Changes the icon for drag operation to a given widget. GTK+ will not destroy the widget, so if you don’t want it to persist, you should connect to the “drag-end” signal and destroy it yourself.
the context for a drag. (This must be called with a context for the source side of a drag)
a widget to use as an icon
the X offset within @widget of the hotspot
the Y offset within @widget of the hotspot
See Implementation
Changes the icon for drag operation to a given widget. GTK+ will not destroy the widget, so if you don’t want it to persist, you should connect to the “drag-end” signal and destroy it yourself.