#!/bin/sh
# Convert IceWM Icons from KDE's
# This script requires ImagemagicK

# Global variables
if [ "$UID" = "0" ]; then
  BASEDIR="/usr/share/icons"
  BASETARGET="/usr/share/icons"
else
  BASEDIR="$HOME/.icons"
  BASETARGET="$HOME/,icewm"
fi
SIZES="16x16 32x32"
EXCLUDES="
folder
file_locked
folder_cyan
folder_gnome
folder_yellow
exec_wine
file_important
folder_wordprocessing
file_temporary
folder_txt
folder_cd
folder_yellow_open
folder_violet
shredder
folder_important
folder_penguin
blockdevice
zip
folder_orange_open
folder_violet_open
folder_grey_open
folder_cyan_open
folder_sound
folder_html
folder_image
temporary
folder_grey
pipe
file_broken
desktop
folder_red_open
lockoverlay
socket
folder_orange
folder_blue_open
home_white
folder_kde
folder
folder_red
services
home_blue
folder_midi
network_local
folder_locked
folder_blue
folder_print2
camera
exec
folder_man
desktop2
folder_tar
folder_open
folder_green
folder_video
link
folder_green_open
"

show_help()
{
echo "Usage: iconicewm <kde_icons> [ice_icons]"
echo "Convert KDE icon theme to IceWM icons"
echo 
echo "Example"
echo 
echo "iconicewm theme"
echo "   convert $BASEDIR/theme to $BASETARGET/ICE-theme"
exit 0
}

# substitute a theme
# vars: THEMEDIR, DEFAULT, SIZES 
mtheme()
{
  mkdir -p $TARGET
  if [ ! $? = 0 ]; then
     echo Can not create $TARGET, FAILED !
     return 1
  fi
  echo Converting $TARGET ...
  IMAGES=0
  SYMLINKS=0
  for DIR in apps devices filesystems; do
     for ICON in $THEMEDIR/32x32/$DIR/*.png ; do
       NAME=`basename $ICON .png`
       if echo "$EXCLUDES" | grep -qw $NAME; then
          continue
       fi
       if [ -L $ICON ]; then
          ICON1=`readlink $ICON`
          NAME1=`basename $ICON1 .png`
          [ ! -f $TARGET/${NAME1}_32x32.xpm ] && \
	    convert $THEMEDIR/32x32/$DIR/$ICON1 $TARGET/${NAME1}_32x32.xpm
          [ ! -f $TARGET/${NAME1}_16x16.xpm ] && \
	    convert $THEMEDIR/32x32/$DIR/$ICON1 -resize 16x16 $TARGET/${NAME1}_16x16.xpm
          echo -n '-'
	  pushd $TARGET > /dev/null
	  ln -sf ${NAME1}_32x32.xpm ${NAME}_32x32.xpm
	  ln -sf ${NAME1}_16x16.xpm ${NAME}_16x16.xpm
	  popd  > /dev/null
	  let SYMLINKS=$SYMLINKS+1
       else
          [ ! -f "$TARGET/${NAME}_32x32.xpm" ] && convert $ICON $TARGET/${NAME}_32x32.xpm
          [ ! -f "$TARGET/${NAME}_16x16.xpm" ] && convert $ICON -resize 16x16 $TARGET/${NAME}_16x16.xpm
          echo -n '+'
	  let IMAGES=$IMAGES+1
       fi
     done
  done
  rm $TARGET/folder_??x??.xpm
  if [ ! -f $TARGET/index.icewm ]; then
  echo
  echo "#Converted from KDE Icon theme by iconicewm" > $TARGET/index.icewm
  echo "[IceWM Icon Theme]" >> $TARGET/index.icewm
  if [ -f $THEMEDIR/index.theme ]; then
    NAME=`grep -e "^Name=" $THEMEDIR/index.theme`
    echo "$NAME for IceWM" >> $TARGET/index.icewm
    grep -m 1 -e "^Comment=" $THEMEDIR/index.theme >> $TARGET/index.icewm
  elif [ -f $THEMEDIR/index.desktop ]; then
    NAME=`grep -e "^Name=" $THEMEDIR/index.desktop`
    echo "$NAME for IceWM" >> $TARGET/index.icewm
    grep -m 1 -e "^Comment=" $THEMEDIR/index.desktop >> $TARGET/index.icewm
  else
    NAME=`basename $THEMEDIR`
    echo "$NAME for IceWM" >> $TARGET/index.icewm
    echo "Comment=$NAME converted by iconicewm" >> $TARGET/index.icewm
  fi
  fi
  echo
  echo "Total images   = $IMAGES"
  echo "Total symlinks = $SYMLINKS"
  echo "Calculating size ..."
  du $TARGET
}

######################################################################
# Main program

[ "$1" == "" ] && show_help
[ "$1" == "-h" ] && show_help
[ "$1" == "--help" ] && show_help

if [ -d $1 ]; then
      THEMEDIR=$1
elif [ -d $BASEDIR/$1 ]; then
      THEMEDIR=$BASEDIR/$1
else
      echo "Cannot find icons $1"
      exit 1
fi
if ! grep -qe "^[KDE Icon Theme]" $THEMEDIR/index.theme &> /dev/null &&
   ! grep -qe "^[KDE Icon Theme]" $THEMEDIR/index.desktop &> /dev/null ; then
   echo "Excuse me, $THEMEDIR is not a KDE icon theme"
   exit 1
fi

if [ "$2" ]; then
    TARGET=$2
else
    TARGET=`dirname $1`/ICE-`basename $1`
fi
mtheme