nixos-config/home-manager/modules/neovim.nix

252 lines
6.9 KiB
Nix

{ pkgs, ... }:
{
programs.neovim = {
enable = true;
withPython3 = true;
extraPackages = with pkgs; [
nil
nixpkgs-fmt
gopls
pyright
(python3.withPackages (ps: with ps; [
black
flake8
pylint
jedi
]))
];
vimAlias = true;
plugins = with pkgs.vimPlugins; [
# Nice statusbar at the bottom
vim-airline
# Autoformatter for 'all' languages
neoformat
# Colorscheme
papercolor-theme
# Better support for netrw
vim-vinegar
# Bar at the top for all open buffers
bufferline-nvim
# git diff icons on the left sidebar
vim-gitgutter
# blockcomments
tcomment_vim
# Nix support
vim-nix
# Go plugin from fatih
vim-go
# markdown
vim-markdown
tabular
# lsp and completion
nvim-lspconfig
nvim-cmp
cmp-nvim-lsp
cmp-buffer
conflict-marker-vim
];
extraConfig = ''
set nocompatible
set mouse=a
set termguicolors
set background=dark
set number
set laststatus=2
colorscheme PaperColor
set hlsearch
set tabstop=4
set shiftwidth=4
set softtabstop=4
set expandtab
set cursorline
set scrolloff=5
let mapleader = ","
set ignorecase
set smartcase
set colorcolumn=120
set textwidth=120
set nowrap
" Autosave when focus is lost
:au FocusLost * :wa
" sync copy/paste buffer from vim with system buffer
set clipboard^=unnamed
""Hotkeys
set pastetoggle=<F10>
nnoremap <silent><cr> :nohlsearch<CR>
inoremap jj <Esc>
" Faster tab switching
map <Tab> :bnext<cr>
map <S-Tab> :bprevious<cr>
" easier moving of code blocks
set hidden
vnoremap < <gv
vnoremap > >gv
" Permanent undo history
set dir=~/.tmp/
set backupdir=~/.tmp/bak
if v:version >= 703
set undodir=~/.tmp/
set undofile
set undolevels=100
set undoreload=1000
endif
" Always show the signcolumn, otherwise it would shift the text each time
" diagnostics appear/become resolved
set signcolumn=yes
" dont start with a fully folded document
set nofoldenable
" Remember cursor position
autocmd BufReadPost *
\ if line("'\"") > 0 && line("'\"") <= line("$") |
\ exe "normal! g`\"" |
\ endif
" vim-go
au FileType go nmap <leader>r <Plug>(go-run)
au FileType go nmap <leader>b <Plug>(go-build)
au FileType go nmap <leader>t <Plug>(go-test)
let g:go_highlight_functions = 1
let g:go_highlight_methods = 1
let g:go_highlight_fields = 1
let g:go_highlight_types = 1
let g:go_highlight_operators = 1
let g:go_highlight_build_constraints = 1
" Don't use gopls from vim-go
let g:go_gopls_enabled = 0
" neoformat
let g:neoformat_python_black = { 'args': ['-l 120'] }
lua << EOF
require("bufferline").setup{}
require('lspconfig').gopls.setup{}
require('lspconfig').pyright.setup{}
vim.api.nvim_create_autocmd('LspAttach', {
desc = 'LSP actions',
callback = function()
local bufmap = function(mode, lhs, rhs)
local opts = {buffer = true}
vim.keymap.set(mode, lhs, rhs, opts)
end
-- Displays hover information about the symbol under the cursor
bufmap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<cr>')
-- Jump to the definition
bufmap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<cr>')
-- Jump to declaration
bufmap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<cr>')
-- Lists all the implementations for the symbol under the cursor
bufmap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<cr>')
-- Jumps to the definition of the type symbol
bufmap('n', 'go', '<cmd>lua vim.lsp.buf.type_definition()<cr>')
-- Lists all the references
bufmap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<cr>')
-- Displays a function's signature information
bufmap('n', 'gs', '<cmd>lua vim.lsp.buf.signature_help()<cr>')
-- Renames all references to the symbol under the cursor
bufmap('n', '<F2>', '<cmd>lua vim.lsp.buf.rename()<cr>')
-- Selects a code action available at the current cursor position
bufmap('n', '<F4>', '<cmd>lua vim.lsp.buf.code_action()<cr>')
bufmap('x', '<F4>', '<cmd>lua vim.lsp.buf.range_code_action()<cr>')
-- Show diagnostics in a floating window
bufmap('n', 'gl', '<cmd>lua vim.diagnostic.open_float()<cr>')
-- Move to the previous diagnostic
bufmap('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<cr>')
-- Move to the next diagnostic
bufmap('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<cr>')
end
})
vim.opt.completeopt = {'menu', 'menuone', 'noselect'}
local cmp = require('cmp')
local select_opts = {behavior = cmp.SelectBehavior.Select}
cmp.setup({
sources = {
{name = 'path'},
{name = 'nvim_lsp', keyword_length = 1},
{name = 'buffer', keyword_length = 3},
{name = 'luasnip', keyword_length = 2},
},
window = {
documentation = cmp.config.window.bordered()
},
formatting = {
fields = {'menu', 'abbr', 'kind'}
},
mapping = {
['<CR>'] = cmp.mapping.confirm({select = false}),
['<Up>'] = cmp.mapping.select_prev_item(select_opts),
['<Down>'] = cmp.mapping.select_next_item(select_opts),
['<C-p>'] = cmp.mapping.select_prev_item(select_opts),
['<C-n>'] = cmp.mapping.select_next_item(select_opts),
['<C-u>'] = cmp.mapping.scroll_docs(-4),
['<C-d>'] = cmp.mapping.scroll_docs(4),
['<C-e>'] = cmp.mapping.abort(),
['<C-y>'] = cmp.mapping.confirm({select = true}),
['<CR>'] = cmp.mapping.confirm({select = false}),
['<Tab>'] = cmp.mapping(function(fallback)
local col = vim.fn.col('.') - 1
if cmp.visible() then
cmp.select_next_item(select_opts)
elseif col == 0 or vim.fn.getline('.'):sub(col, col):match('%s') then
fallback()
else
cmp.complete()
end
end, {'i', 's'}),
['<S-Tab>'] = cmp.mapping(function(fallback)
if cmp.visible() then
cmp.select_prev_item(select_opts)
else
fallback()
end
end, {'i', 's'}),
}
})
EOF
'';
};
}