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Cocoa Programming for Mac OS X, Third Edition
book

Cocoa Programming for Mac OS X, Third Edition

by Aaron Hillegass
May 2008
Intermediate to advanced content levelIntermediate to advanced
464 pages
8h 13m
English
Addison-Wesley Professional
Content preview from Cocoa Programming for Mac OS X, Third Edition

Chapter 19. Keyboard Events

When the user types, where are the corresponding events sent? First, the window manager gets the event and forwards it to the active application. The active application forwards the keyboard events to the key window. The key window forwards the event to the “active” view. Which view, then, is the active one? Each window has an outlet, called firstResponder, that points to one view of that window. That view is the “active” one for that window. For example, when you click on a text field, it becomes the firstResponder of that window (Figure 19.1).

The First Responder of the Key Window Is “Active”

Figure 19.1. The First Responder of the Key Window Is “Active”

When the user ...

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Publisher Resources

ISBN: 9780321562739Purchase book