#!/bin/bash
#
# ucolour: Set urxvt (or terminal which understands the same escape sequences)
#          colours.
# Usage: ucolour option <colour> [option <colour> ...]
# Options: -b   Set background.
#          -B   Set highlight background.
#          -c   Set cursor.
#          -f   Set foreground.
#          -F   Set highlight foreground.
#          -m   Set mouse.
#

BG=
FG=
bg=
fg=
cu=
mo=
tmux_prefix=
while getopts ":B:F:b:c:f:m:" opt; do
  case $opt in
    B) BG=$OPTARG;;
    F) FG=$OPTARG;;
    b) bg=$OPTARG;;
    c) cu=$OPTARG;;
    f) fg=$OPTARG;;
    m) mo=$OPTARG;;
  esac
done
shift $((OPTIND-1))

if [ -z "$BG$FG$bg$cu$fg$mo" ]; then
  echo >&2 "Usage: ucolour option <colour> [option <colour> ...]"
  echo >&2 "Options: -b   Set background."
  echo >&2 "         -B   Set highlight background."
  echo >&2 "         -c   Set cursor."
  echo >&2 "         -f   Set foreground."
  echo >&2 "         -F   Set highlight foreground."
  echo >&2 "         -m   Set mouse."
  exit 1
fi

[ -n "$TMUX" ] && tmux_prefix="\033Ptmux;\033"
[ -n "$BG" ] && echo -en "$tmux_prefix\033]17;$BG\007"
[ -n "$FG" ] && echo -en "$tmux_prefix\033]19;$FG\007"
[ -n "$bg" ] && echo -en "$tmux_prefix\033]11;$bg\007"
[ -n "$cu" ] && echo -en "$tmux_prefix\033]12;$cu\007"
[ -n "$fg" ] && echo -en "$tmux_prefix\033]10;$fg\007"
[ -n "$mo" ] && echo -en "$tmux_prefix\033]13;$mo\007"
exit 0