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Make bodies locally toggleable

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Having actually implemented this, I realized that my
initial approach of providing a function to configure
a button was wrong. Instead I've replaced that with
button types. This then makes it possible to provide
the fully expanded view when all threads in a message
are unread.

It also has the potential to allow global-expansion functions
if that is desireable
This commit is contained in:
Alexander Botero-Lowry 2009-11-23 23:39:57 -08:00 committed by Alexander Botero-Lowry
parent 9eb90688b7
commit daeda152b8
1 changed files with 47 additions and 42 deletions
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87
notmuch.el
View file

@ -497,12 +497,15 @@ which this thread was originally shown."
(force-window-update)
(redisplay t))
(defun notmuch-configure-invisibility-button (btn invis-spec help-msg)
(button-put btn 'invisibility-spec invis-spec)
(button-put btn 'action 'notmuch-toggle-invisible-action)
(button-put btn 'follow-link t)
(button-put btn 'help-echo (concat "mouse-1, RET: " help-msg))
)
(define-button-type 'notmuch-button-invisibility-toggle-type 'action 'notmuch-toggle-invisible-action 'follow-link t)
(define-button-type 'notmuch-button-citation-toggle-type 'help-echo "mouse-1, RET: Show citation"
:supertype 'notmuch-button-invisibility-toggle-type)
(define-button-type 'notmuch-button-signature-toggle-type 'help-echo "mouse-1, RET: Show signature"
:supertype 'notmuch-button-invisibility-toggle-type)
(define-button-type 'notmuch-button-headers-toggle-type 'help-echo "mouse-1, RET: Show headers"
:supertype 'notmuch-button-invisibility-toggle-type)
(define-button-type 'notmuch-button-body-toggle-type 'help-echo "mouse-1, RET: Show message"
:supertype 'notmuch-button-invisibility-toggle-type)
(defun notmuch-show-markup-citations-region (beg end depth)
(goto-char beg)
@ -525,7 +528,9 @@ which this thread was originally shown."
"-line citation.]")))
(goto-char (- beg-sub 1))
(insert (concat "\n" indent))
(notmuch-configure-invisibility-button (insert-button cite-button-text) invis-spec "Show citation")
(insert-button cite-button-text
'invisibility-spec invis-spec
:type 'notmuch-button-citation-toggle-type)
(insert "\n")
(goto-char (+ (length cite-button-text) p))
))))
@ -541,9 +546,11 @@ which this thread was originally shown."
(goto-char (- beg-sub 1))
(insert (concat "\n" indent))
(notmuch-configure-invisibility-button
(insert-button (concat "[" (number-to-string sig-lines)
"-line signature.]")) invis-spec "Show signature")
(let ((sig-button-text (concat "[" (number-to-string sig-lines)
"-line signature.]")))
(insert-button sig-button-text 'invisibility-spec invis-spec
:type 'notmuch-button-signature-toggle-type)
)
(insert "\n")
(goto-char end))))))
(forward-line))))
@ -572,16 +579,19 @@ which this thread was originally shown."
(while (< (point) end)
(notmuch-show-markup-part beg end depth))))
(defun notmuch-show-markup-body (depth)
(defun notmuch-show-markup-body (depth btn)
(re-search-forward notmuch-show-body-begin-regexp)
(forward-line)
(let ((beg (point-marker)))
(re-search-forward notmuch-show-body-end-regexp)
(let ((end (copy-marker (match-beginning 0))))
(notmuch-show-markup-parts-region beg end depth)
(if (not (notmuch-show-message-unread-p))
(let ((invis-spec (make-symbol "notmuch-show-body-read")))
(overlay-put (make-overlay beg end)
'invisible 'notmuch-show-body-read))
'invisible invis-spec)
(button-put btn 'invisibility-spec invis-spec)
(if (not (notmuch-show-message-unread-p))
(add-to-invisibility-spec invis-spec)))
(set-marker beg nil)
(set-marker end nil)
)))
@ -589,10 +599,12 @@ which this thread was originally shown."
(defun notmuch-show-markup-header (depth)
(re-search-forward notmuch-show-header-begin-regexp)
(forward-line)
(let ((beg (point-marker)))
(let ((beg (point-marker))
(btn nil))
(end-of-line)
; Inverse video for subject
(overlay-put (make-overlay beg (point)) 'face '(:inverse-video t))
(setq btn (make-button beg (point) :type 'notmuch-button-body-toggle-type))
(forward-line 1)
(end-of-line)
(let ((beg-hidden (point-marker)))
@ -614,23 +626,25 @@ which this thread was originally shown."
'invisible invis-spec)
(goto-char beg)
(forward-line)
(notmuch-configure-invisibility-button
(make-button (line-beginning-position) (line-end-position))
(cons invis-spec t) "Show headers"))
(make-button (line-beginning-position) (line-end-position)
'invisibility-spec (cons invis-spec t)
:type 'notmuch-button-headers-toggle-type))
(goto-char end)
(insert "\n")
(set-marker beg nil)
(set-marker beg-hidden nil)
(set-marker end nil)
))))
))
btn))
(defun notmuch-show-markup-message ()
(if (re-search-forward notmuch-show-message-begin-regexp nil t)
(progn
(re-search-forward notmuch-show-depth-regexp)
(let ((depth (string-to-number (buffer-substring (match-beginning 1) (match-end 1)))))
(notmuch-show-markup-header depth)
(notmuch-show-markup-body depth)))
(let ((depth (string-to-number (buffer-substring (match-beginning 1) (match-end 1))))
(btn nil))
(setq btn (notmuch-show-markup-header depth))
(notmuch-show-markup-body depth btn)))
(goto-char (point-max))))
(defun notmuch-show-hide-markers ()
@ -650,17 +664,6 @@ which this thread was originally shown."
(notmuch-show-markup-message)))
(notmuch-show-hide-markers))
(defun notmuch-show-toggle-body-read-visible ()
"Toggle visibility of message bodies of read messages"
(interactive)
(if notmuch-show-body-read-visible
(add-to-invisibility-spec 'notmuch-show-body-read)
(remove-from-invisibility-spec 'notmuch-show-body-read))
(set 'notmuch-show-body-read-visible (not notmuch-show-body-read-visible))
; Need to force the redisplay for some reason
(force-window-update)
(redisplay t))
;;;###autoload
(defun notmuch-show-mode ()
"Major mode for viewing a thread with notmuch.
@ -689,14 +692,6 @@ view, (remove the \"inbox\" tag from each), with
\\{notmuch-show-mode-map}"
(interactive)
(kill-all-local-variables)
(set (make-local-variable 'notmuch-show-headers-visible) t)
(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
@ -765,7 +760,16 @@ thread from that buffer can be show when done with this one)."
(if (not (notmuch-show-message-unread-p))
(progn
(goto-char (point-min))
(notmuch-show-toggle-body-read-visible)))))
(let ((btn (forward-button 1)))
(while btn
(if (button-has-type-p btn 'notmuch-button-body-toggle-type)
(push-button))
(condition-case err
(setq btn (forward-button 1))
(error (setq btn nil)))
))
(beginning-of-buffer)
))))
)))
(defvar notmuch-search-authors-width 40
@ -803,6 +807,7 @@ thread from that buffer can be show when done with this one)."
(defvar notmuch-search-query-string)
(defvar notmuch-search-oldest-first)
(defun notmuch-search-scroll-up ()
"Scroll up, moving point to last message in thread if at end."
(interactive)