# Special thanks to Nicholas Marriott.

# Enable RGB color if running in xterm
set-option -sa terminal-overrides ",xterm*:Tc"
# Change the default $TERM to xterm-256color
# Necessary because vim ctrl arrows must be defined through TERM
set -g default-terminal "xterm-256color"
set-window-option -g xterm-keys on
# No bells at all
set -g bell-action none
# Keep windows around after they exit
set -g remain-on-exit off
# More history lines
set -g history-limit 16384
# Base window is Numero Uno
set -g base-index 1
set-window-option -g pane-base-index 1
# Set vi mode when copying
set-window-option -g mode-keys vi
# compatibility with vim for focus based events
set -g focus-events on
set -g mouse

# KEYBINDINGS 
# Reload config file
bind r source-file ~/.config/tmux/tmux.conf \; display "Reloaded ~/.tmux.conf"
# Clipboard
bind -T copy-mode-vi v send-keys -X begin-selection
bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "oclipp"
# Unbind ESC
set -sg escape-time 0
# Toggle status bar
bind t set-option status
# Toggle monitoring window activity
bind m set monitor-activity\; display 'monitor-activity #{?monitor-activity,on,off}'
bind M run-shell "tmux set monitor-silence #{?monitor-silence,0,10}"\; display "monitor-silence #{?monitor-silence,on,off}"
# Toggle synchronized panes (sending keys to every pane)
bind y set synchronize-panes\; display 'synchronize-panes #{?synchronize-panes,on,off}'
# Paste from tmux buffer
bind p paste-buffer
# Kill all windows
bind  x     confirm -p "Kill Pane?"     kill-pane
bind  X     confirm -p "Kill Window?"   kill-window
bind  M-x   confirm -p "Kill Session?"  kill-session
bind  M-X   confirm -p "Kill Server?"   kill-server
# Restart pane
bind C-r run -C "respawn-pane -k; send-keys !! 'C-j'"
bind C-R respawn-pane -k
# Splitting
bind v split-window -h -c "#{pane_current_path}"
bind s split-window -v -c "#{pane_current_path}"
# Swapping left and right a la vim
bind -r H swap-pane -U
bind -r L swap-pane -D
## Resizing panes
bind -n M-H  resize-pane -L 5
bind -n M-J  resize-pane -D 5
bind -n M-K  resize-pane -U 5
bind -n M-L  resize-pane -R 5
# Join and break windows
bind j command-prompt -1p "Take window:" "join-pane -s %%"
bind J command-prompt -1p "Send to window:" "join-pane -t \:%% ; select-window -l"
# Break pane without losing focus
bind b break-pane -t :
# Reset length and shit
bind z select-layout main-vertical

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

# Pane navigating with h|j|k|l a la vim
# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|l?n?vim?x?|fzf)(diff)?$'"
bind-key -n 'M-h' if-shell "$is_vim" 'send-keys M-h'  'select-pane -L'
bind-key -n 'M-j' if-shell "$is_vim" 'send-keys M-j'  'select-pane -D'
bind-key -n 'M-k' if-shell "$is_vim" 'send-keys M-k'  'select-pane -U'
bind-key -n 'M-l' if-shell "$is_vim" 'send-keys M-l'  'select-pane -R'
tmux_version='$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p")'
if-shell -b '[ "$(echo "$tmux_version < 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\'  'select-pane -l'"
if-shell -b '[ "$(echo "$tmux_version >= 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\\\'  'select-pane -l'"

bind -T copy-mode-vi 'M-h' select-pane -L
bind -T copy-mode-vi 'M-j' select-pane -D
bind -T copy-mode-vi 'M-k' select-pane -U
bind -T copy-mode-vi 'M-l' select-pane -R
bind -T copy-mode-vi 'M-\' select-pane -l
bind -n M-u previous-window
bind -n M-i next-window
bind -n M-O last-window
bind -n M-U switch-client -p
bind -n M-I switch-client -n
bind -n M-O switch-client -l
# Renaming
bind n command-prompt "rename-window '%%'"
bind N command-prompt "rename-session '%%'"
# Starting new windows
bind w new-window -c "$HOME"
bind W new-session -c "$HOME"
# Show tree 
bind S choose-tree -Z
# Menu for mounting and ejecting devices.
bind E display-menu -T "#[align=centre]#I:#W" -x W -y W '' Mount 0 "display-popup -E 'amount'"

bind-key -r f run-shell "tmux neww tmux-sessionizer"

# Theme

#+---------+
#+ Options +
#+---------+
set -g status-interval 1
set -g status on

#+--------+
#+ Status +
#+--------+
#+--- Layout ---+
set -g set-titles-string "[#S: #W] #T"
set -g set-titles on
set -g status-position bottom
set -g window-status-current-style "underscore"
set -g status-justify left
set -g status-left-length 16
set -g status-left "#[fg=black,bg=blue,bold] #S #[fg=blue,bg=black,nobold,noitalics,nounderscore]"
set -g status-right "#[fg=brightblack,bg=black,nobold,noitalics,nounderscore]#[fg=white,bg=brightblack] %H:%M #[fg=cyan,bg=brightblack,nobold,noitalics,nounderscore]#[fg=black,bg=cyan,bold] #{user}@#H "
#+--- Colors ---+
set -g status-style bg=black,fg=white

#+-------+
#+ Panes +
#+-------+
set -g pane-border-style bg=default,fg=brightblack
set -g pane-active-border-style bg=default,fg=blue
set -g display-panes-colour black
set -g display-panes-active-colour brightblack

#+------------+
#+ Clock Mode +
#+------------+
setw -g clock-mode-colour cyan

#+----------+
#+ Messages +
#+---------+
set -g message-style bg=brightblack,fg=cyan
set -g message-command-style bg=brightblack,fg=cyan

#+--- Windows ---+
set -g window-status-format "#[fg=black,bg=brightblack,nobold,noitalics,nounderscore] #[fg=white,bg=brightblack]#I #[fg=white,bg=brightblack,nobold,noitalics,nounderscore] #[fg=white,bg=brightblack]#W #F #[fg=brightblack,bg=black,nobold,noitalics,nounderscore]"
set -g window-status-current-format "#[fg=black,bg=cyan,nobold,noitalics,nounderscore] #[fg=black,bg=cyan]#I #[fg=black,bg=cyan,nobold,noitalics,nounderscore] #[fg=black,bg=cyan]#W #F #[fg=cyan,bg=black,nobold,noitalics,nounderscore]"
set -g window-status-separator ""