Implemented a simple EventManager class

svn-id: r26154

1 files changed, 61 insertions, 0 deletions

diff --git a/backends/events/default/default-events.h b/backends/events/default/default-events.h
new file mode 100644
index 0000000000..3291257f01
--- /dev/null
+++ b/backends/events/default/default-events.h
@@ -0,0 +1,61 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2002-2007 The ScummVM project
+ *
+ * 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#if !defined(BACKEND_SAVES_DEFAULT_H) && !defined(DISABLE_DEFAULT_EVENTMANAGER)
+#define BACKEND_SAVES_DEFAULT_H
+
+#include "common/stdafx.h"
+#include "common/events.h"
+
+/*
+At some point we will remove pollEvent from OSystem and change
+DefaultEventManager to use a "boss" derived from this class:
+class EventProvider {
+public
+	virtual bool pollEvent(Common::Event &event) = 0;
+};
+
+Backends which wish to use the DefaultEventManager then simply can
+use a subclass of EventProvider.
+*/
+
+class DefaultEventManager : public Common::EventManager {
+	OSystem *_boss;
+
+	Common::Point _mousePos;
+	int _buttonState;
+	int _modifierState;
+	bool _shouldQuit;
+
+public:
+	DefaultEventManager(OSystem *boss);
+	~DefaultEventManager();
+
+	virtual bool pollEvent(OSystem::Event &event);
+
+	virtual Common::Point getMousePos() const { return _mousePos; }
+	virtual int getButtonState() const { return _buttonState; }
+	virtual int getModifierState() const { return _modifierState; }
+	virtual int shouldQuit() const { return _shouldQuit; }
+};
+
+#endif