# minimal tmux config

# history
set -g history-limit 100000

# mouse
set -g mouse on
set -s set-clipboard on
set -g allow-passthrough on

# utf8 / colors
set -g default-terminal "tmux-256color"
set -as terminal-overrides ",*:Tc"
set -as terminal-overrides ',*:Smulx=\E[4::%p1%dm'
set -as terminal-overrides ',*:Setulc=\E[58::2::%p1%{65536}%/%d::%p1%{256}%/%{255}%&%d::%p1%{255}%&%d%;m'
set -g extended-keys on
set -as terminal-features 'xterm*:extkeys'

# panes retain path
bind '"' split-window -v -c "#{pane_current_path}"
bind % split-window -h -c "#{pane_current_path}"

# shift+arrow window switching (no wrap)
bind -n S-Left if-shell "[ #{window_index} -ne $(tmux list-windows -F '##{window_index}' | head -1) ]" "previous-window"
bind -n S-Right if-shell "[ #{window_index} -ne $(tmux list-windows -F '##{window_index}' | tail -1) ]" "next-window"

# alt+arrow pane switching
bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up select-pane -U
bind -n M-Down select-pane -D

# alt+[ / alt+] pane switching (prev/next)
bind -n M-[ select-pane -t :.-
bind -n M-] select-pane -t :.+

# swap windows left/right with PgUp/PgDn (no wrap)
bind-key -n PgUp if-shell "[ #{window_index} -ne $(tmux list-windows -F '##{window_index}' | head -1) ]" "swap-window -t -1\; select-window -t -1"
bind-key -n PgDn if-shell "[ #{window_index} -ne $(tmux list-windows -F '##{window_index}' | tail -1) ]" "swap-window -t +1\; select-window -t +1"

# sensible defaults
set -s escape-time 10
set -g base-index 1
setw -g pane-base-index 1
set -g renumber-windows on
set -g detach-on-destroy off

# Auto-rename windows: directory/process
set -g automatic-rename on
set -g automatic-rename-format '#{pane_current_command}@#{b:pane_current_path}#{?pane_title,: #{pane_title},}'

# Rename window (prefix + R)
bind R command-prompt -I "#{window_name}" "rename-window '%%'"

# Move window to session (prefix + M), creates session if needed
bind M run-shell 'tmux display-popup -E "tmux-move-to-session #{window_id}"'

# Fuzzy window switcher (prefix + f)
bind f display-popup -h 80% -E "tmux list-windows -F '#{window_index}: #{window_name}' | fzf --reverse --height=100% | cut -d: -f1 | xargs tmux select-window -t"

# status bar
set -g status-style "bg=#262626,fg=#a8a8a8"
set -g status-left "#[fg=#080808,bg=#00af00,bold]#S#[fg=#00af00,bg=#262626,nobold]"
set -g status-left-length 30
set -g status-right ""
set -g status-right-length 40

# window tabs
setw -g window-status-format "#{?#{m:*[13579],#{window_index}},#[fg=#262626]#[bg=#282828]#[fg=#848484] #I #W #[fg=#282828]#[bg=#262626],#[fg=#262626]#[bg=#1e1e1e]#[fg=#747474] #I #W #[fg=#1e1e1e]#[bg=#262626]}"
setw -g window-status-current-format "#[fg=#262626,bg=#00af00]#[fg=#080808,bg=#00af00,bold] #I #W #[fg=#00af00,bg=#262626]"
setw -g window-status-separator ""

# pane borders
set -g pane-border-style "fg=#444444"
set -g pane-active-border-style "fg=#00af00"