Key combinations don't repeat when held

[Riteo]

Pixelorama version:
v0.8.2-stable

OS/device including version:
Arch Linux 5.9.11.arch2 i3/Nvidia 1060 3GB drivers version 455.45.01

Issue description:
While holding ctrl+z, ctrl+y or any other key combination, their respective action gets executed only once.
It get's tiring really fast to keep pressing the same combination over and over again.

Steps to reproduce:
Draw a bunch of lines, then hold ctrl+z. Notice how only the last action gets reverted, and nothing more.

If this isn't intended behaviour, I can send a PR myself.

[Schweini07]

I wouldn't Label this as a bug, rather a enhancement. The feature you are describing is just not implemented.
If you have nothing against it @OverloadedOrama I'd like to try to tackle this myself.

[OverloadedOrama]

I wouldn't Label this as a bug, rather a enhancement. The feature you are describing is just not implemented.
If you have nothing against it @OverloadedOrama I'd like to try to tackle this myself.

@Schweini07 Sure, go for it!

[Schweini07]

I got it to work.

It's a pretty interesting implementation and I quite like it.
I just have to wait until my move tool PR is closed to open this PR, as I am not using an extra branch for the move tool, but master, because of "complications".
See you in hell Git.

[Riteo]

@Schweini07 one small thing: IMO those action notifications should be spaced a bit, but I guess that might be a separate issue.

[Schweini07]

I thought about that, but yes I think this should be something seperate.