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# Copyright (c) 2005-2006 LOGILAB S.A. (Paris, FRANCE).
# Copyright (c) 2005-2006 CEA Grenoble
# http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the CECILL license, available at
# http://www.inria.fr/valorisation/logiciels/Licence.CeCILL-V2.pdf
#
"""pyqonsole is a python xterm, which may be used independantly or as a qt
widget
"""
__revision__ = "$Id: __init__.py,v 1.6 2006-02-15 10:24:01 alf Exp $"
def CTRL(c):
"""return the code of the given character when typed with the control
button enabled
"""
return ord(c) - ord("@")
class Signalable(object):
"""a class implementing a signal API similar to the qt's one"""
def __init__(self, *args):
super(Signalable, self).__init__(*args)
self.__connected = {}
def myconnect(self, signal, callback):
"""connect the given callback to the signal"""
self.__connected.setdefault(signal, []).append(callback)
def mydisconnect(self, signal, callback):
"""disconnect the given callback from the signal"""
self.__connected[signal].remove(callback)
def myemit(self, signal, args=()):
"""emit the given signal with the given arguments if any"""
for callback in self.__connected.get(signal, []):
try:
callback(*args)
except:
import traceback
traceback.print_exc()
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