#!/data/data/com.termux/files/usr/bin/env python
# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>

# Imports {{{
import base64
import json
import os
import re
import socket
import subprocess
import sys
from collections.abc import Callable, Container, Generator, Iterable, Iterator, Sequence
from contextlib import contextmanager, suppress
from functools import partial
from gettext import gettext as _
from gettext import ngettext
from math import floor
from time import sleep
from typing import (
    TYPE_CHECKING,
    Any,
    Literal,
    Optional,
    Union,
    cast,
)
from weakref import WeakValueDictionary

from kitty.types import WindowResizeDrag

from .child import cached_process_data, default_env, process_data_cache, set_default_env
from .cli import create_opts, green, parse_args
from .cli_stub import CLIOptions, SaveAsSessionOptions
from .clipboard import (
    Clipboard,
    ClipboardType,
    get_clipboard_string,
    get_primary_selection,
    set_clipboard_string,
    set_primary_selection,
)
from .colors import ColorSchemes, theme_colors
from .conf.utils import BadLine, KeyAction, to_cmdline
from .config import common_opts_as_dict, prepare_config_file_for_editing, store_effective_config
from .constants import (
    RC_ENCRYPTION_PROTOCOL_VERSION,
    appname,
    cache_dir,
    clear_handled_signals,
    config_dir,
    handled_signals,
    is_macos,
    is_wayland,
    kitten_exe,
    kitty_exe,
    logo_png_file,
    supports_primary_selection,
    website_url,
)
from .fast_data_types import (
    BOTTOM_EDGE,
    CLOSE_BEING_CONFIRMED,
    GLFW_FKEY_ESCAPE,
    GLFW_MOD_ALT,
    GLFW_MOD_CONTROL,
    GLFW_MOD_SHIFT,
    GLFW_MOD_SUPER,
    GLFW_MOUSE_BUTTON_LEFT,
    GLFW_PRESS,
    IMPERATIVE_CLOSE_REQUESTED,
    LEFT_EDGE,
    NO_CLOSE_REQUESTED,
    RIGHT_EDGE,
    TOP_EDGE,
    ChildMonitor,
    Color,
    EllipticCurveKey,
    KeyEvent,
    SingleKey,
    add_timer,
    apply_options_update,
    background_opacity_of,
    change_background_opacity,
    change_drag_thumbnail,
    cocoa_hide_app,
    cocoa_hide_other_apps,
    cocoa_minimize_os_window,
    cocoa_set_menubar_title,
    create_os_window,
    current_application_quit_request,
    current_focused_os_window_id,
    current_os_window,
    destroy_global_data,
    focus_os_window,
    get_boss,
    get_options,
    get_os_window_size,
    get_tab_being_dragged,
    get_window_being_dragged,
    glfw_get_monitor_workarea,
    global_font_size,
    grab_keyboard,
    is_layer_shell_supported,
    last_focused_os_window_id,
    load_png_data,
    macos_cycle_through_os_windows,
    mark_os_window_for_close,
    monitor_pid,
    monotonic,
    os_window_focus_counters,
    os_window_font_size,
    redirect_mouse_handling,
    ring_bell,
    run_with_activation_token,
    safe_pipe,
    send_data_to_peer,
    set_application_quit_request,
    set_background_image,
    set_boss,
    set_options,
    set_os_window_chrome,
    set_os_window_size,
    set_os_window_title,
    set_tab_being_dragged,
    set_window_being_dragged,
    start_drag_with_data,
    thread_write,
    toggle_fullscreen,
    toggle_maximized,
    toggle_os_window_visibility,
    toggle_secure_input,
    viewport_for_window,
    wrapped_kitten_names,
)
from .key_encoding import get_name_to_functional_number_map
from .keys import Mappings
from .layout.base import set_layout_options
from .notifications import NotificationManager
from .options.types import Options, nullable_colors
from .options.utils import MINIMUM_FONT_SIZE, KeyboardMode, KeyDefinition
from .os_window_size import initial_window_size_func
from .session import (
    Session,
    close_session_with_confirm,
    create_sessions,
    default_save_as_session_opts,
    get_os_window_sizing_data,
    goto_session,
    most_recent_session,
    save_as_session,
)
from .shaders import load_shader_programs
from .simple_cli_definitions import grab_keyboard_docs
from .tabs import SpecialWindow, SpecialWindowInstance, Tab, TabDict, TabManager
from .types import AsyncResponse, LayerShellConfig, SingleInstanceData, WindowSystemMouseEvent, ac
from .typing_compat import PopenType, TypedDict
from .utils import (
    cleanup_ssh_control_masters,
    func_name,
    get_editor,
    get_new_os_window_size,
    is_ok_to_read_image_file,
    is_path_in_temp_dir,
    less_version,
    log_error,
    macos_version,
    open_url,
    parse_address_spec,
    parse_os_window_state,
    platform_window_id,
    resolve_custom_file,
    safe_print,
    sanitize_url_for_display_to_user,
    shlex_split,
    startup_notification_handler,
    timed_debug_print,
    which,
)
from .window import CommandOutput, CwdRequest, Window, global_watchers

if TYPE_CHECKING:

    from .fast_data_types import OSWindowSize
    from .rc.base import ResponseType
# }}}

RCResponse = Union[dict[str, Any], None, AsyncResponse]


class OSWindowDict(TypedDict):
    id: int
    platform_window_id: int | None
    is_focused: bool
    is_active: bool
    last_focused: bool
    tabs: list[TabDict]
    active_tab_history: tuple[int, ...]
    wm_class: str
    wm_name: str
    background_opacity: float


class Atexit:

    def __init__(self) -> None:
        self.worker: subprocess.Popen[bytes] | None = None

    def _write_line(self, line: str) -> None:
        if '\n' in line:
            raise ValueError('Newlines not allowed in atexit arguments: {path!r}')
        w = self.worker
        if w is None:
            w = self.worker = subprocess.Popen([kitten_exe(), '__atexit__'], stdin=subprocess.PIPE, stdout=subprocess.DEVNULL, close_fds=True)
            assert w.stdin is not None
            os.set_inheritable(w.stdin.fileno(), False)
        assert w.stdin is not None
        w.stdin.write((line + '\n').encode())
        w.stdin.flush()

    def unlink(self, path: str) -> None:
        self._write_line(f'unlink {path}')

    def shm_unlink(self, path: str) -> None:
        self._write_line(f'shm_unlink {path}')

    def rmtree(self, path: str) -> None:
        self._write_line(f'rmtree {path}')


def listen_on(spec: str, robust_atexit: Atexit) -> tuple[int, str]:
    import socket
    family, address, socket_path = parse_address_spec(spec)
    s = socket.socket(family)
    s.bind(address)
    if family == socket.AF_UNIX and socket_path:
        robust_atexit.unlink(socket_path)
    s.listen()
    if isinstance(address, tuple):  # tcp socket
        h, resolved_port = s.getsockname()[:2]
        spec = spec.rpartition(':')[0] + f':{resolved_port}'
    import atexit
    atexit.register(s.close)  # prevents s from being garbage collected
    return s.fileno(), spec


def data_for_at(w: Window | None, arg: str, add_wrap_markers: bool = False) -> str | None:
    if not w:
        return None

    def as_text(**kw: bool) -> str:
        kw['add_wrap_markers'] = add_wrap_markers
        return w.as_text(**kw) if w else ''

    if arg == '@selection':
        return w.text_for_selection()
    if arg in ('@ansi', '@ansi_screen_scrollback'):
        return as_text(as_ansi=True, add_history=True)
    if arg in ('@text', '@screen_scrollback'):
        return as_text(add_history=True)
    if arg == '@screen':
        return as_text()
    if arg == '@ansi_screen':
        return as_text(as_ansi=True)
    if arg == '@alternate':
        return as_text(alternate_screen=True)
    if arg == '@alternate_scrollback':
        return as_text(alternate_screen=True, add_history=True)
    if arg == '@ansi_alternate':
        return as_text(as_ansi=True, alternate_screen=True)
    if arg == '@ansi_alternate_scrollback':
        return as_text(as_ansi=True, alternate_screen=True, add_history=True)
    if arg == '@first_cmd_output_on_screen':
        return w.cmd_output(CommandOutput.first_on_screen, add_wrap_markers=add_wrap_markers)
    if arg == '@ansi_first_cmd_output_on_screen':
        return w.cmd_output(CommandOutput.first_on_screen, as_ansi=True, add_wrap_markers=add_wrap_markers)
    if arg == '@last_cmd_output':
        return w.cmd_output(CommandOutput.last_run, add_wrap_markers=add_wrap_markers)
    if arg == '@ansi_last_cmd_output':
        return w.cmd_output(CommandOutput.last_run, as_ansi=True, add_wrap_markers=add_wrap_markers)
    if arg == '@last_visited_cmd_output':
        return w.cmd_output(CommandOutput.last_visited, add_wrap_markers=add_wrap_markers)
    if arg == '@ansi_last_visited_cmd_output':
        return w.cmd_output(CommandOutput.last_visited, as_ansi=True, add_wrap_markers=add_wrap_markers)
    return None


class DumpCommands:  # {{{

    def __init__(self, args: CLIOptions):
        self.draw_dump_buf: list[str] = []
        self.dump_commands = args.dump_commands
        if args.dump_bytes:
            self.dump_bytes_to = open(args.dump_bytes, 'wb')

    def __call__(self, window_id: int, what: str, *a: Any) -> None:
        if what == 'draw':
            if self.dump_commands:
                self.draw_dump_buf.append(a[0])
        elif what == 'bytes':
            self.dump_bytes_to.write(a[0])
            self.dump_bytes_to.flush()
        elif what == 'error':
            log_error(*a)
        elif self.dump_commands:
            if self.draw_dump_buf:
                safe_print('draw', ''.join(self.draw_dump_buf))
                self.draw_dump_buf = []
            def fmt(x: Any) -> Any:
                if isinstance(x, (bytes, memoryview)):
                    return str(x, 'utf-8', 'replace')
                if isinstance(x, dict):
                    return json.dumps({k: fmt(v) for k, v in x.items()})
                return x
            safe_print(what, *map(fmt, a), flush=True)
# }}}


class VisualSelect:

    def __init__(
        self,
        tab_id: int,
        os_window_id: int,
        prev_tab_id: int | None,
        prev_os_window_id: int | None,
        title: str,
        callback: Callable[[Tab | None, Window | None], None],
        reactivate_prev_tab: bool
    ) -> None:
        self.tab_id = tab_id
        self.os_window_id = os_window_id
        self.prev_tab_id = prev_tab_id
        self.prev_os_window_id = prev_os_window_id
        self.callback = callback
        self.window_ids: list[int] = []
        self.window_used_for_selection_id = 0
        self.reactivate_prev_tab = reactivate_prev_tab
        set_os_window_title(self.os_window_id, title)

    def cancel(self) -> None:
        self.clear_global_state()
        self.activate_prev_tab()
        self.callback(None, None)

    def trigger(self, window_id: int) -> None:
        boss = self.clear_global_state()
        self.activate_prev_tab()
        w = boss.window_id_map.get(window_id)
        if w is None:
            self.callback(None, None)
        else:
            tab = w.tabref()
            if tab is None:
                self.callback(None, None)
            else:
                self.callback(tab, w)

    def clear_global_state(self) -> 'Boss':
        set_os_window_title(self.os_window_id, '')
        boss = get_boss()
        redirect_mouse_handling(False)
        for wid in self.window_ids:
            w = boss.window_id_map.get(wid)
            if w is not None:
                w.screen.set_window_char()
        if self.window_used_for_selection_id:
            w = boss.window_id_map.get(self.window_used_for_selection_id)
            if w is not None:
                boss.mark_window_for_close(w)
        return boss

    def activate_prev_tab(self) -> None:
        if not self.reactivate_prev_tab or self.prev_tab_id is None:
            return None
        boss = get_boss()
        tm = boss.os_window_map.get(self.os_window_id)
        if tm is not None:
            t = tm.tab_for_id(self.prev_tab_id)
            if t is not tm.active_tab and t is not None:
                tm.set_active_tab(t)
        if current_focused_os_window_id() != self.prev_os_window_id and self.prev_os_window_id is not None:
            focus_os_window(self.prev_os_window_id, True)


class Boss:

    def __init__(
        self,
        opts: Options,
        args: CLIOptions,
        cached_values: dict[str, Any],
        global_shortcuts: dict[str, SingleKey],
        talk_fd: int = -1,
    ):
        self.drag_resize_of_window = WindowResizeDrag()
        self.atexit = Atexit()
        set_layout_options(opts)
        self.clipboard = Clipboard()
        self.window_for_dispatch: Window | None = None
        self.primary_selection = Clipboard(ClipboardType.primary_selection)
        self.update_check_started = False
        self.peer_data_map: dict[int, dict[str, Sequence[str]] | None] = {}
        self.background_process_death_notify_map: dict[int, Callable[[int, Exception | None], None]] = {}
        self.encryption_key = EllipticCurveKey()
        self.encryption_public_key = f'{RC_ENCRYPTION_PROTOCOL_VERSION}:{base64.b85encode(self.encryption_key.public).decode("ascii")}'
        self.clipboard_buffers: dict[str, str] = {}
        self.update_check_process: Optional['PopenType[bytes]'] = None
        self.window_id_map: WeakValueDictionary[int, Window] = WeakValueDictionary()
        self.color_settings_at_startup: dict[str, Color | None] = {
                k: opts[k] for k in opts if isinstance(opts[k], Color) or k in nullable_colors}
        self.current_visual_select: VisualSelect | None = None
        # A list of events received so far that are potentially part of a sequence keybinding.
        self.cached_values = cached_values
        self.os_window_map: dict[int, TabManager] = {}
        self.os_window_death_actions: dict[int, Callable[[], None]] = {}
        self.cursor_blinking = True
        self.shutting_down = False
        self.misc_config_errors: list[str] = []
        # we dont allow reloading the config file to change
        # allow_remote_control
        self.allow_remote_control = opts.allow_remote_control
        if self.allow_remote_control in ('y', 'yes', 'true'):
            self.allow_remote_control = 'y'
        elif self.allow_remote_control in ('n', 'no', 'false'):
            self.allow_remote_control = 'n'
        self.listening_on: str = ''
        listen_fd = -1
        if args.listen_on and self.allow_remote_control in ('y', 'socket', 'socket-only', 'password'):
            try:
                listen_fd, self.listening_on = listen_on(args.listen_on, self.atexit)
            except Exception:
                self.misc_config_errors.append(f'Invalid listen_on={args.listen_on}, ignoring')
                log_error(self.misc_config_errors[-1])
        self.child_monitor: ChildMonitor = ChildMonitor(
            self.on_child_death,
            DumpCommands(args) if args.dump_commands or args.dump_bytes else None,
            talk_fd, listen_fd, self.listening_on.startswith('unix:')
        )
        self.args: CLIOptions = args
        self.mouse_handler: Callable[[WindowSystemMouseEvent], None] | None = None
        set_boss(self)
        self.mappings: Mappings = Mappings(global_shortcuts, self.refresh_active_tab_bar)
        self.notification_manager: NotificationManager = NotificationManager(debug=self.args.debug_keyboard or self.args.debug_rendering)
        self.atexit.unlink(store_effective_config())

    def startup_first_child(self, os_window_id: int | None, startup_sessions: Iterable[Session] = ()) -> None:
        si = startup_sessions or create_sessions(get_options(), self.args, default_session=get_options().startup_session)
        focused_os_window = wid = 0
        token = os.environ.pop('XDG_ACTIVATION_TOKEN', '')
        with Window.set_ignore_focus_changes_for_new_windows():
            for startup_session in si:
                # The window state from the CLI options will override and apply to every single OS window in startup session
                wstate = self.args.start_as if self.args.start_as and self.args.start_as != 'normal' else None
                wid = self.add_os_window(startup_session, window_state=wstate, os_window_id=os_window_id)
                if startup_session.focus_os_window:
                    focused_os_window = wid
                os_window_id = None
            if focused_os_window > 0:
                focus_os_window(focused_os_window, True, token)
            elif token and is_wayland() and wid:
                focus_os_window(wid, True, token)
        for w in self.all_windows:
            w.ignore_focus_changes = False

    def add_os_window(
        self,
        startup_session: Session | None = None,
        os_window_id: int | None = None,
        wclass: str | None = None,
        wname: str | None = None,
        window_state: str | None = None,
        opts_for_size: Options | None = None,
        startup_id: str | None = None,
        override_title: str | None = None,
        x: int | None = None,
        y: int | None = None,
    ) -> int:
        if os_window_id is None:
            size_data = get_os_window_sizing_data(opts_for_size or get_options(), startup_session)
            wclass = wclass or getattr(startup_session, 'os_window_class', None) or self.args.cls or appname
            wname = wname or getattr(startup_session, 'os_window_name', None) or self.args.name or wclass
            wtitle = override_title or getattr(startup_session, 'os_window_title', None) or self.args.title
            window_state = window_state or getattr(startup_session, 'os_window_state', None)
            wstate = parse_os_window_state(window_state) if window_state is not None else None
            with startup_notification_handler(do_notify=startup_id is not None, startup_id=startup_id) as pre_show_callback:
                os_window_id = create_os_window(
                        initial_window_size_func(size_data, self.cached_values),
                        pre_show_callback,
                        wtitle or appname, wname, wclass, wstate, disallow_override_title=bool(wtitle), x=x, y=y)
        else:
            wname = self.args.name or self.args.cls or appname
            wclass = self.args.cls or appname
        tm = TabManager(os_window_id, self.args, wclass, wname, startup_session)
        self.os_window_map[os_window_id] = tm
        return os_window_id

    def add_os_panel(self, cfg: LayerShellConfig, wclass: str | None = appname, wname: str | None = appname) -> int:
        if not is_layer_shell_supported():
            raise RuntimeError('Creating desktop panels is not supported on this platform')
        wclass = wclass or appname
        wname = wname or appname
        size_data = get_os_window_sizing_data(get_options(), None)
        os_window_id = create_os_window(
            initial_window_size_func(size_data, {}), lambda *a: None, appname, wname, wclass, None, layer_shell_config=cfg)
        tm = TabManager(os_window_id, self.args, wclass, wname, None)
        self.os_window_map[os_window_id] = tm
        return os_window_id

    def list_os_windows(
        self, self_window: Window | None = None,
        tab_filter: Callable[[Tab], bool] | None = None,
        window_filter: Callable[[Window], bool] | None = None
    ) -> Iterator[OSWindowDict]:
        with cached_process_data():
            active_tab_manager = self.active_tab_manager
            focused_wid = current_focused_os_window_id()
            last_focused = last_focused_os_window_id()
            for os_window_id, tm in self.os_window_map.items():
                tabs = list(tm.list_tabs(self_window, tab_filter, window_filter))
                if tabs:
                    bo = background_opacity_of(os_window_id)
                    if bo is None:
                        bo = 1
                    yield {
                        'id': os_window_id,
                        'platform_window_id': platform_window_id(os_window_id),
                        'is_active': tm is active_tab_manager,
                        'is_focused': focused_wid == os_window_id,
                        'last_focused': os_window_id == last_focused,
                        'tabs': tabs,
                        'active_tab_history': tuple(tm.active_tab_history),
                        'wm_class': tm.wm_class,
                        'wm_name': tm.wm_name,
                        'background_opacity': bo,
                    }

    def serialize_state_as_session(self, session_path: str = '', ser_opts: SaveAsSessionOptions | None = None) -> Iterator[str]:
        if ser_opts is None:
            ser_opts = default_save_as_session_opts()
        matched_windows = frozenset(self.match_windows(ser_opts.match)) if ser_opts.match else None
        s = {current_focused_os_window_id(): 2, last_focused_os_window_id(): 1}
        for i, os_window_id in enumerate(sorted(self.os_window_map, key=lambda wid: s.get(wid, 0))):
            tm = self.os_window_map[os_window_id]
            yield from tm.serialize_state_as_session(session_path, matched_windows, is_first=i==0, ser_opts=ser_opts)

    @property
    def all_tab_managers(self) -> Iterator[TabManager]:
        yield from self.os_window_map.values()

    @property
    def all_tabs(self) -> Iterator[Tab]:
        for tm in self.all_tab_managers:
            yield from tm

    @property
    def all_windows(self) -> Iterator[Window]:
        for tab in self.all_tabs:
            yield from tab

    def match_windows(self, match: str, self_window: Optional['Window'] = None, all_windows: Iterable[Window] | None = None) -> Iterator[Window]:
        all_windows = self.all_windows if all_windows is None else all_windows
        if match == 'all':
            yield from all_windows
            return
        from .search_query_parser import search
        tab = self.active_tab
        if current_focused_os_window_id() <= 0:
            tm = self.os_window_map.get(last_focused_os_window_id())
            if tm is not None:
                tab = tm.active_tab
        wids = {w.id for w in all_windows}
        window_id_limit = max(wids, default=-1) + 1
        active_session = self.active_session
        prev_active_session = most_recent_session()

        def get_matches(location: str, query: str, candidates: set[int]) -> set[int]:
            if location == 'id' and query.startswith('-'):
                try:
                    q = int(query)
                except Exception:
                    return set()
                if q < 0:
                    query = str(window_id_limit + q)
            return {wid for wid in candidates if self.window_id_map[wid].matches_query(location, query, tab, self_window, active_session, prev_active_session)}

        for wid in search(match, (
            'id', 'title', 'pid', 'cwd', 'cmdline', 'num', 'env', 'var', 'recent', 'state', 'neighbor', 'session',
        ), wids, get_matches):
            yield self.window_id_map[wid]

    def match_tabs(self, match: str, all_tabs: Iterable[Tab] | None = None) -> Iterator[Tab]:
        all_tabs = self.all_tabs if all_tabs is None else all_tabs
        if match == 'all':
            yield from all_tabs
            return
        from .search_query_parser import search
        tm = self.active_tab_manager
        if current_focused_os_window_id() <= 0:
            tm = self.os_window_map.get(last_focused_os_window_id()) or tm
        tim = {t.id: t for t in all_tabs}
        tab_id_limit = max(tim, default=-1) + 1
        window_id_limit = max(self.window_id_map, default=-1) + 1
        active_session = self.active_session
        prev_active_session = most_recent_session()

        def get_matches(location: str, query: str, candidates: set[int]) -> set[int]:
            if location in ('id', 'window_id') and query.startswith('-'):
                try:
                    q = int(query)
                except Exception:
                    return set()
                if q < 0:
                    limit = tab_id_limit if location == 'id' else window_id_limit
                    query = str(limit + q)
            return {wid for wid in candidates if tim[wid].matches_query(location, query, tm, active_session, prev_active_session)}

        found = False
        for tid in search(match, (
            'id', 'index', 'title', 'window_id', 'window_title', 'pid', 'cwd', 'env', 'var',
            'cmdline', 'recent', 'state', 'session',
        ), set(tim), get_matches):
            found = True
            yield tim[tid]

        if not found:
            tabs = {w.tabref() for w in self.match_windows(match)}
            for q in tabs:
                if q:
                    yield q

    def focus_os_window(self, os_window_id: int, if_needed_only: bool = True) -> bool:
        if if_needed_only and current_focused_os_window_id() == os_window_id:
            return False

        def doit(token: str = '') -> None:
            focus_os_window(os_window_id, True, token)

        if is_wayland():
            if not run_with_activation_token(doit):
                doit()
        else:
            doit()
        return True

    def set_active_window(
        self, window: Window | int, switch_os_window_if_needed: bool = False, for_keep_focus: bool = False, activation_token: str = ''
    ) -> int | None:
        if isinstance(window, int):
            window = self.window_id_map.get(window, 0)
            if isinstance(window, int):
                return None
        for os_window_id, tm in self.os_window_map.items():
            for tab in tm:
                for w in tab:
                    if w.id == window.id:
                        if tab is not self.active_tab:
                            tm.set_active_tab(tab, for_keep_focus=window.tabref() if for_keep_focus else None)
                        tab.set_active_window(w, for_keep_focus=window if for_keep_focus else None)
                        if switch_os_window_if_needed and current_focused_os_window_id() != os_window_id:
                            if activation_token or not is_wayland():
                                focus_os_window(os_window_id, True, activation_token)
                            else:
                                def doit(token: str = '') -> None:
                                    focus_os_window(os_window_id, True, token)
                                if not run_with_activation_token(doit):
                                    doit()
                        return os_window_id
        return None

    def _new_os_window(self, args: SpecialWindowInstance | Iterable[str], cwd_from: CwdRequest | None = None) -> int:
        if isinstance(args, SpecialWindowInstance):
            sw: SpecialWindowInstance | None = args
        else:
            sw = self.args_to_special_window(args, cwd_from) if args else None
        startup_session = next(create_sessions(get_options(), special_window=sw, cwd_from=cwd_from))
        startup_session.session_name = ''
        ans = self.add_os_window(startup_session)
        if cwd_from is not None and (sow := cwd_from.window) and (tm := self.os_window_map.get(ans)):
            session_name = sow.created_in_session_name
            if not session_name and (sow_tab := sow.tabref()):
                session_name = sow_tab.created_in_session_name
            if session_name:
                for tab in tm:
                    tab.created_in_session_name = session_name
                    for w in tab:
                        w.created_in_session_name = session_name
        return ans

    @ac('win', 'New OS Window')
    def new_os_window(self, *args: str) -> None:
        self._new_os_window(args)

    @property
    def active_window_for_cwd(self) -> Window | None:
        t = self.active_tab
        if t is not None:
            return t.active_window_for_cwd
        return None

    @ac('win', '''
        New OS Window with the same working directory as the currently active window.
        The new OS Window is added to the currently active :ref:`session <sessions>`, if any.
    ''')
    def new_os_window_with_cwd(self, *args: str) -> None:
        w = self.window_for_dispatch or self.active_window_for_cwd
        self._new_os_window(args, CwdRequest(w))

    def new_os_window_with_wd(self, wd: str | list[str], str_is_multiple_paths: bool = False) -> None:
        if isinstance(wd, str):
            wd = wd.split(os.pathsep) if str_is_multiple_paths else [wd]
        for path in wd:
            special_window = SpecialWindow(None, cwd=path)
            self._new_os_window(special_window)

    def add_child(self, window: Window) -> None:
        assert window.child.pid is not None and window.child.child_fd is not None
        self.child_monitor.add_child(window.id, window.child.pid, window.child.child_fd, window.screen)
        self.window_id_map[window.id] = window

    def _handle_remote_command(self, cmd: memoryview, window: Window | None = None, peer_id: int = 0) -> RCResponse:
        from .remote_control import is_cmd_allowed, parse_cmd, remote_control_allowed
        response = None
        window = window or None
        from_socket = peer_id > 0
        is_fd_peer = from_socket and peer_id in self.peer_data_map
        window_has_remote_control = bool(window and window.allow_remote_control)
        if not window_has_remote_control and not is_fd_peer:
            if self.allow_remote_control == 'n':
                return {'ok': False, 'error': 'Remote control is disabled'}
            if self.allow_remote_control == 'socket-only' and not from_socket:
                return {'ok': False, 'error': 'Remote control is allowed over a socket only'}
        try:
            pcmd = parse_cmd(cmd, self.encryption_key)
        except Exception as e:
            log_error(f'Failed to parse remote command with error: {e}')
            return response
        if not pcmd:
            return response
        self_window: Window | None = None
        if window is not None:
            self_window = window
        else:
            try:
                swid = int(pcmd.get('kitty_window_id', 0))
            except Exception:
                pass
            else:
                if swid > 0:
                    self_window = self.window_id_map.get(swid)

        extra_data: dict[str, Any] = {}
        try:
            allowed_unconditionally = (
                self.allow_remote_control == 'y' or
                (from_socket and not is_fd_peer and self.allow_remote_control in ('socket-only', 'socket')) or
                (window and window.remote_control_allowed(pcmd, extra_data)) or
                (is_fd_peer and remote_control_allowed(pcmd, self.peer_data_map.get(peer_id), None, extra_data))
            )
        except PermissionError:
            return {'ok': False, 'error': 'Remote control disallowed by window specific password'}
        if allowed_unconditionally:
            return self._execute_remote_command(pcmd, window, peer_id, self_window)
        q = is_cmd_allowed(pcmd, window, from_socket, extra_data)
        if q is True:
            return self._execute_remote_command(pcmd, window, peer_id, self_window)
        if q is None:
            if self.ask_if_remote_cmd_is_allowed(pcmd, window, peer_id, self_window):
                return AsyncResponse()
        response = {'ok': False, 'error': 'Remote control is disabled. Add allow_remote_control to your kitty.conf'}
        if q is False and pcmd.get('password'):
            response['error'] = 'The user rejected this password or it is disallowed by remote_control_password in kitty.conf'
        no_response = pcmd.get('no_response') or False
        if no_response:
            return None
        return response

    def ask_if_remote_cmd_is_allowed(
        self, pcmd: dict[str, Any], window: Window | None = None, peer_id: int = 0, self_window: Window | None = None
    ) -> bool:
        from kittens.tui.operations import styled
        in_flight = 0
        for w in self.window_id_map.values():
            if w.window_custom_type == 'remote_command_permission_dialog':
                in_flight += 1
                if in_flight > 4:
                    log_error('Denying remote command permission as there are too many existing permission requests')
                    return False
        wid = 0 if window is None else window.id
        hidden_text = styled(pcmd['password'], fg='yellow')
        overlay_window = self.choose(
            _('A program wishes to control kitty.\n'
              'Action: {1}\n' 'Password: {0}\n\n' '{2}'
              ).format(
                  hidden_text, styled(pcmd['cmd'], fg='magenta'),
                  '\x1b[m' + styled(_(
                      'Note that allowing the password will allow all future actions using the same password, in this kitty instance.'
                  ), dim=True, italic=True)),
            partial(self.remote_cmd_permission_received, pcmd, wid, peer_id, self_window),
            'a;green:Allow request', 'p;yellow:Allow password', 'r;magenta:Deny request', 'd;red:Deny password',
            window=window, default='a', hidden_text=hidden_text, title=_('Allow remote control?'),
        )
        if overlay_window is None:
            return False
        overlay_window.window_custom_type = 'remote_command_permission_dialog'
        return True

    def remote_cmd_permission_received(self, pcmd: dict[str, Any], window_id: int, peer_id: int, self_window: Window | None, choice: str) -> None:
        from .remote_control import encode_response_for_peer, set_user_password_allowed
        response: RCResponse = None
        window = self.window_id_map.get(window_id)
        choice = choice or 'r'
        if choice in ('r', 'd'):
            if choice == 'd':
                set_user_password_allowed(pcmd['password'], False)
            no_response = pcmd.get('no_response') or False
            if not no_response:
                response = {'ok': False, 'error': 'The user rejected this ' + ('request' if choice == 'r' else 'password')}
        elif choice in ('a', 'p'):
            if choice == 'p':
                set_user_password_allowed(pcmd['password'], True)
            response = self._execute_remote_command(pcmd, window, peer_id, self_window)
        if window is not None and response is not None and not isinstance(response, AsyncResponse):
            window.send_cmd_response(response)
        if peer_id > 0:
            if response is None:
                send_data_to_peer(peer_id, b'')
            elif isinstance(response, AsyncResponse):
                send_data_to_peer(peer_id, b'', True)
            else:
                send_data_to_peer(peer_id, encode_response_for_peer(response))

    def _execute_remote_command(
        self, pcmd: dict[str, Any], window: Window | None = None, peer_id: int = 0, self_window: Window | None = None
    ) -> RCResponse:
        from .remote_control import handle_cmd
        try:
            response = handle_cmd(self, window, pcmd, peer_id, self_window)
        except Exception as err:
            import traceback
            response = {'ok': False, 'error': str(err)}
            if not getattr(err, 'hide_traceback', False):
                response['tb'] = traceback.format_exc()
        return response

    @ac('misc', '''
        Run a remote control command without needing to allow remote control

        For example::

            map f1 remote_control set-spacing margin=30

        See :ref:`rc_mapping` for details.
        ''')
    def remote_control(self, *args: str) -> None:
        try:
            self.call_remote_control(self.window_for_dispatch or self.active_window, args)
        except (Exception, SystemExit) as e:
            import shlex
            self.show_error(_('remote_control mapping failed'), shlex.join(args) + '\n' + str(e))

    @ac('misc', '''
        Run a remote control script without needing to allow remote control

        For example::

            map f1 remote_control_script /path/to/script arg1 arg2 ...

        See :ref:`rc_mapping` for details. Relative paths are resolved with respect
        to the kitty config directory.
        ''')
    def remote_control_script(self, path: str, *args: str) -> None:
        path = resolve_custom_file(path)
        path = which(path) or path
        if not os.access(path, os.X_OK):
            self.show_error('Remote control script not executable', f'The script {path} is not executable check its permissions')
            return
        self.run_background_process([path] + list(args), allow_remote_control=True)

    def call_remote_control(self, self_window: Window | None, args: tuple[str, ...]) -> 'ResponseType':
        from .rc.base import PayloadGetter, command_for_name, parse_subcommand_cli
        from .remote_control import parse_rc_args
        aa = list(args)
        silent = False
        if aa and aa[0].startswith('!'):
            aa[0] = aa[0][1:]
            silent = True
        try:
            global_opts, items = parse_rc_args(['@'] + aa)
            if not items:
                return None
            cmd = items[0]
            c = command_for_name(cmd)
            opts, items = parse_subcommand_cli(c, items)
            payload = c.message_to_kitty(global_opts, opts, items)
        except SystemExit as e:
            raise Exception(str(e)) from e
        import types
        try:
            if isinstance(payload, types.GeneratorType):
                for x in payload:
                    c.response_from_kitty(self, self_window, PayloadGetter(c, x if isinstance(x, dict) else {}))
                return None
            pd = cast(dict[str, Any], payload if isinstance(payload, dict) else {})
            return c.response_from_kitty(self, self_window, PayloadGetter(c, pd))
        except Exception as e:
            if silent:
                log_error(f'Failed to run remote_control mapping: {aa} with error: {e}')
                return None
            raise

    def peer_message_received(self, msg_bytes: bytes, peer_id: int, is_remote_control: bool) -> bytes | bool | None:
        if peer_id > 0 and msg_bytes == b'peer_death':
            self.peer_data_map.pop(peer_id, None)
            return False
        if is_remote_control:
            cmd_prefix = b'\x1bP@kitty-cmd'
            terminator = b'\x1b\\'
            if msg_bytes.startswith(cmd_prefix) and msg_bytes.endswith(terminator):
                cmd = memoryview(msg_bytes)[len(cmd_prefix):-len(terminator)]
                response = self._handle_remote_command(cmd, peer_id=peer_id)
                if response is None:
                    return None
                if isinstance(response, AsyncResponse):
                    return True
                from kitty.remote_control import encode_response_for_peer
                return encode_response_for_peer(response)
            log_error('Malformatted remote control message received from peer, ignoring')
            return None

        try:
            data:SingleInstanceData = json.loads(msg_bytes.decode('utf-8'))
        except Exception:
            log_error('Malformed command received over single instance socket, ignoring')
            return None
        if isinstance(data, dict) and data.get('cmd') == 'new_instance':
            if data['args'][0] == 'panel':
                from kittens.panel.main import handle_single_instance_command
                handle_single_instance_command(self, data['args'], data['environ'], data.get('notify_on_os_window_death', ''))
                return None
            from .cli_stub import CLIOptions
            startup_id = data['environ'].get('DESKTOP_STARTUP_ID', '')
            activation_token = data['environ'].get('XDG_ACTIVATION_TOKEN', '')
            try:
                args, rest = parse_args(list(data['args'][1:]), result_class=CLIOptions)
            except BaseException as e:
                self.show_error(_('Invalid single instance command received'), _('The command: {0} is invalid with error: {1}').format(
                    data['args'], e))
                return None
            cmdline_args_for_open = data.get('cmdline_args_for_open')
            if cmdline_args_for_open:
                self.launch_urls(*cmdline_args_for_open, no_replace_window=True)
                return None
            args.args = rest
            opts = create_opts(args)
            if data['session_data']:
                if data['session_data'] == 'none':
                    args.session = 'none'
                else:
                    from .session import PreReadSession
                    args.session = PreReadSession(data['session_data'], data['environ'], data['session_arg'], data['session_path'])
            else:
                args.session = ''
            if not os.path.isabs(args.directory):
                args.directory = os.path.join(data['cwd'], args.directory)
            from .launch import parse_os_window_position
            pos_x, pos_y = (None, None) if is_wayland() else parse_os_window_position(args.position)
            from .child import process_env
            clean_env = process_env(data['environ'])
            focused_os_window = os_window_id = 0
            for session in create_sessions(opts, args, respect_cwd=True, env_when_no_session=clean_env):
                if not session.has_non_background_processes:
                    # background only do not create an OS Window
                    from .launch import LaunchSpec, launch
                    for tab in session.tabs:
                        for window in tab.windows:
                            if window.is_background_process:
                                assert isinstance(window.launch_spec, LaunchSpec)
                                launch(get_boss(), window.launch_spec.opts, window.launch_spec.args)
                    continue
                wstate = args.start_as if args.start_as and args.start_as != 'normal' else None
                os_window_id = self.add_os_window(
                    session, wclass=args.cls, wname=args.name, opts_for_size=opts, startup_id=startup_id,
                    override_title=args.title or None, window_state=wstate, x=pos_x, y=pos_y)
                if session.focus_os_window:
                    focused_os_window = os_window_id
                global_opts = get_options()
                if opts.background_opacity != global_opts.background_opacity:
                    self._set_os_window_background_opacity(os_window_id, opts.background_opacity)
                if opts.background_image != global_opts.background_image:
                    self.set_background_image(
                        opts.background_image[0] if opts.background_image else None, (os_window_id,), False,
                        layout=opts.background_image_layout,
                        linear_interpolation=opts.background_image_linear,
                        tint=opts.background_tint,
                        tint_gaps=opts.background_tint_gaps)
                if n := data.get('notify_on_os_window_death'):
                    self.os_window_death_actions[os_window_id] = partial(self.notify_on_os_window_death, n)
            if focused_os_window > 0:
                focus_os_window(focused_os_window, True, activation_token)
            elif activation_token and is_wayland() and os_window_id:
                focus_os_window(os_window_id, True, activation_token)
        else:
            log_error('Unknown message received over single instance socket, ignoring')
        return None

    def quick_access_terminal_invoked(self) -> None:
        for os_window_id in self.os_window_map:
            toggle_os_window_visibility(os_window_id, move_to_active_screen=True)

    def handle_remote_cmd(self, cmd: memoryview, window: Window | None = None) -> None:
        response = self._handle_remote_command(cmd, window)
        if response is not None and not isinstance(response, AsyncResponse) and window is not None:
            window.send_cmd_response(response)

    def mark_os_window_for_close(self, os_window_id: int, request_type: int = IMPERATIVE_CLOSE_REQUESTED) -> None:
        if self.current_visual_select is not None and self.current_visual_select.os_window_id == os_window_id:
            self.cancel_current_visual_select()
        mark_os_window_for_close(os_window_id, request_type)

    def _cleanup_tab_after_window_removal(self, src_tab: Tab) -> None:
        if len(src_tab) < 1:
            tm = src_tab.tab_manager_ref()
            if tm is not None:
                tm.remove(src_tab)
                src_tab.destroy()
                if len(tm) == 0:
                    if not self.shutting_down:
                        self.mark_os_window_for_close(src_tab.os_window_id)

    @contextmanager
    def suppress_focus_change_events(self) -> Generator[None, None, None]:
        changes = {}
        for w in self.window_id_map.values():
            changes[w] = w.ignore_focus_changes
            w.ignore_focus_changes = True
        try:
            yield
        finally:
            for w, val in changes.items():
                w.ignore_focus_changes = val

    def on_child_death(self, window_id: int, child_died: bool, exit_status: int) -> None:
        prev_active_window = self.active_window
        window = self.window_id_map.pop(window_id, None)
        if window is None:
            return
        window.child_died, window.child_exit_status = child_died, exit_status
        window.child_exit_code = os.waitstatus_to_exitcode(exit_status)
        with self.suppress_focus_change_events():
            for close_action in window.actions_on_close:
                try:
                    close_action(window)
                except Exception:
                    import traceback
                    traceback.print_exc()
            os_window_id = window.os_window_id
            window.destroy()
            tm = self.os_window_map.get(os_window_id)
            tab = None
            if tm is not None:
                for q in tm:
                    if window in q:
                        tab = q
                        break
            if tab is not None:
                tab.remove_window(window)
                self._cleanup_tab_after_window_removal(tab)
            for removal_action in window.actions_on_removal:
                try:
                    removal_action(window)
                except Exception:
                    import traceback
                    traceback.print_exc()
            del window.actions_on_close[:], window.actions_on_removal[:]

        window = self.active_window
        if window is not prev_active_window:
            if prev_active_window is not None:
                prev_active_window.focus_changed(False)
            if window is not None:
                window.focus_changed(True)

    def mark_window_for_close(self, q: Window | None | int = None) -> None:
        if isinstance(q, int):
            window = self.window_id_map.get(q)
            if window is None:
                return
        else:
            window = q or self.active_window
        if window:
            self.child_monitor.mark_for_close(window.id)

    @ac('win', 'Close the currently active window')
    def close_window(self) -> None:
        self.mark_window_for_close(self.window_for_dispatch)

    def close_windows_with_confirmation_msg(self, windows: Iterable[Window], active_window: Window | None = None) -> tuple[str, int]:
        num_running_programs = 0
        num_background_programs = 0
        count_background = get_options().confirm_os_window_close[1]
        running_program = background_program = ''
        windows = sorted(windows, key=lambda w: 0 if w is active_window else 1)
        with cached_process_data():
            for window in windows:
                if window.has_running_program:
                    num_running_programs += 1
                    running_program = running_program or (window.child.foreground_cmdline or [''])[0]
                elif count_background and (bp := window.child.background_processes):
                    num_background_programs += len(bp)
                    for q in bp:
                        background_program = background_program or (q['cmdline'] or [''])[0]
        if num := num_running_programs + num_background_programs:
            if num_running_programs:
                return ngettext(_('It is running: {0}.'), _('It is running: {0} and {1} other programs.'), num_running_programs).format(
                        green(running_program), num_running_programs - 1), num
            if num_background_programs:
                return ngettext(_('It is running: {0} in the background.'), _(
                    'It is running: {0} in the background and {1} other programs.'),
                    num_background_programs).format(green(background_program), num_background_programs - 1) + ' ' + _(
                            '\n\nBackground programs should be run with the disown command'
                            ' to allow them to continue running when the terminal is closed.'), num
        return '', 0

    @ac('win', '''
    Close window with confirmation

    Asks for confirmation before closing the window. If you don't want the
    confirmation when the window is sitting at a shell prompt
    (requires :ref:`shell_integration`), use::

        map f1 close_window_with_confirmation ignore-shell
    ''')
    def close_window_with_confirmation(self, ignore_shell: bool = False) -> None:
        window = self.window_for_dispatch or self.active_window
        if window is None:
            return
        msg = self.close_windows_with_confirmation_msg((window,), window)[0]
        if not msg and not ignore_shell:
            msg = _('It is running a shell.')
        if msg:
            msg = _('Are you sure you want to close this window?') + ' ' + msg
            self.confirm(msg, self.handle_close_window_confirmation, window.id, window=window, title=_('Close window?'))
        else:
            self.mark_window_for_close(window)

    def handle_close_window_confirmation(self, allowed: bool, window_id: int) -> None:
        if allowed:
            self.mark_window_for_close(window_id)

    @ac('tab', 'Close the current tab')
    def close_tab(self, tab: Tab | None = None) -> None:
        if tab is None and self.window_for_dispatch:
            tab = self.window_for_dispatch.tabref()
        tab = tab or self.active_tab
        if tab:
            self.confirm_tab_close(tab)

    @property
    def active_tab_manager_with_dispatch(self) -> TabManager | None:
        if self.window_for_dispatch:
            td = self.window_for_dispatch.tabref()
            tm = td.tab_manager_ref() if td else None
        else:
            tm = self.active_tab_manager
        return tm

    @ac('tab', 'Close all the tabs in the current OS window other than the currently active tab')
    def close_other_tabs_in_os_window(self) -> None:
        tm = self.active_tab_manager_with_dispatch
        if tm is not None and len(tm.tabs) > 1:
            active_tab = self.active_tab
            for tab in tm:
                if tab is not active_tab:
                    self.close_tab(tab)

    @ac('win', 'Close all other OS Windows other than the OS Window containing the currently active window')
    def close_other_os_windows(self) -> None:
        active = self.active_tab_manager_with_dispatch
        if active is not None:
            for x in self.os_window_map.values():
                if x is not active:
                    self.mark_os_window_for_close(x.os_window_id)

    def confirm(
        self, msg: str,  # can contain newlines and ANSI formatting
        callback: Callable[..., None],  # called with True or False and *args
        *args: Any,  # passed to the callback function
        window: Window | None = None,  # the window associated with the confirmation
        confirm_on_cancel: bool = False,  # on closing window
        confirm_on_accept: bool = True,  # on pressing enter
        title: str = ''  # window title
    ) -> Window:
        result: bool = False

        def callback_(res: dict[str, Any], x: int, boss: Boss) -> None:
            nonlocal result
            result = res.get('response') == 'y'

        def on_popup_overlay_removal(wid: int, boss: Boss) -> None:
            callback(result, *args)

        cmd = ['--type=yesno', '--message', msg, '--default', 'y' if confirm_on_accept else 'n']
        if title:
            cmd += ['--title', title]
        w = self.run_kitten_with_metadata(
            'ask', cmd, window=window, custom_callback=callback_, action_on_removal=on_popup_overlay_removal,
            default_data={'response': 'y' if confirm_on_cancel else 'n'})
        assert isinstance(w, Window)
        return w

    def choose(
        self, msg: str,  # can contain newlines and ANSI formatting
        callback: Callable[..., None],  # called with the choice or empty string when aborted
        *choices: str,   # The choices, see the help for the ask kitten for format of a choice
        window: Window | None = None,  # the window associated with the confirmation
        default: str = '',  # the default choice when the user presses Enter
        hidden_text: str = '',  # text to hide in the message
        hidden_text_placeholder: str = 'HIDDEN_TEXT_PLACEHOLDER',  # placeholder text to insert in to message
        unhide_key: str = 'u',  # key to press to unhide hidden text
        title: str = '' # window title
    ) -> Window | None:
        result: str = ''

        def callback_(res: dict[str, Any], x: int, boss: Boss) -> None:
            nonlocal result
            result = res.get('response') or ''

        if hidden_text:
            msg = msg.replace(hidden_text, hidden_text_placeholder)
        cmd = ['--type=choices', '--message', msg]
        if default:
            cmd += ['-d', default]
        for c in choices:
            cmd += ['-c', c]
        if hidden_text:
            cmd += ['--hidden-text-placeholder', hidden_text_placeholder, '--unhide-key', unhide_key]
            input_data = hidden_text
        else:
            input_data = None
        if title:
            cmd += ['--title', title]

        def on_popup_overlay_removal(wid: int, boss: Boss) -> None:
            callback(result)

        ans = self.run_kitten_with_metadata(
            'ask', cmd, window=window, custom_callback=callback_, input_data=input_data, default_data={'response': ''},
            action_on_removal=on_popup_overlay_removal
        )
        if isinstance(ans, Window):
            return ans
        return None

    def get_line(
        self, msg: str,  # can contain newlines and ANSI formatting
        callback: Callable[..., None],  # called with the answer or empty string when aborted
        window: Window | None = None,  # the window associated with the confirmation
        prompt: str = '> ',
        is_password: bool = False,
        initial_value: str = '',
        window_title: str = '',
    ) -> Window | None:
        result: str = ''

        def callback_(res: dict[str, Any], x: int, boss: Boss) -> None:
            nonlocal result
            result = res.get('response') or ''

        def on_popup_overlay_removal(wid: int, boss: Boss) -> None:
            callback(result)

        cmd = ['--type', 'password' if is_password else 'line', '--message', msg, '--prompt', prompt]
        if initial_value:
            cmd.append('--default=' + initial_value)
        if window_title:
            cmd.append(f'--title={window_title}')
        w = self.run_kitten_with_metadata(
            'ask', cmd, window=window, custom_callback=callback_, default_data={'response': ''}, action_on_removal=on_popup_overlay_removal
        )
        return w if isinstance(w, Window) else None

    def get_save_filepath(
        self, msg: str,  # can contain newlines and ANSI formatting
        callback: Callable[..., None],  # called with the answer or empty string when aborted
        window: Window | None = None,  # the window associated with the confirmation
        prompt: str = '> ',
        initial_value: str = ''
    ) -> None:
        result: str = ''

        def callback_(res: dict[str, Any], x: int, boss: Boss) -> None:
            nonlocal result
            result = res.get('response') or ''

        def on_popup_overlay_removal(wid: int, boss: Boss) -> None:
            callback(result)

        cmd = ['--type', 'file', '--message', msg, '--prompt', prompt]
        if initial_value:
            cmd.append('--default=' + initial_value)
        self.run_kitten_with_metadata(
            'ask', cmd, window=window, custom_callback=callback_, default_data={'response': ''}, action_on_removal=on_popup_overlay_removal
        )

    def confirm_tab_close(self, tab: Tab) -> None:
        msg, num_active_windows = self.close_windows_with_confirmation_msg(tab, tab.active_window)
        x = get_options().confirm_os_window_close[0]
        num = num_active_windows if x < 0 else len(tab)
        needs_confirmation = x != 0 and num >= abs(x)
        if not needs_confirmation:
            self.close_tab_no_confirm(tab)
            return
        msg = msg or _('It has {} windows?').format(num)
        if tab is not self.active_tab:
            tm = tab.tab_manager_ref()
            if tm is not None:
                tm.set_active_tab(tab)
        if tab.confirm_close_window_id and tab.confirm_close_window_id in self.window_id_map:
            w = self.window_id_map[tab.confirm_close_window_id]
            if w in tab:
                tab.set_active_window(w)
                return
        msg = _('Are you sure you want to close this tab?') + ' ' + msg
        w = self.confirm(msg, self.handle_close_tab_confirmation, tab.id, window=tab.active_window, title=_('Close tab?'))
        tab.confirm_close_window_id = w.id

    def handle_close_tab_confirmation(self, confirmed: bool, tab_id: int) -> None:
        for tab in self.all_tabs:
            if tab.id == tab_id:
                tab.confirm_close_window_id = 0
                break
        else:
            return
        if not confirmed:
            return
        self.close_tab_no_confirm(tab)

    def close_tab_no_confirm(self, tab: Tab) -> None:
        if self.current_visual_select is not None and self.current_visual_select.tab_id == tab.id:
            self.cancel_current_visual_select()
        for window in tab:
            self.mark_window_for_close(window)

    def close_windows_no_confirm(self, windows: Sequence[Window]) -> None:
        if self.current_visual_select is not None:
            self.cancel_current_visual_select()
        for window in windows:
            self.mark_window_for_close(window)

    @ac('win', 'Toggle the fullscreen status of the active OS Window')
    def toggle_fullscreen(self, os_window_id: int = 0) -> None:
        if os_window_id == 0:
            tm = self.active_tab_manager_with_dispatch
            if tm:
                os_window_id = tm.os_window_id
        toggle_fullscreen(os_window_id)

    @ac('win', 'Toggle the maximized status of the active OS Window')
    def toggle_maximized(self, os_window_id: int = 0) -> None:
        if os_window_id == 0:
            tm = self.active_tab_manager_with_dispatch
            if tm:
                os_window_id = tm.os_window_id
        toggle_maximized(os_window_id)

    @ac('misc', 'Toggle macOS secure keyboard entry')
    def toggle_macos_secure_keyboard_entry(self) -> None:
        toggle_secure_input()

    @ac('misc', 'Cycle through OS windows on macOS')
    def macos_cycle_through_os_windows(self) -> None:
        macos_cycle_through_os_windows(False)

    @ac('misc', 'Cycle through OS windows backwards on macOS')
    def macos_cycle_through_os_windows_backwards(self) -> None:
        macos_cycle_through_os_windows(True)

    @ac('misc', 'Hide macOS kitty application')
    def hide_macos_app(self) -> None:
        cocoa_hide_app()

    @ac('misc', 'Hide macOS other applications')
    def hide_macos_other_apps(self) -> None:
        cocoa_hide_other_apps()

    @ac('misc', 'Minimize macOS window')
    def minimize_macos_window(self) -> None:
        osw_id = None
        if self.window_for_dispatch:
            tm = self.active_tab_manager_with_dispatch
            if tm:
                osw_id = tm.os_window_id
        else:
            osw_id = current_os_window()
        if osw_id is not None:
            cocoa_minimize_os_window(osw_id)

    def start(self, first_os_window_id: int, startup_sessions: Iterable[Session]) -> None:
        if not getattr(self, 'io_thread_started', False):
            self.child_monitor.start()
            self.io_thread_started = True
            for signum in self.child_monitor.handled_signals():
                handled_signals.add(signum)
            urls: list[str] = getattr(sys, 'cmdline_args_for_open', [])
            if urls:
                delattr(sys, 'cmdline_args_for_open')
                sess = create_sessions(get_options(), self.args, special_window=SpecialWindow([kitty_exe(), '+runpy', 'input()']))
                self.startup_first_child(first_os_window_id, startup_sessions=tuple(sess))
                self.launch_urls(*urls)
            else:
                self.startup_first_child(first_os_window_id, startup_sessions=startup_sessions)


        if (opts := get_options()).update_check_interval > 0 and not self.update_check_started and getattr(sys, 'frozen', False):
            from .update_check import run_update_check
            run_update_check(get_options().update_check_interval * 60 * 60)
            self.update_check_started = True
        if opts.auto_reload_config >= 0 and not hasattr(self, 'config_reload_watcher_process') and opts.all_config_paths:
            self.config_reload_watcher_process = subprocess.Popen(
                [kitten_exe(), '__watch_conf__', str(os.getpid()), str(int(opts.auto_reload_config * 1000))] +
                list(opts.all_config_paths), stdin=subprocess.PIPE)

    def handle_window_title_bar_mouse(self, os_window_id: int, window_id: int, x: float, y: float, button: int, modifiers: int, action: int) -> None:
        if tm := self.os_window_map.get(os_window_id):
            tm.handle_window_title_bar_mouse(window_id, x, y, button, modifiers, action)

    def handle_tab_bar_mouse(self, os_window_id: int, x: float, y: float, button: int, modifiers: int, action: int) -> None:
        if tm := self.os_window_map.get(os_window_id):
            tm.handle_tab_bar_mouse(x, y, button, modifiers, action)

    def start_tab_drag(self, os_window_id: int, window_id: int, pixels: bytes, width: int, height: int) -> None:
        if tm := self.os_window_map.get(os_window_id):
            tm.start_tab_drag(pixels, width, height)

    def start_window_drag(self, os_window_id: int, window_id: int, pixels: bytes, width: int, height: int) -> None:
        if tm := self.os_window_map.get(os_window_id):
            tm.start_window_drag(pixels, width, height)

    def on_window_resize(self, os_window_id: int, w: int, h: int, dpi_changed: bool) -> None:
        if dpi_changed:
            self.on_dpi_change(os_window_id)
        else:
            tm = self.os_window_map.get(os_window_id)
            if tm is not None:
                tm.resize()

    @ac('misc', '''
        Clear the terminal

        See :sc:`reset_terminal <reset_terminal>` for details. For example::

            # Reset the terminal
            map f1 clear_terminal reset active
            # Clear the terminal screen by erasing all contents
            map f1 clear_terminal clear active
            # Clear the terminal scrollback by erasing it
            map f1 clear_terminal scrollback active
            # Scroll the contents of the screen into the scrollback
            map f1 clear_terminal scroll active
            # Clear everything on screen up to the line with the cursor or the start of the current prompt (needs shell integration)
            # Useful for clearing the screen up to the shell prompt and moving the shell prompt to the top of the screen.
            map f1 clear_terminal to_cursor active
            # Same as above except cleared lines are moved into scrollback
            map f1 clear_terminal to_cursor_scroll active
            # Erase the last command and its output (needs shell integration to work)
            map f1 clear_terminal last_command active
        ''')
    def clear_terminal(self, action: str, only_active: bool) -> None:
        if only_active:
            windows = []
            w = self.window_for_dispatch or self.active_window
            if w is not None:
                windows.append(w)
        else:
            windows = list(self.all_windows)
        if action == 'reset':
            for w in windows:
                w.clear_screen(reset=True, scrollback=True)
        elif action == 'scrollback':
            for w in windows:
                w.screen.clear_scrollback()
        elif action == 'clear':
            for w in windows:
                w.clear_screen()
        elif action == 'scroll':
            for w in windows:
                w.scroll_prompt_to_top()
        elif action == 'to_cursor':
            for w in windows:
                w.scroll_prompt_to_top(clear_scrollback=True)
        elif action == 'to_cursor_scroll':
            for w in windows:
                w.scroll_prompt_to_top(clear_scrollback=False)
        elif action == 'last_command':
            for w in windows:
                w.screen.erase_last_command()
        else:
            self.show_error(_('Unknown clear type'), _('The clear type: {} is unknown').format(action))

    def increase_font_size(self) -> None:  # legacy
        cfs = global_font_size()
        self.set_font_size(min(get_options().font_size * 5, cfs + 2.0))

    def decrease_font_size(self) -> None:  # legacy
        cfs = global_font_size()
        self.set_font_size(max(MINIMUM_FONT_SIZE, cfs - 2.0))

    def restore_font_size(self) -> None:  # legacy
        self.set_font_size(get_options().font_size)

    def set_font_size(self, new_size: float) -> None:  # legacy
        self.change_font_size(True, None, new_size)

    @ac('fs', '''
        Change the font size for the current or all OS Windows

        See :ref:`conf-kitty-shortcuts.fonts` for details.
        ''')
    def change_font_size(self, all_windows: bool, increment_operation: str | None, amt: float) -> None:
        def calc_new_size(old_size: float) -> float:
            new_size = old_size
            if amt == 0:
                new_size = get_options().font_size
            else:
                if increment_operation:
                    match increment_operation:
                        case '+':
                            new_size += amt
                        case '-':
                            new_size -= amt
                        case '*':
                            new_size *= amt
                        case '/':
                            new_size /= amt
                        case _:
                            pass  # no-op
                else:
                    new_size = amt
                new_size = max(MINIMUM_FONT_SIZE, min(new_size, get_options().font_size * 10))
            return new_size

        if all_windows:
            current_global_size = global_font_size()
            new_size = calc_new_size(current_global_size)
            if new_size != current_global_size:
                global_font_size(new_size)
            os_windows = list(self.os_window_map.keys())
        else:
            os_windows = []
            w = self.window_for_dispatch or self.active_window
            if w is not None:
                os_windows.append(w.os_window_id)
        if os_windows:
            final_windows = {}
            for wid in os_windows:
                current_size = os_window_font_size(wid)
                if current_size:
                    new_size = calc_new_size(current_size)
                    if new_size != current_size:
                        final_windows[wid] = new_size
            if final_windows:
                self._change_font_size(final_windows)

    def _change_font_size(self, sz_map: dict[int, float]) -> None:
        for os_window_id, sz in sz_map.items():
            tm = self.os_window_map.get(os_window_id)
            if tm is not None:
                os_window_font_size(os_window_id, sz)
                tm.resize()

    def on_dpi_change(self, os_window_id: int) -> None:
        tm = self.os_window_map.get(os_window_id)
        if tm is not None:
            sz = os_window_font_size(os_window_id)
            if sz:
                os_window_font_size(os_window_id, sz, True)
                for tab in tm:
                    for window in tab:
                        window.on_dpi_change(sz)
                tm.resize()

    def _set_os_window_background_opacity(self, os_window_id: int, opacity: float) -> None:
        change_background_opacity(os_window_id, max(0.0, min(opacity, 1.0)))

    @ac('win', '''
        Set the background opacity for the active OS Window

        For example::

            map f1 set_background_opacity +0.1
            map f2 set_background_opacity -0.1
            map f3 set_background_opacity 0.5
        ''')
    def set_background_opacity(self, opacity: str) -> None:
        window = self.window_for_dispatch or self.active_window
        if window is None or not opacity:
            return
        if not get_options().dynamic_background_opacity:
            self.show_error(
                    _('Cannot change background opacity'),
                    _('You must set the dynamic_background_opacity option in kitty.conf to be able to change background opacity'))
            return
        os_window_id = window.os_window_id
        if opacity[0] in '+-':
            old_opacity = background_opacity_of(os_window_id)
            if old_opacity is None:
                return
            fin_opacity = old_opacity + float(opacity)
        elif opacity == 'default':
            fin_opacity = get_options().background_opacity
        else:
            fin_opacity = float(opacity)
        self._set_os_window_background_opacity(os_window_id, fin_opacity)

    @property
    def active_tab_manager(self) -> TabManager | None:
        os_window_id = current_focused_os_window_id()
        if os_window_id <= 0:
            os_window_id = last_focused_os_window_id()
        if os_window_id <= 0:
            q = current_os_window()
            if q is not None:
                os_window_id = q
        return self.os_window_map.get(os_window_id)

    @property
    def active_tab(self) -> Tab | None:
        tm = self.active_tab_manager
        return None if tm is None else tm.active_tab

    @property
    def active_window(self) -> Window | None:
        t = self.active_tab
        return None if t is None else t.active_window

    @property
    def active_session(self) -> str:
        if t := self.active_tab:
            if w := t.active_window:
                return w.created_in_session_name or t.created_in_session_name
            return t.created_in_session_name
        return ''

    @property
    def all_loaded_session_names(self) -> Iterator[str]:
        seen = set()
        for w in self.all_windows:
            if w.created_in_session_name and w.created_in_session_name not in seen:
                seen.add(w.created_in_session_name)
                yield w.created_in_session_name

    def refresh_active_tab_bar(self) -> bool:
        tm = self.active_tab_manager
        if tm:
            tm.update_tab_bar_data()
            tm.mark_tab_bar_dirty()
            return True
        return False

    @ac('misc', '''
    End the current keyboard mode switching to the previous mode.
    ''')
    def pop_keyboard_mode(self) -> bool:
        return self.mappings.pop_keyboard_mode()

    @ac('misc', '''
    Switch to the specified keyboard mode, pushing it onto the stack of keyboard modes.
    ''')
    def push_keyboard_mode(self, new_mode: str) -> None:
        self.mappings.push_keyboard_mode(new_mode)

    def dispatch_possible_special_key(self, ev: KeyEvent) -> bool:
        return self.mappings.dispatch_possible_special_key(ev)

    def on_shortcut_key_release(self, ev: KeyEvent) -> bool:
        window = self.active_window
        if window is not None:
            window.finish_scroll_animation()
        return False

    def cancel_current_visual_select(self) -> None:
        if self.current_visual_select:
            self.current_visual_select.cancel()
            self.current_visual_select = None
            self.mappings.pop_keyboard_mode_if_is('__visual_select__')

    def visual_window_select_action(
        self, tab: Tab,
        callback: Callable[[Tab | None, Window | None], None],
        choose_msg: str,
        only_window_ids: Container[int] = (),
        reactivate_prev_tab: bool = False
    ) -> None:
        import string
        self.cancel_current_visual_select()
        initial_tab_id: int | None = None
        initial_os_window_id = current_os_window()
        tm = tab.tab_manager_ref()
        if tm is not None:
            if tm.active_tab is not None:
                initial_tab_id = tm.active_tab.id
            tm.set_active_tab(tab)
        if initial_os_window_id != tab.os_window_id:
            self.focus_os_window(tab.os_window_id, False)
        self.current_visual_select = VisualSelect(tab.id, tab.os_window_id, initial_tab_id, initial_os_window_id, choose_msg, callback, reactivate_prev_tab)
        if tab.current_layout.only_active_window_visible:
            self.select_window_in_tab_using_overlay(tab, choose_msg, only_window_ids)
            return
        km = KeyboardMode('__visual_select__')
        km.on_action = 'end'
        km.keymap[SingleKey(key=GLFW_FKEY_ESCAPE)].append(KeyDefinition(definition='visual_window_select_action_trigger 0'))
        fmap = get_name_to_functional_number_map()
        alphanumerics = get_options().visual_window_select_characters
        for idx, window in tab.windows.iter_windows_with_number(only_visible=True):
            if only_window_ids and window.id not in only_window_ids:
                continue
            ac = KeyDefinition(definition=f'visual_window_select_action_trigger {window.id}')
            if idx >= len(alphanumerics):
                break
            ch = alphanumerics[idx]
            window.screen.set_window_char(ch)
            self.current_visual_select.window_ids.append(window.id)
            for mods in (0, GLFW_MOD_CONTROL, GLFW_MOD_CONTROL | GLFW_MOD_SHIFT, GLFW_MOD_SUPER, GLFW_MOD_ALT, GLFW_MOD_SHIFT):
                km.keymap[SingleKey(mods=mods, key=ord(ch.lower()))].append(ac)
                if ch in string.digits:
                    km.keymap[SingleKey(mods=mods, key=fmap[f'KP_{ch}'])].append(ac)
        if len(self.current_visual_select.window_ids) > 1:
            self.mappings._push_keyboard_mode(km)
            redirect_mouse_handling(True)
            self.mouse_handler = self.visual_window_select_mouse_handler
        else:
            self.visual_window_select_action_trigger(self.current_visual_select.window_ids[0] if self.current_visual_select.window_ids else 0)
            self.ring_bell_if_allowed(tab.os_window_id)

    def ring_bell_if_allowed(self, os_window_id: int = 0) -> bool:
        if get_options().enable_audio_bell:
            ring_bell(os_window_id or getattr(self.active_tab_manager, 'os_window_id', 0))
            return True
        return False

    def visual_window_select_action_trigger(self, window_id: int = 0) -> None:
        if self.current_visual_select:
            self.current_visual_select.trigger(int(window_id))
        self.current_visual_select = None

    def visual_window_select_mouse_handler(self, ev: WindowSystemMouseEvent) -> None:
        tab = self.active_tab
        def trigger(window_id: int = 0) -> None:
            self.visual_window_select_action_trigger(window_id)
            self.mappings.pop_keyboard_mode_if_is('__visual_select__')

        if ev.button == GLFW_MOUSE_BUTTON_LEFT and ev.action == GLFW_PRESS and ev.window_id:
            w = self.window_id_map.get(ev.window_id)
            if w is not None and tab is not None and w in tab:
                if self.current_visual_select and self.current_visual_select.tab_id == tab.id:
                    trigger(w.id)
                else:
                    trigger()
                return
        if ev.button > -1 and tab is not None:
            trigger()

    def mouse_event(
        self, in_tab_bar: bool, window_id: int, action: int, modifiers: int, button: int,
        currently_pressed_button: int, x: float, y: float
    ) -> None:
        if self.mouse_handler is not None:
            ev = WindowSystemMouseEvent(in_tab_bar, window_id, action, modifiers, button, currently_pressed_button, x, y)
            self.mouse_handler(ev)

    def select_window_in_tab_using_overlay(self, tab: Tab, msg: str, only_window_ids: Container[int] = ()) -> Window | None:
        windows: list[tuple[int | None, str]] = []
        selectable_windows: list[tuple[int, str]] = []
        for i, w in tab.windows.iter_windows_with_number(only_visible=False):
            if only_window_ids and w.id not in only_window_ids:
                windows.append((None, f'Current window: {w.title}' if w is self.active_window else w.title))
            else:
                windows.append((w.id, w.title))
                selectable_windows.append((w.id, w.title))
        if len(selectable_windows) < 2:
            self.visual_window_select_action_trigger(selectable_windows[0][0] if selectable_windows else 0)
            self.ring_bell_if_allowed(tab.os_window_id)
            return None
        cvs = self.current_visual_select

        def chosen(ans: None | int | str) -> None:
            q = self.current_visual_select
            self.current_visual_select = None
            if cvs and q is cvs:
                q.trigger(ans if isinstance(ans, int) else 0)

        return self.choose_entry(msg, windows, chosen, hints_args=('--hints-offset=0', '--alphabet', get_options().visual_window_select_characters.lower()))

    @ac('win', '''
        Resize the active window interactively

        See :ref:`window_resizing` for details.
        ''')
    def start_resizing_window(self) -> None:
        w = self.window_for_dispatch or self.active_window
        if w is None:
            return
        overlay_window = self.run_kitten_with_metadata('resize_window', args=[
            f'--horizontal-increment={get_options().window_resize_step_cells}',
            f'--vertical-increment={get_options().window_resize_step_lines}'
        ])
        if overlay_window is not None:
            overlay_window.allow_remote_control = True

    def resize_layout_window(self, window: Window, increment: float, is_horizontal: bool, reset: bool = False) -> bool | None | str:
        tab = window.tabref()
        if tab is None or not increment:
            return False
        if reset:
            tab.reset_window_sizes()
            return None
        return tab.resize_window_by(window.id, increment, is_horizontal)

    def resize_os_window(self, os_window_id: int, width: int, height: int, unit: str, incremental: bool = False, metrics: 'None | OSWindowSize' = None) -> None:
        if not incremental and (width < 0 or height < 0):
            return
        metrics = get_os_window_size(os_window_id) if metrics is None else metrics
        if metrics is None:
            return
        if metrics['is_layer_shell']:
            raise TypeError(f'The OS Window {os_window_id} is a panel and cannot be resized')
        has_window_scaling = is_macos or is_wayland()
        w, h = get_new_os_window_size(metrics, width, height, unit, incremental, has_window_scaling)
        set_os_window_size(os_window_id, w, h)

    def tab_for_id(self, tab_id: int) -> Tab | None:
        for tm in self.os_window_map.values():
            tab = tm.tab_for_id(tab_id)
            if tab is not None:
                return tab
        return None

    def default_bg_changed_for(self, window_id: int, via_escape_code: bool = False) -> None:
        w = self.window_id_map.get(window_id)
        if w is not None:
            w.on_color_scheme_preference_change(via_escape_code=via_escape_code)
            tm = self.os_window_map.get(w.os_window_id)
            if tm is not None:
                tm.update_tab_bar_data()
                tm.mark_tab_bar_dirty()
                t = tm.tab_for_id(w.tab_id)
                if t is not None:
                    t.relayout_borders()
                set_os_window_chrome(w.os_window_id)

    def dispatch_action(
        self,
        key_action: KeyAction,
        window_for_dispatch: Window | None = None,
        dispatch_type: str = 'KeyPress'
    ) -> bool:

        def report_match(f: Callable[..., Any]) -> None:
            if self.args.debug_keyboard:
                prefix = '\n' if dispatch_type == 'KeyPress' else ''
                end = ', ' if dispatch_type == 'KeyPress' else '\n'
                timed_debug_print(f'{prefix}\x1b[35m{dispatch_type}\x1b[m matched action:', func_name(f), end=end)

        if key_action is not None:
            f = getattr(self, key_action.func, None)
            if f is not None:
                orig, self.window_for_dispatch = self.window_for_dispatch, window_for_dispatch
                try:
                    report_match(f)
                    passthrough = f(*key_action.args)
                    if passthrough is not True:
                        return True
                finally:
                    self.window_for_dispatch = orig
        if window_for_dispatch is None:
            tab = self.active_tab
            window = self.active_window
        else:
            window = window_for_dispatch
            tab = window.tabref()
        if tab is None or window is None:
            return False
        if key_action is not None:
            f = getattr(tab, key_action.func, getattr(window, key_action.func, None))
            if f is not None:
                passthrough = f(*key_action.args)
                report_match(f)
                if passthrough is not True:
                    return True
        return False

    def user_menu_action(self, defn: str) -> None:
        ' Callback from user actions in the macOS global menu bar or other menus '
        self.combine(defn)

    @ac('misc', '''
        Combine multiple actions and map to a single keypress

        The syntax is::

            map key combine <separator> action1 <separator> action2 <separator> action3 ...

        For example::

            map kitty_mod+e combine : new_window : next_layout
            map kitty_mod+e combine | new_tab | goto_tab -1
        ''')
    def combine(self, action_definition: str, window_for_dispatch: Window | None = None, dispatch_type: str = 'KeyPress', raise_error: bool = False) -> bool:
        consumed = False
        if action_definition:
            try:
                actions = get_options().alias_map.resolve_aliases(action_definition, 'map' if dispatch_type == 'KeyPress' else 'mouse_map')
            except Exception as e:
                self.show_error('Failed to parse action', f'{action_definition}\n{e}')
                return True
            if actions:
                window_for_dispatch = window_for_dispatch or self.window_for_dispatch
                try:
                    if self.dispatch_action(actions[0], window_for_dispatch, dispatch_type):
                        consumed = True
                        if len(actions) > 1:
                            self.drain_actions(list(actions[1:]), window_for_dispatch, dispatch_type)
                except Exception as e:
                    if raise_error:
                        raise
                    self.show_error('Key action failed', f'{actions[0].pretty()}\n{e}')
                    consumed = True
        return consumed

    def on_focus(self, os_window_id: int, focused: bool) -> None:
        tm = self.os_window_map.get(os_window_id)
        if tm is not None:
            w = tm.active_window
            if w is not None:
                w.focus_changed(focused)
                if is_macos and focused:
                    cocoa_set_menubar_title(w.title or '')
            tm.mark_tab_bar_dirty()
            # Redraw borders when focus changes if draw_window_borders_for_single_window is enabled
            # and there's only a single window (to show inactive border when OS window loses focus)
            opts = get_options()
            if opts.draw_window_borders_for_single_window and (tab := tm.active_tab) is not None and not tab.windows.has_more_than_one_visible_group:
                tab.relayout_borders()

    def on_activity_since_last_focus(self, window: Window) -> None:
        os_window_id = window.os_window_id
        tm = self.os_window_map.get(os_window_id)
        if tm is not None:
            tm.mark_tab_bar_dirty()

    def cache_process_data(self, enable: bool) -> None:
        ' Turn on caching of process data. Must be called in enable/disable pairs. '
        if enable:
            self.process_data_cache_active = process_data_cache.start_caching()
        else:
            process_data_cache.stop_caching(self.process_data_cache_active)

    def update_tab_bar_data(self, os_window_id: int) -> None:
        tm = self.os_window_map.get(os_window_id)
        if tm is not None:
            tm.update_tab_bar_data()

    def on_drop_move(self, os_window_id: int, x: int, y: int, from_self: bool, is_leave: bool) -> None:
        if (tm := self.os_window_map.get(os_window_id)) is None:
            return
        if from_self:
            tab_id, drag_started = get_tab_being_dragged()[:2]
            if tab_id and drag_started and (tab := self.tab_for_id(tab_id)):
                central, tab_bar = viewport_for_window(os_window_id)[:2]
                in_tab_bar = tab_bar.left <= x < tab_bar.right and tab_bar.top <= y < tab_bar.bottom
                detach = not in_tab_bar or tab.os_window_id != tm.os_window_id or is_leave
                change_drag_thumbnail(tab.os_window_id, 1 if detach else 0)
                for q in self.all_tab_managers:
                    is_dest = q is tm and (in_tab_bar or os_window_id != tab.os_window_id) and not is_leave
                    q.on_tab_drop_move(tab_id, is_dest, x, y)
            window_id, drag_started = get_window_being_dragged()[:2]
            if window_id and drag_started:
                for q in self.all_tab_managers:
                    q.on_window_drop_move(window_id, (not is_leave) and (q is tm), x, y)

    def on_drop(self, os_window_id: int, drop: dict[str, bytes] | int, from_self: bool, x: int, y: int) -> None:
        if isinstance(drop, int):
            import errno
            code = errno.errorcode.get(drop, str(drop))
            msg = 'Unknown error'
            with suppress(ValueError):
                msg = os.strerror(drop)
            self.show_error(_('Drop failed'), f'[{code}] {msg}')
            return
        if (tm := self.os_window_map.get(os_window_id)) is None:
            return
        window_mime_key = f'application/net.kovidgoyal.kitty-window-{os.getpid()}'
        if (widb := drop.get(window_mime_key)):
            window_id = int(widb)
            tm.on_window_drop(x, y, window_id)
            set_window_being_dragged()
            for q in self.all_tab_managers:
                q.on_window_drop_move()
            return
        if (tidb := drop.get(f'application/net.kovidgoyal.kitty-tab-{os.getpid()}')) and (tab := self.tab_for_id(int(tidb))):
            central, tab_bar = viewport_for_window(os_window_id)[:2]
            in_tab_bar = tab_bar.left <= x < tab_bar.right and tab_bar.top <= y < tab_bar.bottom
            if in_tab_bar or tab.os_window_id != tm.os_window_id:
                tm.on_tab_drop(x, y)
            else:
                self._move_tab_to(tab)
            set_tab_being_dragged()
            for tm in self.all_tab_managers:
                tm.on_tab_drop_move()
                tm.layout_tab_bar()  # ensure tab bar is fully updated
            return
        central, tab_bar = viewport_for_window(os_window_id)[:2]
        if central.left <= x < central.right and central.top <= y < central.bottom:
            x -= central.left
            y -= central.top
            if tab := tm.active_tab:
                for window in tab:
                    if window.is_visible_in_layout:
                        g = window.geometry
                        if g.left <= x < g.right and g.top <= y < g.bottom:
                            window.on_drop(drop)
                            break
        elif tab_bar.left <= x < tab_bar.right and tab_bar.top <= y < tab_bar.bottom:
            if (tab_id := tm.tab_bar.tab_id_at(x, y)) and (tab := self.tab_for_id(tab_id)) and (w := tab.active_window):
                w.on_drop(drop)

    def on_drag_source_finished(
        self, was_dropped: bool, was_canceled: bool, accepted_mime_type: str, action: int, data: dict[str, bytes] | None,
        needs_toplevel_on_wayland: bool
    ) -> None:
        window_mime_key = f'application/net.kovidgoyal.kitty-window-{os.getpid()}'
        if (wid_bytes := (data or {}).get(window_mime_key)):
            window_id = int(wid_bytes.decode())
            if get_window_being_dragged()[0] == window_id:
                # Drop was not handled by on_drop (e.g. dropped outside kitty or on Wayland)
                for tm in self.all_tab_managers:
                    for t in tm:
                        if t.force_show_title_bars:
                            t.force_show_title_bars = False
                            t.relayout()
                set_window_being_dragged()
                for tm in self.all_tab_managers:
                    tm.on_window_drop_move()
                if was_dropped and not was_canceled:
                    if (window := self.window_id_map.get(window_id)):
                        src_tab = window.tabref()
                        src_tm = self.os_window_map.get(src_tab.os_window_id) if src_tab else None
                        total_windows = sum(len(t) for t in src_tm) if src_tm else 0
                        if total_windows > 1:
                            self._move_window_to(window, target_os_window_id='new')
            return
        if (tab_id := int((data or {}).get(f'application/net.kovidgoyal.kitty-tab-{os.getpid()}', b'0').decode())
        ) and get_tab_being_dragged()[0] == tab_id:
            tab = self.tab_for_id(tab_id)
            if tab is not None and needs_toplevel_on_wayland:
                for tm in self.all_tab_managers:
                    if tm.tab_being_dropped:
                        tm.on_tab_drop(0, 0, bypass_move=True)
                        return
            set_tab_being_dragged()
            for tm in self.all_tab_managers:
                tm.on_tab_drop_move()
            if was_dropped and tab is not None:  # detach tab into new OS Window
                self._move_tab_to(tab)

    @ac('win', '''
        Focus the nth OS window if positive or the previously active OS windows if negative. When the number is larger
        than the number of OS windows focus the last OS window. A value of zero will refocus the currently focused OS window,
        this is useful if focus is not on any kitty OS window at all, however, it will only work if the window manager
        allows applications to grab focus. For example::

            # focus the previously active kitty OS window
            map ctrl+p nth_os_window -1
            # focus the current kitty OS window (grab focus)
            map ctrl+0 nth_os_window 0
            # focus the first kitty OS window
            map ctrl+1 nth_os_window 1
            # focus the last kitty OS window
            map ctrl+1 nth_os_window 999
    ''')
    def nth_os_window(self, num: int = 1) -> None:
        if not self.os_window_map:
            return
        if num == 0:
            os_window_id = current_focused_os_window_id() or last_focused_os_window_id()
            self.focus_os_window(os_window_id)
        elif num > 0:
            ids = tuple(self.os_window_map.keys())
            os_window_id = ids[min(num, len(ids)) - 1]
            self.focus_os_window(os_window_id)
        elif num < 0:
            fc_map = os_window_focus_counters()
            s = sorted(fc_map.keys(), key=fc_map.__getitem__)
            if not s:
                return
            try:
                os_window_id = s[num-1]
            except IndexError:
                os_window_id = s[0]
            self.focus_os_window(os_window_id)

    @ac('win', 'Close the currently active OS Window')
    def close_os_window(self) -> None:
        tm = self.active_tab_manager_with_dispatch
        if tm is not None:
            self.confirm_os_window_close(tm.os_window_id)

    def confirm_os_window_close(self, os_window_id: int) -> None:
        tm = self.os_window_map.get(os_window_id)
        if tm is None:
            self.mark_os_window_for_close(os_window_id)
            return
        if self.current_visual_select is not None and self.current_visual_select.os_window_id == os_window_id:
            self.cancel_current_visual_select()
        active_window = tm.active_window
        windows = []
        for tab in tm:
            windows += list(tab)
        msg, num_active_windows = self.close_windows_with_confirmation_msg(windows, active_window)
        q = get_options().confirm_os_window_close[0]
        num = num_active_windows if q < 0 else len(windows)
        needs_confirmation = tm is not None and q != 0 and num >= abs(q)
        if not needs_confirmation:
            self.mark_os_window_for_close(os_window_id)
            return
        current_confirmation_window: Window | None = None
        if tm.confirm_close_window_id:
            for tab in tm:
                for w in tab:
                    if w.id == tm.confirm_close_window_id:
                        current_confirmation_window = w
                        break
                if current_confirmation_window is not None:
                    break
        if current_confirmation_window:
            self.set_active_window(current_confirmation_window, switch_os_window_if_needed=True)
            return
        msg = msg or _('It has {} windows?').format(num)
        msg = _('Are you sure you want to close this OS Window?') + ' ' + msg
        w = self.confirm(msg, self.handle_close_os_window_confirmation, os_window_id, window=tm.active_window, title=_('Close OS window'))
        tm.confirm_close_window_id = w.id

    def handle_close_os_window_confirmation(self, confirmed: bool, os_window_id: int) -> None:
        tm = self.os_window_map.get(os_window_id)
        if tm is not None:
            tm.confirm_close_window_id = 0
        if confirmed:
            self.mark_os_window_for_close(os_window_id)
        else:
            self.mark_os_window_for_close(os_window_id, NO_CLOSE_REQUESTED)

    def on_os_window_closed(self, os_window_id: int, x: int, y: int, viewport_width: int, viewport_height: int, is_layer_shell: bool) -> None:
        tm = self.os_window_map.pop(os_window_id, None)
        opts = get_options()
        if not is_layer_shell:
            if opts.remember_window_position and not is_wayland() and not self.os_window_map:
                self.cached_values['window-pos'] = x, y
                self.cached_values['monitor-workarea'] = glfw_get_monitor_workarea()
            self.cached_values['window-size'] = viewport_width, viewport_height
        if tm is not None:
            tm.destroy()
        for window_id in tuple(w.id for w in self.window_id_map.values() if getattr(w, 'os_window_id', None) == os_window_id):
            self.window_id_map.pop(window_id, None)
        if not self.os_window_map and is_macos:
            cocoa_set_menubar_title('')
        action = self.os_window_death_actions.pop(os_window_id, None)
        if action is not None:
            action()

    quit_confirmation_window_id: int = 0

    def _call_on_quit_watchers(self, data: dict[str, Any]) -> bool:
        w = self.active_window
        if w is None:
            for window in self.window_id_map.values():
                w = window
                break
        if w is None:
            return True
        data['aborted'] = False
        for watcher in global_watchers().on_quit:
            try:
                watcher(self, w, data)
            except Exception:
                import traceback
                traceback.print_exc()
            if data.get('aborted'):
                return False
        return True

    @ac('win', 'Quit, closing all windows')
    def quit(self, *args: Any) -> None:
        windows = []
        for q in self.os_window_map.values():
            for qt in q:
                windows += list(qt)
        active_window = self.active_window
        msg, num_active_windows = self.close_windows_with_confirmation_msg(windows, active_window)
        x = get_options().confirm_os_window_close[0]
        num = num_active_windows if x < 0 else len(windows)
        needs_confirmation = x != 0 and num >= abs(x)
        if not needs_confirmation:
            if not self._call_on_quit_watchers({'confirmed': True}):
                return
            set_application_quit_request(IMPERATIVE_CLOSE_REQUESTED)
            return
        if current_application_quit_request() == CLOSE_BEING_CONFIRMED:
            if self.quit_confirmation_window_id and self.quit_confirmation_window_id in self.window_id_map:
                w = self.window_id_map[self.quit_confirmation_window_id]
                tab = w.tabref()
                if tab is not None:
                    ctm = tab.tab_manager_ref()
                    if ctm is not None and tab in ctm and w in tab:
                        self.focus_os_window(ctm.os_window_id)
                        ctm.set_active_tab(tab)
                        tab.set_active_window(w)
                        return
            return
        if not self._call_on_quit_watchers({'confirmed': False}):
            return
        msg = msg or _('It has {} windows.').format(num)
        w = self.confirm(_('Are you sure you want to quit kitty?') + ' '  + msg, self.handle_quit_confirmation, window=active_window, title=_('Quit kitty?'))
        self.quit_confirmation_window_id = w.id
        set_application_quit_request(CLOSE_BEING_CONFIRMED)

    def handle_quit_confirmation(self, confirmed: bool) -> None:
        self.quit_confirmation_window_id = 0
        if confirmed:
            if not self._call_on_quit_watchers({'confirmed': True}):
                set_application_quit_request(NO_CLOSE_REQUESTED)
                return
        set_application_quit_request(IMPERATIVE_CLOSE_REQUESTED if confirmed else NO_CLOSE_REQUESTED)

    def notify_on_os_window_death(self, address: str) -> None:
        import socket
        s = socket.socket(family=socket.AF_UNIX)
        with suppress(Exception):
            s.connect(address)
            s.sendall(b'c')
            with suppress(OSError):
                s.shutdown(socket.SHUT_RDWR)
            s.close()

    def display_scrollback(self, window: Window, data: bytes | str, input_line_number: int = 0, title: str = '', report_cursor: bool = True) -> Window | None:

        def prepare_arg(x: str) -> str:
            x = x.replace('INPUT_LINE_NUMBER', str(input_line_number))
            x = x.replace('CURSOR_LINE', str(window.screen.cursor.y + 1) if report_cursor else '0')
            x = x.replace('CURSOR_COLUMN', str(window.screen.cursor.x + 1) if report_cursor else '0')
            return x

        cmd = list(map(prepare_arg, get_options().scrollback_pager))
        if not os.path.isabs(cmd[0]):
            resolved_exe = which(cmd[0])
            if not resolved_exe:
                log_error(f'The scrollback_pager {cmd[0]} was not found in PATH, falling back to less')
                resolved_exe = which('less') or 'less'
            cmd[0] = resolved_exe

        if os.path.basename(cmd[0]) == 'less':
            cmd.append('-+F')  # reset --quit-if-one-screen
        tab = self.active_tab
        if tab is not None:
            bdata = data.encode('utf-8') if isinstance(data, str) else data
            if is_macos and cmd[0] == '/usr/bin/less' and macos_version()[:2] < (12, 3):
                # the system less before macOS 12.3 barfs up OSC codes, so sanitize them ourselves
                sentinel = os.path.join(cache_dir(), 'less-is-new-enough')
                if not os.path.exists(sentinel):
                    if less_version(cmd[0]) >= 581:
                        open(sentinel, 'w').close()
                    else:
                        bdata = re.sub(br'\x1b\].*?\x1b\\', b'', bdata)

            return tab.new_special_window(
                SpecialWindow(cmd, bdata, title or _('History'), overlay_for=window.id, cwd=window.cwd_of_child),
                copy_colors_from=self.active_window
                )
        return None

    @ac('misc', 'Edit the kitty.conf config file in your favorite text editor')
    def edit_config_file(self, *a: Any) -> None:
        confpath = prepare_config_file_for_editing()
        self.edit_file(confpath)

    def edit_file(self, path: str) -> None:
        editor_cmd = get_editor(get_options())
        exe = editor_cmd[0]
        if not os.path.isabs(exe):
            exe = which(exe) or ''
            if not exe or not os.access(exe, os.X_OK):
                self.show_error(_('Cannot find editor'), _(
                    'Could not edit the file {0} because the editor {1} was not found.').format(editor_cmd[0]))
                return
            editor_cmd[0] = exe
        path = os.path.abspath(os.path.expanduser(path))
        self.new_os_window(*editor_cmd, path)

    def run_kitten_with_metadata(
        self,
        kitten: str,
        args: Iterable[str] = (),
        input_data: bytes | str | None = None,
        window: Window | None = None,
        custom_callback: Callable[[dict[str, Any], int, 'Boss'], None] | None = None,
        action_on_removal: Callable[[int, 'Boss'], None] | None = None,
        default_data: dict[str, Any] | None = None
    ) -> Any:
        from kittens.runner import CLIOnlyKitten, KittenMetadata, create_kitten_handler
        is_wrapped = kitten in wrapped_kitten_names()
        if window is None:
            w = self.active_window
            tab = self.active_tab
        else:
            w = window
            tab = w.tabref() if w else None
        args = list(args)
        if w is not None and '@selection' in args and (sel := self.data_for_at(which='@selection', window=w)):
            args = [sel if xa == '@selection' else xa for xa in args]
        try:
            end_kitten = create_kitten_handler(kitten, args)
        except CLIOnlyKitten:
            is_wrapped = True
            end_kitten = KittenMetadata()

        if end_kitten.no_ui:
            return end_kitten.handle_result(None, w.id if w else 0, self)

        if w is not None and tab is not None:
            if not is_wrapped:
                args[0:0] = [config_dir, kitten]
            if input_data is None:
                type_of_input = end_kitten.type_of_input
                q = type_of_input.split('-') if type_of_input else []
                if not q:
                    data: bytes | None = None
                elif q[0] in ('text', 'history', 'ansi', 'screen'):
                    data = w.as_text(as_ansi='ansi' in q, add_history='history' in q, add_wrap_markers='screen' in q).encode('utf-8')
                elif type_of_input == 'selection':
                    sel = self.data_for_at(which='@selection', window=w)
                    data = sel.encode('utf-8') if sel else None
                elif q[0] in ('output', 'first_output', 'last_visited_output'):
                    which = {
                        'output': CommandOutput.last_run, 'first_output': CommandOutput.first_on_screen,
                        'last_visited_output': CommandOutput.last_visited}[q[0]]
                    data = w.cmd_output(which, as_ansi='ansi' in q, add_wrap_markers='screen' in q).encode('utf-8')
                else:
                    raise ValueError(f'Unknown type_of_input: {type_of_input}')
            else:
                data = input_data if isinstance(input_data, bytes) else input_data.encode('utf-8')
            copts = common_opts_as_dict(get_options())
            env = {
                'KITTY_COMMON_OPTS': json.dumps(copts),
                'KITTY_CHILD_PID': str(w.child.pid),
                'OVERLAID_WINDOW_LINES': str(w.screen.lines),
                'OVERLAID_WINDOW_COLS': str(w.screen.columns),
            }
            if is_wrapped:
                cmd = [kitten_exe(), kitten]
                env['KITTEN_RUNNING_AS_UI'] = '1'
                env['KITTY_CONFIG_DIRECTORY'] = config_dir
                if w is not None:
                    env['KITTY_BASIC_COLORS'] = json.dumps(w.screen.color_profile.basic_colors())
            else:
                cmd = [kitty_exe(), '+runpy', 'from kittens.runner import main; main()']
                env['PYTHONWARNINGS'] = 'ignore'
            remote_control_fd = -1
            if end_kitten.allow_remote_control:
                remote_control_passwords: dict[str, Sequence[str]] | None = None
                initial_data = b''
                if end_kitten.remote_control_password:
                    from secrets import token_hex
                    p = token_hex(16)
                    remote_control_passwords = {p: end_kitten.remote_control_password if isinstance(end_kitten.remote_control_password, str) else ''}
                    initial_data = p.encode() + b'\n'
                remote = self.add_fd_based_remote_control(remote_control_passwords, initial_data)
                remote_control_fd = remote.fileno()
            try:
                overlay_window = tab.new_special_window(
                    SpecialWindow(
                        cmd + args,
                        stdin=data,
                        env=env,
                        cwd=CwdRequest(w).cwd_of_child or w.cwd_of_child,
                        overlay_for=w.id,
                        overlay_behind=end_kitten.has_ready_notification,
                    ),
                    copy_colors_from=w, remote_control_fd=remote_control_fd,
                )
            finally:
                if end_kitten.allow_remote_control:
                    remote.close()
            wid = w.id
            overlay_window.actions_on_close.append(partial(self.on_kitten_finish, wid, custom_callback or end_kitten.handle_result, default_data=default_data))
            overlay_window.open_url_handler = end_kitten.open_url_handler
            if action_on_removal is not None:

                def callback_wrapper(*a: Any) -> None:
                    if action_on_removal is not None:
                        action_on_removal(wid, self)
                overlay_window.actions_on_removal.append(callback_wrapper)
            return overlay_window
    _run_kitten = run_kitten_with_metadata

    @ac('misc', 'Run the specified kitten. See :doc:`/kittens/custom` for details')
    def kitten(self, kitten: str, *kargs: str) -> None:
        self.run_kitten_with_metadata(kitten, kargs, window=self.window_for_dispatch)

    def run_kitten(self, kitten: str, *args: str) -> None:
        self.run_kitten_with_metadata(kitten, args)

    def on_kitten_finish(
        self, target_window_id: int, end_kitten: Callable[[dict[str, Any], int, 'Boss'], None],
        source_window: Window,
        default_data: dict[str, Any] | None = None
    ) -> None:
        data, source_window.kitten_result = source_window.kitten_result, None
        if data is None:
            data = default_data
        if data is not None:
            end_kitten(data, target_window_id, self)

    @ac('misc', 'Input an arbitrary unicode character. See :doc:`/kittens/unicode_input` for details.')
    def input_unicode_character(self) -> None:
        self.run_kitten_with_metadata('unicode_input', window=self.window_for_dispatch)

    @ac('misc', '''
        Browse and trigger keyboard shortcuts and actions in a searchable overlay (:doc:`/kittens/command-palette`)
        ''')
    def command_palette(self) -> None:
        from kittens.command_palette.main import collect_keys_data
        data = collect_keys_data(get_options())
        self.run_kitten_with_metadata('command-palette', input_data=json.dumps(data), window=self.window_for_dispatch)

    @ac(
        'tab', '''
        Change the title of the active tab interactively, by typing in the new title.
        If you specify an argument to this action then that is used as the title instead of asking for it.
        Use the empty string ("") to reset the title to default. Use a space (" ") to indicate that the
        prompt should not be pre-filled. For example::

            # interactive usage
            map f1 set_tab_title
            # set a specific title
            map f2 set_tab_title some title
            # reset to default
            map f3 set_tab_title ""
            # interactive usage without prefilled prompt
            map f3 set_tab_title " "
        '''
    )
    def set_tab_title(self, title: str | None = None) -> None:
        tab = self.window_for_dispatch.tabref() if self.window_for_dispatch else self.active_tab
        if tab:
            if title is not None and title not in ('" "', "' '"):
                if title in ('""', "''"):
                    title = ''
                tab.set_title(title)
                return
            if (w := self.window_id_map.get(tab.renaming_in_window)) is not None and w in tab:
                tab.set_active_window(w)
                return
            if title in ('" "', "' '"):
                prefilled = ''
            else:
                prefilled = (tab.name or tab.title).strip()
            tab_id = tab.id

            def on_rename_done(new_title: str) -> None:
                if (tab := self.tab_for_id(tab_id)) is not None:
                    tab.renaming_in_window = 0
                    tab.set_title(new_title)

            overlay_window = self.get_line(
                _('Enter the new title for this tab below. An empty title will cause the default title to be used.'),
                on_rename_done, window=tab.active_window, initial_value=prefilled, window_title=_('Rename tab'))
            if overlay_window is not None:
                tab.renaming_in_window = overlay_window.id

    def create_special_window_for_show_error(self, title: str, msg: str, overlay_for: int | None = None) -> SpecialWindowInstance:
        ec = sys.exc_info()
        tb = ''
        if ec != (None, None, None):
            import traceback
            tb = traceback.format_exc()
        cmd = [kitten_exe(), '__show_error__', '--title', title]
        env = {}
        env['KITTEN_RUNNING_AS_UI'] = '1'
        env['KITTY_CONFIG_DIRECTORY'] = config_dir
        return SpecialWindow(
            cmd, override_title=title,
            stdin=json.dumps({'msg': msg, 'tb': tb}).encode(),
            env=env,
            overlay_for=overlay_for,
        )

    @ac('misc', 'Show an error message with the specified title and text')
    def show_error(self, title: str, msg: str) -> None:
        w = self.window_for_dispatch or self.active_window
        if w:
            tab = w.tabref()
            if w is not None and tab is not None:
                tab.new_special_window(self.create_special_window_for_show_error(title, msg, w.id), copy_colors_from=w)

    @ac('mk', 'Create a new marker')
    def create_marker(self) -> None:
        w = self.window_for_dispatch or self.active_window
        if w:
            spec = None

            def done(data: dict[str, Any], target_window_id: int, self: Boss) -> None:
                nonlocal spec
                spec = data['response']

            def done2(target_window_id: int, self: Boss) -> None:
                w = self.window_id_map.get(target_window_id)
                if w is not None and spec:
                    try:
                        w.set_marker(spec)
                    except Exception as err:
                        self.show_error(_('Invalid marker specification'), str(err))

            self.run_kitten_with_metadata('ask', [
                '--name=create-marker', '--message',
                _('Create marker, for example:\ntext 1 ERROR\nSee {}\n').format(website_url('marks'))
                ],
                custom_callback=done, action_on_removal=done2)

    @ac('misc', 'Run the kitty shell to control kitty with commands')
    def kitty_shell(self, window_type: str = 'window') -> None:
        kw: dict[str, Any] = {}
        cmd = [kitty_exe(), '@']
        aw = self.window_for_dispatch or self.active_window
        if aw is not None:
            env = {'KITTY_SHELL_ACTIVE_WINDOW_ID': str(aw.id)}
            at = self.active_tab
            if at is not None:
                env['KITTY_SHELL_ACTIVE_TAB_ID'] = str(at.id)
            kw['env'] = env
        if window_type == 'tab':
            tab = self._new_tab(SpecialWindow(cmd, **kw))
            if tab is not None:
                for w in tab:
                    window = w
        elif window_type == 'os_window':
            os_window_id = self._new_os_window(SpecialWindow(cmd, **kw))
            for tab in self.os_window_map[os_window_id]:
                for w in tab:
                    window = w
        elif window_type == 'overlay':
            tab = self.active_tab
            if aw is not None and tab is not None:
                kw['overlay_for'] = aw.id
                window = tab.new_special_window(SpecialWindow(cmd, **kw))
        else:
            tab = self.active_tab
            if tab is not None:
                window = tab.new_special_window(SpecialWindow(cmd, **kw))

        path, ext = os.path.splitext(logo_png_file)
        window.set_logo(f'{path}-128{ext}', position='bottom-right', alpha=0.25)
        window.allow_remote_control = True

    def switch_focus_to_in_active_tab(self, window_id: int) -> None:
        tab = self.active_tab
        if tab:
            tab.set_active_window(window_id)

    def drag_resize_start(
        self, edges: int, x: float, y: float, window_id: int, cell_width: int, cell_height: int,
    ) -> bool:
        if (w := self.window_id_map.get(window_id)) and (tab := w.tabref()):
            data = tab.current_layout.drag_resize_target_windows(w, x, y, edges, tab.windows)
            if not edges & (LEFT_EDGE | RIGHT_EDGE):
                data = data._replace(horizontal_id=None)
            if not edges & (TOP_EDGE | BOTTOM_EDGE):
                data = data._replace(vertical_id=None)
            self.drag_resize_of_window = WindowResizeDrag(
                is_active=True, tab_id=tab.id, data=data,
                cell_width=cell_width, cell_height=cell_height, initial_x=x, initial_y=y,
            )
            for cw in tab:
                cw.pause_resize_notifications_to_child()
            return True
        return False

    def drag_resize_update(self, x: float, y: float) -> None:
        if not (r := self.drag_resize_of_window) or not (tab := self.tab_for_id(r.tab_id)):
            return
        if (h := r.data.horizontal_id) is not None:
            mult = 1 if r.data.width_increases_rightwards else -1
            step_x = floor((x - r.initial_x) / r.cell_width) * mult
            dx = step_x - r.last_step_x
            if dx != 0:
                if tab.drag_resize_window(h, float(dx), True):
                    self.drag_resize_of_window = r._replace(last_step_x=step_x)
        if (v := r.data.vertical_id) is not None:
            mult = 1 if r.data.height_increases_downwards else -1
            step_y = floor((y - r.initial_y) / r.cell_height) * mult
            dy = step_y - r.last_step_y
            if dy != 0:
                if tab.drag_resize_window(v, float(dy), False):
                    self.drag_resize_of_window = r._replace(last_step_y=step_y)

    def drag_resize_end(self) -> None:
        if tab := self.tab_for_id(self.drag_resize_of_window.tab_id):
            for cw in tab:
                cw.pause_resize_notifications_to_child(pause=False)
        self.drag_resize_of_window = WindowResizeDrag()

    def open_kitty_website(self) -> None:
        self.open_url(website_url())

    @ac('misc', 'Open the specified URL')
    def open_url(self, url: str, program: str | list[str] | None = None, cwd: str | None = None) -> None:
        if not url:
            return
        if isinstance(program, str):
            program = to_cmdline(program)
        found_action = False
        if program is None:
            from .open_actions import actions_for_url
            actions = list(actions_for_url(url))
            if actions:
                found_action = True
                self.dispatch_action(actions.pop(0))
                if actions:
                    self.drain_actions(actions)
        if not found_action:
            extra_env = {}
            if self.listening_on:
                extra_env['KITTY_LISTEN_ON'] = self.listening_on

            def doit(activation_token: str = '') -> None:
                if activation_token:
                    extra_env['XDG_ACTIVATION_TOKEN'] = activation_token
                open_url(url, program or get_options().open_url_with, cwd=cwd, extra_env=extra_env)

            if is_wayland():
                run_with_activation_token(doit)
            else:
                doit()

    @ac('misc', 'Sleep for the specified time period. Suffix can be s for seconds, m, for minutes, h for hours and d for days. The time can be fractional.')
    def sleep(self, sleep_time: float = 1.0) -> None:
        sleep(sleep_time)

    @ac('misc', 'Click a URL using the keyboard')
    def open_url_with_hints(self) -> None:
        self.run_kitten_with_metadata('hints', window=self.window_for_dispatch)

    def drain_actions(self, actions: list[KeyAction], window_for_dispatch: Window | None = None, dispatch_type: str = 'KeyPress') -> None:

        def callback(timer_id: int | None) -> None:
            self.dispatch_action(actions.pop(0), window_for_dispatch, dispatch_type)
            if actions:
                self.drain_actions(actions)
        add_timer(callback, 0, False)

    def destroy(self) -> None:
        self.shutting_down = True
        self.child_monitor.shutdown_monitor()
        self.set_update_check_process()
        self.update_check_process = None
        del self.child_monitor
        for tm in self.os_window_map.values():
            tm.destroy()
        self.os_window_map = {}
        destroy_global_data()

    def paste_to_active_window(self, text: str) -> None:
        if text:
            w = self.active_window
            if w is not None:
                w.paste_with_actions(text)

    @ac('cp', 'Paste from the clipboard to the active window')
    def paste_from_clipboard(self) -> None:
        w = self.window_for_dispatch or self.active_window
        if w is not None:
            if w.send_paste_event():
                return
            text = get_clipboard_string()
            if text:
                w.paste_with_actions(text)

    def current_primary_selection(self) -> str:
        return get_primary_selection() if supports_primary_selection else ''

    def current_primary_selection_or_clipboard(self) -> str:
        return get_primary_selection() if supports_primary_selection else get_clipboard_string()

    @ac('cp', 'Paste from the primary selection, if present, otherwise the clipboard to the active window')
    def paste_from_selection(self) -> None:
        w = self.window_for_dispatch or self.active_window
        if w is not None:
            if w.send_paste_event(is_primary_selection=True):
                return
            text = self.current_primary_selection_or_clipboard()
            if text:
                w.paste_with_actions(text)

    def set_primary_selection(self) -> None:
        w = self.active_window
        if w is not None and not w.destroyed:
            text = w.text_for_selection()
            if text:
                set_primary_selection(text)
                self.handle_clipboard_loss('primary', w.id)
                if get_options().copy_on_select:
                    self.copy_to_buffer(get_options().copy_on_select)

    def get_active_selection(self) -> str | None:
        w = self.active_window
        if w is not None and not w.destroyed:
            return w.text_for_selection()
        return None

    def has_active_selection(self) -> bool:
        w = self.active_window
        if w is not None and not w.destroyed:
            return w.has_selection()
        return False

    def set_clipboard_buffer(self, buffer_name: str, text: str | None = None) -> None:
        if buffer_name:
            if text is not None:
                self.clipboard_buffers[buffer_name] = text
            elif buffer_name in self.clipboard_buffers:
                del self.clipboard_buffers[buffer_name]

    def get_clipboard_buffer(self, buffer_name: str) -> str | None:
        return self.clipboard_buffers.get(buffer_name)

    @ac('cp', '''
        Copy the selection from the active window to the specified buffer

        See :ref:`cpbuf` for details.
        ''')
    def copy_to_buffer(self, buffer_name: str) -> None:
        w = self.window_for_dispatch or self.active_window
        if w is not None and not w.destroyed:
            text = w.text_for_selection()
            if text:
                if buffer_name == 'clipboard':
                    set_clipboard_string(text)
                    self.handle_clipboard_loss('clipboard', w.id)
                elif buffer_name == 'primary':
                    set_primary_selection(text)
                    self.handle_clipboard_loss('primary', w.id)
                else:
                    self.set_clipboard_buffer(buffer_name, text)

    @ac('cp', '''
        Paste from the specified buffer to the active window

        See :ref:`cpbuf` for details.
        ''')
    def paste_from_buffer(self, buffer_name: str) -> None:
        if buffer_name == 'clipboard':
            text: str | None = get_clipboard_string()
        elif buffer_name == 'primary':
            text = get_primary_selection()
        else:
            text = self.get_clipboard_buffer(buffer_name)
        if text:
            w = self.window_for_dispatch or self.active_window
            if w:
                w.paste_with_actions(text)

    @ac('tab', '''
        Go to the specified tab, by number, starting with 1

        Zero and negative numbers go to previously active tabs.
        Use the :ac:`select_tab` action to interactively select a tab
        to go to.
        ''')
    def goto_tab(self, tab_num: int) -> None:
        tm = self.active_tab_manager_with_dispatch
        if tm is not None:
            tm.goto_tab(tab_num - 1)

    def set_active_tab(self, tab: Tab) -> bool:
        tm = self.active_tab_manager
        if tm is not None:
            return tm.set_active_tab(tab)
        return False

    @ac('tab', 'Make the next tab active')
    def next_tab(self) -> None:
        tm = self.active_tab_manager_with_dispatch
        if tm is not None:
            tm.next_tab()

    @ac('tab', 'Make the previous tab active')
    def previous_tab(self) -> None:
        tm = self.active_tab_manager_with_dispatch
        if tm is not None:
            tm.next_tab(-1)

    prev_tab = previous_tab

    def process_stdin_source(
        self, window: Window | None = None,
        stdin: str | None = None, copy_pipe_data: dict[str, Any] | None = None
    ) -> tuple[dict[str, str] | None, bytes | None]:
        w = window or self.active_window
        if not w:
            return None, None
        env = None
        input_data = None
        if stdin:
            add_wrap_markers = stdin.endswith('_wrap')
            if add_wrap_markers:
                stdin = stdin[:-len('_wrap')]
            stdin = data_for_at(w, stdin, add_wrap_markers=add_wrap_markers)
            if stdin is not None:
                pipe_data = w.pipe_data(stdin, has_wrap_markers=add_wrap_markers) if w else None
                if pipe_data:
                    if copy_pipe_data is not None:
                        copy_pipe_data.update(pipe_data)
                    env = {
                        'KITTY_PIPE_DATA':
                        '{scrolled_by}:{cursor_x},{cursor_y}:{lines},{columns}'.format(**pipe_data)
                    }
                input_data = stdin.encode('utf-8')
        return env, input_data

    def data_for_at(self, which: str, window: Window | None = None, add_wrap_markers: bool = False) -> str | None:
        window = window or self.active_window
        if not window:
            return None
        return data_for_at(window, which, add_wrap_markers=add_wrap_markers)

    def special_window_for_cmd(
        self, cmd: list[str],
        window: Window | None = None,
        stdin: str | None = None,
        cwd_from: CwdRequest | None = None,
        as_overlay: bool = False
    ) -> SpecialWindowInstance:
        w = window or self.active_window
        env, input_data = self.process_stdin_source(w, stdin)
        cmdline = []
        for arg in cmd:
            if arg == '@selection' and w:
                q = data_for_at(w, arg)
                if not q:
                    continue
                arg = q
            cmdline.append(arg)
        overlay_for = w.id if w and as_overlay else None
        return SpecialWindow(cmd, input_data, cwd_from=cwd_from, overlay_for=overlay_for, env=env)

    def add_fd_based_remote_control(self, remote_control_passwords: dict[str, Sequence[str]] | None = None, initial_data: bytes = b'') -> socket.socket:
        local, remote = socket.socketpair()
        os.set_inheritable(remote.fileno(), True)
        if initial_data:
            local.send(initial_data)
        lfd = os.dup(local.fileno())
        local.close()
        try:
            peer_id = self.child_monitor.inject_peer(lfd)
        except Exception:
            os.close(lfd)
            remote.close()
            raise
        self.peer_data_map[peer_id] = remote_control_passwords
        return remote

    def run_background_process(
        self,
        cmd: list[str],
        cwd: str | None = None,
        env: dict[str, str] | None = None,
        stdin: bytes | None = None,
        cwd_from: CwdRequest | None = None,
        allow_remote_control: bool = False,
        remote_control_passwords: dict[str, Sequence[str]] | None = None,
        notify_on_death: Callable[[int, Exception | None], None] | None = None,  # guaranteed to be called only after event loop tick
        stdout: int | None = None, stderr: int | None = None,
    ) -> None:
        env = env or None
        if env:
            env_ = default_env().copy()
            env_.update(env)
            env = env_
        if cwd_from:
            with suppress(Exception):
                cwd = cwd_from.cwd_of_child

        def add_env(key: str, val: str) -> None:
            nonlocal env
            if env is None:
                env = default_env().copy()
            env[key] = val

        def doit(activation_token: str = '') -> None:
            nonlocal env
            pass_fds: list[int] = []
            if allow_remote_control:
                remote = self.add_fd_based_remote_control(remote_control_passwords)
                pass_fds.append(remote.fileno())
                add_env('KITTY_LISTEN_ON', f'fd:{remote.fileno()}')
                add_env('KITTY_PUBLIC_KEY', self.encryption_public_key)
            if activation_token:
                add_env('XDG_ACTIVATION_TOKEN', activation_token)
            fds_to_close_on_launch_failure = list(pass_fds)
            if stdout is not None and stdout > -1:
                pass_fds.append(stdout)
            if stderr is not None and stderr > -1 and stderr not in pass_fds:
                pass_fds.append(stderr)

            def run(stdin: int | None, stdout: int | None, stderr: int | None) -> None:
                try:
                    p = subprocess.Popen(
                        cmd, env=env, cwd=cwd, preexec_fn=clear_handled_signals, pass_fds=pass_fds, stdin=stdin, stdout=stdout, stderr=stderr)
                    if notify_on_death:
                        self.background_process_death_notify_map[p.pid] = notify_on_death
                        monitor_pid(p.pid)
                except Exception as err:
                    for fd in fds_to_close_on_launch_failure:
                        with suppress(OSError):
                            os.close(fd)
                    if notify_on_death:
                        def callback(err: Exception, timer_id: int | None) -> None:
                            notify_on_death(-1, err)
                        add_timer(partial(callback, err), 0, False)
                    else:
                        self.show_error(_('Failed to run background process'), _('Failed to run background process with error: {}').format(err))

            r = subprocess.DEVNULL
            if stdin:
                r, w = safe_pipe(False)
                fds_to_close_on_launch_failure.append(w)
                pass_fds.append(r)
            try:
                run(r, stdout, stderr)
                if stdin:
                    thread_write(w, stdin)
            finally:
                if stdin:
                    os.close(r)
                if allow_remote_control:
                    remote.close()

        if is_wayland():
            if not run_with_activation_token(doit):
                doit()
        else:
            doit()

    def pipe(self, source: str, dest: str, exe: str, *args: str) -> Window | None:
        cmd = [exe] + list(args)
        window = self.active_window
        cwd_from = CwdRequest(window) if window else None

        def create_window() -> SpecialWindowInstance:
            return self.special_window_for_cmd(
                cmd, stdin=source, as_overlay=dest == 'overlay', cwd_from=cwd_from)

        if dest == 'overlay' or dest == 'window':
            tab = self.active_tab
            if tab is not None:
                return tab.new_special_window(create_window())
        elif dest == 'tab':
            tm = self.active_tab_manager
            if tm is not None:
                tm.new_tab(special_window=create_window(), cwd_from=cwd_from)
        elif dest == 'os_window':
            self._new_os_window(create_window(), cwd_from=cwd_from)
        elif dest in ('clipboard', 'primary'):
            env, stdin = self.process_stdin_source(stdin=source, window=window)
            if stdin:
                if dest == 'clipboard':
                    set_clipboard_string(stdin)
                    self.handle_clipboard_loss('clipboard')
                else:
                    set_primary_selection(stdin)
                    self.handle_clipboard_loss('primary')
        else:
            env, stdin = self.process_stdin_source(stdin=source, window=window)
            self.run_background_process(cmd, cwd_from=cwd_from, stdin=stdin, env=env)
        return None

    def args_to_special_window(self, args: Iterable[str], cwd_from: CwdRequest | None = None) -> SpecialWindowInstance:
        args = list(args)
        stdin = None
        w = self.active_window

        if args[0].startswith('@') and args[0] != '@':
            q = data_for_at(w, args[0]) or None
            if q is not None:
                stdin = q.encode('utf-8')
            del args[0]

        cmd = []
        for arg in args:
            if arg == '@selection':
                q = data_for_at(w, arg)
                if not q:
                    continue
                arg = q
            cmd.append(arg)
        return SpecialWindow(cmd, stdin, cwd_from=cwd_from)

    def _new_tab(self, args: SpecialWindowInstance | Iterable[str], cwd_from: CwdRequest | None = None, as_neighbor: bool = False) -> Tab | None:
        special_window = None
        if args:
            if isinstance(args, SpecialWindowInstance):
                special_window = args
            else:
                special_window = self.args_to_special_window(args, cwd_from=cwd_from)
        if not self.os_window_map:
            self.add_os_window()
        tm = self.active_tab_manager
        if tm is None and not self.os_window_map:
            os_window_id = self.add_os_window()
            tm = self.os_window_map.get(os_window_id)
        if tm is not None:
            return tm.new_tab(special_window=special_window, cwd_from=cwd_from, as_neighbor=as_neighbor)
        return None

    def _create_tab(self, args: list[str], cwd_from: CwdRequest | None = None) -> None:
        as_neighbor = False
        if args and args[0].startswith('!'):
            as_neighbor = 'neighbor' in args[0][1:].split(',')
            args = args[1:]
        self._new_tab(args, as_neighbor=as_neighbor, cwd_from=cwd_from)

    @ac('tab', 'Create a new tab')
    def new_tab(self, *args: str) -> None:
        self._create_tab(list(args))

    @ac('tab', '''
        Create a new tab with working directory for the window in it set to the same as the active window.
        The tab is added to the currently active :ref:`session <sessions>`, if any.
    ''')
    def new_tab_with_cwd(self, *args: str) -> None:
        self._create_tab(list(args), cwd_from=CwdRequest(self.window_for_dispatch or self.active_window_for_cwd))

    def new_tab_with_wd(self, wd: str | list[str], str_is_multiple_paths: bool = False) -> None:
        if isinstance(wd, str):
            wd = wd.split(os.pathsep) if str_is_multiple_paths else [wd]
        for path in wd:
            special_window = SpecialWindow(None, cwd=path)
            self._new_tab(special_window)

    def _new_window(self, args: list[str], cwd_from: CwdRequest | None = None) -> Window | None:
        if not self.os_window_map:
            os_window_id = self.add_os_window()
            tm = self.os_window_map.get(os_window_id)
            if tm is not None and not tm.active_tab:
                tm.new_tab(empty_tab=True)
        tab = self.active_tab
        if tab is None:
            return None
        allow_remote_control = False
        location = None
        if args and args[0].startswith('!'):
            location = args[0][1:].lower()
            args = args[1:]
        if args and args[0] == '@':
            args = args[1:]
            allow_remote_control = True
        if args:
            w = tab.new_special_window(
                self.args_to_special_window(args, cwd_from=cwd_from),
                location=location, allow_remote_control=allow_remote_control)
        else:
            w = tab.new_window(cwd_from=cwd_from, location=location, allow_remote_control=allow_remote_control)
        if cwd_from is not None and (sw := cwd_from.window):
            session_name = sw.created_in_session_name
            if not session_name and (sw_tab := sw.tabref()):
                session_name = sw_tab.created_in_session_name
            w.created_in_session_name = session_name
        return w

    @ac('win', 'Create a new window')
    def new_window(self, *args: str) -> None:
        self._new_window(list(args))

    @ac('win', '''
        Create a new window with working directory same as that of the active window.
        The new window will belong to the active :ref:`session <sessions>` if any.''')
    def new_window_with_cwd(self, *args: str) -> None:
        w = self.window_for_dispatch or self.active_window_for_cwd
        if w is None:
            return self.new_window(*args)
        self._new_window(list(args), cwd_from=CwdRequest(w))

    @ac('misc', '''
        Launch the specified program in a new window/tab/etc.

        See :doc:`launch` for details
        ''')
    def launch(self, *args: str) -> None:
        from kitty.launch import launch, parse_launch_args
        opts, args_ = parse_launch_args(args)
        if args_ and ' ' in args_[0]:
            # this can happen for example with map f1 launch $EDITOR when $EDITOR is not a single command
            q = which(args_[0])
            if not q or (q is args_[0] and not os.access(q, os.X_OK)):
                args_[:1] = shlex_split(args_[0])
        if self.window_for_dispatch:
            opts.source_window = opts.source_window or f'id:{self.window_for_dispatch.id}'
            opts.next_to = opts.next_to or f'id:{self.window_for_dispatch.id}'
        launch(self, opts, args_)

    @ac('tab', 'Move the active tab forward. You can also use drag and drop to re-arrange tabs.')
    def move_tab_forward(self) -> None:
        tm = self.active_tab_manager
        if tm is not None:
            tm.move_tab(1)

    @ac('tab', 'Move the active tab backward. You can also use drag and drop to re-arrange tabs.')
    def move_tab_backward(self) -> None:
        tm = self.active_tab_manager_with_dispatch
        if tm is not None:
            tm.move_tab(-1)

    @ac('misc', '''
        Turn on/off ligatures in the specified window

        See :opt:`disable_ligatures` for details
        ''')
    def disable_ligatures_in(self, where: str | Iterable[Window], strategy: int) -> None:
        w = self.window_for_dispatch or self.active_window
        if isinstance(where, str):
            windows: list[Window] = []
            if where == 'active':
                if w:
                    windows = [w]
            elif where == 'all':
                windows = list(self.all_windows)
            elif where == 'tab':
                if w:
                    tab = w.tabref()
                    if tab:
                        windows = list(tab)
        else:
            windows = list(where)
        for window in windows:
            window.screen.disable_ligatures = strategy
            window.refresh()

    def apply_new_options(self, opts: Options) -> None:
        bg_before = get_options().background
        bg_colors_before = {w.id: w.screen.color_profile.default_bg for w in self.all_windows}
        configured_color_scheme_changed = bg_before.is_dark != opts.background.is_dark
        # Update options storage
        set_options(opts, is_wayland(), self.args.debug_rendering, self.args.debug_font_fallback)
        apply_options_update()
        set_layout_options(opts)
        set_default_env(opts.env.copy())
        # Update font data
        from .fonts.render import set_font_family
        set_font_family(opts)
        for os_window_id, tm in self.os_window_map.items():
            if tm is not None:
                os_window_font_size(os_window_id, opts.font_size, True)
                tm.resize()
        # Update key bindings
        if is_macos:
            from .fast_data_types import cocoa_clear_global_shortcuts
            cocoa_clear_global_shortcuts()
        self.mappings.update_keymap()
        if is_macos:
            from .fast_data_types import cocoa_recreate_global_menu
            cocoa_recreate_global_menu()
        for tm in self.all_tab_managers:
            tm.apply_options()
        # Update colors
        if theme_colors.has_applied_theme:
            theme_colors.refresh()
            if theme_colors.has_applied_theme:  # in case the theme file was deleted
                assert theme_colors.applied_theme  # to make type check happy
                theme_colors.apply_theme(theme_colors.applied_theme, notify_on_bg_change=False)
        for w in self.all_windows:
            if w.screen.color_profile.default_bg != bg_colors_before.get(w.id):
                self.default_bg_changed_for(w.id)
            elif configured_color_scheme_changed:
                # the application running in the window could have set the
                # background color, so it wont change because of a config
                # reload, but the application might still want to be notified
                # that the user's color scheme preference has changed.
                w.report_color_scheme_preference_if_wanted()
            w.refresh(reload_all_gpu_data=True)
        load_shader_programs.recompile_if_needed()

    @ac('misc', '''
        Reload the config file

        If mapped without arguments reloads the default config file, otherwise loads
        the specified config files, in order. Loading a config file *replaces* all
        config options. For example::

            map f5 load_config_file /path/to/some/kitty.conf
        ''')
    def load_config_file(self, *paths: str, apply_overrides: bool = True, overrides: Sequence[str] = ()) -> None:
        from .cli import default_config_paths
        from .config import load_config
        old_opts = get_options()
        prev_paths = old_opts.all_config_paths or default_config_paths(self.args.config)
        paths = paths or prev_paths
        bad_lines: list[BadLine] = []
        final_overrides = old_opts.config_overrides if apply_overrides else ()
        if overrides:
            final_overrides += tuple(overrides)
        opts = load_config(*paths, overrides=final_overrides or None, accumulate_bad_lines=bad_lines)
        if bad_lines:
            self.show_bad_config_lines(bad_lines)
        from .fonts.render import clear_font_caches
        clear_font_caches()
        self.apply_new_options(opts)
        from .open_actions import clear_caches
        clear_caches()
        from .guess_mime_type import clear_mime_cache
        clear_mime_cache()
        store_effective_config()
        from .tab_bar import clear_caches
        clear_caches()

    def safe_delete_temp_file(self, path: str) -> None:
        if is_path_in_temp_dir(path):
            with suppress(FileNotFoundError):
                os.remove(path)

    def is_ok_to_read_image_file(self, path: str, fd: int) -> bool:
        return is_ok_to_read_image_file(path, fd)

    def set_update_check_process(self, process: Optional['PopenType[bytes]'] = None) -> None:
        if self.update_check_process is not None:
            with suppress(Exception):
                if self.update_check_process.poll() is None:
                    self.update_check_process.kill()
        self.update_check_process = process

    def monitor_pid(self, pid: int, callback: Callable[[int, Exception | None], None]) -> None:
        self.background_process_death_notify_map[pid] = callback
        monitor_pid(pid)

    def on_monitored_pid_death(self, pid: int, exit_status: int) -> None:
        callback = self.background_process_death_notify_map.pop(pid, None)
        if callback is not None:
            try:
                callback(exit_status, None)
            except Exception:
                import traceback
                traceback.print_exc()
            return

        update_check_process = self.update_check_process
        if update_check_process is not None and pid == update_check_process.pid:
            self.update_check_process = None
            from .update_check import process_current_release
            try:
                assert update_check_process.stdout is not None
                raw = update_check_process.stdout.read().decode('utf-8')
            except Exception as e:
                log_error(f'Failed to read data from update check process, with error: {e}')
            else:
                try:
                    process_current_release(raw)
                except Exception as e:
                    log_error(f'Failed to process update check data {raw!r}, with error: {e}')

    def show_bad_config_lines(self, bad_lines: Iterable[BadLine], misc_errors: Iterable[str] = ()) -> None:

        def format_bad_line(bad_line: BadLine) -> str:
            return f'{bad_line.number}:{bad_line.exception} in line: {bad_line.line}\n'

        groups: dict[str, list[BadLine]] = {}
        for bl in bad_lines:
            groups.setdefault(bl.file, []).append(bl)
        ans: list[str] = []
        a = ans.append
        for file in sorted(groups):
            if file:
                a(f'In file {file}:')
            [a(format_bad_line(x)) for x in groups[file]]
        if misc_errors:
            a('In final effective configuration:')
            for line in misc_errors:
                a(line)
        msg = '\n'.join(ans).rstrip()
        self.show_error(_('Errors parsing configuration'), msg)

    @ac('misc', '''
        Change colors in the specified windows

        For details, see :ref:`at-set-colors`. For example::

            map f5 set_colors --configured /path/to/some/config/file/colors.conf
        ''')
    def set_colors(self, *args: str) -> None:
        from kitty.rc.base import PayloadGetter, command_for_name, parse_subcommand_cli
        from kitty.remote_control import parse_rc_args
        c = command_for_name('set_colors')
        try:
            opts, items = parse_subcommand_cli(c, ['set-colors'] + list(args))
        except (Exception, SystemExit) as err:
            self.show_error('Invalid set_colors mapping', str(err))
            return
        try:
            payload = c.message_to_kitty(parse_rc_args([])[0], opts, items)
        except (Exception, SystemExit) as err:
            self.show_error('Failed to set colors', str(err))
            return
        pd = cast(dict[str, Any], payload if isinstance(payload, dict) else {})
        c.response_from_kitty(self, self.window_for_dispatch or self.active_window, PayloadGetter(c, pd))

    def _move_window_to(
        self,
        window: Window | None = None,
        target_tab_id: str | int | None = None,
        target_os_window_id: str | int | None = None
    ) -> None:
        window = window or self.active_window
        if not window:
            return
        src_tab = window.tabref()
        if src_tab is None:
            return
        with self.suppress_focus_change_events():
            if target_os_window_id == 'new':
                target_os_window_id = self.add_os_window()
                tm = self.os_window_map[target_os_window_id]
                target_tab = tm.new_tab(empty_tab=True)
            else:
                target_os_window_id = target_os_window_id or current_os_window()
                if isinstance(target_tab_id, str):
                    if not isinstance(target_os_window_id, int):
                        q = self.active_tab_manager
                        assert q is not None
                        tm = q
                    else:
                        tm = self.os_window_map[target_os_window_id]
                    if target_tab_id.startswith('new'):
                        # valid values for target_tab_id are 'new', 'new_after' and 'new_before'
                        target_tab = tm.new_tab(empty_tab=True, location=(target_tab_id[4:] or 'last'))
                    else:
                        target_tab = tm.tab_at_location(target_tab_id) or tm.new_tab(empty_tab=True)
                else:
                    for tab in self.all_tabs:
                        if tab.id == target_tab_id:
                            target_tab = tab
                            target_os_window_id = tab.os_window_id
                            break
                    else:
                        return

            target_tab.attach_windows(src_tab.detach_window(window))
            self._cleanup_tab_after_window_removal(src_tab)
            target_tab.make_active()

    def _swap_windows(self, window_a: Window, window_b: Window) -> None:
        tab = window_a.tabref()
        if tab is None or tab is not window_b.tabref():
            return
        wg_b = tab.windows.group_for_window(window_b)
        if wg_b is None:
            return
        with self.suppress_focus_change_events():
            tab.windows.set_active_window_group_for(window_a)
            tab.current_layout.move_window_to_group(tab.windows, wg_b.id)
            tab.relayout()

    def _insert_window_in_direction(
        self, window: Window, dest_window: Window, direction: Literal['left', 'right', 'top', 'bottom'],
    ) -> None:
        src_tab = window.tabref()
        dest_tab = dest_window.tabref()
        if src_tab is None or dest_tab is None:
            return
        with self.suppress_focus_change_events():
            if src_tab is not dest_tab:
                target_tab_id = dest_tab.id
                self._move_window_to(window, target_tab_id=target_tab_id)
                dest_tab_fresh = self.tab_for_id(dest_tab.id)
                if dest_tab_fresh is None:
                    return
                src_tab = dest_tab_fresh
            layout = src_tab.current_layout
            horizontal = direction in ('left', 'right')
            after = direction in ('right', 'bottom')
            layout.insert_window_next_to(src_tab.windows, window, dest_window, horizontal, after)
            src_tab.relayout()

    def _move_tab_to(self, tab: Tab | None = None, target_os_window_id: int | None = None) -> Tab | None:
        tab = tab or self.active_tab
        if tab is None:
            return None
        if target_os_window_id is None:
            target_os_window_id = self.add_os_window()
        tm = self.os_window_map[target_os_window_id]
        target_tab = tm.new_tab(empty_tab=True)
        target_tab.take_over_from(tab)
        self._cleanup_tab_after_window_removal(tab)
        target_tab.make_active()
        return target_tab

    def choose_entry[_T](
        self, title: str, entries: Iterable[tuple[_T | str | None, str]],
        callback: Callable[[_T | str | None], None],
        subtitle: str = '',
        hints_args: tuple[str, ...] | None = None,
    ) -> Window | None:
        lines = [title, subtitle, ' '] if subtitle else [title, ' ']
        idx_map: list[_T | str | None] = []
        ans: str | _T | None = None
        fmt = ': {1}'

        for obj, text in entries:
            idx_map.append(obj)
            if obj is None:
                lines.append(text)
            else:
                lines.append(fmt.format(len(idx_map), text))

        def done(data: dict[str, Any], target_window_id: int, self: Boss) -> None:
            nonlocal ans
            ans = idx_map[int(data['groupdicts'][0]['index'])]

        def done2(target_window_id: int, self: Boss) -> None:
            callback(ans)

        q = self.run_kitten_with_metadata(
            'hints', args=(
                '--ascending', '--customize-processing=::import::kitty.choose_entry',
                '--window-title', title,
                *(hints_args or ())
            ), input_data='\r\n'.join(lines).encode('utf-8'), custom_callback=done, action_on_removal=done2
        )
        return q if isinstance(q, Window) else None

    @ac('session', 'Switch to the specified session, creating it if not already present. See :ref:`goto_session`.')
    def goto_session(self, *cmdline: str) -> None:
        goto_session(self, cmdline)

    @ac('session', 'Save the current kitty state as a session file. See :ref:`save_as_session`.')
    def save_as_session(self, *cmdline: str) -> None:
        save_as_session(self, cmdline)

    @ac('session', '''
        Close a session, that is, close all windows that belong to the session.
        Examples::
            # Ask for the session to close
            map f1 close_session
            # Close the currently active session
            map f1 close_session .
            # Close session by name
            map f1 close_session "my session"
            # Close session by path to session file
            map f1 close_session "/path/to/session/file.kitty-session"
    ''')
    def close_session(self, *cmdline: str) -> None:
        close_session_with_confirm(self, cmdline)

    @ac('tab', 'Interactively select a tab to switch to')
    def select_tab(self) -> None:

        def chosen(ans: None | str | int) -> None:
            if isinstance(ans, int):
                for tab in self.all_tabs:
                    if tab.id == ans:
                        self.set_active_tab(tab)

        def format_tab_title(tab: Tab) -> str:
            w = 'windows' if tab.num_window_groups > 1 else 'window'
            return f'{tab.name or tab.title} [{tab.num_window_groups} {w}]'

        w = self.window_for_dispatch or self.active_window
        ct = w.tabref() if w else None
        self.choose_entry(
            'Choose a tab to switch to',
            ((None, f'Current tab: {format_tab_title(t)}') if t is ct else (t.id, format_tab_title(t)) for t in self.all_tabs),
            chosen
        )

    @ac('win', '''
        Temporarily show window title bars to allow drag-to-reorder

        When window title bars are hidden (because :opt:`window_title_bar_min_windows`
        is not met), this action forces them temporarily visible so that they can be
        dragged to reorder windows. After any drag operation completes, the bars are
        automatically hidden again. Press again to cancel before dragging.

        Has no effect on tabs where title bars are already naturally visible.

        Map an action to this, then press it before dragging a window title bar.
        ''')
    def toggle_window_title_bars(self) -> None:
        tm = self.active_tab_manager
        if tm is None:
            return
        opts = get_options()
        min_w = opts.window_title_bar_min_windows
        currently_forced = any(t.force_show_title_bars for t in tm)
        for t in tm:
            visible = sum(1 for _ in t.windows.iter_all_layoutable_groups(only_visible=True))
            naturally_visible = min_w > 0 and visible >= min_w
            if not naturally_visible:
                t.force_show_title_bars = not currently_forced
                t.relayout()

    @ac('win', '''
        Detach a window, moving it to another tab or OS Window

        See :ref:`detaching windows <detach_window>` for details.
        ''')
    def detach_window(self, *args: str) -> None:
        if not args or args[0] == 'new':
            return self._move_window_to(target_os_window_id='new')
        if args[0] in ('new-tab', 'tab-prev', 'tab-left', 'tab-right', 'new-tab-left', 'new-tab-right'):
            if args[0] == 'new-tab':
                where = 'new'
            elif args[0] == 'new-tab-right':
                where = 'new_after'
            elif args[0] == 'new-tab-left':
                where = 'new_before'
            else:
                where = args[0][4:]
            return self._move_window_to(target_tab_id=where)
        w = self.window_for_dispatch or self.active_window
        ct = w.tabref() if w else None
        items: list[tuple[str | int, str]] = [(t.id, t.effective_title) for t in self.all_tabs if t is not ct]
        items.append(('new_tab', 'New tab'))
        items.append(('new_os_window', 'New OS Window'))
        target_window = w

        def chosen(ans: None | str | int) -> None:
            if ans is not None:
                if isinstance(ans, str):
                    if ans == 'new_os_window':
                        self._move_window_to(target_os_window_id='new')
                    elif ans == 'new_tab':
                        self._move_window_to(target_tab_id=ans)
                else:
                    self._move_window_to(target_window, target_tab_id=ans)

        self.choose_entry('Choose a tab to move the window to', items, chosen)

    @ac('tab', '''
        Detach a tab, moving it to another OS Window. You can also use drag and drop to detach tabs.

        See :ref:`detaching windows <detach_window>` for details.
        ''')
    def detach_tab(self, *args: str) -> None:
        if not args or args[0] == 'new':
            self._move_tab_to()
            return

        items: list[tuple[str | int, str]] = []
        ct = self.active_tab_manager_with_dispatch
        for osw_id, tm in self.os_window_map.items():
            if tm is not ct and tm.active_tab:
                items.append((osw_id, tm.active_tab.title))
        items.append(('new', 'New OS Window'))
        w = self.window_for_dispatch or self.active_window
        target_tab = w.tabref() if w else None

        def chosen(ans: None | int | str) -> None:
            if ans is not None:
                os_window_id = None if isinstance(ans, str) else ans
                self._move_tab_to(tab=target_tab, target_os_window_id=os_window_id)

        self.choose_entry('Choose an OS window to move the tab to', items, chosen)

    def set_background_image(
        self, path: str | None, os_windows: tuple[int, ...], configured: bool, layout: str | None, png_data: bytes = b'',
        linear_interpolation: bool | None = None, tint: float | None = None, tint_gaps: float | None = None,
        global_index: int = -1, is_increment: bool = False,
    ) -> None:
        set_background_image(
            path, os_windows, configured, layout, png_data, linear_interpolation, tint, tint_gaps,
            global_index, is_increment)

    # Can be called with kitty -o "map f1 send_test_notification"
    def send_test_notification(self) -> None:
        self.notification_manager.send_test_notification()

    @ac('debug', 'Show the environment variables that the kitty process sees')
    def show_kitty_env_vars(self) -> None:
        w = self.window_for_dispatch or self.active_window
        env = os.environ.copy()
        if is_macos and env.get('LC_CTYPE') == 'UTF-8' and not getattr(sys, 'kitty_run_data').get('lc_ctype_before_python'):
            del env['LC_CTYPE']
        if w:
            output = '\n'.join(f'{k}={v}' for k, v in env.items())
            self.display_scrollback(w, output, title=_('Current kitty env vars'), report_cursor=False)

    @ac('debug', '''
        Close all shared SSH connections

        See :opt:`share_connections <kitten-ssh.share_connections>` for details.
        ''')
    def close_shared_ssh_connections(self) -> None:
        cleanup_ssh_control_masters()

    @ac('debug', '''Simulate a change in OS color scheme preference''')
    def simulate_color_scheme_preference_change(self, which: str) -> None:
        which = which.lower().replace('-', '_')
        match which:
            case 'light':
                self.on_system_color_scheme_change('light', False)
            case 'dark':
                self.on_system_color_scheme_change('dark', False)
            case 'no_preference':
                self.on_system_color_scheme_change('no_preference', False)
            case 'toggle':
                match theme_colors.applied_theme:
                    case 'light':
                        self.on_system_color_scheme_change('dark', False)
                    case _:
                        self.on_system_color_scheme_change('light', False)
            case _:
                self.show_error(_('Unknown color scheme type'), _('{} is not a valid color scheme type').format(which))

    @ac('debug', ''' Start a test drag operation, for use with mouse_map ''')
    def test_dragging(self) -> None:
        if wid := current_os_window():
            with open(logo_png_file, 'rb') as f:
                rgba, width, height = load_png_data(f.read())
            drag_data = {'text/plain': b'This is a test drag of some basic text with the kitty logo as the drag icon.'}
            start_drag_with_data(wid, drag_data, ((rgba, width, height),))

    def launch_urls(self, *urls: str, no_replace_window: bool = False) -> None:
        from .launch import force_window_launch
        from .open_actions import actions_for_launch
        actions: list[KeyAction] = []
        failures = []
        for url in urls:
            uactions = tuple(actions_for_launch(url))
            if uactions:
                actions.extend(uactions)
            else:
                failures.append(url)
        tab = self.active_tab
        if tab is not None:
            w = tab.active_window
        else:
            w = None
        needs_window_replaced = False
        if not no_replace_window and not get_options().startup_session:
            if w is not None and w.id == 1 and monotonic() - w.started_at < 2 and len(tuple(self.all_windows)) == 1:
                # first window, soon after startup replace it
                needs_window_replaced = True

        def clear_initial_window() -> None:
            if needs_window_replaced and tab is not None and w is not None:
                tab.remove_window(w)

        if failures:
            from kittens.tui.operations import styled
            spec = '\n  '.join(styled(u, fg='yellow') for u in failures)
            special_window = self.create_special_window_for_show_error('Open URL error', f"Unknown URL type, cannot open:\n  {spec}")
            if needs_window_replaced and tab is not None:
                tab.new_special_window(special_window)
            else:
                self._new_os_window(special_window)
            clear_initial_window()
            needs_window_replaced = False
        if actions:
            with force_window_launch(needs_window_replaced):
                self.dispatch_action(actions.pop(0))
            clear_initial_window()
            if actions:
                self.drain_actions(actions)

    @ac('debug', 'Show the effective configuration kitty is running with')
    def debug_config(self) -> None:
        from .debug_config import debug_config
        w = self.window_for_dispatch or self.active_window
        if w is not None:
            output = debug_config(get_options(), self.mappings.global_shortcuts)
            set_clipboard_string(re.sub(r'\x1b.+?m', '', output))
            self.handle_clipboard_loss('clipboard')
            output += '\n\x1b[35mThis debug output has been copied to the clipboard\x1b[m'  # ]]]
            self.display_scrollback(w, output, title=_('Current kitty options'), report_cursor=False)

    @ac('misc', 'Discard this event completely ignoring it')
    def discard_event(self) -> None:
        pass
    mouse_discard_event = discard_event

    def sanitize_url_for_display_to_user(self, url: str) -> str:
        return sanitize_url_for_display_to_user(url)

    def on_system_color_scheme_change(self, appearance: ColorSchemes, is_initial_value: bool) -> None:
        theme_colors.on_system_color_scheme_change(appearance, is_initial_value)

    @ac('win', '''
        Toggle to the tab matching the specified expression

        Switches to the matching tab if another tab is current, otherwise
        switches to the last used tab. Useful to easily switch to and back from a
        tab using a single shortcut. Note that toggling works only between
        tabs in the same OS window. See :ref:`search_syntax` for details
        on the match expression. For example::

            map f1 toggle_tab title:mytab
        ''')
    def toggle_tab(self, match_expression: str) -> None:
        tm = self.active_tab_manager_with_dispatch
        if tm is not None:
            tm.toggle_tab(match_expression)

    def update_progress_in_dock(self) -> None:
        if not is_macos:
            return
        has_indeterminate_progress = False
        num_of_windows_with_progress = total_progress = 0
        for tm in self.os_window_map.values():
            if tm.num_of_windows_with_progress:
                total_progress += tm.total_progress
                num_of_windows_with_progress += tm.num_of_windows_with_progress
            if tm.has_indeterminate_progress:
                has_indeterminate_progress = True
        from .fast_data_types import cocoa_show_progress_bar_on_dock_icon
        if num_of_windows_with_progress:
            cocoa_show_progress_bar_on_dock_icon(min(100, total_progress / num_of_windows_with_progress))
        elif has_indeterminate_progress:
            cocoa_show_progress_bar_on_dock_icon(101)
        else:
            cocoa_show_progress_bar_on_dock_icon()

    def on_clipboard_lost(self, which: Literal['clipboard', 'primary']) -> None:
        self.handle_clipboard_loss(which)

    def handle_clipboard_loss(self, which: Literal['clipboard', 'primary'], exception: int = 0) -> None:
        opts = get_options()
        if opts.clear_selection_on_clipboard_loss and (which == 'primary' or opts.copy_on_select == 'clipboard'):
            for wid, window in self.window_id_map.items():
                if wid == exception:
                    continue
                window.screen.clear_selection()

    @ac('misc', grab_keyboard_docs)
    def grab_keyboard(self) -> None:
        grab_keyboard(True)

    @ac('misc', 'Ungrab the keyboard if it was previously grabbed')
    def ungrab_keyboard(self) -> None:
        grab_keyboard(False)

    def search_scrollback_in_active(self) -> None:
        if w := self.active_window:
            w.search_scrollback()

    def copy_or_noop(self) -> bool | None:
        if w := self.active_window:
            ans = w.copy_or_noop()
            return ans
        return True
