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'\" te .\" Copyright (c) 1990, 1995 by Mortice Kern Systems Inc. All rights reserved. .\" Portions Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved. .TH vidattr 3XCURSES "5 Jun 2002" "Oracle Solaris 11.4" "X/Open Curses Library Functions" .SH NAME vidattr, vid_attr, vidputs, vid_puts \- output attributes to the terminal .SH SYNOPSIS .LP .nf \fBcc\fR [ \fIflag\fR... ] \fIfile\fR... \fB-I\fR /usr/xpg4/include \fB-L\fR /usr/xpg4/lib \e \fB-R\fR /usr/xpg4/lib \fB-lcurses\fR [ \fIlibrary\fR... ] \fBc89\fR [ \fIflag\fR... ] \fIfile\fR... \fB-lcurses\fR [ \fIlibrary\fR... ] #include <curses.h> \fBint\fR \fBvidattr\fR(\fBchtype\fR \fIattr\fR); .fi .LP .nf \fBint\fR \fBvid_attr\fR(\fBattr_t\fR \fIattr\fR, \fBshort\fR \fIcolor_pair_number\fR, \fBvoid *\fR\fIopt\fR); .fi .LP .nf \fBint\fR \fBvidputs\fR(\fBchtype\fR \fIattr\fR, \fBint (*\fR\fIputfunc\fR) (int)); .fi .LP .nf \fBint\fR \fBvid_puts\fR(\fBattr_t\fR \fIattr\fR, \fBshort\fR \fIcolor_pair_number\fR, \fBvoid *\fR\fIopt\fR, \fBint (*\fR\fIputfunc\fR) (int)); .fi .SH PARAMETERS .sp .ne 2 .mk .na \fB\fIattr\fR\fR .ad .RS 21n .rt Is the rendition of the foreground window. .RE .sp .ne 2 .mk .na \fB\fIcolor_pair_number\fR\fR .ad .RS 21n .rt Is a color pair. .RE .sp .ne 2 .mk .na \fB\fIopt\fR\fR .ad .RS 21n .rt Is reserved for future use. Currently, this must be a null pointer. .RE .sp .ne 2 .mk .na \fB\fIputfunc\fR\fR .ad .RS 21n .rt Is a user-supplied output function. .RE .SH DESCRIPTION .sp .LP These functions output commands to the terminal that change the terminal's attributes. .sp .LP If the \fBterminfo\fR database indicates that the terminal in use can display characters in the rendition specified by \fIattr\fR, then \fBvidattr()\fR outputs one or more commands to request that the terminal display subsequent characters in that rendition. The function outputs by calling \fBputchar\fR(3C). The \fBvidattr()\fR function neither relies on your updates the model which Curses maintains of the prior rendition mode. .sp .LP The \fBvidputs()\fR function computes the terminal output string that \fBvidattr()\fR does, based on \fIattr\fR, but \fBvidputs()\fR outputs by calling the user-supplied function \fIputfunc\fR. The \fBvid_attr()\fR and \fBvid_puts()\fR functions correspond to \fBvidattr()\fR and \fBvidputs()\fR respectively, but take a set of arguments, one of type \fBattr_t\fR for the attributes, one of type \fBshort\fR for the color pair number, and a \fBvoid *\fR, and thus support the attribute constants with the \fBWA_\fR prefix. .sp .LP The \fIopts\fR argument is reserved for definition in a future release. Currently, it is implemented as a null pointer. .sp .LP The user-supplied function \fIputfunc\fR (which can be specified as an argument to either \fBvidputs()\fR or \fBvid_puts()\fR) is either \fBputchar()\fR or some other function with the same prototype. Both the \fBvidputs()\fR and \fBvid_puts()\fR functions ignore the return value of \fIputfunc\fR. .SH RETURN VALUES .sp .LP Upon successful completion, these functions return \fBOK\fR. Otherwise, they return \fBERR\fR. .SH ERRORS .sp .LP No errors are defined. .SH USAGE .sp .LP After use of any of these functions, the model Curses maintains of the state of the terminal might not match the actual state of the terminal. The application should touch and refresh the window before resuming conventional use of Curses. .sp .LP Of these functions requires that the application contain so much information about a particular class of terminal that it defeats the purpose of using Curses. .sp .LP On some terminals, a command to change rendition conceptually occupies space in the screen buffer (with or without width). Thus, a command to set the terminal to a new rendition would change the rendition of some characters already displayed. .SH ATTRIBUTES .sp .LP See \fBattributes\fR(7) for descriptions of the following attributes: .sp .TS tab( ) box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) . ATTRIBUTE TYPE ATTRIBUTE VALUE _ Interface Stability Committed _ MT-Level Unsafe _ Standard See \fBstandards\fR(7). .TE .sp .SH SEE ALSO .sp .LP \fBputchar\fR(3C), \fBdoupdate\fR(3XCURSES), \fBis_linetouched\fR(3XCURSES), \fBlibcurses\fR(3XCURSES), \fBtigetflag\fR(3XCURSES), \fBattributes\fR(7), \fBstandards\fR(7)