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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include <stdio.h>
#include <rfb/KeyRemapper.h>
#include <rfb/Configuration.h>
#include <rfb/LogWriter.h>
using namespace rfb;
static LogWriter vlog("KeyRemapper");
KeyRemapper KeyRemapper::defInstance;
#ifdef __RFB_THREADING_IMPL
static Mutex mappingLock;
#endif
void KeyRemapper::setMapping(const char* m) {
#ifdef __RFB_THREADING_IMPL
Lock l(mappingLock);
#endif
mapping.clear();
while (m[0]) {
int from, to;
char bidi;
const char* nextComma = strchr(m, ',');
if (!nextComma)
nextComma = m + strlen(m);
if (sscanf(m, "0x%x%c>0x%x", &from,
&bidi, &to) == 3) {
if (bidi != '-' && bidi != '<')
vlog.error("warning: unknown operation %c>, assuming ->", bidi);
mapping[from] = to;
if (bidi == '<')
mapping[to] = from;
} else {
vlog.error("warning: bad mapping %.*s", nextComma-m, m);
}
m = nextComma;
if (nextComma[0])
m++;
}
}
rdr::U32 KeyRemapper::remapKey(rdr::U32 key) const {
#ifdef __RFB_THREADING_IMPL
Lock l(mappingLock);
#endif
std::map<rdr::U32,rdr::U32>::const_iterator i = mapping.find(key);
if (i != mapping.end())
return i->second;
return key;
}
class KeyMapParameter : public StringParameter {
public:
KeyMapParameter()
: StringParameter("RemapKeys", "Comma-separated list of incoming keysyms to remap. Mappings are expressed as two hex values, prefixed by 0x, and separated by ->", "") {
setParam(value);
}
bool setParam(const char* v) {
KeyRemapper::defInstance.setMapping(v);
return StringParameter::setParam(v);
}
} defaultParam;
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