init python:

    def detective_dragged(drags, drop):

        if not drop:
            return

        store.detective = drags[0].drag_name
        store.city = drop.drag_name

        return True

screen send_detective_screen:

    # A map as background.
    add "europe.jpg"

    
    # A drag group ensures that the detectives and the cities can be
    # dragged to each other.
    draggroup:

        # Our detectives.
        drag:
            drag_name "Ivy"
            child "ivy.png"
            droppable False
            dragged detective_dragged
            xpos 10 ypos 10
            
        if game:
            drag:
                drag_name "Zack"
                child "zack.png"
                droppable False
                dragged detective_dragged
                xpos 10 ypos 300

        # The cities they can go to.
        drag:
            drag_name "London"
            child "london.png"
            draggable False
            xpos 450 ypos 100
            
        if game:
                drag:
                    drag_name "Paris"
                    draggable False
                    child "paris.png"
                    xpos 450 ypos 300