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Learn Red ? Fundamentals of Red
book

Learn Red ? Fundamentals of Red

by Ivo Balbaert
May 2018
Beginner content levelBeginner
252 pages
6h 19m
English
Packt Publishing
Content preview from Learn Red ? Fundamentals of Red

Building a layout

The UI code starts from line (4)view [ ... ]. The view is a function that expects a window description as an argument. Note that this window description is just a code block using VID words. You could give it a name such as win, build this block with append or other code, and when you're ready, do view win. The view [] displays a minimal GUI window:

win: []; build up win with statements like append win [title "Currency rates"]view win

This allows for dynamically building screens based upon user input or events. There is also a built-in layout word in VID. Give your layout a name, and define it inside the block that follows, like this:

lay1: layout [a: area cyan 200x200]

layout builds a tree of face! objects from the ...

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Publisher Resources

ISBN: 9781789130706Supplemental Content