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emacs: Fix `notmuch-show-rewind' in the presence of invisible text

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When determining whether or not to re-align the head of the current
message with the top of the window, use `count-screen-lines' rather
than `count-lines' to allow for invisible text in the preceding
message. When comparing that number of lines against
`next-screen-context-lines', realign if the number of lines of the
previous message visible is 'smaller than or equal to' rather than
just 'smaller than' to improve usability.
This commit is contained in:
David Edmondson 2010-04-26 15:53:52 +01:00 committed by Carl Worth
parent e247ae47c1
commit 159b05fcaa
1 changed files with 2 additions and 2 deletions
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emacs/notmuch-show.el
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@ -833,8 +833,8 @@ any effects from previous calls to
;; If a small number of lines from the previous message are ;; If a small number of lines from the previous message are
;; visible, realign so that the top of the current message is at ;; visible, realign so that the top of the current message is at
;; the top of the screen. ;; the top of the screen.
(if (< (count-lines (window-start) (notmuch-show-message-top)) (if (<= (count-screen-lines (window-start) start-of-message)
next-screen-context-lines) next-screen-context-lines)
(progn (progn
(goto-char (notmuch-show-message-top)) (goto-char (notmuch-show-message-top))
(notmuch-show-message-adjust))) (notmuch-show-message-adjust)))