Apple Newton Programmer’s Newton 2.0 (for Newton 2.0) - Manual (Page 301)

C H A P T E R 8
Text and Ink Input and Display
Using Text 8-9
Defining a Line Pattern 8
You can define a custom line pattern for drawing the horizontal lines in a paragraph
view. A line pattern is an eight-byte binary data structure with the class
'pattern .
To create a binary pattern data structure on the fly, use the following
NewtonScript trick:
myPattern := SetClass( Clone("\uAAAAAAAAAAAAAAAA"),
'pattern );
This code clones a string, which is already a binary object, and changes its class to
'pattern . The string is specified with hex character codes whose binary represen-
tation creates the pattern. Each two-digit hex code creates one byte of the pattern.
Including Editable Child Views in an Input View 8
For a child view of a clEditView to be editable, you need to follow certain rules:
■ The child view must reside in the viewChildren slot of the clEditView .
You cannot store a child view’s template in the stepChildren slot, as NTK
normally does.
■ The child view must contain a viewStationery slot with an appropriate
value, depending on the view class and data type. The acceptable values are
shown in Table 8-2:
■ Add the child view templates to the viewChildren array of the edit view and
open the view or send it the RedoChildren message. Alternatively, you can
add the child view with the AddView method and then send the Dirty message
to the edit view.
Table 8-2 viewStationery slot value for clEditView children
View class View data type
Value of
viewStationery slot
clParagraphView text 'para
clPolygonView recognized
graphics 'poly
clPolygonView ink 'ink
clPictureView bitmap or
picture object 'pict