.tmux.conf

# Initial setup
set -g default-shell /bin/zsh
set -g default-terminal screen-256color
set -g status-keys vi

# Prefix
set-option -g prefix C-a
unbind-key C-a
bind-key C-a send-prefix
set -g base-index 1

# Easy config reload
bind-key r source-file ~/.tmux.conf \; display-message "tmux.conf reloaded."

# Easy clear history
bind-key L clear-history

# Length of the amount of time status messages are displayed
set-option -g display-time 2000
set-option -g display-panes-time 3000

# Set the base-index to 1 rather than 0
set -g base-index 1
set-window-option -g pane-base-index 1

# Automatically set window title
set-window-option -g automatic-rename on
set-option -g set-titles on

# Key bindings for copy-paste
setw -g mode-keys vi

# Number windows
set-option -g renumber-windows on

# Window activity monitor
setw -g monitor-activity on
set -g visual-activity on

# Set easier window split keys
bind-key v split-window -h
bind-key h split-window -v

# Use Alt-arrow keys without prefix key to switch panes
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

# Allow the arrow key to be used immediately after changing windows.
set-option -g repeat-time 0

# Shift arrow to switch windows
bind -n S-Left  previous-window
bind -n S-Right next-window

# Double press <prefix> to move to last window
bind-key C-b last-window

# No delay for escape key press
set -sg escape-time 0

# Window activity monitor
setw -g monitor-activity on
set -g visual-activity on

# Theme
set -g window-status-current-bg green
set -g window-status-current-fg black
set -g window-status-current-attr bold
set-option -g message-bg colour237
set-option -g message-fg colour231
set-option -g pane-border-fg green
set-option -g pane-active-border-fg green

# Status Bar
set -g status-justify centre
set -g status-bg black
set -g status-fg white
set -g status-interval 60
set -g status-left-length 30
set -g status-left '#[fg=green][#S] #(whoami)@#H'
set -g status-right '#[fg=green]#(cut -d " " -f 1-3 /proc/loadavg)#[default]  #[fg=green]%H:%M'

# VIM
# 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"

# Plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'tmux-plugins/tmux-resurrect'

run '~/.tmux/plugins/tpm/tpm'