.tmux.conf

#
# tmux(1) configuration - expects shell to set pane titles, see tmux(1)
#
# copy-mode-vi bindings need EDITOR to contain "vi", s/-vi/-emacs/g otherwise.
#

# Testing
bind r source ~/.tmux.conf \; display '~/.tmux.conf reloaded'

# Base bindings
unbind C-b
set -g prefix C-j
bind j send-prefix
bind C-j last-window
bind C-d detach-client
bind b set-option status
bind C-s setw synchronize-panes \; \
    display "synchronize-panes #{?pane_synchronized,on,off}"

bind | split-window -h -c "#{pane_current_path}"
bind _ split-window -v -c "#{pane_current_path}"

# Copy/paste
bind e copy-mode
bind P paste-buffer
bind y run 'tmux set-buffer "$(xclip -o -sel p)"'
bind Y run 'tmux set-buffer "$(xclip -o -sel c)"'
bind -T copy-mode-vi v send-keys -X begin-selection
bind -T copy-mode-vi C-v \
    send-keys -X begin-selection \; \
    send-keys -X rectangle-toggle
bind -T copy-mode-vi r send-keys -X rectangle-toggle
bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel 'xclip -i -sel p'
bind -T copy-mode-vi Enter \
    send-keys -X copy-pipe 'xclip -i -sel p' \; \
    send-keys -X copy-pipe-and-cancel 'xclip -i -sel c'
bind C-p run 'xclip -o -sel p | xclip -i -sel c > /dev/null'
bind C-y run 'xclip -o -sel c | xclip -i -sel p > /dev/null'
# Don't exit copy mode on mouse drag end event
bind -T copy-mode-vi MouseDown1Pane \
    select-pane \; \
    send-keys -X copy-pipe 'xclip -i -sel p' \; \
    send-keys -X clear-selection
unbind -T copy-mode-vi MouseDragEnd1Pane
# Activate copy mode on double/triple click
bind -T root DoubleClick1Pane if -F -t {alternate_on} '#{mouse_any_flag}' \
    'send-keys -M' 'copy-mode -t {mouse}; send-keys -X select-word'
bind -T root TripleClick1Pane if -F -t {alternate_on} '#{mouse_any_flag}' \
    'send-keys -M' 'copy-mode -t {mouse}; send-keys -X select-line'

# Create 1+2 panes, horizontal layout
bind C-w \
    split-window -d -v -t 1 -c "#{pane_current_path}" \; \
    split-window -d -h -t 2 -c "#{pane_current_path}"
# Create 1+2 panes, vertical layout
bind C-q \
    split-window -d -h -t 1 -c "#{pane_current_path}" \; \
    split-window -d -v -t 2 -c "#{pane_current_path}"
# Create 2x2 panes, tiled
bind C-a \
    split-window -d -v -t 1 -c "#{pane_current_path}" \; \
    split-window -d -h -t 2 -c "#{pane_current_path}" \; \
    split-window -d -h -t 1 -c "#{pane_current_path}"

# Display pane details
bind Q display "Pane #{pane_index} - #{pane_current_command} : #{pane_width}x#{pane_height}"

# Mouse
set -g mouse off
bind C-m set -g mouse \; display "mouse #{?mouse,on,off}"

# Move windows
bind < swap-window -t -1
bind > swap-window -t +1

# Navigation
bind S choose-tree -GZ \
    -F "#{?window_flags,#{window_flags},} #W #T"
bind W choose-tree -Z \
    -F "#{?window_flags,#{window_flags},} #W #T"

bind -n M-h previous-window
bind -n M-l next-window
bind -n M-j select-pane -t :.-
bind -n M-k select-pane -t :.+
#bind -n C-Left previous-window
#bind -n C-Right next-window
bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Down select-pane -D
bind -n M-Up select-pane -U

# Nested sessions
bind -T off F12 set -u prefix \; set -u key-table
bind -T root F12 set prefix None \; set key-table off

# Renumber windows on request only
bind R move-window -r
set -g renumber-windows off

# Resize pane
bind -n M-y resize-pane -L 2
bind -n M-o resize-pane -R 2
bind -n M-u resize-pane -D 1
bind -n M-i resize-pane -U 1
bind -n S-Left resize-pane -L 2
bind -n S-Right resize-pane -R 2
bind -n S-Down resize-pane -D 1
bind -n S-Up resize-pane -U 1

# Scrolling
bind -n C-Up copy-mode -e
bind -n C-Down send-keys ""
bind -n M-PageUp copy-mode -e
bind -n M-PageDown send-keys ""
bind -n S-PageUp copy-mode -eu
bind -n S-PageDown send-keys ""
bind -T copy-mode-vi PageUp send-keys -X page-up
bind -T copy-mode-vi PageDown send-keys -X page-down
bind -T copy-mode-vi M-PageUp send-keys -X halfpage-up
bind -T copy-mode-vi M-PageDown send-keys -X halfpage-down
bind -T copy-mode-vi S-PageUp send-keys -X page-up
bind -T copy-mode-vi S-PageDown send-keys -X page-down
bind -T copy-mode-vi WheelUpPane \
    select-pane \; \
    send-keys -X clear-selection \; \
    send-keys -X -N 3 scroll-up
bind -T copy-mode-vi WheelDownPane \
    select-pane \; \
    send-keys -X clear-selection \; \
    send-keys -X -N 3 scroll-down

# Set permanent window titles
bind , \
    command-prompt -I '#W' "rename-window -- '%%'" \; \
    set -g set-titles-string '#S.#I.#P.#F - #(whoami)@#H - #W' \; \
    setw -g window-status-current-format '#W' \; \
    setw -g window-status-format '#W' \; \
    setw allow-rename off

# Settings
set -g base-index 1
set -s buffer-limit 5
set -s escape-time 0
set -g focus-events on
set -g history-limit 10000
set -s set-clipboard off
set -g status-keys emacs
setw -g aggressive-resize on
setw -g allow-rename on
setw -g automatic-rename off
setw -g monitor-activity on
setw -g pane-base-index 1

# Theme
set -g display-panes-time 2000
set -g display-time 2000
set -g message-style bg='#FFFF00',fg=black
set -g set-titles on
set -g set-titles-string '#S.#I.#P.#F #T'
set -g status-style bg=blue,fg=white
set -g status-interval 5
set -g status-position bottom
set -g status-right " | %H:%M "
setw -g clock-mode-style 24
setw -g window-status-activity-style bg=white,fg=blue
setw -g window-status-bell-style bg=red,fg=white
setw -g window-status-current-style bg=black,fg=white
setw -g window-status-current-format \
    " #I #{pane_title}#{?window_flags, #{window_flags},} "
setw -g window-status-format \
    " #I #{=-8:pane_title}#{?window_flags, #{window_flags},} "

# Locking
#set -g lock-after-time 900
#set -g lock-command vlock