cannot select widget type for field form with panels

Hi,
I am using geofield together with panels.
I am trying to set up a custom "edit/ add node" page for a node type with a geofield.
In panels I can add different field forms, to edit the content of my node, so for geofield, but I cannot select the widget type (I want openlayers). Instead I only get a lat/long field for data entry.

If I am adding the normal field "geofield" there is an additional drop down list to select a formater. But here - of cause - I cannot manipulate my data.

Is there a way to add this drop down list also for the field form?

Regards
Thomas