Apple Newton Utilities User's Guide download pdf (Page 142)

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CHAPTER 4

NewtApp Applications

4-4 About the NewtApp Framework

Note

This drawing does not depict the protos as they would appear in a

Newton Toolkit layout window.

◆

The basic NewtApp protos are deﬁned here in very general terms. Note that unlike

Figure 4-1, this list includes the proto for storing data, which does not have a visual

representation in a layout ﬁle.

■ The newtApplication proto is the application’s base view. As in

nonframework applications, the base view proto either contains or has

references to all the other application parts.

■ The newtSoup proto is used to create and manage the data storage soup for

your application; it is not displayed.

■ The newtLayout protos govern the overall look of your data.

■ The newtEntryView protos is the view associated with current soup entry and

is contained in the default layout view. A

newtEntryView proto does not

display on the screen, but instead manages operations on a soup.

■ The slot views are a category of protos used to edit and/or display data from the

slots in your application’s soup entry frames.

About newtApplication 4

The newtApplication proto serves as the base view for your application; it

contains all other application protos. The

allSoups slot of this proto is where you

set up the application soup (based on the

newtSoup proto).

The functionality deﬁned in this proto layer manages application-wide functions,

events, and globals. For example, the functionality for opening and registering

soups, dispatching events, and maintaining state information and application

globals is implemented in this proto layer.

Also managed by this proto layer are the application-wide user interface elements.

Application-wide Controls 4

Several control protos affect the entire application. Because of this, the protos are

generally placed in the

newtApplication base view layer. The buttons include

the standard Information and Action buttons, as well as the New and Show

stationery buttons. Stationery buttons, which you can use to tie viewDefs and

dataDefs into your application, are deﬁned in Chapter 5, “Stationery.” The

NewtApp controls that should be in the

newtApplication base view include the

standard status bar, the folder tab, and the A-Z alphabet tabs.

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