Re: [Foxgui-users]Re: platform independence

[Albert L. W. <alw...@ua...>]

Thank you for the reply, Jereon.  I can certainly appreciate what
you're going through.  Poking at a black box to determine what it
contains can be both fun and frustrating. I appreciate the
reassurance that the problem is being tackled.  Thanks again.

jeroen wrote:
> 
> On Friday 27 July 2001 21:01, you wrote:
> > In a recent reply,  you told me that my "keyboard problems may have
> > something to do with some differences in how focusing works on Windows vs.
> > X11."
> >
> > I have brooded on this reply for awhile and now I ask:  Do you not consider
> > this a serious design flaw?  "Write once, compile anywhere" is meaningless
> > if you get different behaviour on each platform.
> 
> Identical behaviour is the goal.  However, getting there is proving to be
> a lot of work.  We can ensure FOX widgets behave more-or-less the same, when
> given the same messages by the underlying system.  Of course, under X11 we
> need to deal with various window managers, focus models, and so on, which
> are not under our control; under Windows, we must deal certain ideosyncracies
> as well, and not all of them are equally well documented (necessitating
> experimentation to find out the truth).
> 
> > I hope this doesn't make you angry, but I would really like to know if
> > differences in behaviour on different platforms is considered something
> > that needs fixing.
> 
> Yes, that's what I'm doing.
> 
> > The core of the application I am working on contains a grid of
> > miscellaneous widgets.  I am attempting to move left/right  with tab and
> > backtab.  I am attempting to move up/down with the up/down arrow keys.
> > This is simple with text entry widgets, but when FXMenuButton and FXCombo
> > are added to the mix, I find focus taking on a life of its own.  Both the
> > menu button and combo seem to be swallowing keystrokes and changing the
> > message sender arbitrarily.   I find work arounds on Windows that don't
> > work on Linux, and vice versa.  I also find that these widgets are not
> > keyboard friendly, and appear to have been designed only for use with a
> > mouse.
> 
> I am working on the popup menus now and hope to come to a solution for
> this in the next couple of weeks.
> 
>                 - Jeroen
> 
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