.vimrc

.vimrc

set nocompatible
filetype off

call plug#begin('~/.vim/plugged')

Plug 'nvim-tree/nvim-web-devicons' "NvimTree icons
Plug 'tpope/vim-surround' "Surround everything
Plug 'tpope/vim-commentary' "Commenting lines and blocks
Plug 'majutsushi/tagbar' "Class/module browser 
Plug 'EdenEast/nightfox.nvim' "Colortheme
Plug 'chr4/nginx.vim' "Nginx config highlighting
Plug 'ekalinin/Dockerfile.vim' "Dockerfile syntax coloring
Plug 'stephpy/vim-yaml' "Yaml syntax hightlighting
Plug 'neovim/nvim-lspconfig' "Nvim LSP support plugin
Plug 'Pocco81/auto-save.nvim' "Auto saver
Plug 'nvim-treesitter/nvim-treesitter' "Enhanced syntax highlighting
Plug 'junegunn/fzf', { 'dir': '~/.fzf' }
Plug 'junegunn/fzf.vim' " Fuzzy finder

call plug#end()

" General
filetype plugin on
filetype indent on

function! Tab4Mode()
  set tabstop=4     " Size of a hard tabstop (ts).
  set shiftwidth=4  " Size of an indentation (sw).
  set expandtab   	" Always uses spaces instead of tab characters (noet).
  set smarttab      " Inserts blanks on a <Tab> key (as per sw, ts and sts).
  set autoindent    " Copy indent from current line when starting a new line (ai).
  echo "4 tabs mode enabled"
endfunction

function! Space2Mode()
  set tabstop=2     " Size of a hard tabstop (ts).
  set shiftwidth=2  " Size of an indentation (sw).
  set expandtab     " Always uses spaces instead of tab characters (et).
  set softtabstop=0 " Number of spaces a <Tab> counts for. When 0, featuer is off (sts).
  set autoindent    " Copy indent from current line when starting a new line.
  set smarttab      " Inserts blanks on a <Tab> key (as per sw, ts and sts).
  echo "2 spaces mode enabled"
endfunction

function! IToggle()
  if &tabstop == 4
    call Space2Mode()
  else
    call Tab4Mode()
  endif
endfunction

autocmd FileType python call Tab4Mode()
autocmd FileType cpp call Space2Mode()

nmap <F9> mz:execute IToggle() <CR>

set regexpengine=1
set cursorline

set lazyredraw "buffer screen updates
set ttyfast "smooth scroll

syntax on
set encoding=utf-8 "default encoding setting
set number "line numbering
set incsearch "incrementable search
set hlsearch "highlight search results
set backspace=indent,eol,start "backspace behavior
set scrolloff=5  "5 strings per scroll at a time 
set ls=2 "status bar always on
set mouse=a "enable mouse

" TextEdit might fail if hidden is not set.
set hidden
set background=dark

" Some servers have issues with backup files, see #649.
set nobackup
set nowritebackup

" Having longer updatetime (default is 4000ms = 4s) leads to noticeable
" delays and poor user experience.
set updatetime=300

" Don't pass messages to |ins-completion-menu|.
set shortmess+=c

let g:python3_host_prog = '/usr/local/bin/python3'

"mapping Save to F2
inoremap <F2> <Esc>:update<CR> 
nnoremap <F2> :update<CR>
vnoremap <F2> <Esc>:update<CR>

"mapping to move between windows a little easier
map <C-h> <C-w>h
map <C-j> <C-w>j
map <C-k> <C-w>k
map <C-l> <C-w>l

"color settings
set t_Co=256

if &term =~# '^screen' " :h xterm-true-colors
    let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
    let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
endif

if (has("termguicolors"))
	set termguicolors
endif

colorscheme nightfox

set pastetoggle=<F5>
set nofixeol

"TagBar settings
map <F4> :TagbarToggle<CR>

"Airline
let g:airline_section_c = '%F' "full path in airline statusline

ino <silent><expr> <Esc>   pumvisible() ? "\<C-e><Esc>" : "\<Esc>"
ino <silent><expr> <C-c>   pumvisible() ? "\<C-e><C-c>" : "\<C-c>"
ino <silent><expr> <BS>    pumvisible() ? "\<C-e><BS>"  : "\<BS>"
ino <silent><expr> <CR>    pumvisible() ? (complete_info().selected == -1 ? "\<C-e><CR>" : "\<C-y>") : "\<CR>"

"nvim-lspconfig
:lua << EOF

local conf = require("lspconfig")
local autosave = require("auto-save")
local treesitter = require("nvim-treesitter.configs")

local on_attach = function(client, bufnr)

	local buf_set_keymap = function(...)
      	    vim.api.nvim_buf_set_keymap(bufnr, ...)
	end

	local buf_set_option = function(...)
	    vim.api.nvim_buf_set_option(bufnr, ...)
	end

    -- Enable completion triggered by <c-x><c-o>
    buf_set_option("omnifunc", "v:lua.vim.lsp.omnifunc")
    
    -- Mappings
    local opts = { noremap=true, silent=true }

    -- See `:help vim.lsp.*` for documentation on any of the below functions
    buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
    buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
    buf_set_keymap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
    buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
    buf_set_keymap('n', '<C-m>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
    buf_set_keymap('n', 'ge', '<cmd>lua vim.diagnostic.open_float({"line"})<CR>', opts)
    buf_set_keymap('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<CR>', opts)
    buf_set_keymap('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<CR>', opts)
end

servers = {"pyright", "clangd"};

for _, lsp in ipairs(servers) do
	conf[lsp].setup {on_attach = on_attach}
end

autosave.setup {
  enabled = true,
  execution_message  = {
            message = function() -- message to print on save
              return (vim.fn.expand('%:p') .. " saved at " .. vim.fn.strftime("%H:%M:%S"))
            end,
            dim = 0.1,
            cleaning_interval = 1000
  }
}

treesitter.setup {
  highlight = {
    enable = true,
    -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
    -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
    -- Using this option may slow down your editor, and you may see some duplicate highlights.
    -- Instead of true it can also be a list of languages
    additional_vim_regex_highlighting = false,
  },
}

-- less verbose diagnostic messages
vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
    vim.lsp.diagnostic.on_publish_diagnostics, {
	    underline = true,
	    virtual_text = false,
	    signs = false,
	    update_in_insert = true,
    }
)

EOF

set completeopt=menuone,noselect,noinsert
inoremap <S-Tab> <C-x><C-o>
nnoremap <S-f> :Rg<CR>


hi NonText cterm=NONE ctermfg=NONE