The function checks the state of the application and does something accordingly. Because any code in an event handler may potentially change the state of the application, a quick method is adding the function as the "after" handler for every event.
2014-07-23 22:26 GMT+08:00 Jasper St. Pierre <jstpie...@mecheye.net>: > Why, though? Why do you need this? > > > On Tue, Jul 22, 2014 at 9:40 PM, Gang Chen <gang.chen...@gmail.com> wrote: > >> Yes, I need an "after" handler for every event. We can think it is called >> at the bottom of all event handlers. The function should be called not only >> after my own event handlers but also the widgets' event handlers. >> >> >> 2014-07-22 22:17 GMT+08:00 Paul Davis <p...@linuxaudiosystems.com>: >> >> >>> >>> >>> On Tue, Jul 22, 2014 at 8:55 AM, Jasper St. Pierre < >>> jstpie...@mecheye.net> wrote: >>> >>>> Call the function at the bottom of all your event handlers? >>>> >>>> I'd need more detail about your specific case in order to help you >>>> further. >>>> >>> >>> I think he wants the equivalent of an "after" handler for "event". If he >>> wanted a "before" handler for "event", I believe that already works (it >>> does in GTK+2, anyway) >>> >>> >>> >> > > > -- > Jasper >
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