It is stems 100% from the terminal emulator. Just install a better one. Test your keys with https://metacpan.org/source/PEVANS/Tickit-0.67/examples/demo...
Screenshot: https://i.imgur.com/JfHjJXy.png
The only key combos marked not ok are global/taken by the window manager, so they don't arrive at the application.
It is stems 100% from the terminal emulator. Just install a better one. Test your keys with https://metacpan.org/source/PEVANS/Tickit-0.67/examples/demo...
Screenshot: https://i.imgur.com/JfHjJXy.png
The only key combos marked not ok are global/taken by the window manager, so they don't arrive at the application.