On Wed, 8 Feb 2012 00:10:16 -0500, Austin Clements <amdragon@MIT.EDU> wrote: > Seems reasonable. I'm definitely in favor of erasing buffers instead > of killing and recreating them. Two questions below. Thanks for the review. > Quoth David Edmondson on Feb 06 at 9:21 am: > > Re-work the existing crypto switch toggle to be based on a persistant > > buffer-local variable. > > > > To allow this, modify `notmuch-show-refresh-view' to erase and re-draw > > in the current buffer rather than killing the current buffer and > > creating a new one. (This will also allow more per-buffer behaviour in > > future patches.) > > > > Add a binding ('$') to toggle crypto processing of the current buffer > > and remove the prefix argument approach that achieves a similar > > result. > > --- > > emacs/notmuch-show.el | 126 ++++++++++++++++++++++++------------------------ > > emacs/notmuch.el | 7 +-- > > 2 files changed, 66 insertions(+), 67 deletions(-) > > > > diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el > > index 7469e2e..4b29dbd 100644 > > --- a/emacs/notmuch-show.el > > +++ b/emacs/notmuch-show.el > > @@ -125,6 +125,22 @@ indentation." > > (const :tag "View interactively" > > notmuch-show-interactively-view-part))) > > > > +(defvar notmuch-show-thread-id nil) > > +(make-variable-buffer-local 'notmuch-show-thread-id) > > +(put 'notmuch-show-thread-id 'permanent-local t) > > + > > +(defvar notmuch-show-parent-buffer nil) > > +(make-variable-buffer-local 'notmuch-show-parent-buffer) > > +(put 'notmuch-show-parent-buffer 'permanent-local t) > > + > > +(defvar notmuch-show-query-context nil) > > +(make-variable-buffer-local 'notmuch-show-query-context) > > +(put 'notmuch-show-query-context 'permanent-local t) > > + > > +(defvar notmuch-show-process-crypto nil) > > +(make-variable-buffer-local 'notmuch-show-process-crypto) > > +(put 'notmuch-show-process-crypto 'permanent-local t) > > + > > Do these need to be permanent-local given that refreshing is now done > by erasing the buffer instead of killing it? Yes. `notmuch-show-worker' (which does the refreshing) still calls `notmuch-show-mode', which still calls `kill-all-local-variables'. Tidying that is for another patch. > > (defmacro with-current-notmuch-show-message (&rest body) > > "Evaluate body with current buffer set to the text of current message" > > `(save-excursion > > @@ -421,14 +437,11 @@ message at DEPTH in the current thread." > > > > (defmacro notmuch-with-temp-part-buffer (message-id nth &rest body) > > (declare (indent 2)) > > - (let ((process-crypto (make-symbol "process-crypto"))) > > - `(let ((,process-crypto notmuch-show-process-crypto)) > > - (with-temp-buffer > > - (setq notmuch-show-process-crypto ,process-crypto) > > - ;; Always acquires the part via `notmuch part', even if it is > > - ;; available in the JSON output. > > - (insert (notmuch-show-get-bodypart-internal ,message-id ,nth)) > > - ,@body)))) > > + `(with-temp-buffer > > + ;; Always acquires the part via `notmuch part', even if it is > > + ;; available in the JSON output. > > + (insert (notmuch-show-get-bodypart-internal ,message-id ,nth)) > > + ,@body)) > > Why is the piping of notmuch-show-process-crypto no longer necessary? > It's still buffer-local, and hence will be nil in the temp buffer. It's a bug. v8 after breakfast. > > > > (defun notmuch-show-save-part (message-id nth &optional filename content-type) > > (notmuch-with-temp-part-buffer message-id nth > > @@ -610,7 +623,7 @@ current buffer, if possible." > > (sigstatus (car (plist-get part :sigstatus)))) > > (notmuch-crypto-insert-sigstatus-button sigstatus from)) > > ;; if we're not adding sigstatus, tell the user how they can get it > > - (button-put button 'help-echo "Set notmuch-crypto-process-mime to process cryptographic mime parts."))) > > + (button-put button 'help-echo "Set notmuch-crypto-process-mime to process cryptographic MIME parts."))) > > > > (let ((inner-parts (plist-get part :content)) > > (start (point))) > > @@ -636,7 +649,7 @@ current buffer, if possible." > > (sigstatus (car (plist-get part :sigstatus)))) > > (notmuch-crypto-insert-sigstatus-button sigstatus from)))) > > ;; if we're not adding encstatus, tell the user how they can get it > > - (button-put button 'help-echo "Set notmuch-crypto-process-mime to process cryptographic mime parts."))) > > + (button-put button 'help-echo "Set notmuch-crypto-process-mime to process cryptographic MIME parts."))) > > > > (let ((inner-parts (plist-get part :content)) > > (start (point))) > > @@ -763,8 +776,6 @@ current buffer, if possible." > > > > ;; Helper for parts which are generally not included in the default > > ;; JSON output. > > -;; Uses the buffer-local variable notmuch-show-process-crypto to > > -;; determine if parts should be decrypted first. > > (defun notmuch-show-get-bodypart-internal (message-id part-number) > > (let ((args '("show" "--format=raw")) > > (part-arg (format "--part=%s" part-number))) > > @@ -918,6 +929,15 @@ current buffer, if possible." > > ;; criteria. > > (notmuch-show-message-visible msg (plist-get msg :match)))) > > > > +(defun notmuch-show-toggle-process-crypto () > > + "Toggle the processing of cryptographic MIME parts." > > + (interactive) > > + (setq notmuch-show-process-crypto (not notmuch-show-process-crypto)) > > + (message (if notmuch-show-process-crypto > > + "Processing cryptographic MIME parts." > > + "Not processing cryptographic MIME parts.")) > > + (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)) > > @@ -933,15 +953,6 @@ current buffer, if possible." > > "Insert the forest of threads FOREST." > > (mapc (lambda (thread) (notmuch-show-insert-thread thread 0)) forest)) > > > > -(defvar notmuch-show-thread-id nil) > > -(make-variable-buffer-local 'notmuch-show-thread-id) > > -(defvar notmuch-show-parent-buffer nil) > > -(make-variable-buffer-local 'notmuch-show-parent-buffer) > > -(defvar notmuch-show-query-context nil) > > -(make-variable-buffer-local 'notmuch-show-query-context) > > -(defvar notmuch-show-buffer-name nil) > > -(make-variable-buffer-local 'notmuch-show-buffer-name) > > - > > (defun notmuch-show-buttonise-links (start end) > > "Buttonise URLs and mail addresses between START and END. > > > > @@ -961,7 +972,7 @@ a corresponding notmuch search." > > 'face goto-address-mail-face)))) > > > > ;;;###autoload > > -(defun notmuch-show (thread-id &optional parent-buffer query-context buffer-name crypto-switch) > > +(defun notmuch-show (thread-id &optional parent-buffer query-context buffer-name) > > "Run \"notmuch show\" with the given thread ID and display results. > > > > The optional PARENT-BUFFER is the notmuch-search buffer from > > @@ -976,46 +987,41 @@ non-nil. > > The optional BUFFER-NAME provides the name of the buffer in > > which the message thread is shown. If it is nil (which occurs > > when the command is called interactively) the argument to the > > -function is used. > > - > > -The optional CRYPTO-SWITCH toggles the value of the > > -notmuch-crypto-process-mime customization variable for this show > > -buffer." > > +function is used." > > (interactive "sNotmuch show: ") > > - (let* ((process-crypto (if crypto-switch > > - (not notmuch-crypto-process-mime) > > - notmuch-crypto-process-mime))) > > - (notmuch-show-worker thread-id parent-buffer query-context buffer-name process-crypto))) > > - > > -(defun notmuch-show-worker (thread-id parent-buffer query-context buffer-name process-crypto) > > - (let* ((buffer-name (generate-new-buffer-name > > - (or buffer-name > > - (concat "*notmuch-" thread-id "*")))) > > - (buffer (get-buffer-create buffer-name)) > > - (inhibit-read-only t)) > > - (switch-to-buffer buffer) > > + (let ((buffer-name (generate-new-buffer-name > > + (or buffer-name > > + (concat "*notmuch-" thread-id "*"))))) > > + (switch-to-buffer (get-buffer-create buffer-name)) > > + ;; Set the default value for `notmuch-show-process-crypto' in this > > + ;; buffer. > > + (setq notmuch-show-process-crypto notmuch-crypto-process-mime) > > + > > + (setq notmuch-show-thread-id thread-id > > + notmuch-show-parent-buffer parent-buffer > > + notmuch-show-query-context query-context) > > + (notmuch-show-worker))) > > + > > +(defun notmuch-show-worker () > > + (let ((inhibit-read-only t)) > > + > > (notmuch-show-mode) > > ;; Don't track undo information for this buffer > > (set 'buffer-undo-list t) > > > > - (setq notmuch-show-thread-id thread-id) > > - (setq notmuch-show-parent-buffer parent-buffer) > > - (setq notmuch-show-query-context query-context) > > - (setq notmuch-show-buffer-name buffer-name) > > - (setq notmuch-show-process-crypto process-crypto) > > - > > (erase-buffer) > > (goto-char (point-min)) > > (save-excursion > > - (let* ((basic-args (list thread-id)) > > - (args (if query-context > > - (append (list "\'") basic-args (list "and (" query-context ")\'")) > > + (let* ((basic-args (list notmuch-show-thread-id)) > > + (args (if notmuch-show-query-context > > + (append (list "\'") basic-args > > + (list "and (" notmuch-show-query-context ")\'")) > > (append (list "\'") basic-args (list "\'"))))) > > (notmuch-show-insert-forest (notmuch-query-get-threads args)) > > ;; If the query context reduced the results to nothing, run > > ;; the basic query. > > (when (and (eq (buffer-size) 0) > > - query-context) > > + notmuch-show-query-context) > > (notmuch-show-insert-forest > > (notmuch-query-get-threads basic-args)))) > > > > @@ -1032,21 +1038,14 @@ buffer." > > > > (notmuch-show-mark-read))) > > > > -(defun notmuch-show-refresh-view (&optional crypto-switch) > > - "Refresh the current view (with crypto switch if prefix given). > > +(defun notmuch-show-refresh-view () > > + "Refresh the current view. > > > > -Kills the current buffer and reruns notmuch show with the same > > -thread id. If a prefix is given, crypto processing is toggled." > > - (interactive "P") > > - (let ((thread-id notmuch-show-thread-id) > > - (parent-buffer notmuch-show-parent-buffer) > > - (query-context notmuch-show-query-context) > > - (buffer-name notmuch-show-buffer-name) > > - (process-crypto (if crypto-switch > > - (not notmuch-show-process-crypto) > > - notmuch-show-process-crypto))) > > - (notmuch-kill-this-buffer) > > - (notmuch-show-worker thread-id parent-buffer query-context buffer-name process-crypto))) > > +Refreshes the current view, observing changes in cryptographic preferences." > > + (interactive) > > + (let ((inhibit-read-only t)) > > + (erase-buffer)) > > + (notmuch-show-worker)) > > > > (defvar notmuch-show-stash-map > > (let ((map (make-sparse-keymap))) > > @@ -1097,6 +1096,7 @@ thread id. If a prefix is given, crypto processing is toggled." > > (define-key map (kbd "M-RET") 'notmuch-show-open-or-close-all) > > (define-key map (kbd "RET") 'notmuch-show-toggle-message) > > (define-key map "#" 'notmuch-show-print-message) > > + (define-key map "$" 'notmuch-show-toggle-process-crypto) > > map) > > "Keymap for \"notmuch show\" buffers.") > > (fset 'notmuch-show-mode-map notmuch-show-mode-map) > > diff --git a/emacs/notmuch.el b/emacs/notmuch.el > > index cd04ffd..ff0db99 100644 > > --- a/emacs/notmuch.el > > +++ b/emacs/notmuch.el > > @@ -463,9 +463,9 @@ Complete list of currently available key bindings: > > "Return a list of authors for the current region" > > (notmuch-search-properties-in-region 'notmuch-search-subject beg end)) > > > > -(defun notmuch-search-show-thread (&optional crypto-switch) > > +(defun notmuch-search-show-thread () > > "Display the currently selected thread." > > - (interactive "P") > > + (interactive) > > (let ((thread-id (notmuch-search-find-thread-id)) > > (subject (notmuch-prettify-subject (notmuch-search-find-subject)))) > > (if (> (length thread-id) 0) > > @@ -473,8 +473,7 @@ Complete list of currently available key bindings: > > (current-buffer) > > notmuch-search-query-string > > ;; Name the buffer based on the subject. > > - (concat "*" (truncate-string-to-width subject 30 nil nil t) "*") > > - crypto-switch) > > + (concat "*" (truncate-string-to-width subject 30 nil nil t) "*")) > > (message "End of search results.")))) > > > > (defun notmuch-search-reply-to-thread (&optional prompt-for-sender)