Chapter 20Modes

images/idea.jpg

In 1985, when writing Apple’s Mac developer documentation called Inside Macintosh [Ros86], author Caroline Rose deemed modes to be important enough to mention them at the very start of the very first volume. She writes that “a mode is a part of an application that the user has to formally enter and leave, and that restricts the operations that can be performed while the mode is in effect.”

Basically, a mode is a state that an application or an individual window is in that changes how the application or window reacts to user input. Modes can be a source of usability problems. Rose writes that “since people don’t usually operate ...

Get Designed for Use now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.