? Sys3 Heirarchy:Texts, Display, Viewers, Objects 
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 ? Sys3 Heirarchy:Texts, Display, Viewers, Objects

Hi All,

I'm trying to do:
FOR <all viewers in user-track>

How do I access the "all viewers in user-track" ?
Are they on a linked-list ?
Rooted where ?
Better still: what is the heirarchy/object-structure of the 'display screen' ?

From Chapter5.Text , I've extracted/diagramed ( the little understood ):

The Object type hierarchy

       Display.Frame                     <-- visual objects
               Visual Gadgets
       Gadgets.Object                   <--  non-visual objects
          Model Gadgets

                       ====structure of the display space====
Display Root
       User Track
                  Menu Frame
       System Track
                  Menu Frame

 How does the distinction of 'different viewer types' (* ie. opened with
Edit.Open or ( Desktops.Open & Script.Open )  *), fit the above scheme ?

Any pointers much appreciated. Thanks.         Chris Glur.

Wed, 31 Oct 2001 03:00:00 GMT  
 [ 1 post ] 

 Relevant Pages 

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2. Top of the class/object heirarchy

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7. Text File Viewer-Editor for S87

8. auto-scrolling in text viewers

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