Some extra configs for my current vim and tmux setup

tmux.conf

# change bind to ctrl+a
unbind C-b
set -g prefix C-a

# switch pane alt+arrow
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

# window notifications
setw -g monitor-activity on
set -g visual-activity on

# highlight current window
set-window-option -g window-status-current-bg yellow

# switch pane using mouse
set-option -g mouse-select-pane off

# improve colors
set -g default-terminal "screen-256color"

# force a reload of the config file
unbind r
bind r source-file ~/.tmux.conf

# vim-style copying
unbind [
bind Escape copy-mode
unbind p
bind p paste-buffer
bind-key -t vi-copy 'v' begin-selection
bind-key -t vi-copy 'y' copy-selection]

##############
## Status Bar
##############

# status bar colors
set -g status-bg black
set -g status-fg white

# alignment settings
set-option -g status-justify centre
set-option -g status-position top

# status left options
set-option -g status-left '#[fg=green][#[bg=black,fg=cyan]#S#[fg=green]]'
set-option -g status-left-length 20

# window list options
setw -g automatic-rename on
set-window-option -g window-status-format '#[fg=cyan,dim]#I#[fg=blue]:#[default]#W#[fg=grey,dim]#F'
set-window-option -g window-status-current-format '#[bg=colour23,fg=cyan,bold]#I#[bg=colour23,fg=cyan]:#[fg=colour230]#W#[fg=dim]#F'
set -g base-index 1

# status right options
set -g status-right '#[fg=green][#[fg=cyan]%Y-%m-%d #[fg=white]%H:%M#[default]  #($HOME/bin/battery)#[fg=green]]'

# same directory over windows/panes
bind-key c new-window -c "#{pane_current_path}"
bind-key % split-window -h -c "#{pane_current_path}"
bind-key '"' split-window -v -c "#{pane_current_path}"

vimrc

" Show trailing whitespace and spaces before a tab:
:highlight ExtraWhitespace ctermbg=red guibg=red
:autocmd Syntax * syn match ExtraWhitespace /\s\+$\| \+\ze\\t/

" Show linenumbers
set number
set ruler

" highlight the current line
"set cursorline
" Highlight active column
"set cuc cul

" Theme related
set t_Co=256

" Set encoding
set encoding=utf-8

" Whitespace stuff
set tabstop=2
set shiftwidth=2
set softtabstop=2
set expandtab

" indent lines
"set ts=1 sw=1 noet
"let g:indent_guides_lines_size=1
let g:indent_guides_color_change_percent = 70
let g:indent_guides_guide_size=1
let g:indent_guides_enable_on_vim_startup=0
let g:indent_guides_auto_colors=1
"autocmd VimEnter,ColorScheme * :hi IndentGuidesOdd guibg=red ctermbg=white
"autocmd VimEnter,ColorScheme * :hi IndentGuidesEven guibg=green ctermbg=lightgray

"set background=light