how to add methods to this class in this case?

(Sorry for the double post, my mail client glitched—this is the full one.)

Hi there,

I am building a Qt application called Aether (www.getaether.net). 

For its Mac version, I have run into the problem of Qt not being able to  detect and raise events to Mac’s dock icon clicks. This is an essential and widely used feature on OS X that is completely ignored by Qt, and I want to provide my users this functionality.

I have found a way to do this on C++ here:
http://aksenkin.blogspot.com/2012/02/how-to-handle-click-on-app-icon-in-mac.html

I am using Python, so I need to accomplish it using PyObjC. I have written the following piece of code so far:

@objc.signature('B@:')
def applicationShouldHandleReopen_hasVisibleWindows_(self, sender):
    print('hello!')
    app.onClickOnDock()
    return True

cls = objc.lookUpClass('NSApplication')
appInstance = cls.sharedApplication # I'm doing some real crazy runtime shit there.
#print(cls, appInstance)
delegate = appInstance.definingClass.delegate
delClass = delegate.definingClass
objc.classAddMethods(cls, [applicationShouldHandleReopen_hasVisibleWindows_])

But this has no effect. No method gets triggered, nothing happens. I have little to no C++ knowledge, so I am probably missing a nuance in the translation. Can anyone point me in the right direction?

Regards,
Burak

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