dotfiles/nvim/init.vim

" Colors {{{
color molokai
let g:rehash256 = 1
" }}}

" Functions {{{
" Removes trailing spaces {{{
function TrimWhiteSpace()
	%s/\s\+$//
	''
endfunction
" }}}

" Jump to alternate file {{{
function JumpToAlternate()
	let l:curr_path = expand("%:h")
	let l:basename = expand("%:t")
	if stridx(basename, "test_") == 0
		let l:new_file = l:basename[5:strlen(l:basename)]
	else
		let l:new_file = "test_" . l:basename
	endif
	let l:new_file = l:curr_path . '/' . l:new_file		" WARN: Unixism
	let l:buffer = bufnr(l:new_file)
	if l:buffer == -1
		exe 'tabe ' .l:new_file
	else
		call win_gotoid(get(win_findbuf(l:buffer), 0))
	endif
endfunction
" }}}
" }}}

" Settings for all files {{{
set cursorline							" highlight the line in which the cursor is
set foldmethod=marker					" folding will use markers
set nowrap								" instead of wrapping the text to the next line, scroll left and right
set laststatus=2						" Always display the status line
set showtabline=2						" Always display the tab bar
let mapleader=" "						" Leader (special character for plugins) is Space

let g:rainbow_active = 1				" This is part of the Rainbow brackets, enabling it globally.
" }}}

" Mappings {{{
nnoremap - :Ex<CR>
nnoremap <silent> <leader>c :call TrimWhiteSpace()<CR>
" nnoremap <leader>] <c-w>g<c-]>
" }}}

" Plugin configuration {{{
" Airline {{{
let g:airline_theme='minimalist'
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#show_buffers = 0
let g:airline#extensions#tabline#show_close_button = 0
let g:airline#extensions#tabline#formatter = 'unique_tail'
" }}}

" Skim {{{
nmap <silent> <Leader><Space> :SK<CR>
" }}}

" Polyglot {{{
" let g:polyglot_disabled = ["csv"]
let g:polyglot_disabled = ['sensible', 'csv']
" }}}

" LanguageClient {{{
let g:LanguageClient_serverCommands = {
			\ 'rust': ['rust-analyzer'],
			\ 'python': ['pyls'],
			\ }
nnoremap <silent> <leader>] :call LanguageClient#textDocument_definition()<CR>
nnoremap <silent> <leader>k :call LanguageClient#textDocument_hover()<CR>
nnoremap <silent> <leader>r :call LanguageClient#textDocument_rename()<CR>
nnoremap <silent> <leader>f :call LanguageClient#textDocument_codeAction()<CR>
nnoremap <silent> <leader>? :call LanguageClient#explainErrorAtPoint()<CR>
" }}}

" }}}

" Filetype specific configurations {{{
" Vim files {{{
au FileType vim setlocal noexpandtab		" use real tabs
au FileType vim setlocal tabstop=4			" display tabs as 4 spaces
au FileType vim setlocal shiftwidth=4		" Use 4 spaces when auto-indenting
" }}}

" Python {{{
au FileType python setlocal number							" show line numbers
au FileType python setlocal expandtab						" use spaces instead of tabs
au FileType python setlocal tabstop=4						" number of spaces to use for indentation
au FileType python setlocal shiftwidth=4					" number of spaces to use for auto-indentation
au FileType python setlocal softtabstop=4					" when deleting characters, consider 4 spaces as a tab
au FileType python setlocal textwidth=79					" max line size
au FileType python setlocal colorcolumn=80					" put a margin indicator
au FileType python au BufWritePre <buffer> %s/\s\+$//e		" When saving a Python file, remove tailing spaces
au FileType python nmap <silent> <Leader>a :call JumpToAlternate()<CR>

" Shortcut to add pylint disables
au FileType python iab lint # pylint: disable
au FileType python iab defmain def main():<CR>""""""<CR><CR><BS>if __name__ == '__main__':<CR>main()
" }}}

" CSV files {{{
au FileType csv setlocal list								" Display special characters, like tabs (for TSV files)
" }}}

" Rust {{{

let g:rustfmt_autosave = 1									" Apply `rustfmt` when saving the file.

au FileType rust setlocal number							" show line numbers
au FileType rust setlocal expandtab							" use spaces instead of tabs
au FileType rust setlocal tabstop=4							" number of spaces to use for indentation
au FileType rust setlocal shiftwidth=4						" number of spaces to use for auto-indentation
au FileType rust setlocal softtabstop=4						" when deleting characters, consider 4 spaces as a tab
au FileType rust setlocal textwidth=79						" max line size
au FileType rust setlocal colorcolumn=80					" put a margin indicator
" }}}

" Markdown {{{
au FileType markdown setlocal iskeyword+=:	" this is kinda of a "hack" to make abbr accept ":" in them
" This is a long abbreviation, but:
" Most of it is simply text, with linebreaks (<CR>).
" There is one thing to take care, though: <CR> is NOT <C-R>.
" <C-R> will call the function (strftime), which will insert the current
" date.
au FileType markdown iab <silent> :header +++<CR>title = ""<CR>date = <C-R>=strftime('%Y-%m-%d')<CR><CR><CR>[taxonomies]<CR>tags = [""]<CR>+++<C-O>5k<C-O>6l
" This abbreviation adds a modeline to set VIM to change the spell
" lang to portuguese.
au FileType markdown iab :pt <!--<CR>vim:spelllang=pt:<CR>-->
au FileType markdown iab :date <C-R>=strftime('%Y-%m-%d')

au FileType markdown setlocal spell			" enable spell checking
au FileType markdown setlocal textwidth=79	" max line size
au FileType markdown setlocal expandtab		" use spaces instead of tabs
" }}}

" Shell {{{
au FileType sh setlocal tabstop=4			" display tabs as 4 spaces
au FileType sh setlocal shiftwidth=4		" number of spaces to use for auto-indentation
au FileType sh setlocal softtabstop=4		" when deleting characters, consider 4 spaces as a tab
" }}}
" }}}

" GUI configuration {{{
set guifont=Cascadia\ Mono:h40
let g:neovide_no_idle=v:true
let g:neovide_fullscreen=v:true
let g:neovide_cursor_antialiasing=v:true
let g:neovide_cursor_animation_length=0.05
" }}}