ncurses 6.2 - patch 20210306

[ncurses.git] / man / curs_terminfo.3x

diff --git a/man/curs_terminfo.3x b/man/curs_terminfo.3x
index d2e9b635aba005858bd3e018c98f1478c6788bb8..9cdbbddf5c07f25202265537eeb49c7b7b7f2b78 100644 (file)
--- a/man/curs_terminfo.3x
+++ b/man/curs_terminfo.3x
@@ -1,5 +1,5 @@
 .\"***************************************************************************
 .\"***************************************************************************

-.\" Copyright 2018,2020 Thomas E. Dickey                                     *
+.\" Copyright 2018-2020,2021 Thomas E. Dickey                                *

 .\" Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *
 .\" Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *


@@ -27,7 +27,7 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"

-.\" $Id: curs_terminfo.3x,v 1.66 2020/10/31 23:15:44 tom Exp $
+.\" $Id: curs_terminfo.3x,v 1.74 2021/03/06 16:05:19 tom Exp $

 .TH curs_terminfo 3X ""
 .ie \n(.g .ds `` \(lq
 .el       .ds `` ``
 .TH curs_terminfo 3X ""
 .ie \n(.g .ds `` \(lq
 .el       .ds `` ``


@@ -46,7 +46,6 @@
 \fBputp\fR,
 \fBrestartterm\fR,
 \fBset_curterm\fR,
 \fBputp\fR,
 \fBrestartterm\fR,
 \fBset_curterm\fR,

-\fBsetterm\fR,

 \fBsetupterm\fR,
 \fBtigetflag\fR,
 \fBtigetnum\fR,
 \fBsetupterm\fR,
 \fBtigetflag\fR,
 \fBtigetnum\fR,


@@ -62,6 +61,7 @@
 .hy
 .SH SYNOPSIS
 .nf
 .hy
 .SH SYNOPSIS
 .nf

+\fB#include <curses.h>\fR

 \fB#include <term.h>\fR
 .sp
 \fBTERMINAL *cur_term;\fR
 \fB#include <term.h>\fR
 .sp
 \fBTERMINAL *cur_term;\fR


@@ -78,8 +78,6 @@
 .sp
 \fBint setupterm(const char *\fR\fIterm\fR\fB, int \fR\fIfiledes\fR\fB, int *\fR\fIerrret\fR\fB);\fR
 .br
 .sp
 \fBint setupterm(const char *\fR\fIterm\fR\fB, int \fR\fIfiledes\fR\fB, int *\fR\fIerrret\fR\fB);\fR
 .br

-\fBint setterm(const char *\fR\fIterm\fR\fB);\fR
-.br

 \fBTERMINAL *set_curterm(TERMINAL *\fR\fInterm\fR\fB);\fR
 .br
 \fBint del_curterm(TERMINAL *\fR\fIoterm\fR\fB);\fR
 \fBTERMINAL *set_curterm(TERMINAL *\fR\fInterm\fR\fB);\fR
 .br
 \fBint del_curterm(TERMINAL *\fR\fIoterm\fR\fB);\fR


@@ -118,6 +116,14 @@ capabilities, such as programming function keys.
 For all other
 functionality, \fBcurses\fR routines are more suitable and their use is
 recommended.
 For all other
 functionality, \fBcurses\fR routines are more suitable and their use is
 recommended.

+.PP
+None of these functions use (or are aware of) multibyte character strings
+such as UTF-8:
+.bP
+capability names use the POSIX portable character set
+.bP
+capability string values have no associated encoding;
+they are strings of 8-bit characters.

 .SS Initialization
 .PP
 Initially, \fBsetupterm\fR should be called.
 .SS Initialization
 .PP
 Initially, \fBsetupterm\fR should be called.


@@ -225,14 +231,6 @@ Thus, the simplest call is:
 .sp
 which uses all the defaults and sends the output to \fBstdout\fR.
 .RE
 .sp
 which uses all the defaults and sends the output to \fBstdout\fR.
 .RE

-.PP
-The \fBsetterm\fR routine was replaced by \fBsetupterm\fR.  The call:
-.sp
-      \fBsetupterm(\fR\fIterm\fR\fB, 1, (int *)0)\fR
-.sp
-provides the same functionality as \fBsetterm(\fR\fIterm\fR\fB)\fR.
-The \fBsetterm\fR routine is provided for BSD compatibility, and
-is not recommended for new programs.

 .\" ***************************************************************************
 .SS The Terminal State
 .PP
 .\" ***************************************************************************
 .SS The Terminal State
 .PP


@@ -282,6 +280,12 @@ the prototype expects \fBlong\fP (integer) values.
 .bP
 Aside from the \fBset_attributes\fP (\fBsgr\fP) capability,
 most terminal capabilities require no more than one or two parameters.
 .bP
 Aside from the \fBset_attributes\fP (\fBsgr\fP) capability,
 most terminal capabilities require no more than one or two parameters.

+.bP
+Padding information is ignored by \fBtparm\fP;
+it is interpreted by \fBtputs\fP.
+.bP
+The capability string is null-terminated.
+Use \*(``\\200\*('' where an ASCII NUL is needed in the output.

 .PP
 \fBtiparm\fP is a newer form of \fBtparm\fP which uses \fI<stdarg.h>\fP
 rather than a fixed-parameter list.
 .PP
 \fBtiparm\fP is a newer form of \fBtparm\fP which uses \fI<stdarg.h>\fP
 rather than a fixed-parameter list.


@@ -289,7 +293,10 @@ Its numeric parameters are integers (int) rather than longs.
 .\" ***************************************************************************
 .SS Output Functions
 .PP
 .\" ***************************************************************************
 .SS Output Functions
 .PP

-The \fBtputs\fR routine applies padding information to the string
+The \fBtputs\fR routine applies padding information
+(i.e., by interpreting marker embedded in the terminfo capability
+such as \*(``$<5>\*('' as 5 milliseconds)
+to the string

 \fIstr\fR and outputs it:
 .bP
 The \fIstr\fR parameter must be a terminfo string
 \fIstr\fR and outputs it:
 .bP
 The \fIstr\fR parameter must be a terminfo string


@@ -338,8 +345,12 @@ this implementation allows \fIopts\fP to be used as a pointer to \fBint\fP,
 which overrides the \fIpair\fP (\fBshort\fP) argument.
 .PP
 The \fBmvcur\fR routine provides low-level cursor motion.
 which overrides the \fIpair\fP (\fBshort\fP) argument.
 .PP
 The \fBmvcur\fR routine provides low-level cursor motion.

-It takes
-effect immediately (rather than at the next refresh).
+It takes effect immediately (rather than at the next refresh).
+.PP
+While \fBputp\fR and \fBmvcur\fP are low-level functions which
+do not use the high-level curses state,
+they are declared in \fB<curses.h>\fP because SystemV did this
+(see \fBHISTORY\fP).

 .\" ***************************************************************************
 .SS Terminal Capability Functions
 .PP
 .\" ***************************************************************************
 .SS Terminal Capability Functions
 .PP


@@ -431,6 +442,32 @@ It does not detect I/O errors:
 X/Open states that \fBtputs\fP ignores the return value
 of the output function \fIputc\fP.
 .RE
 X/Open states that \fBtputs\fP ignores the return value
 of the output function \fIputc\fP.
 .RE

+.\" ***************************************************************************
+.SS Compatibility macros
+This implementation provides a few macros for compatibility with systems
+before SVr4 (see \fBHISTORY\fP).
+Those include
+\fBcrmode\fP,
+\fBfixterm\fP,
+\fBgettmode\fP,
+\fBnocrmode\fP,
+\fBresetterm\fP,
+\fBsaveterm\fP, and
+\fBsetterm\fP.
+.PP
+In SVr4, those are found in \fB<curses.h>\fP,
+but except for \fBsetterm\fR, are likewise macros.
+The one function, \fBsetterm\fR, is mentioned in the manual page.
+The manual page notes that the \fBsetterm\fR routine
+was replaced by \fBsetupterm\fR, stating that the call:
+.sp
+      \fBsetupterm(\fR\fIterm\fR\fB, 1, (int *)0)\fR
+.sp
+provides the same functionality as \fBsetterm(\fR\fIterm\fR\fB)\fR,
+and is not recommended for new programs.
+This implementation provides each of those symbols
+as macros for BSD compatibility,
+.\" ***************************************************************************

 .SH HISTORY
 .PP
 SVr2 introduced the terminfo feature.
 .SH HISTORY
 .PP
 SVr2 introduced the terminfo feature.