446 lines
17 KiB
Plaintext
446 lines
17 KiB
Plaintext
02/02/99 Release 3.99.4
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-----------------------
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Mains changes/modifications since 3.99.3 are:
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* Works on Windows too (need some more testing, since this is
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far form perfect)
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* A console mode (which is used by default on Windows, but can
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be used with the -console option on Unix)
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* A new editor with Scheme fontification and indentation
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* New kind of ports: virtual ports
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* All the code dealing with files has been rewritten.
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* As usual, some bug corrections
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09/30/98 Release 3.99.3
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-----------------------
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Mains changes/modifications since 3.99.2 are:
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* Tk level is 8.0.3 (the latest stable Tk release)
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* New STklos Classes:
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+ <Hierarchy-tree> and <Hierarchy-item> to draw
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hierarchy such as files/directories, class/metaclasses ...
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+ <Notepad> to define ... notepads
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+ <Scheme-text> which extends <Text> to "font-lockify"
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Scheme buffers
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* Method and generic function editor
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* A class browser (type "(class-browser)" to access it)
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* some new manual pages
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* Base64 Encoding/Decoding extension
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* Locale extension to treat strings and character using locale information
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* Better installation scripts (+ some corrections)
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* Bug corrections
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06/09/98 Release 3.99.2
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-----------------------
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This is mainly a bug correcting release
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Otherwise:
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* Can be compiled on AIX
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* a new script file "stk-genmake" file can be used to build a
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Makefile for extensions. It constructs a Makefile which uses
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exactly the same options and compiler that was used to
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build the interpreter.
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* New function: write* to write cirular structures (rad has been
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updated for reading such structures -- and format for writing them
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too)
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* Better HTML support
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* New STklos slot allocation scheme: :EACH-CLASS
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04/27/98 Release 3.99.1
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-----------------------
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Mainly minor correction to 3.99.0 (installation problems principally)
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Otherwise:
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* Inclusion of the Metaclass init-keywords patch from J-M Kubek
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<kubek@insa-tlse.fr>, which allows to initialize some slots of
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a class when declaring it.
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* Tk widgets can be initailized at creation time, even if they
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are disabled (idea from Walter C. Pelissero
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<wcp@luppolo.lpds.sublink.org>
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04/10/98 Release 3.99.0
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-----------------------
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This is the pre-4.0 release. Why is is not called 4.0? Good question.
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This version would have been numbered 4.0 if there was not a so long
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time between this release and the previous one. Since I take so long
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to release, I had time to add a lot of things to my "TODO list".
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And this version misses some things that I consider important (even if
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not visible form outside) to be called 4.0. Furthermore, ther is a big
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absent since last release which is the port on Windows. The real 4.0
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will have support for Windows.
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Here are the main visible changes from previous release:
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About Scheme
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* A module system has been added
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* Integration of the Bigloo MATCH-CASE and MATCH-LAMBDA
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primitives. Furthermore, the file bigloo.stk provides
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some compatibility between STk and bigloo modules.
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* A simple FFI has been added. It allows to access C
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functions without writing C code (works only on a
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limited set of architectures for now).
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* integrates the R5RS VALUES and CALL-WITH-VALUES
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* multi-line comments have been added.
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* The "-file" interpreter option is no more necessary
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* Display of the prompt and of the eval result in the
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REPL are now user definable.
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* report-error mechanism has been enhanced a lot (work
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is not completely achieved).
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* new-primitives: append!, last-pair, C-string->string,
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remove-file, rename-file, temporary-file-name, ...
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* Numerous bug corrections
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* ...
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About Tk
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* Integration of the Tk8.0 toolkit
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* The old inspector has been adapted to work with
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current release (not completely, but sufficiently
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while the new version is terminated)
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* Buttons, Checkbuttons and Radiobuttons can use a
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:variable and :textvariable in a given environment.
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This environment is given with the new :environment
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option.
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* New metaclass: <Tk-composite-toplevel>. This is
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identical to the class <Tk-composite-widget>, except
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that the widhet lives in its own toplevel window.
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* make-image simplifies the usage of Tk images and uses
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a cache, to speed-up access to already used images.
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* The little square window, which used to appear as soon
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as STk was launched, appears now only when the first
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widget is mapped on screen.
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* ...
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About STklos
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* The MOP of STklos is now very similar to the CLOS one.
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Here are some of the new features:
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o when a slot does not exists, the gf slot-missing
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is called
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o when a unbound slot is read, the gf slot-unbound
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is called
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o new generic functions slot-ref-using-class,
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slot-set-using-class, slot-bound-using-class?,
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slot-exists-using-class?, slot-definition-name,
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slot-definition-options,
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slot-definition-allocation,
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slot-definition-getter, slot-definition-setter,
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slot-definition-accessor, generic-function-name,
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generic-function-methods,
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method-generic-function, method-specializers
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method-procedure, remove-method
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change-object-class
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* When a class is redefined, the instances and methods which uses it
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are redefined accordingly, as in CLOS (i.e. if you add a slot in a
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class, all its -- direct or indirect -- instances will have the new
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slot added dynamically.
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* New kind of slot allocation: "active". An active slot
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is a slot for which you can put a daemon before or
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after its reading/writing
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* Standard behavior of class slots is now identical to
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CLOS: when a class-slot is inherited, it is shared
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with instances of the superclass. If it is redefined,
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a new slot is created
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* slot initializers are evaluated in the lexical
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environment of the class definition.
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* (Tk-)virtual slots can now have an :initform option.
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* Generic functions can be now traced with the standard
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TRACE function.
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* Composite widgets have now a class slots which
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contains the class of the object. This slot is
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initialized by default to "Composite", but it can be
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overloaded for a particular class. For instance
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labeled entries use the value "LabeledEntry" by
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default. This feature can be used for initializing the
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X11 resource database. for instance you can have
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STk*LabeledEntry*Entry*Background: white in your
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.Xdefaults file to set the default value of background
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of the entry of a <Labeled-entry> widget.
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* New composites widgets: Gauge, Valued-Gauge,
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Balloon-help
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* The HTML-browser has been enhanced to access now the
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web (i.e. you can grab distant texts or images). The
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Web browser admit now applets written in Scheme.
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* New kind of slot allocation: "active". An active slot
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is a slot for which you can put a daemon before or
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after its reading/writing
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* extended types (defined in C) are now automatically
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integrated in the STklos hierarchy.
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* Several new classes for displaying messages boxes
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* New class <Color-box> for choosing colors.
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* New <Tk-Text-inset>. This class is the now the parent
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class of <Text-window> and of (the new) class
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<Text-image>.
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* ...
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09/26/96 Release 3.1.1
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----------------------
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This release is a bug correction release. It corrects a lot bugs.
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A lot of theses bugs prevent to install it on some architectures.
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Apart bugs:
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- Version of Tk is now at Tk4.1p1 level (last stable version)
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- a MS VC makefile is now provided for Win 32 thanks to
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Caleb Deupree <cdeupree@erinet.com> (I have changed some things
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from the Caleb file but cannot test them, I hope this is correct)
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- Support for sockets on Win32 was done by Caleb Deupree on MS
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VC. This should also work on BC++ but I'm not able to test it.
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07/24/96 Release 3.1
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--------------------
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- Version of Tk is now at Tk4.1 level.
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- STk run now on Win32!!!
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Some details need a little more work (some oddities on file names
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due to difference conventions between Unix and DOS, and things like
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that). No socket support and no dynamic loading on Win32
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- A complete documentation of STk widgets pages (both in nroff
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and HTML format). The help command really allow you to browse
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man pages now. Man pages are prefixed by "stk_" now to avoid confusion
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with original Tk manual pages.
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- STklos is now integrated to STk (it was dynamically loaded before).
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This simplify its implementation and speed up generic functions:
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o gf are now 2-4 time faster
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o gf are now tail recursive
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o the MOP for gf is now "public" (i.e. you can change the way
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gf are called in Scheme -- it was not possible with previous
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versions without using C).
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- Port implementation is different: A port contains now its
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input and output handler. New primitives to access the handler:
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when-port-readable and when-port-writable.
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BTW, The Tk function fileevent function is no more useful
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(it is written in Scheme now for compatibility, but its usage
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is deprecated). It may not be supported in a future release.
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- New composite widgets: <Multiple-window> and <Inner-window>
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which allow to have embedded windows. A multiple window
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has a task bar below and allow to iconify inner-windows.
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Some people think it looks like Win95 desktop ;-)
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- pixmap extension doesn't require anymore the Xpm library. Code
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is stolen from the Tix Library.
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- New socket code which allow multiple concurrent connection
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- Extended types can now have a compare function which is called
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when eqv? or equal? is called. This modification should be
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compatible with the previous extensions (I hope so)
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- STklos: Two new methods: object-eqv? and object-equal? which are
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called when applying eqv? or equal? to instances.
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- A rewriting of bind-for-dragging canvas method. You can now specify
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a :before-motion, which if it returns #f, forbid to move the selected
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canvas item.
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- New primitives:setenv!, posix-host-name, posix-domain-name,
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posix-uname
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- Option separator "--" allows to pass reserved keyword (sush as -help)
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to a script. Option and parameter cannot be mixed anymore
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(i.e. calling stk xyz -help ==> *argv* = ("xyz" "-help")
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- HTML browser enhancement (support of the <FONT> tag with SIZE
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and COLOR sub-tags. This must be compatible with the HTML spec.
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- and of course many many bug corrections.
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01/22/96 Release 3.0 (also called 3.0b2 by error)
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~~~~~~~~~~~~~~~~~~~~
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- Version of Tk is now at Tk4.0p2 level
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- Support Pixmap images
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- Strings can now contain null charters (printing of strings is more
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friendly now in write mode
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- Executable is now position independant(i.e. no path coded in hard in
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the interpreter). STK_LIBRARY shell variable is no more necessary. We
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can now make binary distributions.
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- Signal can now be redirected to Scheme closures. The end of a GC
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is seen as a signal.
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- Trace on variable are changed (and re-work now): the associated trace
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must be a thunk now.
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- New option for buttons, checkbuttons, radiobuttons and entries:
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:stringvalue.
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This options tells if the value must be stringified or not.
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For instance, with
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(radiobutton '.c :text "Try" :variable 'x :stringvalue #f :value 100)
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will set the "x" var to "100" whereas with
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(radiobutton '.c :text "Try" :variable 'x :stringvalue #t :value 100)
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value is set to the integer value 100
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Default value for :stringvalue is #t for entries and #f for check and
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radio buttons.
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- stk-wtour demo is updated for STk 3.0
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- In STklos, if a method M is defined and if it is already bound to
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a procedure, the old procedure is called when no method is applicable.
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Example:
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(define-method car ((x <integer>)) (- x 1))
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(car 10) ==> 9
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(car (cons 'a 'b)) ==> a
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As a consequence, this kind of method cannot call no-applicable-method
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if parameters are not valid:
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(car (vector 1 2)) ==> error car: wrong type of argument: #(1 2)
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- Small change in the STklos hierarchy. <widget> is now a subclass of
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<procedure> and its meta class is <procedure-metaclass>.
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10/07/95 Release 3.0b1
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~~~~~~~~~~~~~~~~~~~~~~
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A lot of modifications. Briefly,
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- Support of Tk4.0
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- Closures are fully supported by Tk. That means that a callback can be
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now a Scheme closure with its environment. GC problems with closures
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and usage of the dirty "address-of" are definitively gone.
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- HTML support (a browser is provided, should be extended to support
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all HTML2.0)
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- Documentation is now in HTML for the Tk commands (only a few commands
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are ready for now, but they will be all defined in a near future).
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- ....
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07/15/95 Release 2.2
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~~~~~~~~~~~~~~~~~~~~
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This is the last release with Tk 3.6. Next release will integrate Tk 4.0
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- Bug corrections
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- Changing Makefiles and configure files for better dynamic loading
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integration.
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- Adding support for BLT-1.7. This library can be loaded dynamically
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on system which support it
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- New option which permit to change the initial amount of cells
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- Uses really LESS memory.
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- New GC. Now we have a set of heaps and a new heap is allocated as
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soon as the global space is "nearly" filled.
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- SLIB support (just type (require "slib") and after that process as
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indicated in SLIB documentation
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- Integration of the Suresh Srinivas STk-wtour demo.
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- Adding support for Text in STklos: Definition of the <Text> class
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(and companion <Text-tag> class).
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- call/cc is now tail recursive. (Alas, methods and dynamic-wind are
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not yet tail recursive).
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- Better support for autoloading files
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- Adding support for an exec function a` la Tcl (i.e. execute of a
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unix process and keep its output in a Scheme string)
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- General run-process for running Unix process were std{in,out,err}
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can be redirected in files or in pipes.
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- Some code has been rewritten to ease STk porting
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- Adding support for regular expression pattern matching and
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replacement
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- There is now a light interpreter, called snow (for Scheme
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NO Window); this is in fact the STk interpreter without Tk support.
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This interpreter is an independant executable. It can be called
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with the `snow' shell-script or by unsetting the DISPLAY variable.
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- New organisation of intalled file to permit co-existence of
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several version of STk or multi-architecture file sharing
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- Dynamic loading support for NetBSD-1.0
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- Dynamic loading support for HP
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- Dynamic loading and dump support for FreeBsd.
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- Dynamic loading for Linux (using ELF format or the DLD package)
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- A mini interface builder (very simplistic, but usable)
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- New contributions: A true Tetris game, a 8 queens simulation and
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a demo of composite widgets.
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- Every exported identifier now starts with the string "STk_" to
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avoid name clashes when embedding the interpreter in an application.
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- BSD sockets support
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- Better integration with Emacs
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- AMIB (A Mini Interface Builder)
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- A lot of improvement in STklos
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- .....
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See the ChangeLog file for more information
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==============================================================================
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??/??/?? Release 2.1
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~~~~~~~~~~~~~~~~~~~~
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This is a major release version.
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- STklos (the object layer) is now written in C. It is more than 150
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times faster than before and it uses less memory (~ 1/100)!!!!
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- Improvement of STklos
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- STklos classes have been written for all the Tk library widgets
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- Composites widgets can be easily defined in STklos. Access to those
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widgets is identical to C written one.
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- bindings can be now true lambda expression with their own
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environment (rather than list which are evaluated in the global
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environment).
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- Hash tables have been added.
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- Small constants are coded on a pointer rather than a cell
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- Support for dynamic loading on SunOs (4 and 5). Dynamic loading
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uses shared objects (it should work also on OSF1)
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- Dump creates now smaller images.
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- Modification of configure and Makefiles to correct of a lot
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of installation problems.
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- Runs on Solaris 2.3
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- Bugs corrections
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- Some modification to the error notifier
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- Support of dynamic loading of shared objects on Solaris 1 & 2 (it
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should work also on OSF1).
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- ...
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94/01/03 Release 2.0
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~~~~~~~~~~~~~~~~~~~~
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STk 2.0 contains a completly rewritten Scheme interpreter. This new
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interpreter is
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- R4RS
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- faster than previous release (~ 3 or 4 times)
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- less bugged (I hope :-) )
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- implements integers (32 bits and bignum) and floats
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- cleaner with macros
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This version contains also a prototype of a graphical inspector which
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permits to see/modify a variable value. For widgets variables it permits
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to modify interactively their behaviour. However, it doesn't yet contain
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a C rewritting of the object layer as it was planned. This will be done
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in a (probably the) next release.
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93/09/02 Release 1.00 (first public release)
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~~~~~~~~~~~~~~~~~~~~~
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Forget it :)
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