.tmux.conf

#TODO create version script with python/ruby/bash
# set the default TERM
set -g default-terminal screen

# update the TERM variable of terminal emulator when creating a new session or attaching a existing session
set -g update-environment 'DISPLAY SSH_ASKPASS SSH_AGENT_PID SSH_CONNECTION WINDOWID XAUTHORITY TERM'

# determine if we should enable 256-colour support
if "[[ ${TERM} =~ 256color || ${TERM} == fbterm ]]" 'set -g default-terminal screen-256color'

# Change default prefix to ctrl+x
unbind C-b
set -g prefix C-x
bind C-x send-prefix

# mouse controls
if "test $(echo -e \"$(tmux -V | cut -d' ' -f2)\n2.1\" |sort -rV |head -1) != 2.1" \
	'set -g mouse on' \
	'set -g mouse off'
setw -g alternate-screen on
bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'copy-mode -e'"

# vim-like keys for versions >= 2.4
setw -g mode-keys vi
set-window-option -g mode-keys vi

is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
bind -n C-u if-shell "$is_vim" "send-keys C-u" "copy-mode -u"
bind -n C-d if-shell "$is_vim" "send-keys C-d" "send-keys Pagedown"

if "test $(echo -e \"$(tmux -V | cut -d' ' -f2)\n2.4\" |sort -rV |head -1) != 2.4" \
	'bind-key -T copy-mode-vi "v" send -X begin-selection; \
	bind-key -T copy-mode-vi "y" send -X copy-selection-and-cancel; \
	bind-key -T copy-mode-vi "Space" send -X halfpage-down; \
	bind-key -T copy-mode-vi "Bspace" send -X halfpage-up' \
	'bind -t vi-copy "v" begin-selection; \
	bind -t vi-copy "y" copy-selection; \
	bind -t vi-copy "Space" halfpage-down; \
	bind -t vi-copy "Bspace" halfpage-up'

# pane navigation
bind-key h select-pane -L
bind-key j select-pane -D
bind-key k select-pane -U
bind-key l select-pane -R

# rerun previous command in window 1
bind-key s select-pane -t 1 \; send-keys C-c Enter Up C-m \; last-pane

# urxvt tab like window switching (-n: no prior escape seq)
#bind-key -n S-down new-window
#bind-key -n S-left prev
#bind-key -n S-right next
#bind-key -n C-left swap-window -t -1
#bind-key -n C-right swap-window -t +1
#bind-key -n C-j detach

# terminal titles to update on server connections
set -g set-titles on
set -g set-titles-string "#T"

# Colorscheme
set -g @colors-solarized 'dark'

# Keep these last
# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'tmux-plugins/tmux-pain-control'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'seebi/tmux-colors-solarized'

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