Friedemann Kleint
a3e20df03d
Polish the SimpleTreeModel example
- Fix/silence most clang-tidy/compiler warnings
* unsigned/int comparison
* Avoid repeating return / default parameter types
* Make functions static/use static invocations
* Use string literals everywhere
* Use auto * for pointers
* Streamline code, use ternary operators
* Move constructor parameters
* Observe rule of 5 by using Q_DISABLE_COPY_MOVE
- Add some bells && whistles, resize properly, expand all
Complements 25027444a9b53d61a6257dc5f5ce0ffdb3b06f98.
Pick-to: 6.6
Change-Id: I78f48d187981ecabf69a5d4d42715bad026fa9e6
Reviewed-by: Kai Köhne <kai.koehne@qt.io>