Unless you use Qt quick which seems to be the way forward, and what many devs with html/css/js background seem to prefer.
Qt widgets look close to native UIs but the feel isn't always the same, especially when you have to juggle with different platforms (all native widgets differ in subtle ways even when their function is the same).
Qt widgets look close to native UIs but the feel isn't always the same, especially when you have to juggle with different platforms (all native widgets differ in subtle ways even when their function is the same).