#!/usr/bin/env python3
# Copyright (c) 2026 Storm Dragon
# Authors: Storm Dragon, Angus Kola
# SPDX-License-Identifier: GPL-3.0-or-later
"""GTK4 fixture emitting AT-SPI announcement events on stdin commands.

Commands (one per line):
    announce polite <text>
    announce assertive <text>
"""
import os
import sys

import gi

gi.require_version("Gtk", "4.0")
gi.require_version("GdkX11", "4.0")
from gi.repository import GdkX11, GLib, Gtk


pendingInput = ""

window = Gtk.Window(title="Announcement fixture")
window.set_default_size(320, 200)
label = Gtk.Label(label="Announcement fixture")
window.set_child(label)
window.present()


def receive_command(_source, _condition):
    global pendingInput
    content = os.read(sys.stdin.fileno(), 4096)
    if not content:
        loop.quit()
        return False
    pendingInput += content.decode()
    while "\n" in pendingInput:
        command, pendingInput = pendingInput.split("\n", 1)
        parts = command.split(" ", 2)
        if len(parts) == 3 and parts[0] == "announce":
            priority = Gtk.AccessibleAnnouncementPriority.MEDIUM
            if parts[1] == "assertive":
                priority = Gtk.AccessibleAnnouncementPriority.HIGH
            window.announce(parts[2], priority)
            print("announced", parts[2], flush=True)
    return True


GLib.io_add_watch(sys.stdin.fileno(), GLib.PRIORITY_DEFAULT, GLib.IO_IN, receive_command)


def announce_ready():
    surface = window.get_surface()
    xid = GdkX11.X11Surface.get_xid(surface)
    print("ready", xid, flush=True)
    return False


GLib.timeout_add(250, announce_ready)
loop = GLib.MainLoop()
loop.run()