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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/keymapper/keymap-manager.h"
#include "common/algorithm.h"
namespace Common {
void KeymapManager::Domain::addKeymap(Keymap *map) {
KeymapMap::iterator it = _keymaps.find(map->getName());
if (it != _keymaps.end())
delete _keymaps[map->getName()];
_keymaps[map->getName()] = map;
}
void KeymapManager::Domain::deleteAllKeyMaps() {
KeymapMap::iterator it;
for (it = _keymaps.begin(); it != _keymaps.end(); it++) {
//it->_value->saveMappings(_configDomain, it->_key);
delete it->_value;
}
_keymaps.clear();
}
Keymap *KeymapManager::Domain::getKeymap(const String& name) {
KeymapMap::iterator it = _keymaps.find(name);
if (it != _keymaps.end())
return it->_value;
else
return 0;
}
KeymapManager::KeymapManager() {
_hardwareKeys = 0;
_globalDomain.setConfigDomain(ConfMan.getDomain(ConfigManager::kApplicationDomain));
}
KeymapManager::~KeymapManager() {
delete _hardwareKeys;
}
void KeymapManager::registerHardwareKeySet(HardwareKeySet *keys) {
if (_hardwareKeys)
error("Hardware key set already registered!");
_hardwareKeys = keys;
}
void KeymapManager::registerGlobalKeymap(Keymap *map) {
initKeymap(_globalDomain.getConfigDomain(), map);
_globalDomain.addKeymap(map);
}
void KeymapManager::refreshGameDomain() {
if (_gameDomain.getConfigDomain() != ConfMan.getActiveDomain()) {
_gameDomain.deleteAllKeyMaps();
_gameDomain.setConfigDomain(ConfMan.getActiveDomain());
}
}
void KeymapManager::registerGameKeymap(Keymap *map) {
refreshGameDomain();
initKeymap(_gameDomain.getConfigDomain(), map);
_gameDomain.addKeymap(map);
}
void KeymapManager::initKeymap(ConfigManager::Domain *domain,
Keymap *map) {
map->loadMappings(domain, _hardwareKeys);
if (map->isComplete(_hardwareKeys) == false)
automaticMap(map);
}
void KeymapManager::automaticMap(Keymap *map) {
List<Action*> actions(map->getActions()), unmapped;
List<Action*>::iterator actIt;
List<const HardwareKey*> keys = _hardwareKeys->getHardwareKeys();
List<const HardwareKey*>::iterator keyIt, selectedKey;
// sort by priority
ActionPriorityComp priorityComp;
sort(actions.begin(), actions.end(), priorityComp);
for (actIt = actions.begin(); actIt != actions.end(); actIt++) {
selectedKey = keys.end();
int keyScore = 0;
Action *act = *actIt;
for (keyIt = keys.begin(); keyIt != keys.end(); keyIt++) {
if ((*keyIt)->preferredType == act->type) {
Action *parentAct = getParentMappedAction(map, (*keyIt)->key);
if (!parentAct) {
selectedKey = keyIt;
break;
} else if (parentAct->priority <= act->priority && keyScore < 3) {
selectedKey = keyIt;
keyScore = 3;
}
} else if ((*keyIt)->preferredCategory == act->category && keyScore < 2) {
Action *parentAct = getParentMappedAction(map, (*keyIt)->key);
if (!parentAct) {
selectedKey = keyIt;
keyScore = 2;
} else if (parentAct->priority <= act->priority && keyScore < 1) {
selectedKey = keyIt;
keyScore = 1;
}
}
}
if (selectedKey != keys.end()) {
act->mapKey(*selectedKey);
keys.erase(selectedKey);
} else
unmapped.push_back(act);
}
for (actIt = unmapped.begin(); actIt != unmapped.end(); actIt++) {
selectedKey = keys.end();
int keyScore = 0;
int lowestPriority = 0; //dummy value
Action *act = *actIt;
for (keyIt = keys.begin(); keyIt != keys.end(); keyIt++) {
Action *parentAct = getParentMappedAction(map, (*keyIt)->key);
if (!parentAct) {
selectedKey = keyIt;
break;
} else if (keyScore < 2) {
if (parentAct->priority <= act->priority) {
keyScore = 2;
selectedKey = keyIt;
} else if (parentAct->priority < lowestPriority || keyScore == 0) {
keyScore = 1;
lowestPriority = parentAct->priority;
selectedKey = keyIt;
}
}
}
if (selectedKey != keys.end()) {
act->mapKey(*selectedKey);
keys.erase(selectedKey);
} else // no keys left
return;
}
}
Action *KeymapManager::getParentMappedAction(Keymap *map, KeyState key) {
Keymap *parent = map->getParent();
if (parent) {
Action *act = parent->getMappedAction(key);
if (act)
return act;
else
return getParentMappedAction(parent, key);
} else {
return 0;
}
}
Keymap *KeymapManager::getKeymap(const String& name) {
Keymap *keymap = _gameDomain.getKeymap(name);
if (!keymap)
keymap = _globalDomain.getKeymap(name);
return keymap;
}
} // end of namespace Common
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