Mercurial > boomslang

annotate gamelib/cursor.py @ 129:4223d66d88b4

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Cursor change when you select a Tool
author Stefano Rivera <stefano@rivera.za.net>
date Tue, 24 Aug 2010 18:36:31 +0200
parents 97322b78d1c1
children b43599b7f8a2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
66
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
1 # cursor.py
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
2 # Copyright Boomslang team, 2010 (see COPYING File)
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
3 # Sprite Cursor
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
4
70
213e47dea4d0 Funkier cursor handling
Neil Muller <neil@dip.sun.ac.za>
parents: 66
diff changeset
5 from albow.widget import Widget
66
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
6 from albow.resource import get_image
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
7 import pygame.mouse as mouse
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
8 from pygame.sprite import Sprite, RenderUpdates
70
213e47dea4d0 Funkier cursor handling
Neil Muller <neil@dip.sun.ac.za>
parents: 66
diff changeset
9 import pygame.cursors
213e47dea4d0 Funkier cursor handling
Neil Muller <neil@dip.sun.ac.za>
parents: 66
diff changeset
10 import pygame.mouse
213e47dea4d0 Funkier cursor handling
Neil Muller <neil@dip.sun.ac.za>
parents: 66
diff changeset
11
129
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
12 HAND = ('hand.png', 12, 0)
124
97322b78d1c1 Minor style cleanups
Neil Muller <neil@dip.sun.ac.za>
parents: 115
diff changeset
13
66
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
14 class CursorSprite(Sprite):
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
15 "A Sprite that follows the Cursor"
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
16
129
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
17 def __init__(self, filename, x, y):
66
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
18 Sprite.__init__(self)
129
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
19 self.image = get_image('items', filename)
66
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
20 self.rect = self.image.get_rect()
129
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
21 self.pointer_x = x
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
22 self.pointer_y = y
66
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
23
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
24 def update(self):
129
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
25 pos = mouse.get_pos()
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
26 self.rect.left = pos[0] - self.pointer_x
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
27 self.rect.top = pos[1] - self.pointer_y
66
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
28
124
97322b78d1c1 Minor style cleanups
Neil Muller <neil@dip.sun.ac.za>
parents: 115
diff changeset
29
70
213e47dea4d0 Funkier cursor handling
Neil Muller <neil@dip.sun.ac.za>
parents: 66
diff changeset
30 class CursorWidget(Widget):
213e47dea4d0 Funkier cursor handling
Neil Muller <neil@dip.sun.ac.za>
parents: 66
diff changeset
31 """Mix-in widget to ensure that mouse_move is propogated to parents"""
213e47dea4d0 Funkier cursor handling
Neil Muller <neil@dip.sun.ac.za>
parents: 66
diff changeset
32
129
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
33 cursor = HAND
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
34
84
c76f2fad2af5 Draw CursorWidget on top of StateWidget
Stefano Rivera <stefano@rivera.za.net>
parents: 70
diff changeset
35 def __init__(self, *args, **kwargs):
c76f2fad2af5 Draw CursorWidget on top of StateWidget
Stefano Rivera <stefano@rivera.za.net>
parents: 70
diff changeset
36 Widget.__init__(self, *args, **kwargs)
c76f2fad2af5 Draw CursorWidget on top of StateWidget
Stefano Rivera <stefano@rivera.za.net>
parents: 70
diff changeset
37 self._cursor_group = RenderUpdates()
129
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
38 self._loaded_cursor = None
66
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
39
114
13d8cb1d5962 Better cursor handling using draw_all() and mouse_delta().
Jeremy Thurgood <firxen@gmail.com>
parents: 108
diff changeset
40 def draw_all(self, _surface):
13d8cb1d5962 Better cursor handling using draw_all() and mouse_delta().
Jeremy Thurgood <firxen@gmail.com>
parents: 108
diff changeset
41 Widget.draw_all(self, _surface)
106
da547e148532 Some (slightly) better cursor handling.
Jeremy Thurgood <firxen@gmail.com>
parents: 84
diff changeset
42 surface = self.get_root().surface
129
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
43 if self.cursor != self._loaded_cursor:
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
44 if self.cursor is None:
115
5e704ee7b84b Remove "in-widget" check and always draw cursor.
Jeremy Thurgood <firxen@gmail.com>
parents: 114
diff changeset
45 pygame.mouse.set_visible(1)
5e704ee7b84b Remove "in-widget" check and always draw cursor.
Jeremy Thurgood <firxen@gmail.com>
parents: 114
diff changeset
46 self._cursor_group.empty()
5e704ee7b84b Remove "in-widget" check and always draw cursor.
Jeremy Thurgood <firxen@gmail.com>
parents: 114
diff changeset
47 else:
5e704ee7b84b Remove "in-widget" check and always draw cursor.
Jeremy Thurgood <firxen@gmail.com>
parents: 114
diff changeset
48 pygame.mouse.set_visible(0)
5e704ee7b84b Remove "in-widget" check and always draw cursor.
Jeremy Thurgood <firxen@gmail.com>
parents: 114
diff changeset
49 self._cursor_group.empty()
129
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
50 self._cursor_group.add(CursorSprite(*self.cursor))
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
51 if self.cursor is not None:
115
5e704ee7b84b Remove "in-widget" check and always draw cursor.
Jeremy Thurgood <firxen@gmail.com>
parents: 114
diff changeset
52 self._cursor_group.update()
5e704ee7b84b Remove "in-widget" check and always draw cursor.
Jeremy Thurgood <firxen@gmail.com>
parents: 114
diff changeset
53 self._cursor_group.draw(surface)
66
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
54
114
13d8cb1d5962 Better cursor handling using draw_all() and mouse_delta().
Jeremy Thurgood <firxen@gmail.com>
parents: 108
diff changeset
55 def mouse_delta(self, event):
66
05346a412b55 A sprite cursor attempt
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
56 self.invalidate()
70
213e47dea4d0 Funkier cursor handling
Neil Muller <neil@dip.sun.ac.za>
parents: 66
diff changeset
57
129
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
58 def set_cursor(self, cursor):
4223d66d88b4 Cursor change when you select a Tool
Stefano Rivera <stefano@rivera.za.net>
parents: 124
diff changeset
59 CursorWidget.cursor = cursor