Created
November 27, 2015 09:37
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from PyQt4.Qt import * | |
def teeSignal(*sig_args, **kwargs): | |
if "name" not in kwargs: | |
raise ValueError("Signal name required for old style emit compatibility") | |
class X(QObject): | |
signal = pyqtSignal(*sig_args, **kwargs) | |
x = X() | |
sig_name = kwargs["name"] | |
has_args = len(sig_args) > 0 | |
class Signal(QObject): | |
def __getattribute__(self, name): | |
signal = x.signal | |
parent = super(Signal, self).parent() | |
if name == "emit": | |
def emit(*args): | |
if has_args: | |
signal.emit(*args) | |
parent.emit(SIGNAL(sig_name), *args) | |
else: | |
signal.emit() | |
parent.emit(SIGNAL(sig_name)) | |
return emit | |
return getattr(signal, name) | |
return Signal | |
class TestWidget(QPushButton): | |
fired = property(teeSignal(name="fired")) | |
def __init__(self): | |
super(TestWidget, self).__init__("Click me!") | |
self.clicked.connect(self.fire) | |
self.fired.connect(self.fired_("new")) | |
self.fired.connect(self.fired_("new")) | |
QObject.connect(self, SIGNAL("fired"), self.fired_("old")) | |
QObject.connect(self, SIGNAL("fired"), self.fired_("old")) | |
def fire(self, arg): | |
self.fired.emit() | |
def fired_(self, ver): | |
def f(): | |
print("fired", ver) | |
return f |
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