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Diffstat (limited to 'vcl/unx/source/app/i18n_xkb.cxx')
| -rw-r--r-- | vcl/unx/source/app/i18n_xkb.cxx | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/vcl/unx/source/app/i18n_xkb.cxx b/vcl/unx/source/app/i18n_xkb.cxx new file mode 100644 index 000000000000..b57abd09acc4 --- /dev/null +++ b/vcl/unx/source/app/i18n_xkb.cxx @@ -0,0 +1,195 @@ +/************************************************************************* + * + * $RCSfile: i18n_xkb.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 17:05:42 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + + +#include <stdio.h> + +#if defined(LINUX) // should really check for xfree86 or for X11R6.1 and higher +#define __XKeyboardExtension__ 1 +#else +#define __XKeyboardExtension__ 0 +#endif + +#include <prex.h> +#include <X11/X.h> +#if __XKeyboardExtension__ +#include <X11/XKBlib.h> +#endif +#include <postx.h> + +#ifndef _SAL_I18N_XKBDEXTENSION_HXX +#include "i18n_xkb.hxx" +#endif + +SalI18N_KeyboardExtension::SalI18N_KeyboardExtension( Display *pDisplay ) + : mbUseExtension( (sal_Bool)__XKeyboardExtension__ ), + mnDefaultGroup( 0 ) +{ + #if __XKeyboardExtension__ + + 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; + } + + #endif // __XKeyboardExtension__ +} + +void +SalI18N_KeyboardExtension::Dispatch( XEvent *pEvent ) +{ + #if __XKeyboardExtension__ + + // 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: + + #ifdef DEBUG + fprintf(stderr, "Got unrequested XkbAnyEvent %#x/%i\n", + nXKBType, nXKBType ); + #endif + break; + } + + #endif // __XKeyboardExtension__ +} + +sal_uInt32 +SalI18N_KeyboardExtension::LookupKeysymInGroup( sal_uInt32 nKeyCode, + sal_uInt32 nShiftState, + sal_uInt32 nGroup ) const +{ + #if __XKeyboardExtension__ + + if ( !mbUseExtension ) + return NoSymbol; + + nShiftState &= ShiftMask; + + KeySym nKeySymbol; + nKeySymbol = XkbKeycodeToKeysym( mpDisplay, nKeyCode, nGroup, nShiftState ); + return nKeySymbol; + + #else + + return NoSymbol; + + #endif // __XKeyboardExtension__ +} + + |