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comparison pyntnclick/cursor.py @ 548:ded4324b236e pyntnclick

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Moved stuff around, broke everything.
author Jeremy Thurgood <firxen@gmail.com>
date Sat, 11 Feb 2012 13:10:18 +0200
parents gamelib/cursor.py@0e8487038834
children 38fb04728ac5
comparison
equal deleted inserted replaced
547:33ce7ff757c3 548:ded4324b236e
1 # cursor.py
2 # Copyright Boomslang team, 2010 (see COPYING File)
3 # Sprite Cursor
4
5 from albow.resource import get_image
6 from albow.widget import Widget
7 from pygame.sprite import Sprite, RenderUpdates
8 from pygame.rect import Rect
9 import pygame
10 import pygame.color
11 import pygame.cursors
12 import pygame.mouse
13
14 from gamelib.constants import SCENE_SIZE
15
16
17 class CursorSprite(Sprite):
18 "A Sprite that follows the Cursor"
19
20 def __init__(self, filename, x=None, y=None):
21 Sprite.__init__(self)
22 self.filename = filename
23 self.pointer_x = x
24 self.pointer_y = y
25 self.highlighted = False
26
27 def load(self):
28 if not hasattr(self, 'plain_image'):
29 self.plain_image = get_image('items', self.filename)
30 self.image = self.plain_image
31 self.rect = self.image.get_rect()
32
33 if self.pointer_x is None:
34 self.pointer_x = self.rect.size[0] // 2
35 if self.pointer_y is None:
36 self.pointer_y = self.rect.size[1] // 2
37
38 self.highlight = pygame.Surface(self.rect.size)
39 color = pygame.color.Color(255, 100, 100, 0)
40 self.highlight.fill(color)
41
42 def update(self):
43 pos = pygame.mouse.get_pos()
44 self.rect.left = pos[0] - self.pointer_x
45 self.rect.top = pos[1] - self.pointer_y
46
47 def set_highlight(self, enable):
48 if enable != self.highlighted:
49 self.load()
50 self.highlighted = enable
51 self.image = self.plain_image.copy()
52 if enable:
53 self.image.blit(self.highlight, self.highlight.get_rect(),
54 None, pygame.BLEND_MULT)
55
56
57 HAND = CursorSprite('hand.png', 12, 0)
58
59
60 class CursorWidget(Widget):
61 """Mix-in widget to ensure that mouse_move is propogated to parents"""
62
63 cursor = HAND
64 _cursor_group = RenderUpdates()
65 _loaded_cursor = None
66
67 def __init__(self, screen, *args, **kwargs):
68 Widget.__init__(self, *args, **kwargs)
69 self.screen = screen
70
71 def enter_screen(self):
72 pygame.mouse.set_visible(0)
73
74 def leave_screen(self):
75 pygame.mouse.set_visible(1)
76
77 def draw_all(self, surface):
78 Widget.draw_all(self, surface)
79 self.draw_cursor(self.get_root().surface)
80
81 def draw_cursor(self, surface):
82 self.set_cursor(self.screen.state.tool)
83 self.cursor.set_highlight(self.cursor_highlight())
84 if self.cursor is not None:
85 self._cursor_group.update()
86 self._cursor_group.draw(surface)
87
88 def mouse_delta(self, event):
89 self.invalidate()
90
91 @classmethod
92 def set_cursor(cls, item):
93 if item is None or item.CURSOR is None:
94 cls.cursor = HAND
95 else:
96 cls.cursor = item.CURSOR
97 if cls.cursor != cls._loaded_cursor:
98 cls._loaded_cursor = cls.cursor
99 if cls.cursor is None:
100 pygame.mouse.set_visible(1)
101 cls._cursor_group.empty()
102 else:
103 pygame.mouse.set_visible(0)
104 cls.cursor.load()
105 cls._cursor_group.empty()
106 cls._cursor_group.add(cls.cursor)
107
108 def cursor_highlight(self):
109 if not Rect((0, 0), SCENE_SIZE).collidepoint(pygame.mouse.get_pos()):
110 return False
111 if self.screen.state.highlight_override:
112 return True
113 current_thing = self.screen.state.current_thing
114 if current_thing:
115 return current_thing.is_interactive()
116 return False