emacs: move notmuch-help to lib

notmuch-help is in notmuch.el not notmuch-lib.el and this is
incovenient for the way pick/tree uses it. I think lib makes more
sense anyway so move it there.
This commit is contained in:
Mark Walters 2013-10-29 22:55:28 +00:00 committed by David Bremner
parent 54e7f1777d
commit 52faf1f993
2 changed files with 87 additions and 87 deletions

View file

@ -215,6 +215,93 @@ depending on the value of `notmuch-poll-script'."
(interactive) (interactive)
(kill-buffer (current-buffer))) (kill-buffer (current-buffer)))
(defun notmuch-documentation-first-line (symbol)
"Return the first line of the documentation string for SYMBOL."
(let ((doc (documentation symbol)))
(if doc
(with-temp-buffer
(insert (documentation symbol t))
(goto-char (point-min))
(let ((beg (point)))
(end-of-line)
(buffer-substring beg (point))))
"")))
(defun notmuch-prefix-key-description (key)
"Given a prefix key code, return a human-readable string representation.
This is basically just `format-kbd-macro' but we also convert ESC to M-."
(let ((desc (format-kbd-macro (vector key))))
(if (string= desc "ESC")
"M-"
(concat desc " "))))
(defun notmuch-describe-keymap (keymap ua-keys &optional prefix tail)
"Return a list of strings, each describing one binding in KEYMAP.
Each string gives a human-readable description of the key and a
one-line description of the bound function. See `notmuch-help'
for an overview of how this documentation is extracted.
UA-KEYS should be a key sequence bound to `universal-argument'.
It will be used to describe bindings of commands that support a
prefix argument. PREFIX and TAIL are used internally."
(map-keymap
(lambda (key binding)
(cond ((mouse-event-p key) nil)
((keymapp binding)
(setq tail
(notmuch-describe-keymap
binding ua-keys (notmuch-prefix-key-description key) tail)))
(t
(when (and ua-keys (symbolp binding)
(get binding 'notmuch-prefix-doc))
;; Documentation for prefixed command
(let ((ua-desc (key-description ua-keys)))
(push (concat ua-desc " " prefix (format-kbd-macro (vector key))
"\t" (get binding 'notmuch-prefix-doc))
tail)))
;; Documentation for command
(push (concat prefix (format-kbd-macro (vector key)) "\t"
(or (and (symbolp binding) (get binding 'notmuch-doc))
(notmuch-documentation-first-line binding)))
tail))))
keymap)
tail)
(defun notmuch-substitute-command-keys (doc)
"Like `substitute-command-keys' but with documentation, not function names."
(let ((beg 0))
(while (string-match "\\\\{\\([^}[:space:]]*\\)}" doc beg)
(let* ((keymap-name (substring doc (match-beginning 1) (match-end 1)))
(keymap (symbol-value (intern keymap-name)))
(ua-keys (where-is-internal 'universal-argument keymap t))
(desc-list (notmuch-describe-keymap keymap ua-keys))
(desc (mapconcat #'identity desc-list "\n")))
(setq doc (replace-match desc 1 1 doc)))
(setq beg (match-end 0)))
doc))
(defun notmuch-help ()
"Display help for the current notmuch mode.
This is similar to `describe-function' for the current major
mode, but bindings tables are shown with documentation strings
rather than command names. By default, this uses the first line
of each command's documentation string. A command can override
this by setting the 'notmuch-doc property of its command symbol.
A command that supports a prefix argument can explicitly document
its prefixed behavior by setting the 'notmuch-prefix-doc property
of its command symbol."
(interactive)
(let* ((mode major-mode)
(doc (substitute-command-keys (notmuch-substitute-command-keys (documentation mode t)))))
(with-current-buffer (generate-new-buffer "*notmuch-help*")
(insert doc)
(goto-char (point-min))
(set-buffer-modified-p nil)
(view-buffer (current-buffer) 'kill-buffer-if-not-modified))))
(defvar notmuch-buffer-refresh-function nil (defvar notmuch-buffer-refresh-function nil
"Function to call to refresh the current buffer.") "Function to call to refresh the current buffer.")
(make-variable-buffer-local 'notmuch-buffer-refresh-function) (make-variable-buffer-local 'notmuch-buffer-refresh-function)

View file

@ -119,93 +119,6 @@ To enter a line break in customize, press \\[quoted-insert] C-j."
(mm-save-part p)))) (mm-save-part p))))
mm-handle)) mm-handle))
(defun notmuch-documentation-first-line (symbol)
"Return the first line of the documentation string for SYMBOL."
(let ((doc (documentation symbol)))
(if doc
(with-temp-buffer
(insert (documentation symbol t))
(goto-char (point-min))
(let ((beg (point)))
(end-of-line)
(buffer-substring beg (point))))
"")))
(defun notmuch-prefix-key-description (key)
"Given a prefix key code, return a human-readable string representation.
This is basically just `format-kbd-macro' but we also convert ESC to M-."
(let ((desc (format-kbd-macro (vector key))))
(if (string= desc "ESC")
"M-"
(concat desc " "))))
(defun notmuch-describe-keymap (keymap ua-keys &optional prefix tail)
"Return a list of strings, each describing one binding in KEYMAP.
Each string gives a human-readable description of the key and a
one-line description of the bound function. See `notmuch-help'
for an overview of how this documentation is extracted.
UA-KEYS should be a key sequence bound to `universal-argument'.
It will be used to describe bindings of commands that support a
prefix argument. PREFIX and TAIL are used internally."
(map-keymap
(lambda (key binding)
(cond ((mouse-event-p key) nil)
((keymapp binding)
(setq tail
(notmuch-describe-keymap
binding ua-keys (notmuch-prefix-key-description key) tail)))
(t
(when (and ua-keys (symbolp binding)
(get binding 'notmuch-prefix-doc))
;; Documentation for prefixed command
(let ((ua-desc (key-description ua-keys)))
(push (concat ua-desc " " prefix (format-kbd-macro (vector key))
"\t" (get binding 'notmuch-prefix-doc))
tail)))
;; Documentation for command
(push (concat prefix (format-kbd-macro (vector key)) "\t"
(or (and (symbolp binding) (get binding 'notmuch-doc))
(notmuch-documentation-first-line binding)))
tail))))
keymap)
tail)
(defun notmuch-substitute-command-keys (doc)
"Like `substitute-command-keys' but with documentation, not function names."
(let ((beg 0))
(while (string-match "\\\\{\\([^}[:space:]]*\\)}" doc beg)
(let* ((keymap-name (substring doc (match-beginning 1) (match-end 1)))
(keymap (symbol-value (intern keymap-name)))
(ua-keys (where-is-internal 'universal-argument keymap t))
(desc-list (notmuch-describe-keymap keymap ua-keys))
(desc (mapconcat #'identity desc-list "\n")))
(setq doc (replace-match desc 1 1 doc)))
(setq beg (match-end 0)))
doc))
(defun notmuch-help ()
"Display help for the current notmuch mode.
This is similar to `describe-function' for the current major
mode, but bindings tables are shown with documentation strings
rather than command names. By default, this uses the first line
of each command's documentation string. A command can override
this by setting the 'notmuch-doc property of its command symbol.
A command that supports a prefix argument can explicitly document
its prefixed behavior by setting the 'notmuch-prefix-doc property
of its command symbol."
(interactive)
(let* ((mode major-mode)
(doc (substitute-command-keys (notmuch-substitute-command-keys (documentation mode t)))))
(with-current-buffer (generate-new-buffer "*notmuch-help*")
(insert doc)
(goto-char (point-min))
(set-buffer-modified-p nil)
(view-buffer (current-buffer) 'kill-buffer-if-not-modified))))
(require 'hl-line) (require 'hl-line)
(defun notmuch-hl-line-mode () (defun notmuch-hl-line-mode ()