# cursor.py
# Copyright Boomslang team, 2010 (see COPYING File)
# Sprite Cursor

from albow.screen import Screen
from albow.resource import get_image
import pygame.mouse as mouse
from pygame.sprite import Sprite, RenderUpdates

class CursorSprite(Sprite):
    "A Sprite that follows the Cursor"

    def __init__(self, filename):
        Sprite.__init__(self)
        self.image = get_image('items', filename + '.png')
        self.rect = self.image.get_rect()

    def update(self):
        self.rect.midtop = mouse.get_pos()


class CursorSpriteScreen(Screen):
    "A Screen with a CursorSprite"

    def __init__(self, shell):
        Screen.__init__(self, shell)

        sprite = CursorSprite('hand')
        self.cursor_group = RenderUpdates(sprite)

    def draw(self, surface):
        self.cursor_group.update()
        self.cursor_group.draw(surface)

    def mouse_move(self, event):
        self.invalidate()