# minimal tmux config

# history
set -g history-limit 100000

# mouse
set -g mouse on

# utf8 / colors
set -g default-terminal "screen-256color"
set -q -g status-utf8 on
setw -q -g utf8 on

# 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"

# 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

# 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 '%%'"

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

# status bar
set -g status-style "bg=colour235,fg=colour248"
set -g status-left "#[fg=colour232,bg=colour34,bold]#S#[fg=colour34,bg=colour235,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=colour235]#[bg=colour236]#[fg=colour250] #I #W #[fg=colour236]#[bg=colour235],#[fg=colour235]#[bg=colour233]#[fg=colour244] #I #W #[fg=colour233]#[bg=colour235]}"
setw -g window-status-current-format "#[fg=colour235,bg=colour34]#[fg=colour232,bg=colour34,bold] #I #W #[fg=colour34,bg=colour235]"
setw -g window-status-separator ""

# pane borders
set -g pane-border-style "fg=colour238"
set -g pane-active-border-style "fg=colour34"