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Article #905

Re: Curses refreshes/...continue... mode

#905
From: Barton E. Schaefer
Date: Sun, 21 May 1989 21:51
52 lines
2771 bytes
In article <7330013@grlab.UUCP> scott@grlab.UUCP (Scott Blachowicz) writes:
} 
} What I'm trying to do is this:
}    bind = macro "[update][line-mode]await\n[sort-reverse]d[first-msg]"
} 
} Questions:
}   -Is it possible to shut off curses-mode screen updates by a command
}    in a macro?

No, though I'm not exactly sure what you want here.  Commands in macros work
exactly as if you typed them yourself.

You can always resort to an escape to [line-mode], which results in the
"...continue..." prompt; then no screen update is done.

}   -It seems the "[update]" part refreshes the screen regardless of
}    whether or not an update was requested/done...doesn't seem it really
}    needs to do so.

What do you mean by "whether or not an update was requested/done"?  If you
give the [update] command, obviously an update was requested ... but yes,
the screen gets refreshed even if no update was "necessary".  Update
implies updating the screen as well as the folder.

}   -Is it possible to avoid getting dumped into "...continue..." mode?
}    I've got another one that is similar, but doesn't leave me there:
}       bind @ macro "[sort-reverse]d[first-msg]"

Any time you do a [line-mode] escape, you get dumped into "...continue..."
because curses mode doesnt' know what sort of mischief the line mode has
perpetrated upon the screen.  This is analogous to getting "[Hit return to
continue]" in vi.  [sort-reverse] happens to do a screen update if the
"...continue..." is not already present, so that's why you don't get put
in continue mode there.

There is an undocumented curses command called [no-op] that can be used
only in macros.  It returns to the regular curses screen from continue
mode (forces a refresh) and produces an error bell otherwise.  This is
safer than using [quit] for obvious reasons. :-)  It corresponds to
pressing an unbound key.  So if you change your macro to:

bind = macro "[update][line-mode]await\n[sort-reverse]d[first-msg][no-op]"

You will probably see what you want to see.

} Scott Blachowicz

-- 
Bart Schaefer       "And if you believe that, you'll believe anything."
							-- DangerMouse
CSNET / Internet                schaefer@cse.ogc.edu
UUCP                            ...{sequent,tektronix,verdix}!ogccse!schaefer
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ukma!husc6!ogccse!schaefer
References: <7330013@grlab.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ukma!husc6!ogccse!schaefer
From: schaefer@ogccse.ogc.edu (Barton E. Schaefer)
Newsgroups: comp.mail.mush
Subject: Re: Curses refreshes/...continue... mode
Message-ID: <2835@ogccse.ogc.edu>
Date: 21 May 89 21:51:23 GMT
References: <7330013@grlab.UUCP>
Reply-To: schaefer@ogccse.UUCP (Barton E. Schaefer)
Organization: Oregon Graduate Center, Beaverton, OR
Lines: 52