Squeak-dev July 2004

squeak-dev@lists.squeakfoundation.org

146 participants
464 discussions

[BUG]ProjectViewMorph in a SystemWindow
by Karl Ramberg 08 Jul '04

08 Jul '04

When ProjectViewMorphs get added to SystemWindows, SystemWindow>>addMorph:fullFrame wants to add a border to the ProjectViewMorph. The problem seems to be that ProjectViewMorphs (and ImageMorphs) grows out the borderWidth unlike other morphs who shrink the borderWidth. The ProjectViewMorph is therefor offset in the SystemWindow. Karl

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remove: and GOODS -- identity problems?
by Ragnar Hojland Espinosa 08 Jul '04

08 Jul '04

I have anObj inside aSet that I pull out of GOODS, and that I want to remove. aSet remove: anObj This fails with Error: Object is not in the collection. This: detected _ aSet detect: [:each | each = anObj ] aSet remove: detected. does detect it (also with ==) but remove: fails too. This: aSet _ aSet select: [:each | each ~= anObj ] works. Why is remove: complaining? -- Ragnar Hojland - Project Manager Linalco "Specialists in Linux and Free Software" http://www.linalco.com Tel: +34-91-4561700

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Harvesting Party Monday July 12th 05:00 GMT
by Ken Causey 08 Jul '04

08 Jul '04

Just a reminder that the next Harvesting Party will take place between 05:00 (5 AM) and 09:00 (9 AM) GMT Monday July 12th, 2004. 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 Information about the Harvesting Party idea can be found at http://people.squeakfoundation.org/article/29.html If you have the time please attend and work toward the future of Squeak. The next seven parties are scheduled for 09:00 (09:00 AM) GMT Friday July 16, 2004 13:00 (01:00 PM) GMT Tuesday July 20, 2004 17:00 (05:00 PM) GMT Saturday July 24, 2004 21:00 (09:00 PM) GMT Wednesday July 28, 2004 01:00 (01:00 AM) GMT Monday August 02, 2004 05:00 (05:00 AM) GMT Friday August 06, 2004 09:00 (09:00 AM) GMT Tuesday August 10, 2004

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[FIX] BeforeAfterIfAbsentFix-ac
by andrew＠beta4.com 08 Jul '04

08 Jul '04

Made SequenceableCollection>>before:ifAbsent: and SequenceableCollection>>after:ifAbsent: work as advertised: - previously, these methods raised an Error when the element passed in is the first or last one, respectively, when they should have executed the ifAbsent block, as the comments in the method state

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Arrow Keys to control movement of a Morph
by Milan Zimmermann 08 Jul '04

08 Jul '04

Hello, For a simple game I'd like to use up/down/left/right keys to control movement of a Morph, preferably in eToys (did not find it though). I tried to find any code that would help me, but no luck. Would someone have a suggestion on how to do something like this: Make Morph listen to the Up/Down/Left/Righ arrow movements (and change it's direction of movement based on that) Thanks

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[feedback][SM][Monticello] packages systems
by Stephan Rudlof 08 Jul '04

08 Jul '04

Dear All! I want to provide some feedback. To me: I've heavily worked with Squeak a few years ago, made some pause for different reasons and have now come back somewhat. Note: the term 'package' means here an arbitrary amount of code - building a semantic unit, - separated from other code, - in an arbitrary format, - accessible by some URL. Tools for Administrating and Providing Squeak Packages ------------------------------------------------------ To get an overview you have to look into many things. There are tools for administrating and especially loading packages: PackageLoader, MonticelloBrowser. There are tools for generating packages: Monticello, ChangeSetBrowser, other Browsers. There are repositories: - SqueakSource (http://kilana.unibe.ch:8888) for Monticello repositories, - SqueakMap (http://map1.squeakfoundation.org/sm/) for packages in arbitrary formats. There is a web site for documentation of all this stuff: - Squeak Swiki (http://minnow.cc.gatech.edu/squeak/). SqueakMap --------- SM is great! Monticello and SqueakMap ------------------------ It's difficult to see the best way for publishing a Monticello package: - Directly at the SqueakMap server? - Or at SqueakSource? - Or at your own domain? I assume that for collaborate work SqueakSource is the way to go. The SM packages are shown in PackageLoader, but Monticello packages may have some dependencies just shown in the MonticelloBrowser. Dependency System ----------------- A SM dependency mechanism is lacking. There is some Monticello depency mechanism. If SM gets one soon the ... Namespaces ---------- I remember the efforts to install Environments for separating namespaces, which habe been abandoned after a first trial to work with them. But without namespaces adding methods to classes more than one package depends on is potentially dangerous since it can break things. -- Stephan Rudlof (sr(a)evolgo.de) "Genius doesn't work on an assembly line basis. You can't simply say, 'Today I will be brilliant.'" -- Kirk, "The Ultimate Computer", stardate 4731.3

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[ANN] [VW] FileOut30
by Roel Wuyts 07 Jul '04

07 Jul '04

Hi all, This is an announcement for a piece of code for VisualWorks :-) I extended the FileOut30 package so that it has support to file out Squeak code from VisualWorks 7 (next to Dolphin, VA, ...). So in case anyone is in dire need for this.... the usual disclaimers apply: it is probably incomplete etc. I use it successfully to output the new version of the Classifications Model and StarBrowser from VW to Squeak (yes, yes, I am trying to find some time to work on that again...), so it can at least do certain things right :-) -- Roel Wuyts DeComp roel.wuyts(a)ulb.ac.be Université Libre de Bruxelles http://homepages.ulb.ac.be/~rowuyts/ Belgique Board Member of the European Smalltalk User Group: www.esug.org

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RE: Using video input in Squeak
by Rob Hensley 07 Jul '04

07 Jul '04

That's exactly where I got the idea for the project! Do you have any suggestions as to where to start looking for interface code/demos? -----Original Message----- From: squeak-dev-bounces(a)lists.squeakfoundation.org on behalf of goran.krampe(a)bluefish.se Sent: Wed 7/7/2004 3:00 PM To: The general-purpose Squeak developers list Cc: Subject: Re: Using video input in Squeak Hi Rob! "Rob Hensley" <HensleyRj(a)Rockhurst.edu> wrote: > Hello fellow Squeakers! > > I am a novice Squeaker, but love it so far. I am working on a project > that combines real actors (captured with a video camera) and virtual > entities (in this case, Morphic balls similar in design to the AtomMorph > demo) that will interact in real-time on screen. My problem is finding > code samples or demos of how to take the input from the video camera and > use the image to create a Morph object on screen. Has anyone seen > anything like this before? Are there any demos that anyone knows about > that use video input that I could use as an inspiration?=20 > > Any help would be greatly appreciated! > > Rob Eh... you know - this is EXACTLY what Martin McClure did with the Flying Karamazov brothers! He demoed it on the Squeak BOF 2002 - it was great. See more: http://www.google.com/search?q=Karamazov+brothers+Squeak&sourceid=firefo x&start=0&start=0&ie=utf-8&oe=utf-8 Here you can see it in action: http://www.fkb.com/luni_media.html regards, Göran

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Using video input in Squeak
by Rob Hensley 07 Jul '04

07 Jul '04

Hello fellow Squeakers! I am a novice Squeaker, but love it so far. I am working on a project that combines real actors (captured with a video camera) and virtual entities (in this case, Morphic balls similar in design to the AtomMorph demo) that will interact in real-time on screen. My problem is finding code samples or demos of how to take the input from the video camera and use the image to create a Morph object on screen. Has anyone seen anything like this before? Are there any demos that anyone knows about that use video input that I could use as an inspiration? Any help would be greatly appreciated! Rob

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Gesture input?
by David Faught 07 Jul '04

07 Jul '04

This looks like an interesting keyboard, but a little pricey. Anyone have one? http://www.thinkgeek.com/computing/input/keyboards/5fff/ __________________________________ Do you Yahoo!? Read only the mail you want - Yahoo! Mail SpamGuard. http://promotions.yahoo.com/new_mail

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