Cocoa® Programming for Mac® OS X, Fourth Edition

Chapter 5. Target/Action

Once upon a time, there was a company called Taligent. Taligent was created by IBM and Apple to develop a set of tools and libraries like Cocoa. About the time Taligent reached the peak of its mindshare, Aaron met one of its engineers at a trade show and asked him to create a simple application: A window would appear with a button, and when the button was clicked, the words “Hello, World!” would appear in a text field. The engineer created a project and started subclassing madly, subclassing the window and the button and the event handler. Then he started generating code: dozens of lines to get the button and the text field onto the window. After 45 minutes, Aaron had to leave. The app still did not work. That day, Aaron ...