By Cameron Gordon, Vaughan F. R. Jones, Louis Kauffman, Sofia Lambropoulou, Jozef H. Przytycki
Court cases of the overseas convention on Knot concept and Its Ramifications held on the ecu Cultural middle of Delphi, August 7-15, 2000. The convention supplied a discussion board for trade among specialists at the many alternative features of knot idea.
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Extra resources for Knots in Hellas '98: Proceedings Delphi, 1998
Cocoa UI objects have an incredible variety of attributes. Some of them, like Title, you’ll find easy to understand. Others you’ll learn as you work through this book. For the remainder, try looking at tooltips. 11, Solving Problems, on page 19. Try This Yourself 1. Change the text view to make it uneditable. You might change the background color, too, as a signal that it can’t be edited. 2. Change the label’s attributes to make it look like a text field. What happens if you type in it and then press Return ?
That title could be set in awakeFromNib, but it’s more convenient to do it in Interface Builder. In IB, select the main window, and then go to the inspector’s Attributes (first) tab. 1. IB synchronizes whenever you switch to it. 8. If you instead got “undefined method ‘title=’ for nil:NilClass,” it’s most likely you forgot to connect the logWindow outlet in Interface Builder. 7. 0 printing, July 2009) 58 A TTRIBUTES You should see something much like this: Change the Title attribute to say “- No App -” (or whatever title you prefer).
With apologies to Augustus De Morgan and Jonathan Swift. 0 printing, July 2009) 42 T HE B ASICS Once you’ve put IB’s doc window in list mode, you can see the view structure of your window by expanding the NSWindow: • The content view covers the entire space of the window. It contains all the other views. • The label and text field cover part of the content view. Notice that they are both NSTextField objects—their different appearance is entirely because of how they’re initialized. ) • What seems like a simple text view is actually its own hierarchy of objects.