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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.
*
* $URL$
* $Id$
*
*/
#ifndef COMMON_HARDWARE_KEY_H
#define COMMON_HARDWARE_KEY_H
#include "common/scummsys.h"
#ifdef ENABLE_KEYMAPPER
#include "backends/keymapper/types.h"
#include "common/textconsole.h"
namespace Common {
#define HWKEY_ID_SIZE (30)
/**
* Describes an available hardware key
*/
struct HardwareKey {
/** unique id used for saving/loading to config */
char hwKeyId[HWKEY_ID_SIZE];
/** Human readable description */
String description;
/**
* The KeyState that is generated by the back-end
* when this hardware key is pressed.
*/
KeyState key;
KeyType type;
ActionType preferredAction;
HardwareKey(const char *i, KeyState ky = KeyState(), String desc = "",
KeyType typ = kGenericKeyType, ActionType prefAct = kGenericActionType)
: key(ky), description(desc), type(typ), preferredAction(prefAct) {
assert(i);
Common::strlcpy(hwKeyId, i, HWKEY_ID_SIZE);
}
};
/**
* Simple class to encapsulate a device's set of HardwareKeys.
* Each device should instantiate this and call addHardwareKey a number of times
* in its constructor to define the device's available keys.
*/
class HardwareKeySet {
public:
virtual ~HardwareKeySet() {
List<const HardwareKey*>::const_iterator it;
for (it = _keys.begin(); it != _keys.end(); it++)
delete *it;
}
void addHardwareKey(HardwareKey *key) {
checkForKey(key);
_keys.push_back(key);
}
const HardwareKey *findHardwareKey(const char *id) const {
List<const HardwareKey*>::const_iterator it;
for (it = _keys.begin(); it != _keys.end(); it++) {
if (strncmp((*it)->hwKeyId, id, HWKEY_ID_SIZE) == 0)
return (*it);
}
return 0;
}
const HardwareKey *findHardwareKey(const KeyState& keystate) const {
List<const HardwareKey*>::const_iterator it;
for (it = _keys.begin(); it != _keys.end(); it++) {
if ((*it)->key == keystate)
return (*it);
}
return 0;
}
const List<const HardwareKey*> &getHardwareKeys() const {
return _keys;
}
uint size() const {
return _keys.size();
}
private:
void checkForKey(HardwareKey *key) {
List<const HardwareKey*>::iterator it;
for (it = _keys.begin(); it != _keys.end(); it++) {
if (strncmp((*it)->hwKeyId, key->hwKeyId, HWKEY_ID_SIZE) == 0)
error("Error adding HardwareKey '%s' - id of %s already in use!", key->description.c_str(), key->hwKeyId);
else if ((*it)->key == key->key)
error("Error adding HardwareKey '%s' - key already in use!", key->description.c_str());
}
}
List<const HardwareKey*> _keys;
};
} // End of namespace Common
#endif // #ifdef ENABLE_KEYMAPPER
#endif // #ifndef COMMON_HARDWARE_KEY_H
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