vimrc

" Krishna's configurations

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""""""""""PLUGINS"""""""""""""
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    call plug#begin('~/.config/nvim/plugged')    
	Plug 'doums/darcula'
	Plug 'lervag/vimtex'
	Plug '907th/vim-auto-save'
	Plug 'francoiscabrol/ranger.vim'
	Plug 'SirVer/ultisnips'
	Plug 'honza/vim-snippets'
    Plug 'arcticicestudio/nord-vim'
    "Plug 'vimwiki/vimwiki'
	"Plug 'dylanaraps/wal.vim'
	"Plug 'rbgrouleff/bclose.vim' 
	call plug#end()


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"""""""""""COLORS"""""""""""""
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    " colorscheme darcula
	colorscheme nord
	set termguicolors

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"""""""Basic Settings"""""""""
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    set nocompatible
    filetype plugin on
    syntax on
    let mapleader =";"
	let maplocalleader = ";;"

	" Allow non-case-sensitive case when using only lowercase
    set ignorecase
    set smartcase

	" Turn on line numbers and relative number
    set number relativenumber

	" Time in milliseconds that is waited for a mapped sequence to complete.
    set timeoutlen=400

	" Enable autocompletion:
    set wildmode=longest,list,full

	" Highlight Search
    set hlsearch

	" disable swaps and backups
    set nobackup
    set noswapfile
    
	" indentation with 2 or 4 spaces
	set noexpandtab     " use spaces instead of tabs
	set autoindent      " autoindent based on line above
	set smartindent     " smarter indent for C-like languages
	set shiftwidth=4    " when using Shift + > or <
	set softtabstop=4   " in insert mode
	set tabstop=4       " set the space occupied by a regular tabset autoindent
	set linebreak breakindent "break line at 'break' character and indent to line indent
	
	" allow mouse wheel movement
    set mouse=a

	" Change SpellBad to red and underlined
    hi clear SpellBad
    hi SpellBad cterm=underline ctermfg=red
    hi clear SpellCap
    hi SpellCap cterm=underline ctermfg=green

	" Disable automatic commenting on newline:
    autocmd Filetype * setlocal formatoptions-=c formatoptions-=r formatoptions-=o
	
	" set text width
	au FileType text setlocal textwidth=78


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""""""""""MAPPINGS""""""""""""
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" Key Mappings
    noremap <Down>		<NOP>
    noremap <Up>		<NOP>
    noremap <Left>		<NOP>
    noremap <Right>		<NOP>

" Tabs
    nnoremap <leader>tl			:tabnext<CR>
	nnoremap <leader>th			:tabprev<CR>
	nnoremap <leader>tn			:tabnew<CR>
	nnoremap <leader>tt			<C-w>T

" Buffers
    nnoremap <leader>ls			:ls<CR>
    nnoremap <leader>bp			:bp<CR>
    nnoremap <leader>bn			:bn<CR>
    nnoremap <leader>bd			:bd<CR>
    nnoremap <leader>ba			:ba<CR>

" Windows
    nnoremap <leader>wv			<C-w>v
	nnoremap <leader>ws			<C-w>s
    nnoremap <leader>wc			:close<CR>
    nnoremap <leader>wo			<C-w>o

" Esc
	au VimEnter * silent! !xmodmap -e 'clear Lock' -e 'keycode 0x42 = Escape'
    au VimLeave * silent! !xmodmap -e 'clear Lock' -e 'keycode 0x42 = Caps_Lock'

" Splits open at bottom and right
    set splitright splitbelow 

" Shortcutting split navigation:
	map <C-h> <C-w>h
    map <C-k> <C-w>k
    map <C-j> <C-w>j
    map <C-l> <C-w>l

" stop c and s from yanking
    nnoremap c "_c
    xnoremap c "_c
    nnoremap s "_s
    xnoremap s "_s

"" vimwiki: set syntax to markdown
"    let g:vimwiki_list = [{'path': '~/vimwiki', 'syntax': 'markdown', 'ext': '.md'}] 
"

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"""""""""""netrw""""""""""""""
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	" netrw settings
	let g:netrw_liststyle = 3
	let g:netrw_banner = 0
	let g:netrw_browse_split = 3	

	augroup netrw_mapping
	    autocmd!
	    autocmd filetype netrw call NetrwMapping()
	augroup END

	" netrw mappings are local to the buffer; add autocommand to automatically
	" call a function whenever entering a buffer whose filetype is netrw
	function! NetrwMapping()
		noremap <buffer> tl :tabnext<CR>
		noremap <buffer> th :tabprev<CR>
		noremap <buffer> tn :tabnew<CR>
	endfunction

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"""""""""""vimtex"""""""""""""
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	" vimtex settings
	
	hi clear Conceal
	let g:vimtex_compiler_progname = 'nvr'
	let g:tex_flavor='latex'
	let g:vimtex_view_method='zathura'
	let g:vimtex_quickfix_mode=0
	set conceallevel=1
	let g:tex_conceal='abdmgs'
	let g:vimtex_view_skim_reading_bar = 0
	let g:vimtex_compiler_latexmk = {
        \ 'background' : 1,
        \ 'build_dir' : '',
        \ 'callback' : 1,
        \ 'continuous' : 1,
        \ 'executable' : 'latexmk',
        \ 'hooks' : [],
        \ 'options' : [
        \   '-verbose',
        \   '-file-line-error',
        \   '-synctex=1',
        \   '-interaction=nonstopmode',
        \ ],
        \}

	" vim-auto-save for tex files only
	let g:auto_save = 0
	augroup ft_tex
	  au!
	  au FileType tex let b:auto_save = 1
	augroup END

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"""""""""UltiSnips""""""""""""
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	" UltiSnips settings
	let g:UltiSnipsExpandTrigger= "<tab>"

	" Use tab to switch to the next trigger point, shift+tab to previous trigger point
	let g:UltiSnipsJumpForwardTrigger = "<C-j>"
	let g:UltiSnipsJumpBackwardTrigger = "<C-k>"

	" Open UltiSnipsEdit in vertical split
	let g:UltiSnipsEditSplit = "tabdo"

	" Set UltiSnips directories for new snippets and where to look for snippets 
	" TODO: RESOLVE HOW TO SET NEW SNIPPETS AND WHERE TO SCAN FOR ALREADY EST. SNIPPETS
	" set runtimepath+=~/.config/nvim/plugged/
	" set runtimepath+=~/.config/nvim/
	"let g:UltiSnipsSnippetStorageDir=[$HOME.'/.config/nvim/krish_snippets/UltiSnips/']
	let g:UltiSnipsSnippetDirectories=['krish_snippets', '/home/krish/.config/nvim/plugged/vim-snippets/UltiSnips/'] " , '/home/krish/.config/nvim/plugged/vim-snippets/snippets/']

	" UltiSnips KeyMapping
	noremap <leader>ue	:UltiSnipsEdit