+ let tree = new Filetree.tree ~packing:sw#add () in
+
+ (* Wire up the loosely-coupled external components of the filetree.
+ * See the note about signals in {!Filetree.tree} documentation.
+ *)
+ ignore (tree#op_checksum_file
+ ~callback:(Op_checksum_file.checksum_file tree));
+ ignore (tree#op_copy_regvalue
+ ~callback:(Op_copy_regvalue.copy_regvalue tree));
+ ignore (tree#op_disk_usage
+ ~callback:(Op_disk_usage.disk_usage tree));
+ ignore (tree#op_download_as_reg
+ ~callback:(Op_download_as_reg.download_as_reg tree));
+ ignore (tree#op_download_dir_find0
+ ~callback:(Op_download_dir_find0.download_dir_find0 tree));
+ ignore (tree#op_download_dir_tarball
+ ~callback:(Op_download_dir_tarball.download_dir_tarball tree));
+ ignore (tree#op_download_file
+ ~callback:(Op_download_file.download_file tree));
+ ignore (tree#op_file_information
+ ~callback:(Op_file_information.file_information tree));
+ ignore (tree#op_inspection_dialog
+ ~callback:(Op_inspection_dialog.inspection_dialog tree));
+ ignore (tree#op_view_file
+ ~callback:(Op_view_file.view_file tree));
+
+ tree