Tulip currently does not provide a kind of Calendar Widget. For a potential design of this widget,you could inspire yourself with odoo.com Web ERP.
The user is able to select differents times scales and he can easily re-schedule these tasks.
This is absolutely friendly-user.
Our use case is simple. The short term schedulers want to control their workload and to be able to re-schedule their production order according to multiples parameters ( component availability, operator availability, machine capacity…)