On Sun, Nov 22, 2009 at 10:28:59PM +0100, Boris 'billiob' Faure wrote: > I've committed some changes to how callbacks are handled in python elementary. > If you use it, your application is now broken, I'm sorry. However, > it's better now than letter :) > > So, what have changed? > You used to bind a callback to the "clicked" of a button this way: > bt.clicked = my_func > or > bt.clicked = (my_func, my_data) > > The signature of the callback was always: my_func(obj, event, data) > even if you had not set any data! > What if you wanted to perform 2 actions? How could you remove the callback? > > Now, in order to connect a function to an event, let say 'clicked', you use: > bt.callback_clicked_add(func, *args, **kwargs) > > The required signature is my_func(obj, *args, **kwargs) or > my_func(obj, it, *args, **kwargs) if an item is given, for example > when an item in a toolbar is clicked. > > If you want to disconnect this function to the event, you call: > bt.callback_clicked_remove(func, *args, **kwargs) > if func is None, all the events bound to 'clicked' are removed. > args and kwargs must be the same as those given when the callback was set. > > Now, this is possible: > def destroy(win, str1, str2, str3, str4): > print :str1='%s', str2='%s', str3='%s', str4='%s'" %( > str1, str2, str3, str4) > > win.callback_destroy_add(destroy, "test1", "test2", str3="test3", > str4="test4") > > > > To sum up: > when you used: > obj.EVENT = XXX > now you should use: > obj.callback_EVENT_add(XXX) > > > I've updated the testing file. I hope to have patched correctly editje. > -- > Boris 'billiob' Faure >
Great work. I even thought about implementing this but at the moment I don't have much time to do any python-elementary related work. Maybe things will change in the new year. Keep up!
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