tmux.conf

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

# Set prefix
unbind C-b
set -g prefix C-f
bind C-f send-prefix

# Increase scrollback
set-option -g history-limit 5000

# Use vim keybindings
set-option -g mode-keys vi

# Reload config
bind-key r source-file ~/.tmux.conf \; display "Reloaded"

# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
bind-key -n C-h if-shell "$is_vim" "send-keys C-h"  "select-pane -L"
bind-key -n C-j if-shell "$is_vim" "send-keys C-j"  "select-pane -D"
bind-key -n C-k if-shell "$is_vim" "send-keys C-k"  "select-pane -U"
bind-key -n C-l if-shell "$is_vim" "send-keys C-l"  "select-pane -R"
bind-key -n 'C-\' if-shell "$is_vim" "send-keys 'C-\\'" "select-pane -l"
bind-key -T copy-mode-vi C-h select-pane -L
bind-key -T copy-mode-vi C-j select-pane -D
bind-key -T copy-mode-vi C-k select-pane -U
bind-key -T copy-mode-vi C-l select-pane -R
bind-key -T copy-mode-vi 'C-\' select-pane -l

# Pane resizing
bind-key -r H resize-pane -L 2
bind-key -r J resize-pane -D 2
bind-key -r K resize-pane -U 2
bind-key -r L resize-pane -R 2

# Clear screen (since using shortcut keys to move between panes)
bind-key C-l send-keys 'C-l'

# Join and make panes
bind-key s split-window -v
bind-key v split-window -h
bind-key S choose-window 'join-pane -v -s "%%"'
bind-key V choose-window 'join-pane -h -s "%%"'

# Toggle mouse mode
bind-key m set -g mouse on \; display 'Mouse: on'
bind-key M set -g mouse off \; display 'Mouse: off'