X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=doc%2Fhtml%2Fman%2Fncurses.3x.html;h=f060b652f2a0bd6a7858d55694765f5cc7c1fe52;hp=2382f1111a70664f4ff01057ef8bde1478b27a52;hb=6b4f5830b7910188b532d661f79775306715f67e;hpb=74137fec04e130a88ef25618cf730af988a4f51a diff --git a/doc/html/man/ncurses.3x.html b/doc/html/man/ncurses.3x.html index 2382f111..f060b652 100644 --- a/doc/html/man/ncurses.3x.html +++ b/doc/html/man/ncurses.3x.html @@ -1,7 +1,7 @@ @@ -59,7 +59,7 @@ method of updating character screens with reasonable optimization. This implementation is "new curses" (ncurses) and is the approved replacement for 4.4BSD classic curses, which has been discontinued. - This describes ncurses version 6.1 (patch 20180331). + This describes ncurses version 6.1 (patch 20190216). The ncurses library emulates the curses library of System V Release 4 UNIX, and XPG4 (X/Open Portability Guide) curses (also known as XSI @@ -640,7 +640,7 @@ use_env curs_util(3x) use_extended_names curs_extend(3x)* use_legacy_coding legacy_coding(3x)* - use_tioctl curs_util(3x) + use_tioctl curs_util(3x)* vid_attr curs_terminfo(3x) vid_puts curs_terminfo(3x) @@ -1156,24 +1156,45 @@ -lncursesw - You must also define _XOPEN_SOURCE_EXTENDED when compiling for the - wide-character library to use the extended (wide-character) func- - tions. The curses.h file which is installed for the wide-charac- - ter library is designed to be compatible with the normal library's - header. Only the size of the WINDOW structure differs, and very - few applications require more than a pointer to WINDOWs. If the - headers are installed allowing overwrite, the wide-character - library's headers should be installed last, to allow applications - to be built using either library from the same set of headers. + You must also enable the wide-character features in the header + file when compiling for the wide-character library to use the + extended (wide-character) functions. The symbol which enables + these features has changed since XSI Curses, Issue 4: + + o Originally, the wide-character feature required the symbol + _XOPEN_SOURCE_EXTENDED but that was only valid for XPG4 + (1996). + + o Later, that was deemed conflicting with _XOPEN_SOURCE defined + to 500. + + o As of mid-2018, none of the features in this implementation + require a _XOPEN_SOURCE feature greater than 600. However, + X/Open Curses, Issue 7 (2009) recommends defining it to 700. + + o Alternatively, you can enable the feature by defining + NCURSES_WIDECHAR with the caveat that some other header file + than curses.h may require a specific value for _XOPEN_SOURCE + (or a system-specific symbol). + + The curses.h file which is installed for the wide-character + library is designed to be compatible with the normal library's + header. Only the size of the WINDOW structure differs, and very + few applications require more than a pointer to WINDOWs. + + If the headers are installed allowing overwrite, the wide-charac- + ter library's headers should be installed last, to allow applica- + tions to be built using either library from the same set of head- + ers. --with-pthread - The configure script renames the library. All of the library - names have a "t" appended to them (before any "w" added by + The configure script renames the library. All of the library + names have a "t" appended to them (before any "w" added by --enable-widec). The global variables such as LINES are replaced by macros to allow read-only access. At the same time, setter-functions are provided - to set these values. Some applications (very few) may require + to set these values. Some applications (very few) may require changes to work with this convention. --with-shared @@ -1183,79 +1204,79 @@ --with-debug --with-profile - The shared and normal (static) library names differ by their suf- - fixes, e.g., libncurses.so and libncurses.a. The debug and pro- - filing libraries add a "_g" and a "_p" to the root names respec- + The shared and normal (static) library names differ by their suf- + fixes, e.g., libncurses.so and libncurses.a. The debug and pro- + filing libraries add a "_g" and a "_p" to the root names respec- tively, e.g., libncurses_g.a and libncurses_p.a. --with-trace - The trace function normally resides in the debug library, but it + The trace function normally resides in the debug library, but it is sometimes useful to configure this in the shared library. Con- - figure scripts should check for the function's existence rather + figure scripts should check for the function's existence rather than assuming it is always in the debug library.

FILES

        /usr/share/tabset
-            directory  containing  initialization files for the terminal capa-
+            directory containing initialization files for the  terminal  capa-
             bility database /usr/share/terminfo terminal capability database
 
 
 

SEE ALSO

-       terminfo(5) and related pages whose names begin  "curs_"  for  detailed
+       terminfo(5)  and  related  pages whose names begin "curs_" for detailed
        routine descriptions.
        curs_variables(3x)
        user_caps(5) for user-defined capabilities
 
 
 

EXTENSIONS

-       The  ncurses library can be compiled with an option (-DUSE_GETCAP) that
-       falls back to the old-style /etc/termcap file  if  the  terminal  setup
-       code  cannot  find a terminfo entry corresponding to TERM.  Use of this
-       feature is not recommended, as it essentially includes an entire  term-
-       cap  compiler  in the ncurses startup code, at significant cost in core
+       The ncurses library can be compiled with an option (-DUSE_GETCAP)  that
+       falls  back  to  the  old-style /etc/termcap file if the terminal setup
+       code cannot find a terminfo entry corresponding to TERM.  Use  of  this
+       feature  is not recommended, as it essentially includes an entire term-
+       cap compiler in the ncurses startup code, at significant cost  in  core
        and startup cycles.
 
-       The ncurses library includes facilities for capturing mouse  events  on
-       certain  terminals  (including  xterm).   See the curs_mouse(3x) manual
+       The  ncurses  library includes facilities for capturing mouse events on
+       certain terminals (including xterm).   See  the  curs_mouse(3x)  manual
        page for details.
 
        The ncurses library includes facilities for responding to window resiz-
        ing events, e.g., when running in an xterm.  See the resizeterm(3x) and
-       wresize(3x) manual pages for details.  In addition, the library may  be
+       wresize(3x)  manual pages for details.  In addition, the library may be
        configured with a SIGWINCH handler.
 
-       The  ncurses library extends the fixed set of function key capabilities
-       of terminals by allowing the application designer to define  additional
-       key  sequences at runtime.  See the define_key(3x) key_defined(3x), and
+       The ncurses library extends the fixed set of function key  capabilities
+       of  terminals by allowing the application designer to define additional
+       key sequences at runtime.  See the define_key(3x) key_defined(3x),  and
        keyok(3x) manual pages for details.
 
-       The ncurses library can exploit the  capabilities  of  terminals  which
-       implement  the  ISO-6429  SGR  39  and  SGR 49 controls, which allow an
-       application to reset the terminal to its original foreground and  back-
+       The  ncurses  library  can  exploit the capabilities of terminals which
+       implement the ISO-6429 SGR 39 and  SGR  49  controls,  which  allow  an
+       application  to reset the terminal to its original foreground and back-
        ground colors.  From the users' perspective, the application is able to
-       draw colored text on a background whose  color  is  set  independently,
-       providing  better  control  over color contrasts.  See the default_col-
+       draw  colored  text  on  a background whose color is set independently,
+       providing better control over color contrasts.   See  the  default_col-
        ors(3x) manual page for details.
 
-       The ncurses library includes a function for directing application  out-
-       put   to   a   printer  attached  to  the  terminal  device.   See  the
+       The  ncurses library includes a function for directing application out-
+       put  to  a  printer  attached  to  the  terminal   device.    See   the
        curs_print(3x) manual page for details.
 
 
 

PORTABILITY

-       The ncurses library is intended to be BASE-level  conformant  with  XSI
-       Curses.   The  EXTENDED  XSI Curses functionality (including color sup-
+       The  ncurses  library  is intended to be BASE-level conformant with XSI
+       Curses.  The EXTENDED XSI Curses functionality  (including  color  sup-
        port) is supported.
 
-       A small number of local differences (that  is,  individual  differences
-       between  the XSI Curses and ncurses calls) are described in PORTABILITY
+       A  small  number  of local differences (that is, individual differences
+       between the XSI Curses and ncurses calls) are described in  PORTABILITY
        sections of the library man pages.
 
        Unlike other implementations, this one checks parameters such as point-
-       ers  to WINDOW structures to ensure they are not null.  The main reason
-       for providing this behavior is to guard against programmer error.   The
-       standard  interface  does  not provide a way for the library to tell an
+       ers to WINDOW structures to ensure they are not null.  The main  reason
+       for  providing this behavior is to guard against programmer error.  The
+       standard interface does not provide a way for the library  to  tell  an
        application which of several possible errors were detected.  Relying on
        this (or some other) extension will adversely affect the portability of
        curses applications.
@@ -1265,15 +1286,15 @@
        o   The routine has_key is not part of XPG4, nor is it present in SVr4.
            See the curs_getch(3x) manual page for details.
 
-       o   The  routine  slk_attr  is  not  part of XPG4, nor is it present in
+       o   The routine slk_attr is not part of XPG4,  nor  is  it  present  in
            SVr4.  See the curs_slk(3x) manual page for details.
 
-       o   The routines getmouse, mousemask,  ungetmouse,  mouseinterval,  and
-           wenclose  relating  to  mouse interfacing are not part of XPG4, nor
-           are they present in SVr4.  See the curs_mouse(3x) manual  page  for
+       o   The  routines  getmouse,  mousemask, ungetmouse, mouseinterval, and
+           wenclose relating to mouse interfacing are not part  of  XPG4,  nor
+           are  they  present in SVr4.  See the curs_mouse(3x) manual page for
            details.
 
-       o   The  routine  mcprint was not present in any previous curses imple-
+       o   The routine mcprint was not present in any previous  curses  imple-
            mentation.  See the curs_print(3x) manual page for details.
 
        o   The routine wresize is not part of XPG4, nor is it present in SVr4.
@@ -1283,28 +1304,28 @@
            tion programs.  See curs_opaque(3x) for the discussion of is_scrol-
            lok, etc.
 
-       o   This  implementation  can be configured to provide rudimentary sup-
-           port for multi-threaded  applications.   See  curs_threads(3x)  for
+       o   This implementation can be configured to provide  rudimentary  sup-
+           port  for  multi-threaded  applications.   See curs_threads(3x) for
            details.
 
-       o   This  implementation  can  also  be  configured to provide a set of
-           functions which improve the ability  to  manage  multiple  screens.
+       o   This implementation can also be configured  to  provide  a  set  of
+           functions  which  improve  the  ability to manage multiple screens.
            See curs_sp_funcs(3x) for details.
 
-       In  historic  curses  versions, delays embedded in the capabilities cr,
-       ind, cub1, ff and tab activated corresponding delay bits  in  the  UNIX
+       In historic curses versions, delays embedded in  the  capabilities  cr,
+       ind,  cub1,  ff  and tab activated corresponding delay bits in the UNIX
        tty driver.  In this implementation, all padding is done by sending NUL
-       bytes.  This method is slightly more expensive, but narrows the  inter-
-       face  to  the  UNIX  kernel  significantly  and increases the package's
+       bytes.   This method is slightly more expensive, but narrows the inter-
+       face to the UNIX  kernel  significantly  and  increases  the  package's
        portability correspondingly.
 
 
 

NOTES

-       The header file <curses.h>  automatically  includes  the  header  files
+       The  header  file  <curses.h>  automatically  includes the header files
        <stdio.h> and <unctrl.h>.
 
-       If  standard  output from a ncurses program is re-directed to something
-       which is not a tty, screen updates will be directed to standard  error.
+       If standard output from a ncurses program is re-directed  to  something
+       which  is not a tty, screen updates will be directed to standard error.
        This was an undocumented feature of AT&T System V Release 3 curses.