void BackendGoogleMaps::releaseWidget(KGeoMapInternalWidgetInfo* const info)
{
// clear all tracks
d->htmlWidget->runScript(QString::fromLatin1("kgeomapClearTracks();"));
disconnect(d->htmlWidget, SIGNAL(signalJavaScriptReady()),
this, SLOT(slotHTMLInitialized()));
disconnect(d->htmlWidget, SIGNAL(signalHTMLEvents(QStringList)),
this, SLOT(slotHTMLEvents(QStringList)));
disconnect(d->htmlWidget, SIGNAL(selectionHasBeenMade(KGeoMap::GeoCoordinates::Pair)),
this, SLOT(slotSelectionHasBeenMade(KGeoMap::GeoCoordinates::Pair)));
d->htmlWidget->setSharedKGeoMapObject(0);
d->htmlWidgetWrapper->removeEventFilter(this);
d->htmlWidget = 0;
d->htmlWidgetWrapper = 0;
info->currentOwner = 0;
info->state = KGeoMapInternalWidgetInfo::InternalWidgetReleased;
d->isReady = false;
emit(signalBackendReadyChanged(backendName()));
}
QWidget* BackendGoogleMaps::mapWidget()
{
if (!d->htmlWidgetWrapper)
{
KGeoMapGlobalObject* const go = KGeoMapGlobalObject::instance();
KGeoMapInternalWidgetInfo info;
bool foundReusableWidget = go->getInternalWidgetFromPool(this, &info);
if (foundReusableWidget)
{
d->htmlWidgetWrapper = info.widget;
const GMInternalWidgetInfo intInfo = info.backendData.value<GMInternalWidgetInfo>();
d->htmlWidget = intInfo.htmlWidget;
}
else
{
// the widget has not been created yet, create it now:
d->htmlWidgetWrapper = new QWidget();
d->htmlWidgetWrapper->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
d->htmlWidget = new HTMLWidget(d->htmlWidgetWrapper);
d->htmlWidgetWrapper->resize(400,400);
}
connect(d->htmlWidget, SIGNAL(signalJavaScriptReady()),
this, SLOT(slotHTMLInitialized()));
connect(d->htmlWidget, SIGNAL(signalHTMLEvents(QStringList)),
this, SLOT(slotHTMLEvents(QStringList)));
connect(d->htmlWidget, SIGNAL(selectionHasBeenMade(KGeoMap::GeoCoordinates::Pair)),
this, SLOT(slotSelectionHasBeenMade(KGeoMap::GeoCoordinates::Pair)));
d->htmlWidget->setSharedKGeoMapObject(s.data());
d->htmlWidgetWrapper->installEventFilter(this);
if (foundReusableWidget)
{
slotHTMLInitialized();
}
else
{
const KUrl htmlUrl = KGeoMapGlobalObject::instance()->locateDataFile(QLatin1String("backend-googlemaps.html"));
d->htmlWidget->openUrl(htmlUrl);
}
}
return d->htmlWidgetWrapper.data();
}
void HTMLWidget::mouseReleaseEvent(QMouseEvent* e)
{
if (s->currentMouseMode == MouseModeRegionSelection)
{
if (!d->firstSelectionPoint.hasCoordinates())
{
runScript2Coordinates(QString::fromLatin1("kgeomapPixelToLatLng(%1, %2);")
.arg(e->x())
.arg(e->y()),
&d->firstSelectionPoint);
d->firstSelectionScreenPoint = QPoint(e->x(), e->y());
}
else
{
runScript2Coordinates(QString::fromLatin1("kgeomapPixelToLatLng(%1, %2);")
.arg(e->x())
.arg(e->y()),
&d->intermediateSelectionPoint);
d->intermediateSelectionScreenPoint = QPoint(e->x(), e->y());
qreal lonWest, latNorth, lonEast, latSouth;
if (d->firstSelectionScreenPoint.x() < d->intermediateSelectionScreenPoint.x())
{
lonWest = d->firstSelectionPoint.lon();
lonEast = d->intermediateSelectionPoint.lon();
}
else
{
lonEast = d->firstSelectionPoint.lon();
lonWest = d->intermediateSelectionPoint.lon();
}
if (d->firstSelectionScreenPoint.y() < d->intermediateSelectionScreenPoint.y())
{
latNorth = d->firstSelectionPoint.lat();
latSouth = d->intermediateSelectionPoint.lat();
}
else
{
latNorth = d->intermediateSelectionPoint.lat();
latSouth = d->firstSelectionPoint.lat();
}
runScript(QLatin1String("kgeomapRemoveTemporarySelectionRectangle();"));
runScript(QString::fromLatin1("kgeomapSetSelectionRectangle(%1, %2, %3, %4);")
.arg(lonWest)
.arg(latNorth)
.arg(lonEast)
.arg(latSouth));
const GeoCoordinates::Pair selectionCoordinates(
GeoCoordinates(latNorth, lonWest),
GeoCoordinates(latSouth, lonEast)
);
d->firstSelectionPoint.clear();
d->intermediateSelectionPoint.clear();
emit(selectionHasBeenMade(selectionCoordinates));
}
}
slotScanForJSMessages(QString::fromLatin1("(event)"));
QWebView::mouseReleaseEvent(e);
}
