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Diffstat (limited to 'sugargame/activity.py')
| -rw-r--r-- | sugargame/activity.py | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sugargame/activity.py b/sugargame/activity.py new file mode 100644 index 0000000..81bf481 --- /dev/null +++ b/sugargame/activity.py @@ -0,0 +1,75 @@ +import os +import gobject +import gtk + +import sugar.activity.activity +import sugar.graphics.style + +import pygame +import event + +ACTIVITY = None + +def get_activity(): + return ACTIVITY + +class PygameActivity(sugar.activity.activity.Activity): + def __init__(self, handle): + super(PygameActivity, self).__init__(handle) + + self._socket = None + self._screen = None + + # Fudge the toolbar size. + TOOLBAR_HEIGHT = 75 + TAB_HEIGHT = 45 + self.width = gtk.gdk.screen_width() + self.height = gtk.gdk.screen_height() - TOOLBAR_HEIGHT - TAB_HEIGHT + + global ACTIVITY + ACTIVITY = self + + def build_canvas( self ): + # Build the widget in which to embed Pygame. + self._socket = gtk.Socket() + + eventbox = gtk.EventBox() + eventbox.set_flags(gtk.CAN_FOCUS) + eventbox.set_size_request(self.width, self.height) + eventbox.add(self._socket) + eventbox.show_all() + + self.set_canvas(eventbox) + + # Preinitialize Pygame so we can hook its methods. + os.environ['SDL_WINDOWID'] = str(self._socket.get_id()) + pygame.init() + + # Hook certain Pygame functions with GTK equivalents. + translator = event.Translator(self, eventbox) + translator.hook_pygame() + + # Initialize the Pygame window. + self._screen = pygame.display.set_mode((self.width,self.height)) + + # Restore the default cursor. + self._socket.get_window().set_cursor(None) + + 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): + # Run the Pygame main loop. + main_fn() + return False + + def get_pygame_widget(self): + return self._socket + + def get_pygame_screen(self): + return self._screen +
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