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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_HARDWAREKEY
#define COMMON_HARDWAREKEY
#include "backends/keymapper/action.h"
namespace Common {
/**
* Describes an available hardware key
*/
struct HardwareKey {
/** unique id used for saving/loading to config */
int32 id;
/** Human readable description */
String description;
/**
* The KeyState that is generated by the back-end
* when this hardware key is pressed.
*/
KeyState key;
ActionCategory preferredCategory;
ActionType preferredType;
int16 group;
HardwareKey(int32 i, KeyState ks = KeyState(), String des = "",
ActionCategory cat = kGenericActionCategory,
ActionType ty = kGenericActionType, int gr = 0) {
id = i;
key = ks;
description = des;
preferredCategory = cat;
preferredType = ty;
group = gr;
}
};
/**
* Simple class to encapsulate a device's set of HardwareKeys.
* Each device should extend this and call addHardwareKey a number of times
* in its constructor to define the device's available keys.
*/
class HardwareKeySet {
public:
HardwareKeySet() : _count(0) {}
virtual ~HardwareKeySet() {
List<const HardwareKey*>::iterator it;
for (it = _keys.begin(); it != _keys.end(); it++)
delete *it;
}
void addHardwareKey(HardwareKey *key) {
checkForKey(key);
_keys.push_back(key);
++_count;
}
const HardwareKey *findHardwareKey(int32 id) const {
List<const HardwareKey*>::iterator it;
for (it = _keys.begin(); it != _keys.end(); it++) {
if ((*it)->id == id)
return (*it);
}
return 0;
}
const HardwareKey *findHardwareKey(const KeyState& keystate) const {
List<const HardwareKey*>::iterator it;
for (it = _keys.begin(); it != _keys.end(); it++) {
if ((*it)->key == keystate)
return (*it);
}
return 0;
}
List<const HardwareKey*> getHardwareKeys() const {
return _keys;
}
uint count() const {
return _count;
}
private:
void checkForKey(HardwareKey *key) {
List<const HardwareKey*>::iterator it;
for (it = _keys.begin(); it != _keys.end(); it++) {
if ((*it)->id == key->id)
error("Error adding HardwareKey '%s' - id of %d already in use!", key->description.c_str(), key->id);
else if ((*it)->key == key->key)
error("Error adding HardwareKey '%s' - key already in use!", key->description.c_str());
}
}
List<const HardwareKey*> _keys;
uint _count;
};
} // end of namespace Common
#endif
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