from mamba.widgets.base import Button


class OverlayButton(Button):
    """A non-visiable clickable area, that causes an overlay to be display"""

    def __init__(self, rect, image):
        self.image = image
        super(OverlayButton, self).__init__(rect)
        self.focussable = True

    def draw(self, surface):
        if self.focussed:
            surface.blit(self.image, surface.get_rect())