RE: [PATCH] Improve moving between messages in a thread

diff --git a/9f/a6589992b9d8078416e77ad99d29b13757982e b/9f/a6589992b9d8078416e77ad99d29b13757982e
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+Date: Mon, 06 Oct 2014 10:25:07 -0700\r
+From: Ian Main <imain@stemwinder.org>\r
+To: notmuch@notmuchmail.org\r
+Message-ID: <5432d073a9fc2_20301203e8c95@ovo.mains.priv.notmuch>\r
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+References: <1412579537-7921-1-git-send-email-imain@stemwinder.org>\r
+Subject: RE: [PATCH] Improve moving between messages in a thread\r
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+\r
+Ian Main wrote:\r
+> This patch adds a few changes to moving between threads:\r
+> \r
+> - It supports 'scrolloff' so that if you have this set it will move the\r
+>   buffer and cursor so the next/prev email starts at the top of the\r
+>   screen.\r
+> - It adds the ability to use shift-tab to go to the previous msg in\r
+>   the thread.\r
+> \r
+>     Ian\r
+> ---\r
+>  vim/notmuch.vim | 24 ++++++++++++++++++++++--\r
+>  1 file changed, 22 insertions(+), 2 deletions(-)\r
+> \r
+> diff --git a/vim/notmuch.vim b/vim/notmuch.vim\r
+> index 331e930..95e5c4b 100644\r
+> --- a/vim/notmuch.vim\r
+> +++ b/vim/notmuch.vim\r
+> @@ -39,6 +39,7 @@ let g:notmuch_show_maps = {\r
+>      \ 'p':          'show_save_patches()',\r
+>      \ 'r':          'show_reply()',\r
+>      \ '?':          'show_info()',\r
+> +    \ '<S-Tab>':    'show_prev_msg()',\r
+>      \ '<Tab>':      'show_next_msg()',\r
+>      \ 'c':          'compose()',\r
+>      \ }\r
+> @@ -113,6 +114,23 @@ EOF\r
+>      call s:kill_this_buffer()\r
+>  endfunction\r
+>  \r
+> +function! s:show_prev_msg()\r
+> +ruby << EOF\r
+> +    r, c = $curwin.cursor\r
+> +    n = $curbuf.line_number\r
+> +    i = $messages.index { |m| n >= m.start && n <= m.end }\r
+> +    m = $messages[i - 1] if i > 0\r
+> +    vim_puts ("messages index is #{i} and m is #{m}")\r
+> +    if m\r
+> +            r = m.body_start + 1\r
+> +            scrolloff = VIM::evaluate("&scrolloff")\r
+> +            VIM::command("normal #{m.start + scrolloff}zt")\r
+> +            $curwin.cursor = r + scrolloff, c\r
+> +            vim_puts("moving to #{m.start + scrolloff}")\r
+\r
+Woops, forgot to remove the vim_puts debugging.\r
+\r
+    Ian\r