Squeak-dev June 2007

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120 participants
175 discussions

Leslie Nielsen explains how to declare variable types in squeak.
by Jerome Peace 25 Jun '07

25 Jun '07

Leslie Nielsen explains how to declare variable types in squeak. "surely you can't be serious?!" " "of course i'm serious... And stop calling me Shirley". --Leslie Nielsen -airplane- The way you declare a serious variable type in squeak is to write an instance message for the class Joking that does nothing when asked #surelyYouCantBeSerious and maybe another for the class Serious that tells you to stop calling it shirley. ;-) Then in any method needing a type check you just ask the variable the question and proceed. QED. Yours in curiosity and service, --Jerome Peace ____________________________________________________________________________________ Yahoo! oneSearch: Finally, mobile search that gives answers, not web links. http://mobile.yahoo.com/mobileweb/onesearch?refer=1ONXIC

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Affecting the OS (Windows) window from Squeak
by Herbert König 24 Jun '07

24 Jun '07

Hello, to make a squeak application look more native Windows, I'd like to have my (frameless) top level UI morph exactly with the UI window. That's easily done by observing World extents and resizing my UI. Actually I might place my UI elements just into the world and make it grey. The problem arises if I want to limit the resizing of the UI window as not to hide parts of my UI. If this hasn't been done yet, I guess I'd have to use FFI, find out the appropriate Windows api and step my morph to undo manual resizing of the OS window. Alternatively there might api calls to fix the size of the window. I couldn't find the place where the World updates its bounds from the OS window either. I hoped to find all these information in Areithfa Ffenestri. Any clues (including appropriate win api calls) are appreciated. Thanks, Herbert mailto:herbertkoenig@gmx.net

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Friends of Morphic
by Jerome Peace 24 Jun '07

24 Jun '07

Hi Jason, *** >Friends of Morphic > >J J azreal1977 at hotmail.com >Sat Jun 23 07:44:12 UTC 2007 > > > >> Date: Fri, 22 Jun 2007 10:20:19 +0200 >> From: herbertkoenig at gmx.net >> To: squeak-dev at lists.squeakfoundation.org >> Subject: Re: Friends of Morphic >> >> Hello Jason, >> >> Karl already points to Nouri's gui tool. You can simply use squeak's >> object catalog and place Morphs as UI elements into an empty project. >> >> The big advantage over for example Nouri's approach is: you just place >> TextMorphs in a certain colour onto or beside the UI elements to give >> them names or to write a comment on the intended behaviour there. > >The object catalog? You mean that thing with about 8 tabs and shows some >morphs? I have tried that several times but I can never find anything in >there. I have never seen, for example the things one would use to build the >class browser. Ha. Browsers come whole. They date back to MVC and their components get linked up when they are created. Because its been there and worked nobody (yet) has even attempted to build morphic assemblable components. If you want to see that happen write a user story. http://wiki.squeak.org/squeak/5994 I wish Morphic could do ... Additionally join the lively friends of morphic discussion that has taken over and revived the morphic list. http://lists.squeakfoundation.org/pipermail/morphic/2007-June/date.html > *** ____________________________________________________________________________________ Take the Internet to Go: Yahoo!Go puts the Internet in your pocket: mail, news, photos & more. http://mobile.yahoo.com/go?refer=1GNXIC

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RE: Friends of Morphic
by J J 24 Jun '07

24 Jun '07

> Date: Fri, 22 Jun 2007 10:20:19 +0200> From: herbertkoenig(a)gmx.net> To: squeak-dev(a)lists.squeakfoundation.org> Subject: Re: Friends of Morphic> > Hello Jason,>> Karl already points to Nouri's gui tool. You can simply use squeak's> object catalog and place Morphs as UI elements into an empty project.> > The big advantage over for example Nouri's approach is: you just place> TextMorphs in a certain colour onto or beside the UI elements to give> them names or to write a comment on the intended behaviour there.The object catalog? You mean that thing with about 8 tabs and shows some morphs? I have tried that several times but I can never find anything in there. I have never seen, for example the things one would use to build the class browser. _________________________________________________________________ Hotmail to go? Get your Hotmail, news, sports and much more! Check out the New MSN Mobile! http://mobile.msn.com

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Re: On UUID's and MC file names
by Bert Freudenberg 24 Jun '07

24 Jun '07

Jerome, we should take this discussion to squeak-dev. Reply-To set. On Jun 22, 2007, at 1:06 , Jerome Peace wrote: > Hi Bert, > > Thanks for the interesting response. > > *** >> [V3dot10] Re: RV: Do in a workspace and say if could > build >> >> >> Bert Freudenberg bert at freudenbergs.de >> Thu Jun 21 00:11:25 UTC 2007 >> >> On Jun 21, 2007, at 1:51 , Jerome Peace wrote: >> >>> First a better way to print out a uuid. Since its >>> based on time I should be able to take an encoded > UUID >>> and print it out asHumanIntelligableText. >> >> http://en.wikipedia.org/wiki/UUID >> >>> Secondly it would seem that a time based version >>> number would be a little less dangerous than a >>> sequential version. So a package would be name >>> somethink like: >>> PackageName-subPackage-initials.yymmddnn.mcz >>> with yymmddnn is a number based on time with a >>> sufficient resolution to solve most problems. >>> The details may be modified to meet other design >>> criteria (e.g. spaceCompression). >>> >>> The first should be easy to do. >> >> Reversing a cryptographic hash function? Have fun. > > Hmm. I don't have to reverse a hash function I just > have to "know what it means". > That can be done by extra info saved with the hash as > part of the name. > Enough info to provide a human intellegible clue. > UUID hashes mean that on such and such a day at such > and such a time from such and such a place a something > was saved and given a uuid in such and such a format. > > If the purpose of the saving is not to keep secret > what was saved you can place both the open text and > the hash together and if needs be keep a dictionary to > reverse the cyptographic hash. > > Partial progress counts. I just want to look as > something that doesn't mystify me. > Remember the context is to make something a beginner > and an amatuer can learn. That information is stored in the VersionInfo entry next to the UUID. It's easily accessible. Whereas the UUID might be generated using the UUIDPlugin and you have no idea how to reverse that. It's not sensible to even attempt that. >>> I wonder what it would take to train MC to work > with the second. >> >> That's trivial. Since MC does not place meaning on > the version name >> you can just pre-populate the version name input > field of the version >> save dialog with whatever suits you. > > Huh? Wow. > > Does this mean I could rename the file and MC would > still recognize it for what it is? > Oh,. you said version name. So you mean that the > packagename portion is still significant but I can > play around with the version names and MC will pay no > attention. No. The package name is stored *inside* the MCZ. > So a mischief maker could rename things so that > Package-puck.30.mcz was the ancestor of > Package-puck.29.mcz instead of the expected other way > around? > > On the other hand Package-puck.3.mcz duplicated and > renamed to egakcaP-puck.3.mcz would not be recognized > by MC as the same? > > >> >> Actually, maybe having readable version file names is > a problem in >> itself. It gives the illusion that these have any > meaning to MC. >> Other systems like git avoid the problem by just > using UUIDs as >> filenames. > > And how would you know when mischief had happened > then? MC is not designed to prevent mischief, though the UUIDs prevent accidental mistakes. For actual security, one could for example use the hash of the entire package contents as identifier, making it unforgeable. - Bert -

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Q] Any AS 400 Squeak experience ?
by Edgar J De Cleene 24 Jun '07

24 Jun '07

Folks: Any experience in using Squeak in IBM AS 400 computers ? Thanks in advance Edgar

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Squeak RPM packages for Fedora 7
by Giovanni Corriga 23 Jun '07

23 Jun '07

Hi all, I've published a new batch of Squeak RPM packages for Fedora 7. You may find them here: http://www.corriga.net/~giovanni/Squeak/ . You should also have a read at this blog post for some additional info: http://blogs.corriga.net/giovanni/archives/2007/6/23/squeak_rpm_packages_fo… . Ciao, Giovanni

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Re: Traits for a Thesis?
by claudio acciaresi 23 Jun '07

23 Jun '07

Thanks to everyone for your anwers, we'll analize the options and write again! Thanks! Claudio and Nicolás. __________________________________________________ Preguntá. Respondé. Descubrí. Todo lo que querías saber, y lo que ni imaginabas, está en Yahoo! Respuestas (Beta). ¡Probalo ya! http://www.yahoo.com.ar/respuestas

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[ANN][Squeak-dev Image] Version 07.6
by Damien Cassou 23 Jun '07

23 Jun '07

Squeak-dev image is an image made for squeak developers. *Important notice:* This version is based on Squeak 3.9 7067. You can download it here: http://damien.cassou.free.fr/squeak-dev/ Changes in this version: ------------------------------ - Change the version naming scheme; now, I use the last two digits of the year + the number of the current month. Version 07.6 is for June 2007. - Documentation for SqueakSource and Monticello - Adds a preference for the mercury panel Updated packages: ------------------------- - DynamicProtocols - eCompletion - Installer - OmniBrower - Pretty print is available through CTRL+r - The list of keystrokes is available in the contextual menu - Refactorings are becoming environment aware - An annoying bug with required method has been corrected - ... - RoelTyper - Universes 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 Contained packages: ------------------------ This image contains the following packages: AST version 140 AutomaticMethodCategorizer version 0.24 AutomaticMethodCategorizerServices version 0.2 ClassSelectorSets version 1 DynamicProtocols version 0.53 eCompletion version 0.87 eCompletion-Traits version 0.1 eCompletionOmniBrowser version 0.2 Installer version 1.0.92 OmniBrowser version 0.357 OmniBrowser-Full version 0.10 OmniBrowser-Morphic version 0.13 OmniBrowser-Refactory version 0.23 OmniBrowser-Standard version 0.205 Refactoring Engine version 37 RoelTyper version 0.60 ScriptManager version 0.6 Shout version 3.15-tween.70 ShoutWorkspace version 1-tween.1 SmaCC runtime version 13 Squeak dev packages version 0.13 Universes version 28 Universes OmniBrowser version 0.27 YAXO version 9 Future work: ---------------- - Wait for feedback. - Follow Squeak 3.10 beta releases. Please tell me what is your experience with this version. Please tell me what you want for this image, this is for you. -- Damien Cassou

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AW: coverage browser?
by Frank Urbach 22 Jun '07

22 Jun '07

Hi Juan, the only I know is Christo from Stefan Reichhart. You reach informations about it direct from the following webpage: http://smallwiki.unibe.ch/stefanreichhart/codecoverage. Hope this helps. Cheers, Frank --- Edelstahlwerke Schmees GmbH Geschäftsleitung Clemens Schmees Sitz D-01796 Pirna Handelsregister Dresden HRB 54 www.schmees.com -----Original Message----- From: juan.burella(a)gmail.com Date: Fri, 22 Jun 2007 20:21:58 To:squeak-dev@lists.squeakfoundation.org, frank.urbach(a)schmees.com Subject: coverage browser? Does exists a coverage browser ( like the VW one ) for Squeak? I can't find it. Greetings Juan M.

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