nvim: Miscellaneous clean up

1. Clean up the remnants of Neomake and grepper config left behind
2. Drop quickui and use a custom preview function for items in QF
window stolen from floaterm plugin's author
3. Cleanups for vim default configuration settings like wildignore

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

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

@@ -1,11 +1,42 @@
-setlocal nolist norelativenumber nowrap number nocursorline
-setlocal scrolloff=0
+" Quit vim if the last window is qf
+autocmd BufEnter <buffer> if winnr('$') < 2| q | endif
 
-noremap <silent><buffer> p :call quickui#tools#preview_quickfix()<CR>
+setlocal scrolloff=0
+setlocal nowrap
+setlocal norelativenumber number
+setlocal linebreak
+setlocal nolist
+setlocal nocursorline
+setlocal nobuflisted
+setlocal nospell
 
 nnoremap <buffer> [- :colder<CR>
 nnoremap <buffer> ]+ :cnewer<CR>
 nnoremap <buffer> <Leader>g :Cfilter<SPACE>
 
-" Close QF window if it is last window
-autocmd WinEnter * if winnr('$') == 1 && &buftype == "quickfix" | q | endif
+nnoremap <buffer> o <CR><C-w>p
+nnoremap <silent> <buffer> p :call <SID>preview_file()<CR>
+
+let b:qf_isLoc = ! empty(getloclist(0))
+if b:qf_isLoc == 1
+  nnoremap <buffer> q <CR>:lclose<CR>
+else
+  nnoremap <buffer> q <CR>:cclose<CR>
+endif
+
+" Taken from https://github.com/voldikss/dotfiles
+function! s:preview_file()
+  let winwidth = &columns
+  let cur_list = b:qf_isLoc == 1 ? getloclist('.') : getqflist()
+  let cur_line = getline(line('.'))
+  let cur_file = fnameescape(substitute(cur_line, '|.*$', '', ''))
+  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/config.vim

@@ -33,45 +33,50 @@ set hidden
 set noautochdir
 set hlsearch
 set relativenumber
+set nostartofline           " Do not jump to first character with page commands.
+set ignorecase              " Make searching case insensitive
+set smartcase               " ... unless the query has capital letters.
+set magic                   " Use 'magic' patterns (extended regular expressions).
+set autoread                " Autoload file if it changes on disk
+set termguicolors           " Enable colors for terminal
+set completeopt-=menu
+set completeopt+=menuone    " Show the completions UI even with only 1 item
+set completeopt-=longest    " Don't insert the longest common text
+set completeopt-=preview    " Hide the documentation preview window
+set completeopt+=noinsert   " Don't insert text automatically
+set completeopt-=noselect   " Highlight the first completion automatically
+" Required for vim-workspace
+" See https://github.com/thaerkh/vim-workspace/issues/11
+set sessionoptions-=blank
+set fileformat=unix
+set inccommand=split
+set switchbuf=useopen
+set backspace=indent,eol,start
+set scrolloff=3            " Show next 3 lines while scrolling.
+set sidescrolloff=5        " Show next 5 columns while side-scrolling.
 
 " Wild menu
 set wildmenu
 set wildmode=list:longest,full
 set wildoptions=pum
 set pumblend=30
-set wildignore+=.hg,.git,.svn                    " Version control
-set wildignore+=*.aux,*.out,*.toc                " LaTeX intermediate files
-set wildignore+=*.jpg,*.bmp,*.gif,*.png,*.jpeg   " binary images
-set wildignore+=*.o                              " compiled object files
-set wildignore+=*.sw?                            " Vim swap files
-set wildignore+=*.luac                           " Lua byte code
-set wildignore+=*.pyc                            " Python byte code
-set wildignore+=*.orig                           " Merge resolution files
-set wildignore+=**/node_modules/**               " Ignore garbage node_modules
-set wildignore+=**/output/**                     " Ignore Purescript output directory
-
-if !&scrolloff
-  set scrolloff=3       " Show next 3 lines while scrolling.
-endif
-if !&sidescrolloff
-  set sidescrolloff=5   " Show next 5 columns while side-scrolling.
-endif
-set nostartofline       " Do not jump to first character with page commands.
-
-set ignorecase          " Make searching case insensitive
-set smartcase           " ... unless the query has capital letters.
-set magic               " Use 'magic' patterns (extended regular expressions).
-set autoread            " Autoload file if it changes on disk
-set termguicolors       " Enable colors for terminal
-set fileformat=unix
-set inccommand=split
-set switchbuf=useopen
-
-set backspace=indent,eol,start
-set completeopt=menu,noselect,preview,noinsert
-" Required for vim-workspace
-" See https://github.com/thaerkh/vim-workspace/issues/11
-set sessionoptions-=blank
+set wildignore=*.o,*.obj,*~,*.exe,*.a,*.pdb,*.lib
+set wildignore+=__pycache__,.stversions,*.spl,*.out,%*
+set wildignore+=*.so,*.dll,*.swp,*.egg,*.jar,*.class,*.pyc,*.pyo,*.bin,*.dex
+set wildignore+=*.zip,*.7z,*.rar,*.gz,*.tar,*.gzip,*.bz2,*.tgz,*.xz
+set wildignore+=*DS_Store*,*.ipch
+set wildignore+=*.gem
+set wildignore+=*.png,*.jpg,*.gif,*.bmp,*.tga,*.pcx,*.ppm,*.img,*.iso
+set wildignore+=*.so,*.swp,*.zip,*/.Trash/**,*.pdf,*.dmg,*/.rbenv/**
+set wildignore+=*/.nx/**,*.app,*.git,.git
+set wildignore+=*.wav,*.mp3,*.ogg,*.pcm
+set wildignore+=*.mht,*.suo,*.sdf,*.jnlp
+set wildignore+=*.chm,*.epub,*.pdf,*.mobi,*.ttf
+set wildignore+=*.mp4,*.avi,*.flv,*.mov,*.mkv,*.swf,*.swc
+set wildignore+=*.ppt,*.pptx,*.docx,*.xlt,*.xls,*.xlsx,*.odt,*.wps
+set wildignore+=*.msi,*.crx,*.deb,*.vfd,*.apk,*.ipa,*.bin,*.msu
+set wildignore+=*.gba,*.sfc,*.078,*.nds,*.smd,*.smc
+set wildignore+=*.linux2,*.win32,*.darwin,*.freebsd,*.linux,*.android
 
 " Disable providers we do not give a shit about
 let g:loaded_python_provider = 0

nvim/.config/nvim/init.vim

@@ -21,7 +21,7 @@ Plug 'wellle/tmux-complete.vim'
 " Git support
 Plug 'lambdalisue/gina.vim'
 Plug 'airblade/vim-gitgutter'
-Plug 'rhysd/git-messenger.vim'
+Plug 'rhysd/git-messenger.vim', { 'on': 'GitMessenger' }
 Plug 'rhysd/conflict-marker.vim'
 Plug 'whiteinge/diffconflicts'
 Plug 'salcode/vim-interactive-rebase-reverse'
@@ -39,7 +39,6 @@ Plug 'hauleth/asyncdo.vim'
 Plug 'ronakg/quickr-cscope.vim'
 Plug 'stefandtw/quickfix-reflector.vim'
 Plug 'milkypostman/vim-togglelist'
-Plug 'skywind3000/vim-quickui'
 Plug 'yssl/QFEnter'
 " Text Object plugins
 Plug 'kana/vim-textobj-user'
@@ -74,7 +73,7 @@ Plug 'Twinside/vim-hoogle', { 'for': 'haskell' }
 Plug 'godlygeek/tabular', { 'for': 'haskell' }
 Plug 'ndmitchell/ghcid', { 'rtp': 'plugins/nvim' }
 " Rust
-Plug 'rust-lang/rust.vim'
+Plug 'rust-lang/rust.vim', { 'for': 'rust' }
 Plug 'sebastianmarkow/deoplete-rust', { 'for': 'rust' }
 " Purescript
 Plug 'purescript-contrib/purescript-vim'

nvim/.config/nvim/plugin_settings.vim

@@ -10,17 +10,6 @@ let g:gitgutter_sign_removed = '-r'
 let g:gitgutter_sign_removed_first_line = '^^'
 let g:gitgutter_sign_modified_removed = 'mr'
 
-" Neomake
-" When compilation is done, open the Location list or quickfix list
-" Value of 2 preserves cursor position
-let g:neomake_open_list = 2
-let g:neomake_warning_sign = {'text': '?'}
-let g:neomake_c_enabled_makers = ['gcc']
-let g:neomake_c_gcc_maker = {
-      \ 'exe': 'gcc',
-      \ 'args': ['-Wall', '-Iinclude', '-Wextra', '-Weverything', '-pedantic', '-Wno-sign-conversion'],
-      \ }
-
 " Automatically detect style file and apply style to formatting
 let g:clang_format#detect_style_file = 1
 " Fix tab behaviour while switching through completion options
@@ -63,16 +52,6 @@ let g:floaterm_height        = 0.8
 let g:floaterm_winblend      = 0
 let g:floaterm_borderchars   = ['─', '│', '─', '│', '╭', '╮', '╯', '╰']
 
-" Vim grepper
-let g:grepper               = {}
-let g:grepper.tools         = ['rg']
-let g:grepper.quickfix      = 1
-let g:grepper.buffer        = 0
-let g:grepper.buffers       = 0
-let g:grepper.switch        = 0
-let g:grepper.append        = 0
-let g:grepper.prompt        = 0
-
 " Incremental search
 let g:incsearch#auto_nohlsearch = 1