first pass at preferences dialog

1 files changed, 45 insertions, 0 deletions

diff --git a/src/utils.c b/src/utils.c
new file mode 100644
index 0000000..69143b9
--- /dev/null
+++ b/src/utils.c
@@ -0,0 +1,45 @@
+/* -*- Mode: C; coding: utf-8; indent-tabs-mode: nil; tab-width: 2 -*-
+
+A dialog for setting time and date preferences.
+
+Copyright 2010 Canonical Ltd.
+
+Authors:
+    Michael Terry <michael.terry@canonical.com>
+
+This program is free software: you can redistribute it and/or modify it 
+under the terms of the GNU General Public License version 3, as published 
+by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful, but 
+WITHOUT ANY WARRANTY; without even the implied warranties of 
+MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR 
+PURPOSE.  See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along 
+with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <locale.h>
+#include <langinfo.h>
+#include <string.h>
+#include "utils.h"
+
+/* Check the system locale setting to see if the format is 24-hour
+   time or 12-hour time */
+gboolean
+is_locale_12h (void)
+{
+	static const char *formats_24h[] = {"%H", "%R", "%T", "%OH", "%k", NULL};
+	const char *t_fmt = nl_langinfo (T_FMT);
+	int i;
+
+	for (i = 0; formats_24h[i]; ++i) {
+		if (strstr (t_fmt, formats_24h[i])) {
+			return FALSE;
+		}
+	}
+
+	return TRUE;
+}
+