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# -*- coding: utf-8 -*-
# Copyright (C) 2011 ceibalJAM! - ceibaljam.org
# This file is part of Saludame.
#
# Saludame is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Saludame is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Saludame. If not, see <http://www.gnu.org/licenses/>.
import os
import gtk
import gobject
import pygame
import event
CANVAS = None
class PygameCanvas(gtk.EventBox):
"""
mainwindow is the activity intself.
"""
def __init__(self, mainwindow, pointer_hint = True):
gtk.EventBox.__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_flags(gtk.CAN_FOCUS)
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.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
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