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FormsViewsAndWindows
Last updated at 3:11 pm UTC on 14 January 2006
What is the difference between views, viewports, forms, canvases, and windows?
Would you use a view, a viewport, a form, a canvas, or a window, if you simply wanted to draw a shape in a window (separate from the Workspace) using a Pen?

Definition of the graphical elements

Morphic Architecture

Morphic is a newer display architecture which will replace the older MVC architecture in Squeak.

FormsViewsAndWindows
Part of the new Morphic display architecture; Forms, Views, and Windows is used as the background on which to draw Morphs.

MVC Architecture

The other terms belong to the "Model, View, Control" architecture

Form
Basic display medium in MVC.

View
Structured picture that can contain other views.

Viewport
Not a basic object; it is the rectangle of a subview in the superview's coordinate system.

Window
Not a basic object; it is the rectangle of a view in its coordinate system.



How to use the MVC elements (an example)