fold is not enabled when opening file in insert mode

[uga-rosa]

I have noticed that the settings for each file type configured in dein's ftplugin are not being loaded when I open by ddu.vim.

The minimum configuration is the following two files, but essentially init.vim alone should probably suffice. The last line hooks :echom to the FileType event

• init.vim

  
  set runtimepath+=~/.cache/dein/repos/github.com/Shougo/dein.vim

call dein#begin('/tmp/dein') call dein#add('vim-denops/denops.vim') call dein#add('Shougo/ddu.vim') call dein#add('Shougo/ddu-ui-ff') call dein#add('Shougo/ddu-source-file_rec') call dein#add('Shougo/ddu-kind-file') call dein#load_toml('~/.config/minimal/ftplugin.toml') call dein#end()

call ddu#custom#patch_global({ \ 'sources': [{'name': 'filerec'}], \ 'ui': 'ff', \ 'uiParams': { \ 'ff': { \ 'startFilter': v:true, \ }, \ }, \ 'kindOptions': { \ '': { \ 'defaultAction': 'open', \ }, \ }, })

augroup my-ddu-ff autocmd! autocmd FileType ddu-ff call ddu_ff_mapping() autocmd FileType ddu-ff-filter call ddu_ff_filter_mapping() augroup END

function! s:ddu_ff_mapping() abort nnoremap call ddu#ui#do_action('itemAction') endfunction

function! s:ddu_ff_filter_mapping() abort inoremap call ddu#ui#do_action('itemAction') inoremap call ddu#ui#ff#execute('normal! j') inoremap call ddu#ui#ff#execute('normal! k') endfunction

" Indent by 4 spaces set tabstop=4 set shiftwidth=4 set expandtab

" Show cursorline set cursorline

autocmd FileType * echom &ft

- ftplugin.toml
```toml
[ftplugin]

toml = '''
    set foldmethod=expr
    set foldexpr=<SID>fold_expr(v:lnum)

    function! s:fold_expr(lnum) abort
      let line = getline(a:lnum)
      return line ==# '' || line[0:3] ==# '    '
    endfunction
'''

Reproduce steps:

• Place these two files in XDG_CONFIG_HOME/minimal/.
• Open neovim ($ NVIM_APPNAME=minimal nvim).
• Start ddu (:call ddu#start({}))
• You are already in the filter because startFilter is set to v:true.
• Select ftplugin.toml with <C-n>/<C-p> and open it with <CR> (these three are mapped in insert mode).
• You can see that the contents of toml are not folded.
• If you close the filter and open it from ddu-ff (I do nmap to <CR>), you will see that it is properly folded.

[Shougo]

In the first, it is not ddu-kind-file issue. It is ddu-ui-ff issue.

[Shougo]

And Filetype event is fired. foldmethod is already set. But fold is not enabled yes.

[Shougo]

I have fixed the problem in ddu-ui-ff.

Note: it is experimental fix. I may revert the change.

Reason: you have opened the file by insert mode. The fold is disabled in insert mode. ddu-ui-ff executes :stopinsert, but it is lazy executed. So it is in insert mode when you open files.

[Shougo]

So the title should be fold is not enabled when opening file in insert mode

[Shougo]

And please don't use dein.vim if it is not needed.

set runtimepath+=~/work/denops.vim
set runtimepath+=~/work/ddu.vim
set runtimepath+=~/work/ddu-ui-ff
set runtimepath+=~/work/ddu-source-file_rec
set runtimepath+=~/work/ddu-filter-matcher_substring
set runtimepath+=~/work/ddu-kind-file

call ddu#custom#patch_global({
      \ 'sources': [{'name': 'file_rec'}],
      \ 'ui': 'ff',
      \ 'input': '.toml',
      \ 'uiParams': {
      \   'ff': {
      \     'startFilter': v:true,
      \   },
      \ },
      \ 'sourceOptions': {
      \   '_': {
      \       'ignoreCase': v:true,
      \       'matchers': ['matcher_substring'],
      \   },
      \ },
      \ 'kindOptions': {
      \   '_': {
      \     'defaultAction': 'open',
      \   },
      \ },
      \})

augroup my-ddu-ff
  autocmd!
  autocmd FileType ddu-ff        call <SID>ddu_ff_mapping()
  autocmd FileType ddu-ff-filter call <SID>ddu_ff_filter_mapping()
augroup END

function! s:ddu_ff_mapping() abort
  nnoremap <buffer><silent> <CR> <Cmd>call ddu#ui#do_action('itemAction')<CR>
  nnoremap <buffer><silent> i <Cmd>call ddu#ui#do_action('openFilterWindow')<CR>
endfunction

function! s:ddu_ff_filter_mapping() abort
  inoremap <buffer><silent> <CR> <ESC><Cmd>call ddu#ui#do_action('itemAction')<CR>
  nnoremap <buffer><silent> <CR> <Cmd>call ddu#ui#do_action('itemAction')<CR>
  inoremap <buffer><silent> <C-n> <Cmd>call ddu#ui#ff#execute('normal! j')<CR>
  inoremap <buffer><silent> <C-p> <Cmd>call ddu#ui#ff#execute('normal! k')<CR>
endfunction

" Show cursorline
set cursorline

set debug=msg

filetype plugin indent on

autocmd FileType toml call s:toml_config()

function! s:toml_config()
  set foldmethod=expr
  set foldexpr=<SID>fold_expr(v:lnum)

  function! s:fold_expr(lnum) abort
    let line = getline(a:lnum)
    return line ==# '' || line[0:3] ==# '    '
  endfunction
endfunction

call ddu#start()

This is the real minimal vimrc.

[uga-rosa]

function! s:ddu_ff_filter_mapping() abort
  inoremap <buffer><silent> <CR> <ESC><Cmd>call ddu#ui#do_action('itemAction')<CR>
  nnoremap <buffer><silent> <CR> <Cmd>call ddu#ui#do_action('itemAction')<CR>
  inoremap <buffer><silent> <C-n> <Cmd>call ddu#ui#ff#execute('normal! j')<CR>
  inoremap <buffer><silent> <C-p> <Cmd>call ddu#ui#ff#execute('normal! k')<CR>
endfunction

Not only do you remove dependence on dein.vim, but you also add <ESC> in the imap <CR>? So you are saying that this is a problem that needs to be corrected in the way it is mapped? If so, this should be mentioned in the help.

[Shougo]

OK. I get it. I have fixed. Please update ddu-ui-ff again.

[uga-rosa]

I have confirmed that it has been fixed. Tysm!