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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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 program 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 program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "backends/common/keymap.h"
#include "backends/common/hardware-key.h"
namespace Common {
Keymap::Keymap(const Keymap& km) : _actions(km._actions), _keymap() {
List<Action*>::iterator it;
for (it = _actions.begin(); it != _actions.end(); it++) {
const HardwareKey *hwKey = (*it)->getMappedKey();
if (hwKey) {
_keymap[hwKey->key] = *it;
}
}
}
void Keymap::addAction(Action *action) {
if (findAction(action->id))
error("Action with id %d already in KeyMap!", action->id);
action->setParent(this);
_actions.push_back(action);
}
void Keymap::registerMapping(Action *action, const HardwareKey *hwKey) {
HashMap<KeyState, Action*>::iterator it;
it = _keymap.find(hwKey->key);
// if key is already mapped to an action then un-map it
if (it != _keymap.end())
it->_value->mapKey(0);
_keymap[hwKey->key] = action;
}
void Keymap::unregisterMapping(Action *action) {
const HardwareKey *hwKey = action->getMappedKey();
if (hwKey)
_keymap[hwKey->key] = 0;
}
Action *Keymap::getAction(int32 id) {
return findAction(id);
}
Action *Keymap::findAction(int32 id) {
List<Action*>::iterator it;
for (it = _actions.begin(); it != _actions.end(); it++) {
if ((*it)->id == id)
return *it;
}
return 0;
}
const Action *Keymap::findAction(int32 id) const {
List<Action*>::const_iterator it;
for (it = _actions.begin(); it != _actions.end(); it++) {
if ((*it)->id == id)
return *it;
}
return 0;
}
Action *Keymap::getMappedAction(const KeyState& ks) const {
HashMap<KeyState, Action*>::iterator it;
it = _keymap.find(ks);
if (it == _keymap.end())
return 0;
else
return it->_value;
}
void Keymap::loadMappings(ConfigManager::Domain *domain, const String& name, const HardwareKeySet *hwKeys) {
ConfigManager::Domain::iterator it;
String prefix = "km_" + name + "_";
for (it = domain->begin(); it != domain->end(); it++) {
const String& key = it->_key;
if (!key.hasPrefix(prefix.c_str()))
continue;
// parse Action ID
const char *actionIdStart = key.c_str() + prefix.size();
char *err;
int32 actionId = (int32) strtol(actionIdStart, &err, 0);
if (err == actionIdStart) {
warning("'%s' is not a valid Action ID", err);
continue;
}
Action *ua = getAction(actionId);
if (!ua) {
warning("'%s' keymap does not contain Action with ID %d",
name.c_str(), (int)actionId);
continue;
}
// parse HardwareKey ID
int32 hwKeyId = (int32) strtol(it->_value.c_str(), &err, 0);
if (err == it->_value.c_str()) {
warning("'%s' is not a valid HardwareKey ID", err);
continue;
}
const HardwareKey *hwKey = hwKeys->findHardwareKey(hwKeyId);
if (!hwKey) {
warning("HardwareKey with ID %d not known", (int)hwKeyId);
continue;
}
ua->mapKey(hwKey);
}
}
void Keymap::saveMappings(ConfigManager::Domain *domain, const String& name) {
List<Action*>::const_iterator it;
char buf[11];
for (it = _actions.begin(); it != _actions.end(); it++) {
String key("km_");
sprintf(buf, "%d", (*it)->id);
key += name + "_" + buf;
if ((*it)->getMappedKey())
sprintf(buf, "%d", (*it)->getMappedKey()->id);
else
strcpy(buf, "");
domain->setVal(key, buf);
}
}
} // end of namespace Common
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