fix a corner case with folding a single line citation

[notmuch] / vim / plugin / notmuch.vim

diff --git a/vim/plugin/notmuch.vim b/vim/plugin/notmuch.vim
index d77237811667e618172b1d1272b1403eb378e392..3b16a995acee7221fc175c232a362a58d2b596e2 100644 (file)
--- a/vim/plugin/notmuch.vim
+++ b/vim/plugin/notmuch.vim
@@ -94,7 +94,7 @@ endfunction
 " --- implement show screen
 
 function! s:NM_cmd_show(words)
-        let bufnr = bufnr('%')
+        let prev_bufnr = bufnr('%')
         let data = s:NM_run(['show'] + a:words)
         let lines = split(data, "\n")
 
@@ -103,6 +103,7 @@ function! s:NM_cmd_show(words)
         call s:NM_newBuffer('show', join(info['disp'], "\n"))
         setlocal bufhidden=delete
         let b:nm_raw_info = info
+        let b:nm_prev_bufnr = prev_bufnr
 
         call s:NM_cmd_show_mkfolds()
         call s:NM_cmd_show_mksyntax()
@@ -110,7 +111,26 @@ function! s:NM_cmd_show(words)
         setlocal fillchars=
         setlocal foldcolumn=6
 
-        exec printf("nnoremap <buffer> q :b %d<CR>", bufnr)
+        exec printf("nnoremap <buffer> q :b %d<CR>", b:nm_prev_bufnr)
+        nnoremap <buffer> <C-N> :call <SID>NM_cmd_show_next()<CR>
+endfunction
+
+function! s:NM_cmd_show_next()
+        let info = b:nm_raw_info
+        let lnum = line('.')
+        let cnt = 0
+        for msg in info['msgs']
+                let cnt = cnt + 1
+                if lnum >= msg['start']
+                        continue
+                endif
+
+                exec printf('norm %dG', msg['start'])
+                norm zz
+                return
+        endfor
+        norm qj
+        call <SID>NM_search_display()
 endfunction
 
 " s:NM_cmd_show_parse returns the following dictionary:
@@ -162,7 +182,7 @@ function! s:NM_cmd_show_parse(inlines)
                                         endif
                                 elseif mode_type == 'cit'
                                         if part_end || match(line, s:notmuch_show_citation_regexp) == -1
-                                                let outlnum = len(info['disp']) -1
+                                                let outlnum = len(info['disp'])
                                                 let foldinfo = [ mode_type, mode_start, outlnum,
                                                                \ printf('[ %d-line citation.  Press "c" to show. ]', outlnum - mode_start) ]
                                                 let mode_type = ''
@@ -301,6 +321,21 @@ function! s:NM_cmd_show_mkfolds()
         endfor
 endfunction
 
+function! s:NM_cmd_show_mksyntax()
+        let info = b:nm_raw_info
+        let cnt = 0
+        for msg in info['msgs']
+                let cnt = cnt + 1
+                let start = msg['start']
+                let hdr_start = msg['hdr_start']
+                let body_start = msg['body_start']
+                let end = msg['end']
+                exec printf('syntax region nmShowMsg%dDesc start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgDesc', cnt, start, start+1)
+                exec printf('syntax region nmShowMsg%dHead start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgHead', cnt, hdr_start, body_start)
+                exec printf('syntax region nmShowMsg%dBody start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgBody', cnt, body_start, end)
+        endfor
+endfunction
+
 function! NM_cmd_show_foldtext()
         let foldtext = b:nm_raw_info['foldtext']
         return foldtext[v:foldstart]