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File xim of Package x11-tools

#!/bin/bash
#
# $Id: xim,v 1.28 2004/12/07 11:04:59 mfabian Exp $
#
# Copyright © 2001 SUSE LINUX GmbH Nuernberg, Germany
#
# Mike Fabian <mfabian@suse.de>, 2000, 2001, 2002, 2004, 2005, 2006, 2007
# Werner Fink <werner@suse.de>, 2007
#
# This program comes with ABSOLUTELY NO WARRANTY; it may be copied or modified
# under the terms of the GNU General Public License version 2 as published by
# the Free Software Foundation.

# usually, /etc/X11/xim is used to start a default input method.

# If want to change the default, you have the following options:
#
#    1) Set the variable INPUT_METHOD in /etc/sysconfig/language.
#       For example:
#           INPUT_METHOD="scim"
#       This changes the default for all users
#    2) set and export the variable "INPUT_METHOD" in ~/.i18n in the
#       home directory of a user.
#       For example:
#           export INPUT_METHOD="scim"
#       This changes the default only for one user.
#    
#    The possible values for the variable INPUT_METHOD are the names
#    of the scripts which exist in the directory /etc/X11/xim.d/
#    for example if a script /etc/X11/xim.d/scim exists,
#    and INPUT_METHOD is set to "scim", this script will be tried first
#    to start an input method and only if this fails other input methods
#    will be tried.
#
#    3) If you don't like the behaviour of any of the available
#       scripts in /etc/X11/xim.d, you can write your own script
#       containing the necessary lines to start your preferred input
#       method and save it as ~/.xim. If a file ~/.xim exists, only
#       this file is sourced to start an input method and nothing
#       else.
#       Usually you need only a few lines, the systemwide
#       file to start an input method, /etc/X11/xim, is only so
#       complicated because it tries to find a nice default depending
#       on the language and the installed input methods.
# 
#       For example, if you want to use "scim" as your input method,
#       it is enough to have the following 5 lines (and nothing else)
#       in your ~/.xim file:

#       export XMODIFIERS="@im=SCIM"
#       export GTK_IM_MODULE=scim
#       export QT_IM_SWITCHER=imsw-multi
#       export QT_IM_MODULE=scim
#       scim -d

echo "/etc/X11/xim: Checking whether an input method should be started."

#
# Get variables from the user environment which might influence the start
# of an input method (see bug #235044, written by Werner Fink <werner@suse.de>):
#

adduserenv () {
    local cur var=${1+"$@"}
    : ${HOSTNAME:=$(hostname -f)}
    # Use ~/.i18n
    if test -e "$HOME/.i18n"; then
	echo "/etc/X11/xim: Checking whether an input method is specified in $HOME/.i18n."
	eval $(set +u +e
	       . /etc/profile.d/lang.sh < /dev/null > /dev/null 2>&1
	       for cur in $var; do
		   test -n "${!cur}" && echo export $cur=${!cur}
	       done)
	return
    fi
    # Fall back to ~/.profile or ~/.login
    case "$SHELL" in
    */sh|*/ash|*/bash|*/ksh|*/mksh|*/pdksh|*/zsh)
	if test -s "$HOME/.profile" ; then
	    echo "/etc/X11/xim: Checking whether an input method is specified in $HOME/.profile."
	    eval $(export HOSTNAME
		   (echo . "'$HOME/.profile' < /dev/null > /dev/null 2>&1"
		    echo "set +u +e"
		    for cur in $var; do
			echo echo \${$cur+"$cur=\$$cur;"}
		    done
		    echo echo export $var) | $SHELL)
	fi
	;;
    */csh|*/tcsh)
	if test -s "$HOME/.login" ; then
	    echo "/etc/X11/xim: Checking whether an input method is specified in $HOME/.login."
	    eval $(export HOSTNAME
		   (echo onintr -
		    echo source "'$HOME/.login' < /dev/null >& /dev/null"
		    echo unset verbose
		    for cur in $var; do
			echo if $ \${?$cur} $ echo $cur=\`printenv $cur\`
		    done
		    echo echo export $var) | $SHELL)
	fi
	;;
    esac
}

# workaround for bnc#853063
# activate/deactivate g-s-d keyboard plugin depending on IM
gnome_ibus_workaround () {
    local im=$1
    im=${im##*/}
    im=${im#[0-9][0-9]-}
    test "$im" = "none" && return
    windowmanager=${WINDOWMANAGER##*/}
    windowmanager=${windowmanager%-*}
    if [ "$windowmanager" = "gnome" ]; then
       local active
       if [ "$im" = "ibus" ]; then
           active=true
       else
           active=false
       fi
       gsettings set org.gnome.settings-daemon.plugins.keyboard active $active
    fi
}

# if gdm passes the language to Xsession, we should not override this
# see http://bugzilla.novell.com/show_bug.cgi?id=440371
# The test for $GDM_LANG needs to be changed slightly as soon as other
# displaymanager also pass a second argument to Xsession.
if test -n "$GDM_LANG" ; then
    echo "/etc/X11/xim: use GDM_LANG=$GDM_LANG"
    adduserenv INPUT_METHOD
else
    adduserenv LANG LC_CTYPE LC_ALL INPUT_METHOD
fi

# if INPUT_METHOD is already set to something non-empty here, the user should
# set it in ~/.i18n or in ~/.profile or ~/.login or on the command line before
# using startx. In that case, don't read the system wide default from
# /etc/sysconfig/language, use the user supplied value instead:
if [ -z "$INPUT_METHOD" ] ; then
    echo "sourcing /etc/sysconfig/language to get the value of INPUT_METHOD"
    . /etc/sysconfig/language
fi

if [ "$INPUT_METHOD" != "" ]; then
    echo "INPUT_METHOD is set to $INPUT_METHOD."
    echo "Trying  to start this user selected input method first ..."
    if [ -r "/etc/X11/xim.d/$INPUT_METHOD" ] ; then
        echo "sourcing /etc/X11/xim.d/$INPUT_METHOD"
	. /etc/X11/xim.d/$INPUT_METHOD
        if [ "$?" = "0" ]; then
	    echo "Start of $INPUT_METHOD succeeded."
		gnome_ibus_workaround $INPUT_METHOD
	    return 0;
	else
	    echo "Start of $INPUT_METHOD failed."
	fi
    else
        echo "/etc/X11/xim.d/$INPUT_METHOD does not exist."
    fi
else
    echo "INPUT_METHOD is not set or empty (no user selected input method)."
fi

# Determine the LC_CTYPE locale category setting
tmplang=${LC_ALL-${LC_CTYPE-${LANG-en_US}}}

echo "Trying to start a default input method for the locale $tmplang ..."

subdirlist=$tmplang
while [ "$tmplang" != "${tmplang%[_.@]*}" ]
do
   tmplang=${tmplang%[_.@]*}
   subdirlist="$subdirlist $tmplang"
done

im_failed=0

for subdir in $subdirlist ; do
   if [ -d /etc/X11/xim.d/$subdir ] ; then
       echo "Checking for a default input method in /etc/X11/xim.d/$subdir/"
       for im in /etc/X11/xim.d/$subdir/* ; do
           if [ -r $im ] ; then
	       echo "sourcing $im ..."
	       . $im
	       if [ "$?" = "0" ]; then
	           echo "$im started sucessfully"
			gnome_ibus_workaround $im
		   return 0
	       else
	           echo "$im failed"
		   im_failed=1
	       fi
	   fi
       done
   fi
done

if [ "$im_failed" = 0 ] ; then
    echo "There is no default input method for the current locale."
else
    echo "All default input methods tried for the current locale failed."
fi

# If there is no default input method for the current locale, source
# the dummy input method "none" to get reasonable default settings
# of the relevant environment variables:

. /etc/X11/xim.d/none

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