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annotate gamelib/cursor.py @ 115:5e704ee7b84b

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Remove "in-widget" check and always draw cursor.
author Jeremy Thurgood <firxen@gmail.com>
date Tue, 24 Aug 2010 14:53:05 +0200
parents 13d8cb1d5962
children 97322b78d1c1
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1 # cursor.py
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2 # Copyright Boomslang team, 2010 (see COPYING File)
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3 # Sprite Cursor
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4
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5 from albow.widget import Widget
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6 from albow.resource import get_image
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7 import pygame.mouse as mouse
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8 from pygame.sprite import Sprite, RenderUpdates
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9 import pygame.cursors
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10 import pygame.mouse
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11
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12 class CursorSprite(Sprite):
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13 "A Sprite that follows the Cursor"
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14
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15 def __init__(self, filename):
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16 Sprite.__init__(self)
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17 self.image = get_image('items', filename + '.png')
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18 self.rect = self.image.get_rect()
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19
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20 def update(self):
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21 self.rect.midtop = mouse.get_pos()
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22
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23 class CursorWidget(Widget):
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24 """Mix-in widget to ensure that mouse_move is propogated to parents"""
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25
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26 def __init__(self, *args, **kwargs):
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27 Widget.__init__(self, *args, **kwargs)
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28 self._cursor_group = RenderUpdates()
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29 self._cursor_name = ''
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31 def draw_all(self, _surface):
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32 Widget.draw_all(self, _surface)
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33 surface = self.get_root().surface
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34 cursor = self.get_sprite_cursor()
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35 if cursor != self._cursor_name:
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36 if self.get_sprite_cursor() is None:
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37 pygame.mouse.set_visible(1)
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38 self._cursor_group.empty()
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39 else:
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40 pygame.mouse.set_visible(0)
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41 self._cursor_group.empty()
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42 self._cursor_group.add(CursorSprite(cursor))
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43 if cursor is not None:
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44 self._cursor_group.update()
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45 self._cursor_group.draw(surface)
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47 def mouse_delta(self, event):
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48 self.invalidate()
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49
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50 def get_sprite_cursor(self):
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51 return 'hand'