[PATCH] emacs: breakout notmuch-show-advance functionality from notmuch-show-advance-and-archive

Pieter Praet pieter at praet.org
Wed Nov 16 14:47:53 PST 2011


On Sun, 13 Nov 2011 13:16:48 -0800, Jameson Graef Rollins <jrollins at finestructure.net> wrote:
> This patch breaks out much of the functionality of
> notmuch-show-advance-and-archive into a new function:
> notmuch-show-advance.  This new function does all the advancing
> through a show buffer that notmuch-show-advance-and-archive did,
> without all the invasive thread archiving.  The return value of
> notmuch-show-advance is nil if the bottom of the thread is not
> reached, and t if it is.
> 
> notmuch-show-advance-and-archive is modified to just call
> notmuch-show-advance, and then call notmuch-show-archive-thread if the
> return value is true.  In this way the previous functionality of
> notmuch-show-advance-and-archive is preserved.
> 
> This provides a way for people to rebind the space bar to a more sane
> function if they don't like the default behavior.
> ---
>  emacs/notmuch-show.el |   38 +++++++++++++++++++++++---------------
>  1 files changed, 23 insertions(+), 15 deletions(-)
> 
> diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
> index d5c95d8..a7f3263 100644
> --- a/emacs/notmuch-show.el
> +++ b/emacs/notmuch-show.el
> @@ -1135,26 +1135,18 @@ All currently available key bindings:
>  
>  ;; Commands typically bound to keys.
>  
> -(defun notmuch-show-advance-and-archive ()
> -  "Advance through thread and archive.
> -
> -This command is intended to be one of the simplest ways to
> -process a thread of email. It does the following:
> +(defun notmuch-show-advance ()
> +  "Advance through thread.
>  
>  If the current message in the thread is not yet fully visible,
>  scroll by a near screenful to read more of the message.
>  
>  Otherwise, (the end of the current message is already within the
> -current window), advance to the next open message.
> -
> -Finally, if there is no further message to advance to, and this
> -last message is already read, then archive the entire current
> -thread, (remove the \"inbox\" tag from each message). Also kill
> -this buffer, and display the next thread from the search from
> -which this thread was originally shown."
> +current window), advance to the next open message."
>    (interactive)
>    (let* ((end-of-this-message (notmuch-show-message-bottom))
> -	 (visible-end-of-this-message (1- end-of-this-message)))
> +	 (visible-end-of-this-message (1- end-of-this-message))
> +	 (ret nil))
>      (while (invisible-p visible-end-of-this-message)
>        (setq visible-end-of-this-message
>  	    (previous-single-char-property-change visible-end-of-this-message
> @@ -1173,8 +1165,24 @@ which this thread was originally shown."
>        (notmuch-show-next-open-message))
>  
>       (t
> -      ;; This is the last message - archive the thread.
> -      (notmuch-show-archive-thread)))))
> +      ;; This is the last message - change the return value
> +      (setq ret t)))
> +    ret))
> +
> +(defun notmuch-show-advance-and-archive ()
> +  "Advance through thread and archive.
> +
> +This command is intended to be one of the simplest ways to
> +process a thread of email. It works exactly like
> +notmuch-show-advance, in that it scrolls through messages in a
> +show buffer, except that when it gets to the end of the buffer it
> +archives the entire current thread, (remove the \"inbox\" tag
> +from each message), kills the buffer, and displays the next
> +thread from the search from which this thread was originally
> +shown."
> +  (interactive)
> +  (if (notmuch-show-advance)
> +      (notmuch-show-archive-thread)))
>  
>  (defun notmuch-show-rewind ()
>    "Backup through the thread, (reverse scrolling compared to \\[notmuch-show-advance-and-archive]).
> -- 
> 1.7.7.1
> 
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> http://notmuchmail.org/mailman/listinfo/notmuch


Nice one!

Signed-off-by: Pieter Praet <pieter at praet.org>  ;)


This has also exposed a pre-existing bug: When the last visible message
is longer than a screenful and contains a *hidden* signature, you'll
never get to see the end of it.

The culprit is presumably seeking shelter from the flyswatter @
`notmuch-show-message-extent' or one of its relatives: Cc'ing our
resident invisibility guru.


Peace

-- 
Pieter


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