vimrc

" ===
" === System
" ===
set nocompatible
filetype on
filetype indent on
filetype plugin on
filetype plugin indent on
set mouse=a
set encoding=utf-8

set clipboard=unnamed

" Prevent incorrect backgroung rendering
let &t_ut=''

" ===
" === Main code display
" ===
set number
set relativenumber
set ruler
set cursorline
syntax enable
syntax on

" ===
" === Editor behavior
" ===
" Better tab
set expandtab
set tabstop=2
set shiftwidth=2
set softtabstop=2
set list
set listchars=tab:▸\ ,trail:▫
set scrolloff=5

" Prevent auto line split
set wrap
set tw=0

set indentexpr=
" Better backspace
set backspace=indent,eol,start

set foldmethod=indent
set foldlevel=99

let &t_SI = "\<Esc>]50;CursorShape=1\x7"
let &t_SR = "\<Esc>]50;CursorShape=2\x7"
let &t_EI = "\<Esc>]50;CursorShape=0\x7"

" ===
" === Window behaviors
" ===
set splitright
set splitbelow

" ===
" === Status/command bar
" ===
set laststatus=2
set autochdir
set showcmd
set formatoptions-=tc

" Show command autocomplete
set wildignore=log/**,node_modules/**,target/**,tmp/**,*.rbc
set wildmenu                                                 " show a navigable menu for tab completion
set wildmode=longest,list,full

" Searching options
set hlsearch
exec "nohlsearch"
set incsearch
set ignorecase
set smartcase


" ===
" === Restore Cursor Position
" ===
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif


" ===
" === Basic Mappings
" ===

" Set <LEADER> as <SPACE>
let mapleader=" "

" Column (:) mods
map ; :
map q; q:
map <LEADER>/ :!
map <LEADER>r :r !
map <LEADER>sr :%s/

" Save & quit
map Q :q<CR>
map S :w<CR>

" Open the vimrc file anytime
map <LEADER>rc :e ~/.vim/vimrc<CR>

" Undo operations
noremap l u
" Undo in Insert mode
inoremap <C-l> <C-u>

" Insert Key
noremap k i
noremap K I

" Copy to system clipboard
vnoremap Y :w !xclip -i -sel c<CR>

" Search
map <LEADER><CR> :nohlsearch<CR>
noremap = nzz
noremap - Nzz

" Duplicate words
map <LEADER>fd /\(\<\w\+\>\)\_s*\1

" Others
map <LEADER>o o<Esc>u


" ===
" === Cursor Movement
" ===
"
" New cursor movement (the default arrow keys are used for resizing windows)
"     ^
"     u
" < n   i >
"     e
"     v
noremap u k
noremap n h
noremap e j
noremap i l
" U/E keys for 5 times u/e (faster navigation)
noremap U 5k
noremap E 5j
" N key: go to the start of the line
noremap N 0
" I key: go to the end of the line
noremap I $

" Faster in-line navigation
noremap W 5w
noremap B 5b
" set h (same as n, cursor left) to 'end of word'
noremap h e

" Ctrl + U or E will move up/down the view port without moving the cursor
noremap <C-U> 5<C-y>
noremap <C-E> 5<C-e>
inoremap <C-U> <Esc>5<C-y>a
inoremap <C-E> <Esc>5<C-e>a

" Save & quit
noremap Q :q<CR>
noremap W :q!
noremap <C-q> :qa<CR>
noremap S :w<CR>
inoremap nn <esc>

" ===
" === Window management
" ===
" Use <space> + new arrow keys for moving the cursor around windows
map <LEADER>w <C-w>w
map <LEADER>u <C-w>k
map <LEADER>e <C-w>j
map <LEADER>n <C-w>h
map <LEADER>i <C-w>l
"map <LEADER>r <C-w>r

" Disabling the default s key
noremap s <nop>

" split the screens to up (horizontal), down (horizontal), left (vertical), right (vertical)
map su :set nosplitbelow<CR>:split<CR>:set splitbelow<CR>
map se :set splitbelow<CR>:split<CR>
map sn :set nosplitright<CR>:vsplit<CR>:set splitright<CR>
map si :set splitright<CR>:vsplit<CR>

" Resize splits with arrow keys
map <up> :res +5<CR>
map <down> :res -5<CR>
map <left> :vertical resize-5<CR>
map <right> :vertical resize+5<CR>

" Place the two screens up and down
noremap sh <C-w>t<C-w>K
" Place the two screens side by side
noremap sv <C-w>t<C-w>H

" Rotate screens
noremap srh <C-w>b<C-w>K
noremap srv <C-w>b<C-w>H


" ===
" === Tab management
" ===
" Create a new tab with tu
map tu :tabe<CR>
" Move around tabs with tn and ti
map tn :-tabnext<CR>
map ti :+tabnext<CR>
" Move the tabs with tmn and tmi
map tmn :-tabmove<CR>
map tmi :+tabmove<CR>


" ===
" === Other useful stuff
" ===

" Press space twice to jump to the next '<++>' and edit it
map <LEADER><LEADER> <Esc>/<++><CR>:nohlsearch<CR>c4i

" Spelling Check with <space>sc
map <LEADER>sc :set spell!<CR>
noremap <C-x> ea<C-x>s
inoremap <C-x> <Esc>ea<C-x>s

" Press ` to change case (instead of ~)
map ` ~

imap <C-c> <Esc>zza
nmap <C-c> zz

" Auto change directory to current dir
autocmd BufEnter * silent! lcd %:p:h

" Call figlet
map tx :r !figlet

" Compile function
map r :call CompileRunGcc()<CR>
func! CompileRunGcc()
  exec "w"
  if &filetype == 'c'
    exec "!g++ % -o %<"
    exec "!time ./%<"
  elseif &filetype == 'cpp'
    exec "!g++ % -o %<"
    exec "!time ./%<"
  elseif &filetype == 'java'
    exec "!javac %"
    exec "!time java %<"
  elseif &filetype == 'sh'
    :!time bash %
  elseif &filetype == 'python'
    silent! exec "!clear"
    exec "!time python3 %"
  elseif &filetype == 'html'
    exec "!firefox % &"
  elseif &filetype == 'markdown'
    exec "MarkdownPreview"
  elseif &filetype == 'vimwiki'
    exec "MarkdownPreview"
  endif
endfunc

map R :call CompileBuildrrr()<CR>
func! CompileBuildrrr()
  exec "w"
  if &filetype == 'vim'
    exec "source $MYVIMRC"
  elseif &filetype == 'markdown'
    exec "echo"
  endif
endfunc


" ===
" === Terminal Behaviors
" ===
let g:neoterm_autoscroll = 1
" autocmd TermOpen term://* startinsert
tnoremap <C-N> <C-\><C-N>
tnoremap <C-O> <C-\><C-N><C-O>
let g:terminal_color_0  = '#000000'
let g:terminal_color_1  = '#FF5555'
let g:terminal_color_2  = '#50FA7B'
let g:terminal_color_3  = '#F1FA8C'
let g:terminal_color_4  = '#BD93F9'
let g:terminal_color_5  = '#FF79C6'
let g:terminal_color_6  = '#8BE9FD'
let g:terminal_color_7  = '#BFBFBF'
let g:terminal_color_8  = '#4D4D4D'
let g:terminal_color_9  = '#FF6E67'
let g:terminal_color_10 = '#5AF78E'
let g:terminal_color_11 = '#F4F99D'
let g:terminal_color_12 = '#CAA9FA'
let g:terminal_color_13 = '#FF92D0'
let g:terminal_color_14 = '#9AEDFE'