[gnome-control-center] sound: Update the sound theme for speaker testing

[Bastien Nocera <hadess src gnome org>]

commit 8c0a2279c1d1e5ebb4d1bae0e6dbcf9879cad81e
Author: David Henningsson <david henningsson canonical com>
Date:   Mon Aug 1 16:21:27 2011 +0100

    sound: Update the sound theme for speaker testing
    
    https://bugzilla.gnome.org/show_bug.cgi?id=647254

 panels/sound/gvc-speaker-test.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/panels/sound/gvc-speaker-test.c b/panels/sound/gvc-speaker-test.c
index 1dd1bc4..6a7938e 100644
--- a/panels/sound/gvc-speaker-test.c
+++ b/panels/sound/gvc-speaker-test.c
@@ -436,6 +436,24 @@ update_channel_map (GvcSpeakerTest *speaker_test)
 }
 
 static void
+gvc_speaker_test_set_theme (ca_context *ca)
+{
+        GtkSettings *settings;
+        char *theme_name;
+
+        settings = gtk_settings_get_for_screen (gdk_screen_get_default ());
+
+        g_object_get (G_OBJECT (settings),
+                      "gtk-sound-theme-name", &theme_name,
+                      NULL);
+
+        if (theme_name)
+                ca_context_change_props (ca, CA_PROP_CANBERRA_XDG_THEME_NAME, theme_name, NULL);
+
+        g_free (theme_name);
+}
+
+static void
 gvc_speaker_test_init (GvcSpeakerTest *speaker_test)
 {
         GtkWidget *face;
@@ -447,6 +465,7 @@ gvc_speaker_test_init (GvcSpeakerTest *speaker_test)
         ca_context_change_props (speaker_test->priv->canberra,
                                  CA_PROP_APPLICATION_ID, "org.gnome.VolumeControl",
                                  NULL);
+        gvc_speaker_test_set_theme (speaker_test->priv->canberra);
 
         gtk_widget_set_direction (GTK_WIDGET (speaker_test), GTK_TEXT_DIR_LTR);
         gtk_table_resize (GTK_TABLE (speaker_test), 3, 5);