X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=man%2Fcurs_util.3x;h=fb912b65f3285cda0d9d0fbe831c1f595e22de83;hp=652628a873f3ecdac22554c48fb6b2ded0b3440d;hb=3a935d9991cdf43ebfa952073c9b555f73a3e011;hpb=71c0306f0824ef2b10c4c5813fb003db48f3012e diff --git a/man/curs_util.3x b/man/curs_util.3x index 652628a8..fb912b65 100644 --- a/man/curs_util.3x +++ b/man/curs_util.3x @@ -26,8 +26,11 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: curs_util.3x,v 1.28 2010/07/31 16:10:55 tom Exp $ +.\" $Id: curs_util.3x,v 1.32 2010/12/04 18:38:55 tom Exp $ .TH curs_util 3X "" +.de bP +.IP \(bu 4 +.. .na .hy 0 .SH NAME @@ -75,21 +78,17 @@ representation of the character \fIc\fR, ignoring attributes. Control characters are displayed in the \fB^\fR\fIX\fR notation. Printing characters are displayed as is. The corresponding \fBwunctrl\fR returns a printable representation of -a wide-character. +a wide character. .PP The \fBkeyname\fR routine returns a character string corresponding to the key \fIc\fR: .RS 3 -.TP 3 -\- +.bP Printable characters are displayed as themselves, e.g., a one-character string containing the key. -.TP 3 -\- +.bP Control characters are displayed in the \fB^\fR\fIX\fR notation. -.TP 3 -\- +.bP DEL (character 127) is displayed as \fB^?\fP. -.TP 3 -\- +.bP Values above 128 are either meta characters (if the screen has not been initialized, or if \fBmeta\fP has been called with a TRUE parameter), @@ -97,11 +96,9 @@ shown in the \fBM\-\fR\fIX\fR notation, or are displayed as themselves. In the latter case, the values may not be printable; this follows the X/Open specification. -.TP 3 -\- +.bP Values above 256 may be the names of the names of function keys. -.TP 3 -\- +.bP Otherwise (if there is no corresponding name) the function returns null, to denote an error. X/Open also lists an "UNKNOWN KEY" return value, which some implementations @@ -177,13 +174,11 @@ The XSI Curses standard, Issue 4 describes these functions. It states that \fBunctrl\fR and \fBwunctrl\fR will return a null pointer if unsuccessful, but does not define any error conditions. This implementation checks for three cases: -.RS -.TP 5 -\- +.RS 3 +.bP the parameter is a 7-bit US\-ASCII code. This is the case that X/Open Curses documented. -.TP 5 -\- +.bP the parameter is in the range 128\-159, i.e., a C1 control code. If \fBuse_legacy_coding\fP has been called with a \fB2\fP parameter, \fBunctrl\fP returns the parameter, i.e., a one-character string with @@ -194,8 +189,7 @@ X/Open Curses does not document whether \fBunctrl\fP can be called before initializing curses. This implementation permits that, and returns the ``~@'', etc., values in that case. -.TP 5 -\- +.bP parameter values outside the 0 to 255 range. \fBunctrl\fP returns a null pointer. .RE @@ -249,10 +243,5 @@ be conditioned using NCURSES_VERSION. \fBcurs_initscr\fR(3X), \fBcurs_kernel\fR(3X), \fBcurs_scr_dump\fR(3X), +\fBcurs_variables\fR(3X), \fBlegacy_coding\fR(3X). -.\"# -.\"# The following sets edit modes for GNU EMACS -.\"# Local Variables: -.\"# mode:nroff -.\"# fill-column:79 -.\"# End: