#!/bin/bash
#  Copyright (C) 2009-2010  Matias Fonzo, Santiago del Estero, AR
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Localización:
TEXTDOMAINDIR=/usr/local/share/locale
TEXTDOMAIN=gpmconfig

# Directorio temporal:
TMP=${TMP:-/tmp}
[[ ! -d $TMP ]] && mkdir -p "$TMP"

TEMPFILE=${TMP}/gpmconfig-reply$$

rm -f $TEMPFILE
while [[ ! -s $TEMPFILE ]]; do
  dialog \
   --backtitle $"Mouse configuration tool" \
   --title $"MOUSE" \
   --menu \
$"Welcome to gpmconfig.  A configuration tool for the mouse selection.\n\n\
The PS/2 model is the most common model for laptops.  Otherwise, \
you can select the USB model or see the rest of the models.\n\n\
Select your mouse type:" 20 70 12 \
   "" $"--> Mouse type (PS/2)" \
   "ps2" $"Common mouse for PS2 series" \
   "imps2" $"Microsoft Intellimouse autodetect 2/3 buttons" \
   "exps2" $"IntelliMouse Explorer - 3 buttons" \
   "netmouse" $"Genius NetMouse - 4 buttons" \
   "ncr" $"Ncr3125pen found on some laptops" \
   "" $"--> Mouse type (USB)" \
   "imps2usb" $"Also a common protocol for USB devices" \
   "" $"--> Mouse type (Serial)" \
   "acecad" $"Acecad tablet absolute mode" \
   "bare" $"Microsoft compatible - 2 buttons" \
   "genitizer" $"Genitizer tablet, in relative mode" \
   "logi" $"Logitech devices" \
   "logim" $"Logitech into Mouse-Systems compatible" \
   "twid" $"Twidddler keyboard" \
   "wacom" $"Wacom Protocol IV tablets" \
   "mman" $"The MouseMan and similar devices" \
   "ms" $"Microsoft-compatible - 3 buttons" \
   "ms3" $"Microsoft Intellimouse - 3 buttons" \
   "msc" $"Mouse-Systems compatible.  Most 3-button mice" \
   "pnp" $"Plug and Play mice.  Doesn't work with 'ms'" \
   "wp" $"Genius WizardPad tablet" \
   "" $"--> Miscellaneous devices" \
   "js" $"Mouse emulation with a Joystick" \
    2> $TEMPFILE
    RETCODE=$?
    if (( $RETCODE != 0 )); then
      rm -f $TEMPFILE
      exit $RETCODE;
    fi
done

if [[ -f $TEMPFILE ]]; then
  ANSWER=$(cut -f 1 -d ' ' $TEMPFILE)
fi

case "$ANSWER" in
  ps2|imps2|exps2|ncr)
    DEVICE=/dev/psaux
    ;;
  imps2usb)
    ANSWER=imps2
    DEVICE=/dev/input/mice
    ;;
  acecad|bare|genitizer|logi*|twid|wacom|mman|ms*|pnp|wp)
    dialog \
     --title $"SERIAL PORT" \
     --backtitle $"Mouse configuration tool" \
     --menu $"Your mouse requires a port communication:" 0 0 0 \
      "ttyS0" $"Serial port 0, COM1 under DOS" \
      "ttyS1" $"Serial port 1, COM2 under DOS" \
      "ttyS2" $"Serial port 2, COM3 under DOS" \
      "ttyS3" $"Serial port 3, COM4 under DOS" \
       2> ${TMP}/gpmconfig-reply-serdev$$
      RETCODE=$?; (( $RETCODE != 0 )) && "$0" && RETCODE=0;
      DEVICE=$(cut -f 1 -d ' ' ${TMP}/gpmconfig-reply-serdev$$)
      rm -f ${TMP}/gpmconfig-reply-serdev$$
    ;;
  js)
    DEVICE=/dev/js0
    ;;
  *)
    RETCODE=1;
esac

# Escribe el archivo de configuración si es adecuado:
if [[ $DEVICE ]]; then
  # Hace un enlace fresco:
  ( cd /dev && rm -f mouse && ln -s $DEVICE mouse )
  # Escribimos los valores de configuración:
  mkdir -p /etc/sysconfig
  printf "%s\n" \
   "# /etc/sysconfig/gpm:  File configuration for gpm." \
   "" \
   "# Mouse acceleration (the default is 2):" \
   "ACCEL=2" \
   "" \
   "# Mouse protocol:" \
   "PROTO=$ANSWER" \
   "" \
   "# Mouse device:" \
   "DEV=$DEVICE" \
   "" > /etc/sysconfig/gpm
  # Ahora, el archivo de inicio para runit:
  mkdir -p /etc/runit/runsvdir/default /etc/sv/gpm

  printf "%s\n" \
   "#!/bin/sh" \
   "#" \
   "# gpm:  The main mouse server for GNU Linux." \
   "#" \
   "" \
   ". /etc/sysconfig/gpm || exit 1;" \
   "" \
   "if [ -x /usr/sbin/gpm ]; then" \
   "  exec /usr/sbin/gpm -D -m \$DEV -t \$PROTO -a \$ACCEL > /dev/null 2>&1" \
   "fi" "" > /etc/sv/gpm/run

   # Reiniciamos el servicio para que surta efecto:
   chmod 755 /etc/sv/gpm/run
   ( cd /etc/runit/runsvdir/default && ln -sf /etc/sv/gpm . )
fi

exit $RETCODE