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Diffstat (limited to 'autoload/vimtex/view/common.vim')
| -rw-r--r-- | autoload/vimtex/view/common.vim | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/autoload/vimtex/view/common.vim b/autoload/vimtex/view/common.vim new file mode 100644 index 00000000..ca39cf0a --- /dev/null +++ b/autoload/vimtex/view/common.vim @@ -0,0 +1,211 @@ +if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1 + +" vimtex - LaTeX plugin for Vim +" +" Maintainer: Karl Yngve Lervåg +" Email: karl.yngve@gmail.com +" + +function! vimtex#view#common#apply_common_template(viewer) abort " {{{1 + return extend(a:viewer, deepcopy(s:common_template)) +endfunction + +" }}}1 +function! vimtex#view#common#apply_xwin_template(class, viewer) abort " {{{1 + let a:viewer.class = a:class + let a:viewer.xwin_id = 0 + call extend(a:viewer, deepcopy(s:xwin_template)) + return a:viewer +endfunction + +" }}}1 +function! vimtex#view#common#not_readable(output) abort " {{{1 + if !filereadable(a:output) + call vimtex#log#warning('Viewer cannot read PDF file!', a:output) + return 1 + else + return 0 + endif +endfunction + +" }}}1 + +let s:common_template = {} + +function! s:common_template.out() dict abort " {{{1 + return g:vimtex_view_use_temp_files + \ ? b:vimtex.root . '/' . b:vimtex.name . '_vimtex.pdf' + \ : b:vimtex.out(1) +endfunction + +" }}}1 +function! s:common_template.synctex() dict abort " {{{1 + return fnamemodify(self.out(), ':r') . '.synctex.gz' +endfunction + +" }}}1 +function! s:common_template.copy_files() dict abort " {{{1 + if !g:vimtex_view_use_temp_files | return | endif + + " + " Copy pdf file + " + let l:out = self.out() + if getftime(b:vimtex.out()) > getftime(l:out) + call writefile(readfile(b:vimtex.out(), 'b'), l:out, 'b') + endif + + " + " Copy synctex file + " + let l:old = b:vimtex.ext('synctex.gz') + let l:new = self.synctex() + if getftime(l:old) > getftime(l:new) + call rename(l:old, l:new) + endif +endfunction + +" }}}1 +function! s:common_template.pprint_items() abort dict " {{{1 + let l:list = [] + + if has_key(self, 'xwin_id') + call add(l:list, ['xwin id', self.xwin_id]) + endif + + if has_key(self, 'process') + call add(l:list, ['process', self.process]) + endif + + for l:key in filter(keys(self), 'v:val =~# ''^cmd_''') + call add(l:list, [l:key, self[l:key]]) + endfor + + return l:list +endfunction + +" }}}1 + +let s:xwin_template = {} + +function! s:xwin_template.view(file) dict abort " {{{1 + if empty(a:file) + let outfile = self.out() + else + let outfile = a:file + endif + if vimtex#view#common#not_readable(outfile) + return + endif + + if self.xwin_exists() + call self.forward_search(outfile) + else + if g:vimtex_view_use_temp_files + call self.copy_files() + endif + call self.start(outfile) + endif + + if has_key(self, 'hook_view') + call self.hook_view() + endif +endfunction + +" }}}1 +function! s:xwin_template.xwin_get_id() dict abort " {{{1 + if !executable('xdotool') | return 0 | endif + if self.xwin_id > 0 | return self.xwin_id | endif + + " Allow some time for the viewer to start properly + sleep 500m + + " + " Get the window ID + " + let cmd = 'xdotool search --class ' . self.class + let xwin_ids = split(system(cmd), '\n') + if len(xwin_ids) == 0 + call vimtex#log#warning('Viewer cannot find ' . self.class . ' window ID!') + let self.xwin_id = 0 + else + let self.xwin_id = xwin_ids[-1] + endif + + return self.xwin_id +endfunction + +" }}}1 +function! s:xwin_template.xwin_exists() dict abort " {{{1 + if !executable('xdotool') | return 0 | endif + + " + " If xwin_id is already set, check if it still exists + " + if self.xwin_id > 0 + let cmd = 'xdotool search --class ' . self.class + if index(split(system(cmd), '\n'), self.xwin_id) < 0 + let self.xwin_id = 0 + endif + endif + + " + " If xwin_id is unset, check if matching viewer windows exist + " + if self.xwin_id == 0 + if has_key(self, 'get_pid') + let cmd = 'xdotool search' + \ . ' --all --pid ' . self.get_pid() + \ . ' --name ' . fnamemodify(self.out(), ':t') + let self.xwin_id = get(split(system(cmd), '\n'), 0) + else + let cmd = 'xdotool search --name ' . fnamemodify(self.out(), ':t') + let ids = split(system(cmd), '\n') + let ids_already_used = filter(map(deepcopy(vimtex#state#list_all()), + \ "get(get(v:val, 'viewer', {}), 'xwin_id')"), 'v:val > 0') + for id in ids + if index(ids_already_used, id) < 0 + let self.xwin_id = id + break + endif + endfor + endif + endif + + return self.xwin_id > 0 +endfunction + +" }}}1 +function! s:xwin_template.xwin_send_keys(keys) dict abort " {{{1 + if a:keys ==# '' || !executable('xdotool') || self.xwin_id <= 0 + return + endif + + let cmd = 'xdotool key --window ' . self.xwin_id + let cmd .= ' ' . a:keys + silent call system(cmd) +endfunction + +" }}}1 +function! s:xwin_template.move(arg) abort " {{{1 + if !executable('xdotool') || self.xwin_id <= 0 + return + endif + + let l:cmd = 'xdotool windowmove ' . self.xwin_get_id() . ' ' . a:arg + silent call system(l:cmd) +endfunction + +" }}}1 +function! s:xwin_template.resize(arg) abort " {{{1 + if !executable('xdotool') || self.xwin_id <= 0 + return + endif + + let l:cmd = 'xdotool windowsize ' . self.xwin_get_id() . ' ' . a:arg + silent call system(l:cmd) +endfunction + +" }}}1 + +endif |