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__
+}
+
+