wxWidgets has sizers where elements sit inside them and grow/shrink as necessary...

72deluxe 7 months ago | parent | context | favorite | on: More macOS 26.3 Finder column view silliness

wxWidgets has sizers where elements sit inside them and grow/shrink as necessary. Amusingly the macOS version is based on Cocoa, which I presume Finder is also based on...