xfway: added support for alt-tab switcher

[adlo]

> On 20 Aug 2022, at 21:50, Gaël Bonithon <trash.paradise at protonmail.com> wrote:
> 
> @adlo: Could you give some indications on how to launch your compositor? When I try to launch it in a tty, I get a warning "cannot open display". I tried some values for DISPLAY, but without result.

The executable is currently called "hopalong".

It also needs to be installed in order to work.

So, compile it like so:

meson build
ninja -C build
ninja -C build install

Then run it using the following command:

hopalong

> I used an executable that I had built from commit ff5b18818, because the last commit b84f8fa doesn't build for me (we can see that in PM if you want).

What error is it giving you?

Regards
adlo