Putting MetaWatch stuff in a plugin

12 files changed, 1287 insertions, 0 deletions

diff --git a/metawatch/metawatch.cpp b/metawatch/metawatch.cpp
new file mode 100644
index 0000000..b968fad
--- /dev/null
+++ b/metawatch/metawatch.cpp
@@ -0,0 +1,409 @@
+#include <QtCore/QDebug>
+#include <QtCore/QDateTime>
+
+#include "metawatchpaintengine.h"
+#include "metawatch.h"
+
+using namespace sowatch;
+QTM_USE_NAMESPACE
+
+#define SINGLE_LINE_UPDATE 0
+
+const quint8 MetaWatch::bitRevTable[16] = {
+	0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15
+};
+
+const quint16 MetaWatch::crcTable[256] = {
+	0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
+	0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
+	0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
+	0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
+	0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
+	0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
+	0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
+	0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
+	0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
+	0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
+	0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
+	0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
+	0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
+	0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
+	0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
+	0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
+	0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
+	0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
+	0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
+	0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
+	0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
+	0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
+	0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
+	0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
+	0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
+	0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
+	0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
+	0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
+	0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
+	0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
+	0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
+	0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
+};
+
+#if 0 /* This snippet was used to build the table seen above. */
+	quint16 remainder;
+	int dividend;
+	quint8 bit;
+
+	for (dividend = 0; dividend < 256; dividend++) {
+		remainder = dividend << 8;
+		for (bit = 8; bit > 0; bit--) {
+			if (remainder & 0x8000) {
+				remainder = (remainder << 1) ^ 0x1021;
+			} else {
+				remainder = (remainder << 1);
+			}
+		}
+		if ((dividend % 8) == 0) {
+			printf(",\n0x%04hx", remainder);
+		} else {
+			printf(", 0x%04hx", remainder);
+		}
+	}
+#endif
+
+MetaWatch::MetaWatch(const QBluetoothAddress& address, QObject *parent) :
+	Watch(QImage(96, 96, QImage::Format_MonoLSB), parent),
+	_socket(new QBluetoothSocket(QBluetoothSocket::RfcommSocket)),
+	_sendTimer(new QTimer(this))
+{
+	connect(_socket, SIGNAL(connected()), SLOT(socketConnected()));
+	connect(_socket, SIGNAL(disconnected()), SLOT(socketDisconnected()));
+	connect(_socket, SIGNAL(readyRead()), SLOT(socketData()));
+	connect(_socket, SIGNAL(error(QBluetoothSocket::SocketError)),
+			SLOT(socketError(QBluetoothSocket::SocketError)));
+	connect(_socket, SIGNAL(stateChanged(QBluetoothSocket::SocketState)),
+			SLOT(socketState(QBluetoothSocket::SocketState)));
+
+	_sendTimer->setInterval(30);
+	connect(_sendTimer, SIGNAL(timeout()), SLOT(timedSend()));
+
+	_socket->connectToService(address, 1, QIODevice::ReadWrite | QIODevice::Unbuffered);
+}
+
+QPaintEngine* MetaWatch::paintEngine() const
+{
+	if (!_paintEngine) {
+		_paintEngine = new MetaWatchPaintEngine(const_cast<MetaWatch*>(this),
+			const_cast<QImage*>(&_image));
+	}
+
+	return _paintEngine;
+}
+
+QString MetaWatch::model() const
+{
+	return "metawatch-digital";
+}
+
+bool MetaWatch::isConnected() const
+{
+	return _socket->state() == QBluetoothSocket::ConnectedState;
+}
+
+bool MetaWatch::busy() const
+{
+	return _socket->state() != QBluetoothSocket::ConnectedState ||
+			_toSend.size() > 20;
+}
+
+void MetaWatch::update(const QList<QRect> &rects)
+{
+	if (_socket->state() != QBluetoothSocket::ConnectedState) return;
+	const QRect imageRect = _image.rect();
+	QVector<bool> lines(_image.height(), false);
+
+	foreach (const QRect& rect, rects) {
+		QRect r = rect.intersect(imageRect);
+		for (int i = r.top(); i <= r.bottom(); i++) {
+			lines[i] = true;
+		}
+	}
+
+	updateLines(ApplicationMode, _image, lines);
+	updateDisplay(ApplicationMode);
+}
+
+void MetaWatch::clear(bool white)
+{qDebug() << "MWclear" << white;
+	if (_socket->state() != QBluetoothSocket::ConnectedState) return;
+	loadTemplate(ApplicationMode, white ? 1 : 0);
+}
+
+void MetaWatch::vibrate(bool on)
+{
+
+}
+
+void MetaWatch::setDateTime(const QDateTime &dateTime)
+{
+	Message msg(SetRealTimeClock, QByteArray(10, 0));
+	const QDate& date = dateTime.date();
+	const QTime& time = dateTime.time();
+
+	msg.data[0] = date.year() & 0xF00;
+	msg.data[1] = date.year() & 0xFF;
+	msg.data[2] = date.month();
+	msg.data[3] = date.day();
+	msg.data[4] = date.dayOfWeek() - 1;
+	msg.data[5] = time.hour();
+	msg.data[6] = time.minute();
+	msg.data[7] = time.second();
+	msg.data[8] = 1;
+	msg.data[9] = 1;
+
+	send(msg);
+}
+
+quint16 MetaWatch::calcCrc(const QByteArray &data, int size)
+{
+	quint16 remainder = 0xFFFF;
+
+	for (int i = 0; i < size; i++) {
+		quint8 byte = data[i];
+		byte = (bitRevTable[byte & 0xF] << 4) | bitRevTable[(byte & 0xF0) >> 4];
+		remainder = crcTable[byte ^ (remainder >> 8)] ^ (remainder << 8);
+	}
+
+	return remainder;
+}
+
+quint16 MetaWatch::calcCrc(const Message& msg)
+{
+	QByteArray data;
+	const int msgSize = msg.data.size();
+
+	data.resize(msgSize + 4);
+	data[0] = 0x01;
+	data[1] = msgSize + 6;
+	data[2] = msg.type;
+	data[3] = msg.options;
+	data.replace(4, msgSize, msg.data);
+
+	return calcCrc(data, msgSize + 4);
+}
+
+void MetaWatch::send(const Message &msg)
+{
+	_toSend.enqueue(msg);
+	if (!_sendTimer->isActive()) {
+		_sendTimer->start();
+	}
+}
+
+void MetaWatch::handleMessage(const Message &msg)
+{
+	switch (msg.type) {
+	case StatusChangeEvent:
+		handleStatusChange(msg);
+		break;
+	case ButtonEvent:
+		handleButtonEvent(msg);
+		break;
+	default:
+		qWarning() << "Unknown message of type" << msg.type << "received";
+		break;
+	}
+}
+
+void MetaWatch::updateLine(Mode mode, const QImage& image, int line)
+{
+	Message msg(WriteBuffer, QByteArray(13, 0), (1 << 4) | (mode & 0xF));
+	const char * scanLine = (const char *) image.constScanLine(line);
+
+	msg.data[0] = line;
+	msg.data.replace(1, 12, scanLine, 12);
+
+	send(msg);
+}
+
+void MetaWatch::updateLines(Mode mode, const QImage& image, int lineA, int lineB)
+{
+	Message msg(WriteBuffer, QByteArray(26, 0), mode & 0xF);
+	const char * scanLine = (const char *) image.constScanLine(lineA);
+
+	msg.data[0] = lineA;
+	msg.data.replace(1, 12, scanLine, 12);
+
+	scanLine = (const char *) image.constScanLine(lineB);
+	msg.data[13] = lineB;
+	msg.data.replace(14, 12, scanLine, 12);
+
+	send(msg);
+}
+
+void MetaWatch::updateLines(Mode mode, const QImage& image, const QVector<bool>& lines)
+{
+	int lineCount = lines.count(true);
+	int lineA = -1;
+
+	if (lineCount == 0) return;
+
+	for (int line = 0; line < lines.size(); line++) {
+		if (lines[line]) {
+			lineCount--;
+#if SINGLE_LINE_UPDATE
+			updateLine(mode, image, line);
+			continue;
+#endif
+			if (lineA >= 0) {
+				// We have a pair of lines to send.
+				updateLines(mode, image, lineA, line);
+				lineA = -1;
+			} else if (lineCount > 0) {
+				// Still another line to send.
+				lineA = line;
+			} else {
+				updateLine(mode, image, line);
+				break; // No more lines
+			}
+		}
+	}
+}
+
+void MetaWatch::configureWatchMode(Mode mode, int timeout, bool invert)
+{
+	Message msg(ConfigureMode, QByteArray(2, 0), mode & 0xF);
+	msg.data[0] = timeout;
+	msg.data[1] = invert ? 1 : 0;
+	send(msg);
+}
+
+void MetaWatch::updateDisplay(Mode mode, bool copy)
+{
+	Message msg(UpdateDisplay, QByteArray(),
+				(copy ? 0x10 : 0) | (mode & 0xF));
+	send(msg);
+}
+
+void MetaWatch::loadTemplate(Mode mode, int templ)
+{
+	Message msg(LoadTemplate, QByteArray(1, templ), mode & 0xF);
+	send(msg);
+}
+
+void MetaWatch::handleStatusChange(const Message &msg)
+{
+	qDebug() << "watch status changed" << msg.data.size();
+}
+
+void MetaWatch::handleButtonEvent(const Message &msg)
+{
+	if (msg.data.size() < 1) return;
+	quint8 button = msg.data[0];
+
+	emit buttonPressed(button); // TODO This is completely broken
+}
+
+void MetaWatch::socketConnected()
+{
+	qDebug() << "connected";
+	_partialReceived.type = NoMessage;
+	_partialReceived.data.clear();
+	_buttonState = 0;
+	setDateTime(QDateTime::currentDateTime());
+	configureWatchMode(ApplicationMode);
+	emit connected();
+}
+
+void MetaWatch::socketDisconnected()
+{
+	_toSend.clear();
+	_sendTimer->stop();
+	emit disconnected();
+}
+
+void MetaWatch::socketData()
+{
+	qint64 dataRead;
+
+	if (_partialReceived.type == 0) {
+		if (_socket->bytesAvailable() < 4) return; /* Wait for more. */
+		char header[4];
+
+		dataRead = _socket->read(header, 4);
+		if (dataRead < 4 || header[0] != 0x01) {
+			qWarning() << "TODO: Resync/Handle Garbage";
+			return;
+		}
+
+		_partialReceived.type = static_cast<MessageType>(header[2]);
+		_partialReceived.data.resize(header[1] - 6);
+		_partialReceived.options = header[3];
+	}
+	if (_socket->bytesAvailable() < _partialReceived.data.size() + 2) {
+		return; /* Wait for more. */
+	}
+	dataRead = _socket->read(_partialReceived.data.data(), _partialReceived.data.size());
+	if (dataRead < _partialReceived.data.size()) {
+		qWarning() << "Short read";
+		return;
+	}
+
+	char tail[2];
+	dataRead = _socket->read(tail, 2);
+	if (dataRead < 2) {
+		qWarning() << "Short read";
+		return;
+	}
+
+	quint16 realCrc = calcCrc(_partialReceived);
+	quint16 expectedCrc = tail[1] << 8 | (tail[0] & 0xFFU);
+	if (realCrc == expectedCrc) {
+		handleMessage(_partialReceived);
+	} else {
+		qWarning() << "CRC error?";
+	}
+
+	_partialReceived.data.clear();
+	_partialReceived.type = NoMessage;
+}
+
+void MetaWatch::socketError(QBluetoothSocket::SocketError error)
+{
+	qWarning() << "Socket error:" << error;
+}
+
+void MetaWatch::socketState(QBluetoothSocket::SocketState error)
+{
+	qDebug() << "socket is in" << error;
+}
+
+void MetaWatch::timedSend()
+{
+	if (_toSend.count() > 0) {
+		realSend(_toSend.dequeue());
+	}
+	if (_toSend.count() == 0) {
+		_sendTimer->stop();
+	}
+}
+
+void MetaWatch::realSend(const Message &msg)
+{
+	const int msgSize = msg.data.size();
+	QByteArray data;
+	quint16 crc;
+
+	data.resize(msgSize + 6);
+	data[0] = 0x01;
+	data[1] = msgSize + 6;
+	data[2] = msg.type;
+	data[3] = msg.options;
+	data.replace(4, msgSize, msg.data);
+	crc = calcCrc(data, msgSize + 4);
+	data[msgSize+4] = crc & 0xFF;
+	data[msgSize+5] = crc >> 8;
+
+	//qDebug() << "Sending" << data.toHex();
+
+	_socket->write(data);
+}
diff --git a/metawatch/metawatch.h b/metawatch/metawatch.h
new file mode 100644
index 0000000..80a1894
--- /dev/null
+++ b/metawatch/metawatch.h
@@ -0,0 +1,122 @@
+#ifndef METAWATCH_H
+#define METAWATCH_H
+
+#include <QtConnectivity/QBluetoothAddress>
+#include <QtConnectivity/QBluetoothSocket>
+#include <QtCore/QQueue>
+#include <QtCore/QTimer>
+#include "watch.h"
+
+using QTM_PREPEND_NAMESPACE(QBluetoothSocket);
+using QTM_PREPEND_NAMESPACE(QBluetoothAddress);
+
+namespace sowatch
+{
+
+class MetaWatch : public Watch
+{
+    Q_OBJECT
+	Q_ENUMS(MessageType Mode)
+
+public:
+	explicit MetaWatch(const QBluetoothAddress& address, QObject *parent = 0);
+
+	QPaintEngine* paintEngine() const;
+
+	QString model() const;
+	bool isConnected() const;
+	bool busy() const;
+	void update(const QList<QRect>& rects);
+	void clear(bool white = false);
+	void vibrate(bool on);
+
+	void setDateTime(const QDateTime& dateTime);
+
+	enum MessageType {
+		NoMessage = 0,
+		GetDeviceType = 0x01,
+		GetDeviceTypeResponse = 0x02,
+		GetInformationString = 0x03,
+		GetInformationStringResponse = 0x04,
+		AdvanceWatchHands = 0x20,
+		SetVibrateMode = 0x23,
+		SetRealTimeClock = 0x26,
+		GetRealTimeClock = 0x27,
+		GetRealTimeClockResponse = 0x28,
+		StatusChangeEvent = 0x33,
+		ButtonEvent = 0x34,
+		WriteBuffer = 0x40,
+		ConfigureMode = 0x41,
+		ConfigureIdleBufferSize = 0x42,
+		UpdateDisplay = 0x43,
+		LoadTemplate = 0x44,
+		EnableButton = 0x46,
+		DisableButton = 0x47,
+		ReadButtonConfiguration = 0x48,
+		ReadButtonConfigurationResponse = 0x49,
+		BatteryConfiguration = 0x53,
+		LowBatteryWarning = 0x54,
+		LowBatteryBluetoothOff = 0x55,
+		ReadBatteryVoltage = 0x56,
+		ReadBatteryVoltageResponse = 0x57,
+		Accelerometer = 0xea
+	};
+
+	enum Mode {
+		IdleMode = 0,
+		ApplicationMode = 1
+	};
+
+protected:
+	QBluetoothSocket* _socket;
+
+	struct Message {
+		MessageType type;
+		quint8 options;
+		QByteArray data;
+		Message(MessageType ntype = NoMessage, QByteArray ndata = QByteArray(), quint8 noptions = 0) :
+			type(ntype), options(noptions), data(ndata)
+		{
+
+		}
+	};
+
+	QQueue<Message> _toSend;
+	QTimer* _sendTimer;
+	Message _partialReceived;
+
+	quint8 _buttonState;
+
+	static const quint8 bitRevTable[16];
+	static const quint16 crcTable[256];
+	quint16 calcCrc(const QByteArray& data, int size);
+	quint16 calcCrc(const Message& msg);
+
+	void send(const Message& msg);
+	void handleMessage(const Message& msg);
+
+	void updateLine(Mode mode, const QImage& image, int line);
+	void updateLines(Mode mode, const QImage& image, int lineA, int lineB);
+	void updateLines(Mode mode, const QImage& image, const QVector<bool>& lines);
+	void configureWatchMode(Mode mode, int timeout = 10, bool invert = false);
+	void updateDisplay(Mode mode, bool copy = true);
+	void loadTemplate(Mode mode, int templ);
+
+	void handleStatusChange(const Message& msg);
+	void handleButtonEvent(const Message& msg);
+
+protected slots:
+	void socketConnected();
+	void socketDisconnected();
+	void socketData();
+	void socketError(QBluetoothSocket::SocketError error);
+	void socketState(QBluetoothSocket::SocketState error);
+	void timedSend();
+
+private:
+	void realSend(const Message& msg);
+};
+
+}
+
+#endif // METAWATCH_H
diff --git a/metawatch/metawatch.pro b/metawatch/metawatch.pro
new file mode 100644
index 0000000..d8c63c4
--- /dev/null
+++ b/metawatch/metawatch.pro
@@ -0,0 +1,53 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2011-09-17T03:22:32
+#
+#-------------------------------------------------
+
+TARGET = metawatch
+TEMPLATE = lib
+CONFIG   += mobility
+MOBILITY += connectivity
+
+SOURCES += metawatchplugin.cpp \
+    metawatchsimulatorform.cpp \
+    metawatchsimulator.cpp \
+    metawatchpaintengine.cpp \
+    metawatch.cpp
+
+HEADERS += metawatchplugin.h \
+    metawatchsimulatorform.h \
+    metawatchsimulator.h \
+    metawatchpaintengine.h \
+    metawatch.h
+
+FORMS += \
+	metawatchsimulatorform.ui
+
+symbian {
+    MMP_RULES += EXPORTUNFROZEN
+    TARGET.UID3 = 0xE4DC26B0
+    TARGET.CAPABILITY = 
+    TARGET.EPOCALLOWDLLDATA = 1
+    addFiles.sources = metawatch.dll
+    addFiles.path = !:/sys/bin
+    DEPLOYMENT += addFiles
+}
+
+unix:!symbian {
+    maemo5 {
+        target.path = /opt/usr/lib
+    } else {
+        target.path = /usr/lib
+    }
+    INSTALLS += target
+}
+
+
+win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../libsowatch/release/ -llibsowatch
+else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../libsowatch/debug/ -llibsowatch
+else:symbian: LIBS += -llibsowatch
+else:unix: LIBS += -L$$OUT_PWD/../libsowatch/ -llibsowatch
+
+INCLUDEPATH += $$PWD/../libsowatch
+DEPENDPATH += $$PWD/../libsowatch
diff --git a/metawatch/metawatchpaintengine.cpp b/metawatch/metawatchpaintengine.cpp
new file mode 100644
index 0000000..71ad452
--- /dev/null
+++ b/metawatch/metawatchpaintengine.cpp
@@ -0,0 +1,82 @@
+#include "metawatch.h"
+#include "metawatchpaintengine.h"
+
+using namespace sowatch;
+
+MetaWatchPaintEngine::MetaWatchPaintEngine(MetaWatch* watch, QImage* image) :
+	WatchPaintEngine(watch, image),	_watch(watch),
+	_imageRect(image->rect())
+{
+}
+
+void MetaWatchPaintEngine::drawRects(const QRectF *rects, int rectCount)
+{
+	int i;
+	for (i = 0; i < rectCount; i++) {
+		const QRectF& r = rects[i];
+		if (_hasBrush && fillsEntireImage(r.toRect()) && (_isBrushBlack | _isBrushWhite)) {
+			_watch->clear(_isBrushWhite);
+			_damaged = QRegion();
+			continue;
+		}
+		if (_hasBrush) {
+			damageRect(r);
+		}
+		if (_hasPen) {
+			damagePenStroke(QLineF(r.left(), r.top(), r.right(), r.top()));
+			damagePenStroke(QLineF(r.right(), r.top(), r.right(), r.bottom()));
+			damagePenStroke(QLineF(r.left(), r.bottom(), r.right(), r.bottom()));
+			damagePenStroke(QLineF(r.left(), r.top(), r.left(), r.bottom()));
+		}
+	}
+	_painter.drawRects(rects, rectCount);
+}
+
+void MetaWatchPaintEngine::drawRects(const QRect *rects, int rectCount)
+{
+	int i;
+	for (i = 0; i < rectCount; i++) {
+		const QRect& r = rects[i];
+		if (_hasBrush && fillsEntireImage(r) && (_isBrushBlack | _isBrushWhite)) {
+			_watch->clear(_isBrushWhite);
+			_damaged = QRegion();
+			continue;
+		}
+		if (_hasBrush) {
+			damageRect(r);
+		}
+		if (_hasPen) {
+			damagePenStroke(QLine(r.left(), r.top(), r.right(), r.top()));
+			damagePenStroke(QLine(r.right(), r.top(), r.right(), r.bottom()));
+			damagePenStroke(QLine(r.left(), r.bottom(), r.right(), r.bottom()));
+			damagePenStroke(QLine(r.left(), r.top(), r.left(), r.bottom()));
+		}
+	}
+
+	_painter.drawRects(rects, rectCount);
+}
+
+void MetaWatchPaintEngine::updateState(const QPaintEngineState &state)
+{
+	WatchPaintEngine::updateState(state);
+	if (state.state() & QPaintEngine::DirtyBrush) {
+		QBrush brush = state.brush();
+		_isBrushBlack = false;
+		_isBrushWhite = false;
+		if (brush.style() == Qt::SolidPattern) {
+			const QColor color = brush.color();
+			if (color == Qt::black) {
+				_isBrushBlack = true;
+			} else if (color == Qt::white) {
+				_isBrushWhite = true;
+			}
+		}
+	}
+}
+
+bool MetaWatchPaintEngine::fillsEntireImage(const QRect& rect)
+{
+	return rect == _imageRect &&
+			(!_clipEnabled ||
+			 (_clipRegion.numRects() == 1 && _clipRegion.rects().at(0) == _imageRect));
+}
diff --git a/metawatch/metawatchpaintengine.h b/metawatch/metawatchpaintengine.h
new file mode 100644
index 0000000..efc3d6e
--- /dev/null
+++ b/metawatch/metawatchpaintengine.h
@@ -0,0 +1,34 @@
+#ifndef METAWATCHPAINTENGINE_H
+#define METAWATCHPAINTENGINE_H
+
+#include <QtCore/QRect>
+#include "watchpaintengine.h"
+
+namespace sowatch
+{
+
+class MetaWatch;
+
+/** This WatchPaintEngine accelerates fillRects by using the MetaWatch's template command. */
+class MetaWatchPaintEngine : public WatchPaintEngine
+{
+public:
+	explicit MetaWatchPaintEngine(MetaWatch* watch, QImage* image);
+
+	void drawRects(const QRectF *rects, int rectCount);
+	void drawRects(const QRect *rects, int rectCount);
+
+	void updateState(const QPaintEngineState &state);
+
+protected:
+	bool fillsEntireImage(const QRect& rect);
+
+	MetaWatch* _watch;
+	QRect _imageRect;
+	bool _isBrushBlack;
+	bool _isBrushWhite;
+};
+
+}
+
+#endif // METAWATCHPAINTENGINE_H
diff --git a/metawatch/metawatchplugin.cpp b/metawatch/metawatchplugin.cpp
new file mode 100644
index 0000000..e5eaabf
--- /dev/null
+++ b/metawatch/metawatchplugin.cpp
@@ -0,0 +1,29 @@
+#include "metawatch.h"
+#include "metawatchsimulator.h"
+#include "metawatchplugin.h"
+
+using namespace sowatch;
+
+MetaWatchPlugin::~MetaWatchPlugin()
+{
+
+}
+
+QStringList MetaWatchPlugin::drivers()
+{
+	QStringList d;
+	d << "metawatch-digital";
+	d << "metawatch-digital-sim";
+	return d;
+}
+
+Watch* MetaWatchPlugin::getWatch(const QString& driver, const QString& connId, QObject *parent)
+{
+	if (driver == "metawatch-digital") {
+		return new MetaWatch(QBluetoothAddress(connId), parent);
+	} else if (driver == "metawatch-digital-sim") {
+		return new MetaWatchSimulator(parent);
+	} else {
+		return 0;
+	}
+}
diff --git a/metawatch/metawatchplugin.h b/metawatch/metawatchplugin.h
new file mode 100644
index 0000000..d0e7c91
--- /dev/null
+++ b/metawatch/metawatchplugin.h
@@ -0,0 +1,22 @@
+#ifndef METAWATCHPLUGIN_H
+#define METAWATCHPLUGIN_H
+
+#include <sowatch.h>
+
+namespace sowatch
+{
+
+class MetaWatchPlugin : public QObject, public WatchPluginInterface {
+	Q_OBJECT
+	Q_INTERFACES(WatchPluginInterface)
+
+public:
+	~MetaWatchPlugin();
+
+	virtual QStringList drivers();
+	virtual Watch* getWatch(const QString& driver, const QString& connId, QObject *parent = 0);
+};
+
+}
+
+#endif // METAWATCHPLUGIN_H
diff --git a/metawatch/metawatchsimulator.cpp b/metawatch/metawatchsimulator.cpp
new file mode 100644
index 0000000..11b938a
--- /dev/null
+++ b/metawatch/metawatchsimulator.cpp
@@ -0,0 +1,82 @@
+#include <QtCore/QDebug>
+#include <QtGui/QPainter>
+
+#include "metawatchsimulator.h"
+
+#define SIMULATE_DAMAGES 1
+#define SIMULATE_FRAMERATE 1
+
+using namespace sowatch;
+
+MetaWatchSimulator::MetaWatchSimulator(QObject *parent) :
+	WatchSimulator(QImage(96, 96, QImage::Format_Mono), parent),
+	_screen(96, 96),
+	_form(new MetaWatchSimulatorForm),
+	_nextFrame(QTime::currentTime())
+{
+	_form->showNormal();
+	connect(_form, SIGNAL(destroyed()), SIGNAL(disconnected()));
+	connect(_form, SIGNAL(buttonPressed(int)), SIGNAL(buttonPressed(int)));
+	connect(_form, SIGNAL(buttonReleased(int)), SIGNAL(buttonReleased(int)));
+}
+
+MetaWatchSimulator::~MetaWatchSimulator()
+{
+	delete _form;
+}
+
+QString MetaWatchSimulator::model() const
+{
+	return "metawatch-digital";
+}
+
+bool MetaWatchSimulator::isConnected() const
+{
+	return true;
+}
+
+bool MetaWatchSimulator::busy() const
+{
+#if SIMULATE_FRAMERATE
+	return _nextFrame > QTime::currentTime();
+#else
+	return false;
+#endif
+}
+
+void MetaWatchSimulator::update(const QList<QRect> &rects)
+{
+#if SIMULATE_DAMAGES
+	const QRect imageRect = _image.rect();
+	QPainter p;
+	QVector<bool> rows(96, false);
+	unsigned total = 0, totalRows;
+
+	p.begin(&_screen);
+	foreach (const QRect& rect, rects) {
+		QRect r = rect.intersect(imageRect);
+		for (int i = r.top(); i <= r.bottom(); i++) {
+			rows[i] = true;
+		}
+		total += r.width() * r.height();
+
+		p.drawImage(r, _image, r);
+	}
+	p.end();
+
+	totalRows = rows.count(true);
+
+	_form->refreshScreen(_screen);
+
+	qDebug() << "updated " << total << " pixels " << totalRows << " lines";
+	_nextFrame = QTime::currentTime().addMSecs(((totalRows / 2) + 1) * 30);
+#else
+	_form->refreshScreen(QPixmap::fromImage(_image));
+	_nextFrame = QTime::currentTime().addMSecs(30);
+#endif
+}
+
+void MetaWatchSimulator::vibrate(bool on)
+{
+	qDebug() << "vibrate" << on;
+}
diff --git a/metawatch/metawatchsimulator.h b/metawatch/metawatchsimulator.h
new file mode 100644
index 0000000..674c3c6
--- /dev/null
+++ b/metawatch/metawatchsimulator.h
@@ -0,0 +1,32 @@
+#ifndef METAWATCHSIMULATOR_H
+#define METAWATCHSIMULATOR_H
+
+#include <QtCore/QTime>
+#include "watchsimulator.h"
+#include "metawatchsimulatorform.h"
+
+namespace sowatch {
+
+class MetaWatchSimulator : public WatchSimulator
+{
+    Q_OBJECT
+public:
+    explicit MetaWatchSimulator(QObject *parent = 0);
+	~MetaWatchSimulator();
+
+	QString model() const;
+	bool isConnected() const;
+	bool busy() const;
+
+	void update(const QList<QRect> &rects);
+	void vibrate(bool on);
+
+protected:
+	QPixmap _screen;
+	MetaWatchSimulatorForm* _form;
+	QTime _nextFrame;
+};
+
+}
+
+#endif // METAWATCHSIMULATOR_H
diff --git a/metawatch/metawatchsimulatorform.cpp b/metawatch/metawatchsimulatorform.cpp
new file mode 100644
index 0000000..f2323bd
--- /dev/null
+++ b/metawatch/metawatchsimulatorform.cpp
@@ -0,0 +1,82 @@
+#include "metawatchsimulatorform.h"
+#include "ui_metawatchsimulatorform.h"
+
+using namespace sowatch;
+
+MetaWatchSimulatorForm::MetaWatchSimulatorForm(QWidget* parent) :
+    QWidget(parent),
+    ui(new Ui::MetaWatchSimulatorForm)
+{
+    ui->setupUi(this);
+}
+
+MetaWatchSimulatorForm::~MetaWatchSimulatorForm()
+{
+    delete ui;
+}
+
+void MetaWatchSimulatorForm::refreshScreen(const QPixmap& pixmap)
+{
+	ui->lblDisplay->setPixmap(pixmap);
+	ui->lblDisplay->update();
+}
+
+void MetaWatchSimulatorForm::btnAPressed()
+{
+	emit buttonPressed(0);
+}
+
+void MetaWatchSimulatorForm::btnAReleased()
+{
+	emit buttonReleased(0);
+}
+
+void MetaWatchSimulatorForm::btnBPressed()
+{
+	emit buttonPressed(1);
+}
+
+void MetaWatchSimulatorForm::btnBReleased()
+{
+	emit buttonReleased(1);
+}
+
+void MetaWatchSimulatorForm::btnCPressed()
+{
+	emit buttonPressed(2);
+}
+
+void MetaWatchSimulatorForm::btnCReleased()
+{
+	emit buttonReleased(2);
+}
+
+void MetaWatchSimulatorForm::btnDPressed()
+{
+	emit buttonPressed(3);
+}
+
+void MetaWatchSimulatorForm::btnDReleased()
+{
+	emit buttonReleased(3);
+}
+
+void MetaWatchSimulatorForm::btnEPressed()
+{
+	emit buttonPressed(4);
+}
+
+void MetaWatchSimulatorForm::btnEReleased()
+{
+	emit buttonReleased(4);
+}
+
+void MetaWatchSimulatorForm::btnFPressed()
+{
+	emit buttonPressed(5);
+}
+
+void MetaWatchSimulatorForm::btnFReleased()
+{
+	emit buttonReleased(5);
+}
diff --git a/metawatch/metawatchsimulatorform.h b/metawatch/metawatchsimulatorform.h
new file mode 100644
index 0000000..0b45746
--- /dev/null
+++ b/metawatch/metawatchsimulatorform.h
@@ -0,0 +1,46 @@
+#ifndef METAWATCHSIMULATORFORM_H
+#define METAWATCHSIMULATORFORM_H
+
+#include <QWidget>
+
+namespace Ui {
+	class MetaWatchSimulatorForm;
+}
+
+namespace sowatch {
+
+class MetaWatchSimulatorForm : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit MetaWatchSimulatorForm(QWidget *parent = 0);
+    ~MetaWatchSimulatorForm();
+
+	void refreshScreen(const QPixmap& screen);
+
+signals:
+	void buttonPressed(int button);
+	void buttonReleased(int button);
+
+protected slots:
+	void btnAPressed();
+	void btnAReleased();
+	void btnBPressed();
+	void btnBReleased();
+	void btnCPressed();
+	void btnCReleased();
+	void btnDPressed();
+	void btnDReleased();
+	void btnEPressed();
+	void btnEReleased();
+	void btnFPressed();
+	void btnFReleased();
+
+private:
+    Ui::MetaWatchSimulatorForm *ui;
+};
+
+}
+
+#endif // METAWATCHSIMULATORFORM_H
diff --git a/metawatch/metawatchsimulatorform.ui b/metawatch/metawatchsimulatorform.ui
new file mode 100644
index 0000000..39280b3
--- /dev/null
+++ b/metawatch/metawatchsimulatorform.ui
@@ -0,0 +1,294 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MetaWatchSimulatorForm</class>
+ <widget class="QWidget" name="MetaWatchSimulatorForm">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>262</width>
+    <height>113</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MetaWatch-Digital Simulator</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout">
+   <item>
+    <layout class="QVBoxLayout" name="btnsLeft">
+     <item>
+      <widget class="QPushButton" name="btnA">
+       <property name="text">
+        <string>A</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btnB">
+       <property name="text">
+        <string>B</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btnC">
+       <property name="text">
+        <string>C</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QLabel" name="lblDisplay">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string/>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QVBoxLayout" name="btnsRight">
+     <item>
+      <widget class="QPushButton" name="btnD">
+       <property name="text">
+        <string>D</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btnE">
+       <property name="text">
+        <string>E</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btnF">
+       <property name="text">
+        <string>F</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>btnA</sender>
+   <signal>pressed()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnAPressed()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>44</x>
+     <y>20</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>105</x>
+     <y>4</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnA</sender>
+   <signal>released()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnAReleased()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>71</x>
+     <y>21</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>4</x>
+     <y>10</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnB</sender>
+   <signal>pressed()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnBPressed()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>68</x>
+     <y>57</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>98</x>
+     <y>75</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnB</sender>
+   <signal>released()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnBReleased()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>86</x>
+     <y>56</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>98</x>
+     <y>58</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnC</sender>
+   <signal>pressed()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnCPressed()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>37</x>
+     <y>90</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>73</x>
+     <y>108</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnC</sender>
+   <signal>released()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnCReleased()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>21</x>
+     <y>89</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>19</x>
+     <y>105</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnD</sender>
+   <signal>pressed()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnDPressed()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>203</x>
+     <y>18</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>205</x>
+     <y>5</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnD</sender>
+   <signal>released()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnDReleased()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>244</x>
+     <y>22</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>258</x>
+     <y>21</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnE</sender>
+   <signal>pressed()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnEPressed()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>237</x>
+     <y>50</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>256</x>
+     <y>51</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnE</sender>
+   <signal>released()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnEReleased()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>174</x>
+     <y>46</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>164</x>
+     <y>40</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnF</sender>
+   <signal>pressed()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnFPressed()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>236</x>
+     <y>89</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>258</x>
+     <y>87</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnF</sender>
+   <signal>released()</signal>
+   <receiver>MetaWatchSimulatorForm</receiver>
+   <slot>btnFReleased()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>185</x>
+     <y>90</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>187</x>
+     <y>108</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <slots>
+  <slot>btnAPressed()</slot>
+  <slot>btnAReleased()</slot>
+  <slot>btnBPressed()</slot>
+  <slot>btnBReleased()</slot>
+  <slot>btnCPressed()</slot>
+  <slot>btnCReleased()</slot>
+  <slot>btnDPressed()</slot>
+  <slot>btnDReleased()</slot>
+  <slot>btnEPressed()</slot>
+  <slot>btnEReleased()</slot>
+  <slot>btnFPressed()</slot>
+  <slot>btnFReleased()</slot>
+ </slots>
+</ui>