tmux.conf

# vim: fdm=marker

# improve colors
set -g default-terminal 'screen-256color'

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

# start window numbers at 1 to match keyboard order with tmux window order
set -g base-index 1
set-window-option -g pane-base-index 1

# renumber windows sequentially after closing any of them
set -g renumber-windows on

# increase scrollback lines
set -g history-limit 10000

# sane splits
bind-key h split-window -v -c '#{pane_current_path}'
bind-key v split-window -h -c '#{pane_current_path}'

bind-key c new-window -c '#{pane_current_path}'
bind-key k confirm kill-window

#Allow mouse usage
set -g mouse on

# act like vim
setw -g mode-keys vi
bind-key -r C-h select-window -t :-
bind-key -r C-l select-window -t :+

# switch to last pane
bind-key C-a last-pane
bind-key C-n next-window
bind-key C-p previous-window

# Shift + arrows to resize pane
bind -r S-Left resize-pane -L 2
bind -r S-Right resize-pane -R 2
bind -r S-Down resize-pane -D 1
bind -r S-Up resize-pane -U 1

# smart pane switching with awareness of vim splits
is_vim='echo "#{pane_current_command}" | grep -iqE "(^|\/)g?(view|n?vim?)(diff)?$"'
bind -n C-h if-shell "$is_vim" "send-keys C-h" "select-pane -L"
bind -n C-j if-shell "$is_vim" "send-keys C-j" "select-pane -D"
bind -n C-k if-shell "$is_vim" "send-keys C-k" "select-pane -U"
bind -n C-l if-shell "$is_vim" "send-keys C-l" "select-pane -R"
bind -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"

# Update default binding of `Enter` to use copy-pipe
unbind -T copy-mode-vi Enter
bind-key -T copy-mode-vi Enter send-keys -X copy-pipe "xclip -i -selection clipboard"
unbind -T copy-mode-vi MouseDragEnd1Pane
bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe "xclip -i -selection clipboard"

# {{{ Status Bar

set -g status on

# soften status bar colors
set -g status-bg '#586e75'
set -g status-fg '#eee8d5'

# remove administrative debris (session name, hostname, time) in status bar
#set -g status-left ''
#set -g status-right ''

set -g status-left '#[bg=colour236,fg=colour246] [#[fg=colour231]#S#[fg=colour246]] #[default]'
set -g status-right " %H:%M %d-%b-%y "

setw -g window-status-separator ""
setw -g window-status-format " #I:#{?window_flags,#{window_flags},}#W "
setw -g window-status-current-format " #I:#{?window_flags,#{window_flags},}#W "
# setw -g window-status-current-bg colour236
# setw -g window-status-current-fg colour156
# setw -g window-status-current-attr bright

set -g status-justify centre
set-option -g status-left-length 50

# }}}

set -g status-keys emacs
setw -g clock-mode-style 12

# {{{
# https://github.com/tmux-plugins/tmux-prefix-highlight
# https://github.com/edkolev/tmuxline.vim
# https://github.com/christoomey/vim-tmux-navigator
# }}}