That ANT Table is not complex. QT has tons of legacy and supports way more features, yet, code is easier to grasp and maintain. Also, C# and WinForms, if you don't like C++:
This just seems like a comparison of how familiar you are with any of the UI libraries. None of these are simple. You're linking me thousands of lines of code, 6000+ in the WinForms example.
https://github.com/qt/qtbase/blob/5d1ded3359ee8bffa33a4b83d5...
That ANT Table is not complex. QT has tons of legacy and supports way more features, yet, code is easier to grasp and maintain. Also, C# and WinForms, if you don't like C++:
https://referencesource.microsoft.com/#System.Windows.Forms/...