nvim: after/plugin: fzf: Move fzf configuration

Do all fzf configuration in after/plugin instead of lua/modules. While at
it, add functionality to add fzf items to the quickfix list.

nvim/.config/nvim/after/plugin/fzf.vim

@@ -0,0 +1,38 @@
+" See https://github.com/junegunn/fzf/blob/master/README-VIM.md
+" An action can be a reference to a function that processes selected lines
+function! s:build_quickfix_list(lines)
+  call setqflist([], ' ', { 'title': 'FZF Selected', 'items': map(copy(a:lines), '{ "filename": v:val }') })
+  copen
+  cc
+endfunction
+
+let g:fzf_action = {
+\  'ctrl-q': function('s:build_quickfix_list'),
+\  'ctrl-t': 'tab split',
+\  'ctrl-x': 'split',
+\  'ctrl-v': 'vsplit',
+\  }
+
+let $FZF_DEFAULT_OPTS = '--layout=reverse --bind "Ctrl-n:preview-down,Ctrl-p:preview-up"'
+let g:fzf_layout      = { 'window': { 'width': 0.8, 'height': 0.8 }, }
+
+nnoremap <Leader>b  :Buffers<CR>
+nnoremap <Leader>B  :History<CR>
+nnoremap <Leader>/  :GFiles?<CR>
+nnoremap <Leader>ff :GFiles<CR>
+nnoremap <Leader>fF :Files<CR>
+nnoremap <Leader>fL :Lines<CR>
+nnoremap <Leader>fc :BCommits<CR>
+nnoremap <Leader>fC :Commits<CR>
+nnoremap <Leader>fh :History:<CR>
+nnoremap <Leader>fH :History/<CR>
+nnoremap <Leader>fm :Marks<CR>
+nnoremap <Leader>fo :Locate<CR>
+nnoremap <Leader>fk :Maps<CR>
+nnoremap <Leader>f/ :Rg<CR>
+nnoremap <Leader>fs :<C-u>Rg <C-r><C-w><CR>
+
+imap <C-x><C-w> <Plug>(fzf-complete-word)
+imap <C-x><C-p> <Plug>(fzf-complete-path)
+imap <C-x><C-f> <Plug>(fzf-complete-file)
+imap <C-x><C-l> <Plug>(fzf-complete-line)

nvim/.config/nvim/lua/modules/fzf.lua

@@ -1,30 +0,0 @@
-local remap = vim.api.nvim_set_keymap
-
-vim.env.FZF_DEFAULT_OPTS = "--layout=reverse --bind \"Ctrl-n:preview-down,Ctrl-p:preview-up\""
-vim.g.fzf_layout = {
-  window = {
-    width = 0.8,
-    height = 0.8
-  },
-}
-
-remap('n', '<Leader>b',  ':Buffers<CR>',  { noremap = true })
-remap('n', '<Leader>B',  ':History<CR>',  { noremap = true })
-remap('n', '<Leader>/',  ':GFiles?<CR>',  { noremap = true })
-remap('n', '<Leader>ff', ':GFiles<CR>',   { noremap = true })
-remap('n', '<Leader>fF', ':Files<CR>',    { noremap = true })
-remap('n', '<Leader>fL', ':Lines<CR>',    { noremap = true })
-remap('n', '<Leader>fc', ':BCommits<CR>', { noremap = true })
-remap('n', '<Leader>fC', ':Commits<CR>',  { noremap = true })
-remap('n', '<Leader>fh', ':History:<CR>', { noremap = true })
-remap('n', '<Leader>fH', ':History/<CR>', { noremap = true })
-remap('n', '<Leader>fm', ':Marks<CR>',    { noremap = true })
-remap('n', '<Leader>fo', ':Locate<CR>',   { noremap = true })
-remap('n', '<Leader>fk', ':Maps<CR>',     { noremap = true })
-remap('n', '<Leader>f/', ':Rg<CR>',       { noremap = true })
-remap('n', '<Leader>fs', ':<C-u>Rg <C-r><C-w><CR>', { noremap = true })
-
-remap('i', '<C-x><C-w>', '<Plug>(fzf-complete-word)', { noremap = false })
-remap('i', '<C-x><C-p>', '<Plug>(fzf-complete-path)', { noremap = false })
-remap('i', '<C-x><C-f>', '<Plug>(fzf-complete-file)', { noremap = false })
-remap('i', '<C-x><C-l>', '<Plug>(fzf-complete-line)', { noremap = false })

nvim/.config/nvim/lua/plugins.lua

@@ -14,10 +14,7 @@ local init = function ()
     'junegunn/fzf',
     run = './install --bin'
   }
-  use {
-    'junegunn/fzf.vim',
-    config = "require('modules.fzf')"
-  }
+  use 'junegunn/fzf.vim'
   use 'wincent/ferret'
   use 'lambdalisue/reword.vim'
   use 'bronson/vim-visual-star-search'