Date: Thu, 12 Oct 2006 13:04:18 -0500 From: Derek Ragona <derek@computinginnovations.com> To: "Murray Taylor" <MTaylor@bytecraft.com.au>, <freebsd-questions@freebsd.org> Subject: Re: Question re ncurses and the various ttys Message-ID: <6.0.0.22.2.20061012130352.022ba290@mail.computinginnovations.com> In-Reply-To: <04E232FDCD9FBE43857F7066CAD3C0F11EF96C@svmailmel.bytecraft .internal> References: <04E232FDCD9FBE43857F7066CAD3C0F11EF96C@svmailmel.bytecraft.internal>
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You should be able to do this, provided the perms are set right on that device.
-Derek
At 10:24 PM 10/11/2006, Murray Taylor wrote:
>Hi all
>
>I've been digging around in the various man pages and havent yet found
>the
>incantations I require.
>
>Goal: to create a curses driven status screen that can run without user
>intervention.
>
>I want to know if it is possible to _programatically_ switch to an
>unused
>virtual tty, and then use this as the display page.
>( By unused I mean marked 'off' in /etc/ttys )
>
>So if I set ttyv7 to off, can I launch a program (possibly from
>a cold boot) that selects tty7 ( ie the now getty-less terminal ),
>possibly sets the rows and cols like th ecommand line vidcontrol can,
>and then continues executing a curses app ?
>
>I can write the curses bit.
>
>Can I execute vidcontrol(1) via a system(3) call and make it stick after
>the
>call returns or does it only affect the environment within the call.
>
>Can I programtically do the same as Alt-F8 to preselect my screen?
>Will the curses output go onto this selected screen or would it go
>to the initial console screen? (Hmm maybe that is part of the answer,
>in the form of "Does curses output only go to the current console?"
>
>( ... am I even on the right track ?? )
>
>
>
>Murray Taylor
>
>Special Projects Engineer
>Bytecraft Systems
>
>--
>
>"Any intelligent fool can make things bigger and more complex... It
>takes a
>touch of genius - and a lot of courage to move in the opposite
>direction."
>--Albert Einstein
>
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