Keyboard capture for VNC from qube to external host

[apparatus]

@piapiac

Some type 2 hypervisors have a feature for keyboard capture. When activated, most keystrokes and keyboard shortcuts are forwarded to the VM. You can toggle this mode with a global keyboard shortcut, like VirtualBox has right-ctrl as host key by default. How to reach something similar in Qubes OS?

Mouse and Keyboard passthrough to Windows HVM

I have found a solution that works but definitely needs to be cleaned up. The performance is great though. For example my use of mkfifo and cat feels very hacky and I imagine there is a better way using file descriptors (like in the init file). Anyways, here is the full setup: 0. Proceed with caution! Make sure to make a backup copy of qemu-stubdom-linux-full-kernel and qemu-stubdom-linux-full-rootfs in /usr/libexec/xen/boot/ so you can always go back to a working system. I do not know about …