I am aware of the
cycle_workspaces setting but I want to have two shortcuts:
cycles over the windows of the current workspace
cycles over the windows of all workspaces
Great for jeremija, but his code gives me an error. I found this easier:
This is not exactly what you are looking for, but may help.
Sve this code to a file (don't forget chmod +x) and map a hotkey to execute this script, for example Win+Tab. This script will toggle the /general/cycle_workspaces setting so that the next time you use Alt+Tab it will cycle only the current workspace or all workspaces.
You can customize what is included in Alt + Tab using
Maybe in addition to Alt + Tab you want to use a task-switcher such as