.tmux.conf

# https://github.com/tmux/tmux/wiki/Advanced-Use

# The command to pipe to if the copy-pipe copy mode command is used without arguments
set -s copy-command "clipcopy"

# utf8 is on
# tmux can also be forced to use UTF8 via tmux -u <command>
setw -q -g utf8 on

# Set TMUX_VERSION env variable.
run-shell "tmux setenv -g TMUX_VERSION $(tmux -V | cut -c 6-)"

# set is the alias of set-option.
# Set a pane option with -p, a window option with -w, a server option with -s, otherwise a session option.  If
# the option is not a user option, -w or -s may be unnecessary - tmux will infer the type from the option name,
# assuming -w for pane options.  If -g is given, the global session or window option is set.

# Enable 24-bit "True color" support
# https://github.com/tmux/tmux/wiki/FAQ#how-do-i-use-a-256-colour-terminal
# https://github.com/tmux/tmux/wiki/FAQ#how-do-i-use-rgb-colour
set -g default-terminal "tmux-256color"
set -ga terminal-overrides ",xterm-256color:RGB"
# Set 256 colours support for all terminal `$TERM` types.
set -g terminal-features ",*:RGB"

# Undercurl, taken from: https://github.com/folke/lsp-colors.nvim
set -as terminal-overrides ",*:Smulx=\E[4::%p1%dm"  # undercurl support
set -as terminal-overrides ",*:Setulc=\E[58::2::%p1%{65536}%/%d::%p1%{256}%/%{255}%&%d::%p1%{255}%&%d%;m"  # underscore colours - needs tmux-3.0

# set zsh as your default Tmux shell
# With this, PATH exported by zsh via zi is also available to tmux
set -g default-shell $HOME/.zi/polaris/bin/zsh

# scrolling
set -g mouse off

# decrease command delay (increases vim responsiveness)
set -sg escape-time 1

# increase repeat time for repeatable commands
set -g repeat-time 1000

# 0 is at the wrong end of the keyboard
set -g base-index 1 #windows
set -g pane-base-index 1
# renumber windows sequentially after closing any of them
set -g renumber-windows on

# notifications
set -g visual-activity off
set -g visual-bell off
set -g visual-silence on
setw -g monitor-activity off
set -g bell-action none

# TMUX prefix key (similar Vim leader key)
unbind C-b # remap tmux leader key
set -g prefix C-Space
bind C-Space send-prefix

# M is meta key, usually Alt
# switch panes using Alt without prefix
bind -n M-h select-pane -L
bind -n M-l select-pane -R
bind -n M-k select-pane -U
bind -n M-j select-pane -D

# Toggle between last active window
bind-key a last-window

# windows
bind r source-file $HOME/.tmux.conf
# Rebind spit and new-window commands to use current path
bind s split-window -h -c "#{pane_current_path}"
bind x split-window -v -c "#{pane_current_path}"
# bind """ choose-tree -w # use tmux-fzf to show and switch windows

# dont allow renaming window short name
set -g allow-rename off

# COPY MODE
# https://sunaku.github.io/tmux-yank-osc52.html "Copying to clipboard from tmux and Vim using OSC 52"
# https://dev.to/iggredible/the-easy-way-to-copy-text-in-tmux-319g
# Use vim keybindings in copy mode
setw -g mode-keys vi
# Setup 'v' to begin selection as in Vim
bind -T copy-mode-vi v send -X begin-selection
bind -T copy-mode-vi V send -X select-line
# Setup 'y' to copy selection as in Vim
# Use reattach-to-user-namespace with pbcopy on OS X
# Use xclip on Linux
set -g set-clipboard off
# buffer length
set -g history-limit 9999 # NOTE: the maximum allowed limit is 32767
if-shell 'test "$(uname -s)" = Darwin' 'bind-key -T copy-mode-vi y send -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy 2> /dev/null"' 'bind-key -T copy-mode-vi y send -X copy-pipe-and-cancel "xclip -i -selection clipboard"'
bind ^J copy-mode # any unmapped key to quit
# Clear scrollback
bind q clear-history
# search buffer using copy mode
# advanced using vim: https://sunaku.github.io/tmux-searchable-scrollback.html
bind-key -n M-/ copy-mode \;\
  command-prompt -p 'search-backward (press up):' \
      -i 'send-keys -X search-backward-incremental "%%%"'

# status bar
# set -g status off
set -g status-position top
set -g status-interval 3 # seconds
set -g status-left ""
set -g status-right ""

set -g pane-active-border-style bg=default,fg=magenta
set -g pane-border-style fg=magenta

# https://unix.stackexchange.com/questions/269537/how-do-i-make-the-tmux-rename-window-prompt-empty-by-default
bind-key , command-prompt "rename-window '%%'"

# resurrect and continuum
set -g @resurrect-strategy-vim "session"
set -g @resurrect-strategy-nvim "session"
set -g @resurrect-save "S"
set -g @resurrect-restore "R"
set -g @resurrect-processes "true"
set -g @continuum-restore "on"
set -g @continuum-save-interval "10"

# extrakto
# set -g @extrakto_fzf_tool "$HOME/.zi/polaris/bin/fzf"
set -g @extrakto_insert_key "enter"
set -g @extrakto_copy_key "tab"
# tries to use clip.exe when set to auto in wsl
set -g @extrakto_clip_tool "xclip -i -selection clipboard >/dev/null"

# tmux-session-wizard
set -g @session-wizard "T"

# tmux-fuzzback
set -g @fuzzback-bind ?
set -g @fuzzback-popup 1
set -g @fuzzback-hide-preview 1
set -g @fuzzback-finder-bind "ctrl-y:execute-silent(echo -n {3..} | xsel -ib)+abort"

# tmux-fzf
# if `tmux run-shell -b 'command -v fzf' fails, check if fzf is available in tmux
# $PATH via `tmux run-shell -b 'echo $PATH'`
TMUX_FZF_PREVIEW=0
TMUX_FZF_OPTIONS="-p -w 30% -h 38% -m"
bind-key f run-shell -b "~/.tmux/plugins/tmux-fzf/scripts/window.sh switch"

# pomodoro
set -g @pomodoro_on "#[fg=$onedark_red]🍅 "
set -g @pomodoro_complete "#[fg=$onedark_green]🍅 "
set -g @pomodoro_pause "#[fg=$onedark_yellow]🍅 "
set -g @pomodoro_prompt_break "#[fg=$onedark_green]🕤 ? "
set -g @pomodoro_prompt_pomodoro "#[fg=$onedark_gray]🕤 ? "
set -g @pomodoro_interval_display "[%s/%s]"
set -g @pomodoro_notifications "on"

# Set CPU percentage in status bar
# updates every $status-interval seconds (caution: has to be the same as tmux variable status-interval)
set -g @onedark_widgets "#[default]#(tmux-mem-cpu-load --vertical-graph --interval 3 --averages-count 0) #{pomodoro_status}"
# show a tab instead of time
set -g @onedark_date_format "%t"

# tmux-thumbs
set -g @thumbs-key y
set -g @thumbs-contrast 1
set -g @thumbs-command "echo -n {} | xclip -i -sel clipboard"
set -g @thumbs-position off_lefl

# tmux-navigate
# Seamless tmux/vim navigation (over SSH too!)
# QWERTY layout
set -g @navigate-left  '-n M-h'
set -g @navigate-down  '-n M-j'
set -g @navigate-up    '-n M-k'
set -g @navigate-right '-n M-l'
set -g @navigate-back  '-n M-\'

## TPM -- tmux plugin manager
# List of plugins
# IMPORTANT: run PREFIX + I to fetch plugins and load it
set -g @plugin "tmux-plugins/tpm"
set -g @plugin "tmux-plugins/tmux-sensible"
set -g @plugin "odedlaz/tmux-onedark-theme"
set -g @plugin "laktak/extrakto"
# set -g @plugin "fcsonline/tmux-thumbs"
set -g @plugin "sainnhe/tmux-fzf"
set -g @plugin "tmux-plugins/tmux-resurrect"
set -g @plugin "tmux-plugins/tmux-continuum"
set -g @plugin "olimorris/tmux-pomodoro-plus"
# set -g @plugin "27medkamal/tmux-session-wizard"
set -g @plugin "roosta/tmux-fuzzback"
set -g @plugin 'sunaku/tmux-navigate'

# Automatic installation of Tmux Plugin Manager
if "test ! -d ~/.tmux/plugins/tpm" \
   "run 'git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm && ~/.tmux/plugins/tpm/bin/install_plugins'"

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
# You will need to install the plugins using the `<prefix> + I` binding.
# To update the plugins, you will need to use `<prefix> + U`
# To remove plugins, you will need to use `<prefix> + alt + u`
run -b '~/.tmux/plugins/tpm/tpm'