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-<H1>curs_kernel 3x</H1>
-<HR>
+<H1 class="no-header">curs_kernel 3x</H1>
<PRE>
-<!-- Manpage converted by man2html 3.0.1 -->
-<STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG> <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>
+<STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG> <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>
</PRE>
- <STRONG>def_prog_mode</STRONG>, <STRONG>def_shell_mode</STRONG>, <STRONG>reset_prog_mode</STRONG>,
- <STRONG>reset_shell_mode</STRONG>, <STRONG>resetty</STRONG>, <STRONG>savetty</STRONG>, <STRONG>getsyx</STRONG>, <STRONG>setsyx</STRONG>, <STRONG>ripof-</STRONG>
- <STRONG>fline</STRONG>, <STRONG>curs_set</STRONG>, <STRONG>napms</STRONG> - low-level <STRONG>curses</STRONG> routines
+<H2>
<a name="h2-NAME">NAME</a></H2><PRE>
+ <STRONG>def_prog_mode</STRONG>, <STRONG>def_shell_mode</STRONG>, <STRONG>reset_prog_mode</STRONG>,
+ <STRONG>reset_shell_mode</STRONG>, <STRONG>resetty</STRONG>, <STRONG>savetty</STRONG>, <STRONG>getsyx</STRONG>, <STRONG>setsyx</STRONG>,
+ <STRONG>ripoffline</STRONG>, <STRONG>curs_set</STRONG>, <STRONG>napms</STRONG> - low-level <STRONG>curses</STRONG> routines
</PRE>
+<H2>
<a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
<STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
<STRONG>int</STRONG> <STRONG>def_prog_mode(void);</STRONG>
</PRE>
-<H2>
DESCRIPTION</H2><PRE>
+<H2>
<a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
The following routines give low-level access to various
- <STRONG>curses</STRONG> capabilities. Theses routines typically are used
+ <STRONG>curses</STRONG> capabilities. These routines typically are used
inside library routines.
The <STRONG>def_prog_mode</STRONG> and <STRONG>def_shell_mode</STRONG> routines save the
current terminal modes as the "program" (in <STRONG>curses</STRONG>) or
- "shell" (not in <STRONG>curses</STRONG>) state for use by the
- <STRONG>reset_prog_mode</STRONG> and <STRONG>reset_shell_mode</STRONG> routines. This is
- done automatically by <STRONG>initscr</STRONG>. There is one such save
- area for each screen context allocated by <STRONG>newterm()</STRONG>.
+ "shell" (not in <STRONG>curses</STRONG>) state for use by the <STRONG>re-</STRONG>
+ <STRONG>set_prog_mode</STRONG> and <STRONG>reset_shell_mode</STRONG> routines. This is done
+ automatically by <STRONG>initscr</STRONG>. There is one such save area for
+ each screen context allocated by <STRONG>newterm()</STRONG>.
The <STRONG>reset_prog_mode</STRONG> and <STRONG>reset_shell_mode</STRONG> routines restore
the terminal to "program" (in <STRONG>curses</STRONG>) or "shell" (out of
The <STRONG>getsyx</STRONG> routine returns the current coordinates of the
virtual screen cursor in <EM>y</EM> and <EM>x</EM>. If <STRONG>leaveok</STRONG> is currently
<STRONG>TRUE</STRONG>, then <STRONG>-1</STRONG>,<STRONG>-1</STRONG> is returned. If lines have been removed
- from the top of the screen, using <STRONG>ripoffline</STRONG>, <EM>y</EM> and <EM>x</EM>
- include these lines; therefore, <EM>y</EM> and <EM>x</EM> should be used
- only as arguments for <STRONG>setsyx</STRONG>.
+ from the top of the screen, using <STRONG>ripoffline</STRONG>, <EM>y</EM> and <EM>x</EM> in-
+ clude these lines; therefore, <EM>y</EM> and <EM>x</EM> should be used only
+ as arguments for <STRONG>setsyx</STRONG>.
The <STRONG>setsyx</STRONG> routine sets the virtual screen cursor to <EM>y</EM>, <EM>x</EM>.
If <EM>y</EM> and <EM>x</EM> are both <STRONG>-1</STRONG>, then <STRONG>leaveok</STRONG> is set. The two rou-
- tines <STRONG>getsyx</STRONG> and <STRONG>setsyx</STRONG> are designed to be used by a
- library routine, which manipulates <STRONG>curses</STRONG> windows but does
+ tines <STRONG>getsyx</STRONG> and <STRONG>setsyx</STRONG> are designed to be used by a li-
+ brary routine, which manipulates <STRONG>curses</STRONG> windows but does
not want to change the current position of the program's
- cursor. The library routine would call <STRONG>getsyx</STRONG> at the
- beginning, do its manipulation of its own windows, do a
+ cursor. The library routine would call <STRONG>getsyx</STRONG> at the be-
+ ginning, do its manipulation of its own windows, do a
<STRONG>wnoutrefresh</STRONG> on its windows, call <STRONG>setsyx</STRONG>, and then call
<STRONG>doupdate</STRONG>.
- The <STRONG>ripoffline</STRONG> routine provides access to the same facil-
-
ity that <STRONG>slk_init</STRONG> [see <STRONG><A HREF="curs_slk.3x.html">curs_slk(3x)</A></STRONG>] uses to reduce the
+ The <STRONG>ripoffline</STRONG> routine provides access to the same facili-
+
ty that <STRONG>slk_init</STRONG> [see <STRONG><A HREF="curs_slk.3x.html">curs_slk(3x)</A></STRONG>] uses to reduce the
size of the screen. <STRONG>ripoffline</STRONG> must be called before
<STRONG>initscr</STRONG> or <STRONG>newterm</STRONG> is called. If <EM>line</EM> is positive, a line
is removed from the top of <STRONG>stdscr</STRONG>; if <EM>line</EM> is negative, a
<STRONG>ripoffline</STRONG> can be called up to five times before calling
<STRONG>initscr</STRONG> or <STRONG>newterm</STRONG>.
- The <STRONG>curs_set</STRONG> routine sets the cursor state is set to
- invisible, normal, or very visible for <STRONG>visibility</STRONG> equal to
- <STRONG>0</STRONG>, <STRONG>1</STRONG>, or <STRONG>2</STRONG> respectively. If the terminal supports the
- <EM>visibility</EM> requested, the previous <EM>cursor</EM> state is
- returned; otherwise, <STRONG>ERR</STRONG> is returned.
+ The <STRONG>curs_set</STRONG> routine sets the cursor state to invisible,
+ normal, or very visible for <STRONG>visibility</STRONG> equal to <STRONG>0</STRONG>, <STRONG>1</STRONG>, or <STRONG>2</STRONG>
+ respectively. If the terminal supports the <EM>visibility</EM> re-
+ quested, the previous <EM>cursor</EM> state is returned; otherwise,
+ <STRONG>ERR</STRONG> is returned.
The <STRONG>napms</STRONG> routine is used to sleep for <EM>ms</EM> milliseconds.
</PRE>
-<H2>RETURN VALUE</H2><PRE>
- Except for <STRONG>curs_set</STRONG>, these routines always return <STRONG>OK</STRONG>.
- <STRONG>curs_set</STRONG> returns the previous cursor state, or <STRONG>ERR</STRONG> if the
+<H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
+ Except for <STRONG>curs_set</STRONG>, these routines always return <STRONG>OK</STRONG>.
+
+ <STRONG>curs_set</STRONG> returns the previous cursor state, or <STRONG>ERR</STRONG> if the
requested <EM>visibility</EM> is not supported.
+ X/Open defines no error conditions. In this implementa-
+ tion
+
+ <STRONG>def_prog_mode</STRONG>, <STRONG>def_shell_mode</STRONG>, <STRONG>reset_prog_mode</STRONG>, <STRONG>re-</STRONG>
+ <STRONG>set_shell_mode</STRONG>
+ return an error if the terminal was not ini-
+ tialized, or if the I/O call to obtain the
+ terminal settings fails.
+
+ <STRONG>ripoffline</STRONG>
+ returns an error if the maximum number of
+ ripped-off lines exceeds the maximum (NRIPS =
+ 5).
+
</PRE>
- Note that <STRONG>getsyx</STRONG> is a macro, so <STRONG>&</STRONG> is not necessary before
+<H2>
<a name="h2-NOTES">NOTES</a></H2><PRE>
+ Note that <STRONG>getsyx</STRONG> is a macro, so <STRONG>&</STRONG> is not necessary before
the variables <EM>y</EM> and <EM>x</EM>.
- Older SVr4 man pages warn that the return value of
- <STRONG>curs_set</STRONG> "is currently incorrect". This implementation
- gets it right, but it may be unwise to count on the cor-
+ Older SVr4 man pages warn that the return value of
+ <STRONG>curs_set</STRONG> "is currently incorrect". This implementation
+ gets it right, but it may be unwise to count on the cor-
rectness of the return value anywhere else.
- Both ncurses and SVr4 will call <STRONG>curs_set</STRONG> in <STRONG>endwin</STRONG> if
- <STRONG>curs_set</STRONG> has been called to make the cursor other than
- normal, i.e., either invisible or very visible. There is
- no way for ncurses to determine the initial cursor state
+ Both ncurses and SVr4 will call <STRONG>curs_set</STRONG> in <STRONG>endwin</STRONG> if
+ <STRONG>curs_set</STRONG> has been called to make the cursor other than
+ normal, i.e., either invisible or very visible. There is
+ no way for ncurses to determine the initial cursor state
to restore that.
</PRE>
-<H2>
PORTABILITY</H2><PRE>
- The functions <STRONG>setsyx</STRONG> and <STRONG>getsyx</STRONG> are not described in the
- XSI Curses standard, Issue 4. All other functions are as
+<H2>
<a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
+ The functions <STRONG>setsyx</STRONG> and <STRONG>getsyx</STRONG> are not described in the
+ XSI Curses standard, Issue 4. All other functions are as
described in XSI Curses.
The SVr4 documentation describes <STRONG>setsyx</STRONG> and <STRONG>getsyx</STRONG> as hav-
- ing return type int. This is misleading, as they are
- macros with no documented semantics for the return value.
+ ing return type int. This is misleading, as they are
+ macros with no documented semantics for the return value.
</PRE>
-<H2>SEE ALSO</H2><PRE>
- <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>, <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>,
- <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>, <STRONG><A HREF="curs_scr_dump.3x.html">curs_scr_dump(3x)</A></STRONG>, <STRONG><A HREF="curs_slk.3x.html">curs_slk(3x)</A></STRONG>
+<H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
+ <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>, <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>, <STRONG>curs_re-</STRONG>
+ <STRONG><A HREF="curs_refresh.3x.html">fresh(3x)</A></STRONG>, <STRONG><A HREF="curs_scr_dump.3x.html">curs_scr_dump(3x)</A></STRONG>, <STRONG><A HREF="curs_slk.3x.html">curs_slk(3x)</A></STRONG>, <STRONG>curs_vari-</STRONG>
+ <STRONG><A HREF="curs_variables.3x.html">ables(3x)</A></STRONG>.
- <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>
+
<STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>
</PRE>
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+<div class="nav">
+<ul>
+<li><a href="#h2-NAME">NAME</a></li>
+<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
+<li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
+<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
+<li><a href="#h2-NOTES">NOTES</a></li>
+<li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
+<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
+</ul>
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