- vbox->pack_start (copy_media_button, false, false);
- vbox->pack_start (copy_external_button, false, false);
+
+ VBox* sub_vbox = manage (new VBox);
+ HBox* sub_hbox = manage (new HBox);
+ HBox* empty = manage (new HBox);
+
+ sub_vbox->pack_start (copy_media_button, false, false);
+ sub_vbox->pack_start (copy_external_button, false, false);
+
+ /* indent the two media-related buttons by some amount */
+ sub_hbox->set_spacing (24);
+ sub_hbox->pack_start (*empty, false, false);
+ sub_hbox->pack_start (*sub_vbox, false, false);
+
+ vbox->pack_start (no_include_media_button, false, false);
+ vbox->pack_start (*sub_hbox, false, false);