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Re: non-interactive cygwin setup


On Thu, 14 Oct 2004, Robert Pendell wrote:

> Well there are ways to make a console/gui hybrid application (or at
> least I read that it could be done) but there are a few tricks that
> you have to pull.  It would be invisible to the end-user in the end
> though.

];-> <http://cygwin.com/acronyms/#PTC> ];->

> On Thu, 14 Oct 2004 01:12:20 -0500, Gary R. Van Sickle <g.r.vansickle@XXXXXXXX.XXX.XXX> wrote:

Oh, and <http://cygwin.com/acronyms/#PCYMTNQREAIYR>.  Thanks.
	Igor

> > [snip]
> > > >I thought if a GUI app called printf it generally caused a console
> > > >to be opened for it.  Maybe that's only with msvcrt.  In any case,
> > > >the fact is that it is being run from a cmdline and so it certainly
> > > >can communicate with the console.  The presence of command-line
> > > >options in argc/argv could be taken as a fairly strong hint that it
> > > >was being run from a shell rather than an icon.  And there's always
> > > >"isatty (1)" if you really really want to be sure.
> > >
> > > This is a windows limitation.  GUI apps (apps created with
> > > -mwindows) can't send output to or receive input from the
> > > console.  Of course, a GUI can interpret command line
> > > information.  It just cannot send output to the console that
> > > started it.
> > >
> > > You could use AllocConsole to create a separate console which
> > > the GUI could then use, however.
> >
> > Here's a maybe-less-icky way to do it.  Have two exes, one "setup.exe"
> > which is a 100% command-line program that normally just spawns
> > "winsetup.exe", the current GUI setup, and goes away.  Give it
> > "--help", and it prints help in the regular command-line way and
> > exits.  Yeah, two exes, but worse tragedies have happened.
> > --
> > Gary R. Van Sickle

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