.\"***************************************************************************
-.\" Copyright (c) 1998-2015,2016 Free Software Foundation, Inc. *
+.\" Copyright (c) 1998-2016,2017 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 *
.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: curs_initscr.3x,v 1.25 2016/10/15 17:02:31 tom Exp $
+.\" $Id: curs_initscr.3x,v 1.28 2017/05/30 21:12:51 tom Exp $
.TH curs_initscr 3X ""
.de bP
.IP \(bu 4
\fBinitscr\fR is normally the first \fBcurses\fR routine to call when
initializing a program.
A few special routines sometimes need to be called before it;
-these are \fBslk_init\fR, \fBfilter\fR, \fBripoffline\fR,
+these are \fBslk_init\fR(3X), \fBfilter\fR, \fBripoffline\fR,
\fBuse_env\fR.
For multiple-terminal applications,
\fBnewterm\fR may be called before \fBinitscr\fR.
.PP
The initscr code determines the terminal type and initializes all \fBcurses\fR
data structures.
-\fBinitscr\fR also causes the first call to \fBrefresh\fR to clear the screen.
+\fBinitscr\fR also causes the first call to \fBrefresh\fR(3X) to clear the screen.
If errors occur, \fBinitscr\fR writes an appropriate error
message to standard error and exits;
otherwise, a pointer is returned to \fBstdscr\fR.
\fBcurses\fR mode temporarily.
This routine
.bP
-restores tty modes,
+resets colors to correspond with the default color pair 0,
.bP
-moves the cursor to the lower left-hand corner of the screen and
+moves the cursor to the lower left-hand corner of the screen,
.bP
-resets the terminal into
-the proper non-visual mode.
+clears the remainder of the line so that it uses the default colors,
+.bP
+sets the cursor to normal visibility (see \fBcurs_set\fP(3X)),
+.bP
+stops cursor-addressing mode using the \fIexit_ca_mode\fP terminal capability,
+.bP
+restores tty modes (see \fBreset_shell_mode\fP(3X)).
.PP
-Calling \fBrefresh\fR or \fBdoupdate\fR after a
+Calling \fBrefresh\fR(3X) or \fBdoupdate\fR(3X) after a
temporary escape causes the program to resume visual mode.
.SS isendwin
.PP
.bP
\fBset_term\fP
returns no error.
-.SH NOTES
-Note that \fBinitscr\fR and \fBnewterm\fR may be macros.
.SH PORTABILITY
These functions were described in the XSI Curses standard, Issue 4.
As of 2015, the current document is X/Open Curses, Issue 7.
Quoting from X/Open Curses, section 3.1.1:
.RS 5
.PP
-\fICurses implementations may provide for special handling of the SIGINT,
-SIGQUIT and SIGTSTP signals if their disposition is SIG_DFL at the time
+\fICurses implementations may provide for special handling of the \fBSIGINT\fP,
+\fBSIGQUIT\fP and \fBSIGTSTP\fP signals
+if their disposition is \fBSIG_DFL\fP at the time
\fBinitscr\fP is called \fP...
.PP
\fIAny special handling for these signals may remain in effect for the
It also updates the saved terminal modes with \fBdef_shell_mode\fP (see curs_kernel(3X)).
.TP 5
.B SIGWINCH
-This handles the window-size changes which were initially ignored in
+This handles the window-size changes which were ignored in
the standardization efforts.
The handler sets a (signal-safe) variable
which is later tested in \fBwgetch\fP (see curs_getch(3X)).