Minor feature fix led to refactoring for i18n's sake.

Task-number: QTBUG-18397

8 files changed, 859 insertions, 509 deletions

diff --git a/demos/embedded/lightmaps/lightmaps.cpp b/demos/embedded/lightmaps/lightmaps.cpp
index dfbef06..8e64e73 100644
--- a/demos/embedded/lightmaps/lightmaps.cpp
+++ b/demos/embedded/lightmaps/lightmaps.cpp
@@ -45,6 +45,9 @@
 
 #include <math.h>
 
+#include "lightmaps.h"
+#include "slippymap.h"
+
 #ifndef M_PI
 #define M_PI 3.14159265358979323846
 #endif
@@ -59,552 +62,226 @@
 // Hint: see above to find why I picked this one :)
 #define MAX_MAGNIFIER 229
 
-uint qHash(const QPoint& p)
+LightMaps::LightMaps(QWidget *parent)
+    : QWidget(parent), pressed(false), snapped(false), zoomed(false),
+      invert(false)
 {
-    return p.x() * 17 ^ p.y();
+    m_normalMap = new SlippyMap(this);
+    m_largeMap = new SlippyMap(this);
+    connect(m_normalMap, SIGNAL(updated(QRect)), SLOT(updateMap(QRect)));
+    connect(m_largeMap, SIGNAL(updated(QRect)), SLOT(update()));
 }
 
-// tile size in pixels
-const int tdim = 256;
-
-QPointF tileForCoordinate(qreal lat, qreal lng, int zoom)
+void LightMaps::setCenter(qreal lat, qreal lng)
 {
-    qreal zn = static_cast<qreal>(1 << zoom);
-    qreal tx = (lng + 180.0) / 360.0;
-    qreal ty = (1.0 - log(tan(lat * M_PI / 180.0) +
-                          1.0 / cos(lat * M_PI / 180.0)) / M_PI) / 2.0;
-    return QPointF(tx * zn, ty * zn);
+    m_normalMap->latitude = lat;
+    m_normalMap->longitude = lng;
+    m_normalMap->invalidate();
+    m_largeMap->latitude = lat;
+    m_largeMap->longitude = lng;
+    m_largeMap->invalidate();
 }
 
-qreal longitudeFromTile(qreal tx, int zoom)
+void LightMaps::toggleNightMode()
 {
-    qreal zn = static_cast<qreal>(1 << zoom);
-    qreal lat = tx / zn * 360.0 - 180.0;
-    return lat;
+    invert = !invert;
+    update();
 }
 
-qreal latitudeFromTile(qreal ty, int zoom)
+void LightMaps::updateMap(const QRect &r)
 {
-    qreal zn = static_cast<qreal>(1 << zoom);
-    qreal n = M_PI - 2 * M_PI * ty / zn;
-    qreal lng = 180.0 / M_PI * atan(0.5 * (exp(n) - exp(-n)));
-    return lng;
+    update(r);
 }
 
-class SlippyMap: public QObject
+void LightMaps::activateZoom()
 {
-    Q_OBJECT
-
-public:
-    int width;
-    int height;
-    int zoom;
-    qreal latitude;
-    qreal longitude;
-
-    SlippyMap(QObject *parent = 0)
-            : QObject(parent)
-            , width(400)
-            , height(300)
-            , zoom(15)
-            , latitude(59.9138204)
-            , longitude(10.7387413) {
-        m_emptyTile = QPixmap(tdim, tdim);
-        m_emptyTile.fill(Qt::lightGray);
-
-        QNetworkDiskCache *cache = new QNetworkDiskCache;
-        cache->setCacheDirectory(QDesktopServices::storageLocation
-                                 (QDesktopServices::CacheLocation));
-        m_manager.setCache(cache);
-        connect(&m_manager, SIGNAL(finished(QNetworkReply*)),
-                this, SLOT(handleNetworkData(QNetworkReply*)));
-    }
-
-    void invalidate() {
-        if (width <= 0 || height <= 0)
-            return;
-
-        QPointF ct = tileForCoordinate(latitude, longitude, zoom);
-        qreal tx = ct.x();
-        qreal ty = ct.y();
-
-        // top-left corner of the center tile
-        int xp = width / 2 - (tx - floor(tx)) * tdim;
-        int yp = height / 2 - (ty - floor(ty)) * tdim;
-
-        // first tile vertical and horizontal
-        int xa = (xp + tdim - 1) / tdim;
-        int ya = (yp + tdim - 1) / tdim;
-        int xs = static_cast<int>(tx) - xa;
-        int ys = static_cast<int>(ty) - ya;
-
-        // offset for top-left tile
-        m_offset = QPoint(xp - xa * tdim, yp - ya * tdim);
-
-        // last tile vertical and horizontal
-        int xe = static_cast<int>(tx) + (width - xp - 1) / tdim;
-        int ye = static_cast<int>(ty) + (height - yp - 1) / tdim;
-
-        // build a rect
-        m_tilesRect = QRect(xs, ys, xe - xs + 1, ye - ys + 1);
-
-        if (m_url.isEmpty())
-            download();
-
-        emit updated(QRect(0, 0, width, height));
-    }
-
-    void render(QPainter *p, const QRect &rect) {
-        for (int x = 0; x <= m_tilesRect.width(); ++x)
-            for (int y = 0; y <= m_tilesRect.height(); ++y) {
-                QPoint tp(x + m_tilesRect.left(), y + m_tilesRect.top());
-                QRect box = tileRect(tp);
-                if (rect.intersects(box)) {
-                    if (m_tilePixmaps.contains(tp))
-                        p->drawPixmap(box, m_tilePixmaps.value(tp));
-                    else
-                        p->drawPixmap(box, m_emptyTile);
-                }
-            }
-    }
-
-    void pan(const QPoint &delta) {
-        QPointF dx = QPointF(delta) / qreal(tdim);
-        QPointF center = tileForCoordinate(latitude, longitude, zoom) - dx;
-        latitude = latitudeFromTile(center.y(), zoom);
-        longitude = longitudeFromTile(center.x(), zoom);
-        invalidate();
-    }
-
-private slots:
-
-    void handleNetworkData(QNetworkReply *reply) {
-        QImage img;
-        QPoint tp = reply->request().attribute(QNetworkRequest::User).toPoint();
-        QUrl url = reply->url();
-        if (!reply->error())
-            if (!img.load(reply, 0))
-                img = QImage();
-        reply->deleteLater();
-        m_tilePixmaps[tp] = QPixmap::fromImage(img);
-        if (img.isNull())
-            m_tilePixmaps[tp] = m_emptyTile;
-        emit updated(tileRect(tp));
-
-        // purge unused spaces
-        QRect bound = m_tilesRect.adjusted(-2, -2, 2, 2);
-        foreach(QPoint tp, m_tilePixmaps.keys())
-        if (!bound.contains(tp))
-            m_tilePixmaps.remove(tp);
-
-        download();
-    }
-
-    void download() {
-        QPoint grab(0, 0);
-        for (int x = 0; x <= m_tilesRect.width(); ++x)
-            for (int y = 0; y <= m_tilesRect.height(); ++y) {
-                QPoint tp = m_tilesRect.topLeft() + QPoint(x, y);
-                if (!m_tilePixmaps.contains(tp)) {
-                    grab = tp;
-                    break;
-                }
-            }
-        if (grab == QPoint(0, 0)) {
-            m_url = QUrl();
-            return;
-        }
-
-        QString path = "http://tile.openstreetmap.org/%1/%2/%3.png";
-        m_url = QUrl(path.arg(zoom).arg(grab.x()).arg(grab.y()));
-        QNetworkRequest request;
-        request.setUrl(m_url);
-        request.setRawHeader("User-Agent", "Nokia (Qt) Graphics Dojo 1.0");
-        request.setAttribute(QNetworkRequest::User, QVariant(grab));
-        m_manager.get(request);
-    }
-
-signals:
-    void updated(const QRect &rect);
-
-protected:
-    QRect tileRect(const QPoint &tp) {
-        QPoint t = tp - m_tilesRect.topLeft();
-        int x = t.x() * tdim + m_offset.x();
-        int y = t.y() * tdim + m_offset.y();
-        return QRect(x, y, tdim, tdim);
-    }
-
-private:
-    QPoint m_offset;
-    QRect m_tilesRect;
-    QPixmap m_emptyTile;
-    QHash<QPoint, QPixmap> m_tilePixmaps;
-    QNetworkAccessManager m_manager;
-    QUrl m_url;
-};
+    zoomed = true;
+    tapTimer.stop();
+    m_largeMap->zoom = m_normalMap->zoom + 1;
+    m_largeMap->width = m_normalMap->width * 2;
+    m_largeMap->height = m_normalMap->height * 2;
+    m_largeMap->latitude = m_normalMap->latitude;
+    m_largeMap->longitude = m_normalMap->longitude;
+    m_largeMap->invalidate();
+    update();
+}
 
-class LightMaps: public QWidget
+void LightMaps::resizeEvent(QResizeEvent *)
 {
-    Q_OBJECT
-
-public:
-    LightMaps(QWidget *parent = 0)
-            : QWidget(parent)
-            , pressed(false)
-            , snapped(false)
-            , zoomed(false)
-            , invert(false) {
-        m_normalMap = new SlippyMap(this);
-        m_largeMap = new SlippyMap(this);
-        connect(m_normalMap, SIGNAL(updated(QRect)), SLOT(updateMap(QRect)));
-        connect(m_largeMap, SIGNAL(updated(QRect)), SLOT(update()));
-    }
-
-    void setCenter(qreal lat, qreal lng) {
-        m_normalMap->latitude = lat;
-        m_normalMap->longitude = lng;
-        m_normalMap->invalidate();
-        m_largeMap->invalidate();
-    }
-
-public slots:
-    void toggleNightMode() {
-        invert = !invert;
-        update();
-    }
-
-private slots:
-    void updateMap(const QRect &r) {
-        update(r);
-    }
-
-protected:
-
-    void activateZoom() {
-        zoomed = true;
-        tapTimer.stop();
-        m_largeMap->zoom = m_normalMap->zoom + 1;
-        m_largeMap->width = m_normalMap->width * 2;
-        m_largeMap->height = m_normalMap->height * 2;
-        m_largeMap->latitude = m_normalMap->latitude;
-        m_largeMap->longitude = m_normalMap->longitude;
-        m_largeMap->invalidate();
-        update();
-    }
-
-    void resizeEvent(QResizeEvent *) {
-        m_normalMap->width = width();
-        m_normalMap->height = height();
-        m_normalMap->invalidate();
-        m_largeMap->width = m_normalMap->width * 2;
-        m_largeMap->height = m_normalMap->height * 2;
-        m_largeMap->invalidate();
-    }
+    m_normalMap->width = width();
+    m_normalMap->height = height();
+    m_normalMap->invalidate();
+    m_largeMap->width = m_normalMap->width * 2;
+    m_largeMap->height = m_normalMap->height * 2;
+    m_largeMap->invalidate();
+}
 
-    void paintEvent(QPaintEvent *event) {
-        QPainter p;
-        p.begin(this);
-        m_normalMap->render(&p, event->rect());
-        p.setPen(Qt::black);
+void LightMaps::paintEvent(QPaintEvent *event)
+{
+    QPainter p;
+    p.begin(this);
+    m_normalMap->render(&p, event->rect());
+    p.setPen(Qt::black);
 #if defined(Q_OS_SYMBIAN)
-        QFont font = p.font();
-        font.setPixelSize(13);
-        p.setFont(font);
+    QFont font = p.font();
+    font.setPixelSize(13);
+    p.setFont(font);
 #endif
-        p.drawText(rect(),  Qt::AlignBottom | Qt::TextWordWrap,
-                   "Map data CCBYSA 2009 OpenStreetMap.org contributors");
-        p.end();
-
-        if (zoomed) {
-            int dim = qMin(width(), height());
-            int magnifierSize = qMin(MAX_MAGNIFIER, dim * 2 / 3);
-            int radius = magnifierSize / 2;
-            int ring = radius - 15;
-            QSize box = QSize(magnifierSize, magnifierSize);
-
-            // reupdate our mask
-            if (maskPixmap.size() != box) {
-                maskPixmap = QPixmap(box);
-                maskPixmap.fill(Qt::transparent);
-
-                QRadialGradient g;
-                g.setCenter(radius, radius);
-                g.setFocalPoint(radius, radius);
-                g.setRadius(radius);
-                g.setColorAt(1.0, QColor(255, 255, 255, 0));
-                g.setColorAt(0.5, QColor(128, 128, 128, 255));
-
-                QPainter mask(&maskPixmap);
-                mask.setRenderHint(QPainter::Antialiasing);
-                mask.setCompositionMode(QPainter::CompositionMode_Source);
-                mask.setBrush(g);
-                mask.setPen(Qt::NoPen);
-                mask.drawRect(maskPixmap.rect());
-                mask.setBrush(QColor(Qt::transparent));
-                mask.drawEllipse(g.center(), ring, ring);
-                mask.end();
-            }
-
-            QPoint center = dragPos - QPoint(0, radius);
-            center = center + QPoint(0, radius / 2);
-            QPoint corner = center - QPoint(radius, radius);
-
-            QPoint xy = center * 2 - QPoint(radius, radius);
+    p.drawText(rect(),  Qt::AlignBottom | Qt::TextWordWrap,
+                "Map data CCBYSA 2009 OpenStreetMap.org contributors");
+    p.end();
+
+    if (zoomed) {
+        int dim = qMin(width(), height());
+        int magnifierSize = qMin(MAX_MAGNIFIER, dim * 2 / 3);
+        int radius = magnifierSize / 2;
+        int ring = radius - 15;
+        QSize box = QSize(magnifierSize, magnifierSize);
+
+        // reupdate our mask
+        if (maskPixmap.size() != box) {
+            maskPixmap = QPixmap(box);
+            maskPixmap.fill(Qt::transparent);
+
+            QRadialGradient g;
+            g.setCenter(radius, radius);
+            g.setFocalPoint(radius, radius);
+            g.setRadius(radius);
+            g.setColorAt(1.0, QColor(255, 255, 255, 0));
+            g.setColorAt(0.5, QColor(128, 128, 128, 255));
+
+            QPainter mask(&maskPixmap);
+            mask.setRenderHint(QPainter::Antialiasing);
+            mask.setCompositionMode(QPainter::CompositionMode_Source);
+            mask.setBrush(g);
+            mask.setPen(Qt::NoPen);
+            mask.drawRect(maskPixmap.rect());
+            mask.setBrush(QColor(Qt::transparent));
+            mask.drawEllipse(g.center(), ring, ring);
+            mask.end();
+        }
 
-            // only set the dimension to the magnified portion
-            if (zoomPixmap.size() != box) {
-                zoomPixmap = QPixmap(box);
-                zoomPixmap.fill(Qt::lightGray);
-            }
-            if (true) {
-                QPainter p(&zoomPixmap);
-                p.translate(-xy);
-                m_largeMap->render(&p, QRect(xy, box));
-                p.end();
-            }
+        QPoint center = dragPos - QPoint(0, radius);
+        center = center + QPoint(0, radius / 2);
+        QPoint corner = center - QPoint(radius, radius);
 
-            QPainterPath clipPath;
-            clipPath.addEllipse(center, ring, ring);
+        QPoint xy = center * 2 - QPoint(radius, radius);
 
-            QPainter p(this);
-            p.setRenderHint(QPainter::Antialiasing);
-            p.setClipPath(clipPath);
-            p.drawPixmap(corner, zoomPixmap);
-            p.setClipping(false);
-            p.drawPixmap(corner, maskPixmap);
-            p.setPen(Qt::gray);
-            p.drawPath(clipPath);
+        // only set the dimension to the magnified portion
+        if (zoomPixmap.size() != box) {
+            zoomPixmap = QPixmap(box);
+            zoomPixmap.fill(Qt::lightGray);
         }
-        if (invert) {
-            QPainter p(this);
-            p.setCompositionMode(QPainter::CompositionMode_Difference);
-            p.fillRect(event->rect(), Qt::white);
+        if (true) {
+            QPainter p(&zoomPixmap);
+            p.translate(-xy);
+            m_largeMap->render(&p, QRect(xy, box));
             p.end();
         }
-    }
 
-    void timerEvent(QTimerEvent *) {
-        if (!zoomed)
-            activateZoom();
-        update();
+        QPainterPath clipPath;
+        clipPath.addEllipse(center, ring, ring);
+
+        QPainter p(this);
+        p.setRenderHint(QPainter::Antialiasing);
+        p.setClipPath(clipPath);
+        p.drawPixmap(corner, zoomPixmap);
+        p.setClipping(false);
+        p.drawPixmap(corner, maskPixmap);
+        p.setPen(Qt::gray);
+        p.drawPath(clipPath);
     }
-
-    void mousePressEvent(QMouseEvent *event) {
-        if (event->buttons() != Qt::LeftButton)
-            return;
-        pressed = snapped = true;
-        pressPos = dragPos = event->pos();
-        tapTimer.stop();
-        tapTimer.start(HOLD_TIME, this);
+    if (invert) {
+        QPainter p(this);
+        p.setCompositionMode(QPainter::CompositionMode_Difference);
+        p.fillRect(event->rect(), Qt::white);
+        p.end();
     }
+}
 
-    void mouseMoveEvent(QMouseEvent *event) {
-        if (!event->buttons())
-            return;
-        if (!zoomed) {
-            if (!pressed || !snapped) {
-                QPoint delta = event->pos() - pressPos;
-                pressPos = event->pos();
-                m_normalMap->pan(delta);
-                return;
-            } else {
-                const int threshold = 10;
-                QPoint delta = event->pos() - pressPos;
-                if (snapped) {
-                    snapped &= delta.x() < threshold;
-                    snapped &= delta.y() < threshold;
-                    snapped &= delta.x() > -threshold;
-                    snapped &= delta.y() > -threshold;
-                }
-                if (!snapped)
-                    tapTimer.stop();
-            }
-        } else {
-            dragPos = event->pos();
-            update();
-        }
-    }
+void LightMaps::timerEvent(QTimerEvent *)
+{
+    if (!zoomed)
+        activateZoom();
+    update();
+}
 
-    void mouseReleaseEvent(QMouseEvent *) {
-        zoomed = false;
-        update();
-    }
+void LightMaps::mousePressEvent(QMouseEvent *event)
+{
+    if (event->buttons() != Qt::LeftButton)
+        return;
+    pressed = snapped = true;
+    pressPos = dragPos = event->pos();
+    tapTimer.stop();
+    tapTimer.start(HOLD_TIME, this);
+}
 
-    void keyPressEvent(QKeyEvent *event) {
-        if (!zoomed) {
-            if (event->key() == Qt::Key_Left)
-                m_normalMap->pan(QPoint(20, 0));
-            if (event->key() == Qt::Key_Right)
-                m_normalMap->pan(QPoint(-20, 0));
-            if (event->key() == Qt::Key_Up)
-                m_normalMap->pan(QPoint(0, 20));
-            if (event->key() == Qt::Key_Down)
-                m_normalMap->pan(QPoint(0, -20));
-            if (event->key() == Qt::Key_Z || event->key() == Qt::Key_Select) {
-                dragPos = QPoint(width() / 2, height() / 2);
-                activateZoom();
-            }
+void LightMaps::mouseMoveEvent(QMouseEvent *event)
+{
+    if (!event->buttons())
+        return;
+    if (!zoomed) {
+        if (!pressed || !snapped) {
+            QPoint delta = event->pos() - pressPos;
+            pressPos = event->pos();
+            m_normalMap->pan(delta);
+            return;
         } else {
-            if (event->key() == Qt::Key_Z || event->key() == Qt::Key_Select) {
-                zoomed = false;
-                update();
-            }
-            QPoint delta(0, 0);
-            if (event->key() == Qt::Key_Left)
-                delta = QPoint(-15, 0);
-            if (event->key() == Qt::Key_Right)
-                delta = QPoint(15, 0);
-            if (event->key() == Qt::Key_Up)
-                delta = QPoint(0, -15);
-            if (event->key() == Qt::Key_Down)
-                delta = QPoint(0, 15);
-            if (delta != QPoint(0, 0)) {
-                dragPos += delta;
-                update();
+            const int threshold = 10;
+            QPoint delta = event->pos() - pressPos;
+            if (snapped) {
+                snapped &= delta.x() < threshold;
+                snapped &= delta.y() < threshold;
+                snapped &= delta.x() > -threshold;
+                snapped &= delta.y() > -threshold;
             }
+            if (!snapped)
+                tapTimer.stop();
         }
+    } else {
+        dragPos = event->pos();
+        update();
     }
+}
 
-private:
-    SlippyMap *m_normalMap;
-    SlippyMap *m_largeMap;
-    bool pressed;
-    bool snapped;
-    QPoint pressPos;
-    QPoint dragPos;
-    QBasicTimer tapTimer;
-    bool zoomed;
-    QPixmap zoomPixmap;
-    QPixmap maskPixmap;
-    bool invert;
-};
-
-class MapZoom : public QMainWindow
+void LightMaps::mouseReleaseEvent(QMouseEvent *)
 {
-    Q_OBJECT
-
-private:
-    LightMaps *map;
-    QNetworkSession *networkSession;
-
-public:
-    MapZoom(): QMainWindow(0) {
-        map = new LightMaps(this);
-        setCentralWidget(map);
-        map->setFocus();
-
-        QAction *osloAction = new QAction("&Oslo", this);
-        QAction *berlinAction = new QAction("&Berlin", this);
-        QAction *jakartaAction = new QAction("&Jakarta", this);
-        QAction *nightModeAction = new QAction("Night Mode", this);
-        nightModeAction->setCheckable(true);
-        nightModeAction->setChecked(false);
-        QAction *osmAction = new QAction("About OpenStreetMap", this);
-        connect(osloAction, SIGNAL(triggered()), SLOT(chooseOslo()));
-        connect(berlinAction, SIGNAL(triggered()), SLOT(chooseBerlin()));
-        connect(jakartaAction, SIGNAL(triggered()), SLOT(chooseJakarta()));
-        connect(nightModeAction, SIGNAL(triggered()), map, SLOT(toggleNightMode()));
-        connect(osmAction, SIGNAL(triggered()), SLOT(aboutOsm()));
-
-#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM)
-        menuBar()->addAction(osloAction);
-        menuBar()->addAction(berlinAction);
-        menuBar()->addAction(jakartaAction);
-        menuBar()->addAction(nightModeAction);
-        menuBar()->addAction(osmAction);
-#else
-        QMenu *menu = menuBar()->addMenu("&Options");
-        menu->addAction(osloAction);
-        menu->addAction(berlinAction);
-        menu->addAction(jakartaAction);
-        menu->addSeparator();
-        menu->addAction(nightModeAction);
-        menu->addAction(osmAction);
-#endif
-
-        QNetworkConfigurationManager manager;
-        if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) {
-            // Get saved network configuration
-            QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
-            settings.beginGroup(QLatin1String("QtNetwork"));
-            const QString id =
-                settings.value(QLatin1String("DefaultNetworkConfiguration")).toString();
-            settings.endGroup();
-
-            // If the saved network configuration is not currently discovered use the system
-            // default
-            QNetworkConfiguration config = manager.configurationFromIdentifier(id);
-            if ((config.state() & QNetworkConfiguration::Discovered) !=
-                QNetworkConfiguration::Discovered) {
-                config = manager.defaultConfiguration();
-            }
-
-            networkSession = new QNetworkSession(config, this);
-            connect(networkSession, SIGNAL(opened()), this, SLOT(sessionOpened()));
+    zoomed = false;
+    update();
+}
 
-            networkSession->open();
-        } else {
-            networkSession = 0;
+void LightMaps::keyPressEvent(QKeyEvent *event)
+{
+    if (!zoomed) {
+        if (event->key() == Qt::Key_Left)
+            m_normalMap->pan(QPoint(20, 0));
+        if (event->key() == Qt::Key_Right)
+            m_normalMap->pan(QPoint(-20, 0));
+        if (event->key() == Qt::Key_Up)
+            m_normalMap->pan(QPoint(0, 20));
+        if (event->key() == Qt::Key_Down)
+            m_normalMap->pan(QPoint(0, -20));
+        if (event->key() == Qt::Key_Z || event->key() == Qt::Key_Select) {
+            dragPos = QPoint(width() / 2, height() / 2);
+            activateZoom();
         }
-    }
-
-private slots:
-
-    void sessionOpened() {
-        // Save the used configuration
-        QNetworkConfiguration config = networkSession->configuration();
-        QString id;
-        if (config.type() == QNetworkConfiguration::UserChoice) {
-            id = networkSession->sessionProperty(
-                    QLatin1String("UserChoiceConfiguration")).toString();
-        } else {
-            id = config.identifier();
+    } else {
+        if (event->key() == Qt::Key_Z || event->key() == Qt::Key_Select) {
+            zoomed = false;
+            update();
+        }
+        QPoint delta(0, 0);
+        if (event->key() == Qt::Key_Left)
+            delta = QPoint(-15, 0);
+        if (event->key() == Qt::Key_Right)
+            delta = QPoint(15, 0);
+        if (event->key() == Qt::Key_Up)
+            delta = QPoint(0, -15);
+        if (event->key() == Qt::Key_Down)
+            delta = QPoint(0, 15);
+        if (delta != QPoint(0, 0)) {
+            dragPos += delta;
+            update();
         }
-
-        QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
-        settings.beginGroup(QLatin1String("QtNetwork"));
-        settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
-        settings.endGroup();
-    }
-
-    void chooseOslo() {
-        map->setCenter(59.9138204, 10.7387413);
-    }
-
-    void chooseBerlin() {
-        map->setCenter(52.52958999943302, 13.383053541183472);
-    }
-
-    void chooseJakarta() {
-        map->setCenter(-6.211544, 106.845172);
-    }
-
-    void aboutOsm() {
-        QDesktopServices::openUrl(QUrl("http://www.openstreetmap.org"));
     }
-};
-
-
-#include "lightmaps.moc"
-
-int main(int argc, char **argv)
-{
-#if defined(Q_WS_X11)
-    QApplication::setGraphicsSystem("raster");
-#endif
-
-    QApplication app(argc, argv);
-    app.setApplicationName("LightMaps");
-
-    MapZoom w;
-    w.setWindowTitle("OpenStreetMap");
-#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM)
-    w.showMaximized();
-#else
-    w.resize(600, 450);
-    w.show();
-#endif
-
-    return app.exec();
 }
diff --git a/demos/embedded/lightmaps/lightmaps.h b/demos/embedded/lightmaps/lightmaps.h
new file mode 100644
index 0000000..42a80c9
--- /dev/null
+++ b/demos/embedded/lightmaps/lightmaps.h
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef LIGHTMAPS_H
+#define LIGHTMAPS_H
+
+#include <QBasicTimer>
+#include <QWidget>
+
+class SlippyMap;
+
+class LightMaps: public QWidget
+{
+    Q_OBJECT
+
+public:
+    LightMaps(QWidget *parent = 0);
+    void setCenter(qreal lat, qreal lng);
+
+public slots:
+    void toggleNightMode();
+
+protected:
+    void activateZoom();
+    void resizeEvent(QResizeEvent *);
+    void paintEvent(QPaintEvent *event);
+    void timerEvent(QTimerEvent *);
+    void mousePressEvent(QMouseEvent *event);
+    void mouseMoveEvent(QMouseEvent *event);
+    void mouseReleaseEvent(QMouseEvent *);
+    void keyPressEvent(QKeyEvent *event);
+
+private slots:
+    void updateMap(const QRect &r);
+
+private:
+    SlippyMap *m_normalMap;
+    SlippyMap *m_largeMap;
+    bool pressed;
+    bool snapped;
+    QPoint pressPos;
+    QPoint dragPos;
+    QBasicTimer tapTimer;
+    bool zoomed;
+    QPixmap zoomPixmap;
+    QPixmap maskPixmap;
+    bool invert;
+};
+
+#endif
\ No newline at end of file
diff --git a/demos/embedded/lightmaps/lightmaps.pro b/demos/embedded/lightmaps/lightmaps.pro
index 9d83721..cf1180b 100644
--- a/demos/embedded/lightmaps/lightmaps.pro
+++ b/demos/embedded/lightmaps/lightmaps.pro
@@ -1,5 +1,11 @@
 TEMPLATE = app
-SOURCES = lightmaps.cpp
+HEADERS   = lightmaps.h \
+            mapzoom.h \
+            slippymap.h
+SOURCES   = lightmaps.cpp \
+            main.cpp \
+            mapzoom.cpp \
+            slippymap.cpp
 QT += network
 
 symbian {
diff --git a/demos/embedded/lightmaps/main.cpp b/demos/embedded/lightmaps/main.cpp
new file mode 100644
index 0000000..34d8d3d
--- /dev/null
+++ b/demos/embedded/lightmaps/main.cpp
@@ -0,0 +1,63 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+#include "mapzoom.h"
+
+int main(int argc, char **argv)
+{
+#if defined(Q_WS_X11)
+    QApplication::setGraphicsSystem("raster");
+#endif
+
+    QApplication app(argc, argv);
+    app.setApplicationName("LightMaps");
+
+    MapZoom w;
+#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM)
+    w.showMaximized();
+#else
+    w.resize(600, 450);
+    w.show();
+#endif
+
+    return app.exec();
+}
diff --git a/demos/embedded/lightmaps/mapzoom.cpp b/demos/embedded/lightmaps/mapzoom.cpp
new file mode 100644
index 0000000..6cafc59
--- /dev/null
+++ b/demos/embedded/lightmaps/mapzoom.cpp
@@ -0,0 +1,147 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include <QtNetwork>
+#include "lightmaps.h"
+#include "mapzoom.h"
+
+MapZoom::MapZoom()
+    : QMainWindow(0)
+{
+    map = new LightMaps(this);
+    setCentralWidget(map);
+    map->setFocus();
+
+    QAction *osloAction = new QAction(tr("&Oslo"), this);
+    QAction *berlinAction = new QAction(tr("&Berlin"), this);
+    QAction *jakartaAction = new QAction(tr("&Jakarta"), this);
+    QAction *nightModeAction = new QAction(tr("Night Mode"), this);
+    nightModeAction->setCheckable(true);
+    nightModeAction->setChecked(false);
+    QAction *osmAction = new QAction(tr("About OpenStreetMap"), this);
+    connect(osloAction, SIGNAL(triggered()), SLOT(chooseOslo()));
+    connect(berlinAction, SIGNAL(triggered()), SLOT(chooseBerlin()));
+    connect(jakartaAction, SIGNAL(triggered()), SLOT(chooseJakarta()));
+    connect(nightModeAction, SIGNAL(triggered()), map, SLOT(toggleNightMode()));
+    connect(osmAction, SIGNAL(triggered()), SLOT(aboutOsm()));
+
+#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM)
+    menuBar()->addAction(osloAction);
+    menuBar()->addAction(berlinAction);
+    menuBar()->addAction(jakartaAction);
+    menuBar()->addAction(nightModeAction);
+    menuBar()->addAction(osmAction);
+#else
+    QMenu *menu = menuBar()->addMenu(tr("&Options"));
+    menu->addAction(osloAction);
+    menu->addAction(berlinAction);
+    menu->addAction(jakartaAction);
+    menu->addSeparator();
+    menu->addAction(nightModeAction);
+    menu->addAction(osmAction);
+#endif
+
+    QNetworkConfigurationManager manager;
+    if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) {
+        // Get saved network configuration
+        QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
+        settings.beginGroup(QLatin1String("QtNetwork"));
+        const QString id =
+            settings.value(QLatin1String("DefaultNetworkConfiguration")).toString();
+        settings.endGroup();
+
+        // If the saved network configuration is not currently discovered use the system
+        // default
+        QNetworkConfiguration config = manager.configurationFromIdentifier(id);
+        if ((config.state() & QNetworkConfiguration::Discovered) !=
+            QNetworkConfiguration::Discovered) {
+            config = manager.defaultConfiguration();
+        }
+
+        networkSession = new QNetworkSession(config, this);
+        connect(networkSession, SIGNAL(opened()), this, SLOT(sessionOpened()));
+
+        networkSession->open();
+    } else {
+        networkSession = 0;
+    }
+
+    setWindowTitle(tr("Light Maps"));
+}
+
+void MapZoom::sessionOpened()
+{
+    // Save the used configuration
+    QNetworkConfiguration config = networkSession->configuration();
+    QString id;
+    if (config.type() == QNetworkConfiguration::UserChoice) {
+        id = networkSession->sessionProperty(
+                QLatin1String("UserChoiceConfiguration")).toString();
+    } else {
+        id = config.identifier();
+    }
+
+    QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
+    settings.beginGroup(QLatin1String("QtNetwork"));
+    settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
+    settings.endGroup();
+}
+
+void MapZoom::chooseOslo()
+{
+    map->setCenter(59.9138204, 10.7387413);
+}
+
+void MapZoom::chooseBerlin()
+{
+    map->setCenter(52.52958999943302, 13.383053541183472);
+}
+
+void MapZoom::chooseJakarta()
+{
+    map->setCenter(-6.211544, 106.845172);
+}
+
+void MapZoom::aboutOsm()
+{
+    QDesktopServices::openUrl(QUrl("http://www.openstreetmap.org"));
+}
diff --git a/demos/embedded/lightmaps/mapzoom.h b/demos/embedded/lightmaps/mapzoom.h
new file mode 100644
index 0000000..0b1ea8b
--- /dev/null
+++ b/demos/embedded/lightmaps/mapzoom.h
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MAPZOOM_H
+#define MAPZOOM_H
+
+#include <QMainWindow>
+
+class QNetworkSession;
+class LightMaps;
+
+class MapZoom : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MapZoom();
+
+private slots:
+    void sessionOpened();
+    void chooseOslo();
+    void chooseBerlin();
+    void chooseJakarta();
+    void aboutOsm();
+
+private:
+    LightMaps *map;
+    QNetworkSession *networkSession;
+};
+
+#endif
\ No newline at end of file
diff --git a/demos/embedded/lightmaps/slippymap.cpp b/demos/embedded/lightmaps/slippymap.cpp
new file mode 100644
index 0000000..2c76f74
--- /dev/null
+++ b/demos/embedded/lightmaps/slippymap.cpp
@@ -0,0 +1,213 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <math.h>
+
+#include <QtGui>
+#include <QtNetwork>
+#include "slippymap.h"
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+uint qHash(const QPoint& p)
+{
+    return p.x() * 17 ^ p.y();
+}
+
+// tile size in pixels
+const int tdim = 256;
+
+QPointF tileForCoordinate(qreal lat, qreal lng, int zoom)
+{
+    qreal zn = static_cast<qreal>(1 << zoom);
+    qreal tx = (lng + 180.0) / 360.0;
+    qreal ty = (1.0 - log(tan(lat * M_PI / 180.0) +
+                          1.0 / cos(lat * M_PI / 180.0)) / M_PI) / 2.0;
+    return QPointF(tx * zn, ty * zn);
+}
+
+qreal longitudeFromTile(qreal tx, int zoom)
+{
+    qreal zn = static_cast<qreal>(1 << zoom);
+    qreal lat = tx / zn * 360.0 - 180.0;
+    return lat;
+}
+
+qreal latitudeFromTile(qreal ty, int zoom)
+{
+    qreal zn = static_cast<qreal>(1 << zoom);
+    qreal n = M_PI - 2 * M_PI * ty / zn;
+    qreal lng = 180.0 / M_PI * atan(0.5 * (exp(n) - exp(-n)));
+    return lng;
+}
+
+
+SlippyMap::SlippyMap(QObject *parent)
+    : QObject(parent), width(400), height(300), zoom(15),
+      latitude(59.9138204), longitude(10.7387413)
+{
+    m_emptyTile = QPixmap(tdim, tdim);
+    m_emptyTile.fill(Qt::lightGray);
+
+    QNetworkDiskCache *cache = new QNetworkDiskCache;
+    cache->setCacheDirectory(QDesktopServices::storageLocation
+                                (QDesktopServices::CacheLocation));
+    m_manager.setCache(cache);
+    connect(&m_manager, SIGNAL(finished(QNetworkReply*)),
+            this, SLOT(handleNetworkData(QNetworkReply*)));
+}
+
+void SlippyMap::invalidate()
+{
+    if (width <= 0 || height <= 0)
+        return;
+
+    QPointF ct = tileForCoordinate(latitude, longitude, zoom);
+    qreal tx = ct.x();
+    qreal ty = ct.y();
+
+    // top-left corner of the center tile
+    int xp = width / 2 - (tx - floor(tx)) * tdim;
+    int yp = height / 2 - (ty - floor(ty)) * tdim;
+
+    // first tile vertical and horizontal
+    int xa = (xp + tdim - 1) / tdim;
+    int ya = (yp + tdim - 1) / tdim;
+    int xs = static_cast<int>(tx) - xa;
+    int ys = static_cast<int>(ty) - ya;
+
+    // offset for top-left tile
+    m_offset = QPoint(xp - xa * tdim, yp - ya * tdim);
+
+    // last tile vertical and horizontal
+    int xe = static_cast<int>(tx) + (width - xp - 1) / tdim;
+    int ye = static_cast<int>(ty) + (height - yp - 1) / tdim;
+
+    // build a rect
+    m_tilesRect = QRect(xs, ys, xe - xs + 1, ye - ys + 1);
+
+    if (m_url.isEmpty())
+        download();
+
+    emit updated(QRect(0, 0, width, height));
+}
+
+void SlippyMap::render(QPainter *p, const QRect &rect)
+{
+    for (int x = 0; x <= m_tilesRect.width(); ++x)
+        for (int y = 0; y <= m_tilesRect.height(); ++y) {
+            QPoint tp(x + m_tilesRect.left(), y + m_tilesRect.top());
+            QRect box = tileRect(tp);
+            if (rect.intersects(box)) {
+                if (m_tilePixmaps.contains(tp))
+                    p->drawPixmap(box, m_tilePixmaps.value(tp));
+                else
+                    p->drawPixmap(box, m_emptyTile);
+            }
+        }
+}
+
+void SlippyMap::pan(const QPoint &delta)
+{
+    QPointF dx = QPointF(delta) / qreal(tdim);
+    QPointF center = tileForCoordinate(latitude, longitude, zoom) - dx;
+    latitude = latitudeFromTile(center.y(), zoom);
+    longitude = longitudeFromTile(center.x(), zoom);
+    invalidate();
+}
+
+void SlippyMap::handleNetworkData(QNetworkReply *reply)
+{
+    QImage img;
+    QPoint tp = reply->request().attribute(QNetworkRequest::User).toPoint();
+    QUrl url = reply->url();
+    if (!reply->error())
+        if (!img.load(reply, 0))
+            img = QImage();
+    reply->deleteLater();
+    m_tilePixmaps[tp] = QPixmap::fromImage(img);
+    if (img.isNull())
+        m_tilePixmaps[tp] = m_emptyTile;
+    emit updated(tileRect(tp));
+
+    // purge unused spaces
+    QRect bound = m_tilesRect.adjusted(-2, -2, 2, 2);
+    foreach(QPoint tp, m_tilePixmaps.keys())
+    if (!bound.contains(tp))
+        m_tilePixmaps.remove(tp);
+
+    download();
+}
+
+void SlippyMap::download()
+{
+    QPoint grab(0, 0);
+    for (int x = 0; x <= m_tilesRect.width(); ++x)
+        for (int y = 0; y <= m_tilesRect.height(); ++y) {
+            QPoint tp = m_tilesRect.topLeft() + QPoint(x, y);
+            if (!m_tilePixmaps.contains(tp)) {
+                grab = tp;
+                break;
+            }
+        }
+    if (grab == QPoint(0, 0)) {
+        m_url = QUrl();
+        return;
+    }
+
+    QString path = "http://tile.openstreetmap.org/%1/%2/%3.png";
+    m_url = QUrl(path.arg(zoom).arg(grab.x()).arg(grab.y()));
+    QNetworkRequest request;
+    request.setUrl(m_url);
+    request.setRawHeader("User-Agent", "Nokia (Qt) Graphics Dojo 1.0");
+    request.setAttribute(QNetworkRequest::User, QVariant(grab));
+    m_manager.get(request);
+}
+
+QRect SlippyMap::tileRect(const QPoint &tp)
+{
+    QPoint t = tp - m_tilesRect.topLeft();
+    int x = t.x() * tdim + m_offset.x();
+    int y = t.y() * tdim + m_offset.y();
+    return QRect(x, y, tdim, tdim);
+}
diff --git a/demos/embedded/lightmaps/slippymap.h b/demos/embedded/lightmaps/slippymap.h
new file mode 100644
index 0000000..ba43e40
--- /dev/null
+++ b/demos/embedded/lightmaps/slippymap.h
@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SLIPPYMAP_H
+#define SLIPPYMAP_H
+
+#include <QNetworkAccessManager>
+#include <QPixmap>
+#include <QUrl>
+
+class QNetworkReply;
+class QPainter;
+
+class SlippyMap: public QObject
+{
+    Q_OBJECT
+
+public:
+    SlippyMap(QObject *parent = 0);
+    void invalidate();
+    void render(QPainter *p, const QRect &rect);
+    void pan(const QPoint &delta);
+
+    int width;
+    int height;
+    int zoom;
+    qreal latitude;
+    qreal longitude;
+
+signals:
+    void updated(const QRect &rect);
+
+private slots:
+    void handleNetworkData(QNetworkReply *reply);
+    void download();
+
+protected:
+    QRect tileRect(const QPoint &tp);
+
+private:
+    QPoint m_offset;
+    QRect m_tilesRect;
+    QPixmap m_emptyTile;
+    QHash<QPoint, QPixmap> m_tilePixmaps;
+    QNetworkAccessManager m_manager;
+    QUrl m_url;
+};
+
+#endif
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