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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.screen import Screen
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6 from albow.widget import Widget
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7 from albow.resource import get_image
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8 import pygame.mouse as mouse
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9 from pygame.sprite import Sprite, RenderUpdates
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10 import pygame.cursors
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11 import pygame.mouse
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12
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13 # FIXME: make this a all transparent cursor
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14 BLANK_CURSOR=pygame.cursors.broken_x
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15
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16 class CursorSprite(Sprite):
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17 "A Sprite that follows the Cursor"
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18
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19 def __init__(self, filename):
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20 Sprite.__init__(self)
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21 self.image = get_image('items', filename + '.png')
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22 self.rect = self.image.get_rect()
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23
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24 def update(self):
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25 self.rect.midtop = mouse.get_pos()
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26
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27 class CursorWidget(Widget):
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28 """Mix-in widget to ensure that mouse_move is propogated to parents"""
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29
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30 def mouse_move(self, event):
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31 self.call_parent_handler('mouse_move', event)
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32
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33 def get_cursor(self, event):
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34 return BLANK_CURSOR
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35
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36
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37 class CursorSpriteScreen(Screen):
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38 "A Screen with a CursorSprite"
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39
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40 def __init__(self, shell):
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41 Screen.__init__(self, shell)
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42
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43 sprite = CursorSprite('hand')
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44 self.cursor_group = RenderUpdates(sprite)
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45
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46 def draw(self, surface):
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47 if self.get_cursor(None) == pygame.mouse.get_cursor():
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48 self.cursor_group.update()
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49 self.cursor_group.draw(surface)
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50
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51 def mouse_move(self, event):
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52 self.invalidate()
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53
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54 def get_cursor(self, event):
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55 return BLANK_CURSOR
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