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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <stdio.h>
#include "unx/saldisp.hxx"
#include "unx/saldata.hxx"
#include "unx/i18n_xkb.hxx"
SalI18N_KeyboardExtension::SalI18N_KeyboardExtension( Display* pDisplay )
: mbUseExtension( sal_True ),
mnDefaultGroup( 0 )
{
mpDisplay = pDisplay;
// allow user to set the default keyboard group idx or to disable the usage
// of x keyboard extension at all:
// setenv SAL_XKEYBOARDGROUP disables keyboard extension
// setenv SAL_XKEYBOARDGROUP 2 sets the keyboard group index to 2
// keyboard group index must be in [1,4], may be specified in hex or decimal
static char *pUseKeyboardExtension = getenv( "SAL_XKEYBOARDGROUP" );
if ( pUseKeyboardExtension != NULL )
{
mbUseExtension = pUseKeyboardExtension[0] != '\0' ;
if ( mbUseExtension )
mnDefaultGroup = strtol( pUseKeyboardExtension, NULL, 0 );
if ( mnDefaultGroup > XkbMaxKbdGroup )
mnDefaultGroup = 0;
}
// query XServer support for XKB Extension,
// do not call XQueryExtension() / XInitExtension() due to possible version
// clashes !
if ( mbUseExtension )
{
int nMajorExtOpcode;
int nExtMajorVersion = XkbMajorVersion;
int nExtMinorVersion = XkbMinorVersion;
mbUseExtension = (sal_Bool)XkbQueryExtension( mpDisplay,
&nMajorExtOpcode, (int*)&mnEventBase, (int*)&mnErrorBase,
&nExtMajorVersion, &nExtMinorVersion );
}
// query notification for changes of the keyboard group
if ( mbUseExtension )
{
#define XkbGroupMask ( XkbGroupStateMask | XkbGroupBaseMask \
| XkbGroupLatchMask | XkbGroupLockMask )
mbUseExtension = XkbSelectEventDetails( mpDisplay,
XkbUseCoreKbd, XkbStateNotify, XkbGroupMask, XkbGroupMask );
}
// query initial keyboard group
if ( mbUseExtension )
{
XkbStateRec aStateRecord;
XkbGetState( mpDisplay, XkbUseCoreKbd, &aStateRecord );
mnGroup = aStateRecord.group;
}
}
void
SalI18N_KeyboardExtension::Dispatch( XEvent* pEvent )
{
// must the event be handled?
if ( !mbUseExtension
|| (pEvent->type != mnEventBase) )
return;
// only handle state notify events for now, and only interested
// in group details
sal_uInt32 nXKBType = ((XkbAnyEvent*)pEvent)->xkb_type;
switch ( nXKBType )
{
case XkbStateNotify:
mnGroup = ((XkbStateNotifyEvent*)pEvent)->group;
break;
default:
#if OSL_DEBUG_LEVEL > 1
fprintf(stderr, "Got unrequested XkbAnyEvent %#x/%i\n",
static_cast<unsigned int>(nXKBType), static_cast<int>(nXKBType) );
#endif
break;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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