.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

# reload config file 
bind r source-file $HOME/.tmux.conf

# vim-like pane switching
bind -r k select-pane -U
bind -r j select-pane -D
bind -r h select-pane -L
bind -r l select-pane -R

# split panes
bind v split-window -h
bind s split-window -v
unbind '"'
unbind %

# vim-like pane resizing
bind -r C-K resize-pane -U 10
bind -r C-J resize-pane -D 10
bind -r C-H resize-pane -L 10
bind -r C-L resize-pane -R 10

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

# use vim keybindings in copy mode
setw -g mode-keys vi
bind-key -T copy-mode-vi v send-keys -X begin-selection
bind-key -T copy-mode-vi y send-keys -X copy-selection

# set clipboard
bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel 'xclip -in -selection clipboard'

# start windows and panes at 1, not 0
set -g base-index 1
setw -g pane-base-index 1

# toggles tmux bar on/off
bind-key -n F12 set status

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