diff options
Diffstat (limited to 'man/curs_add_wch.3x')
| -rw-r--r-- | man/curs_add_wch.3x | 129 |
1 files changed, 20 insertions, 109 deletions
diff --git a/man/curs_add_wch.3x b/man/curs_add_wch.3x index 26319a8ef9094..51ac1a4b5c35e 100644 --- a/man/curs_add_wch.3x +++ b/man/curs_add_wch.3x @@ -1,5 +1,5 @@ .\"*************************************************************************** -.\" Copyright (c) 2001-2010,2011 Free Software Foundation, Inc. * +.\" Copyright (c) 2001-2002,2006 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 * @@ -26,18 +26,15 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: curs_add_wch.3x,v 1.14 2011/01/15 15:27:43 tom Exp $ +.\" $Id: curs_add_wch.3x,v 1.6 2006/12/24 15:22:22 tom Exp $ .TH curs_add_wch 3X "" -.de bP -.IP \(bu 4 -.. .SH NAME \fBadd_wch\fP, \fBwadd_wch\fP, \fBmvadd_wch\fP, \fBmvwadd_wch\fP, \fBecho_wchar\fP, -\fBwecho_wchar\fP \- add a complex character and rendition to a \fBcurses\fR window, then advance the cursor +\fBwecho_wchar\fP - add a complex character and rendition to a \fBcurses\fR window, then advance the cursor .SH SYNOPSIS .PP \fB#include <curses.h>\fP @@ -66,20 +63,23 @@ window at its current position, which is then advanced. These functions perform wrapping and special-character processing as follows: -.bP +.TP 5 +- If \fIwch\fP refers to a spacing character, then any previous character at that location is removed. A new character specified by \fIwch\fP is placed at that location with rendition specified by \fIwch\fP. The cursor then advances to the next spacing character on the screen. -.bP +.TP 5 +- If \fIwch\fP refers to a non-spacing character, all previous characters at that location are preserved. The non-spacing characters of \fIwch\fP are added to the spacing complex character, and the rendition specified by \fIwch\fP is ignored. -.bP +.TP 5 +- If the character part of \fIwch\fP is a tab, newline, backspace or other control character, the window is updated and the cursor moves as if \fBaddch\fR were called. @@ -99,90 +99,9 @@ The knowledge that only a single character is being output is taken into consideration and, for non-control characters, a considerable performance gain might be seen by using the *\fBecho\fP* functions instead of their equivalents. -.SS Line Graphics -Like \fBaddch\fP(3X), -\fBaddch_wch\fP accepts symbols which make it simple to draw lines and other -frequently used special characters. -These symbols correspond to the same VT100 line-drawing set as -\fBaddch\fP(3X). -.PP -.TS -l l l l -_ _ _ _ -lw(1.5i) lw7 lw7 lw20. -\fIName\fR \fIUnicode\fP \fIDefault\fR \fIDescription\fR -WACS_BLOCK 0x25ae # solid square block -WACS_BOARD 0x2592 # board of squares -WACS_BTEE 0x2534 + bottom tee -WACS_BULLET 0x00b7 o bullet -WACS_CKBOARD 0x2592 : checker board (stipple) -WACS_DARROW 0x2193 v arrow pointing down -WACS_DEGREE 0x00b0 ' degree symbol -WACS_DIAMOND 0x25c6 + diamond -WACS_GEQUAL 0x2265 > greater-than-or-equal-to -WACS_HLINE 0x2500 \- horizontal line -WACS_LANTERN 0x2603 # lantern symbol -WACS_LARROW 0x2190 < arrow pointing left -WACS_LEQUAL 0x2264 < less-than-or-equal-to -WACS_LLCORNER 0x2514 + lower left-hand corner -WACS_LRCORNER 0x2518 + lower right-hand corner -WACS_LTEE 0x2524 + left tee -WACS_NEQUAL 0x2260 ! not-equal -WACS_PI 0x03c0 * greek pi -WACS_PLMINUS 0x00b1 # plus/minus -WACS_PLUS 0x253c + plus -WACS_RARROW 0x2192 > arrow pointing right -WACS_RTEE 0x251c + right tee -WACS_S1 0x23ba \- scan line 1 -WACS_S3 0x23bb \- scan line 3 -WACS_S7 0x23bc \- scan line 7 -WACS_S9 0x23bd \&_ scan line 9 -WACS_STERLING 0x00a3 f pound-sterling symbol -WACS_TTEE 0x252c + top tee -WACS_UARROW 0x2191 ^ arrow pointing up -WACS_ULCORNER 0x250c + upper left-hand corner -WACS_URCORNER 0x2510 + upper right-hand corner -WACS_VLINE 0x2502 | vertical line -.TE -.PP -The wide-character configuration of ncurses also defines symbols -for thick- and double-lines: -.PP -.TS -l l l l -_ _ _ _ -lw(1.5i) lw7 lw7 lw20. -\fIName\fR \fIUnicode\fP \fIDefault\fR \fIDescription\fR -WACS_T_ULCORNER 0x250f + thick upper left corner -WACS_T_LLCORNER 0x2517 + thick lower left corner -WACS_T_URCORNER 0x2513 + thick upper right corner -WACS_T_LRCORNER 0x251b + thick lower right corner -WACS_T_LTEE 0x252b + thick tee pointing right -WACS_T_RTEE 0x2523 + thick tee pointing left -WACS_T_BTEE 0x253b + thick tee pointing up -WACS_T_TTEE 0x2533 + thick tee pointing down -WACS_T_HLINE 0x2501 - thick horizontal line -WACS_T_VLINE 0x2503 | thick vertical line -WACS_T_PLUS 0x254b + thick large plus or crossover -WACS_D_ULCORNER 0x2554 + double upper left corner -WACS_D_LLCORNER 0x255a + double lower left corner -WACS_D_URCORNER 0x2557 + double upper right corner -WACS_D_LRCORNER 0x255d + double lower right corner -WACS_D_RTEE 0x2563 + double tee pointing left -WACS_D_LTEE 0x2560 + double tee pointing right -WACS_D_BTEE 0x2569 + double tee pointing up -WACS_D_TTEE 0x2566 + double tee pointing down -WACS_D_HLINE 0x2550 - double horizontal line -WACS_D_VLINE 0x2551 | double vertical line -WACS_D_PLUS 0x256c + double large plus or crossover -.TE .SH RETURN VALUES .PP All routines return the integer \fBERR\fR upon failure and \fBOK\fR on success. -.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 .PP Note that @@ -193,26 +112,12 @@ Note that may be macros. .SH PORTABILITY .PP -All of these functions are described in the XSI Curses standard, Issue 4. -The defaults specified for line-drawing characters apply in the POSIX locale. -.PP -X/Open Curses makes it clear that the WACS_ symbols should be defined as -a pointer to \fBcchar_t\fP data, e.g., in the discussion of \fBborder_set\fR. -A few implementations are problematic: -.bP -NetBSD curses defines the symbols as a \fBwchar_t\fP within a \fBcchar_t\fP. -.bP -HPUX curses equates some of the \fIACS_\fP symbols -to the analogous \fIWACS_\fP symbols as if the \fIACS_\fP symbols were -wide characters. -The misdefined symbols are the arrows -and other symbols which are not used for line-drawing. +All these functions are described in the XSI Curses standard, Issue 4. +The defaults specified for forms-drawing characters apply in the POSIX locale. .PP -X/Open Curses does not define symbols for thick- or double-lines. -SVr4 curses implementations defined their line-drawing symbols in -terms of intermediate symbols. -This implementation extends those symbols, providing new definitions -which are not in the SVr4 implementations. +XSI documents constants beginning with \fBWACS_\fP which are used for +line-drawing. +Those are not currently implemented in \fBncurses\fP. .SH SEE ALSO .PP \fBcurses\fR(3X), @@ -222,3 +127,9 @@ which are not in the SVr4 implementations. \fBcurs_outopts\fR(3X), \fBcurs_refresh\fR(3X), \fBputwc\fR(3) +.\"# +.\"# The following sets edit modes for GNU EMACS +.\"# Local Variables: +.\"# mode:nroff +.\"# fill-column:79 +.\"# End: |