#!/bin/sh
#---------------------------------------------------------------
# Project         : Mageia
# Module          : xinitrc
# File            : Xsession
# Version         : $Id: Xsession,v 1.48 2006/05/16 13:48:06 boiko Exp $
# Author          : Chmouel Boudjnah
# Created On      : Mon May 30 11:44:57 2005
# Purpose         : start a graphical session according to the
#                  argument.
#---------------------------------------------------------------
# default values

DESKTOP=default

# read the user (~/.i18n) or system-wide (/etc/sysconfig/i18n) i18n settings
. /etc/profile.d/10lang.sh

# Allow local users to run X applications, irregardless of system hostname
if [ -x /usr/bin/xhost ] && [ -x /usr/bin/id ]; then
    xhost +si:localuser:`id -un` >& /dev/null
fi

if [ -z "$GDMSESSION" ]; then
    # redirect errors to a file in user's home directory if we can
    for errfile in "$HOME/.xsession-errors" "${TMPDIR-/tmp}/xses-$USER" "/tmp/xses-$USER"
	do
	if ( umask 077 && cp /dev/null "$errfile" 2> /dev/null )
	    then
	    chmod 600 "$errfile"
	    exec > "$errfile" 2>&1
	    break
	fi
    done
fi

# Mageia default background
if [ "`whoami`" = root ]; then
    xsetroot -solid "#B20003"
    IS_ROOT=1
else
    IS_ROOT=
fi

xsetroot -cursor_name watch

userresources=$HOME/.Xresources 
userresources2=$HOME/.Xdefaults
sysresources=/etc/X11/Xresources 

# merge in defaults and keymaps 
if [ -f $sysresources ]; then 
    xrdb -nocpp -merge $sysresources 
fi 
 
if [ -f $userresources ]; then 
    xrdb -merge $userresources 
fi 

if [ -f $userresources2 ]; then 
    xrdb -merge $userresources2
fi 

if [ -x /etc/X11/xinit/fixkeyboard ]; then
    /etc/X11/xinit/fixkeyboard
fi

CK_XINIT_SESSION=
if [ -x /usr/bin/ck-xinit-session -a -z "$XDG_SESSION_COOKIE" ]; then
    CK_XINIT_SESSION="/usr/bin/ck-xinit-session"
fi


if [ -z "$BROWSER" ] ; then
	BROWSER=`which www-browser 2> /dev/null`
	if [ -n "$BROWSER" ] && [ -e "$BROWSER" ] ; then
		export BROWSER
	fi
fi


# now, we see if xdm/gdm/kdm has asked for a specific environment
if [ $# = 1 ]; then
    DESKTOP=$1
else
    # use default DESKTOP from config file
    # users may want to choose their own desktop
    # even when x-session is started by startx command.
    # -- Jaegeum --
    if [ -f $HOME/.desktop ]; then
        . $HOME/.desktop >/dev/null 2>&1
    elif [ -f /etc/sysconfig/desktop ]; then
	. /etc/sysconfig/desktop >/dev/null 2>&1
    fi
fi

### Launch first time wizard if needed
if [ -z "$IS_ROOT" -a ! -e $HOME/.drakfw ] && type drakfw > /dev/null 2>&1 && touch $HOME/.drakfw > /dev/null 2>&1; then
    if [ -x /etc/X11/xinit.d/numlock ]; then
	/etc/X11/xinit.d/numlock
    fi
    xsetroot -cursor_name left_ptr
    exec $CK_XINIT_SESSION drakfw
fi


if [ "${DESKTOP}" = default ]; then
    SESSION=$(/usr/sbin/chksession -F)
else
    SESSION=${DESKTOP}
fi

# run scripts in /etc/X11/xinit.d
for i in /etc/X11/xinit.d/* ; do
    [ -d $i ] && continue
    # Don't run ??foo.{rpmsave,rpmorig,rpmnew,~} scripts
    [ "${i%.rpmsave}" != "${i}" ] && continue
    [ "${i%.rpmorig}" != "${i}" ] && continue
    [ "${i%.rpmnew}" != "${i}" ] && continue
    [ "${i%\~}" != "${i}" ] && continue

    if [ -x $i ]; then
	if grep -q "# to be sourced" $i; then
	    . $i "${SESSION}"
	else
	    $CK_XINIT_SESSION $i "${SESSION}" &
	fi
    fi
done

if [ -n "$DESKTOP" ]; then
    case $DESKTOP in
    	failsafe)
        xsetroot -cursor_name left_ptr
	type -p rxvt > /dev/null >& 2 && exec rxvt -geometry 80x24-0-0
	type -p xterm > /dev/null >& 2 && exec xterm -geometry 80x24-0-0
	type -p xvt > /dev/null >& 2 && exec xvt
	type -p twm > /dev/null >& 2 && exec $CK_XINIT_SESSION twm
	;;
	default)
	;;
	*)
	if type -p "$DESKTOP" > /dev/null; then
	    exec $CK_XINIT_SESSION /bin/sh -c "$DESKTOP"
	else
	    exec $CK_XINIT_SESSION /bin/sh -c "$(/usr/sbin/chksession -x=$DESKTOP)"
	fi
	;;
    esac
fi

# otherwise, take default action
if [ -x "$HOME/.xsession" ]; then
        xsetroot -cursor_name left_ptr
	exec $CK_XINIT_SESSION /bin/sh -c "$HOME/.xsession"
elif [ -x "$HOME/.Xclients" ]; then
        xsetroot -cursor_name left_ptr
	exec $CK_XINIT_SESSION /bin/sh -c "$HOME/.Xclients"
fi

# We may try with chksession
if [ -x /usr/sbin/chksession ];then
#get the first available
	SESSION=$(/usr/sbin/chksession -F)
	[ -n "$SESSION" -a "$SESSION" != default ] && exec $CK_XINIT_SESSION /bin/sh -c "$(/usr/sbin/chksession -x=$SESSION)"
fi

# Argh! Nothing good is installed. Fall back to icewm
if [ -x /usr/bin/icewm ];then
	exec $CK_XINIT_SESSION /usr/bin/icewm
else
	# gosh, neither icewm is available; 
	# fall back to failsafe settings
        xsetroot -cursor_name left_ptr
	xclock -geometry 100x100-5+5 &
	xvt -geometry +0+50 &
	if [ -x "$BROWSER" -a -f /usr/share/doc/HTML/index.html ]; then
	    $BROWSER /usr/share/doc/HTML/index.html &
	fi
	if [ -x /usr/bin/icewm-light ];then
	    exec $CK_XINIT_SESSION /usr/bin/icewm-light
	elif [ -x /usr/bin/twm ];then
	    exec $CK_XINIT_SESSION /usr/bin/twm
	else
	    exec $CK_XINIT_SESSION /usr/bin/xsm
	fi
fi