On 04/01/2018 16:56, Samuel Thibault wrote: >> However, adding magic to "-device usb-braille" that creates both a >> front-end and a back-end is completely the opposite of sane... > Well, this is also what happens with -device usb-mouse, usb-kbd etc.: > they also plug with keyboard & mouse pipes of the qemu graphical > frontend. braille is just the same vein for the user.
No, they don't create a new UI object magically that wasn't there before. They just let you add a device, e.g. a USB tablet, that listens on an _existing_ UI (GTK+ or SDL or similar). Paolo
