scummvm/backends/keymapper/input-watcher.h

67 lines
1.9 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.
*
*/
#ifndef COMMON_INPUT_WATCHER_H
#define COMMON_INPUT_WATCHER_H
#include "common/scummsys.h"
#include "backends/keymapper/hardware-input.h"
#include "common/events.h"
namespace Common {
struct HardwareInput;
/**
* Watches events for inputs that can be bound to actions
*
* When the watch mode is enabled, the watcher disables the Keymapper
* and sets itself as an event observer. Once an event corresponding
* to an hardware input is received, it is saved for later retrieval.
*
* Used by the remap dialog to capture input.
*/
class InputWatcher : private EventObserver {
public:
InputWatcher(EventDispatcher *eventDispatcher, Keymapper *keymapper);
void startWatching();
void stopWatching();
bool isWatching() const;
HardwareInput checkForCapturedInput();
private:
bool notifyEvent(const Event &event) override;
EventDispatcher *_eventDispatcher;
Keymapper *_keymapper;
bool _watching;
HardwareInput _hwInput;
};
} // End of namespace Common
#endif // #ifndef COMMON_INPUT_WATCHER_H