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Display prefix names in terminal-mode

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When running emacs in a terminal (or at least, in iTerm), keys are not
passed through to emacs the same way that they are in graphical mode.

For example, M-m (important in spacemacs) is the key-sequence
`[134217837]` in graphical emacs, but `[27 109]` ("ESC m") in terminal.

The variable `which-key-prefix-name-alst` only has a mapping for the
former (the 134217837), and so the names of submenus all show up as
"+prefix", limiting discoverability.

This commit converts the key sequence into a canonical form (eg:
converts `[27 109]` into `[134217837]`) in
`which-key--maybe-replace-prefix-name`, so that the prefixes are found.

I think some work is probably needed for
`which-key-prefix-title-alist` too, but I'm not entirely sure what
that's used for, so I didn't mess with it.
This commit is contained in:
Chris Perkins 2015-11-28 11:15:21 -07:00
parent 2d0b1463ad
commit ead6b70fd0
1 changed files with 3 additions and 2 deletions
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5
which-key.el
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@ -1109,9 +1109,10 @@ and DESC is the description that is possibly replaced using the
`which-key-prefix-name-alist'. Whether or not a replacement
occurs return the new STRING."
(let* ((alist which-key-prefix-name-alist)
(res (assoc key-lst alist))
(canonical-key-lst (listify-key-sequence (kbd (key-description key-lst))))
(res (assoc canonical-key-lst alist))
(mode-alist (assq major-mode alist))
(mode-res (when mode-alist (assoc key-lst mode-alist))))
(mode-res (when mode-alist (assoc canonical-key-lst mode-alist))))
(cond (mode-res (cdr mode-res))
(res (cdr res))
(t desc))))