refactor: convert init.vim to init.lua

1 files changed, 138 insertions, 0 deletions

diff --git a/.config/nvim/init.lua b/.config/nvim/init.lua
new file mode 100644
index 0000000..b34c5e2
--- /dev/null
+++ b/.config/nvim/init.lua
@@ -0,0 +1,138 @@
+-- init.lua
+
+-- Use System Clipboard
+vim.opt.clipboard = "unnamedplus"
+
+-- Basic run commands
+vim.cmd("colorscheme tender")
+vim.cmd("filetype plugin on")
+vim.cmd("syntax on")
+vim.opt.number = true
+vim.opt.relativenumber = true
+vim.opt.cursorline = true
+vim.cmd("highlight Cursorline cterm=bold ctermbg=black")
+vim.cmd("filetype indent on")
+vim.opt.mouse = "a"
+vim.opt.hlsearch = true
+vim.opt.autochdir = true
+
+-- Enable smartcase search sensitivity
+vim.opt.ignorecase = true
+vim.opt.smartcase = true
+
+-- Indentation using spaces
+-- tabstop: width of tab character
+-- softtabstop: fine tunes the amount of whitespace to be added
+-- shiftwidth: determines the amount of whitespace to add in normal mode
+-- expandtab: when on use space instead of tab
+-- textwidth: text wrap width
+-- autoindent: autoindent in new line
+vim.opt.tabstop = 4
+vim.opt.softtabstop = 4
+vim.opt.shiftwidth = 4
+-- vim.opt.textwidth = 79
+vim.opt.expandtab = true
+vim.opt.autoindent = true
+
+-- Show the matching part of pairs [] {} and ()
+vim.opt.showmatch = true
+
+-- Remove trailing whitespace from Python and Fortran files
+vim.api.nvim_exec([[
+  autocmd BufWritePre *.py :%s/\s\+$//e
+  autocmd BufWritePre *.f90 :%s/\s\+$//e
+  autocmd BufWritePre *.f95 :%s/\s\+$//e
+  autocmd BufWritePre *.for :%s/\s\+$//e
+]], false)
+
+if vim.fn.has('gui_running') == 1 then
+  vim.opt.t_Co = 256
+  vim.opt.guifont = "JetBrains Mono 11"
+  vim.opt.guioptions:remove("m")
+  vim.opt.guioptions:remove("T")
+  vim.opt.guioptions:remove("r")
+  vim.opt.guioptions:remove("L")
+  vim.cmd("colorscheme tender")
+end
+
+-- Enable true colors support
+vim.opt.termguicolors = true
+
+if vim.env.TERM == "alacritty" then
+  vim.opt.ttymouse = "sgr"
+end
+
+-- Keybinds for x clipboard
+vim.api.nvim_set_keymap("v", "<C-c>", '"+y', {})
+vim.api.nvim_set_keymap("v", "<C-x>", '"+x', {})
+vim.api.nvim_set_keymap("n", "<C-p>", '"+p', {})
+vim.api.nvim_set_keymap("n", "<Leader>p", '"+P', {})
+
+-- Vertical Motions Mappings
+vim.api.nvim_set_keymap("n", "<C-d>", "<C-d>zz", { noremap = true })
+vim.api.nvim_set_keymap("n", "<C-u>", "<C-u>zz", { noremap = true })
+vim.api.nvim_set_keymap("n", "n", "nzzzv", { noremap = true })
+vim.api.nvim_set_keymap("n", "N", "Nzzzv", { noremap = true })
+
+-- NERDTree Keybinds
+vim.api.nvim_set_keymap("n", "<leader>n", ":NERDTreeFocus<CR>", { noremap = true })
+vim.api.nvim_set_keymap("n", "<C-n>", ":NERDTree<CR>", { noremap = true })
+vim.api.nvim_set_keymap("n", "<C-t>", ":NERDTreeToggle<CR>", { noremap = true })
+vim.api.nvim_set_keymap("n", "<C-f>", ":NERDTreeFind<CR>", { noremap = true })
+
+-- Plugin manager (vim-plug)
+vim.cmd [[
+  call plug#begin('~/.vim/plugged')
+  Plug 'preservim/nerdtree', { 'on': 'NERDTreeToggle' }
+  " Plug 'LunarWatcher/auto-pairs'
+  Plug 'tmsvg/pear-tree'
+  Plug 'adelarsq/vim-matchit'
+  Plug 'neoclide/coc.nvim', { 'branch': 'release' }
+  Plug 'tpope/vim-surround'
+  Plug 'junegunn/fzf'
+  call plug#end()
+]]
+
+-- Use a line cursor within insert mode and a block cursor everywhere else.
+-- Reference chart of values:
+--   Ps = 0  -> blinking block.
+--   Ps = 1  -> blinking block (default).
+--   Ps = 2  -> steady block.
+--   Ps = 3  -> blinking underline.
+--   Ps = 4  -> steady underline.
+--   Ps = 5  -> blinking bar (xterm).
+--   Ps = 6  -> steady bar (xterm).
+vim.g.t_SI = "\27[6 q"
+vim.g.t_EI = "\27[2 q"
+
+-- Fix the cursor change timeout between insert and normal mode (see function above)
+vim.opt.ttimeout = true
+vim.opt.ttimeoutlen = 1
+vim.opt.listchars = { tab = ">-", trail = "~", extends = ">", precedes = "<", space = "." }
+vim.opt.ttyfast = true
+
+-- Tab Autocompletion for COC.NVIM
+local function check_back_space()
+  local col = vim.fn.col(".") - 1
+  return col == 0 or vim.fn.getline("."):sub(col, col):match("%s") ~= nil
+end
+
+vim.api.nvim_set_keymap("i", "<Tab>", "pumvisible() ? '<C-n>' : v:lua.check_back_space() ? '<Tab>' : '<Cmd>refresh()<CR>'", { expr = true, noremap = true })
+vim.api.nvim_set_keymap("i", "<S-Tab>", "pumvisible() ? '<C-p>' : '<C-h>'", { expr = true, noremap = true })
+
+-- COC.NVIM colors
+vim.cmd("highlight CocFloating ctermbg=0")
+vim.cmd("highlight CocErrorFloat ctermfg=15")
+
+-- Customize split dividers
+vim.opt.fillchars = vim.opt.fillchars + {
+  vert = "█",
+  fold = "█",
+  diff = "█",
+  stl = "=",
+  stlnc = "=",
+  stl = "="
+}
+vim.cmd("highlight VertSplit ctermfg=235 guifg=#3c3836")
+vim.cmd("highlight StatusLine ctermfg=black ctermbg=lightgray")
+vim.cmd("highlight StatusLineNC ctermfg=darkgray ctermbg=lightgray")