bool MapWidget::eventFilter(QObject *object, QEvent *ev)
{
if (ev->type() == QEvent::ToolTip) {
QHelpEvent *event = static_cast<QHelpEvent *>(ev);
QPoint mousePosition = event->pos();
//check if mouse is intercepting some marker and show country name as tooltip
for (const MapMarker &marker : markers) {
QPointF markerPosition = getMarkerScreenCoordinate(marker);
QRectF markerRect(markerPosition.x() - 2.5, markerPosition.y() - 2.5, 5, 5);
if (markerRect.contains(QPointF(mousePosition))) {
QToolTip::showText(event->globalPos(), marker.getCountryName());
return true;
}else {
QToolTip::hideText();
event->ignore();
}
}
}
return QWidget::eventFilter(object, ev);
}
