ncurses 5.9 - patch 20140712

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

diff --git a/man/curs_addch.3x b/man/curs_addch.3x
index 73918b88b9545530f49008a0ca52a6dbbf199a1b..e45048793a1e17294d24d4f63ec43635ab3fd65c 100644 (file)
--- a/man/curs_addch.3x
+++ b/man/curs_addch.3x
@@ -1,6 +1,6 @@
 '\" t
 .\"***************************************************************************
 '\" t
 .\"***************************************************************************

-.\" Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+.\" Copyright (c) 1998-2011,2014 Free Software Foundation, Inc.              *

 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *
 .\" copy of this software and associated documentation files (the            *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *
 .\" copy of this software and associated documentation files (the            *


@@ -27,12 +27,18 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"

-.\" $Id: curs_addch.3x,v 1.27 2007/06/02 20:40:07 tom Exp $
+.\" $Id: curs_addch.3x,v 1.33 2014/05/24 19:47:41 tom Exp $

 .TH curs_addch 3X ""
 .TH curs_addch 3X ""

+.de bP
+.IP \(bu 4
+..

 .SH NAME
 .SH NAME

-\fBaddch\fR, \fBwaddch\fR, \fBmvaddch\fR, \fBmvwaddch\fR,
+\fBaddch\fR,
+\fBwaddch\fR,
+\fBmvaddch\fR,
+\fBmvwaddch\fR,

 \fBechochar\fR,
 \fBechochar\fR,

-\fBwechochar\fR - add a character (with attributes) to a \fBcurses\fR window, then advance the cursor
+\fBwechochar\fR \- add a character (with attributes) to a \fBcurses\fR window, then advance the cursor

 .SH SYNOPSIS
 \fB#include <curses.h>\fR
 .PP
 .SH SYNOPSIS
 \fB#include <curses.h>\fR
 .PP


@@ -52,17 +58,29 @@
 The \fBaddch\fR, \fBwaddch\fR, \fBmvaddch\fR and \fBmvwaddch\fR routines put
 the character \fIch\fR into the given window at its current window position,
 which is then advanced.  They are analogous to \fBputchar\fR in \fBstdio\fR(3).
 The \fBaddch\fR, \fBwaddch\fR, \fBmvaddch\fR and \fBmvwaddch\fR routines put
 the character \fIch\fR into the given window at its current window position,
 which is then advanced.  They are analogous to \fBputchar\fR in \fBstdio\fR(3).

-If the advance is at the right margin, the cursor automatically wraps to the
-beginning of the next line.  At the bottom of the current scrolling region, if
-\fBscrollok\fR is enabled, the scrolling region is scrolled up one line.
+If the advance is at the right margin:
+.bP
+The cursor automatically wraps to the beginning of the next line.
+.bP
+At the bottom of the current scrolling region,
+and if \fBscrollok\fR is enabled,
+the scrolling region is scrolled up one line.
+.bP
+If \fBscrollok\fR is not enabled,
+writing a character at the lower right margin succeeds.
+However, an error is returned because
+it is not possible to wrap to a new line

 .PP
 If \fIch\fR is a tab, newline, or backspace,
 .PP
 If \fIch\fR is a tab, newline, or backspace,

-the cursor is moved appropriately within the window.
+the cursor is moved appropriately within the window:
+.bP

 Backspace moves the cursor one character left; at the left
 edge of a window it does nothing.
 Backspace moves the cursor one character left; at the left
 edge of a window it does nothing.

+.bP

 Newline does a \fBclrtoeol\fR,
 then moves the cursor to the window left margin on the next line,
 scrolling the window if on the last line.
 Newline does a \fBclrtoeol\fR,
 then moves the cursor to the window left margin on the next line,
 scrolling the window if on the last line.

+.bP

 Tabs are considered to be at every eighth column.
 The tab interval may be altered by setting the \fBTABSIZE\fR variable.
 .PP
 Tabs are considered to be at every eighth column.
 The tab interval may be altered by setting the \fBTABSIZE\fR variable.
 .PP


@@ -105,7 +123,7 @@ ACS_DARROW  v       arrow pointing down
 ACS_DEGREE     '       degree symbol
 ACS_DIAMOND    +       diamond
 ACS_GEQUAL     >       greater-than-or-equal-to
 ACS_DEGREE     '       degree symbol
 ACS_DIAMOND    +       diamond
 ACS_GEQUAL     >       greater-than-or-equal-to

-ACS_HLINE      -       horizontal line
+ACS_HLINE      \-      horizontal line

 ACS_LANTERN    #       lantern symbol
 ACS_LARROW     <       arrow pointing left
 ACS_LEQUAL     <       less-than-or-equal-to
 ACS_LANTERN    #       lantern symbol
 ACS_LARROW     <       arrow pointing left
 ACS_LEQUAL     <       less-than-or-equal-to


@@ -118,9 +136,9 @@ ACS_PLMINUS #       plus/minus
 ACS_PLUS       +       plus
 ACS_RARROW     >       arrow pointing right
 ACS_RTEE       +       right tee
 ACS_PLUS       +       plus
 ACS_RARROW     >       arrow pointing right
 ACS_RTEE       +       right tee

-ACS_S1 -       scan line 1
-ACS_S3 -       scan line 3
-ACS_S7 -       scan line 7
+ACS_S1 \-      scan line 1
+ACS_S3 \-      scan line 3
+ACS_S7 \-      scan line 7

 ACS_S9 \&_     scan line 9
 ACS_STERLING   f       pound-sterling symbol
 ACS_TTEE       +       top tee
 ACS_S9 \&_     scan line 9
 ACS_STERLING   f       pound-sterling symbol
 ACS_TTEE       +       top tee


@@ -134,6 +152,10 @@ All routines return the integer \fBERR\fR upon failure and \fBOK\fR on success
 (the SVr4 manuals specify only "an integer value other than \fBERR\fR") upon
 successful completion, unless otherwise noted in the preceding routine
 descriptions.
 (the SVr4 manuals specify only "an integer value other than \fBERR\fR") upon
 successful completion, unless otherwise noted in the preceding routine
 descriptions.

+.PP
+Functions with a "mv" prefix first perform a cursor movement using
+\fBwmove\fP, and return an error if the position is outside the window,
+or if the window pointer is null.

 .SH NOTES
 Note that \fBaddch\fR, \fBmvaddch\fR, \fBmvwaddch\fR, and
 \fBechochar\fR may be macros.
 .SH NOTES
 Note that \fBaddch\fR, \fBmvaddch\fR, \fBmvwaddch\fR, and
 \fBechochar\fR may be macros.


@@ -141,6 +163,10 @@ Note that \fBaddch\fR, \fBmvaddch\fR, \fBmvwaddch\fR, and
 All these functions are described in the XSI Curses standard, Issue 4.
 The defaults specified for forms-drawing characters apply in the POSIX locale.
 .LP
 All these functions are described in the XSI Curses standard, Issue 4.
 The defaults specified for forms-drawing characters apply in the POSIX locale.
 .LP

+X/Open Curses states that the \fIACS_\fP definitions are \fBchar\fP constants.
+For the wide-character implementation (see \fBcurs_add_wch\fP),
+there are analogous \fIWACS_\fP definitions which are \fBcchar_t\fP constants.
+.LP

 Some ACS symbols
 (ACS_S3,
 ACS_S7,
 Some ACS symbols
 (ACS_S3,
 ACS_S7,


@@ -168,14 +194,9 @@ This is true of other implementations, but is not documented.
 \fBcurs_inch\fR(3X),
 \fBcurs_outopts\fR(3X),
 \fBcurs_refresh\fR(3X),
 \fBcurs_inch\fR(3X),
 \fBcurs_outopts\fR(3X),
 \fBcurs_refresh\fR(3X),

+\fBcurs_variables\fR(3X),

 \fBputc\fR(3).
 .PP
 Comparable functions in the wide-character (ncursesw) library are
 described in
 \fBcurs_add_wch\fR(3X).
 \fBputc\fR(3).
 .PP
 Comparable functions in the wide-character (ncursesw) library are
 described in
 \fBcurs_add_wch\fR(3X).

-.\"#
-.\"# The following sets edit modes for GNU EMACS
-.\"# Local Variables:
-.\"# mode:nroff
-.\"# fill-column:79
-.\"# End: