scummvm/backends/keymapper/input-watcher.cpp
2020-02-26 21:34:24 +01:00

99 lines
2.6 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/input-watcher.h"
#include "backends/keymapper/action.h"
#include "backends/keymapper/keymapper.h"
namespace Common {
InputWatcher::InputWatcher(EventDispatcher *eventDispatcher, Keymapper *keymapper) :
_eventDispatcher(eventDispatcher),
_keymapper(keymapper),
_watching(false) {
}
void InputWatcher::startWatching() {
assert(!_watching);
assert(_hwInput.type == kHardwareInputTypeInvalid);
_keymapper->setEnabled(false);
_eventDispatcher->registerObserver(this, EventManager::kEventRemapperPriority, false);
_watching = true;
}
void InputWatcher::stopWatching() {
_keymapper->setEnabled(true);
_eventDispatcher->unregisterObserver(this);
_watching = false;
}
bool InputWatcher::isWatching() const {
return _watching;
}
bool InputWatcher::notifyEvent(const Event &event) {
assert(_watching);
assert(_hwInput.type == kHardwareInputTypeInvalid);
switch (event.type) {
case EVENT_KEYDOWN:
case EVENT_JOYBUTTON_DOWN:
case EVENT_LBUTTONDOWN:
case EVENT_RBUTTONDOWN:
case EVENT_MBUTTONDOWN:
case EVENT_X1BUTTONDOWN:
case EVENT_X2BUTTONDOWN:
return true;
case EVENT_KEYUP:
case EVENT_JOYBUTTON_UP:
case EVENT_JOYAXIS_MOTION:
case EVENT_LBUTTONUP:
case EVENT_RBUTTONUP:
case EVENT_MBUTTONUP:
case EVENT_WHEELUP:
case EVENT_WHEELDOWN:
case EVENT_X1BUTTONUP:
case EVENT_X2BUTTONUP:
case EVENT_CUSTOM_BACKEND_HARDWARE:
_hwInput = _keymapper->findHardwareInput(event);
if (_hwInput.type != kHardwareInputTypeInvalid) {
stopWatching();
}
return true;
default:
break;
}
return false;
}
HardwareInput InputWatcher::checkForCapturedInput() {
HardwareInput hwInput = _hwInput;
_hwInput = HardwareInput();
return hwInput;
}
} // End of namespace Common