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- Date: Thu, 30 Jun 94 02:58 BST-1
- From: Ofir Gal <ogal@cix.compulink.co.uk>
- Subject: Re: text marks & sliders
- To: gem-list@world.std.com
- Message-Id: <memo.520908@cix.compulink.co.uk>
- Precedence: bulk
-
-
-
- In message <9406292259.AA22172@uqcspe.cs.uq.oz.au>, warwick@cs.uq.oz.au said:
- >
- >The technique of maintaining 2 bounding rectangles is feasible, but not
- >a trivial programming task. It could provide other benefits though,
- >such as point-to-type, etc. but all these things are major changes to
- >the GEM std interface. GEM just isn't designed to generate large
- >numbers of mouse-in-area events. If Atari had provided a high-powered
- >GEM library at the start, all this could have been implemented. I
- >wonder even if DRI originally planned this, and that was the reason for
- >providing the 2 rectangle areas (using 2, any number can be efficiently
- >tracked... by extra library code).
-
- I use the 2 rect method in my popup and window menu library. The logic
- took a while to work out, but I could easily implement the changing mouse
- idea using a similar system. It's all in BASIC BTW.
-
- Bye,
-
- Ofir ogal@cix.compulink.co.uk
-
-