--- /dev/null
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Matthias Clasen
+ */
+
+#include <config.h>
+#include <gio.h>
+
+static void
+key_changed (GSettings *settings,
+ const gchar *key)
+{
+ GVariant *v;
+ gchar *value;
+
+ v = g_settings_get_value (settings, key);
+ value = g_variant_print (v, FALSE);
+ g_print ("%s\n", value);
+ g_free (value);
+ g_variant_unref (v);
+}
+
+int
+main (int argc, char *argv[])
+{
+ gboolean do_get = FALSE;
+ gboolean do_set = FALSE;
+ gboolean do_writable = FALSE;
+ gboolean do_monitor = FALSE;
+
+ gchar *path = NULL;
+ gchar *schema;
+ gchar *key;
+ gchar *value;
+
+ GSettings *settings;
+ GVariant *v;
+
+ GOptionContext *context;
+ GOptionEntry entries[] = {
+ { "get", 'g', 0, G_OPTION_ARG_NONE, &do_get, "get a key", NULL },
+ { "set", 's', 0, G_OPTION_ARG_NONE, &do_set, "set a key", NULL },
+ { "writable", 'w', 0, G_OPTION_ARG_NONE, &do_writable, "check if key is writable", NULL },
+ { "monitor", 'm', 0, G_OPTION_ARG_NONE, &do_monitor, "monitor key for changes", NULL },
+ { "path", 'p', 0, G_OPTION_ARG_STRING, &path, "path for the schema" },
+ { NULL }
+ };
+ GError *error;
+
+ g_type_init ();
+
+ context = g_option_context_new ("SCHEMA KEY [VALUE]");
+
+ g_option_context_set_summary (context, "Manipulate GSettings configuration");
+
+ g_option_context_add_main_entries (context, entries, NULL);
+
+ error = NULL;
+ if (!g_option_context_parse (context, &argc, &argv, &error))
+ {
+ g_printerr ("%s\n", error->message);
+ return 1;
+ }
+
+ if (do_get + do_set + do_writable + do_monitor != 1)
+ {
+ g_printerr ("You must specify exactly one of --get, --set, --writable or --monitor\n");
+ return 1;
+ }
+
+ if (do_get || do_writable || do_monitor)
+ {
+ if (argc != 3)
+ {
+ g_printerr ("You must specify a schema and a key\n");
+ return 1;
+ }
+
+ schema = argv[1];
+ key = argv[2];
+ }
+ else if (do_set)
+ {
+ if (argc != 4)
+ {
+ g_printerr ("You must specify a schema, a key and a value\n");
+ return 1;
+ }
+
+ schema = argv[1];
+ key = argv[2];
+ value = argv[3];
+ }
+
+ settings = g_settings_new_with_path (schema, path);
+
+ if (do_get)
+ {
+ v = g_settings_get_value (settings, key);
+
+ g_print ("%s\n", g_variant_print (v, FALSE));
+
+ return 0;
+ }
+ else if (do_writable)
+ {
+ gboolean writable;
+
+ if (g_settings_is_writable (settings, key))
+ g_print ("true\n");
+ else
+ g_print ("false\n");
+
+ return 0;
+ }
+ else if (do_set)
+ {
+ const GVariantType *type;
+ GError *error;
+
+ v = g_settings_get_value (settings, key);
+ type = g_variant_get_type (v);
+ g_variant_unref (v);
+
+ error = NULL;
+ v = g_variant_parse (type, value, NULL, NULL, &error);
+ if (v == NULL)
+ {
+ g_printerr ("%s\n", error->message);
+ return 1;
+ }
+
+ if (!g_settings_set_value (settings, key, v))
+ {
+ g_printerr ("Key %s is not writable\n", key);
+ return 1;
+ }
+ }
+ else if (do_monitor)
+ {
+ gchar *detailed_signal;
+ GMainLoop *loop;
+
+ detailed_signal = g_strdup_printf ("changed::%s", key);
+ g_signal_connect (settings, detailed_signal,
+ G_CALLBACK (key_changed), NULL);
+
+ loop = g_main_loop_new (NULL, FALSE);
+ g_main_loop_run (loop);
+ }
+
+ return 0;
+}