1c82f2877SAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3c82f2877SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
4c82f2877SAndrew Rist * or more contributor license agreements. See the NOTICE file
5c82f2877SAndrew Rist * distributed with this work for additional information
6c82f2877SAndrew Rist * regarding copyright ownership. The ASF licenses this file
7c82f2877SAndrew Rist * to you under the Apache License, Version 2.0 (the
8c82f2877SAndrew Rist * "License"); you may not use this file except in compliance
9c82f2877SAndrew Rist * with the License. You may obtain a copy of the License at
10c82f2877SAndrew Rist *
11c82f2877SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
12c82f2877SAndrew Rist *
13c82f2877SAndrew Rist * Unless required by applicable law or agreed to in writing,
14c82f2877SAndrew Rist * software distributed under the License is distributed on an
15c82f2877SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16c82f2877SAndrew Rist * KIND, either express or implied. See the License for the
17c82f2877SAndrew Rist * specific language governing permissions and limitations
18c82f2877SAndrew Rist * under the License.
19c82f2877SAndrew Rist *
20c82f2877SAndrew Rist *************************************************************/
21c82f2877SAndrew Rist
22c82f2877SAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
25cdf0e10cSrcweir #include "precompiled_vcl.hxx"
26cdf0e10cSrcweir
27cdf0e10cSrcweir
28cdf0e10cSrcweir #include <stdio.h>
29cdf0e10cSrcweir
30cdf0e10cSrcweir #include "unx/saldisp.hxx"
31cdf0e10cSrcweir #include "unx/saldata.hxx"
32cdf0e10cSrcweir #include "unx/i18n_xkb.hxx"
33cdf0e10cSrcweir
SalI18N_KeyboardExtension(Display * pDisplay)34e78229dfSHerbert Dürr SalI18N_KeyboardExtension::SalI18N_KeyboardExtension( Display* pDisplay)
35*04daac55SHerbert Dürr : mbUseExtension( true )
36e78229dfSHerbert Dürr , mnDefaultGroup( 0 )
37cdf0e10cSrcweir {
38cdf0e10cSrcweir mpDisplay = pDisplay;
39cdf0e10cSrcweir
40cdf0e10cSrcweir // allow user to set the default keyboard group idx or to disable the usage
41cdf0e10cSrcweir // of x keyboard extension at all:
42cdf0e10cSrcweir // setenv SAL_XKEYBOARDGROUP disables keyboard extension
43cdf0e10cSrcweir // setenv SAL_XKEYBOARDGROUP 2 sets the keyboard group index to 2
44cdf0e10cSrcweir // keyboard group index must be in [1,4], may be specified in hex or decimal
45cdf0e10cSrcweir static char *pUseKeyboardExtension = getenv( "SAL_XKEYBOARDGROUP" );
46cdf0e10cSrcweir if ( pUseKeyboardExtension != NULL )
47cdf0e10cSrcweir {
48cdf0e10cSrcweir mbUseExtension = pUseKeyboardExtension[0] != '\0' ;
49cdf0e10cSrcweir if ( mbUseExtension )
50cdf0e10cSrcweir mnDefaultGroup = strtol( pUseKeyboardExtension, NULL, 0 );
51cdf0e10cSrcweir if ( mnDefaultGroup > XkbMaxKbdGroup )
52cdf0e10cSrcweir mnDefaultGroup = 0;
53cdf0e10cSrcweir }
54cdf0e10cSrcweir
55cdf0e10cSrcweir // query XServer support for XKB Extension,
56cdf0e10cSrcweir // do not call XQueryExtension() / XInitExtension() due to possible version
57cdf0e10cSrcweir // clashes !
58cdf0e10cSrcweir if ( mbUseExtension )
59cdf0e10cSrcweir {
60cdf0e10cSrcweir int nMajorExtOpcode;
61cdf0e10cSrcweir int nExtMajorVersion = XkbMajorVersion;
62cdf0e10cSrcweir int nExtMinorVersion = XkbMinorVersion;
63cdf0e10cSrcweir
64cdf0e10cSrcweir mbUseExtension = (sal_Bool)XkbQueryExtension( mpDisplay,
65cdf0e10cSrcweir &nMajorExtOpcode, (int*)&mnEventBase, (int*)&mnErrorBase,
66cdf0e10cSrcweir &nExtMajorVersion, &nExtMinorVersion );
67cdf0e10cSrcweir }
68cdf0e10cSrcweir
69cdf0e10cSrcweir // query notification for changes of the keyboard group
70cdf0e10cSrcweir if ( mbUseExtension )
71cdf0e10cSrcweir {
72cdf0e10cSrcweir #define XkbGroupMask ( XkbGroupStateMask | XkbGroupBaseMask \
73cdf0e10cSrcweir | XkbGroupLatchMask | XkbGroupLockMask )
74cdf0e10cSrcweir
75cdf0e10cSrcweir mbUseExtension = XkbSelectEventDetails( mpDisplay,
76cdf0e10cSrcweir XkbUseCoreKbd, XkbStateNotify, XkbGroupMask, XkbGroupMask );
77cdf0e10cSrcweir }
78cdf0e10cSrcweir
79cdf0e10cSrcweir // query initial keyboard group
80cdf0e10cSrcweir if ( mbUseExtension )
81cdf0e10cSrcweir {
82cdf0e10cSrcweir XkbStateRec aStateRecord;
83cdf0e10cSrcweir XkbGetState( mpDisplay, XkbUseCoreKbd, &aStateRecord );
84cdf0e10cSrcweir mnGroup = aStateRecord.group;
85cdf0e10cSrcweir }
86cdf0e10cSrcweir }
87cdf0e10cSrcweir
88cdf0e10cSrcweir void
Dispatch(XEvent * pEvent)89e78229dfSHerbert Dürr SalI18N_KeyboardExtension::Dispatch( XEvent* pEvent)
90cdf0e10cSrcweir {
91cdf0e10cSrcweir // must the event be handled?
92cdf0e10cSrcweir if ( !mbUseExtension
93cdf0e10cSrcweir || (pEvent->type != mnEventBase) )
94cdf0e10cSrcweir return;
95cdf0e10cSrcweir
96cdf0e10cSrcweir // only handle state notify events for now, and only interested
97cdf0e10cSrcweir // in group details
98cdf0e10cSrcweir sal_uInt32 nXKBType = ((XkbAnyEvent*)pEvent)->xkb_type;
99cdf0e10cSrcweir switch ( nXKBType )
100cdf0e10cSrcweir {
101cdf0e10cSrcweir case XkbStateNotify:
102cdf0e10cSrcweir
103cdf0e10cSrcweir mnGroup = ((XkbStateNotifyEvent*)pEvent)->group;
104cdf0e10cSrcweir break;
105cdf0e10cSrcweir
106cdf0e10cSrcweir default:
107cdf0e10cSrcweir
108e78229dfSHerbert Dürr #if OSL_DEBUG_LEVEL > 1
109cdf0e10cSrcweir fprintf(stderr, "Got unrequested XkbAnyEvent %#x/%i\n",
110e78229dfSHerbert Dürr static_cast<unsigned int>(nXKBType), static_cast<int>(nXKBType) );
111e78229dfSHerbert Dürr #endif
112cdf0e10cSrcweir break;
113cdf0e10cSrcweir }
114cdf0e10cSrcweir }
115cdf0e10cSrcweir
LookupKeysymInGroup(sal_uInt32 nKeyCode,sal_uInt32 nShiftState,sal_uInt32 nGroup) const116e78229dfSHerbert Dürr sal_uInt32 SalI18N_KeyboardExtension::LookupKeysymInGroup( sal_uInt32 nKeyCode,
117e78229dfSHerbert Dürr sal_uInt32 nShiftState, sal_uInt32 nGroup ) const
118cdf0e10cSrcweir {
119cdf0e10cSrcweir nShiftState &= ShiftMask;
120cdf0e10cSrcweir
121e78229dfSHerbert Dürr KeySym nKeySymbol = XkbKeycodeToKeysym( mpDisplay, nKeyCode, nGroup, nShiftState );
122cdf0e10cSrcweir return nKeySymbol;
123cdf0e10cSrcweir }
124cdf0e10cSrcweir
125cdf0e10cSrcweir
126