Originally requested by arne.olafsen, here https://www.drupal.org/node/2427455#comment-10630022 →
"The title of the thread describes When table row is clicked, not hovered upon. Has anyone found functionality for this?
I agree that hover is great, but click would work better for longer lists. For instance, you hover over the 3rd row and see all the details in the popup that are relevant to what you are looking at. Then as you move your mouse up towards the map, and over the 2nd then 1st rows, the information disappears and changes the map. This is not as ideal as being able to click from a linked title for instance"
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Although this is old, I also needed this feature. As I still have a site on D7 (to be ported to Backdrop), I did a patch for this feature.
It adds a checkbox "Sync on click instead of hover" under Cross-highlighting field set in Views Display Format Settings.
The click event has much better usability than hover in case of a lot of markers/records.
I also added a smoother scrolling for the synced content.
If anyone is interested in this feature, I would appreciate any feedback.