# tweak colors used by tmux
set -g status-style bg=cyan,fg=black
set -g window-status-current-style bg=black,fg=white
set -g mode-style bg=cyan,fg=black
set -g pane-border-style bg=color234,fg=black

# replace default prefix key
set -g prefix C-Space
unbind C-b
bind C-Space send-prefix

# use vi-style keybindings
# this also makes hitting Enter exit copy-mode, which is a godsend
setw -g mode-keys vi

# need this for ctrl+arrows, etc.
set -g xterm-keys on

# remove delay on escape key
set -sg escape-time 0

# set the terminal title to the current window's
set -g set-titles on
set -g set-titles-string '#{host}: #{pane_title}'

# don't create absurdly long statuses with Windows-style paths
setw -g window-status-format "#I:#{s/.*\\\\|\.exe//:pane_current_command}"
setw -g window-status-current-format "#I:#{s/.*\\\\|\.exe//:pane_current_command}"

# don't wrap around with searches
setw -g wrap-search off

# set the default terminal to tmux instead of pretending to be screen.
# NOTE: netbsd-curses requires a terminfo.cdb to be built with tmux support.
#       for my own convenience:
#       curl https://eaguru.guru/t/terminfo.cdb -o /usr/share/terminfo.cdb
set -g default-terminal "tmux-256color"

# set right-hand status line text, default: "#{=21:pane_title}" %H:%M %d-%b-%y
set -g status-right "#{=21:host}  %Y/%m/%d %R"

# increase scrollback lines from 2000
set -g history-limit 10000

# increase message time from 750ms
set -g display-time 2500

# remember commands entered in the prompt
set -g history-file ~/.tmux_history
set -g history-limit 1000

# jump into copy-mode for Shift+PgUp, scroll half a page instead of a full page
# switching modes is not ideal but it's the only way to scroll within tmux
bind -n S-PgUp copy-mode \; send-keys -X halfpage-up
bind -n S-Home copy-mode \; send-keys -X history-top

# bind Shift+PgUp/PgDn/Home/End to Do The Right Thing™
bind -T copy-mode-vi S-PgUp send-keys -X halfpage-up
bind -T copy-mode-vi S-PgDn send-keys -X halfpage-down
bind -T copy-mode-vi S-Home send-keys -X history-top
bind -T copy-mode-vi S-End  send-keys -X history-bottom \; send-keys -X cancel

# Ctrl+PgUp/PgDn to navigate windows (like web browsers)
bind -n C-PgUp previous-window
bind -n C-PgDn next-window

# Ctrl+Shift+PgUp/PgDn to reorder windows (like web browsers)
bind -n C-S-PgUp swap-window -d -t -1
bind -n C-S-PgDn swap-window -d -t +1

# Shift+Arrows to switch panes
bind -n S-Left  select-pane -L
bind -n S-Right select-pane -R
bind -n S-Up    select-pane -U
bind -n S-Down  select-pane -D

# Ctrl+Arrows to create panes
#bind -n C-Down  split-window -v
#bind -n C-Up    split-window -v -b
#bind -n C-Right split-window -h
#bind -n C-Left  split-window -h -b

# convenient binds
# overrides refresh-clients
#bind r source-file ~/.tmux.conf
# overrides choose-tree -Zs
#bind s split-window -v
# doesn't override anything
bind v split-window -h
# doesn't override anything (assuming prefix key was changed)
bind b split-window -v
# overrides confirm-before -p "kill-pane #P? (y/n) " kill-pane
bind x kill-pane
# doesn't override anything?
bind e detach-client -E 'exit 1'
# doesn't override anything?
bind a new-window 'exec vim'