Beispiel #1
0
void DiagramBox::messageDragged(
	BPoint point,
	uint32 transit,
	const BMessage *message)
{
	D_MOUSE(("DiagramBox::messageDragged()\n"));
	DiagramItem *last = lastItemUnder();
	if (last && (transit == B_EXITED_VIEW))
	{
		last->messageDragged(point, B_EXITED_VIEW, message);
		resetItemUnder();
	}
	else
	{
		DiagramItem *item = itemUnder(point);
		if (item)
		{
			if (item != last)
			{
				if (last)
				{
					last->messageDragged(point, B_EXITED_VIEW, message);
				}
				item->messageDragged(point, B_ENTERED_VIEW, message);
			}
			else
			{
				item->messageDragged(point, B_INSIDE_VIEW, message);
			}
			return;
		}
		else if (last)
		{
			last->messageDragged(point, B_EXITED_VIEW, message);
		}
		if (message->what == M_WIRE_DRAGGED)
		{
			view()->trackWire(point);
		}
	}
}