tmux.conf

###########################
#  Configuration
###########################

# use 256 term for pretty colors
set -g default-terminal "screen-256color"
set-option -ga terminal-overrides ",xterm-termite:Tc,xterm-kitty:Tc,xterm-256color:Tc"
set-option -ga terminal-overrides ",*col*:Tc"

# increase scroll-back history
set -g history-limit 5000

# Use vi keybindings for tmux commandline input.
# Note that to get command mode you need to hit ESC twice...
# set -g status-keys vi

# emacs key bindings in tmux command prompt (prefix + :) are better than
# vi keys, even for vim users
set -g status-keys emacs

# Use vi keybindings in copy and choice modes
setw -g mode-keys vi

# focus events enabled for terminals that support them
set -g focus-events on

# super useful when using "grouped sessions" and multi-monitor setup
setw -g aggressive-resize on

# disable mouse
# setw -g mode-mouse off

# decrease command delay (increases vim responsiveness)
set -sg escape-time 1

# increase repeat time for repeatable commands
set -g repeat-time 1000

# start window index at 1
set -g base-index 1

# start pane index at 1
setw -g pane-base-index 1

# highlight window when it has new activity
setw -g monitor-activity on
set -g visual-activity on

# re-number windows when one is closed
set -g renumber-windows on

###########################
#  Key Bindings
###########################

# tmux prefix
unbind C-b
set -g prefix C-a
bind a send-prefix

# Keep your finger on ctrl, or don't
bind-key ^D detach-client

bind-key ^S choose-tree

# window splitting
unbind %
# bind | split-window -h
unbind '"'
# bind - split-window -v

# Create splits and vertical splits
bind-key v split-window -h -l 50% -c "#{pane_current_path}"
# bind-key ^V split-window -h -p 50 -c "#{pane_current_path}"
bind-key s split-window -l 50% -c "#{pane_current_path}"
# bind-key ^S split-window -p 50 -c "#{pane_current_path}"

# Pane resize in all four directions using vi bindings.
# Can use these raw but I map them to shift-ctrl-<h,j,k,l> in iTerm.
bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5

# Smart pane switching with awareness of vim splits
# See: https://github.com/christoomey/vim-tmux-navigator
# is_vim='echo "#{pane_current_command}" | grep -iqE "(^|\/)g?(view|n?vim?x?)(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"

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 "$is_vim" 'send-keys C-h' { if -F '#{pane_at_left}' '' 'select-pane -L' }
bind-key -n 'C-j' if-shell "$is_vim" 'send-keys C-j' { if -F '#{pane_at_bottom}' '' 'select-pane -D' }
bind-key -n 'C-k' if-shell "$is_vim" 'send-keys C-k' { if -F '#{pane_at_top}' '' 'select-pane -U' }
bind-key -n 'C-l' if-shell "$is_vim" 'send-keys C-l' { if -F '#{pane_at_right}' '' 'select-pane -R' }

bind-key -T copy-mode-vi 'C-h' if -F '#{pane_at_left}' '' 'select-pane -L'
bind-key -T copy-mode-vi 'C-j' if -F '#{pane_at_bottom}' '' 'select-pane -D'
bind-key -T copy-mode-vi 'C-k' if -F '#{pane_at_top}' '' 'select-pane -U'
bind-key -T copy-mode-vi 'C-l' if -F '#{pane_at_right}' '' 'select-pane -R'

# force a reload of the config file
unbind r
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# easier and faster switching between next/prev window
# bind C-p previous-window
# bind C-n next-window
bind-key -n M-h previous-window
bind-key -n M-l next-window

# bind-key -n C-S-Left swap-window -t -1
# bind-key -n C-S-Right swap-window -t +1
# Moving windows
bind-key -r > swap-window -t :+
bind-key -r < swap-window -t :-

# https://github.com/tmux/tmux/issues/592
bind-key -Tcopy-mode-vi 'v' send -X begin-selection
#bind-key -Tcopy-mode-vi 'y' send -X copy-selection
bind-key -Tcopy-mode-vi 'y' send -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"

###########################
# Status Bar
###########################

# enable UTF-8 support in status bar
# set -g status-utf8 on

# set refresh interval for status bar
set -g status-interval 30

# center the status bar
set -g status-justify centre

# show session, window, pane in left status bar
# set -g status-left-length 40
# set -g status-left '#[fg=green]#S#[fg=blue] #I:#P#[default]'

# show hostname, date, time, and battery in right status bar
# set-option -g status-right '#[fg=green]#H#[default] %m/%d/%y %I:%M\
#  #[fg=red]#(battery discharging)#[default]#(battery charging)'


###########################
# Colors
###########################
## COLORSCHEME: gruvbox dark
set-option -g status on

# default statusbar colors
# set-option -g status-bg colour237 #bg1
# set-option -g status-fg colour223 #fg1

# default window title colors
# set-window-option -g window-status-bg colour214 #yellow
# set-window-option -g window-status-fg colour237 #bg1

# set-window-option -g window-status-activity-bg colour237 #bg1
# set-window-option -g window-status-activity-fg colour248 #fg3

# active window title colors
# set-window-option -g window-status-current-bg default
# set-window-option -g window-status-current-fg colour237 #bg1

# pane border
# set-option -g pane-active-border-fg colour250 #fg2
# set-option -g pane-border-fg colour237 #bg1

# message infos
# set-option -g message-bg colour239 #bg2
# set-option -g message-fg colour223 #fg1

# writting commands inactive
# set-option -g message-command-bg colour239 #fg3
# set-option -g message-command-fg colour223 #bg1

# pane number display
# set-option -g display-panes-active-colour colour250 #fg2
# set-option -g display-panes-colour colour237 #bg1

# clock
# set-window-option -g clock-mode-colour colour109 #blue

# bell
# set-window-option -g window-status-bell-style fg=colour235,bg=colour167 #bg, red

## Theme settings mixed with colors (unfortunately, but there is no cleaner way)
# set-option -g status-attr "none"
# set-option -g status-justify "left"
# set-option -g status-left-attr "none"
# set-option -g status-left-length "80"
# set-option -g status-right-attr "none"
# set-option -g status-right-length "80"
# set-window-option -g window-status-activity-attr "none"
# set-window-option -g window-status-attr "none"
# set-window-option -g window-status-separator ""

# set-option -g status-left "#[fg=colour248, bg=colour241] #S #[fg=colour241, bg=colour237, nobold, noitalics, nounderscore]"
# set-option -g status-right "#[fg=colour239, bg=colour237, nobold, nounderscore, noitalics]#[fg=colour246,bg=colour239] %Y-%m-%d  %H:%M #[fg=colour248, bg=colour239, nobold, noitalics, nounderscore]#[fg=colour237, bg=colour248] #h "

set -g status-left "#S"
# set -g status-right ' #{?client_prefix,💭#[noreverse] ,}#{?window_zoomed_flag,🔍,}'
set -g status-right ' #{?client_prefix,@#[noreverse] ,}#{?window_zoomed_flag,+,}'
set-option -g status-style fg=white,bg=default,default

set-window-option -g mode-style fg=white,bg='#212121'
set-window-option -g window-status-style bg=default,default
set-window-option -g window-status-current-style fg=magenta,bg=default,default

set-option -g message-style fg=white,bg=default,bright
set-option -g status-left-style fg=white

# setw -g window-status-current-fg colour1
# setw -g window-status-current-bg colour19
# setw -g window-status-current-attr bold
setw -g window-status-current-format ' #[fg=colour255]#W#[fg=colour249]#F '
# setw -g window-status-current-format ' #W#F '

# setw -g window-status-fg colour9
# setw -g window-status-bg colour18
# setw -g window-status-attr none
setw -g window-status-format ' #I#[fg=colour237]:#[fg=colour250]#W#[fg=colour244]#F '
# setw -g window-status-format ' #I:#W#F '

# set-window-option -g window-status-current-format "#[fg=colour239, bg=colour248, :nobold, noitalics, nounderscore]#[fg=colour239, bg=colour214] #I #[fg=colour239, bg=colour214, bold] #W #[fg=colour214, bg=colour237, nobold, noitalics, nounderscore]"
# set-window-option -g window-status-format "#[fg=colour237,bg=colour239,noitalics]#[fg=colour223,bg=colour239] #I #[fg=colour223, bg=colour239] #W #[fg=colour239, bg=colour237, noitalics]"

# enable pbcopy and pbpaste
# https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard/blob/master/README.md
# set-option -g default-command "reattach-to-user-namespace -l zsh"

# system config
if-shell 'test "$(uname)" = "Darwin"' 'source ~/.tmux/tmux-osx.conf'
if-shell 'test "$(uname)" = "Linux"' 'source ~/.tmux/tmux-linux.conf'

###########################
# TPM
###########################
# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
# set -g @plugin 'christoomey/vim-tmux-navigator'

# Other examples:
# set -g @plugin 'github_username/plugin_name'
# set -g @plugin 'git@github.com/user/plugin'
# set -g @plugin 'git@bitbucket.com/user/plugin'

# Load plugins
if-shell "[ -f ~/.tmux/plugins.conf ]" 'source ~/.tmux/plugins.conf'

# Local config
if-shell "[ -f ~/.tmux.local.conf ]" 'source ~/.tmux.local.conf'

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run '~/.tmux/plugins/tpm/tpm'