setup_extra_drop_target

Sets the supported types for this drop target.

Sets up an extra drop target on tabs.

This allows to drag arbitrary content onto tabs, for example URLs in a web browser.

If a tab is hovered for a certain period of time while dragging the content, it will be automatically selected.

The [signal@TabBar:AdwTabBar:extra-drag-drop] signal can be used to handle the drop.

Parameters:

this	a tab bar
actions	the supported actions
types	all supported `GType`s that can be dropped
n_types	number of types