#autoload

# Provides a function that Allows one to switch the colorscheme in an xterm or
# rxvt, or possibly other terminal emulators, on the fly.  Takes one argument,
# the name of a colorscheme to use.  If no arguments are provided, prints out
# a usage message.

function colorscheme {
  if [ -n "$STY" ]; then
    # Running inside gnu screen - Modify escape codes to be passed through to
    # the parent terminal of the session.
    local prefix="\eP"
    local suffix="\e\\"
  fi


  case $1 in
    light)
      # A light, black-on-grey colorscheme
      local bgcolor="#EEEEEE"
      local fgcolor="#000000"
      local crcolor="rgb:8080/8080/c0c0" # Cursor color
      local color0="#000000"  #Black
      local color1="#E14B4B"  #Red
      local color2="#32C832"  #green
      local color3="#BBBB00"  #yellow
      local color4="#3030FF"  #dark blue
      local color5="#903090"  #magenta
      local color6="#28B4B4"  #cyan
      local color7="#B4B4B4"  #gray
      local color8="#555555"  #light grey
      local color9="#FF5555"  #light red
      local color10="#5FAF00" #light green
      local color11="#FFFF55" #light yellow
      local color12="#0000AF" #light blue
      local color13="#FF55FF" #light magenta
      local color14="#55FFFF" #light cyan
      local color15="#FFFFFF" #bright white
      ;;
    dark)
      # A dark, grey-on-black colorscheme
      local bgcolor="rgb:0000/0000/0000"  # Was rgb:0808/0808/0808
      local fgcolor="rgb:bcbc/bcbc/bcbc"  # Was rgb:8080/8080/8080
      local crcolor="rgb:8080/8080/c0c0"
      local color0="rgb:0000/0000/0000"
      local color1="rgb:9e9e/1818/2828"
      local color2="rgb:aeae/cece/9292"
      local color3="rgb:9696/8a8a/3838"
      local color4="rgb:0000/0000/d7d7"
      local color5="rgb:9696/3c3c/5959"
      local color6="rgb:4141/8181/7979"
      local color7="rgb:9e9e/9e9e/9e9e"
      local color8="rgb:6c6c/6c6c/6c6c"
      local color9="rgb:cfcf/6161/7171"
      local color10="rgb:0000/8787/0000"
      local color11="rgb:ffff/f7f7/9696"
      local color12="rgb:5f5f/5f5f/ffff"
      local color13="rgb:8787/5f5f/8787"
      local color14="rgb:0000/8787/8787"
      local color15="rgb:ffff/ffff/ffff"
      ;;
    matrix)
      # A dark, green-on-black colorscheme
      local bgcolor="rgb:0808/0808/0808"
      local fgcolor="rgb:0000/5f5f/0000"
      local crcolor="rgb:8080/c0c0/8080"
      local color0="rgb:0000/0000/0000"
      local color1="rgb:8787/8787/5f5f"
      local color2="rgb:0000/ffff/0000"
      local color3="rgb:afaf/d7d7/8787"
      local color4="rgb:0000/0000/d7d7"
      local color5="rgb:8787/5f5f/5f5f"
      local color6="rgb:0000/d7d7/afaf"
      local color7="rgb:9e9e/9e9e/9e9e"
      local color8="rgb:6c6c/6c6c/6c6c"
      local color9="rgb:5f5f/5f5f/0000"
      local color10="rgb:0000/a3a3/0000"
      local color11="rgb:ffff/f7f7/9696"
      local color12="rgb:0000/afaf/8787"
      local color13="rgb:5f5f/8787/5f5f"
      local color14="rgb:0000/8787/8787"
      local color15="rgb:ffff/ffff/ffff"
      ;;
    *)
      echo "$1: Invalid selection.  Valid colorschemes are:"
      which $0 | grep "^[^(]*[^*(])" | sed 's/\s*\([^)]*\)).*/\1/g' 
      return;
      ;;
  esac

  echo -n -e "$prefix\e]10;$fgcolor\007$suffix" # Xterm fg
  echo -n -e "$prefix\e]11;$bgcolor\007$suffix" # Xterm bg
  echo -n -e "$prefix\e]39;$fgcolor\007$suffix" # rxvt fg
  echo -n -e "$prefix\e]49;$bgcolor\007$suffix" # rxvt bg
  echo -n -e "$prefix\e]12;$crcolor\007$suffix"
  echo -n -e "$prefix\e]4;0;$color0\007$suffix"
  echo -n -e "$prefix\e]4;1;$color1\007$suffix"
  echo -n -e "$prefix\e]4;2;$color2\007$suffix"
  echo -n -e "$prefix\e]4;3;$color3\007$suffix"
  echo -n -e "$prefix\e]4;4;$color4\007$suffix"
  echo -n -e "$prefix\e]4;5;$color5\007$suffix"
  echo -n -e "$prefix\e]4;6;$color6\007$suffix"
  echo -n -e "$prefix\e]4;7;$color7\007$suffix"
  echo -n -e "$prefix\e]4;8;$color8\007$suffix"
  echo -n -e "$prefix\e]4;9;$color9\007$suffix"
  echo -n -e "$prefix\e]4;10;$color10\007$suffix"
  echo -n -e "$prefix\e]4;11;$color11\007$suffix"
  echo -n -e "$prefix\e]4;12;$color12\007$suffix"
  echo -n -e "$prefix\e]4;13;$color13\007$suffix"
  echo -n -e "$prefix\e]4;14;$color14\007$suffix"
  echo -n -e "$prefix\e]4;15;$color15\007$suffix"
  export COLORSCHEME=$1
}

# vim:ft=zsh