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ANNOUNCE	13.428 KB	-rw-r--r--	2011-04-04 09:46	R E G D
AUTHORS	2.47 KB	-rw-r--r--	2006-10-28 21:44	R E G D
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README	9.973 KB	-rw-r--r--	2024-05-17 07:51	R E G D
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Announcing ncurses 5.9 The ncurses (new curses) library is a free software emulation of curses in System V Release 4.0, and more. It uses terminfo format, supports pads and color and multiple highlights and forms characters and function-key mapping, and has all the other SYSV-curses enhancements over BSD curses. In mid-June 1995, the maintainer of 4.4BSD curses declared that he considered 4.4BSD curses obsolete, and encouraged the keepers of Unix releases such as BSD/OS, FreeBSD and NetBSD to switch over to ncurses. The ncurses code was developed under GNU/Linux. It has been in use for some time with OpenBSD as the system curses library, and on FreeBSD and NetBSD as an external package. It should port easily to any ANSI/POSIX-conforming UNIX. It has even been ported to OS/2 Warp! The distribution includes the library and support utilities, including a terminfo compiler tic(1), a decompiler infocmp(1), clear(1), tput(1), tset(1), and a termcap conversion tool captoinfo(1). Full manual pages are provided for the library and tools. The ncurses distribution is available via anonymous FTP at the GNU distribution site [1]ftp://ftp.gnu.org/gnu/ncurses/ . It is also available at [2]ftp://invisible-island.net/ncurses/ . Release Notes This release is designed to be upward compatible from ncurses 5.0 through 5.8; very few applications will require recompilation, depending on the platform. These are the highlights from the change-log since ncurses 5.8 release. This is a bug-fix release, correcting a small number of urgent problems in the ncurses library from the 5.8 release. It also improves the Ada95 binding: * fixes a longstanding portability problem with its use of the [3]set_field_type function. Because that function uses variable-length argument lists, its interface with gnat does not work with certain platforms. * improves configurability and portability, particularly when built separately from the main ncurses tree. The 5.8 release introduced scripts which can be used to construct separate tarballs for the Ada95 and ncurses examples. Those were a proof of concept. For the 5.9 release, those scripts are augmented with rpm- and dpkg-scripts used in test builds against a variety of gnat- and system ncurses versions as old as gnat 3.15 and ncurses 5.4 (see snapshots and systems tested [4]here. * additional improvements were made for portability of the ncurses examples, adding rpm- and dpkg-scripts for test-builds. See [5]this page for snapshots and other information. Features of Ncurses The ncurses package is fully compatible with SVr4 (System V Release 4) curses: * All 257 of the SVr4 calls have been implemented (and are documented). * Full support for SVr4 curses features including keyboard mapping, color, forms-drawing with ACS characters, and automatic recognition of keypad and function keys. * An emulation of the SVr4 panels library, supporting a stack of windows with backing store, is included. * An emulation of the SVr4 menus library, supporting a uniform but flexible interface for menu programming, is included. * An emulation of the SVr4 form library, supporting data collection through on-screen forms, is included. * Binary terminfo entries generated by the ncurses tic(1) implementation are bit-for-bit-compatible with the entry format SVr4 curses uses. * The utilities have options to allow you to filter terminfo entries for use with less capable curses/terminfo versions such as the HP/UX and AIX ports. The ncurses package also has many useful extensions over SVr4: * The API is 8-bit clean and base-level conformant with the X/OPEN curses specification, XSI curses (that is, it implements all BASE level features, and most EXTENDED features). It includes many function calls not supported under SVr4 curses (but portability of all calls is documented so you can use the SVr4 subset only). * Unlike SVr3 curses, ncurses can write to the rightmost-bottommost corner of the screen if your terminal has an insert-character capability. * Ada95 and C++ bindings. * Support for mouse event reporting with X Window xterm and FreeBSD and OS/2 console windows. * Extended mouse support via Alessandro Rubini's gpm package. * The function wresize allows you to resize windows, preserving their data. * The function use_default_colors allows you to use the terminal's default colors for the default color pair, achieving the effect of transparent colors. * The functions keyok and define_key allow you to better control the use of function keys, e.g., disabling the ncurses KEY_MOUSE, or by defining more than one control sequence to map to a given key code. * Support for 256-color terminals, such as modern xterm, when configured using the --enable-ext-colors option. * Support for 16-color terminals, such as aixterm and modern xterm. * Better cursor-movement optimization. The package now features a cursor-local-movement computation more efficient than either BSD's or System V's. * Super hardware scrolling support. The screen-update code incorporates a novel, simple, and cheap algorithm that enables it to make optimal use of hardware scrolling, line-insertion, and line-deletion for screen-line movements. This algorithm is more powerful than the 4.4BSD curses quickch routine. * Real support for terminals with the magic-cookie glitch. The screen-update code will refrain from drawing a highlight if the magic- cookie unattributed spaces required just before the beginning and after the end would step on a non-space character. It will automatically shift highlight boundaries when doing so would make it possible to draw the highlight without changing the visual appearance of the screen. * It is possible to generate the library with a list of pre-loaded fallback entries linked to it so that it can serve those terminal types even when no terminfo tree or termcap file is accessible (this may be useful for support of screen-oriented programs that must run in single-user mode). * The tic(1)/captoinfo utility provided with ncurses has the ability to translate many termcaps from the XENIX, IBM and AT&T extension sets. * A BSD-like tset(1) utility is provided. * The ncurses library and utilities will automatically read terminfo entries from $HOME/.terminfo if it exists, and compile to that directory if it exists and the user has no write access to the system directory. This feature makes it easier for users to have personal terminfo entries without giving up access to the system terminfo directory. * You may specify a path of directories to search for compiled descriptions with the environment variable TERMINFO_DIRS (this generalizes the feature provided by TERMINFO under stock System V.) * In terminfo source files, use capabilities may refer not just to other entries in the same source file (as in System V) but also to compiled entries in either the system terminfo directory or the user's $HOME/.terminfo directory. * A script (capconvert) is provided to help BSD users transition from termcap to terminfo. It gathers the information in a TERMCAP environment variable and/or a ~/.termcap local entries file and converts it to an equivalent local terminfo tree under $HOME/.terminfo. * Automatic fallback to the /etc/termcap file can be compiled in when it is not possible to build a terminfo tree. This feature is neither fast nor cheap, you don't want to use it unless you have to, but it's there. * The table-of-entries utility toe makes it easy for users to see exactly what terminal types are available on the system. * The library meets the XSI requirement that every macro entry point have a corresponding function which may be linked (and will be prototype-checked) if the macro definition is disabled with #undef. * An HTML "Introduction to Programming with NCURSES" document provides a narrative introduction to the curses programming interface. State of the Package Numerous bugs present in earlier versions have been fixed; the library is far more reliable than it used to be. Bounds checking in many `dangerous' entry points has been improved. The code is now type-safe according to gcc -Wall. The library has been checked for malloc leaks and arena corruption by the Purify memory-allocation tester. The ncurses code has been tested with a wide variety of applications including (versions starting with those noted): cdk Curses Development Kit [6]http://invisible-island.net/cdk/ [7]http://www.vexus.ca/products/CDK/ ded directory-editor [8]http://invisible-island.net/ded/ dialog the underlying application used in Slackware's setup, and the basis for similar applications on GNU/Linux. [9]http://invisible-island.net/dialog/ lynx the character-screen WWW browser [10]http://lynx.isc.org/release/ Midnight Commander file manager [11]http://www.midnight-commander.org/ mutt mail utility [12]http://www.mutt.org/ ncftp file-transfer utility [13]http://www.ncftp.com/ nvi New vi versions 1.50 are able to use ncurses versions 1.9.7 and later. [14]https://sites.google.com/a/bostic.com/keithbostic/nvi pinfo Lynx-like info browser. [15]https://alioth.debian.org/projects/pinfo/ tin newsreader, supporting color, MIME [16]http://www.tin.org/ as well as some that use ncurses for the terminfo support alone: minicom terminal emulator [17]http://alioth.debian.org/projects/minicom/ vile vi-like-emacs [18]http://invisible-island.net/vile/ The ncurses distribution includes a selection of test programs (including a few games). Who's Who and What's What Zeyd Ben-Halim started it from a previous package pcurses, written by Pavel Curtis. Eric S. Raymond continued development. Juergen Pfeifer wrote most of the form and menu libraries. Ongoing work is being done by [19]Thomas Dickey. Thomas Dickey acts as the maintainer for the Free Software Foundation, which holds the copyright on ncurses. Contact the current maintainers at [20]bug-ncurses@gnu.org. To join the ncurses mailing list, please write email to bug-ncurses-request@gnu.org containing the line: subscribe @ This list is open to anyone interested in helping with the development and testing of this package. Beta versions of ncurses and patches to the current release are made available at [21]ftp://invisible-island.net/ncurses/ . Future Plans * Extended-level XPG4 conformance, with internationalization support. * Ports to more systems, including DOS and Windows. We need people to help with these projects. If you are interested in working on them, please join the ncurses list. Other Related Resources The distribution provides a newer version of the terminfo-format terminal description file once maintained by [22]Eric Raymond . Unlike the older version, the termcap and terminfo data are provided in the same file, and provides several user-definable extensions beyond the X/Open specification. You can find lots of information on terminal-related topics not covered in the terminfo file at [23]Richard Shuford's archive . References 1. ftp://ftp.gnu.org/gnu/ncurses/ 2. ftp://invisible-island.net/ncurses/ 3. http://invisible-island.net/ncurses/man/form_fieldtype.3x 4. http://invisible-island.net/ncurses/ncurses-Ada95.html 5. http://invisible-island.net/ncurses/ncurses-examples.html 6. http://invisible-island.net/cdk/ 7. http://www.vexus.ca/products/CDK/ 8. http://invisible-island.net/ded/ 9. http://invisible-island.net/dialog/ 10. http://lynx.isc.org/release/ 11. http://www.midnight-commander.org/ 12. http://www.mutt.org/ 13. http://www.ncftp.com/ 14. https://sites.google.com/a/bostic.com/keithbostic/nvi 15. https://alioth.debian.org/projects/pinfo/ 16. http://www.tin.org/ 17. http://alioth.debian.org/projects/minicom/ 18. http://invisible-island.net/vile/ 19. mailto:dickey@invisible-island.net 20. mailto:bug-ncurses@gnu.org 21. ftp://invisible-island.net/ncurses/ 22. http://www.catb.org/~esr/terminfo/ 23. http://web.archive.org/web/*/http://www.cs.utk.edu/~shuford/terminal