Squeak-dev March 2008

squeak-dev@lists.squeakfoundation.org

157 participants
229 discussions

Re: The Old Man
by Jerome Peace 31 Mar '08

31 Mar '08

[squeak-dev] The Old Man Hi Marcus, I've often thought of this not quite remembered passage while wrestling with the way squeak makes progress. It was good to see it in print and posted here. Thank you. Yours in curiosity and service, --Jerome Peace *** >Marcus Denker denker at iam.unibe.ch >Sun Mar 30 20:09:21 UTC 2008 wrote: > >http://lists.squeakfoundation.org/pipermail/squeak-dev/2008-March/127255.ht… > > > >< ... > -- Lord Moulton >-- >Marcus Denker -- denker at iam.unibe.ch >http://www.iam.unibe.ch/~denker *** ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs

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Summer of Code: one more day to submit your applications
by Giovanni Corriga 30 Mar '08

30 Mar '08

Hi all, This message is for the students interested in submitting a Google Summer of Code project proposal to Squeak. The current deadline is tomorrow Monday, March 31st at 19:00 UTC. So if you're interested in submitting an application, you must hurry! Ciao, Giovanni

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Fwd: [ofset] Squeak in Debian!
by Hilaire Fernandes 30 Mar '08

30 Mar '08

A friend is asking me which image already relicensed he can use for some project. Is Squeak image 1.1 http://ftp.squeak.org/ the most recent he can use? Hilaire ---------- Forwarded message ---------- From: Georges Khaznadar <georges.khaznadar(a)free.fr> Date: 29 mars 2008 21:37 Subject: Re: [ofset] Squeak in Debian! To: ofset(a)ofset.org Hilaire Fernandes a écrit : > Please Georges, can you articulate what you exactly want to do with > Squeak related to "physic simulations and physic measurements" ? Hello Hilaire, I just want to do very basic things: We already have three identified methods to achieve physical measurements with an environment of free-libre software: - using the Comedi library, and the kernel modules coming for approximately 200 different acquisition devices. I currently use the device USB-DUX with this library - using the project Liberlab : it is a lightweight acquisition interface based on a cheap microcontroller, with a free-libre firmware, and free-libre driver written in python. The setup is not produced by a company, but you can easily have a kit and do it yourself - using the devices known as Phoenix, developed by Ajith Kumar and C.E. Pramode: these are produced by an electronic company in India, and are very few expensive. They come with free-libre firmware, and free-libre python libraries. The projects I saw about Squeak and physics are only simulators : you can play with a physic law and program easily an animation based on it. I want to add one feature more: giving the students a Squeak interface to drive an acquisition device and get real measurements back in their box. Then these measurements can eventually be compared with simulated results. This new feature requires _no sophisticated graphic library_, so it can eventually be based on a very early image for Squeak, eventually one image containing only contributions of people having already decided to relicense their work. The question would be: can such an image be found nowadays? Best regards, Georges. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFH7pqEnfmb2hFpETARAtGqAJ9eiobGbfKk05WXYxfVBN4QrXG1AwCfQudR 3lS6fkQ3tJAR31n6CiYXHFA= =7BxM -----END PGP SIGNATURE----- -- http://blog.ofset.org/hilaire Smalltalkers do: [:it | All with: Class, (And love: it)]

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Installer universe -> error on 3.9.1
by itsme213 29 Mar '08

29 Mar '08

Trying to build up my own image using the 3.9.1 base and Installer, I get an error with: Installer universe addPackage: 'eCompletion(0.89)'; install. Is there something I should be doing first? I also tried manually installing "universes" which completes fine, but still get the same error after that. Am I missing some XML pre-req? Thanks - Sophie =============================== VM: Win32 - a SmalltalkImage Image: Squeak3.9.1 [latest update: #7075] UndefinedObject(Object)>>doesNotUnderstand: #parseDocumentFrom: Receiver: nil Arguments and temporary variables: aMessage: parseDocumentFrom: a ReadStream '<package> <name>Pier-Magma-beta</nam...etc... Receiver's instance variables: nil UPackage class>>decodePackagesFromXMLStream: Receiver: UPackage Arguments and temporary variables: stream: a ReadStream '<package> <name>Pier-Magma-beta</name> <version>1.0.9-alp...etc... doc: nil element: nil Receiver's instance variables: superclass: Object methodDict: a MethodDictionary(#=->a CompiledMethod (1633) #addDependency:->a C...etc... format: 150 instanceVariables: #('name' 'version' 'category' 'description' 'provides' 'depe...etc... organization: ('serializing' printXMLPackageList:on: xmlForExport) ('initialize...etc... subclasses: nil name: #UPackage classPool: nil sharedPools: nil environment: a SystemDictionary(lots of globals) category: #'Universes-Model' traitComposition: {} localSelectors: nil UStandardUniverse>>updatePackagesViaWWW Receiver: an UStandardUniverse Arguments and temporary variables: rawPackageList: '<package> <name>Pier-Magma-beta</name> <version>1.0.9-alpha.35...etc... newPackages: nil Receiver's instance variables: dependents: #() shortName: 'development' description: 'Development' serverName: 'universes.dnsalias.net' serverPort: 3702 packagesURL: http://universes.dnsalias.net/%7Euniverses/repositories/developmen...etc... packages: a Set() [] in UGlobalInstaller>>requestPackageList {[universe updatePackagesViaWWW]} Arguments and temporary variables: --- The full stack --- UndefinedObject(Object)>>doesNotUnderstand: #parseDocumentFrom: UPackage class>>decodePackagesFromXMLStream: UStandardUniverse>>updatePackagesViaWWW [] in UGlobalInstaller>>requestPackageList {[universe updatePackagesViaWWW]} - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - [] in PSUIManager(UIManager)>>informUser:during: {[:bar | bar value: aString. aBlock value]} [] in PSUIManager>>informUserDuring: {[:bar | aBlock value: bar]} [] in ProgressInitiationException>>defaultMorphicAction {[result := workBlock value: progress]} BlockContext>>ensure: ProgressInitiationException>>defaultMorphicAction ProgressInitiationException>>defaultAction UndefinedObject>>handleSignal: MethodContext(ContextPart)>>handleSignal: MethodContext(ContextPart)>>handleSignal: ProgressInitiationException(Exception)>>signal ProgressInitiationException>>display:at:from:to:during: ProgressInitiationException class>>display:at:from:to:during: PSUIManager(MorphicUIManager)>>displayProgress:at:from:to:during: PSUIManager>>informUserDuring: PSUIManager(UIManager)>>informUser:during: Utilities class>>informUser:during: UGlobalInstaller>>requestPackageList Installer>>uniUpdate Installer>>universe: Installer class>>universe ImageInstaller class>>DoIt Compiler>>evaluate:in:to:notifying:ifFail:logged: [] in TextMorphEditor(ParagraphEditor)>>evaluateSelection {[rcvr class evaluatorClass new evaluate: self selectionAsStream in: ctxt...]} BlockContext>>on:do: TextMorphEditor(ParagraphEditor)>>evaluateSelection TextMorphEditor(ParagraphEditor)>>doIt [] in TextMorphEditor(ParagraphEditor)>>doIt: {[self doIt]} TextMorphEditor(Controller)>>terminateAndInitializeAround: TextMorphEditor(ParagraphEditor)>>doIt: TextMorphEditor(ParagraphEditor)>>dispatchOnCharacter:with: TextMorphEditor>>dispatchOnCharacter:with: TextMorphEditor(ParagraphEditor)>>readKeyboard TextMorphEditor>>readKeyboard [] in TextMorphForEditView(TextMorph)>>keyStroke: {[editor readKeyboard]} TextMorphForEditView(TextMorph)>>handleInteraction:fromEvent: TextMorphForEditView>>handleInteraction:fromEvent: TextMorphForEditView(TextMorph)>>keyStroke: TextMorphForEditView>>keyStroke: TextMorphForEditView(TextMorph)>>handleKeystroke: KeyboardEvent>>sentTo: TextMorphForEditView(Morph)>>handleEvent: TextMorphForEditView(Morph)>>handleFocusEvent: [] in HandMorph>>sendFocusEvent:to:clear: {[ActiveHand := self. ActiveEvent := anEvent. result := focusHolder han...]} ...etc...

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Resuming a terminated process
by Andreas Raab 29 Mar '08

29 Mar '08

Hi - Here is an interesting one: p := [self inform: 'Oh, noes'] fork. p terminate. p resume. This works fine on all Squeak versions that I've tried it on. Do people agree that this is a bug and should raise an error or is there any reason why it should behave the way it does right now? Note that the above also works for: p := [self inform: 'Oh, noes'] newProcess. p terminate. p resume. p terminate. p resume. etc. Cheers, - Andreas

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[ANN] Release team mailing list
by Matthew Fulmer 29 Mar '08

29 Mar '08

Hi. I created a mailing list for the release team. If you are interested in the official releases, please drop by: Subscribe: http://lists.squeakfoundation.org/mailman/listinfo/release Gmane: http://dir.gmane.org/gmane.comp.lang.smalltalk.squeak.release Nabble: http://www.nabble.com/Squeak---Release-f32833.html -- Matthew Fulmer -- http://mtfulmer.wordpress.com/

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Looking for a multi-select capable TreeMorph
by Matthew Fulmer 29 Mar '08

29 Mar '08

For the DeltaStreams UI, I have long been needing a TreeMorph that was capable of having more than one element selected, in order to display deltas like: - Collection>>#do: changed - Fix bug 6982 - Load Float-readFromManyDigits-Test-M6982-nice.1.cs - Float>>#readFromManyDigits changed - ... - Integer>>#bitAt: changed So far, I've been making do with a PluggableListMorphOfMany, because I haven't yet set up the integration with Installer, Monticello, and the chunk reader that would allow such deltas to be created. However, I am getting ready to start making this kind of annotated delta, and the UI must be able to display them. So, do I need to roll my own morph? DeltaStreams UI only uses 100% Morphic, for maximum compatibility with old squeak releases. -- Matthew Fulmer -- http://mtfulmer.wordpress.com/

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[ANN] Monticello backport to Squeak 3.4
by Germán Arduino 28 Mar '08

28 Mar '08

Hi: I ported a suitable version of Monticello to work on Squeak 3.4 images. This work was done to BluePlane, the Tansel Ersavas and John Magnifico company and on their name I'm announcing this. If someone is interested just drop a mail and I will send (or put to download) the .cs. Cheers. gsa.

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[squeak-dev]( picoVerse-:( ? MIT vs LGPL ? ) )
by Kjell Godo 28 Mar '08

28 Mar '08

Which is better if you want Smalltalk code to be includeable in the base Squeak? MIT or LGPL? I have a large Generator Package(s) that is all marked up as GPL in Dolphin Smalltalk. I think that this Generator stuff could take a place alongside Collections and Streams in the base Squeak / Croquet image. I am reluctant to think about porting from Dolphin to Squeak. I tend to sign myself up for things that I can't do. I'm gung ho for about a day and then reality sets in. It's easier just to talk. To dream. But I guess the idea that it might get into the Squeak image makes it more attractive. To try. To even think about. ( Some resistances come to mind. Perhaps it's not up to the generally accepted practice of including practically zero documentation? And could not be included for that reason? The change log is too big. There are long rants in there. poetics. nonsense. the included text looks like some Mandelbrot set? With too many usage examples and ideas written into the comments? ) Are there any automated ways of going from Dolphin to Squeak? File out Class by Class and fileIn and copy method by method? If I strip out some stuff from Dolphin Packages would they just fileIn to Squeak? But if there are no loose methods in Squeak Packages then the whole thing is impossible. It would be cool if there was some standard way to transfer code between the different Smalltalks. But I guess they are just too different. And the idea of making a commonality comes and goes. But never sticks. -Kjell

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Getting latest activities
by Bert Freudenberg 28 Mar '08

28 Mar '08

Folks, just had to upgrade yet another XO to latest update.1 and lost the activities. Didn't want to fiddle with USB stick etc. So I updated my activity script to install the default set of activities without any further options: http://dev.laptop.org/~bert/update-activities.py Getting the activities back is then as simple as wget dev.laptop.org/~bert/update-activities.py python update-activities.py ... which also works from the ctrl-alt-meshkey console. - Bert -

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