+static void
+gtk_volume_button_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkScaleButton *button = GTK_SCALE_BUTTON (object);
+
+ switch (prop_id)
+ {
+ case PROP_SYMBOLIC:
+ if (g_value_get_boolean (value))
+ gtk_scale_button_set_icons (button, (const char **) icons_symbolic);
+ else
+ gtk_scale_button_set_icons (button, (const char **) icons);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_volume_button_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ switch (prop_id)
+ {
+ case PROP_SYMBOLIC: {
+ char **icon_list;
+
+ g_object_get (object, "icons", &icon_list, NULL);
+ if (icon_list != NULL &&
+ icon_list[0] != NULL &&
+ g_str_equal (icon_list[0], icons_symbolic[0]))
+ g_value_set_boolean (value, TRUE);
+ else
+ g_value_set_boolean (value, FALSE);
+ g_strfreev (icon_list);
+ break;
+ }
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+