qubes-dmenu-sensible

#!/bin/bash

get_id() {
    local id=$(xprop -root _NET_ACTIVE_WINDOW)
    echo ${id##* } # extract id
}

get_vm() {
    local id=$(get_id)
    local vm=$(xprop -id $id | grep '_QUBES_VMNAME(STRING)')
    local vm=${vm#*\"} # extract vmname
    echo ${vm%\"*} # extract vmname
}

main() {
    local vm=$(get_vm)
    if [[ -n "$vm" ]]; then
	    /usr/local/bin/dmenu_run vm "$vm"
    else # run terminal in dom0
	    /usr/local/bin/dmenu_run dom0
    fi
}

main $@