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|
" VimTeX - LaTeX plugin for Vim
"
" Maintainer: Karl Yngve Lervåg
" Email: karl.yngve@gmail.com
"
function! vimtex#matchparen#init_buffer() abort " {{{1
if !g:vimtex_matchparen_enabled | return | endif
call vimtex#matchparen#enable()
endfunction
" }}}1
function! vimtex#matchparen#enable() abort " {{{1
call s:matchparen.enable()
endfunction
" }}}1
function! vimtex#matchparen#disable() abort " {{{1
call s:matchparen.disable()
endfunction
" }}}1
function! vimtex#matchparen#popup_check(...) abort " {{{1
if pumvisible()
call s:matchparen.highlight()
endif
endfunction
" }}}1
let s:matchparen = {}
function! s:matchparen.enable() abort dict " {{{1
" vint: -ProhibitAutocmdWithNoGroup
execute 'augroup vimtex_matchparen' . bufnr('%')
autocmd!
autocmd CursorMoved <buffer> call s:matchparen.highlight()
autocmd CursorMovedI <buffer> call s:matchparen.highlight()
autocmd BufLeave <buffer> call s:matchparen.clear()
autocmd WinLeave <buffer> call s:matchparen.clear()
autocmd WinEnter <buffer> call s:matchparen.highlight()
try
autocmd TextChangedP <buffer> call s:matchparen.highlight()
catch /E216/
silent! let self.timer =
\ timer_start(50, 'vimtex#matchparen#popup_check', {'repeat' : -1})
endtry
augroup END
call self.highlight()
" vint: +ProhibitAutocmdWithNoGroup
endfunction
" }}}1
function! s:matchparen.disable() abort dict " {{{1
call self.clear()
execute 'autocmd! vimtex_matchparen' . bufnr('%')
silent! call timer_stop(self.timer)
endfunction
" }}}1
function! s:matchparen.clear() abort dict " {{{1
if exists('w:vimtex_match_id1')
call matchdelete(w:vimtex_match_id1)
call matchdelete(w:vimtex_match_id2)
unlet! w:vimtex_match_id1
unlet! w:vimtex_match_id2
endif
endfunction
function! s:matchparen.highlight() abort dict " {{{1
call self.clear()
if vimtex#syntax#in_comment() | return | endif
" This is a hack to ensure that $ in visual block mode adhers to the rule
" specified in :help v_$
if mode() ==# "\<c-v>"
let l:pos = vimtex#pos#get_cursor()
if len(l:pos) == 5 && l:pos[-1] == 2147483647
call feedkeys('$', 'in')
endif
endif
let l:current = vimtex#delim#get_current('all', 'both')
if empty(l:current) | return | endif
let l:corresponding = vimtex#delim#get_matching(l:current)
if empty(l:corresponding) | return | endif
if empty(l:corresponding.match) | return | endif
let [l:open, l:close] = l:current.is_open
\ ? [l:current, l:corresponding]
\ : [l:corresponding, l:current]
let w:vimtex_match_id1 = matchaddpos('MatchParen',
\ [[l:open.lnum, l:open.cnum, strlen(l:open.match)]])
let w:vimtex_match_id2 = matchaddpos('MatchParen',
\ [[l:close.lnum, l:close.cnum, strlen(l:close.match)]])
endfunction
" }}}1
|
