330 lines
11 KiB
EmacsLisp
330 lines
11 KiB
EmacsLisp
|
;;; key-cat.el --- List key bindings by category
|
||
|
|
;;
|
||
|
|
;; Author: Lennart Borgman (lennart O borgman A gmail O com)
|
||
|
|
;; Created: Sat Jan 28 2006
|
||
|
|
;; Version: 0.25
|
||
|
|
;; Last-Updated: 2009-05-09 Sat
|
||
|
|
;; Keywords:
|
||
|
|
;; Compatibility:
|
||
|
|
;;
|
||
|
|
;; Requires Emacs 22.
|
||
|
|
;;
|
||
|
|
;; Features that might be required by this library:
|
||
|
|
;;
|
||
|
|
;; `cl'.
|
||
|
|
;;
|
||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
|
;;
|
||
|
|
;;; Commentary:
|
||
|
|
;;
|
||
|
|
;; Display help that looks like a reference sheet for common
|
||
|
|
;; commands.
|
||
|
|
;;
|
||
|
|
;; To use this in your .emacs put
|
||
|
|
;;
|
||
|
|
;; (require 'key-cat)
|
||
|
|
;;
|
||
|
|
;; Then use the command
|
||
|
|
;;
|
||
|
|
;; M-x key-cat-help
|
||
|
|
;;
|
||
|
|
;; For more information see that command.
|
||
|
|
;;
|
||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
|
;;
|
||
|
|
;;; Change log:
|
||
|
|
;;
|
||
|
|
;;
|
||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
|
;;
|
||
|
|
;; This program is free software; you can redistribute it and/or modify
|
||
|
|
;; it under the terms of the GNU General Public License as published by
|
||
|
|
;; the Free Software Foundation; either version 2, or (at your option)
|
||
|
|
;; any later version.
|
||
|
|
;;
|
||
|
|
;; This program is distributed in the hope that it will be useful,
|
||
|
|
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
;; GNU General Public License for more details.
|
||
|
|
;;
|
||
|
|
;; You should have received a copy of the GNU General Public License
|
||
|
|
;; along with this program; see the file COPYING. If not, write to the
|
||
|
|
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
|
|
;; Boston, MA 02111-1307, USA.
|
||
|
|
;;
|
||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
|
;;
|
||
|
|
;;; Code:
|
||
|
|
|
||
|
|
(eval-when-compile (require 'cl))
|
||
|
|
|
||
|
|
(defconst key-cat-cmd-list
|
||
|
|
'(
|
||
|
|
(error-testing
|
||
|
|
(commands
|
||
|
|
:visible nil
|
||
|
|
hallo
|
||
|
|
key-cat-help
|
||
|
|
key-cat-where-is
|
||
|
|
))
|
||
|
|
("Help"
|
||
|
|
(commands
|
||
|
|
help-for-help
|
||
|
|
info-emacs-manual
|
||
|
|
info
|
||
|
|
))
|
||
|
|
("Special Functions and Keys"
|
||
|
|
;; For similar functions that are most often bound to a specific key
|
||
|
|
(commands
|
||
|
|
key-cat-tab
|
||
|
|
key-cat-complete
|
||
|
|
)
|
||
|
|
)
|
||
|
|
("Files, Buffers and Windows"
|
||
|
|
(commands
|
||
|
|
find-file
|
||
|
|
save-buffer
|
||
|
|
write-file
|
||
|
|
split-window-vertically
|
||
|
|
split-window-horizontally
|
||
|
|
delete-other-windows
|
||
|
|
other-window
|
||
|
|
buffer-menu
|
||
|
|
))
|
||
|
|
("Search and replace"
|
||
|
|
(commands
|
||
|
|
isearch-forward
|
||
|
|
isearch-backward
|
||
|
|
query-replace
|
||
|
|
isearch-forward-regexp
|
||
|
|
isearch-backward-regexp
|
||
|
|
query-replace-regexp
|
||
|
|
occur
|
||
|
|
lgrep
|
||
|
|
rgrep
|
||
|
|
))
|
||
|
|
("Lines"
|
||
|
|
(commands
|
||
|
|
move-beginning-of-line
|
||
|
|
move-end-of-line
|
||
|
|
kill-line
|
||
|
|
))
|
||
|
|
("Words"
|
||
|
|
(commands
|
||
|
|
forward-word
|
||
|
|
backward-word
|
||
|
|
kill-word
|
||
|
|
))
|
||
|
|
("Region"
|
||
|
|
(commands
|
||
|
|
set-mark-command
|
||
|
|
;;cua-set-mark
|
||
|
|
kill-region
|
||
|
|
copy-region-as-kill
|
||
|
|
yank
|
||
|
|
yank-pop
|
||
|
|
))
|
||
|
|
("Undo"
|
||
|
|
(commands
|
||
|
|
undo
|
||
|
|
))
|
||
|
|
("Viper"
|
||
|
|
(commands
|
||
|
|
:visible (lambda()
|
||
|
|
(and (featurep 'viper)
|
||
|
|
viper-mode))
|
||
|
|
viper-next-line
|
||
|
|
viper-previous-line
|
||
|
|
viper-forward-word
|
||
|
|
viper-backward-word
|
||
|
|
viper-forward-Word
|
||
|
|
viper-backward-Word
|
||
|
|
viper-repeat
|
||
|
|
viper-forward-char
|
||
|
|
viper-backward-char
|
||
|
|
viper-next-line-at-bol
|
||
|
|
viper-previous-line-at-bol
|
||
|
|
viper-command-argument
|
||
|
|
viper-digit-argument
|
||
|
|
))
|
||
|
|
)
|
||
|
|
"List with common commands to display by `key-cat-help'.
|
||
|
|
The elements of this list corresponds to sections to show in the
|
||
|
|
help. Each element consists of sublists beginning with the
|
||
|
|
keyword 'commands. The sublists may after 'command contain the
|
||
|
|
keyword :visible which takes a variable or function as argument.
|
||
|
|
If the argument evaluates to non-nil the list is shown."
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
(defvar key-cat-cmd-list-1 nil)
|
||
|
|
|
||
|
|
(defun key-cat-help()
|
||
|
|
"Display reference sheet style help for common commands.
|
||
|
|
See also `key-cat-cmd-list'."
|
||
|
|
(interactive)
|
||
|
|
(if (> 22 emacs-major-version)
|
||
|
|
(message "Sorry, this requires Emacs 22 or later")
|
||
|
|
;; Delay to get correct bindings when running through M-x
|
||
|
|
(setq key-cat-cmd-list-1 key-cat-cmd-list)
|
||
|
|
(run-with-timer 0.1 nil 'key-cat-help-internal)))
|
||
|
|
|
||
|
|
(defun key-cat-help-internal() ;(category)
|
||
|
|
(message "Please wait ...")
|
||
|
|
(condition-case err
|
||
|
|
(save-match-data ;; runs in timer
|
||
|
|
(let ((result))
|
||
|
|
(help-setup-xref (list #'key-cat-help)
|
||
|
|
(interactive-p))
|
||
|
|
;; (push (list "Changing commands"
|
||
|
|
;; (list
|
||
|
|
;; 'command
|
||
|
|
;; indent-line-function
|
||
|
|
;; ))
|
||
|
|
;; key-cat-cmd-list-1)
|
||
|
|
(dolist (catentry key-cat-cmd-list-1)
|
||
|
|
(let ((category (car catentry))
|
||
|
|
(commands (cdr catentry))
|
||
|
|
(cmds)
|
||
|
|
(keyw)
|
||
|
|
(visible)
|
||
|
|
(visible-fun)
|
||
|
|
(cmdstr)
|
||
|
|
(doc))
|
||
|
|
(dolist (cmdlist commands)
|
||
|
|
(setq cmdlist (cdr cmdlist))
|
||
|
|
(setq visible t)
|
||
|
|
(while (keywordp (setq keyw (car cmdlist)))
|
||
|
|
(setq cmdlist (cdr cmdlist))
|
||
|
|
(case keyw
|
||
|
|
(:visible (setq visible-fun (pop cmdlist))
|
||
|
|
(setq visible (if (symbolp visible-fun)
|
||
|
|
(progn
|
||
|
|
(symbol-value visible-fun))
|
||
|
|
(funcall visible-fun)))
|
||
|
|
)
|
||
|
|
))
|
||
|
|
(when visible
|
||
|
|
(dolist (cmd cmdlist)
|
||
|
|
(setq cmds (cons cmd cmds)))))
|
||
|
|
(when cmds
|
||
|
|
(push (format "\n%s:\n"
|
||
|
|
(let ((s (format "%s" category)))
|
||
|
|
(put-text-property 0 (length s)
|
||
|
|
'face (list
|
||
|
|
'bold
|
||
|
|
)
|
||
|
|
s)
|
||
|
|
s))
|
||
|
|
result))
|
||
|
|
(setq cmds (reverse cmds))
|
||
|
|
(dolist (cmd cmds)
|
||
|
|
(setq cmdstr
|
||
|
|
(let ((s "Where to find it:" ))
|
||
|
|
(put-text-property 0 (length s)
|
||
|
|
'face '(:slant italic
|
||
|
|
:background "RGB:dd/dd/ff"
|
||
|
|
) s) s))
|
||
|
|
(if (not (functionp cmd))
|
||
|
|
(cond
|
||
|
|
((eq 'key-cat-tab cmd)
|
||
|
|
(let ((s "Indent line"))
|
||
|
|
(put-text-property 0 (length s) 'face '(:foreground "blue") s)
|
||
|
|
(push s result))
|
||
|
|
(push ":\n" result)
|
||
|
|
(push (concat
|
||
|
|
" "
|
||
|
|
"Indent current line (done by specific major mode function).\n")
|
||
|
|
result)
|
||
|
|
(push (format " %17s %s\n" cmdstr (key-description [tab])) result)
|
||
|
|
)
|
||
|
|
((eq 'key-cat-complete cmd)
|
||
|
|
(let ((s "Completion"))
|
||
|
|
(put-text-property 0 (length s) 'face '(:foreground "blue") s)
|
||
|
|
(push s result))
|
||
|
|
(push ":\n" result)
|
||
|
|
(push (concat
|
||
|
|
" "
|
||
|
|
"Performe completion at point (done by specific major mode function).\n")
|
||
|
|
result)
|
||
|
|
(push (format " %17s %s\n" cmdstr (key-description [meta tab])) result)
|
||
|
|
)
|
||
|
|
(t
|
||
|
|
(let ((s (format "`%s': (not a function)\n" cmd)))
|
||
|
|
(put-text-property 0 (length s) 'face '(:foreground "red") s)
|
||
|
|
(push s result))))
|
||
|
|
(let ((keys (key-cat-where-is cmd)))
|
||
|
|
(push (format "`%s':\n" cmd) result)
|
||
|
|
(setq doc (documentation cmd t))
|
||
|
|
(push
|
||
|
|
(concat
|
||
|
|
" "
|
||
|
|
(if doc
|
||
|
|
(substring doc 0 (string-match "\n" doc))
|
||
|
|
"(not documented)")
|
||
|
|
"\n")
|
||
|
|
result)
|
||
|
|
(if (not keys)
|
||
|
|
(if (interactive-form cmd)
|
||
|
|
(push (format " %17s M-x %s\n" cmdstr cmd) result)
|
||
|
|
(let ((s "(not an interactive command)"))
|
||
|
|
(put-text-property 0 (length s) 'face '(:foreground "red") s)
|
||
|
|
(push (format " %17s %s\n" cmdstr s) result)))
|
||
|
|
(dolist (key keys)
|
||
|
|
(push (format " %17s " cmdstr) result)
|
||
|
|
(push (format "%s\n"
|
||
|
|
(if (eq (elt key 0) 'xmenu-bar)
|
||
|
|
"Menus"
|
||
|
|
(key-description key)))
|
||
|
|
result)
|
||
|
|
(setq cmdstr ""))))))))
|
||
|
|
(save-excursion
|
||
|
|
(with-current-buffer (help-buffer)
|
||
|
|
(with-output-to-temp-buffer (help-buffer)
|
||
|
|
(insert
|
||
|
|
(let ((s "Some important commands\n"))
|
||
|
|
(put-text-property 0 (length s)
|
||
|
|
'face '(:weight bold
|
||
|
|
:height 1.5
|
||
|
|
:foreground "RGB:00/00/66") s)
|
||
|
|
s))
|
||
|
|
(setq result (reverse result))
|
||
|
|
(dolist (r result)
|
||
|
|
(insert r))
|
||
|
|
)))
|
||
|
|
(message "")))
|
||
|
|
(error (message "%s" (error-message-string err)))))
|
||
|
|
|
||
|
|
;; Mostly copied from `where-is':
|
||
|
|
(defun key-cat-where-is (definition)
|
||
|
|
"Return key sequences that invoke the command DEFINITION.
|
||
|
|
Argument is a command definition, usually a symbol with a function definition."
|
||
|
|
(let ((func (indirect-function definition))
|
||
|
|
(defs nil)
|
||
|
|
(all-keys))
|
||
|
|
;; In DEFS, find all symbols that are aliases for DEFINITION.
|
||
|
|
(mapatoms (lambda (symbol)
|
||
|
|
(and (fboundp symbol)
|
||
|
|
(not (eq symbol definition))
|
||
|
|
(eq func (condition-case ()
|
||
|
|
(indirect-function symbol)
|
||
|
|
(error symbol)))
|
||
|
|
(push symbol defs))))
|
||
|
|
;; Look at all the symbols--first DEFINITION,
|
||
|
|
;; then its aliases.
|
||
|
|
(dolist (symbol (cons definition defs))
|
||
|
|
(let* ((remapped (command-remapping symbol))
|
||
|
|
(keys (where-is-internal
|
||
|
|
;;symbol overriding-local-map nil nil remapped)))
|
||
|
|
symbol nil nil nil remapped)))
|
||
|
|
(when keys
|
||
|
|
(dolist (key keys)
|
||
|
|
(setq all-keys (cons key all-keys))))))
|
||
|
|
all-keys))
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
(provide 'key-cat)
|
||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
|
;;; key-cat.el ends here
|