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emacs: Allow the indentation of content to be toggled.

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Very deeply indented content is sometimes difficult to
read (particular for something like patches). Allow the indentation of
the content to be toggled with '<'.

Indentation of the header lines is not affected, so it remains
possible to see the structure of the thread.
This commit is contained in:
David Edmondson 2012-02-08 08:02:14 +00:00 committed by David Bremner
parent 44a544ede0
commit c205e8ffae
1 changed files with 22 additions and 4 deletions
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26
emacs/notmuch-show.el
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@ -146,6 +146,10 @@ indentation."
(make-variable-buffer-local 'notmuch-show-elide-non-matching-messages)
(put 'notmuch-show-elide-non-matching-messages 'permanent-local t)
(defvar notmuch-show-indent-content t)
(make-variable-buffer-local 'notmuch-show-indent-content)
(put 'notmuch-show-indent-content 'permanent-local t)
(defmacro with-current-notmuch-show-message (&rest body)
"Evaluate body with current buffer set to the text of current message"
`(save-excursion
@ -256,10 +260,12 @@ operation on the contents of the current buffer."
(all (buffer-substring (notmuch-show-message-top)
(notmuch-show-message-bottom)))
(props (notmuch-show-get-message-properties)))
(props (notmuch-show-get-message-properties))
(indenting notmuch-show-indent-content))
(with-temp-buffer
(insert all)
(indent-rigidly (point-min) (point-max) (- depth))
(if indenting
(indent-rigidly (point-min) (point-max) (- depth)))
;; Remove the original header.
(goto-char (point-min))
(re-search-forward "^$" (point-max) nil)
@ -900,7 +906,8 @@ current buffer, if possible."
(setq body-start (point-marker))
;; A blank line between the headers and the body.
(insert "\n")
(notmuch-show-insert-body msg (plist-get msg :body) depth)
(notmuch-show-insert-body msg (plist-get msg :body)
(if notmuch-show-indent-content depth 0))
;; Ensure that the body ends with a newline.
(unless (bolp)
(insert "\n"))
@ -908,7 +915,8 @@ current buffer, if possible."
(setq content-end (point-marker))
;; Indent according to the depth in the thread.
(indent-rigidly content-start content-end (* notmuch-show-indent-messages-width depth))
(if notmuch-show-indent-content
(indent-rigidly content-start content-end (* notmuch-show-indent-messages-width depth)))
(setq message-end (point-max-marker))
@ -955,6 +963,15 @@ current buffer, if possible."
"Showing all messages."))
(notmuch-show-refresh-view))
(defun notmuch-show-toggle-thread-indentation ()
"Toggle the indentation of threads."
(interactive)
(setq notmuch-show-indent-content (not notmuch-show-indent-content))
(message (if notmuch-show-indent-content
"Content is indented."
"Content is not indented."))
(notmuch-show-refresh-view))
(defun notmuch-show-insert-tree (tree depth)
"Insert the message tree TREE at depth DEPTH in the current thread."
(let ((msg (car tree))
@ -1119,6 +1136,7 @@ Refreshes the current view, observing changes in cryptographic preferences."
(define-key map "#" 'notmuch-show-print-message)
(define-key map "!" 'notmuch-show-toggle-elide-non-matching)
(define-key map "$" 'notmuch-show-toggle-process-crypto)
(define-key map "<" 'notmuch-show-toggle-thread-indentation)
map)
"Keymap for \"notmuch show\" buffers.")
(fset 'notmuch-show-mode-map notmuch-show-mode-map)