tmux.conf

################################################################################
# General
################################################################################

# Decrease the delay between prefix and command
set -s escape-time 1

# Set the index nnumber for windows, panes to 1 instead of 0
set -g base-index 1
setw -g pane-base-index 1

# Enable true color and italic font
set -g default-terminal 'screen-256color'
# set -g default-terminal 'xterm-256color'
# set -g default-terminal 'xterm-256color-italic'
# set-option -ga terminal-overrides ',xterm-256color-italic:Tc'

# Use a mouse
set -g mouse on


################################################################################
# Status line
################################################################################

# Update the status line every sixty seconds
set -g status-interval 60

# Show activity alerts
setw -g monitor-activity on
set -g visual-activity on

# Set the status line's colors
set -g status-style fg=white,bg=black

# Set the color of the window list
setw -g window-status-style fg=white,bg=black

# Set colors for the active window
setw -g window-status-current-style fg=white,bold,bg=red

# Show session, window, pane at left side
set -g status-left-length 40
set -g status-left "#[fg=red]S:#S #[fg=blue]W:#I #[fg=yellow]P:#P"

# Show the window list at center
set -g status-justify centre

# Show hostname, time at let side
set -g status-right "#[fg=red]%D %R@#h"


################################################################################
# Pane
################################################################################

# Set colors for pane borders
setw -g pane-border-style fg=white,bg=black
setw -g pane-active-border-style fg=white,bg=yellow

# Let active pane normal, other shaded out
setw -g window-style fg=colour240,bg=colour235
setw -g window-active-style fg=white,bg=black


################################################################################
# Keybindings
################################################################################

# Use ctrl-t as prefix key
set -g prefix C-t

# Free the default prefix keybinding
unbind C-b

# Send ctrl-t to other apps in pressing ctrl-t twice
bind C-t send-prefix

# Reload tmux.conf with prefix R
bind R source-file ~/.tmux.conf \; display 'tmux.conf reloaded!'

# Split panes with |, -
bind | split-window -h
bind - split-window -v

# Move between panes with prefix h, j, k, l
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Move between windows, panes with 1 prefix key
bind -r n next-window
bind -r p previous-window
bind -r o select-pane -t :.+

# Resize panes with prefix H, J, K, L
bind -r H resize-pane -L 3
bind -r J resize-pane -D 3
bind -r K resize-pane -U 3
bind -r L resize-pane -R 3

# Use vi like key bindings in copy and choice mode
setw -g mode-keys vi


################################################################################
# Vim-tmux-navigator
################################################################################

# 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)?$'"
# bind-key -n M-h if-shell "$is_vim" "send-keys M-h"  "select-pane -L"
# bind-key -n M-j if-shell "$is_vim" "send-keys M-j"  "select-pane -D"
# bind-key -n M-k if-shell "$is_vim" "send-keys M-k"  "select-pane -U"
# bind-key -n M-l if-shell "$is_vim" "send-keys M-l"  "select-pane -R"
# # bind-key -n M-\ if-shell "$is_vim" "send-keys M-\\" "select-pane -l"
# bind-key -T copy-mode-vi M-h select-pane -L
# bind-key -T copy-mode-vi M-j select-pane -D
# bind-key -T copy-mode-vi M-k select-pane -U
# bind-key -T copy-mode-vi M-l select-pane -R
# # bind-key -T copy-mode-vi M-\ select-pane -l