prefix (value2, value1);
 		break;
 	case GTH_TEST_OP_ENDS_WITH:
-		result = g_str_has_suffix (value2, test->priv->data.s);
+		result = g_str_has_suffix (value2, value1);
 		break;
 	case GTH_TEST_OP_MATCHES:
 		if (test->priv->pattern == NULL)
@@ -464,6 +466,7 @@ test_string (GthTestSimple *test,
 	}
 
 	g_free (value2);
+	g_free (value1);
 
 	return result;
 }