09/26/96 Release 3.1.1
----------------------
This release is a bug correction release. It corrects a lot bugs.
A lot of theses bugs prevent to install it on some architectures.
Apart bugs:
- Version of Tk is now at Tk4.1p1 level (last stable version)
- a MS VC makefile is now provided for Win 32 thanks to
Caleb Deupree <cdeupree@erinet.com> (I have changed some things
from the Caleb file but cannot test them, I hope this is correct)
- Support for sockets on Win32 was done by Caleb Deupree on MS
VC. This should also work on BC++ but I'm not able to test it.
07/24/96 Release 3.1
--------------------
- Version of Tk is now at Tk4.1 level.
- STk run now on Win32!!!
Some details need a little more work (some oddities on file names
due to difference conventions between Unix and DOS, and things like
that). No socket support and no dynamic loading on Win32
- A complete documentation of STk widgets pages (both in nroff
and HTML format). The help command really allow you to browse
man pages now. Man pages are prefixed by "stk_" now to avoid confusion
with original Tk manual pages.
- STklos is now integrated to STk (it was dynamically loaded before).
This simplify its implementation and speed up generic functions:
o gf are now 2-4 time faster
o gf are now tail recursive
o the MOP for gf is now "public" (i.e. you can change the way
gf are called in Scheme -- it was not possible with previous
versions without using C).
- Port implementation is different: A port contains now its
input and output handler. New primitives to access the handler:
when-port-readable and when-port-writable.
BTW, The Tk function fileevent function is no more useful
(it is written in Scheme now for compatibility, but its usage
is deprecated). It may not be supported in a future release.
- New composite widgets: <Multiple-window> and <Inner-window>
which allow to have embedded windows. A multiple window
has a task bar below and allow to iconify inner-windows.
Some people think it looks like Win95 desktop ;-)
- pixmap extension doesn't require anymore the Xpm library. Code
is stolen from the Tix Library.
- New socket code which allow multiple concurrent connection
- Extended types can now have a compare function which is called
when eqv? or equal? is called. This modification should be
compatible with the previous extensions (I hope so)
- STklos: Two new methods: object-eqv? and object-equal? which are
called when applying eqv? or equal? to instances.
- A rewriting of bind-for-dragging canvas method. You can now specify
a :before-motion, which if it returns #f, forbid to move the selected
canvas item.
- New primitives:setenv!, posix-host-name, posix-domain-name,
posix-uname
- Option separator "--" allows to pass reserved keyword (sush as -help)
to a script. Option and parameter cannot be mixed anymore
(i.e. calling stk xyz -help ==> *argv* = ("xyz" "-help")
- HTML browser enhancement (support of the <FONT> tag with SIZE
and COLOR sub-tags. This must be compatible with the HTML spec.
- and of course many many bug corrections.
01/22/96 Release 3.0 (also called 3.0b2 by error)
~~~~~~~~~~~~~~~~~~~~
- Version of Tk is now at Tk4.0p2 level
- Support Pixmap images
- Strings can now contain null charters (printing of strings is more
friendly now in write mode
- Executable is now position independant(i.e. no path coded in hard in
the interpreter). STK_LIBRARY shell variable is no more necessary. We
can now make binary distributions.
- Signal can now be redirected to Scheme closures. The end of a GC
is seen as a signal.
- Trace on variable are changed (and re-work now): the associated trace
must be a thunk now.
- New option for buttons, checkbuttons, radiobuttons and entries:
:stringvalue.
This options tells if the value must be stringified or not.
For instance, with
(radiobutton '.c :text "Try" :variable 'x :stringvalue #f :value 100)
will set the "x" var to "100" whereas with
(radiobutton '.c :text "Try" :variable 'x :stringvalue #t :value 100)
value is set to the integer value 100
Default value for :stringvalue is #t for entries and #f for check and
radio buttons.
- stk-wtour demo is updated for STk 3.0
- In STklos, if a method M is defined and if it is already bound to
a procedure, the old procedure is called when no method is applicable.
Example:
(define-method car ((x <integer>)) (- x 1))
(car 10) ==> 9
(car (cons 'a 'b)) ==> a
As a consequence, this kind of method cannot call no-applicable-method
if parameters are not valid:
(car (vector 1 2)) ==> error car: wrong type of argument: #(1 2)
- Small change in the STklos hierarchy. <widget> is now a subclass of
<procedure> and its meta class is <procedure-metaclass>.
10/07/95 Release 3.0b1
~~~~~~~~~~~~~~~~~~~~~~
A lot of modifications. Briefly,
- Support of Tk4.0
- Closures are fully supported by Tk. That means that a callback can be
now a Scheme closure with its environment. GC problems with closures
and usage of the dirty "address-of" are definitively gone.
- HTML support (a browser is provided, should be extended to support
all HTML2.0)
- Documentation is now in HTML for the Tk commands (only a few commands
are ready for now, but they will be all defined in a near future).
- ....
07/15/95 Release 2.2
~~~~~~~~~~~~~~~~~~~~
This is the last release with Tk 3.6. Next release will integrate Tk 4.0
- Bug corrections
- Changing Makefiles and configure files for better dynamic loading
integration.
- Adding support for BLT-1.7. This library can be loaded dynamically
on system which support it
- New option which permit to change the initial amount of cells
- Uses really LESS memory.
- New GC. Now we have a set of heaps and a new heap is allocated as
soon as the global space is "nearly" filled.
- SLIB support (just type (require "slib") and after that process as
indicated in SLIB documentation
- Integration of the Suresh Srinivas STk-wtour demo.
- Adding support for Text in STklos: Definition of the <Text> class
(and companion <Text-tag> class).
- call/cc is now tail recursive. (Alas, methods and dynamic-wind are
not yet tail recursive).
- Better support for autoloading files
- Adding support for an exec function a` la Tcl (i.e. execute of a
unix process and keep its output in a Scheme string)
- General run-process for running Unix process were std{in,out,err}
can be redirected in files or in pipes.
- Some code has been rewritten to ease STk porting
- Adding support for regular expression pattern matching and
replacement
- There is now a light interpreter, called snow (for Scheme
NO Window); this is in fact the STk interpreter without Tk support.
This interpreter is an independant executable. It can be called
with the `snow' shell-script or by unsetting the DISPLAY variable.
- New organisation of intalled file to permit co-existence of
several version of STk or multi-architecture file sharing
- Dynamic loading support for NetBSD-1.0
- Dynamic loading support for HP
- Dynamic loading and dump support for FreeBsd.
- Dynamic loading for Linux (using ELF format or the DLD package)
- A mini interface builder (very simplistic, but usable)
- New contributions: A true Tetris game, a 8 queens simulation and
a demo of composite widgets.
- Every exported identifier now starts with the string "STk_" to
avoid name clashes when embedding the interpreter in an application.
- BSD sockets support
- Better integration with Emacs
- AMIB (A Mini Interface Builder)
- A lot of improvement in STklos
- .....
See the ChangeLog file for more information
==============================================================================
??/??/?? Release 2.1
~~~~~~~~~~~~~~~~~~~~
This is a major release version.
- STklos (the object layer) is now written in C. It is more than 150
times faster than before and it uses less memory (~ 1/100)!!!!
- Improvement of STklos
- STklos classes have been written for all the Tk library widgets
- Composites widgets can be easily defined in STklos. Access to those
widgets is identical to C written one.
- bindings can be now true lambda expression with their own
environment (rather than list which are evaluated in the global
environment).
- Hash tables have been added.
- Small constants are coded on a pointer rather than a cell
- Support for dynamic loading on SunOs (4 and 5). Dynamic loading
uses shared objects (it should work also on OSF1)
- Dump creates now smaller images.
- Modification of configure and Makefiles to correct of a lot
of installation problems.
- Runs on Solaris 2.3
- Bugs corrections
- Some modification to the error notifier
- Support of dynamic loading of shared objects on Solaris 1 & 2 (it
should work also on OSF1).
- ...
94/01/03 Release 2.0
~~~~~~~~~~~~~~~~~~~~
STk 2.0 contains a completly rewritten Scheme interpreter. This new
interpreter is
- R4RS
- faster than previous release (~ 3 or 4 times)
- less bugged (I hope :-) )
- implements integers (32 bits and bignum) and floats
- cleaner with macros
This version contains also a prototype of a graphical inspector which
permits to see/modify a variable value. For widgets variables it permits
to modify interactively their behaviour. However, it doesn't yet contain
a C rewritting of the object layer as it was planned. This will be done
in a (probably the) next release.
93/09/02 Release 1.00 (first public release)
~~~~~~~~~~~~~~~~~~~~~
Forget it :)