1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
import os
from gi.repository import Gtk
from gi.repository import GObject
import pygame
import event
CANVAS = None
class PygameCanvas(Gtk.EventBox):
"""
mainwindow is the activity intself.
"""
def __init__(self, mainwindow, pointer_hint = True):
GObject.GObject.__init__(self)
global CANVAS
assert CANVAS == None, "Only one PygameCanvas can be created, ever."
CANVAS = self
# Initialize Events translator before widget gets "realized".
self.translator = event.Translator(mainwindow, self)
self._mainwindow = mainwindow
self.set_can_focus(True)
self._socket = Gtk.Socket()
self.add(self._socket)
self.show_all()
def run_pygame(self, main_fn):
# Run the main loop after a short delay. The reason for the delay is that the
# Sugar activity is not properly created until after its constructor returns.
# If the Pygame main loop is called from the activity constructor, the
# constructor never returns and the activity freezes.
GObject.idle_add(self._run_pygame_cb, main_fn)
def _run_pygame_cb(self, main_fn):
assert pygame.display.get_surface() is None, "PygameCanvas.run_pygame can only be called once."
# Preinitialize Pygame with the X window ID.
assert pygame.display.get_init() == False, "Pygame must not be initialized before calling PygameCanvas.run_pygame."
os.environ['SDL_WINDOWID'] = str(self._socket.get_id())
pygame.init()
# Restore the default cursor.
self._socket.props.window.set_cursor(None)
# Initialize the Pygame window.
r = self.get_allocation()
pygame.display.set_mode((r.width, r.height), pygame.RESIZABLE)
# Hook certain Pygame functions with GTK equivalents.
self.translator.hook_pygame()
# Run the Pygame main loop.
main_fn()
return False
def get_pygame_widget(self):
return self._socket
|