Squeak-dev March 2006

squeak-dev@lists.squeakfoundation.org

177 participants
255 discussions

Mantis 1415 and FFI shorts
by tim Rowledge 30 Mar '06

30 Mar '06

This bug has been sitting around a while and should be killed. Putting aside the debate it lead to about where certain prims should go, what is the opinion on the original problem? Contributions to the actual mantis report please, rather than email. tim -- tim Rowledge; tim(a)rowledge.org; http://www.rowledge.org/tim Fractured Idiom:- LE ROI EST MORT. JIVE LE ROI - The King is dead. No kidding.

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A link to launch Squeak ?
by Damien Cassou 29 Mar '06

29 Mar '06

Hi, for Ubuntu, we would like to get a link on the ubuntu menu to launch Squeak. I thought about a script which would look like: - create a ~/.squeak directory if it does not exist yet - Add image, changes and sources files in ~/.squeak if there are not present (is this not what inisqueak usually do ?) - cd to ~/.squeak - launch squeak with the image Is it a good idea ?

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seaside@lists.squeakfoundation.org problem and Element position in WATree
by Dario Trussardi 29 Mar '06

29 Mar '06

Hello All, excuse me to use this squeak-dev(a)lists.squeakfoundation.org but when i send to seaside(a)lists.squeakfoundation.org i receve -> | You are not allowed to post to this mailing list, and your message has | been automatically rejected. If you think that your messages are | being rejected in error, contact the mailing list owner at | seaside-owner(a)lists.squeakfoundation.org. I have contact seaside-owner(a)lists.squeakfoundation.org but the problem persist. Do you have idea to resolve this problem ? Element position in WATree I work with VW 7.4 and i'am new to seaside. My first question was: is possibol to work with WATree not expanded all on the page, but in a "treeView list " with horizontal scroll bar ? resolved with : "html div style: 'height: 200px; overflow: scroll;" with: tree " by Lukas. ( thanks ) Now then open one node of tree the diplay start always to root of the tree. My question is : is possibol display the WATree positioned on the last node open ? Thanks & Regards, Dario Trussardi Romano

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Pictures sequenzes Probleme :-((.
by radouane el marjani 29 Mar '06

29 Mar '06

Hi, I need your help, I have 3 pictures produced as "SketchMorphs". Now I want by using the Metohdes "startStopping" and "step" create sequenzes of these pictures. First I will see the picture "a", I want click on and il must coming pictures b then c. but that don't work. I would apreciate your help and I will writte my code below: ------------------------------------------------- Morph subclass: #Test instanceVariableNames: 'a b c path array' classVariableNames: 'TestMorph' poolDictionaries: '' category: 'testRadouane' ----------------------------------------------------- initializedisplays a := SketchMorph fromFile: 'bilder\display\display.gif'. b:= SketchMorph fromFile: 'bilder\display\nachrichten.gif'. c:= SketchMorph fromFile: 'bilder\display\telefonbuch.gif'. array:=Array new:3. array at:1 put:a. array at:2 put:b. array at:3 put:c ------------------------------------------------------------- startAnimation path := OrderedCollection new. 2 to: 3 do: [:i | path add: (array at:i)]. path inspect. self startStepping. ----------------------------------------------------------------- step path := OrderedCollection new. 2 to: 3 do: [:i | path add: (array at:i)]. path inspect. path size > 0 ifTrue: [ a addMorphFront: path removeFirst. a openInWorld.]. ------------------------------------------------------------------ stepTime ^50 ------------------------------------------------------------------- initialize super initialize. self initializedisplays. a openInWorld. a on: #mouseDown send: #startAnimation to: self. ------------------------------------------------------------------------ Now I tip in Workspace as below: test _Test new -------------------------------------------------------------------------- I can see the first pictur but beim clicken on this Photo, it will not so working as I want!!!:-( Have someone an idea. Thanks for your help, Radouane. ___________________________________________________________________________ Nouveau : téléphonez moins cher avec Yahoo! Messenger ! Découvez les tarifs exceptionnels pour appeler la France et l'international. Téléchargez sur http://fr.messenger.yahoo.com

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opengl graphics in squeak
by Cesare Marilungo 29 Mar '06

29 Mar '06

I see that Balloon3D has been removed in the 3.9alpha images. Why? I installed the 1.0.4 sar and it seems to run well in the latest squeak image released and I'm still reading the tutorial but I was wondering if there's a way to program directly in opengl inside squeak and which is the planned future for 3d support. Thanks in advance. Cheers, c. -- www.cesaremarilungo.com

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Re: Squeak Chat Sunday April 2nd 08:00 GMT
by Lord ZealoN 29 Mar '06

29 Mar '06

Exists some log about this chats? I can't assist at the same moment. 2006/3/29, Ken Causey <ken(a)kencausey.com>: > Just a reminder that the next Squeak Chat will take place between > 08:00 (8 AM) and 12:00 (Noon) GMT Sunday April 2nd, 2006. > > As usual we will meet in #squeak on irc.freenode.net. More information > about the #squeak IRC channel can be found at > > http://people.squeakfoundation.org/article/7.html > > This is a good time to contribute to the development of Squeak > by participating in the Harvesting Process. One of the main > ways to contribute is by Reviewing submitted fixes and > enhancements. For information about the Harvesting Process > see > > http://minnow.cc.gatech.edu/squeak/3152 > > If you have the time please attend and work toward the future of Squeak. > > The next seven chats are scheduled for > > 12:00 (12:00 PM) GMT Thursday April 06, 2006 > > 16:00 (04:00 PM) GMT Monday April 10, 2006 > > 20:00 (08:00 PM) GMT Friday April 14, 2006 > > 00:00 (12:00 AM) GMT Wednesday April 19, 2006 > > 04:00 (04:00 AM) GMT Sunday April 23, 2006 > > 08:00 (08:00 AM) GMT Thursday April 27, 2006 > > 12:00 (12:00 PM) GMT Monday May 01, 2006 > > -- ::Mi blog:: http://blog.lordzealon.com

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[ANN] Aconcagua - A model of Measures
by Hernan Wilkinson 29 Mar '06

29 Mar '06

Hi, we create a packaged named Aconcagua at SqueakSource. This model represents measures as first class objects, that is, an object that encapsulates a number with its unit. We uploaded a FAQ to its SqueakSource wiki, with some examples. The model includes almost 600 tests that can be used as examples also. We use this model in many of the financial applications we wrote and it is used by the Gregorian Calendar model we are going to upload soon (the one presented at ESUG last year). The package is going to be available for VisualAge, GemStone, VisualWorks and Dolphin. (Right now only on Squeak, VisualAge and GemStone). There is also a practitioner report we wrote for OOPSLA about this model: (http://portal.acm.org/citation.cfm?id=1094964&coll=ACM&dl=ACM&CFID=72196433… <http://portal.acm.org/citation.cfm?id=1094964&coll=ACM&dl=ACM&CFID=72196433…>) We hope you like it. Bye, Hernan. -- ______________________________ Lic. Hernán A. Wilkinson Gerente de Desarrollo y Tecnología Mercap S.R.L. Tacuari 202 - 7mo Piso - Tel: 54-11-4878-1118 Buenos Aires - Argentina http://www.mercapsoftware.com --------------------------------------------------------------------- Este mensaje es confidencial. Puede contener informacion amparada por el secreto profesional. Si usted ha recibido este e-mail por error, por favor comuniquenoslo inmediatamente via e-mail y tenga la amabilidad de eliminarlo de su sistema; no debera copiar el mensaje ni divulgar su contenido a ninguna persona. Muchas gracias. This message is confidential. It may also contain information that is privileged or otherwise legally exempt from disclosure. If you have received it by mistake please let us know by e-mail immediately and delete it from your system; you should also not copy the message nor disclose its contents to anyone. Thanks. ---------------------------------------------------------------------

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Squeak Chat Sunday April 2nd 08:00 GMT
by Ken Causey 29 Mar '06

29 Mar '06

Just a reminder that the next Squeak Chat will take place between 08:00 (8 AM) and 12:00 (Noon) GMT Sunday April 2nd, 2006. As usual we will meet in #squeak on irc.freenode.net. More information about the #squeak IRC channel can be found at http://people.squeakfoundation.org/article/7.html This is a good time to contribute to the development of Squeak by participating in the Harvesting Process. One of the main ways to contribute is by Reviewing submitted fixes and enhancements. For information about the Harvesting Process see http://minnow.cc.gatech.edu/squeak/3152 If you have the time please attend and work toward the future of Squeak. The next seven chats are scheduled for 12:00 (12:00 PM) GMT Thursday April 06, 2006 16:00 (04:00 PM) GMT Monday April 10, 2006 20:00 (08:00 PM) GMT Friday April 14, 2006 00:00 (12:00 AM) GMT Wednesday April 19, 2006 04:00 (04:00 AM) GMT Sunday April 23, 2006 08:00 (08:00 AM) GMT Thursday April 27, 2006 12:00 (12:00 PM) GMT Monday May 01, 2006

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RE: Segmentation faults and friends.
by Peter Crowther 28 Mar '06

28 Mar '06

> From: Michael van der Gulik > should the VM *never* crash and protect > against very curious, stupid programmers like myself, or > should it work > fine until the programmer becomes curious and stupid? It should work find until programmers become curious and stupid. Curious and clever programmers experiment using InterpreterSimulator... - Peter, tongue in cheek

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Segmentation faults and friends.
by Michael van der Gulik 28 Mar '06

28 Mar '06

Hi all. This is a rather philosophical question: is it a bug if the VM crashes, showing either a General Protection Fault, Segmentation Fault and core dump, or whatever the local operating system does? I've discovered a few ways of generating segmentation faults (under Linux) using Squeak. One was playing around with CompiledMethods; I accidently broke a literal reference such that when the garbage collector ran, Squeak crashed. This may or may not be a bug depending on whether you want to add bounds checking to the garbage collector, which may have a performance penalty. Another way is the following, done in the workspace: b := BlobMorph class. m := Metaclass new. m superclass: (b superclass) methodDictionary: (b methodDictionary) format: 2. t := m new. t class printIt. In this case, format is invalid. It should be 152. Here, I was just being stupid. So the question, again, is: should the VM *never* crash and protect against very curious, stupid programmers like myself, or should it work fine until the programmer becomes curious and stupid? Michael.

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