Text input: some key combo modifiers aren't working as expected under wine

[tmarplatt]

Hello, first post incoming. Let me preface it with this line: Wine is an incredible piece of software that I'm thankful for its existence, and congratulations to everyone involved.

My setup:
I'm running Linux Mint 19.3 Cinnamon 64-bit.
I'm using the winehq-devel (5.0) package from the winehq PPA.

The issue: it's about text input with applications running under wine in general, e.g. notepad. When pressing Ctrl + Backspace, instead of deleting the word previous to the text cursor, nothing happens.

Similarly, Ctrl + Delete, which should delete just one word after the cursor, instead deletes everything until the end of line or newline.

Both of those hotkeys work as expected in all of Cinnamon's applications, but also under Windows. (I am a former Windows 7 user.)

Things I have tried to solve the issue:
- Run the applications from a win32 wineprefix
- Override riched20.dll with winetricks

Any ideas?