tmux.conf

#########################################
#
# tmux.conf
# kh | nov.2018
#
########################################

#----------------------------------------------------------
# general
#----------------------------------------------------------
set-window-option -g alternate-screen on

# Default to interactive shell instead of login shell.
# This ensures that PATH is properly set.
set-option -g default-shell $SHELL

# lower command delay
#set -sg escape-time 1
set-option -sg escape-time 0

# mouse / wheel support (may interfere with copy/paste?)
#set-option -g mouse on
set -g mouse on

# scrollback buffer n lines
set -g history-limit 10000

# on-screen time for display-panes in ms
set -g display-panes-time 2000
set -g display-time 2000

# start window/pane indexing at one instead of zero
set -g base-index 1
set -g pane-base-index 1

# enable wm window titles
set -g set-titles on

# vi mode
set-window-option -g mode-keys vi

# wm window title string (uses statusbar variables)
set -g set-titles-string "tmux.#I.#W"

# listen for activity on all windows
set -g bell-action any

# notify of updates windows
setw -g monitor-activity on
set -g visual-activity off

set-option -g bell-action none
set-option -g visual-bell off

# enable focus events
set-option -g focus-events on

#----------------------------------------------------------
# terminal
#----------------------------------------------------------

# 24-bit color support
set -g default-terminal "tmux-256color" 
set -ga terminal-overrides ",xterm-termite:Tc"
set -ga terminal-overrides ",*256col*:Tc"

# urxvt shift-middle click paste support
set-option -ga terminal-override ',rxvt-uni*:XT:Ms=\E]52;%p1%s;%p2%s\007'

#----------------------------------------------------------
# key bindings
#----------------------------------------------------------

# bind-key a send-prefix
set-option -g prefix C-a
unbind-key C-b
bind-key C-a send-prefix

# Shift + arrows and Control + arrows support for pane navigation
set -g xterm-keys on

# neovim home/end key work-around
# https://github.com/neovim/neovim/issues/9012
bind-key -n End send-key C-e
bind-key -n Home send-key C-a

# new window/detach (alt + up/down)
bind -n M-Up new-window
bind -n M-Down detach

# new window/detach (alt + n/w)
bind -n M-n new-window
bind -n M-w detach

# window switching (alt + left/right)
bind -n M-Left previous-window
bind -n M-Right next-window

# window switching using alt-#
bind -n M-1 select-window -t 1
bind -n M-2 select-window -t 2
bind -n M-3 select-window -t 3
bind -n M-4 select-window -t 4
bind -n M-5 select-window -t 5
bind -n M-6 select-window -t 6
bind -n M-7 select-window -t 7
bind -n M-8 select-window -t 8
bind -n M-9 select-window -t 9

# rename window
bind -n M-r command-prompt -p "(rename-window)" "rename-window '%%'"

# enter copy mode & scroll 1 page up with alt+pageup
bind-key -n M-PPage copy-mode -u

#
# prefix commands
#

# toggle statusbar
bind-key b set-option status

# confirm before killing a window or the server
bind-key k confirm kill-window
bind-key K confirm kill-server

# Reload conf
bind r source-file ~/.tmux.conf

# easy-to-remember split pane commands
bind | split-window -h
bind - split-window -v
unbind '"'
unbind %

# extra commands for interacting with the ICCCM clipboard
bind C-c run "tmux save-buffer - | xclip -i -sel clipboard"
bind C-v run "tmux set-buffer \"$(xclip -o -sel clipboard)\"; tmux paste-buffer"

# clear screen
#bind C-l send-keys 'C-l'

#----------------------------------------------------------
# copy and paste
#----------------------------------------------------------

# Clipboard manipulation.
#set-option -s set-clipboard on
set -g set-clipboard on

# vim-style copy and paste
bind Escape copy-mode
unbind p
bind p paste-buffer

# vim friendly
bind-key -T copy-mode-vi 'v' send -X begin-selection
bind-key -T copy-mode-vi 'y' send -X copy-selection
bind-key -T copy-mode-vi 'Space' send -X halfpage-down
bind-key -T copy-mode-vi 'Bspace' send -X halfpage-up

#----------------------------------------------------------
# plugins
#----------------------------------------------------------

set -g @plugin 'jimeh/tmux-themepack'

# titan
if-shell '[ `hostname -s` == titan ]' \
    "set -g @themepack 'powerline/block/cyan'"

if-shell "[ `hostname -s` == ganymede ]" \
    "set -g @themepack 'powerline/block/orange'"

set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-open'

set -g @plugin 'tmux-plugins/tmux-yank'
set -g @yank_selection 'primary'

set -g @plugin 'tmux-plugins/tmux-prefix-highlight'
set -g @prefix_highlight_show_copy_mode 'on'

# Initializes TMUX plugin manager.
run -b '~/.tmux/plugins/tpm/tpm'

# archived
# set -g @plugin 'odedlaz/tmux-onedark-theme'
# set -g @plugin 'thewtex/tmux-mem-cpu-load'
# set -g @plugin 'samoshkin/tmux-plugin-sysstat'
# set -g status-right "#{sysstat_cpu} | #{sysstat_mem} | #{sysstat_swap} | #{sysstat_loadavg} | #[fg=cyan]#(echo $USER)#[default]@#H"


#----------------------------------------------------------
# statusbar
#----------------------------------------------------------

# powerline status bar
# run-shell "powerline-daemon -q"

# # Default session setups for certain hosts
# if-shell '[ -e ~/.local/lib/python3.8/site-packages/powerline/bindings/tmux/powerline.conf ]' \
#     'source ~/.local/lib/python3.8/site-packages/powerline/bindings/tmux/powerline.conf'
#
# if-shell '[ -e ~/.local/lib/python3.7/site-packages/powerline/bindings/tmux/powerline.conf ]' \
#     'source ~/.local/lib/python3.7/site-packages/powerline/bindings/tmux/powerline.conf'
#
# if-shell '[ -e ~/.local/lib/python3.6/site-packages/powerline/bindings/tmux/powerline.conf ]' \
#     'source ~/.local/lib/python3.6/site-packages/powerline/bindings/tmux/powerline.conf'
#
# if-shell '[ -e /usr/lib/python3.8/site-packages/powerline/bindings/tmux/powerline.conf ]' \
#     'source /usr/lib/python3.8/site-packages/powerline/bindings/tmux/powerline.conf'
#
# set -g status-right '#(powerline tmux right)'
#