tmux.conf

# act like vim
setw -g mode-keys vi
#bind h select-pane -L
#bind j select-pane -D
#bind k select-pane -U
#bind l select-pane -R
bind-key -r C-p select-window -t :-
bind-key -r C-n select-window -t :+

# 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

# act like GNU screen
unbind C-b
set -g prefix C-a

# let ctrl-a work in zsh again
bind a send-prefix

# Highlighting the active window in status bar
setw -g window-status-current-style 'fg=default bg=#11FFFF'

# Notifying if other windows has activities
setw -g monitor-activity on
set -g visual-activity on

# keybindings to make resizing easier
bind -r C-h resize-pane -L 8
bind -r C-j resize-pane -D 8
bind -r C-k resize-pane -U 8
bind -r C-l resize-pane -R 8

# for vim esc to work properly inside tmux
set escape-time 0

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

# fix for copy/paste issue in mac osx
setw -g mode-keys vi
bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "pbcopy"
bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "pbcopy"

# bigger history limit
set-option -g history-limit 9000