Many of these were generated by clazy using the new qevent-accessors check.
Change-Id: Ie17af17f50fdc9f47d7859d267c14568cc350fd0
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Cleanup QtWidgets examples:
- use nullptr (clang-tidy)
- use member-initialization
- adjust the style
- fix includes
Change-Id: Ic5448606aacc525ea60b615a69227017aa2b821a
Reviewed-by: Paul Wicking <paul.wicking@qt.io>