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* bug#54027: Wishlist: Support full CSI u specification for terminal input
@ 2022-02-16 18:24 Alex Hutcheson via Bug reports for GNU Emacs, the Swiss army knife of text editors
  2022-02-17 23:14 ` Richard Stallman
  2022-02-18  8:30 ` Eli Zaretskii
  0 siblings, 2 replies; 16+ messages in thread
From: Alex Hutcheson via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2022-02-16 18:24 UTC (permalink / raw)
  To: 54027

CSI u is a mechanism for reporting keystrokes that is more powerful than
the standard used in Unix.

The specification is detailed at:
http://www.leonerd.org.uk/hacks/fixterms/

The specification is implemented by iTerm2, which is a popular
GPL-licensed terminal for macOS:
https://iterm2.com/documentation-csiu.html

A variant of the specification is implemented by kitty, another
GPL-licensed terminal on Linux and macOS:
https://sw.kovidgoyal.net/kitty/keyboard-protocol/#comprehensive-keyboard-handling-in-terminals

The GPL-licensed mintty terminal for Windows also has support:
https://github.com/mintty/mintty/wiki/Keycodes

Emacs contains code in xterm.el that can handle a subset of the possible
key combinations encoded to this specification, but not all of them.
For example, iTerm2 is able to send an encoding for Ctrl-Shift-n (aka
C-N),
but Emacs is unable to recognized the CSI u encoding for this key
combination.

My feature request is to implement full support for the encoding, so
that users using a supported terminal can send the full range of
key combinations to an Emacs running in a terminal.

Additional context: https://emacs.stackexchange.com/a/13957





^ permalink raw reply	[flat|nested] 16+ messages in thread

end of thread, other threads:[~2022-05-25  2:33 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-02-16 18:24 bug#54027: Wishlist: Support full CSI u specification for terminal input Alex Hutcheson via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-17 23:14 ` Richard Stallman
2022-02-18  8:30 ` Eli Zaretskii
2022-02-23  1:07   ` Alex Hutcheson via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-26  8:10     ` Eli Zaretskii
2022-02-27 18:21       ` Alex Hutcheson via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-27 18:38         ` Eli Zaretskii
2022-02-27 18:53           ` Alex Hutcheson via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-27 19:16             ` Eli Zaretskii
2022-02-28  3:49         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-28 12:17           ` Eli Zaretskii
2022-02-28 13:22             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-28 13:31               ` Eli Zaretskii
2022-02-28 15:25                 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-05-25  1:25                   ` Alex Hutcheson via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-05-25  2:33                     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors

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