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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
David Bremner
parent
54e7f1777d
commit
52faf1f993
2 changed files with 87 additions and 87 deletions
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@ -215,6 +215,93 @@ depending on the value of `notmuch-poll-script'."
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(interactive)
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(kill-buffer (current-buffer)))
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(defun notmuch-documentation-first-line (symbol)
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"Return the first line of the documentation string for SYMBOL."
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(let ((doc (documentation symbol)))
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(if doc
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(with-temp-buffer
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(insert (documentation symbol t))
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(goto-char (point-min))
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(let ((beg (point)))
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(end-of-line)
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(buffer-substring beg (point))))
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"")))
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(defun notmuch-prefix-key-description (key)
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"Given a prefix key code, return a human-readable string representation.
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This is basically just `format-kbd-macro' but we also convert ESC to M-."
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(let ((desc (format-kbd-macro (vector key))))
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(if (string= desc "ESC")
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"M-"
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(concat desc " "))))
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(defun notmuch-describe-keymap (keymap ua-keys &optional prefix tail)
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"Return a list of strings, each describing one binding in KEYMAP.
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Each string gives a human-readable description of the key and a
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one-line description of the bound function. See `notmuch-help'
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for an overview of how this documentation is extracted.
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UA-KEYS should be a key sequence bound to `universal-argument'.
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It will be used to describe bindings of commands that support a
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prefix argument. PREFIX and TAIL are used internally."
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(map-keymap
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(lambda (key binding)
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(cond ((mouse-event-p key) nil)
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((keymapp binding)
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(setq tail
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(notmuch-describe-keymap
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binding ua-keys (notmuch-prefix-key-description key) tail)))
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(t
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(when (and ua-keys (symbolp binding)
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(get binding 'notmuch-prefix-doc))
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;; Documentation for prefixed command
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(let ((ua-desc (key-description ua-keys)))
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(push (concat ua-desc " " prefix (format-kbd-macro (vector key))
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"\t" (get binding 'notmuch-prefix-doc))
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tail)))
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;; Documentation for command
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(push (concat prefix (format-kbd-macro (vector key)) "\t"
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(or (and (symbolp binding) (get binding 'notmuch-doc))
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(notmuch-documentation-first-line binding)))
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tail))))
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keymap)
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tail)
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(defun notmuch-substitute-command-keys (doc)
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"Like `substitute-command-keys' but with documentation, not function names."
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(let ((beg 0))
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(while (string-match "\\\\{\\([^}[:space:]]*\\)}" doc beg)
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(let* ((keymap-name (substring doc (match-beginning 1) (match-end 1)))
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(keymap (symbol-value (intern keymap-name)))
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(ua-keys (where-is-internal 'universal-argument keymap t))
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(desc-list (notmuch-describe-keymap keymap ua-keys))
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(desc (mapconcat #'identity desc-list "\n")))
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(setq doc (replace-match desc 1 1 doc)))
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(setq beg (match-end 0)))
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doc))
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(defun notmuch-help ()
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"Display help for the current notmuch mode.
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This is similar to `describe-function' for the current major
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mode, but bindings tables are shown with documentation strings
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rather than command names. By default, this uses the first line
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of each command's documentation string. A command can override
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this by setting the 'notmuch-doc property of its command symbol.
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A command that supports a prefix argument can explicitly document
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its prefixed behavior by setting the 'notmuch-prefix-doc property
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of its command symbol."
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(interactive)
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(let* ((mode major-mode)
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(doc (substitute-command-keys (notmuch-substitute-command-keys (documentation mode t)))))
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(with-current-buffer (generate-new-buffer "*notmuch-help*")
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(insert doc)
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(goto-char (point-min))
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(set-buffer-modified-p nil)
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(view-buffer (current-buffer) 'kill-buffer-if-not-modified))))
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(defvar notmuch-buffer-refresh-function nil
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"Function to call to refresh the current buffer.")
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(make-variable-buffer-local 'notmuch-buffer-refresh-function)
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@ -119,93 +119,6 @@ To enter a line break in customize, press \\[quoted-insert] C-j."
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(mm-save-part p))))
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mm-handle))
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(defun notmuch-documentation-first-line (symbol)
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"Return the first line of the documentation string for SYMBOL."
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(let ((doc (documentation symbol)))
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(if doc
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(with-temp-buffer
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(insert (documentation symbol t))
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(goto-char (point-min))
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(let ((beg (point)))
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(end-of-line)
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(buffer-substring beg (point))))
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"")))
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(defun notmuch-prefix-key-description (key)
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"Given a prefix key code, return a human-readable string representation.
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This is basically just `format-kbd-macro' but we also convert ESC to M-."
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(let ((desc (format-kbd-macro (vector key))))
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(if (string= desc "ESC")
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"M-"
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(concat desc " "))))
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(defun notmuch-describe-keymap (keymap ua-keys &optional prefix tail)
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"Return a list of strings, each describing one binding in KEYMAP.
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Each string gives a human-readable description of the key and a
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one-line description of the bound function. See `notmuch-help'
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for an overview of how this documentation is extracted.
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UA-KEYS should be a key sequence bound to `universal-argument'.
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It will be used to describe bindings of commands that support a
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prefix argument. PREFIX and TAIL are used internally."
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(map-keymap
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(lambda (key binding)
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(cond ((mouse-event-p key) nil)
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((keymapp binding)
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(setq tail
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(notmuch-describe-keymap
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binding ua-keys (notmuch-prefix-key-description key) tail)))
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(t
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(when (and ua-keys (symbolp binding)
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(get binding 'notmuch-prefix-doc))
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;; Documentation for prefixed command
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(let ((ua-desc (key-description ua-keys)))
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(push (concat ua-desc " " prefix (format-kbd-macro (vector key))
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"\t" (get binding 'notmuch-prefix-doc))
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tail)))
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;; Documentation for command
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(push (concat prefix (format-kbd-macro (vector key)) "\t"
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(or (and (symbolp binding) (get binding 'notmuch-doc))
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(notmuch-documentation-first-line binding)))
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tail))))
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keymap)
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tail)
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(defun notmuch-substitute-command-keys (doc)
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"Like `substitute-command-keys' but with documentation, not function names."
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(let ((beg 0))
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(while (string-match "\\\\{\\([^}[:space:]]*\\)}" doc beg)
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(let* ((keymap-name (substring doc (match-beginning 1) (match-end 1)))
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(keymap (symbol-value (intern keymap-name)))
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(ua-keys (where-is-internal 'universal-argument keymap t))
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(desc-list (notmuch-describe-keymap keymap ua-keys))
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(desc (mapconcat #'identity desc-list "\n")))
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(setq doc (replace-match desc 1 1 doc)))
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(setq beg (match-end 0)))
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doc))
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(defun notmuch-help ()
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"Display help for the current notmuch mode.
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This is similar to `describe-function' for the current major
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mode, but bindings tables are shown with documentation strings
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rather than command names. By default, this uses the first line
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of each command's documentation string. A command can override
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this by setting the 'notmuch-doc property of its command symbol.
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A command that supports a prefix argument can explicitly document
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its prefixed behavior by setting the 'notmuch-prefix-doc property
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of its command symbol."
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(interactive)
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(let* ((mode major-mode)
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(doc (substitute-command-keys (notmuch-substitute-command-keys (documentation mode t)))))
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(with-current-buffer (generate-new-buffer "*notmuch-help*")
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(insert doc)
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(goto-char (point-min))
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(set-buffer-modified-p nil)
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(view-buffer (current-buffer) 'kill-buffer-if-not-modified))))
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(require 'hl-line)
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(defun notmuch-hl-line-mode ()
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