I found that I can double-click the line in the inspector, which makes the corresponding item visible. The "bug" was a user error.
** Changed in: glade-3 (Ubuntu) Status: New => Invalid -- Only one top-level widget visible in the Glade design box https://bugs.launchpad.net/bugs/349724 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to glade-3 in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs