| Value | Meaning |
|---|---|
| MOTION1 | If set for a widget, GTK+, during a drag over this widget will check if the drag matches this widget’s list of possible targets and actions. GTK+ will then call gdk_drag_status() as appropriate. |
| HIGHLIGHT2 | If set for a widget, GTK+ will draw a highlight on this widget as long as a drag is over this widget and the widget drag format and action are acceptable. |
| DROP4 | If set for a widget, when a drop occurs, GTK+ will will check if the drag matches this widget’s list of possible targets and actions. If so, GTK+ will call gtk_drag_get_data() on behalf of the widget. Whether or not the drop is successful, GTK+ will call gtk_drag_finish(). If the action was a move, then if the drag was successful, then TRUE will be passed for the delete parameter to gtk_drag_finish(). |
| ALL7 | If set, specifies that all default actions should be taken. |
The GtkDestDefaults enumeration specifies the various types of action that will be taken on behalf of the user for a drag destination site.