nvim: Add back quickui again for floating preview windows

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>

nvim/.config/nvim/after/ftplugin/qf.vim

@@ -15,30 +15,10 @@ setlocal nospell
 nnoremap <buffer> [- :colder<CR>
 nnoremap <buffer> ]+ :cnewer<CR>
 nnoremap <buffer> <Leader>g :Cfilter<SPACE>
+nnoremap <buffer> p :call quickui#tools#preview_quickfix()<CR>
 
-nnoremap <buffer> o <CR><C-w>p
-nnoremap <silent> <buffer> p :call <SID>preview_file()<CR>
-
-let b:qf_isLoc = ! empty(getloclist(0))
-if b:qf_isLoc == 1
+if !empty(getloclist(0)) == 1
   nnoremap <buffer> q <CR>:lclose<CR>
 else
   nnoremap <buffer> q <CR>:cclose<CR>
 endif
-
-" Taken from https://github.com/voldikss/dotfiles
-function! s:preview_file()
-  let winwidth = &columns
-  let cur_list = b:qf_isLoc == 1 ? getloclist('.') : getqflist()
-  let cur_line = getline(line('.'))
-  let cur_file = fnameescape(substitute(cur_line, '|.*$', '', ''))
-  if cur_line =~# '|\d\+'
-    let cur_pos  = substitute(cur_line, '^\(.\{-}|\)\(\d\+\)\(.*\)', '\2', '')
-    execute 'vertical pedit! +'.cur_pos.' '.cur_file
-  else
-    execute 'vertical pedit! '.cur_file
-  endif
-  wincmd P
-  execute 'vert resize '.(winwidth / 2)
-  wincmd p
-endfunction

nvim/.config/nvim/colors/molokai.vim

@@ -17,10 +17,11 @@ if exists("syntax_on")
 endif
 let g:colors_name="molokai"
 
+set background=dark
+
 " vertical split lines should look like a line instead of a dashed one
 set fillchars+=vert:│
 
-
 hi Boolean         guifg=#AE81FF
 hi Character       guifg=#E6DB74
 hi Number          guifg=#AE81FF
@@ -117,6 +118,5 @@ hi Conceal         guifg=#f92672 guibg=bg
 
 hi Searchlight     guifg=#FF00FF guibg=#000000
 
-" Must be at the end, because of ctermbg=234 bug.
-" https://groups.google.com/forum/#!msg/vim_dev/afPqwAFNdrU/nqh6tOM87QUJ
-set background=dark
+hi QuickDefaultBackground guifg=#F8F8F2 guibg=NONE gui=NONE
+hi QuickDefaultPreview                  guibg=NONE

nvim/.config/nvim/colors/wombat.vim

@@ -94,5 +94,8 @@ hi ModeMsg      guifg=#F6F3E8 guibg=NONE    gui=NONE
 
 hi Searchlight  guifg=#FF00FF guibg=#000000
 
+hi QuickDefaultBackground guifg=#F6F3E8 guibg=#000000 gui=NONE
+hi QuickDefaultPreview                  guibg=#000000
+
 " Custom stuff
 hi Modified guifg=black guibg=#FFA500 

nvim/.config/nvim/init.vim

@@ -60,6 +60,8 @@ Plug 'christoomey/vim-system-copy'
 Plug 'caenrique/nvim-toggle-terminal'
 " Resize window with golden ratio
 Plug 'roman/golden-ratio'
+" Floating preview
+Plug 'skywind3000/vim-quickui'
 " LSP
 Plug 'neovim/nvim-lsp'
 Plug 'haorenW1025/diagnostic-nvim'

nvim/.config/nvim/keymappings.vim

@@ -85,6 +85,7 @@ nnoremap L* :Glgrep! <cword><CR>
 nnoremap Ls :Glgrep!<SPACE>
 nnoremap Lt :call ToggleLocationList()<CR>
 " Preview tags
+nnoremap pf :call quickui#tools#preview_tag('')<cr>
 nnoremap pt :ptag <C-R><C-W><CR>
 nnoremap [p :ptprevious<CR>
 nnoremap ]p :ptnext<CR>