Squeak-dev February 2008

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159 participants
219 discussions

Morphic 3 architecture.
by Michael van der Gulik 04 Feb '08

04 Feb '08

On Feb 1, 2008 4:12 AM, Juan Vuletich <juan(a)jvuletich.org> wrote: > > > > > > > > > > Could you give a few examples of where the arbitrary coordinate > > > systems would actually be useful? This is the part I'm confused > > about > > > - you're focussing on them a lot, but I don't see why. > > > > > > I would have thought it would be up to the application to > > provide the > > > logorithmic coordinate mappings rather than the GUI. > > > > > That how it is usually done. So that code is repeated in various > > applications, the behavior is neither consistent nor correct (see my > > approach to pixel independent rendering), there is duplicated > effort, > > many bugs appears, etc. Please do read > > > http://www.jvuletich.org/Smalltalks2007/St2007VuletichMorphic3TalkProposal.… > > . Also read > > http://www.jvuletich.org/Morphic3/TheFutureOfTheGUI_02.html > > and http://www.jvuletich.org/Morphic3/TheFutureOfTheGUI_032.html . > > I try > > to make my point there. I don't know what to say but repeat what I > > wrote > > there. If I'm not clear enough or you don't agree with me, tell me! > > > > > > > > Could you give some examples of where a non-linear coordinate system > > would be useful? I don't understand why you would want them in the GUI > > rather than the application. > Yes. Logarithmic scales in music and technical applications, pentagrams > in music, geographic in maps, polar in math. > Having that in the GUI offers the same advantages of having Morphic > instead of implementing an ad hoc idea of graphic object in each > application. > "Pentagrams" and logarithmic scales in music? What in the devil's name are you talking about? http://en.wikipedia.org/wiki/Pentagram_%28disambiguation%29. I can never see the majority of people ever using the features you mention. They're all specialised applications and IMHO better suited to custom implementations in the applications themselves. The GUI is the wrong place for this functionality. I've had a good think about the usefulness of using non-linear coordinate system. The only realistic examples I could think of are: - Zooming in, specifically for documents or graphical applications. This is a linear transformation. - Rotating things... such as photos. Again, a linear transformation. - Silly animated window effects. > > > > > What other features does Morphic 3 have? All I'm seeing is "non-linear > > coordinate systems". > > > > Morph specification that is agnostic about pixels and resolution. This > is the key to building GUIs that look good on screen with different dpi's. > > Theorically correct antia aliasing ("the signal processing approach to > anti aliasing"). > > Better design that current Morphic, with simpler and smaller code. > These are good features, although I must say I'm most interested in the cleaner code. Is Morphic 3 retargetable? Could I run it using the Rome-based Canvas or Sig's OpenGL implementation? Are you considering how to best use graphics hardware, or are you doing most operations in software? Gulik. -- http://people.squeakfoundation.org/person/mikevdg http://gulik.pbwiki.com/

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Fwd: [squeakRos] [ANN] Open meeting regarding the Squeak Release Team
by Germán Arduino 04 Feb '08

04 Feb '08

2008/2/1, Edgar J. De Cleene <edgardec2001(a)yahoo.com.ar>: > > > The point is if we should start from 3.8.2 (without Traits and Monticello) > or we should continue from 3.10 is now. My vote is without Traits!!! (Traits: big example of a not useful thing, IMHO), Cheers.

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Aida/Web anniversaries
by Janko Mivšek 04 Feb '08

04 Feb '08

Dear Smalltalkers, It is my pleasure to announce two anniversaries of Aida/Web web application framework: - 10 years of continuously running Aida/Web application: Gas Billing System (GBS) for our national gas operator, surviving big business changes like country tax system change to VAT, deregulation of EU energy market, split of company to gas trader and gas transport operator, and recently currency change to Euro. It is running on VisualWorks and Gemstone/S; - 1 year of our new website - see graph of first page visits on our website: http://www.aidaweb.si Currently we have near 100 first page visits per day, which maps roughly to 100 daily visitors. After June spike (announcement of Squeak port), past month had a record visit. You can track statistics by yourself here: http://www.aidaweb.si/stat.html And conclusion? Aida/Web is becoming more and more known around and with active and increasing community it is a good choice for web development needs on many fields, from business applications to regular websites. And we didn't say a final word yet. Stay tuned! Janko Mivšek -- Janko Mivšek AIDA/Web Smalltalk Web Application Server http://www.aidaweb.si

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[ANN][Squeak-dev Images] January 2008 versions
by Damien Cassou 04 Feb '08

04 Feb '08

Hi, I've just uploaded new squeak-dev and squeak-web images based on Squeak3.9-7067 and Squeak3.10-7159. http://damien.cassou.free.fr/squeak-dev.html Changes in this version: --------------------------- - The 3.10 based images now have 32bits color depth. This prevents a bug with Compiz on Linux boxes and the logo looks nicer. - squeak-web images now contains Aida (http://www.aidaweb.si/) which is another Smalltalk Web Application Server. You can start it on port 8888 with "SwazooServer demoStart". - Seaside still runs on top of the http server Commanche. However, you can run Seaside on top of Swazoo too "SwazooSeaside startOn: 8088". - The OmniBrowser packages contains bug fixes and requested features (Ctrl+h to browse hierarchy and Ctrl+Shift+C to show category). Feel free to use mantis to submit more. Also, the repository is open to commit (source.wiresong.ca/ob) and adding features is easy; please help us making OB a great framework and the best browser. Contained packages: ------------------------ This image contains the following packages (some packages are only in the squeak-web image): Aida version 5.4 Announcements version 0.7 AST version 154 AutomaticMethodCategorizer version 0.24 AutomaticMethodCategorizerServices version 0.2 ClassSelectorSets version 1 DynamicBindings version 2.7 DynamicProtocols version 0.67 eCompletion version 0.89 eCompletion-Traits version 0.1 eCompletionOmniBrowser version 0.4 Installer version 1.0.130 KomHttpServer version 7.0.30 KomServices version 1.12 Magritte-Model version 1.0.14.300 Magritte-Morph version 1.0.14.39 Magritte-Seaside version 1.0.14.248 Magritte-Tests version 1.0.14.131 Mondrian version 0.40 OB-Enhancements version 0.60 OmniBrowser version 0.404 OmniBrowser-Full version 0.25 OmniBrowser-Morphic version 0.43 OmniBrowser-Refactory version 0.44 OmniBrowser-Standard version 0.312 OmniBrowser-SUnitIntegration version 0.9.1 OmniBrowser-TraitsIntegration version 0.32 Pier version current Pier-Blog version 1.0.14-alpha.66 Pier-Documents version 1.0.14-alpha.3 Pier-EditorEnh version 1.0.14-alpha.9 Pier-Model version 1.0.14-alpha.191 Pier-OmniBrowser version 1.0.14-alpha.31 Pier-Seaside version 1.0.14-alpha.231 Pier-Security version 1.0.14-alpha.102 Pier-Tests version 1.0.14-alpha.84 Refactoring Engine version 39 RoelTyper version 0.60 RSRSS2 version 2.8.9 Scriptaculous version 2.8.228 ScriptManager version 0.6 Seaside version 2.8.522 Seaside-Adapters-Core version pmm.2.mcz Seaside-Adapters-Swazoo version pmm.7.mcz-2 Seaside-Squeak-Adapters version pmm.3.mcz SeasideAdaptersCompatibility version pmm.1.mcz Shout version 3.15-tween.70 ShoutWorkspace version 1-tween.2 SmaCC runtime version 13 Sport version 2.31 Squeak dev packages version 0.17 Squeak dev packages beta version 0.20 Squeak web packages version 0.2 SUnit-improved version 4.0.108 SUnitGUI-improved version 4.0.48 Swazoo version 2.1 ToolBuilder integration for UI Themes version 0.51 UI Themes and Standard Widgets version 0.58 Universes version 41 Universes OmniBrowser version 0.35 YAXO version 9 Updating the image: ------------------------- You are not obliged to download a new image if you don't want. You can always update your image. To upgrade your already existing squeak-dev image: 1) World menu->open...->Package Universe Browser 2) Update list from network 3) Select all upgrades 4) Install selection 5) Execute: 'DEVImageCreator default install' (all windows will be closed) Prepared packages: -------------------------- There are a lot of packages prepared for you in this image. They are not loaded in the image, but they can be easily. - Open Package Universe Browser (world->open...->Package Universe Browser). - Click on "Update list from network" - Wait a few seconds - Select your packages - Install them -- Damien Cassou

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Storing objects in a binary file
by Nicolas Petton 03 Feb '08

03 Feb '08

Hi, I'm using FileStream>>fileOutClass:andObject: to store objects in binary files. It doesn't works in my case, because of blockContexts, if I don't use ImageSegment: storeDataOn: aDataStream "Contexts are not allowed go to out in DataStreams. They must be included inside an ImageSegment." aDataStream insideASegment ifTrue: [^ super storeDataOn: aDataStream]. self error: 'This Context was not included in the ImageSegment'. "or perhaps ImageSegments were not used at all" ^ nil Do someone know if there is another way to do that ? Cheers! Nicolas -- Nicolas Petton http://nico.bioskop.fr ___ ooooooo OOOOOOOOO |Smalltalk| OOOOOOOOO ooooooo \ / [|] -------------------------------- Ma clé PGP est disponible ici : http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE788C34D

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Squeak and LGPL
by Diego Fernández 03 Feb '08

03 Feb '08

Hi, as a result of the recent discussion about the license issues of GNU St and Squeak, I've sent a mail to the FSF license help. So I want to share my mail and the response... maybe is useful to others: ------- My mail ---------- Hi, with the recent release of GNU Smalltalk 3.0, a discussion about LGPL and Smalltalk started in the Squeak Developer mail list. (the most used open source Smalltalk is Squeak which is released under MIT License). This mail of the thread: http://www.nabble.com/beware-GNU-Smalltalk-if-you-want-to-contribute-to-squ… Says basically that LGPL is incompatible with a language like Smalltalk. Where I can find more information on this issue? I'm a developer who would like to contribute to both projects, and my concern is: if I develop a package that works in GNU Smalltalk and in Squeak, which is the correct license to choose? (note that in Squeak or GNU Smalltalk loading a package means loading the source code) And if I contribute with patches to both projects, can my patches generate legal problems in the future (in case that someone claims that Squeak violates LGPL? -------- The response ---------- Hello, Please accept our apologies for the delay in getting back to you. We rely on volunteer effort and often have difficulties keeping up. > Says basically that LGPL is incompatible with a language like > Smalltalk. Where I can find more information on this issue? As long as there is a package system and/or clear namespace separation, it is always possible to see where a program ends and a library starts, even if they ultimately end up in the same VM or runtime. I'll gladly answer any specific questions you have on the subject. But I don't think that LGPL is incompatible with any particular language. > I'm a developer who would like to contribute to both projects, and my > concern is: if I develop a package that works in GNU Smalltalk and in > Squeak, which is the correct license to choose? (note that in Squeak > or GNU Smalltalk loading a package means loading the source code) And > if I contribute with patches to both projects, can my patches generate > legal problems in the future (in case that someone claims that Squeak > violates LGPL)? If you are the copyright holder of the package, you can distribute it under several different licenses concurrently. We call this "dual-licensing". For instance, MySQL AB release their software under both a free license and a proprietary license. So technically speaking, there is nothing stopping you from contributing your package to different projects under different licenses. That said, every project has the right to decide their own contributor policies and licensing schemes (the FSF certainly does!). If you tell the Squeak project that you intend to release your code under both licenses to both projects (each with its respective license of course) and they decide to turn your code down, then they are well within their rights to do so. I see the matter boiling down to policy decisions, opinions about free software and community goals. I'm sorry I couldn't be of more help. But feel free to ask of you have any further questions. I'll do my best to expedite my answer. -- I am not a lawyer, the above is not legal advice Regards, Yoni Rabkin -----------------------

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Dynamic Protocols in the Dev-images
by Damien Cassou 03 Feb '08

03 Feb '08

Hi, as the developer of both the Dynamic Protocols and the dev-images, I have included the firsts into the latter some times ago. I found them quite useful at that time. However, they slow down a lot the UI (which is already very slow). So, my question is: Who wants me to continue including the dynamic protocols in the dev-images? Is there anyone using them? Bye -- Damien Cassou

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{OT} About SqueakRos
by Edgar J. De Cleene 03 Feb '08

03 Feb '08

As SqueakRos is showing in some mails, seems fair tell about us. All begins with students of UTN (state) and UAI (private) university. Here state and private university is like water and oil. So I try to see if some people of both could meet in a bar and start to learn Squeak. In 2002 Martin Altobello begins http://ar.groups.yahoo.com/group/squeakRos/ The group eventually grow and people of Extremadura , Spain host http://wiki.gnulinex.org/squeakros/ from 2004. Now we have 150 members around of world. This continue being a bar / café group where all subjects are welcomed , nobody censor subjects and Squeak is only a most talked theme. But I always said to my students life is not only Squeak. We like cultural subjects. Doing jokes all time. Showing we in Argentina prefer being young , beautiful, wealthy and have fun. >From time to time exchange tricks, give advice to each other. So if you like talk futbol, movies, bikes, women / man , blame politicians, etc are welcomed. Only catch is most is in Spanish, but several understand English and could answer questions. And if you think you do all in life and wish a really exotic vacations come to Rosario, Argentina. Edgar

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[ANN] FunSqueak.5 is here
by Edgar J. De Cleene 03 Feb '08

03 Feb '08

To miriads of FunSqueak fans (2 ? or more ?) I cook the last one Many people like graphics , so I add Graphviz and as bonus track we have also OSProcess and CommandShell. I put interim in http://ftp.squeak.org/3.10/FunSqueak3.10alpha.5.zip until goes to right place and all info updates. Yesterday on the Squeak base new version meeting some ask about VMMaker and SystemTracer2 , so I try to get into for 6. Don't forget this is alpha, works but not smooth. Don't panic if all go nuts, send mail to list so I know and try to fix. It's not easy try to have all relevant in Squeak from 2.1 era to now in a same image. Enjoy ! Edgar P.S. you can reach me at random times in Skype as edgardec, I advice if you have video and was a delicate heart person , turn off :=)

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upgrade of Debian packages
by Matej Kosik 03 Feb '08

03 Feb '08

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Friends, I have made internal updates (3.9.8-2 --> 3.9.8-3) of Debian packages: * squeak * squeak-vm * squeak-plugin The changes ensure that if you now install `squeak-plugin', it will work. Why it did not work: In the original source code, the `squeak plugin' ignores the actual value of `--prefix=...' option given at configuration time. It looks it in /usr/local/share/squeak If it heeded to the --prefix given to the ./configure script, it would tried to look it up in /usr/share/squeak The change of the source code is not a proper fix. It is only temporary hack until thins are fixed in upstream. The `squeak plugin' source code must not ignore parameters passed on to the ./configure script. Am I right? Ian? If it is not fixed in the upstream version, then I would have to apply the same hack as I move to the newer upstream versions. That move would be smoother if I did not have to do it. Regards, - -- Matej Kosik -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHntVRL+CaXfJI/hgRAiUGAJ9jiPsiAt/Wwrh8bEmKnnUZ/TqoWQCfW/u7 DPQZ2cn41h8GV6LmNKfxDu0= =GWFR -----END PGP SIGNATURE-----

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