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- From: "Stefan Stuntz" <stuntz@informatik.tu-muenchen.de>
- Subject: Re: MUI 2.0 bug!
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- Date: Thu, 17 Mar 1994 23:05:26 GMT
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- Xref: dd.chalmers.se comp.sys.amiga.applications:4392 comp.sys.amiga.programmer:7607
-
- Christoph Feck wrote:
-
- CF> Wrong. MUI uses only rootclass which actually is in no way
- CF> related to Intuition (the fact that BOOPSI functions are in
- CF> intuition.library doesn't mean that rootclass is based on
- CF> Intuition functions.
-
- Correct. I would have loved to do all my works based on gadgetclass,
- but it turned out that this class is just too silly for auto-layout
- GUIs. The most important thing for such a GUI is that all their
- contents to know about their min/max/default sizes before a
- parent window is actually opened. This implies some kind
- of setup method with environment information (fonts, etc.).
- Neither gadgetclass nor any other classes distributed by
- Commodore are capable of doing such things (not in V37, not
- in V38, not in V39, not in V40, maybe never?), it seems noone
- there ever thaught about auto-layout. These types of boopsi
- gadgets are completely useless for creating automatic,
- font-sensitive user interfaces.
-
- But since there are some really nice boopsi gadgets flowing
- around (colorwheel, gradient slider, etc.), I wrote
- a boopsi interface class for MUI, which allows every subclass
- of gadgetclass to be used as MUI object in a MUI window.
- Due to the missing features of gadgetclass, there are
- some drawbacks (e.g. the programmer needs to specify min/max
- sizes when creating the object), but it works.
-
- CF> MUIs area class is NOT based on gadgetclass. Of course,
- CF> this has both downsides and upsides. I think starting with
- CF> OS 3.0 it makes more sense to base such a system on
- CF> gadgetclass (hint hint ;)
-
- Sorry, I can't see any automatic layout capabilities in OS 3.0.
- Maybe you could tell us a bit more about this. BTW, I don't call
- GFLG_RELxxxxx flags automatic layout, I call it nonsense :-)
-
- CF> Of course letting MUI run on the applications process isn't
- CF> bad either.
-
- It's the only way accomplish certain goals. Did you ever try to
- make an intuition gadget pay attention to clip regions? Virtual
- groups would be impossible with your user interface running
- on several different tasks.
-
- Yes, sometimes its nice to have input.device.task handle gadgets.
- That's why the Amiga has the best "prop gadget feeling" of every
- platform and that's why I decided to have MUI's prop gadgets also
- handled by input.device.task. But having a complete user interface
- under input.device control is simply not necessary and brings up
- lots of refreshing problems.
-
- CF> It replaces gadgetclass, which is not only the baseclass of
- CF> all gadgets in the system, but also the superclass for any
- CF> gadgets we have (like colorwheel, datatypes etc.), and for
- CF> any gadgets we will see in the future (apart from new MUI
- CF> classes :)
-
- True. But due to MUIs boopsi interface class, all MUI applications
- can benefit from new boopsi classes. Of course things would be
- a bit nicer with new MUI classes... :-)
-
- Greetings, Stefan.
-