" LaTeX plugin for Vim " " Maintainer: Karl Yngve LervÄg " Email: karl.yngve@gmail.com " function! latex#view#init(initialized) " {{{1 call latex#util#set_default('g:latex_view_enabled', 1) if !g:latex_view_enabled | return | endif " Set default options call latex#util#set_default('g:latex_view_general_options', '') call latex#util#set_default_os_specific('g:latex_view_general_viewer', \ { \ 'linux' : 'xdg-open', \ 'mac' : 'open', \ }) call latex#util#set_default('g:latex_view_method', '') call latex#util#set_default('g:latex_view_mupdf_options', '') call latex#util#set_default('g:latex_view_mupdf_send_keys', '') call latex#util#set_default('g:latex_view_okular_options', '') call latex#util#set_default('g:latex_view_sumatrapdf_options', '') call latex#util#error_deprecated('g:latex_viewer') " Set view functions let data = g:latex#data[b:latex.id] if g:latex_view_method == 'mupdf' call s:init_mupdf() let data.view = function('latex#view#mupdf') let data.rsearch = function('latex#view#mupdf_rsearch') elseif g:latex_view_method == 'okular' call s:init_okular() let data.view = function('latex#view#okular') elseif g:latex_view_method == 'sumatrapdf' call s:init_sumatrapdf() let data.view = function('latex#view#sumatrapdf') else call s:init_general() let data.view = function('latex#view#general') endif " Define commands command! -buffer VimLatexView call g:latex#data[b:latex.id].view() if has_key(data, 'rsearch') command! -buffer -nargs=* VimLatexRSearch \ call g:latex#data[b:latex.id].rsearch() endif " Define mappings nnoremap (vl-view) :call g:latex#data[b:latex.id].view() if has_key(data, 'rsearch') nnoremap (vl-reverse-search) \ :call g:latex#data[b:latex.id].rsearch() endif endfunction "}}}1 function! latex#view#general() " {{{1 let exe = {} let exe.cmd = g:latex_view_general_viewer let outfile = g:latex#data[b:latex.id].out() if !filereadable(outfile) echomsg "Can't view: Output file is not readable!" return endif let exe.cmd .= ' ' . g:latex_view_general_options let exe.cmd .= ' ' . latex#util#fnameescape(outfile) call latex#util#execute(exe) let g:latex#data[b:latex.id].cmds.view = exe.cmd endfunction "}}}1 function! latex#view#mupdf() "{{{1 if !s:mupdf_exists_win() call s:mupdf_start() elseif s:mupdf_forward_search call s:mupdf_forward_search() endif endfunction " }}}1 function! latex#view#mupdf_poststart() "{{{1 " First get the window id if g:latex#data[b:latex.id].mupdf_id == 0 let mupdf_ids = [] if executable('xdotool') let cmd = 'xdotool search --class MuPDF' let mupdf_ids = systemlist(cmd) endif if len(mupdf_ids) == 0 echomsg "Couldn't find MuPDF window ID!" let g:latex#data[b:latex.id].mupdf_id = 0 else let g:latex#data[b:latex.id].mupdf_id = mupdf_ids[-1] endif endif " Next return focus to vim and send some keys to mupdf if desired if executable('xdotool') if g:latex_view_mupdf_send_keys != '' let cmd = 'xdotool key --window ' . g:latex#data[b:latex.id].mupdf_id let cmd .= ' ' . g:latex_view_mupdf_send_keys call system(cmd) endif silent execute '!xdotool windowfocus ' . v:windowid endif " Finally do a forward search if s:mupdf_forward_search call s:mupdf_forward_search() endif endfunction "}}}1 function! latex#view#mupdf_rsearch() "{{{1 if !s:mupdf_exists_win() echomsg "Can't search backwards: Is the PDF file open?" return endif let data = g:latex#data[b:latex.id] let outfile = data.out() let mupdf_id = data.mupdf_id let data.mupdf_rsearch = {} " Get page number let cmd = "xdotool getwindowname " . mupdf_id let cmd .= " | sed 's:.* - \\([0-9]*\\)/.*:\\1:'" let cmd .= " | tr -d '\n'" let mupdf_page = system(cmd) let data.mupdf_rsearch.page = mupdf_page let data.mupdf_rsearch.page_cmd = cmd if mupdf_page <= 0 | return | endif " Get file let cmd = "synctex edit " let cmd .= "-o \"" . mupdf_page . ":288:108:" . outfile . "\"" let cmd .= "| grep 'Input:' | sed 's/Input://' " let cmd .= "| head -n1 | tr -d '\n' 2>/dev/null" let mupdf_infile = system(cmd) let data.mupdf_rsearch.infile = mupdf_infile let data.mupdf_rsearch.infile_cmd = cmd " Get line let cmd = "synctex edit " let cmd .= "-o \"" . mupdf_page . ":288:108:" . outfile . "\"" let cmd .= "| grep -m1 'Line:' | sed 's/Line://' " let cmd .= "| head -n1 | tr -d '\n'" let line = system(cmd) let data.mupdf_rsearch.line = line let data.mupdf_rsearch.line_cmd = cmd " Go to file and line silent exec "edit " . mupdf_infile if line > 0 silent exec ":" . line " Unfold, move to top line to correspond to top pdf line, and go to end of " line in case the corresponding pdf line begins on previous pdf page. normal! zvztg_ endif endfunction " }}}1 function! latex#view#sumatrapdf() "{{{1 let outfile = g:latex#data[b:latex.id].out() if !filereadable(outfile) echomsg "Can't view: Output file is not readable!" return endif let exe = {} let exe.cmd = 'SumatraPDF ' . g:latex_view_sumatrapdf_options let exe.cmd .= ' -forward-search ' . latex#util#fnameescape(expand('%:p')) let exe.cmd .= ' ' . line('.') let exe.cmd .= ' ' . latex#util#fnameescape(outfile) call latex#util#execute(exe) let g:latex#data[b:latex.id].cmds.view = exe.cmd endfunction " }}}1 function! latex#view#okular() "{{{1 let outfile = g:latex#data[b:latex.id].out() if !filereadable(outfile) echomsg "Can't view: Output file is not readable!" return endif let exe = {} let exe.cmd = 'okular ' . g:latex_view_okular_options let exe.cmd .= ' --unique ' . latex#util#fnameescape(outfile) let exe.cmd .= '\#src:' . line('.') . latex#util#fnameescape(expand('%:p')) call latex#util#execute(exe) let g:latex#data[b:latex.id].cmds.view = exe.cmd endfunction " }}}1 function! s:init_general() "{{{1 if !executable(g:latex_view_general_viewer) echoerr "General viewer is not available!" echoerr "g:latex_view_general_viewer = " \ . g:latex_view_general_viewer endif endfunction " }}}1 function! s:init_mupdf() "{{{1 if !executable('mupdf') echoerr "MuPDF is not available!" endif " Check if forward search is possible let s:mupdf_forward_search = executable('synctex') && executable('xdotool') " Initialize mupdf_id if !has_key(g:latex#data[b:latex.id], 'mupdf_id') let g:latex#data[b:latex.id].mupdf_id = 0 endif endfunction " }}}1 function! s:init_sumatrapdf() "{{{1 if !executable('SumatraPDF') echoerr "SumatraPDF is not available!" endif endfunction "}}}1 function! s:init_okular() "{{{1 if !executable('okular') echoerr "okular is not available!" endif endfunction "}}}1 function! s:mupdf_exists_win() "{{{1 if executable('xdotool') let cmd = 'xdotool search --class MuPDF' let mupdf_ids = systemlist(cmd) for id in mupdf_ids if id == g:latex#data[b:latex.id].mupdf_id | return 1 | endif endfor endif return 0 endfunction "}}}1 function! s:mupdf_forward_search() "{{{1 let outfile = g:latex#data[b:latex.id].out() let l:cmd = "synctex view -i " \ . (line(".") + 1) . ":" \ . (col(".") + 1) . ":" \ . latex#util#fnameescape(expand("%:p")) \ . " -o " . latex#util#fnameescape(outfile) \ . " | grep -m1 'Page:' | sed 's/Page://' | tr -d '\n'" let l:page = system(l:cmd) let g:latex#data[b:latex.id].cmds.view_mupdf_synctex = l:cmd let g:latex#data[b:latex.id].cmds.view_mupdf_synctex_page = l:page if l:page > 0 let exe = {} let exe.cmd = 'xdotool' let exe.cmd .= ' type --window ' . g:latex#data[b:latex.id].mupdf_id let exe.cmd .= ' "' . l:page . 'g"' call latex#util#execute(exe) let g:latex#data[b:latex.id].cmds.view_mupdf_xdotool = exe.cmd endif endfunction "}}}1 function! s:mupdf_start() "{{{1 let outfile = g:latex#data[b:latex.id].out() if !filereadable(outfile) echomsg "Can't view: Output file is not readable!" return endif " Start MuPDF let exe = {} let exe.cmd = 'mupdf ' . g:latex_view_mupdf_options let exe.cmd .= ' ' . latex#util#fnameescape(outfile) call latex#util#execute(exe) let g:latex#data[b:latex.id].cmds.view = exe.cmd call latex#view#mupdf_poststart() endfunction "}}}1 " vim: fdm=marker sw=2