78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
#!/usr/bin/env python3
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
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import sys
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from typing import List
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from kitty.key_encoding import (
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ALT, CTRL, PRESS, RELEASE, REPEAT, SHIFT, SUPER, HYPER, META, KeyEvent,
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encode_key_event
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)
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from ..tui.handler import Handler
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from ..tui.loop import Loop
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class KeysHandler(Handler):
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def initialize(self) -> None:
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self.cmd.set_window_title('Kitty extended keyboard protocol demo')
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self.cmd.set_cursor_visible(False)
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self.print('Press any keys - Ctrl+C or Ctrl+D will terminate')
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def on_key_event(self, key_event: KeyEvent, in_bracketed_paste: bool = False) -> None:
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etype = {
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PRESS: 'PRESS',
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REPEAT: 'REPEAT',
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RELEASE: 'RELEASE'
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}[key_event.type]
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lmods = []
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for m, name in {
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SHIFT: 'Shift',
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ALT: 'Alt',
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CTRL: 'Ctrl',
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SUPER: 'Super',
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HYPER: 'Hyper',
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META: 'Meta'}.items():
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if key_event.mods & m:
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lmods.append(name)
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mods = '+'.join(lmods)
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if mods:
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mods += '+'
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key = f'{mods}{key_event.key} '
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self.cmd.colored(key, 'green')
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self.cmd.colored(etype + ' ', 'yellow')
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self.cmd.styled(key_event.text, italic=True)
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self.print()
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rep = 'CSI ' + encode_key_event(key_event)[2:]
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rep = rep.replace(';', ' ; ').replace(':', ' : ')[:-1] + ' ' + rep[-1]
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self.cmd.styled(rep, fg='magenta')
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if (key_event.shifted_key or key_event.alternate_key):
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self.print()
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if key_event.shifted_key:
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self.cmd.colored('Shifted key: ', 'gray')
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self.print(key_event.shifted_key + ' ', end='')
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if key_event.alternate_key:
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self.cmd.colored('Alternate key: ', 'gray')
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self.print(key_event.alternate_key + ' ', end='')
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self.print()
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self.print()
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def on_interrupt(self) -> None:
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self.quit_loop(0)
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def on_eot(self) -> None:
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self.quit_loop(0)
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def main(args: List[str]) -> None:
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loop = Loop()
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handler = KeysHandler()
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loop.loop(handler)
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raise SystemExit(loop.return_code)
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if __name__ == '__main__':
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main(sys.argv)
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