nullptr can be used directly in the Qt code since Qt 5.7.
Use it in generated code for consistency.
Change-Id: I249aeaf0a39b46ce1106b29d3ea4569a399908b7
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
uic should use Q_NULLPTR instead of 0 as the default disambiguation
context.
Task-number: QTBUG-45291
Change-Id: I889182c7fe1c4be3336f3cd645aa60838863c633
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>