113 lines
3.4 KiB
Plaintext
113 lines
3.4 KiB
Plaintext
.\" $NetBSD: doc.IV,v 1.4 1998/01/09 04:12:08 perry Exp $
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.\"
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.\" Copyright (c) 1980, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)doc.IV 8.1 (Berkeley) 6/4/93
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.\"
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.Ds
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.Fd gettmode
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.De
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Get the tty stats.
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This is normally called by
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.Fn initscr .
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.Ds
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.Fd mvcur lasty\*,lastx\*,newy\*,newx
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int lasty\*,lastx\*,newy\*,newx;
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.De
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Moves the terminal's cursor from
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.Vn lasty\*,lastx ) (
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to
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.Vn newy\*,newx ) (
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in an approximation of optimal fashion.
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This routine uses the functions borrowed from
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.i ex
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version 2.6.
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It is possible to use this optimization
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without the benefit of the screen routines.
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With the screen routines, this should not be called by the user.
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.Fn move
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and
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.Fn refresh
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should be used to move the cursor position,
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so that the routines know what's going on.
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.Ds
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.Fd scroll win
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WINDOW *win;
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.De
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Scroll the window upward one line.
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This is normally not used by the user.
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.Ds
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.Fd savetty "" \*m
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.Fd resetty "" \*m
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.De
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.Fn savetty
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saves the current tty characteristic flags.
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.Fn resetty
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restores them to what
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.Fn savetty
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stored.
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These functions are performed automatically by
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.Fn initscr
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and
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.Fn endwin .
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.Ds
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.Fd setterm name
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char *name;
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.De
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Set the terminal characteristics to be those of the terminal named
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.Vn name ,
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getting the terminal size from the
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.b TIOCGWINSZ
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.Fn ioctl "" "" 2
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if it exists,
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otherwise from the environment.
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This is normally called by
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.Fn initscr .
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.Ds
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.Fd tstp
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.De
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If the new
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.b tty (4)
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driver is in use,
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this function
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will save the current tty state
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and then put the process to sleep.
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When the process gets restarted,
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it restores the tty state
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and then calls
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.Fn wrefresh "" "" curscr
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to redraw the screen.
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.Fn initscr
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sets the signal
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SIGTSTP
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to trap to this routine.
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