Setting .vimrc and .tmux.conf

.tmux.conf

# remap prefix from 'C-b' to 'C-a'
unbind C-b
set-option -g prefix C-a
bind-key C-a send-prefix

# split panes using | and -
bind | split-window -h
bind - split-window -v
unbind '"'
unbind %

# reload config file (change file location to your the tmux.conf you want to use)
bind r source-file ~/.tmux.conf

# switch panes using Alt-arrow without prefix
bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up select-pane -U
bind -n M-Down select-pane -D

# Enable mouse control (clickable windows, panes, resizable panes)
set -g mouse on

# don't rename windows automatically
set-option -g allow-rename off

######################
### DESIGN CHANGES ###
######################

# panes
set -g pane-border-fg black
set -g pane-active-border-fg brightred

## Status bar design
# status line
set -g status-justify left
set -g status-bg default
set -g status-fg colour12
set -g status-interval 2

# messaging
set -g message-fg black
set -g message-bg yellow
set -g message-command-fg blue
set -g message-command-bg black

#window mode
setw -g mode-bg colour6
setw -g mode-fg colour0

# window status
setw -g window-status-format " #F#I:#W#F "
setw -g window-status-current-format " #F#I:#W#F "
setw -g window-status-format "#[fg=magenta]#[bg=black] #I #[bg=cyan]#[fg=colour8] #W "
setw -g window-status-current-format "#[bg=brightmagenta]#[fg=colour8] #I #[fg=colour8]#[bg=colour14] #W "
setw -g window-status-current-bg colour0
setw -g window-status-current-fg colour11
setw -g window-status-current-attr dim
setw -g window-status-bg green
setw -g window-status-fg black
setw -g window-status-attr reverse

# Info on left (I don't have a session display for now)
set -g status-left ''

# loud or quiet?
set-option -g visual-activity off
set-option -g visual-bell off
set-option -g visual-silence off
set-window-option -g monitor-activity off
set-option -g bell-action none

set -g default-terminal "screen-256color"

# The modes {
setw -g clock-mode-colour colour135
setw -g mode-attr bold
setw -g mode-fg colour196
setw -g mode-bg colour238

# }
# The panes {

set -g pane-border-bg colour235
set -g pane-border-fg colour238
set -g pane-active-border-bg colour236
set -g pane-active-border-fg colour51

# }
# The statusbar {

set -g status-position bottom
set -g status-bg colour234
set -g status-fg colour137
set -g status-attr dim
set -g status-left ''
set -g status-right '#[fg=colour233,bg=colour241,bold] %d/%m #[fg=colour233,bg=colour245,bold] %H:%M:%S '
set -g status-right-length 50
set -g status-left-length 20

setw -g window-status-current-fg colour81
setw -g window-status-current-bg colour238
setw -g window-status-current-attr bold
setw -g window-status-current-format ' #I#[fg=colour250]:#[fg=colour255]#W#[fg=colour50]#F '

setw -g window-status-fg colour138
setw -g window-status-bg colour235
setw -g window-status-attr none
setw -g window-status-format ' #I#[fg=colour237]:#[fg=colour250]#W#[fg=colour244]#F '

setw -g window-status-bell-attr bold
setw -g window-status-bell-fg colour255
setw -g window-status-bell-bg colour1

# }
# The messages {

set -g message-attr bold
set -g message-fg colour232
set -g message-bg colour166

# }

# Add truecolor support
set-option -ga terminal-overrides ",xterm-256color:Tc"
# Default terminal is 256 colors
set -g default-terminal "screen-256color"

.vimrc

set nocompatible
filetype off

" =====================================
"         Initialize Vundle
" =====================================

set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
  Plugin 'VundleVim/Vundle.vim'
  Plugin 'rakr/vim-one'
  Plugin 'challenger-deep-theme/vim'
  Plugin 'itchyny/lightline.vim'

  Plugin 'vim-airline/vim-airline'
  Plugin 'vim-airline/vim-airline-themes'

  Plugin 'sheerun/vim-polyglot'
  Plugin 'scrooloose/nerdtree.git'

  Plugin 'tpope/vim-endwise'
  Plugin 'tpope/vim-unimpaired'
  Plugin 'jiangmiao/auto-pairs'
  Plugin 'tpope/vim-fugitive'
  Plugin 'mattn/emmet-vim'
  Plugin 'tpope/vim-commentary'
  Plugin 'tpope/vim-surround'
  Plugin 'EinfachToll/DidYouMean'
  Plugin 'ap/vim-css-color'
  "  Plugin 'fatih/vim-go'
call vundle#end()

filetype plugin indent on
syntax on

" ====================================
"           General Config
" ====================================

set backspace=indent,eol,start
set number
set shiftwidth=2
set softtabstop=2
set tabstop=2
set expandtab
set autochdir

set cursorline

set autowrite
set encoding=utf-8
set title

" Display extra whitespace
set list listchars=tab:»·,trail:·

" Persistence undo
set undodir=~/.vim/undodir
set undofile

" Automatic reloading .vimrc
autocmd! bufwritepost *.vim source %

set pastetoggle=<F2>
set clipboard=unnamed

set laststatus=2

" ===================================
"             Mapping
" ===================================
let g:mapleader=","

map ; :

imap jj <Esc>
cmap jj <C-c>
vmap v <Esc>

" Change Pane
map <Leader>n :bn<CR>
map <Leader>m :bp<CR>

" Every unnecessary keystroke that can be saved is good for your health :)
nnoremap <C-H> <C-W><C-H>
nnoremap <C-J> <C-W><C-J>
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>

" This turns off Vim’s crazy default regex characters and makes searches use normal regexes.
nnoremap / /\v
vnoremap / /\v

" =======================================
"          Setting Plugin
" =======================================

if has('nvim') || has('termguicolors')
  set termguicolors
endif

" ColorSchemes
"colorscheme one
"colorscheme rupza
colorscheme challenger_deep

let g:lightline = { 'colorscheme': 'challenger_deep'}
set background=dark
"let g:one_allow_italics = 1

" NERDTree
map <Leader>t :NERDTreeToggle<CR>
map <Leader>r <Esc> :NERDTreeFind<CR>
let g:tmux_navigator_no_mappings = 1

" Vim Airline
"let g:airline_theme='one'
"let g:airline_theme='bubblegum'
"let g:airline_powerline_fonts = 1
"let g:airline#extensions#tabline#enabled = 1
"let g:airline#extensions#tabline#fnamemod = ':t'
"let g:airline#extensions#tabline#branch#enabled = 1
"let g:airline#parts#ffenc#skip_expected_string='utf-8[unix]'

" Unimpaired -> Bubble single line
nmap <Leader>k [e
nmap <Leader>j ]e

" Bubble multiple line
vmap <Leader>k [egv
vmap <Leader>j ]egv