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[REBOL] Re: evaluation result (or... goodbye)

From: rotenca:telvia:it at: 6-May-2002 15:03

Hi Brett,
> Yes, I was thinking about the affect on a shared feel object,
Another little thing is that normally engage function is bound to the feel object, for example the cue function normally is in the feel object.
> but I also wonder if there > is any use for it at all. Maybe it was part of an earlier grammar for layout > that is now > obsolete (because of action blocks) and was never actually removed. > > Have you an example of how it could be used?
Many times i want to change only the engage field 1) to pass more info to the action function, for example the event object (to check control/shift keys with mouse). 2) every time i want to use over/away actions, i must rewrite engage, because Vid usually does not offer a hook for them like action/alt-action. 3) time events often requires to rewrite engage. 4) I could want only a selective show face, to hide the face from an action function. 5) sometimes i do not want cue 6) sometimes i want different on state for different event types .... Yes i can do all with the feel word, but this is true also for font facets or edge facets, nevertheless we use no-wrap, bevel, font-size xx instead of font [size:...] edge [...]. Almost all useful facets have layout shortcuts, i can live without them but writing code is more easy with them. The same, i think, for sense. I must say it is not documented, but many are undocumented things in Vid, like map in list, for example. --- Ciao Romano