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comparison gamelib/cursor.py @ 84:c76f2fad2af5

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Draw CursorWidget on top of StateWidget
author Stefano Rivera <stefano@rivera.za.net>
date Mon, 23 Aug 2010 23:58:11 +0200
parents 213e47dea4d0
children da547e148532
comparison
equal deleted inserted replaced
83:4fd56ee2af61 84:c76f2fad2af5
1 # cursor.py 1 # cursor.py
2 # Copyright Boomslang team, 2010 (see COPYING File) 2 # Copyright Boomslang team, 2010 (see COPYING File)
3 # Sprite Cursor 3 # Sprite Cursor
4 4
5 from albow.screen import Screen
6 from albow.widget import Widget 5 from albow.widget import Widget
7 from albow.resource import get_image 6 from albow.resource import get_image
8 import pygame.mouse as mouse 7 import pygame.mouse as mouse
9 from pygame.sprite import Sprite, RenderUpdates 8 from pygame.sprite import Sprite, RenderUpdates
10 import pygame.cursors 9 import pygame.cursors
11 import pygame.mouse 10 import pygame.mouse
12
13 # FIXME: make this a all transparent cursor
14 BLANK_CURSOR=pygame.cursors.broken_x
15 11
16 class CursorSprite(Sprite): 12 class CursorSprite(Sprite):
17 "A Sprite that follows the Cursor" 13 "A Sprite that follows the Cursor"
18 14
19 def __init__(self, filename): 15 def __init__(self, filename):
25 self.rect.midtop = mouse.get_pos() 21 self.rect.midtop = mouse.get_pos()
26 22
27 class CursorWidget(Widget): 23 class CursorWidget(Widget):
28 """Mix-in widget to ensure that mouse_move is propogated to parents""" 24 """Mix-in widget to ensure that mouse_move is propogated to parents"""
29 25
30 def mouse_move(self, event): 26 def __init__(self, *args, **kwargs):
31 self.call_parent_handler('mouse_move', event) 27 Widget.__init__(self, *args, **kwargs)
32 28 self._cursor_group = RenderUpdates()
33 def get_cursor(self, event): 29 self._cursor_name = ''
34 return BLANK_CURSOR
35
36
37 class CursorSpriteScreen(Screen):
38 "A Screen with a CursorSprite"
39
40 def __init__(self, shell):
41 Screen.__init__(self, shell)
42
43 sprite = CursorSprite('hand')
44 self.cursor_group = RenderUpdates(sprite)
45 30
46 def draw(self, surface): 31 def draw(self, surface):
47 if self.get_cursor(None) == pygame.mouse.get_cursor(): 32 if self.rect.collidepoint(mouse.get_pos()):
48 self.cursor_group.update() 33 cursor = self.get_sprite_cursor()
49 self.cursor_group.draw(surface) 34 if cursor != self._cursor_name:
35 if self.get_sprite_cursor() is None:
36 pygame.mouse.set_visible(1)
37 self._cursor_group.empty()
38 else:
39 pygame.mouse.set_visible(0)
40 self._cursor_group.empty()
41 self._cursor_group.add(CursorSprite(cursor))
42 if cursor is not None:
43 self._cursor_group.update()
44 self._cursor_group.draw(surface)
50 45
51 def mouse_move(self, event): 46 def mouse_move(self, event):
52 self.invalidate() 47 self.invalidate()
53 48
54 def get_cursor(self, event): 49 def get_sprite_cursor(self):
55 return BLANK_CURSOR 50 return 'hand'