A small hack that allows to manipulate windows on GNOME Shell / Wayland

gnome_shell_wayland_meta_window_hack.py

#!/usr/bin/env python

import json

import pydbus


GNOME_SHELL = "org.gnome.Shell"
META_WINDOW_JS = """
(function(params) {

    function _findWindow(windowTitle) {
        for (var i = 0 ; i < windowActors.length ; i++) {
            var win = windowActors[i].get_meta_window();
            if (win.get_title() == windowTitle) {
                return win;
            }
        }
        return null;
    }

    var windowActors = global.get_window_actors();
    var win = _findWindow(params.uuid);

    if (win) {
        if (params.position !== undefined) {
            win.move_frame(false, params.position[0], params.position[1]);
        }

        if (params.above === true) {
            win.make_above();
        }
        if (params.above === false) {
            win.unmake_above();
        }

        if (params.stick === true) {
            win.stick();
        }
        if (params.stick === false) {
            win.unstick();
        }
    }

})(%s);
"""


def _exec_js(js, params):
    js = js % json.dumps(params)
    bus = pydbus.SessionBus()
    shell = bus.get(GNOME_SHELL)
    shell.Eval(js)


_exec_js(META_WINDOW_JS, {
    "uuid": "Simple Screencast",
    "above": True
    })