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#ifndef COMMON_HARDWAREKEY
#define COMMON_HARDWAREKEY
#include "backends/common/user-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;
UserActionCategory preferredCategory;
UserActionType preferredType;
int16 group;
HardwareKey(KeyState ks = KeyState(), String des = "",
UserActionCategory cat = kGenericUserActionCategory,
UserActionType ty = kGenericUserActionType, int gr = 0) {
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() {}
~HardwareKeySet() {
List<HardwareKey*>::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(int32 id) const {
List<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<HardwareKey*>::iterator it;
for (it = _keys.begin(); it != _keys.end(); it++) {
if ((*it)->key == keystate)
return (*it);
}
return 0;
}
private:
void checkForKey(HardwareKey *key) {
List<HardwareKey*>::iterator it;
for (it = _keys.begin(); it != _keys.end(); it++) {
if ((*it)->id == key->id)
error("HardwareKey with id %d already given!", key->id);
else if ((*it)->key == key->key)
error("HardwareKey with same KeyState already given!");
}
}
List<HardwareKey*> _keys;
};
} // end of namespace Common
#endif
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