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add optional clearing of cursorword highlight on leave #35

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add optional clearing of cursorword highlight on leave #35

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14 changes: 9 additions & 5 deletions autoload/cursorword.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,14 @@ function! cursorword#highlight() abort
highlight default CursorWord term=underline cterm=underline gui=underline
endfunction

function! cursorword#clear() abort
if get(w:, 'cursorword_match')
silent! call matchdelete(w:cursorword_id)
let w:cursorword_match = 0
let w:cursorword_state = []
endif
endfunction

let s:alphabets = '^[\x00-\x7f\xb5\xc0-\xd6\xd8-\xf6\xf8-\u01bf\u01c4-\u02af\u0370-\u0373\u0376\u0377\u0386-\u0481\u048a-\u052f]\+$'

function! cursorword#matchadd(...) abort
Expand All @@ -37,11 +45,7 @@ let s:delay = get(g:, 'cursorword_delay', 50)
if has('timers') && s:delay > 0
let s:timer = 0
function! cursorword#cursormoved() abort
if get(w:, 'cursorword_match')
silent! call matchdelete(w:cursorword_id)
let w:cursorword_match = 0
let w:cursorword_state = []
endif
call cursorword#clear()
call timer_stop(s:timer)
let s:timer = timer_start(s:delay, 'cursorword#timer_callback')
endfunction
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4 changes: 4 additions & 0 deletions plugin/cursorword.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,10 @@ augroup cursorword
call cursorword#highlight()
autocmd WinEnter,BufEnter * call cursorword#matchadd()
endif
autocmd WinLeave,BufLeave *
\ if get(g:, 'cursorword_clear_on_leave', 0) |
\ call cursorword#clear() |
\ endif
autocmd ColorScheme * call cursorword#highlight()
autocmd CursorMoved,CursorMovedI * call cursorword#cursormoved()
autocmd InsertEnter * call cursorword#matchadd(1)
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