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notmuch.el: Hide citations and signatures.

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The user can make these visible again by pressing 'c' or 's',
(though we'd like to move to direct manipulation instead soon).
This commit is contained in:
Carl Worth 2009-11-03 11:14:52 -08:00
parent 9c6a010674
commit 3998f3a61c
1 changed files with 59 additions and 2 deletions
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61
notmuch.el
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@ -33,11 +33,20 @@
(defvar notmuch-show-mode-map
(let ((map (make-sparse-keymap)))
; I don't actually want all of these toggle commands occupying
; keybindings. They steal valuable key-binding space, are hard
; to remember, and act globally rather than locally.
;
; Will be much preferable to switch to direct manipulation for
; toggling visibility of these components. Probably using
; overlays-at to query and manipulate the current overlay.
(define-key map "b" 'notmuch-show-toggle-body-read-visible)
(define-key map "c" 'notmuch-show-toggle-citations-visible)
(define-key map "h" 'notmuch-show-toggle-headers-visible)
(define-key map "n" 'notmuch-show-next-message)
(define-key map "p" 'notmuch-show-previous-message)
(define-key map "q" 'kill-this-buffer)
(define-key map "s" 'notmuch-show-toggle-signatures-visible)
(define-key map "x" 'kill-this-buffer)
map)
"Keymap for \"notmuch show\" buffers.")
@ -54,7 +63,6 @@
(defvar notmuch-show-part-begin-regexp " part{")
(defvar notmuch-show-part-end-regexp " part}")
(defvar notmuch-show-marker-regexp " \\(message\\|header\\|body\\|attachment\\|part\\)[{}].*$")
(defvar notmuch-show-headers-visible t)
(defun notmuch-show-next-message ()
"Advance point to the beginning of the next message in the buffer."
@ -76,6 +84,29 @@
(beginning-of-line)
(recenter 0))
(defun notmuch-show-markup-citations-region (beg end)
(goto-char beg)
(beginning-of-line)
(while (< (point) end)
(let ((beg-sub (point)))
(if (looking-at ">")
(progn
(while (looking-at ">")
(next-line))
(let ((overlay (make-overlay beg-sub (point))))
(overlay-put overlay 'invisible 'notmuch-show-citation)
(overlay-put overlay 'before-string
(concat "[" (number-to-string (count-lines beg-sub (point)))
" quoted lines.]")))))
(if (looking-at "--[ ]?$")
(let ((overlay (make-overlay beg-sub end)))
(overlay-put overlay 'invisible 'notmuch-show-signature)
(overlay-put overlay 'before-string
(concat "[" (number-to-string (count-lines beg-sub (point)))
"-line signature.]"))
(goto-char end)))
(next-line))))
(defun notmuch-show-markup-body (unread)
(re-search-forward notmuch-show-body-begin-regexp)
(next-line 1)
@ -85,7 +116,7 @@
(if (not unread)
(overlay-put (make-overlay beg (match-beginning 0))
'invisible 'notmuch-show-body-read))
; (notmuch-show-markup-citations-region beg point)
(notmuch-show-markup-citations-region beg (point))
))
(defun notmuch-show-markup-header ()
@ -122,6 +153,28 @@
(notmuch-show-markup-message)))
(notmuch-show-hide-markers))
(defun notmuch-show-toggle-citations-visible ()
"Toggle visibility of citations"
(interactive)
(if notmuch-show-citations-visible
(add-to-invisibility-spec 'notmuch-show-citation)
(remove-from-invisibility-spec 'notmuch-show-citation))
(set 'notmuch-show-citations-visible (not notmuch-show-citations-visible))
; Need to force the redisplay for some reason
(force-window-update)
(redisplay t))
(defun notmuch-show-toggle-signatures-visible ()
"Toggle visibility of signatures"
(interactive)
(if notmuch-show-signatures-visible
(add-to-invisibility-spec 'notmuch-show-signature)
(remove-from-invisibility-spec 'notmuch-show-signature))
(set 'notmuch-show-signatures-visible (not notmuch-show-signatures-visible))
; Need to force the redisplay for some reason
(force-window-update)
(redisplay t))
(defun notmuch-show-toggle-headers-visible ()
"Toggle visibility of header fields"
(interactive)
@ -153,6 +206,10 @@
(notmuch-show-toggle-headers-visible)
(set (make-local-variable 'notmuch-show-body-read-visible) t)
(notmuch-show-toggle-body-read-visible)
(set (make-local-variable 'notmuch-show-citations-visible) t)
(notmuch-show-toggle-citations-visible)
(set (make-local-variable 'notmuch-show-signatures-visible) t)
(notmuch-show-toggle-signatures-visible)
(add-to-invisibility-spec 'notmuch-show-marker)
(use-local-map notmuch-show-mode-map)
(setq major-mode 'notmuch-show-mode