topic Re: mapGraphicsView mouseMove event only works on click and drag instead of just hover?? in Qt Maps SDK Questions

mapGraphicsView mouseMove event only works on click and drag instead of just hover??

SWE — Fri, 17 May 2024 09:49:42 GMT

I am looking for a workaround to display coordinates in a label on my widget whenever mouse hovers on "mapGraphicsView" but it only works when i click and drag it besides it doesn't work, is there any way to do it by just hovering over the map and get coordinates as i am using geometry editor to draw a ployline and i need coordinates to always display when i draw a point on map.

m_mapView->setMouseTracking(true);

connect(m_mapView, &MapGraphicsView::mouseMoved, this, [](QMouseEvent &mouseEvent)
{
qDebug() << mouseEvent.pos().x() << mouseEvent.pos().y();
});

or any overriden event like this
void mouseMoveEvent(QMouseEvent *event);

Re: mapGraphicsView mouseMove event only works on click and drag instead of just hover??

Tanner_Yould — Fri, 17 May 2024 16:51:34 GMT

Hi SWE, thanks for reaching out.

It looks like there may be a regression in the `MouseTracking` property of the QWidget class between Qt 5 and Qt 6 that we're going to look into.

In the meantime, as of ArcGIS Maps SDK for Qt version 200.2, we have a MapGraphicsView::hoverMoved method that should be what you're looking for.

connect(m_mapView, &MapGraphicsView::mouseMoved, this, [](QMouseEvent &mouseEvent) { qDebug() << "button pressed:" << mouseEvent.position().x() << mouseEvent.position().y(); }); // This is required for the hoverMoved signal to emit m_mapView->setMouseTracking(true); connect(m_mapView, &MapGraphicsView::hoverMoved, this, [this](QHoverEvent &hoverEvent) { qDebug() << "hovering:" << hoverEvent.position().x() << hoverEvent.position().y(); // convert screen location to map const auto p = m_mapView->screenToLocation(hoverEvent.position().x(), hoverEvent.position().y()); qDebug() << "map coordinates:" << p.x() << p.y(); });

Let me know if this works, and thanks again for bringing this to our attention!

Re: mapGraphicsView mouseMove event only works on click and drag instead of just hover??

SWE — Mon, 20 May 2024 05:19:01 GMT

Hey tanner,
That works and thanks for answering my query and i hope "mouseMove" function to be working on its intended purpose