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- * @Id: curs_inopts.3x,v 1.68 2024/05/25 20:41:48 tom Exp @
+ * @Id: curs_inopts.3x,v 1.70 2024/06/01 22:28:41 tom Exp @
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-<H1 class="no-header">curs_inopts 3x 2024-05-25 ncurses 6.5 Library calls</H1>
+<H1 class="no-header">curs_inopts 3x 2024-06-01 ncurses 6.5 Library calls</H1>
<PRE>
<STRONG><A HREF="curs_inopts.3x.html">curs_inopts(3x)</A></STRONG> Library calls <STRONG><A HREF="curs_inopts.3x.html">curs_inopts(3x)</A></STRONG>
control characters uninterpreted to the application, instead of
generating a signal or acting on I/O flow. The behavior of the
terminal's "Break" key (if any) depends on terminal driver
- configuration parameters that <EM>curses</EM> does not handle. <STRONG>noraw</STRONG> exits raw
- mode.
+ configuration parameters that <EM>curses</EM> does not handle. <STRONG>noraw</STRONG> returns
+ the terminal to normal ("cooked") mode.
</PRE><H3><a name="h3-timeout_wtimeout">timeout, wtimeout</a></H3><PRE>
<STRONG><A HREF="tic.1m.html">tic(1)</A></STRONG>, then <EM>ncurses</EM> also defines keys for the capabilities whose names
begin with "k". Corresponding key codes are generated and (depending
on previous loads of terminal descriptions) may differ from one
- execution of a program to the next. The generated keycodes are
- recognized by the <STRONG><A HREF="curs_util.3x.html">keyname(3x)</A></STRONG> function (which then returns a name
- beginning with "k" denoting the <EM>terminfo</EM> capability name rather than
- "K", used for <EM>curses</EM> key names). On the other hand, an application can
- use <STRONG><A HREF="define_key.3x.html">define_key(3x)</A></STRONG> to bind a specific key to a string of the
- programmer's choice. This feature enables an application to check for
- an extended capability's presence with <STRONG><A HREF="curs_terminfo.3x.html">tigetstr(3x)</A></STRONG>, and reassign the
- keycode to match its own needs.
+ execution of a program to the next. The generated key codes are
+ recognized by <STRONG><A HREF="curs_util.3x.html">keyname(3x)</A></STRONG>, which then returns a name beginning with "k"
+ denoting the <EM>terminfo</EM> capability name rather than "K", used for <EM>curses</EM>
+ key names. On the other hand, an application can use <STRONG><A HREF="define_key.3x.html">define_key(3x)</A></STRONG> to
+ bind a specific key to a string of the programmer's choice. This
+ feature enables an application to check for its presence with
+ <STRONG><A HREF="curs_terminfo.3x.html">tigetstr(3x)</A></STRONG>, and reassign the key code to match its own needs.
Low-level applications can use <STRONG><A HREF="curs_terminfo.3x.html">tigetstr(3x)</A></STRONG> to obtain the definition of
- any string capability. <EM>curses</EM> applications use the input character
+ any string capability. <EM>curses</EM> applications use the input character
reading function to obtain key codes from input and rely upon the order
- in which the string capabilities are loaded. Multiple key capability
- strings can have the same value, but the input character reading
- function can report only one key code. Most <EM>curses</EM> implementations
- (including <EM>ncurses</EM>) load key definitions in the order they appear in
+ in which the string capabilities are loaded. Multiple key capability
+ strings can have the same value, but the input character reading
+ function can report only one key code. Most <EM>curses</EM> implementations
+ (including <EM>ncurses</EM>) load key definitions in the order they appear in
the <STRONG>strfnames</STRONG> array of string capability names; see <STRONG><A HREF="term_variables.3x.html">term_variables(3x)</A></STRONG>.
- The last capability read using a particular definition determines the
- key code to be reported. In <EM>ncurses</EM>, extended capabilities can be
- interpreted as key definitions. These are loaded after the predefined
- keys, and if a capability's value is the same as a previously loaded
+ The last capability read using a particular definition determines the
+ key code to be reported. In <EM>ncurses</EM>, extended capabilities can be
+ interpreted as key definitions. These are loaded after the predefined
+ keys, and if a capability's value is the same as a previously loaded
key definition, the later definition is the one used.
support it with <EM>cbreak</EM>, <EM>nocbreak</EM>, <EM>intrflush</EM>, <EM>keypad</EM>, <EM>meta</EM>, <EM>nodelay</EM>, and
<EM>typeahead</EM>.
- SVr3 (1987) added <EM>halfdelay</EM>, <EM>notimeout</EM>, and <EM>wtimeout</EM>. <EM>qiflush</EM> and
- <EM>noqiflush</EM> appeared in SVr3.1 (1987), at which point <EM>intrflush</EM> became a
- wrapper for either of these functions, depending on the value of its
+ SVr3 (1987) added <EM>halfdelay</EM>, <EM>notimeout</EM>, and <EM>wtimeout</EM>. <EM>qiflush</EM> and
+ <EM>noqiflush</EM> appeared in SVr3.1 (1987), at which point <EM>intrflush</EM> became a
+ wrapper for either of these functions, depending on the value of its
Boolean argument. SVr3.1 also added <EM>timeout</EM>.
<EM>ncurses</EM> 6.5 (2024) introduced <EM>is</EM><STRONG>_</STRONG><EM>cbreak</EM>, <EM>is</EM><STRONG>_</STRONG><EM>echo</EM>, <EM>is</EM><STRONG>_</STRONG><EM>nl</EM>, and <EM>is</EM><STRONG>_</STRONG><EM>raw</EM>.
- Formerly, <EM>ncurses</EM> used <EM>nl</EM> and <EM>nonl</EM> to control the conversion of
- newlines to carriage return/line feed on output as well as input.
- X/Open Curses documents the use of these functions only for input.
- This difference arose from converting the <EM>pcurses</EM> source (1986), which
- used <STRONG>ioctl(2)</STRONG> calls and the <EM>sgttyb</EM> structure, to <EM>termios</EM> (the POSIX
- terminal API). In the former, both input and output were controlled
+ Formerly, <EM>ncurses</EM> used <EM>nl</EM> and <EM>nonl</EM> to control the conversion of
+ newlines to carriage return/line feed on output as well as input.
+ X/Open Curses documents the use of these functions only for input.
+ This difference arose from converting the <EM>pcurses</EM> source (1986), which
+ used <STRONG>ioctl(2)</STRONG> calls and the <EM>sgttyb</EM> structure, to <EM>termios</EM> (the POSIX
+ terminal API). In the former, both input and output were controlled
via a single option "CRMOD", while the latter separates these features.
- Because that conversion interferes with output optimization, <EM>ncurses</EM>
+ Because that conversion interferes with output optimization, <EM>ncurses</EM>
6.2 (2020) amended <EM>nl</EM> and <EM>nonl</EM> to eliminate their effect on output.
</PRE><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_getch.3x.html">curs_getch(3x)</A></STRONG>, <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>, <STRONG><A HREF="curs_util.3x.html">curs_util(3x)</A></STRONG>,
+ <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>,
<STRONG><A HREF="curs_getch.3x.html">curs_getch(3x)</A></STRONG>, <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>, <STRONG><A HREF="curs_util.3x.html">curs_util(3x)</A></STRONG>,
<STRONG><A HREF="define_key.3x.html">define_key(3x)</A></STRONG>, <STRONG><A HREF="term_variables.3x.html">term_variables(3x)</A></STRONG>, <STRONG>termios(3)</STRONG>
-ncurses 6.5 2024-0
5-25 <STRONG><A HREF="curs_inopts.3x.html">curs_inopts(3x)</A></STRONG>
+ncurses 6.5 2024-0
6-01 <STRONG><A HREF="curs_inopts.3x.html">curs_inopts(3x)</A></STRONG>
</PRE>
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