#!/bin/ksh
# *                                                                      *
# * (c) Copyright 1993, 1994 Hewlett-Packard Company                     *
# * (c) Copyright 1993, 1996 International Business Machines Corp.       *
# * (c) Copyright 1993, 1994 Sun Microsystems, Inc.                      *
# * (c) Copyright 1993, 1994 Novell, Inc.                                *
# *
#############################################################################
###
###  File:              dtsession_res
###
###  Default Location:  /usr/dt/bin/dtsession_res
###
###  Purpose:           Load the RESOURCE_MANAGER with desktop resources
###
###  Description:       This script is invoked to load or reload the 
###                     RESOURCE_MANAGER from the desktop resource files.
###
###  Invoked by:        The desktop Session Manager at session startup, 
###                     or user by means of 'dtaction LoadResources'.
###                     This script should not be invoked directly.
###
###  Product:           @(#)Common Desktop Environment 1.0
###
###                     (c) Copyright 1993, 1994 Hewlett-Packard Company
###                     (c) Copyright 1993, 1994 International Business
###                         Machines Corp.
###                     (c) Copyright 1993, 1994 Sun Microsystems, Inc.
###                     (c) Copyright 1993, 1994 Unix System Labs, Inc., 
###                         a subsidiary of Novell, Inc.
###
###  Note:              Please do not modify this file.
###                     Later product updates will overwrite this file.
###
###  Revision:          $Revision: 1.4 $
###
#############################################################################

USRBIN=/usr/bin

Msg()
{
  #
  # $1 - message catalog number
  # $2 - fallback message text
  #
  echo "$2"
  #dspmsg dtsession_res.cat -s 1 $1 "$2"
}

Usage()
{
  #
  # $1 - message catalog number 
  #
  Msg 1 "dtsession_res -load|-merge [-system] [-xdefaults] [-file <name>]"
  case $1 in
    needArgs) Msg 2 "Option -load or -merge must be specified";;
    xrdbOptDone) Msg 3 "Option -load or -merge already specified";;
    needFile) Msg 4 "Missing <filename> after -file option";;
    unknownArg) Msg 5 "Unknown option specified";;
    #needOption);;    #this is the Usage statement above
  esac
  exit 1
}


#
# Parse options
#
if [ $# -eq 0 ]; then
  Usage needArgs
fi

rFactory=/usr/dt/config/$LANG/sys.resources
rFactoryC=/usr/dt/config/C/sys.resources

rCustom=/etc/dt/config/$LANG/sys.resources

rXdefaults=$HOME/.Xdefaults

xrdbOption=""
resourceFiles=""

while [ $# -gt 0 ]; do
  case $1 in 
    -load|-merge)
      #
      # xrdb option specified
      #
      if [ ! -z "$xrdbOption" ]; then
        Usage xrdbOptDone
      fi
      xrdbOption=$1
      ;;
    -system)
      #
      # locate system resources
      #
      if [ -r "$rFactory" ]; then
        resourceFiles="$resourceFiles $rFactory"
      elif [ -r "$rFactoryC" ]; then
        resourceFiles="$resourceFiles $rFactoryC"
      fi
      #
      # Locate customized system resources
      #
      if [ -r "$rCustom" ]; then
        resourceFiles="$resourceFiles $rCustom"
      fi
      ;;
    -xdefaults)
      #
      # Locate .Xdefaults
      #
      if [ -r "$rXdefaults" ]; then
        resourceFiles="$resourceFiles $rXdefaults"
      fi
      ;;
    -file)
      #
      # Locate specified file
      #
      shift
      if [ -z "$1" ]; then
        Usage needFile
      fi
      if [ -r "$1" ]; then
        resourceFiles="$resourceFiles $1"
      fi
      ;;
    *) Usage unknownArg;;
  esac
  shift
done

if [ -z "$xrdbOption" ]; then
  Usage needOption
fi

#converts ":0" to "0", but leaves "pablo:0" as is
display=${DISPLAY##:}

#converts "blanco.flexicat.com:0.0" to "blanco_flexicat_com_0"
display=$(echo ${display%.*} | /usr/bin/tr ".:" "__") 

(
  if [ ! -z "$resourceFiles" ]; then
    $USRBIN/cat $resourceFiles
  fi
  echo "dtsession_res*files: $resourceFiles"
) | /usr/bin/X11/xrdb $xrdbOption -DDISPLAY_$display