tool.item
has a drag window. When TRUE
the
toolitem can be used as a drag source through gtkDragSourceSet
.
When tool.item
has a drag window it will intercept all events,
even those that would otherwise be sent to a child of tool.item
.gtkToolItemSetUseDragWindow(object, use.drag.window)
object
use.drag.window
tool.item
has a drag window.