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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.
+ *
+ */
+
+#include "common/scummsys.h"
+#include "graphics/cursorman.h"
+#include "common/events.h"
+#include "common/endian.h"
+#include "engines/util.h"
+#include "xeen/xeen.h"
+#include "xeen/events.h"
+#include "xeen/screen.h"
+
+namespace Xeen {
+
+/**
+ * Constructor
+ */
+EventsManager::EventsManager(XeenEngine *vm) : _vm(vm) {
+ _frameCounter = 0;
+ _priorFrameCounterTime = 0;
+ _gameCounter = 0;
+ _priorGameCounterTime = 0;
+}
+
+/**
+ * Destructor
+ */
+EventsManager::~EventsManager() {
+}
+
+/**
+ * Show the mouse cursor
+ */
+void EventsManager::showCursor() {
+ CursorMan.showMouse(true);
+}
+
+/**
+ * Hide the mouse cursor
+ */
+void EventsManager::hideCursor() {
+ CursorMan.showMouse(false);
+}
+
+/**
+ * Returns if the mouse cursor is visible
+ */
+bool EventsManager::isCursorVisible() {
+ return CursorMan.isVisible();
+}
+
+void EventsManager::pollEvents() {
+ uint32 timer = g_system->getMillis();
+ if (timer >= (_priorFrameCounterTime + GAME_FRAME_TIME)) {
+ _priorFrameCounterTime = timer;
+ nextFrame();
+ }
+
+ Common::Event event;
+ while (g_system->getEventManager()->pollEvent(event)) {
+ switch (event.type) {
+ case Common::EVENT_QUIT:
+ case Common::EVENT_RTL:
+ return;
+ default:
+ break;
+ }
+ }
+}
+
+/**
+ * Updates the game counter to match the current frame counter
+ */
+void EventsManager::updateGameCounter() {
+ _gameCounter = _frameCounter;
+}
+
+/**
+ * Returns the number of frames elapsed since the last call to
+ * updateGameCounter()
+ */
+uint32 EventsManager::timeElapsed() {
+ return _frameCounter - _gameCounter;
+}
+
+/**
+ * Handles moving to the next game frame
+ */
+void EventsManager::nextFrame() {
+ ++_frameCounter;
+ _vm->_screen->update();
+}
+
+} // End of namespace Xeen