executable_dot_tmux.conf

#set -g default-terminal "xterm-256color"
#set-option -ga terminal-overrides ",xterm-256color:Tc"
set -g default-terminal "screen-256color"
set-option -ga terminal-overrides ",screen-256color:Tc"

# enable mouse mode
set -g mouse on

# set CTRL + SPACE as prefix
unbind C-b
set -g prefix C-Space
bind C-Space send-prefix

# reload
bind C-r source-file ~/.tmux.conf \; display "Config reloaded"

# Start windows and panes at 1, not 0
set -g base-index 1
set -g pane-base-index 1
set-window-option -g pane-base-index 1
set-option -g renumber-windows on

# Use CRTL-hjkl keys without prefix key to switch panes
bind-key -T copy-mode-vi 'C-h' select-pane -L
bind-key -T copy-mode-vi 'C-j' select-pane -D
bind-key -T copy-mode-vi 'C-k' select-pane -U
bind-key -T copy-mode-vi 'C-l' select-pane -R
bind-key -T copy-mode-vi 'C-\' select-pane -l
# '

# Shift arrow to switch windows
bind -n S-Left  previous-window
bind -n S-Right next-window

bind r command-prompt -I "#{window_name}" "rename-window '%%'"
bind R command-prompt -I "#{session_name}" "rename-session '%%'"

# set vi-mode
set-window-option -g mode-keys vi

# keybindings
bind-key -n F4 copy-mode
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 -X copy-pipe-and-cancel 'xclip -in -selection clipboard'

# bind - and | to vertical and horizontal split pane
bind - split-window -v -c "#{pane_current_path}"
bind | split-window -h -c "#{pane_current_path}"

# source bash when starting tmux in order to load bashrc
set-option -g default-shell "/usr/bin/fish"
set-option -g default-command fish

# tmux sessionizer options
bind-key -r f run-shell "tmux neww tmux-sessionizer"
bind-key -r p display-popup -E "tmux-sessionizer"

bind-key -r M-1 run-shell "tmux neww tmux-sessionizer 0"
bind-key -r M-2 run-shell "tmux neww tmux-sessionizer 1"
bind-key -r M-3 run-shell "tmux neww tmux-sessionizer 2"
bind-key -r M-4 run-shell "tmux neww tmux-sessionizer 3"


# swich sessions via <prefix>C-s
# https://unix.stackexchange.com/a/342659
bind-key C-s \
    if-shell "(($(tmux display -p '#{session_many_attached}')))" \
    choose-session \
    "run-shell \"tmux choose-session \\\"switch-client -t '%%'; kill-session -t '$(tmux display -p '#S')'\\\"\""

# nvim tmux navigation
# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
vim_pattern='(\S+/)?g?\.?(view|l?n?vim?x?|fzf)(diff)?(-wrapped)?'
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +${vim_pattern}$'"
bind-key -n 'C-up' if-shell "$is_vim" 'send-keys C-up'  'resize-pane -U 5'
bind-key -n 'C-down' if-shell "$is_vim" 'send-keys C-down'  'resize-pane -D 5'
bind-key -n 'C-left' if-shell "$is_vim" 'send-keys C-left'  'resize-pane -L 5'
bind-key -n 'C-right' if-shell "$is_vim" 'send-keys C-right'  'resize-pane -R 5'

# bind -n C-up
# bind -n C-down resize-pane -D 5
# bind -n C-left resize-pane -L 5
# bind -n C-right resize-pane -R 5
bind-key -n 'C-h' if-shell "$is_vim" 'send-keys C-h'  'select-pane -L'
bind-key -n 'C-j' if-shell "$is_vim" 'send-keys C-j'  'select-pane -D'
bind-key -n 'C-k' if-shell "$is_vim" 'send-keys C-k'  'select-pane -U'
bind-key -n 'C-l' if-shell "$is_vim" 'send-keys C-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'"

# set catpucchin flavor to mocha
set -g @catppuccin_flavour 'mocha'

# define tmux plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'dreamsofcode-io/catppuccin-tmux'
set -g @plugin 'tmux-plugins/tmux-yank'

run '~/.tmux/plugins/tpm/tpm'



# Feel free to NOT use this variables at all (remove, rename)
# this are named colors, just for convenience
color_orange="colour166" # 208, 166
color_purple="colour134" # 135, 134
color_green="colour076" # 070
color_blue="colour39"
color_yellow="colour220"
color_red="colour160"
color_black="colour232"
color_white="white" # 015

# This is a theme CONTRACT, you are required to define variables below
# Change values, but not remove/rename variables itself
color_dark="$color_black"
color_light="$color_white"
color_session_text="$color_blue"
color_status_text="colour245"
color_main="$color_orange"
color_secondary="$color_purple"
color_level_ok="$color_green"
color_level_warn="$color_yellow"
color_level_stress="$color_red"
color_window_off_indicator="colour088"
color_window_off_status_bg="colour238"
color_window_off_status_current_bg="colour254"

bind -T root F12  \
    set prefix None \;\
    set key-table off \;\
    set status-style "fg=$color_status_text,bg=$color_window_off_status_bg" \;\
    set window-status-current-format "#[fg=$color_window_off_status_bg,bg=$color_window_off_status_current_bg]$separator_powerline_right#[default] #I:#W# #[fg=$color_window_off_status_current_bg,bg=$color_window_off_status_bg]$separator_powerline_right#[default]" \;\
    set window-status-current-style "fg=$color_dark,bold,bg=$color_window_off_status_current_bg" \;\
    if -F '#{pane_in_mode}' 'send-keys -X cancel' \;\
    refresh-client -S \;\

    bind -T off F12 \
    set -u prefix \;\
    set -u key-table \;\
    set -u status-style \;\
    set -u window-status-current-style \;\
    set -u window-status-current-format \;\
    refresh-client -S

wg_is_keys_off="#[fg=$color_light,bg=$color_window_off_indicator]#([ $(tmux show-option -qv key-table) = 'off' ] && echo 'OFF')#[default]"
set -g status-right "$wg_is_keys_off #{sysstat_cpu} | #{sysstat_mem} | #{sysstat_loadavg} | $wg_user_host"