#!/bin/sh

# 06-May-2009
# Updated by Stuart Winter <mozes@slackware.com>
# Run 'setfont' in a chroot.  This makes setfont work
# correctly in the installer.
# 2010-04-28, add LatKaCyrHeb-14.psfu.gz <volkerdi>
# 25-Mar-2018, generate font list on the fly <David Woodfall>
# 02-Oct-2023, don't run setfont if no font was previously loaded <volkerdi>

if [ "$TMP" = "" ]; then
  TMP=/var/log/setup/tmp
fi

# Has this script loaded a font?
FONT_LOADED=false

get_font_list() {
  LS_FONTS=$(/bin/ls $T_PX/usr/share/kbd/consolefonts/*.gz \
    | rev | cut -f 1 -d / | rev | tail -n +10 | sed "s%$% ''%g" | tr '\n' ' ')
  CP_FONTS="'161.cp.gz -16' '' '162.cp.gz -16' '' '163.cp.gz -16' '' \
    '164.cp.gz -16' '' '165.cp.gz -16' '' '737.cp.gz -16' '' \
    '880.cp.gz -16' '' '928.cp.gz -16' '' '972.cp.gz -16' '' "
  ALL_FONTS="$CP_FONTS$LS_FONTS"
}

load_font() {
  if [ ! -z "$T_PX" ]; then
    CHROOT="chroot $T_PX"
  fi

  $CHROOT setfont $*
  if [ ! $? = 0 ]; then
    if [ -r $T_PX/usr/share/kbd/consolefonts/$1 ]; then
      $CHROOT setfont $T_PX/usr/share/kbd/consolefonts/$* 1> /dev/null 2> /dev/null
      FONT_LOADED=true
    elif [ -r $T_PX/usr/lib/kbd/consolefonts/$1 ]; then
      $CHROOT setfont $T_PX/usr/lib/kbd/consolefonts/$* 1> /dev/null 2> /dev/null
      FONT_LOADED=true
    elif [ -r /var/adm/mount/live/usr/lib/kbd/consolefonts/$1 ]; then
      $CHROOT setfont /var/adm/mount/live/usr/lib/kbd/consolefonts/$* 1> /dev/null 2> /dev/null
      FONT_LOADED=true
    else # load default font
      $CHROOT setfont
      FONT_LOADED=true
    fi
  fi
}

# Determine effective root path:
if [ -r $TMP/SeTT_PX ]; then
  T_PX="`cat $TMP/SeTT_PX`"
elif [ ! "$1" = "" ]; then
  T_PX=$1
else
  T_PX=/
fi

if [ ! "$COLOR" = "off" -o -r $TMP/SeTcolor -o -r /tmp/SeTcolor ]; then # use color menus
  if [ ! "$1" = "" ]; then
    dialog --title "CONSOLE FONT CONFIGURATION" --defaultno --yesno "Would you like to try \
out some custom screen fonts?" 5 60
    if [ $? = 1 ]; then
      exit
    fi
  fi

  get_font_list

  REPLY=`mktemp -q $TMP/temp.XXXXXX`
  FONT="161.cp.gz -16"
  while [ 0 ]; do
    sh -c "dialog --default-item \"$FONT\" --title \"SELECT A SCREEN FONT\" \
      --menu \"Select one of the following custom fonts. If you decide you \
like it, you can make it your new default screen font. You'll be able \
to try as many of these as you like.\" 21 65 12 -- $ALL_FONTS 2> $REPLY"
    if [ ! $? = 0 ]; then
      if [ "$FONT_LOADED" = "true" ]; then
        load_font
      fi
      exit
    fi
    FONT=`cat $REPLY`
    rm -f $REPLY
    load_font $FONT
    while [ 0 ]; do
      # Match the dialog colors a little while doing the font test:
      setterm -background cyan -foreground black -blank 0
      clear
      cat << EOF

OK, the new font is now installed. You may now test it by typing
anything you want. To quit testing the font, enter 1 on a line by
itself to accept the font and go on, or 2 on a line by itself to
reject the current font and select a new one.

EOF
      read REPLY
      if [ "$REPLY" = "1" -o "$REPLY" = "2" ]; then
        break;
      fi
    done
    if [ "$REPLY" = "1" ]; then
      cat << EOF > $T_PX/etc/rc.d/rc.font
#!/bin/sh
#
# This selects your default screen font from among the ones in
# /usr/share/kbd/consolefonts.
#
setfont -v $FONT
EOF
      chmod 755 $T_PX/etc/rc.d/rc.font
      reset
      exit
    else
      load_font
    fi
  done
else # no color!
  echo
  echo -n "Would you like to try out some custom screen fonts ([y]es, [n]o)? "
  read YESNO;
  if [ "$YESNO" = "n" ]; then
    exit
  fi
  get_font_list
  while [ 0 ]; do
    cat << EOF

SELECT A SCREEN FONT.  Your choices are:

$(echo $ALL_FONTS | sed "s/'//g" | sed "s/ -16//g" | sed "s/  / /g" | sed "s/  / /g" | sed "s/  / /g" | tr '\n' ' ' | fold -w $(tput cols) -s)

EOF
    echo -n "Which font would you like (or ENTER to quit)? "
    read FONT;
    if [ "$FONT" = "" ]; then
      load_font
      echo
      exit
    fi
    if [ ! -r $T_PX/usr/share/kbd/consolefonts/$FONT -a ! -r \
         /var/adm/mount/usr/share/kbd/consolefonts/$FONT ]; then
      cat << EOF

Sorry, I couldn't find that font. Try again.

EOF
    fi
    load_font $FONT
    while [ 0 ]; do
      cat << EOF

OK, the new font is now installed. You may now test it by typing
anything you want. To quit testing the font, enter 1 on a line by
itself to accept the font and go on, or 2 on a line by itself to
reject the current font and select a new one.

EOF
      read REPLY
      if [ "$REPLY" = "1" -o "$REPLY" = "2" ]; then
        break;
      fi
    done
    if [ "$REPLY" = "1" ]; then
      cat << EOF > $T_PX/etc/rc.d/rc.font
#!/bin/sh
#
# This selects your default screen font from among the ones in
# /usr/share/kbd/consolefonts.
#
setfont -v $FONT
EOF
      chmod 755 $T_PX/etc/rc.d/rc.font
      reset
      exit
    else
     load_font
    fi
    echo
  done
fi