diff -r 44bc99559266 -r 8b6c66e09388 gtk/gtkutils.c
--- a/gtk/gtkutils.c	Wed Dec 06 02:15:28 2006 +0000
+++ b/gtk/gtkutils.c	Wed Dec 06 07:24:41 2006 +0000
@@ -2964,3 +2964,111 @@
 
 	return vbox;
 }
+
+/*
+ * "This is so dead sexy."
+ * "Two thumbs up."
+ * "Best movie of the year."
+ *
+ * This is the function that handles CTRL+F searching in the buddy list.
+ * It finds the top-most buddy/group/chat/whatever containing the
+ * entered string.
+ *
+ * It's somewhat ineffecient, because we strip all the HTML from the
+ * "name" column of the buddy list (because the GtkTreeModel does not
+ * contain the screen name in a non-markedup format).  But the alternative
+ * is to add an extra column to the GtkTreeModel.  And this function is
+ * used rarely, so it shouldn't matter TOO much.
+ */
+gboolean gaim_gtk_tree_view_search_equal_func(GtkTreeModel *model, gint column,
+			const gchar *key, GtkTreeIter *iter, gpointer data)
+{
+	gchar *enteredstring;
+	gchar *tmp;
+	gchar *withmarkup;
+	gchar *nomarkup;
+	gchar *normalized;
+	gboolean result;
+	size_t i;
+	size_t len;
+	PangoLogAttr *log_attrs;
+	gchar *word;
+
+	if (strcasecmp(key, "Global Thermonuclear War") == 0)
+	{
+		gaim_notify_info(NULL, "WOPR",
+				"Wouldn't you prefer a nice game of chess?", NULL);
+		return FALSE;
+	}
+
+	gtk_tree_model_get(model, iter, column, &withmarkup, -1);
+	if (withmarkup == NULL)   /* This is probably a separator */
+		return TRUE;
+
+	tmp = g_utf8_normalize(key, -1, G_NORMALIZE_DEFAULT);
+	enteredstring = g_utf8_casefold(tmp, -1);
+	g_free(tmp);
+
+	nomarkup = gaim_markup_strip_html(withmarkup);
+	tmp = g_utf8_normalize(nomarkup, -1, G_NORMALIZE_DEFAULT);
+	g_free(nomarkup);
+	normalized = g_utf8_casefold(tmp, -1);
+	g_free(tmp);
+
+	if (gaim_str_has_prefix(normalized, enteredstring))
+	{
+		g_free(withmarkup);
+		g_free(enteredstring);
+		g_free(normalized);
+		return FALSE;
+	}
+
+
+	/* Use Pango to separate by words. */
+	len = g_utf8_strlen(normalized, -1);
+	log_attrs = g_new(PangoLogAttr, len + 1);
+
+	pango_get_log_attrs(normalized, strlen(normalized), -1, NULL, log_attrs, len + 1);
+
+	word = normalized;
+	result = TRUE;
+	for (i = 0; i < (len - 1) ; i++)
+	{
+		if (log_attrs[i].is_word_start &&
+		    gaim_str_has_prefix(word, enteredstring))
+		{
+			result = FALSE;
+			break;
+		}
+		word = g_utf8_next_char(word);
+	}
+	g_free(log_attrs);
+
+/* The non-Pango version. */
+#if 0
+	word = normalized;
+	result = TRUE;
+	while (word[0] != '\0')
+	{
+		gunichar c = g_utf8_get_char(word);
+		if (!g_unichar_isalnum(c))
+		{
+			word = g_utf8_find_next_char(word, NULL);
+			if (gaim_str_has_prefix(word, enteredstring))
+			{
+				result = FALSE;
+				break;
+			}
+		}
+		else
+			word = g_utf8_find_next_char(word, NULL);
+	}
+#endif
+
+	g_free(withmarkup);
+	g_free(enteredstring);
+	g_free(normalized);
+
+	return result;
+}
+