diff options
Diffstat (limited to 'vcl/unx/source/app/i18n_xkb.cxx')
-rw-r--r-- | vcl/unx/source/app/i18n_xkb.cxx | 163 |
1 files changed, 163 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..e9a787eda667 --- /dev/null +++ b/vcl/unx/source/app/i18n_xkb.cxx @@ -0,0 +1,163 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_vcl.hxx" + + +#include <stdio.h> + +#include "saldisp.hxx" +#include "saldata.hxx" +#include "i18n_xkb.hxx" + +SalI18N_KeyboardExtension::SalI18N_KeyboardExtension( Display* +#if __XKeyboardExtension__ +pDisplay +#endif +) + : 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* +#if __XKeyboardExtension__ +pEvent +#endif +) +{ + #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: + + #if OSL_DEBUG_LEVEL > 1 + fprintf(stderr, "Got unrequested XkbAnyEvent %#x/%i\n", + static_cast<unsigned int>(nXKBType), static_cast<int>(nXKBType) ); + #endif + break; + } + #endif // __XKeyboardExtension__ +} + +#if __XKeyboardExtension__ +sal_uInt32 +SalI18N_KeyboardExtension::LookupKeysymInGroup( sal_uInt32 nKeyCode, + sal_uInt32 nShiftState, + sal_uInt32 nGroup ) const +#else +sal_uInt32 +SalI18N_KeyboardExtension::LookupKeysymInGroup( sal_uInt32,sal_uInt32,sal_uInt32 ) const +#endif +{ + #if __XKeyboardExtension__ + + if ( !mbUseExtension ) + return NoSymbol; + + nShiftState &= ShiftMask; + + KeySym nKeySymbol; + nKeySymbol = XkbKeycodeToKeysym( mpDisplay, nKeyCode, nGroup, nShiftState ); + return nKeySymbol; + + #else + + return NoSymbol; + + #endif // __XKeyboardExtension__ +} + + |