Initial commit

backends/keymapper/input-watcher.cpp

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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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#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