update at 2026-07-15 11:04:39
This commit is contained in:
douboer
@@ -1,9 +1,8 @@
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" vim-im-switch-select.vim - 智能记忆输入法状态 (使用 im-select)
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" vim-im-switch-select.vim - macOS Vim 输入法切换
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" Author: Gavin Chan
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" Modified by: codefalling, enhanced with smart IM state memory
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" Version: 2.0.0
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" Description: 记住退出 Insert 模式时的输入法状态，下次进入时自动恢复
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" 使用 im-select 而不是 fcitx-remote 切换输入法
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" Version: 2.3.1
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" Description: Normal 模式固定英文，Insert 模式恢复同进程内上次中/英状态
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" ---------------------------------------------------------------------
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" Load Once:
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if exists('g:imselect_loaded')
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@@ -21,19 +20,18 @@ endif
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if exists('$SSH_TTY')
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finish
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endif
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if !executable("im-select")
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let s:hs_cmd = executable('hs') ? exepath('hs') : ''
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let s:imselect_cmd = executable('im-select') ? exepath('im-select') : ''
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if s:hs_cmd ==# '' && s:imselect_cmd ==# ''
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finish
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endif
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let s:imselect_cmd = exepath('im-select')
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let s:keepcpo = &cpo
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let g:imselect_loaded = 1
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set cpo&vim
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" ---------------------------------------------------------------------
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" 全局变量：记住上次 Insert 模式的输入法名称
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let g:imselect_last_insert_im_name = ''
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" 英文和中文输入法的 ID（可以通过 im-select 获取）
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" im-select fallback 使用输入源 ID；Hammerspoon 主路径使用 layout/method 名称。
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if !exists('g:imselect_english_im')
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let g:imselect_english_im = 'com.apple.keylayout.ABC'
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endif
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@@ -42,71 +40,167 @@ if !exists('g:imselect_chinese_im')
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let g:imselect_chinese_im = 'com.apple.inputmethod.SCIM.ITABC'
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endif
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if !exists('g:imselect_hs_english_layout')
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let g:imselect_hs_english_layout = 'ABC'
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endif
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if !exists('g:imselect_hs_chinese_method')
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let g:imselect_hs_chinese_method = 'Pinyin – Simplified'
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endif
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if !exists('g:imselect_restore_delay')
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let g:imselect_restore_delay = 80
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endif
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if !exists('g:imselect_confirm_delay')
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let g:imselect_confirm_delay = 200
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endif
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let s:restore_timer = -1
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let s:confirm_timer = -1
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let s:target = ''
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" 只在当前 Vim 进程内记忆；退出 Vim 后会重新默认中文。
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let s:last_insert_target = 'chinese'
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" ---------------------------------------------------------------------
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" Functions:
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function! IMSelectCurrentIM() abort
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if s:imselect_cmd ==# ''
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return ''
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endif
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return substitute(system(shellescape(s:imselect_cmd) . ' 2>/dev/null'), '[\r\n]', '', 'g')
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endfunction
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function! s:CancelTimer(timer) abort
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if a:timer != -1
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silent! call timer_stop(a:timer)
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endif
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endfunction
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function! s:CancelInsertTimers() abort
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call s:CancelTimer(s:restore_timer)
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call s:CancelTimer(s:confirm_timer)
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let s:restore_timer = -1
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let s:confirm_timer = -1
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endfunction
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function! s:RunHammerspoon(lua) abort
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if s:hs_cmd ==# ''
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return 0
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endif
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silent! call system(shellescape(s:hs_cmd) . ' -c ' . shellescape(a:lua) . ' >/dev/null 2>&1')
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return v:shell_error == 0
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endfunction
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function! s:HammerspoonOutput(lua) abort
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if s:hs_cmd ==# ''
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return ''
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endif
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return substitute(system(shellescape(s:hs_cmd) . ' -c ' . shellescape(a:lua) . ' 2>/dev/null'), '[\r\n]', '', 'g')
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endfunction
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function! IMSelectSwitch(im) abort
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if has('job')
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silent! call job_start([s:imselect_cmd, a:im], {'out_io': 'null', 'err_io': 'null'})
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if a:im ==# '' || s:imselect_cmd ==# ''
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return
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endif
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silent! call system(shellescape(s:imselect_cmd) . ' ' . shellescape(a:im) . ' >/dev/null 2>&1')
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endfunction
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function! s:SwitchToEnglish() abort
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" Hammerspoon 能直接设置 layout；比只切 source ID 更贴近 macOS 实际输入状态。
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if s:RunHammerspoon('hs.keycodes.setLayout(' . string(g:imselect_hs_english_layout) . ')')
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return
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endif
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call IMSelectSwitch(g:imselect_english_im)
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endfunction
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function! s:SwitchToChinese() abort
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" Apple 拼音可能出现 source ID 已切中文但 layout 仍为 ABC 的坏状态；setMethod 可避免该问题。
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if s:RunHammerspoon('hs.keycodes.setMethod(' . string(g:imselect_hs_chinese_method) . ')')
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return
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endif
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call IMSelectSwitch(g:imselect_chinese_im)
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endfunction
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function! s:SwitchToTarget(target) abort
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if a:target ==# 'english'
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call s:SwitchToEnglish()
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else
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silent! call system(shellescape(s:imselect_cmd) . ' ' . shellescape(a:im) . ' >/dev/null 2>&1 &')
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call s:SwitchToChinese()
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endif
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endfunction
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function! s:DetectInsertTarget() abort
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let layout = s:HammerspoonOutput('print(hs.keycodes.currentLayout() or "")')
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let method = s:HammerspoonOutput('print(hs.keycodes.currentMethod() or "")')
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if layout ==# g:imselect_hs_english_layout && method ==# ''
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let s:last_insert_target = 'english'
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elseif method ==# g:imselect_hs_chinese_method || layout ==# g:imselect_hs_chinese_method
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let s:last_insert_target = 'chinese'
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else
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let current_im = IMSelectCurrentIM()
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if current_im ==# g:imselect_english_im
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let s:last_insert_target = 'english'
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elseif current_im ==# g:imselect_chinese_im
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let s:last_insert_target = 'chinese'
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endif
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endif
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endfunction
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function! IMSelectStart() abort
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call IMSelectSwitch(g:imselect_english_im)
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let s:target = 'english'
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call s:CancelInsertTimers()
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call s:SwitchToEnglish()
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endfunction
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function! IMSelectEnsureTarget(timer) abort
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if g:imselect_last_insert_im_name != ''
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call IMSelectSwitch(g:imselect_last_insert_im_name)
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function! s:ConfirmTarget(timer) abort
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let s:confirm_timer = -1
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call s:SwitchToTarget(s:target)
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endfunction
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function! s:RestoreInsertTarget(timer) abort
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let s:restore_timer = -1
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" 防止快速 i<Esc> 后，延迟 timer 又把 Normal 模式切回中文。
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if s:target !=# s:last_insert_target
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return
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endif
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call s:SwitchToTarget(s:last_insert_target)
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if g:imselect_confirm_delay > 0
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let s:confirm_timer = timer_start(g:imselect_confirm_delay, function('s:ConfirmTarget'))
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endif
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endfunction
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" 离开 Insert 模式前：保存当前输入法名称
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" 必须在 InsertLeavePre 保存；InsertLeave 中会立即切到英文。
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function! IMSelectRemember() abort
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let current_im = IMSelectCurrentIM()
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if current_im != ''
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let g:imselect_last_insert_im_name = current_im
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endif
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call s:DetectInsertTarget()
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endfunction
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" 离开 Insert 模式：切换到英文
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function! IMSelect2en() abort
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call IMSelectSwitch(g:imselect_english_im)
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let s:target = 'english'
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call s:CancelInsertTimers()
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call s:SwitchToEnglish()
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endfunction
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" 恢复 Insert 模式输入法
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function! IMSelectRestore(timer) abort
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if g:imselect_last_insert_im_name == ''
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let g:imselect_last_insert_im_name = g:imselect_chinese_im
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endif
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call IMSelectSwitch(g:imselect_last_insert_im_name)
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call timer_start(200, function('IMSelectEnsureTarget'))
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endfunction
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" 进入 Insert 模式：延迟恢复保存的输入法
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function! IMSelect2zh() abort
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call timer_start(80, function('IMSelectRestore'))
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let s:target = s:last_insert_target
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call s:CancelInsertTimers()
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if g:imselect_restore_delay > 0
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let s:restore_timer = timer_start(g:imselect_restore_delay, function('s:RestoreInsertTarget'))
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else
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call s:RestoreInsertTarget(-1)
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endif
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endfunction
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" ---------------------------------------------------------------------
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" Autocmds:
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" 绑定自动命令
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function! BindIMSelectAu()
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augroup IMSelect
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autocmd!
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" 离开 Insert 模式前：先保存输入法状态
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autocmd InsertLeavePre * call IMSelectRemember()
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" 离开 Insert 模式：切换到英文
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autocmd InsertLeave * call IMSelect2en()
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" 进入 Insert 模式：恢复上次的输入法状态
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autocmd InsertEnter * call IMSelect2zh()
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" Vim 启动后：切换到英文
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autocmd VimEnter * call timer_start(100, {-> IMSelectStart()})
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augroup END
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endfunction
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@@ -115,11 +209,11 @@ function! UnBindIMSelectAu()
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augroup IMSelect
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autocmd!
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augroup END
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call s:CancelInsertTimers()
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endfunction
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call BindIMSelectAu()
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" 多光标支持：在选择多个光标前后的处理
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function! IMSelect_multiple_cursors_before()
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call UnBindIMSelectAu()
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endfunction
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