#!/bin/sh
#
# Eterm backgrounds list file update utility
#
# $Id$

LISTFILE=pixmaps.list

if [ "x$1" = "x-m" ]; then
    shift
    ETBG_MENUFILE="$1"
    export ETBG_MENUFILE
    shift
    exec 3> "$ETBG_MENUFILE"
else
    exec 3>/dev/null
fi

if [ "x$1" = "x-h" -o "x$1" = "x--help" ]; then
    echo "Syntax:  Etbg_update_list [path]"
    echo "   (The default path is the current directory.)"
    echo
    exit 0
fi

# Find the pixmap directory
for i in "$1" "$PWD" "$PWD/pix" "$PWD/../pix" ; do
    if [ -d "$i/tile" -o -d "$i/scale" ]; then
        PIXDIR="$i"
        break
    fi
done

cd $PIXDIR

# Make sure sed works; if not, use perl
SEDCMD="sed -e 's/[-_]/ /g' -e 's/^\(.\)/\u\1/' -e 's/ \(.\)/ \u\1/g' -e 's/\....$//'"
if [ "x`echo i | sed -e 's/^\(.\)/\u\1/'`" != "xI" ]; then
    SEDCMD='perl -p -e "s/[-_]/ /g; s/^(.)/\u\1/; s/ (.)/ \u\1/g; s/\....$//;"'
fi

# Generate new pixmap list from tile/ and scale/ directories
echo "Etbg_update_list:  Generating pixmap list file from images in tile/ and scale/..."
true > $LISTFILE.new

cat >&3 <<EOF
begin menu
  title Tiled
EOF
if [ -d tile ]; then
    for i in `(cd tile && ls -1)` ; do 
        echo '"tile/'$i'@0+0:tile"' >> $LISTFILE.new
        echo "  begin menuitem" >&3
        eval echo "\ \ \ \ text \\\"\`echo $i | $SEDCMD\`\\\"" >&3
        echo "    action string \"\\e]20;tile/$i;0+0:tile\\a\"" >&3
        echo "  end" >&3
    done
fi
cat >&3 <<EOF
end
begin menu
  title Scaled
EOF

if [ -d scale ]; then
    for i in `(cd scale && ls -1)` ; do \
        echo '"scale/'$i'@100"' >> $LISTFILE.new ; \
        echo "  begin menuitem" >&3
        eval echo "\ \ \ \ text \\\"\`echo $i | $SEDCMD\`\\\"" >&3
        echo "    action string \"\\e]20;scale/$i;100\\a\"" >&3
        echo "  end" >&3
    done
fi
echo "end" >&3

# Check to see if the list has changed.  If so, back up the old one.
if [ -s $LISTFILE ]; then
    if (diff $LISTFILE $LISTFILE.new >/dev/null 2>&1); then
        echo "Pixmap list is unchanged."
        rm -f $LISTFILE.new
    else
        echo "Old pixmap list will be saved in $LISTFILE.old"
        mv -f $LISTFILE $LISTFILE.old
    fi
fi
if [ -s $LISTFILE.new ]; then
    mv -f $LISTFILE.new $LISTFILE
fi

# If there's no theme directory nearby, just quit.
if [ ! -d "../themes" ]; then
    exit 0
fi

# If there is, cd into it and make sure all the themes have list files.
cd ../themes
for i in `ls -1` ; do
    if [ -f $i/theme.cfg -a ! -f $i/$LISTFILE ]; then
        echo "Creating symlink to $LISTFILE for theme $i"
        rm -f $i/$LISTFILE
        ln -f -s ../../pix/$LISTFILE $i/$LISTFILE
    fi
done