scummvm/backends/keymapper/keymap.cpp
2020-01-26 19:07:53 +01:00

144 lines
3.6 KiB
C++

/* 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/action.h"
#include "backends/keymapper/hardware-input.h"
#define KEYMAP_KEY_PREFIX "keymap_"
namespace Common {
Keymap::Keymap(KeymapType type, const String &name) :
_type(type),
_name(name),
_configDomain(nullptr) {
}
Keymap::~Keymap() {
for (ActionList::iterator 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 HardwareInput *hwInput) {
unregisterMapping(action);
_hwActionMap[hwInput] = action;
}
void Keymap::unregisterMapping(Action *action) {
for (HardwareActionMap::iterator it = _hwActionMap.begin(); it != _hwActionMap.end(); it++) {
if (it->_value == action) {
_hwActionMap.erase(it);
}
}
}
const HardwareInput *Keymap::getActionMapping(Action *action) const {
for (HardwareActionMap::const_iterator it = _hwActionMap.begin(); it != _hwActionMap.end(); it++) {
if (it->_value == action) {
return it->_key;
}
}
return nullptr;
}
const Action *Keymap::findAction(const char *id) const {
for (ActionList::const_iterator it = _actions.begin(); it != _actions.end(); ++it) {
if (strcmp((*it)->id, id) == 0)
return *it;
}
return nullptr;
}
Action *Keymap::getMappedAction(const HardwareInput *hardwareInput) const {
return _hwActionMap[hardwareInput];
}
void Keymap::setConfigDomain(ConfigManager::Domain *dom) {
_configDomain = dom;
}
void Keymap::loadMappings(const HardwareInputSet *hwKeys) {
if (!_configDomain)
return;
if (_actions.empty())
return;
String prefix = KEYMAP_KEY_PREFIX + _name + "_";
for (ActionList::iterator it = _actions.begin(); it != _actions.end(); ++it) {
Action* ua = *it;
String actionId(ua->id);
String confKey = prefix + actionId;
String hwInputId = _configDomain->getVal(confKey);
// there's no mapping
if (hwInputId.empty())
continue;
const HardwareInput *hwInput = hwKeys->findHardwareInput(hwInputId.c_str());
if (!hwInput) {
warning("HardwareInput with ID '%s' not known", hwInputId.c_str());
continue;
}
// map the key
_hwActionMap[hwInput] = ua;
}
}
void Keymap::saveMappings() {
if (!_configDomain)
return;
String prefix = KEYMAP_KEY_PREFIX + _name + "_";
for (HardwareActionMap::iterator it = _hwActionMap.begin(); it != _hwActionMap.end(); it++) {
const Action *action = it->_value;
const HardwareInput *input = it->_key;
_configDomain->setVal(prefix + action->id, input->id);
}
}
} // End of namespace Common
#endif // #ifdef ENABLE_KEYMAPPER