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+ Sat, 14 Dec 2013 15:44:46 -0800 (PST)\r
+From: Mark Walters <markwalters1009@gmail.com>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH 1/5] emacs: show: make `seen' mean user viewed whole message\r
+Date: Sat, 14 Dec 2013 23:44:32 +0000\r
+Message-Id: <1387064676-15508-2-git-send-email-markwalters1009@gmail.com>\r
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+\r
+This changes `seen' to mean that the user viewed `enough' of the whole\r
+message: more precisely, a message is deemed seen if the top of the\r
+message and either the bottom of the message or a point at least some\r
+customisable number of lines into the message have each been visible\r
+in the buffer at some point.\r
+\r
+This is placed into the post-command-hook infrastructure introudced in\r
+the previous patch.\r
+---\r
+ emacs/notmuch-show.el | 73 +++++++++++++++++++++++++++++++++++++++++++++++-\r
+ 1 files changed, 71 insertions(+), 2 deletions(-)\r
+\r
+diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el\r
+index 51366e9..4850bd0 100644\r
+--- a/emacs/notmuch-show.el\r
++++ b/emacs/notmuch-show.el\r
+@@ -211,6 +211,19 @@ For example, if you wanted to remove an \"unread\" tag and add a\r
+ :type '(repeat string)\r
+ :group 'notmuch-show)\r
+ \r
++(defcustom notmuch-show-seen-lines-needed 0.75\r
++ "Control which messages get marked seen.\r
++\r
++A message is marked seen if both the top of the message and a\r
++point far \"enough\" down in the message have each been visible\r
++in the buffer at some point. This parameter controls the\r
++definition of enough. Seeing the bottom of message is always\r
++deemed enough, but additionally...it an integer n then at least n\r
++lines of message must be visible in the window. If it is a float\r
++x then at least that proportion of the window must contain the\r
++message."\r
++ :type 'number\r
++ :group 'notmuch-show)\r
+ \r
+ (defmacro with-current-notmuch-show-message (&rest body)\r
+ "Evaluate body with current buffer set to the text of current message"\r
+@@ -1541,9 +1554,65 @@ marked as unread, i.e. the tag changes in\r
+ (apply 'notmuch-show-tag-message\r
+ (notmuch-tag-change-list notmuch-show-mark-read-tags unread))))\r
+ \r
++(defun notmuch-show-update-seen (top-or-bottom)\r
++ "Update seen status of current message\r
++\r
++Mark that we have seen the TOP-OR-BOTTOM of current message."\r
++ (let* ((current (notmuch-show-get-prop :seen-local))\r
++ new)\r
++ (unless (eq current 'both)\r
++ (if (eq top-or-bottom 'top)\r
++ (if (eq current 'bottom)\r
++ (setq new 'both)\r
++ (setq new 'top))\r
++ (if (eq current 'top)\r
++ (setq new 'both)\r
++ (setq new 'bottom)))\r
++ (unless (eq current new)\r
++ (notmuch-show-set-prop :seen-local new))\r
++ (when (eq new 'both)\r
++ (notmuch-show-mark-read)))))\r
++\r
++(defun notmuch-show-do-message-seen (start end)\r
++ "Update seen status for the current message.\r
++\r
++A message is seen if both the top and enough of the rest of the\r
++message have been visible in the buffer. Enough means either the\r
++bottom of the message or a point in the message more than\r
++LINES-NEEDED lines into the message. LINES-NEEDED is\r
++`notmuch-show-seen-lines-needed` if that is an integer and that\r
++times the current window height if it is a float."\r
++ (let* ((lines-needed (if (integerp notmuch-show-seen-lines-needed)\r
++ notmuch-show-seen-lines-needed\r
++ (truncate (* notmuch-show-seen-lines-needed (window-body-height)))))\r
++ (top (notmuch-show-message-top))\r
++ (bottom (notmuch-show-message-bottom)))\r
++ (when (notmuch-show-message-visible-p)\r
++ (when (>= top start)\r
++ (notmuch-show-update-seen 'top))\r
++ (when (or (<= bottom end)\r
++ (> (count-screen-lines top end) lines-needed))\r
++ (notmuch-show-update-seen 'bottom)))))\r
++\r
+ (defun notmuch-show-do-seen (start end)\r
+- "Update seen status for all messages between start and end."\r
+- )\r
++ "Update seen status for all messages between start and end.\r
++\r
++A message is seen if both the top and enough of the rest of the\r
++message have been visible in the buffer. See\r
++`notmuch-show-do-message-seen` for the definition of enough. Seen\r
++is a buffer local property. The unread status is removed from all\r
++seen messages when the user quits the show buffer."\r
++ (save-excursion\r
++ (goto-char start)\r
++ (while (and (or (notmuch-show-do-message-seen start end) t)\r
++ (< (notmuch-show-message-bottom) end)\r
++ (notmuch-show-goto-message-next)))\r
++\r
++ ;; This is a work around because emacs gives weird answers for\r
++ ;; window-end if the buffer ends with invisible text.\r
++ (when (and (pos-visible-in-window-p (point-max))\r
++ (notmuch-show-message-visible-p))\r
++ (notmuch-show-update-seen 'bottom))))\r
+ \r
+ (defun notmuch-show-command-hook ()\r
+ (when (eq major-mode 'notmuch-show-mode)\r
+-- \r
+1.7.9.1\r
+\r
projects / notmuch-archives.git / commitdiff