gtkDragSourceSet: gtkDragSourceSet
Description
Sets up a widget so that GTK+ will start a drag operation when the user
clicks and drags on the widget. The widget must have a window.Usage
gtkDragSourceSet(object, start.button.mask, targets, actions)
Arguments
start.button.mask
the bitmask of buttons that can start the drag
targets
the table of targets that the drag will support,
may be NULL
. [ allow-none ][ array length=n_targets] actions
the bitmask of possible actions for a drag from this widget