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#!/usr/bin/env python
# License: GPLv3 Copyright: 2020, Kovid Goyal <kovid at kovidgoyal.net>
import sys
from base64 import standard_b64encode
from gettext import gettext as _
from typing import Any
from kitty.cli import parse_args
from kitty.cli_stub import BroadcastCLIOptions
from kitty.key_encoding import encode_key_event
from kitty.rc.base import MATCH_TAB_OPTION, MATCH_WINDOW_OPTION
from kitty.remote_control import create_basic_command, encode_send
from kitty.short_uuid import uuid4
from kitty.typing_compat import KeyEventType, ScreenSize
from ..tui.handler import Handler
from ..tui.line_edit import LineEdit
from ..tui.loop import Loop
from ..tui.operations import RESTORE_CURSOR, SAVE_CURSOR, styled
def session_command(payload: dict[str, Any], start: bool = True) -> bytes:
payload = payload.copy()
payload['data'] = 'session:' + ('start' if start else 'end')
send = create_basic_command('send-text', payload, no_response=True)
return encode_send(send)
class Broadcast(Handler):
def __init__(self, opts: BroadcastCLIOptions, initial_strings: list[str]) -> None:
self.opts = opts
self.hide_input = False
self.initial_strings = initial_strings
self.payload = {'exclude_active': True, 'data': '', 'match': opts.match, 'match_tab': opts.match_tab, 'session_id': uuid4()}
self.line_edit = LineEdit()
self.session_started = False
if not opts.match and not opts.match_tab:
self.payload['all'] = True
def initialize(self) -> None:
self.write_broadcast_session()
self.print('Type the text to broadcast below, press', styled(self.opts.end_session, fg='yellow'), 'to quit:')
for x in self.initial_strings:
self.write_broadcast_text(x)
self.write(SAVE_CURSOR)
def commit_line(self) -> None:
self.write(RESTORE_CURSOR + SAVE_CURSOR)
self.cmd.clear_to_end_of_screen()
self.line_edit.write(self.write, screen_cols=self.screen_size.cols)
def on_resize(self, screen_size: ScreenSize) -> None:
super().on_resize(screen_size)
self.commit_line()
def on_text(self, text: str, in_bracketed_paste: bool = False) -> None:
self.write_broadcast_text(text)
if not self.hide_input:
self.line_edit.on_text(text, in_bracketed_paste)
self.commit_line()
def on_interrupt(self) -> None:
self.write_broadcast_text('\x03')
self.line_edit.clear()
self.commit_line()
def on_eot(self) -> None:
self.write_broadcast_text('\x04')
def on_key(self, key_event: KeyEventType) -> None:
if key_event.matches(self.opts.hide_input_toggle):
self.hide_input ^= True
self.cmd.set_cursor_visible(not self.hide_input)
if self.hide_input:
self.end_line()
self.print('Input hidden, press', styled(self.opts.hide_input_toggle, fg='yellow'), 'to unhide:')
self.end_line()
return
if key_event.matches(self.opts.end_session):
self.quit_loop(0)
return
if not self.hide_input and self.line_edit.on_key(key_event):
self.commit_line()
if key_event.matches('enter'):
self.write_broadcast_text('\r')
self.end_line()
return
ek = encode_key_event(key_event)
ek = standard_b64encode(ek.encode('utf-8')).decode('ascii')
self.write_broadcast_data('kitty-key:' + ek)
def end_line(self) -> None:
self.print('')
self.line_edit.clear()
self.write(SAVE_CURSOR)
def write_broadcast_text(self, text: str) -> None:
self.write_broadcast_data('base64:' + standard_b64encode(text.encode('utf-8')).decode('ascii'))
def write_broadcast_data(self, data: str) -> None:
payload = self.payload.copy()
payload['data'] = data
send = create_basic_command('send-text', payload, no_response=True)
self.write(encode_send(send))
def write_broadcast_session(self, start: bool = True) -> None:
self.session_started = start
self.write(session_command(self.payload, start))
OPTIONS = ('''
--hide-input-toggle
default=Ctrl+Alt+Esc
Key to press that will toggle hiding of the input in the broadcast window itself.
Useful while typing a password, prevents the password from being visible on the screen.
--end-session
default=Ctrl+Esc
Key to press to end the broadcast session.
''' + MATCH_WINDOW_OPTION + '\n\n' + MATCH_TAB_OPTION.replace('--match -m', '--match-tab -t')).format
help_text = 'Broadcast typed text to kitty windows. By default text is sent to all windows, unless one of the matching options is specified'
usage = '[initial text to send ...]'
def parse_broadcast_args(args: list[str]) -> tuple[BroadcastCLIOptions, list[str]]:
return parse_args(args, OPTIONS, usage, help_text, 'kitty +kitten broadcast', result_class=BroadcastCLIOptions)
def main(args: list[str]) -> dict[str, Any] | None:
try:
opts, items = parse_broadcast_args(args[1:])
except SystemExit as e:
if e.code != 0:
print(e.args[0], file=sys.stderr)
input(_('Press Enter to quit'))
return None
sys.stdout.flush()
loop = Loop()
handler = Broadcast(opts, items)
try:
loop.loop(handler)
finally:
if handler.session_started:
sys.stdout.buffer.write(session_command(handler.payload, False))
sys.stdout.buffer.flush()
return None
if __name__ == '__main__':
main(sys.argv)
elif __name__ == '__doc__':
cd = sys.cli_docs # type: ignore
cd['usage'] = usage
cd['options'] = OPTIONS
cd['help_text'] = help_text
cd['short_desc'] = 'Broadcast typed text to kitty windows'
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