tmux.conf

set -g default-terminal "screen-256color"

# http://superuser.com/a/402084
set-window-option -g xterm-keys on

##set -g default-command "reattach-to-user-namespace -l bash"

# Start numbering at 1
set -g base-index 1

# # Scroll History
set -g history-limit 30000

# Basically allows for faster key repetition
set -s escape-time 0

# Set status bar
set -g status-justify left
set -g status-bg black
set -g status-fg white
set-option -g status-interval 1
set -g status-right-length 150
set -g status-left ""
set -g status-right "#[fg=green] #(hostname) %Y-%m-%d %H:%M"

# Rather than constraining window size to the maximum size of any client 
# connected to the *session*, constrain window size to the maximum size of any 
# client connected to *that window*. Much more reasonable.
setw -g aggressive-resize on

# Highlight active window
set-window-option -g window-status-current-bg red

# Let tmux set title of termial connected to it. See set-titles-string
set set-titles on

# Shell, vim etc. set title of their terminal session. Reflect it in tmux window title.
set-window-option -g automatic-rename-format "#{pane_title}"

# Turn on vi bindings in copy mode
set-option -g status-keys vi
set-window-option -g mode-keys vi

bind-key -Tcopy-mode-vi 'v' send -X begin-selection
set-option -g set-clipboard off
bind-key -Tcopy-mode-vi 'y' send -X copy-pipe "xclip -sel clip -i -d :0"
bind-key y run-shell "tmux save-buffer - | xclip -sel clip -i -d :0"

# Reorder tabs as in Konsole
# (almost, watch out over-the-boundary swapping)
bind-key -n C-S-Left  swap-window -t -1
bind-key -n C-S-Right swap-window -t +1
bind-key -T copy-mode-vi C-S-Left  swap-window -t -1
bind-key -T copy-mode-vi C-S-Right swap-window -t +1

# Reorder tabs, works with default Konsole keybindings (which are hard to override)
# Also works in dumb 'st' terminal
bind-key -r -T prefix Left  swap-window -t -1
bind-key -r -T prefix Right swap-window -t +1

# Traverse tabs as in Konsole
# Also, default binding for this is prefix+{p,n}
bind-key -n S-Left  previous-window
bind-key -n S-Right next-window
bind-key -T copy-mode-vi S-Left  previous-window
bind-key -T copy-mode-vi S-Right next-window

# select window with alt + number
bind-key -n M-1 select-window -t :=1
bind-key -n M-2 select-window -t :=2
bind-key -n M-3 select-window -t :=3
bind-key -n M-4 select-window -t :=4
bind-key -n M-5 select-window -t :=5
bind-key -n M-6 select-window -t :=6
bind-key -n M-7 select-window -t :=7
bind-key -n M-8 select-window -t :=8
bind-key -n M-9 select-window -t :=9
bind-key -n M-0 select-window -t :=10

bind-key -T copy-mode-vi M-1 select-window -t :=1
bind-key -T copy-mode-vi M-2 select-window -t :=2
bind-key -T copy-mode-vi M-3 select-window -t :=3
bind-key -T copy-mode-vi M-4 select-window -t :=4
bind-key -T copy-mode-vi M-5 select-window -t :=5
bind-key -T copy-mode-vi M-6 select-window -t :=6
bind-key -T copy-mode-vi M-7 select-window -t :=7
bind-key -T copy-mode-vi M-8 select-window -t :=8
bind-key -T copy-mode-vi M-9 select-window -t :=9
bind-key -T copy-mode-vi M-0 select-window -t :=10

# Go to window 10 instead of window 0
bind-key 0 select-window -t :=10

# new pane/window with current directory
# "prefix, c" for new window at position next to current
bind-key c new-window -a -c '#{pane_current_path}'
# "prefix, shift+c" for new window positioned at end of windows list
bind-key C new-window -c '#{pane_current_path}'

# Maintain lowest, ordered numbers for windows
set-option -g renumber-windows on

# Clear screen and scrollback by <prefix> Ctrl+x
bind-key -T prefix C-x send-keys -R \; clear-history

# Use Home and End to move naturally on a line in copy mode
bind -Tcopy-mode-vi Home send-keys -X back-to-indentation
bind -Tcopy-mode-vi End send-keys -X end-of-line

# Use ctrl+arrows in copy mode for fast motion
bind -Tcopy-mode-vi C-Right send-keys -X next-word-end
bind -Tcopy-mode-vi C-Left send-keys -X previous-word

# Mouse config from https://github.com/sc0ty/config/blob/master/.tmux.conf
set -gq mouse on

bind-key -n WheelUpPane \
	if-shell -Ft= "#{?pane_active,0,1}" "select-pane -t=" \; \
	if-shell -Ft= "#{pane_in_mode}" \
		"send-keys -M ; send-keys -M ; send-keys -M" \
		"if-shell -Ft= \"#{mouse_any_flag}\" \
			\"send-keys -M\" \
			\"if-shell -Ft= '#{alternate_on}' \
				'send-keys Up Up Up' \
				'copy-mode -e'\""

bind-key -n WheelDownPane \
	if-shell -Ft= "#{?pane_active,0,1}" "select-pane -t=" \; \
	if-shell -Ft= "#{pane_in_mode}" \
		"send-keys -M ; send-keys -M ; send-keys -M" \
		"if-shell -Ft= \"#{mouse_any_flag}\" \
			\"send-keys -M\" \
			\"if-shell -Ft= '#{alternate_on}' \
				'send-keys Down Down Down'\""

# select window by mouse click also in copy mode
bind-key -T copy-mode-vi MouseDown1Status select-window -t =
# paste with middle click
bind-key -n MouseDown2Pane run "xclip -sel clip -o | tmux load-buffer - ; tmux paste-buffer"
# paste with prefix, v
bind-key -T prefix   v run "xclip -sel clip -o | tmux load-buffer - ; tmux paste-buffer"
# paste with prefix, ctrl+v
bind-key -T prefix C-v run "xclip -sel clip -o | tmux load-buffer - ; tmux paste-buffer"

# drag & drop windows on status line by mouse
bind-key -n MouseDrag1Status swap-window -t=

# new window by right click on status line
bind-key -n MouseDown3Status new-window -a -t= -c '#{pane_current_path}'

# new window in background by middle click on status line
bind-key -n MouseDown2Status new-window -ad -t= -c '#{pane_current_path}'

# don't scroll to bottom after mouse select
# put selection to X clipboard after selection
bind-key -T copy-mode-vi MouseDragEnd1Pane send -X copy-pipe "xclip -sel clip -i -d :0" \; send-keys -X copy-selection

# exit from copy-mode with right-click
unbind-key -n MouseDown3Pane
bind-key -T copy-mode-vi MouseDown3Pane send-keys -X cancel

bind-key p run-shell "pstree -alpU #{pane_pid}"

# # Tmux Plugin Manager
# # List of plugins
# set -g @plugin 'tmux-plugins/tpm'
# set -g @plugin 'tmux-plugins/tmux-sensible'
# set -g @plugin 'tmux-plugins/tmux-logging'
# set -g @plugin 'tmux-plugins/tmux-resurrect'
# set -g @plugin 'tmux-plugins/tmux-continuum'
# set -g @plugin 'tmux-plugins/tmux-copycat'
# set -g @plugin 'tmux-plugins/tmux-open'
# 
# #set -g @continuum-restore 'on'
# 
# # Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
# run '~/.tmux/plugins/tpm/tpm'