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+From: Austin Clements <amdragon@MIT.EDU>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH v4 3/8] emacs: Update tags by rewriting the search result line\r
+ in place\r
+Date: Sat, 21 Jul 2012 13:37:07 -0400\r
+Message-Id: <1342892232-5659-4-git-send-email-amdragon@mit.edu>\r
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+\r
+Now that we keep the full thread result object, we can refresh a\r
+result after any changes by simply deleting and reconstructing the\r
+result line from scratch.\r
+\r
+A convenient side-effect of this wholesale replacement is that search\r
+now re-applies notmuch-search-line-faces when tags change.\r
+---\r
+ emacs/notmuch.el | 61 +++++++++++++++++++++++++++++++++---------------------\r
+ 1 file changed, 37 insertions(+), 24 deletions(-)\r
+\r
+diff --git a/emacs/notmuch.el b/emacs/notmuch.el\r
+index 82c148d..6995482 100644\r
+--- a/emacs/notmuch.el\r
++++ b/emacs/notmuch.el\r
+@@ -509,28 +509,12 @@ and will also appear in a buffer named \"*Notmuch errors*\"."\r
+ (error (buffer-substring beg end))\r
+ ))))))\r
+ \r
+-(defun notmuch-search-set-tags (tags)\r
+- (save-excursion\r
+- (end-of-line)\r
+- (re-search-backward "(")\r
+- (forward-char)\r
+- (let ((beg (point))\r
+- (inhibit-read-only t))\r
+- (re-search-forward ")")\r
+- (backward-char)\r
+- (let ((end (point)))\r
+- (delete-region beg end)\r
+- (insert (propertize (mapconcat 'identity tags " ")\r
+- 'face 'notmuch-tag-face))))))\r
+-\r
+-(defun notmuch-search-get-tags ()\r
+- (save-excursion\r
+- (end-of-line)\r
+- (re-search-backward "(")\r
+- (let ((beg (+ (point) 1)))\r
+- (re-search-forward ")")\r
+- (let ((end (- (point) 1)))\r
+- (split-string (buffer-substring-no-properties beg end))))))\r
++(defun notmuch-search-set-tags (tags &optional pos)\r
++ (let ((new-result (plist-put (notmuch-search-get-result pos) :tags tags)))\r
++ (notmuch-search-update-result new-result pos)))\r
++\r
++(defun notmuch-search-get-tags (&optional pos)\r
++ (plist-get (notmuch-search-get-result pos) :tags))\r
+ \r
+ (defun notmuch-search-get-tags-region (beg end)\r
+ (save-excursion\r
+@@ -583,6 +567,34 @@ This function advances the next thread when finished."\r
+ (notmuch-search-tag '("-inbox"))\r
+ (notmuch-search-next-thread))\r
+ \r
++(defun notmuch-search-update-result (result &optional pos)\r
++ "Replace the result object of the thread at POS (or point) by\r
++RESULT and redraw it.\r
++\r
++This will keep point in a reasonable location. However, if there\r
++are enclosing save-excursions and the saved point is in the\r
++result being updated, the point will be restored to the beginning\r
++of the result."\r
++ (let ((start (notmuch-search-result-beginning pos))\r
++ (end (notmuch-search-result-end pos))\r
++ (init-point (point))\r
++ (inhibit-read-only t))\r
++ ;; Delete the current thread\r
++ (delete-region start end)\r
++ ;; Insert the updated thread\r
++ (notmuch-search-show-result result start)\r
++ ;; If point was inside the old result, make an educated guess\r
++ ;; about where to place it now. Unfortunately, this won't work\r
++ ;; with save-excursion (or any other markers that would be nice to\r
++ ;; preserve, such as the window start), but there's nothing we can\r
++ ;; do about that without a way to retrieve markers in a region.\r
++ (when (and (>= init-point start) (<= init-point end))\r
++ (let* ((new-end (notmuch-search-result-end start))\r
++ (new-point (if (= init-point end)\r
++ new-end\r
++ (min init-point (- new-end 1)))))\r
++ (goto-char new-point)))))\r
++\r
+ (defun notmuch-search-process-sentinel (proc msg)\r
+ "Add a message to let user know when \"notmuch search\" exits"\r
+ (let ((buffer (process-buffer proc))\r
+@@ -745,10 +757,11 @@ non-authors is found, assume that all of the authors match."\r
+ (mapconcat 'identity (plist-get result :tags) " ")\r
+ 'font-lock-face 'notmuch-tag-face) ")")))))\r
+ \r
+-(defun notmuch-search-show-result (result)\r
++(defun notmuch-search-show-result (result &optional pos)\r
++ "Insert RESULT at POS or the end of the buffer if POS is null."\r
+ ;; Ignore excluded matches\r
+ (unless (= (plist-get result :matched) 0)\r
+- (let ((beg (point-max)))\r
++ (let ((beg (or pos (point-max))))\r
+ (save-excursion\r
+ (goto-char beg)\r
+ (dolist (spec notmuch-search-result-format)\r
+-- \r
+1.7.10\r
+\r
projects / notmuch-archives.git / commitdiff