[nautilus] Add eel_g_settings_add_auto_strv

[Alexander Larsson <alexl src gnome org>]

commit 77207d5ff5bade458446d5783fe6a99fc38ac6de
Author: Alexander Larsson <alexl redhat com>
Date:   Fri Jul 23 10:55:48 2010 +0200

    Add eel_g_settings_add_auto_strv

 eel/eel-glib-extensions.c |   26 ++++++++++++++++++++++++++
 eel/eel-glib-extensions.h |    3 +++
 2 files changed, 29 insertions(+), 0 deletions(-)
---
diff --git a/eel/eel-glib-extensions.c b/eel/eel-glib-extensions.c
index efc1bce..caeae68 100644
--- a/eel/eel-glib-extensions.c
+++ b/eel/eel-glib-extensions.c
@@ -1042,6 +1042,32 @@ eel_g_settings_add_auto_enum (GSettings *settings,
 }
 
 static void
+update_auto_strv (GSettings   *settings,
+		  const gchar *key,
+		  gpointer     user_data)
+{
+	char ***storage = user_data;
+
+	g_free (*storage);
+	*storage = g_settings_get_strv (settings, key);
+}
+
+void
+eel_g_settings_add_auto_strv (GSettings *settings,
+			      const char *key,
+			      char ***storage)
+{
+	char *signal;
+
+	*storage = NULL;
+	update_auto_strv (settings, key, storage);
+	signal = g_strconcat ("changed::", key, NULL);
+	g_signal_connect (settings, signal,
+			  G_CALLBACK(update_auto_strv),
+			  storage);
+}
+
+static void
 update_auto_strv_as_quarks (GSettings   *settings,
 			    const gchar *key,
 			    gpointer     user_data)
diff --git a/eel/eel-glib-extensions.h b/eel/eel-glib-extensions.h
index 2d60caf..cafbbcf 100644
--- a/eel/eel-glib-extensions.h
+++ b/eel/eel-glib-extensions.h
@@ -134,6 +134,9 @@ void        eel_g_settings_add_auto_int                 (GSettings *settings,
 void        eel_g_settings_add_auto_boolean             (GSettings *settings,
 							 const char *key,
 							 gboolean *storage);
+void        eel_g_settings_add_auto_strv		(GSettings *settings,
+							 const char *key,
+							 char ***storage);
 void        eel_g_settings_add_auto_strv_as_quarks      (GSettings *settings,
 							 const char *key,
 							 GQuark **storage);