root@host:~# cat /home/petya/vir_mng/vir_mng.sh
#!/bin/bash

while :
do
        read -s -n 1 keypressed
        case "$keypressed" in
                1) sudo /home/petya/vir_mng/HIDtoWin.sh;;
                2) sudo /home/petya/vir_mng/HIDtoLin.sh;;
                *) ;;
        esac
done

root@host:~# cat /home/petya/vir_mng/HIDtoWin.sh
#!/bin/bash

virsh -c qemu:///system detach-device debian9-dt usb_mouse.xml --live > /dev/null 2>&1
virsh -c qemu:///system detach-device debian9-dt usb_kb.xml --live > /dev/null 2>&1
virsh -c qemu:///system attach-device win7_440 usb_mouse.xml --live > /dev/null 2>&1
virsh -c qemu:///system attach-device win7_440 usb_kb.xml --live > /dev/null 2>&1

root@host:~# cat /home/petya/vir_mng/usb_mouse.xml
    <hostdev mode='subsystem' type='usb' managed='yes'>
      <source>
        <vendor id='0x046d'/>
        <product id='0xc051'/>
      </source>
    </hostdev>