Penguin
Annotated edit history of ViewPort version 1, including all changes. View license author blame.
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1 DanielLawson 1 Commonly referred to as a "Desktop" by modern [WindowManager]s. Its a single instance of a collection of windows, of which there may be many on a machine. They are used quite successfully to alleviate the problem of [OverlappingWindows] (a major [HCI] headache in my opinion -- DanielLawson), by allowing users to dedicate a whole ViewPort to a single application. EG: One for web browsing, one for email, one for [XMMS], one for coding, one for FreeCiv and so on.
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3 Viewports can also be larger than your physical display, although this feature is rarely used these days. For example, you could have a 1600x1200 ViewPort on an 800x600 display, which can very easily lead to confusion for people who don't know your setup.