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Advanced Events in wxPython

Abstract

• Since most GUI-applications are meant to merely "react" to user's action, event-programming is a good strategy to write GUI-applications. In this article, we shall describe the way events are processed in wxPython 2.6, and present the complete hierarchy of events used in wxPython.

Introduction

• Event Handling is a complex enough matter in wxPython to be treated as a separate subject. We shall, here, try to present it as exhaustively as possible. Someday?

Hierarchy of Events

In wxPython, Events' base classes are wxEvent. Try the following code to assure yourself of it:

>>> import wx
>>> issubclass(wxCloseEvent,wxEvent)
True

And:

>>> issubclass(wxCloseEvent,wxEventPtr)
False

Event processing

Use Bind() to bind wxObjects to wxEvents. Generally, self.Bind(wx.SOME_EVENT, callbackFn, self.boundObject). I dunno, that's a pretty crap example but hey it's something... As I dig around in this more I'll post more, but I'm just a n00b. --TomPlunket

Resources

Event handling overview in the wxWindows Documentation http://www.wxwidgets.org/manuals/2.5.3/wx_eventhandlingoverview.html

In the wxPython XXX

AdvancedEvents (last edited 2008-03-11 10:50:25 by localhost)