tmux.conf

# Tmux config file

conf_dir="$HOME/.config/tmux"

# set-option, -g for global, -a to append to existing option.

# Enable mouse selection and option toggling.
set-window-option -g mouse on

# Enable vi for copy-mode.
set-window-option -g mode-keys vi

set-window-option -g xterm-keys on

# Set clipboard using OSC 52 ANSI escapes
set-window-option -g set-clipboard on

# Increase history because memory is cheap.
set-option -g history-limit 100000

# How long to display messages for in milliseconds.
set-option -g display-time 1500

# Address vim mode switching delay (http://superuser.com/a/252717/65504)
set-option -s escape-time 0

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

# Use C-t as the prefix because it's less useful than C-b.
unbind C-b
set-option -g prefix C-t

# Start windows numbering at 1.
set-option -g base-index 0
# Start pane numbering at 1.
set-window-option -g pane-base-index 0
# Re-number windows when a window is closed.
set-option -g renumber-windows on

# Update status line every 5 seconds (default 15).
set-option -g status-interval 5

# Enable 24 bit color.
set-option -g default-terminal "xterm-24bit"

# Enable 24 bit color support.
# https://github.com/syl20bnr/spacemacs/wiki/Terminal
set-option -g -a terminal-overrides ',xterm-24bit:Tc'

set-option -g default-shell /bin/zsh
set-option -g default-command "${SHELL}"

bind-key R run-shell ' \
  tmux source-file ~/.tmux.conf > /dev/null; \
  tmux display-message "Reloaded .tmux.conf."'

bind-key -T root C-y run-shell "tmux-smart-paste"

# Copy / Paste
bind-key C-t copy-mode

# Send the normal Tmux prefix. Useful for passing commands to nested Tmux.
bind-key C-b send-keys C-b

# `send-keys -X` sends a command into copy mode.
bind-key -T copy-mode-vi 'C-g' send-keys -X cancel

bind-key P paste-buffer
bind-key -T copy-mode-vi 'v' send-keys -X begin-selection
bind-key -T copy-mode-vi 'C-v' send-keys -X rectangle-toggle
bind-key -T copy-mode-vi 'y' send-keys -X copy-pipe-and-cancel "clipboard-copy"
bind-key -T copy-mode-vi 'C-y' send-keys -X copy-selection
bind-key -T copy-mode-vi 'p' send-keys -X paste-buffer
bind-key -T copy-mode-vi 'H' send-keys -X start-of-line
bind-key -T copy-mode-vi 'L' send-keys -X end-of-line
bind-key -T copy-mode-vi 'J' send-keys -X -N 5 cursor-down
bind-key -T copy-mode-vi 'K' send-keys -X -N 5 cursor-up
bind-key -T copy-mode-vi 'C-j' send-keys -X page-down
bind-key -T copy-mode-vi 'C-k' send-keys -X page-up
bind-key -T copy-mode-vi 'Y' send-keys -X copy-end-of-line
bind-key -T copy-mode-vi 'C-r' send-keys -X search-backward-incremental
bind-key -T copy-mode-vi 'C-s' send-keys -X search-forward-incremental
bind-key -T copy-mode-vi 'c' send-keys -X copy-pipe-and-cancel "tmux-copy-with-osc-52" \; display-message "Copied to clipboard."
bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "clipboard-copy" \; display-message "Copied to clipboard."

bind-key + delete-buffer

set-hook -g pane-focus-in 'run-shell tmux-on-pane-focus-in'

# new-session -d -n ranger -s dev ranger
# new-window -d

# Window and pane management

# Special tokens for windows
# Token              Meaning
# {start}       ^    The lowest-numbered window
# {end}         $    The highest-numbered window
# {last}        !    The last (previously current) window
# {next}        +    The next window by number
# {previous}    -    The previous window by number


# Select windows.
bind-key -T root -r C-M-l next-window
bind-key -T root -r C-M-h previous-window

# Kill the current window.
bind-key x kill-window

bind-key c new-window -c "#{pane_current_path}"
bind-key / split-window -h -c "#{pane_current_path}"
bind-key - split-window -v -c "#{pane_current_path}"

# Special tokens for panes
# {last}            !    The last (previously active) pane
# {next}            +    The next pane by number
# {previous}        -    The previous pane by number
# {top}                  The top pane
# {bottom}               The bottom pane
# {left}                 The leftmost pane
# {right}                The rightmost pane
# {top-left}             The top-left pane
# {top-right}            The top-right pane
# {bottom-left}          The bottom-left pane
# {bottom-right}         The bottom-right pane
# {up-of}                The pane above the active pane
# {down-of}              The pane below the active pane
# {left-of}              The pane to the left of the active pane
# {right-of}             The pane to the right of the active pane

# Select panes with vi movement commands.
bind-key -T root -r M-h select-pane -L
bind-key -T root -r M-j select-pane -D
bind-key -T root -r M-k select-pane -U
bind-key -T root -r M-l select-pane -R

# Move panes around within a window and follow the moving pane.
bind-key -T root -r M-H swap-pane -t {left-of}  \; select-pane -t {left-of}
bind-key -T root -r M-J swap-pane -t {down-of}  \; select-pane -t {down-of}
bind-key -T root -r M-K swap-pane -t {up-of}    \; select-pane -t {up-of}
bind-key -T root -r M-L swap-pane -t {right-of} \; select-pane -t {right-of}

# Move current pane into a new window in the specified direction.
bind-key -T root M-Left  break-pane \; select-window -t {last}
bind-key -T root M-Right break-pane \; select-window -t {last} \; \
    move-window -r -t {last}

# Pull one pane from the specified direction into current window.  Reverses the
# command above.
bind-key -T root M-S-Left  join-pane -s :{previous} 
bind-key -T root M-S-Right join-pane -s :{next} 

# Pull a pane into current window as a new pane.
bind-key @ command-prompt -p "create pane from:"  "join-pane -s ':%%'"

# Small pane resizes.
bind-key -T root C-Left  resize-pane -L 2
bind-key -T root C-Down  resize-pane -D 2
bind-key -T root C-Up    resize-pane -U 2
bind-key -T root C-Right resize-pane -R 2

# Large pane resizes.
bind-key -T root C-S-Up    resize-pane -U 8
bind-key -T root C-S-Down  resize-pane -D 8 
bind-key -T root C-S-Left  resize-pane -L 8
bind-key -T root C-S-Right resize-pane -R 8

# Kill panes with a dedicated key.
bind-key -T root -r C-M-k kill-pane

# Layouts
bind-key -T root M-Up   next-layout
bind-key -T root M-Down previous-layout

# FZF commands
bind-key -T prefix F run-shell "zsh -c \
    'iosource-list-file-paths-from-tmux-pane #{pane_id} \
     | fzf-tmux -- --reverse --multi \
     | join-input-by-space'"

# Status bar
set-option -g status-left-length 32
set-option -g status-right-length 150
set-option -g status-left '#[fg=white][#S] '
set-option -g window-status-format " #I:#W "
set-window-option -g window-status-current-format "#[bg=#00533A] #I:#W#{?window_zoomed_flag, (zoom),} "
set-option -g status-right ''

# Colors
set-option -g status-fg white
set-option -g status-bg '#18191b'
set-option -g window-status-style bold
# Use default background so it doesn't get overridden to black
# set-option -g window-style 'bg=#00171d'
# set-option -g window-active-style 'bg=colour0'
set-option -g pane-border-style fg=colour245
set-option -g pane-active-border-style fg=blue
set-option -g message-style fg=yellow,bg='#18191b'

set-option -g @prefix_highlight_show_copy_mode 'on'

# List of plugins
set-option -g @plugin 'tmux-plugins/tpm'
set-option -g @plugin 'tmux-plugins/tmux-prefix-highlight'
set-option -g @plugin 'tmux-plugins/tmux-open'

set-option -g @prefix_highlight_bg 'blue'
set-option -g @prefix_highlight_show_copy_mode 'on'
set-option -g @prefix_highlight_copy_mode_attr 'fg=black,bg=yellow,bold'

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