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backends/events/ds/ds-events.h

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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/>.
+ *
+ */
+
+#ifndef BACKEND_EVENTS_DS_H
+#define BACKEND_EVENTS_DS_H
+
+#include "common/events.h"
+
+#include "backends/events/default/default-events.h"
+
+/**
+ * The Nintendo DS event manager.
+ * Used to handle power events and force quitting.
+ */
+class DSEventManager : public DefaultEventManager {
+	bool _dsReset;
+public:
+	DSEventManager(Common::EventSource *boss) : DefaultEventManager(boss), _dsReset(false) {}
+	bool pollEvent(Common::Event &event) override;
+	int shouldQuit() const override { return _dsReset || DefaultEventManager::shouldQuit(); }
+};
+
+/**
+ * The Nintendo DS event source.
+ */
+class DSEventSource : public Common::EventSource {
+public:
+	DSEventSource() : _firstPoll(true), _handleTouch(true) {}
+
+	/**
+	 * Gets and processes events.
+	 */
+	virtual bool pollEvent(Common::Event &event);
+
+	virtual void handleTouch(bool enabled) { _handleTouch = enabled; }
+
+protected:
+	Common::Queue<Common::Event> _eventQueue;
+	Common::Point _lastTouch;
+	bool _firstPoll;
+	bool _handleTouch;
+
+	void addEventsToQueue();
+	void addJoyButtonEvent(u32 keysPressed, u32 keysReleased, u32 ndsKey, uint8 svmButton);
+};
+
+#endif