update at 2026-07-06 14:20:29

vim-im-switch-select.vim

@@ -24,6 +24,7 @@ endif
 if !executable("im-select")
   finish
 endif
+let s:imselect_cmd = exepath('im-select')
 let s:keepcpo = &cpo
 let g:imselect_loaded = 1
 set cpo&vim
@@ -38,96 +39,89 @@ if !exists('g:imselect_english_im')
 endif
 
 if !exists('g:imselect_chinese_im')
-    let g:imselect_chinese_im = 'auto-detect'  " 将自动检测
+    let g:imselect_chinese_im = 'com.apple.inputmethod.SCIM.ITABC'
 endif
 
 " ---------------------------------------------------------------------
 " Functions:
 
-" 离开 Insert 模式：保存当前输入法名称，然后切换到英文
-function! IMSelect2en()
-  " 保存当前输入法名称
-  let current_im = substitute(system("im-select 2>/dev/null"), '\n', '', 'g')
-  let g:imselect_last_insert_im_name = current_im
-  
-  " 切换到英文输入法（使用后台任务并重定向所有输出）
+function! IMSelectCurrentIM() abort
+  return substitute(system(shellescape(s:imselect_cmd) . ' 2>/dev/null'), '[\r\n]', '', 'g')
+endfunction
+
+function! IMSelectSwitch(im) abort
   if has('job')
-    " Use nohup in a shell backgrounded process. Some Vim builds don't accept
-    " the 'detach' option; calling via sh -lc with nohup/& keeps process
-    " disassociated while avoiding unsupported job_start options.
-    call job_start(['sh', '-lc', 'nohup im-select ' . shellescape(g:imselect_english_im) . ' >/dev/null 2>&1 &'])
+    silent! call job_start([s:imselect_cmd, a:im], {'out_io': 'null', 'err_io': 'null'})
   else
-    " Fallback: nohup in background
-    call system('nohup im-select ' . shellescape(g:imselect_english_im) . ' >/dev/null 2>&1 &')
+    silent! call system(shellescape(s:imselect_cmd) . ' ' . shellescape(a:im) . ' >/dev/null 2>&1 &')
   endif
 endfunction
 
-" 进入 Insert 模式：根据保存的输入法名称恢复
-function! IMSelect2zh()
-  " 如果上次保存的输入法名称为空，说明是第一次进入，保持英文
+function! IMSelectStart() abort
+  call IMSelectSwitch(g:imselect_english_im)
+endfunction
+
+function! IMSelectEnsureTarget(timer) abort
+  if g:imselect_last_insert_im_name != ''
+    call IMSelectSwitch(g:imselect_last_insert_im_name)
+  endif
+endfunction
+
+" 离开 Insert 模式前：保存当前输入法名称
+function! IMSelectRemember() abort
+  let current_im = IMSelectCurrentIM()
+  if current_im != ''
+    let g:imselect_last_insert_im_name = current_im
+  endif
+endfunction
+
+" 离开 Insert 模式：切换到英文
+function! IMSelect2en() abort
+  call IMSelectSwitch(g:imselect_english_im)
+endfunction
+
+" 恢复 Insert 模式输入法
+function! IMSelectRestore(timer) abort
   if g:imselect_last_insert_im_name == ''
-    return
-  endif
-  
-  " 如果上次是英文输入法，保持英文（不需要做任何事）
-  if g:imselect_last_insert_im_name == g:imselect_english_im
-    return
-  endif
-  
-  " 上次是中文输入法，恢复到那个输入法（使用后台任务并重定向所有输出）
-  if has('job')
-    call job_start(['sh', '-lc', 'nohup im-select ' . shellescape(g:imselect_last_insert_im_name) . ' >/dev/null 2>&1 &'])
-  else
-    call system('nohup im-select ' . shellescape(g:imselect_last_insert_im_name) . ' >/dev/null 2>&1 &')
+    let g:imselect_last_insert_im_name = g:imselect_chinese_im
   endif
+  call IMSelectSwitch(g:imselect_last_insert_im_name)
+  call timer_start(200, function('IMSelectEnsureTarget'))
+endfunction
+
+" 进入 Insert 模式：延迟恢复保存的输入法
+function! IMSelect2zh() abort
+  call timer_start(80, function('IMSelectRestore'))
 endfunction
 " ---------------------------------------------------------------------
 " Autocmds:
 
-" 进入 Insert 模式一次后的处理
-function! IMSelect2zhOnce()
-  call IMSelect2zh()
-  call UnBindIMSelectAu()
-endfunction
-
-function! BindIMSelectAu2zhOnce()
-  augroup IMSelect
-   au InsertEnter * call IMSelect2zhOnce()
-  augroup END
-endfunction
-
 " 绑定自动命令
 function! BindIMSelectAu()
   augroup IMSelect
-   " 离开 Insert 模式：保存输入法状态并切换到英文
-   au InsertLeave * call IMSelect2en()
+   autocmd!
+   " 离开 Insert 模式前：先保存输入法状态
+   autocmd InsertLeavePre * call IMSelectRemember()
+   " 离开 Insert 模式：切换到英文
+   autocmd InsertLeave * call IMSelect2en()
    " 进入 Insert 模式：恢复上次的输入法状态
-   au InsertEnter * call IMSelect2zh()
-   " Vim 启动时：切换到英文
-   au VimEnter * call IMSelect2en()
+   autocmd InsertEnter * call IMSelect2zh()
+   " Vim 启动后：切换到英文
+   autocmd VimEnter * call timer_start(100, {-> IMSelectStart()})
   augroup END
 endfunction
 
 function! UnBindIMSelectAu()
-  au! IMSelect InsertLeave *
-  au! IMSelect InsertEnter *
+  augroup IMSelect
+   autocmd!
+  augroup END
 endfunction
 
-" 延迟初始化：首次进入 Insert 模式时才绑定自动命令
-let g:imselect_called_bind = 0
-function! IMSelectEchoBind()
-    if (g:imselect_called_bind==0)
-        call BindIMSelectAu()
-    endif
-    let g:imselect_called_bind = 1
-endfunction
-
-autocmd InsertEnter * call IMSelectEchoBind()
+call BindIMSelectAu()
 
 " 多光标支持：在选择多个光标前后的处理
 function! IMSelect_multiple_cursors_before()
   call UnBindIMSelectAu()
-  call BindIMSelectAu2zhOnce()
 endfunction
 
 function! IMSelect_multiple_cursors_after()