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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.
*
*/
#include "backends/keymapper/keymap.h"
#ifdef ENABLE_KEYMAPPER
#include "common/system.h"
#include "backends/keymapper/hardware-key.h"
#include "backends/keymapper/keymapper-defaults.h"
#define KEYMAP_KEY_PREFIX "keymap_"
namespace Common {
Keymap::Keymap(const Keymap& km) : _actions(km._actions), _keymap(), _configDomain(0) {
List<Action *>::iterator it;
for (it = _actions.begin(); it != _actions.end(); ++it) {
const HardwareKey *hwKey = (*it)->getMappedKey();
if (hwKey) {
_keymap[hwKey->key] = *it;
}
}
}
Keymap::~Keymap() {
List<Action *>::iterator it;
for (it = _actions.begin(); it != _actions.end(); ++it)
delete *it;
}
void Keymap::addAction(Action *action) {
if (findAction(action->id))
error("Action with id %s already in KeyMap", action->id);
_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 a different action then un-map it
if (it != _keymap.end() && action != it->_value) {
it->_value->mapKey(0);
}
_keymap[hwKey->key] = action;
}
void Keymap::unregisterMapping(Action *action) {
const HardwareKey *hwKey = action->getMappedKey();
if (hwKey) {
_keymap.erase(hwKey->key);
}
}
Action *Keymap::getAction(const char *id) {
return findAction(id);
}
Action *Keymap::findAction(const char *id) {
List<Action *>::iterator it;
for (it = _actions.begin(); it != _actions.end(); ++it) {
if (strncmp((*it)->id, id, ACTION_ID_SIZE) == 0)
return *it;
}
return 0;
}
const Action *Keymap::findAction(const char *id) const {
List<Action *>::const_iterator it;
for (it = _actions.begin(); it != _actions.end(); ++it) {
if (strncmp((*it)->id, id, ACTION_ID_SIZE) == 0)
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::setConfigDomain(ConfigManager::Domain *dom) {
_configDomain = dom;
}
void Keymap::loadMappings(const HardwareKeySet *hwKeys) {
if (!_configDomain)
return;
if (_actions.empty())
return;
Common::KeymapperDefaultBindings *defaults = g_system->getKeymapperDefaultBindings();
HashMap<String, const HardwareKey *> mappedKeys;
List<Action*>::iterator it;
String prefix = KEYMAP_KEY_PREFIX + _name + "_";
for (it = _actions.begin(); it != _actions.end(); ++it) {
Action* ua = *it;
String actionId(ua->id);
String confKey = prefix + actionId;
String hwKeyId = _configDomain->getVal(confKey);
bool defaulted = false;
// fall back to the platform-specific defaults
if (hwKeyId.empty() && defaults) {
hwKeyId = defaults->getDefaultBinding(_name, actionId);
if (!hwKeyId.empty())
defaulted = true;
}
// there's no mapping
if (hwKeyId.empty())
continue;
const HardwareKey *hwKey = hwKeys->findHardwareKey(hwKeyId.c_str());
if (!hwKey) {
warning("HardwareKey with ID '%s' not known", hwKeyId.c_str());
continue;
}
if (defaulted) {
if (mappedKeys.contains(hwKeyId)) {
debug(1, "Action [%s] not falling back to hardcoded default value [%s] because the key is in use", confKey.c_str(), hwKeyId.c_str());
continue;
}
warning("Action [%s] fell back to hardcoded default value [%s]", confKey.c_str(), hwKeyId.c_str());
}
mappedKeys.setVal(hwKeyId, hwKey);
// map the key
ua->mapKey(hwKey);
}
}
void Keymap::saveMappings() {
if (!_configDomain)
return;
List<Action *>::const_iterator it;
String prefix = KEYMAP_KEY_PREFIX + _name + "_";
for (it = _actions.begin(); it != _actions.end(); ++it) {
uint actIdLen = strlen((*it)->id);
actIdLen = (actIdLen > ACTION_ID_SIZE) ? ACTION_ID_SIZE : actIdLen;
String actId((*it)->id, (*it)->id + actIdLen);
String hwId = "";
if ((*it)->getMappedKey()) {
hwId = (*it)->getMappedKey()->id;
}
_configDomain->setVal(prefix + actId, hwId);
}
}
bool Keymap::isComplete(const HardwareKeySet *hwKeys) {
List<Action *>::iterator it;
bool allMapped = true;
uint numberMapped = 0;
for (it = _actions.begin(); it != _actions.end(); ++it) {
if ((*it)->getMappedKey()) {
numberMapped++;
} else {
allMapped = false;
}
}
return allMapped || (numberMapped == hwKeys->size());
}
} // End of namespace Common
#endif // #ifdef ENABLE_KEYMAPPER
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