mirror of
https://github.com/prabirshrestha/asyncomplete.vim.git
synced 2026-05-31 11:18:47 +02:00
Prabir Shrestha
84 lines
2.2 KiB
VimL
84 lines
2.2 KiB
VimL
let s:callbacks = []
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let s:change_timer = -1
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let s:last_tick = []
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function! asyncomplete#utils#_on_change#timer#init() abort
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call s:setup_if_required()
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return {
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\ 'name': 'timer',
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\ 'register': function('s:register'),
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\ 'unregister': function('s:unregister'),
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\ }
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endfunction
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function! s:setup_if_required() abort
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augroup asyncomplete_utils_on_change_timer
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autocmd!
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autocmd InsertEnter * call s:on_insert_enter()
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autocmd InsertLeave * call s:on_insert_leave()
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autocmd TextChangedI * call s:on_text_changed_i()
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augroup END
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endfunction
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function! s:register(cb) abort
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call add(s:callbacks , a:cb)
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endfunction
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function! s:unregister(obj, cb) abort
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" TODO: remove from s:callbacks
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endfunction
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function! s:on_insert_enter() abort
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let s:previous_position = getcurpos()
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call s:change_tick_start()
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endfunction
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function! s:on_insert_leave() abort
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unlet s:previous_position
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call s:change_tick_stop()
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endfunction
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function! s:on_text_changed_i() abort
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call s:check_changes()
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endfunction
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function! s:change_tick_start() abort
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if !exists('s:change_timer')
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let s:last_tick = s:change_tick()
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" changes every 30ms, which is 0.03s, it should be fast enough
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let s:change_timer = timer_start(30, function('s:check_changes'), { 'repeat': -1 })
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endif
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endfunction
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function! s:change_tick_stop() abort
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if exists('s:change_timer')
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call timer_stop(s:change_timer)
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unlet s:change_timer
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let s:last_tick = []
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endif
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endfunction
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function! s:check_changes(...) abort
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let l:tick = s:change_tick()
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if l:tick != s:last_tick
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let s:last_tick = l:tick
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call s:maybe_notify_on_change()
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endif
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endfunction
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function! s:maybe_notify_on_change() abort
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" enter to new line or backspace to previous line shouldn't cause change trigger
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let l:previous_position = s:previous_position
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let s:previous_position = getcurpos()
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if l:previous_position[1] ==# getcurpos()[1]
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for l:Cb in s:callbacks
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call l:Cb()
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endfor
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endif
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endfunction
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function! s:change_tick() abort
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return [b:changedtick, getcurpos()]
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endfunction
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