vimtex/autoload/latex/view.vim
2014-12-08 17:34:21 +01:00

158 lines
4.4 KiB
VimL

" LaTeX plugin for Vim
"
" Maintainer: Karl Yngve Lervåg
" Email: karl.yngve@gmail.com
"
function! latex#view#init(initialized) " {{{1
if !g:latex_view_enabled | return | endif
call latex#util#error_deprecated('g:latex_viewer')
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_sumatrapdf_options', '')
call latex#util#set_default('g:latex_view_general_viewer', 'xdg-open')
call latex#util#set_default('g:latex_view_general_options', '')
if g:latex_view_method == 'mupdf'
call s:check_method_mupdf()
let g:latex#data[b:latex.id].view = function('latex#view#mupdf')
elseif g:latex_view_method == 'sumatrapdf'
call s:check_method_sumatrapdf()
let g:latex#data[b:latex.id].view = function('latex#view#sumatrapdf')
else
call s:check_method_general()
let g:latex#data[b:latex.id].view = function('latex#view#general')
endif
command! -buffer -nargs=* VimLatexView call latex#view#view('<args>')
if g:latex_mappings_enabled
nnoremap <silent><buffer> <localleader>lv :call latex#view#view()<cr>
endif
endfunction
"}}}1
function! latex#view#view(...) " {{{1
if a:0 > 0
let args = join(a:000, ' ')
else
let args = ''
endif
call g:latex#data[b:latex.id].view(args)
endfunction
" }}}1
function! latex#view#general(args) " {{{1
let exe = {}
let exe.cmd = g:latex_view_general_viewer
if a:args != ''
let exe.cmd .= ' ' . a:args
else
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 .= ' ' . shellescape(outfile)
endif
call latex#util#execute(exe)
let g:latex#data[b:latex.id].cmds.view = exe.cmd
endfunction
"}}}1
function! latex#view#mupdf(args) "{{{1
let outfile = g:latex#data[b:latex.id].out()
if !filereadable(outfile)
echomsg "Can't view: Output file is not readable!"
return
endif
" Open if not already open
let pgrep = 'pgrep -nf "^mupdf.*'
\ . fnamemodify(g:latex#data[b:latex.id].out(), ':t')
\ . '"'
if !system(pgrep)[:-2]
let exe = {}
let exe.cmd = 'mupdf ' . g:latex_view_mupdf_options
let exe.cmd .= ' ' . shellescape(outfile)
call latex#util#execute(exe)
let g:latex#data[b:latex.id].cmds.view = exe.cmd
endif
" Do forward search if possible
if !s:mupdf_forward_search | finish | endif
let l:cmd = "synctex view -i "
\ . (line(".") + 1) . ":"
\ . (col(".") + 1) . ":"
\ . shellescape(expand("%:p"))
\ . " -o " . 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 search --class mupdf type --window \%1 "'
\ . 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! latex#view#sumatrapdf(args) "{{{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
" SumatraPDF will ignore '-forward-search' if a pdfsync
" or SyncTeX (either gzipped or normal) file isn't present
let exe.cmd .= ' -forward-search ' . shellescape(expand('%:p'))
let exe.cmd .= ' ' . line('.')
let exe.cmd .= ' ' . shellescape(outfile)
call latex#util#execute(exe)
let g:latex#data[b:latex.id].cmds.view = exe.cmd
endfunction
" }}}1
function! s:check_method_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:check_method_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')
endfunction
" }}}1
function! s:check_method_sumatrapdf() "{{{1
if !executable('SumatraPDF')
echoerr "SumatraPDF is not available!"
endif
endfunction
"}}}1
" vim: fdm=marker