Squeak-dev March 2006

squeak-dev@lists.squeakfoundation.org

177 participants
255 discussions

Re: [Q] Squeak feature bounties
by Russell Allen 08 Mar '06

08 Mar '06

I don't think that the squeak community is large enough for an un-targetted bounty list to work straight off. There aren't enough people floating around with time on their hands but without projects of their own... I agree that the Google summer of code would be a much better model. Pick a feature, find a student or programmer who would like to implement it, collect the money. You would need a clear understanding of who is going to do the work, a clear timetable for the work being done and someone to monitor progress. To give a more concrete example: My personal wishlist for Squeak is mostly focussed around making the image a place where I can live, rather than a nice place to visit. One of my needs for living in Squeak is a decent HTML renderer; either pure smalltalk (hard) or something like KHTML wrapped as a primitive (easier). Assuming this is the goal, the first step would be to find someone suitably qualified and keen to implement it and to work out a suitable payment. We could then set up an account on a site like fundable.org where people pledge money on the understanding that they only have to pay if enough money is pledged and the goal is reached; or go the 'low-tech' solution and have someone keep track of promises by email and a website. Best wishes, Russell mail(a)russell-allen.com

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[Goodie] Demo Mode: easy large fonts
by Marcus Denker 07 Mar '06

07 Mar '06

Change Set: DemoMode-md Date: 7 March 2006 Author: Marcus Denker This enhancements adds a menu entry into the System Fonts menu: Demo Mode This sets all fonts used in the Browser and Workspace to be much larger, thus providing a setup much better suited for giving presentations using projection or screens that are far away. Additional changes: - Fix Workspace to use CodeFont - delete StringHolder>>#openAsMorphLabel:inWorld: (no senders, duplicate code)

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REMINDER: Squeak Chat Wednesday March 8th 08:00 GMT
by Ken Causey 07 Mar '06

07 Mar '06

Just a reminder that the next Squeak Chat will take place between 08:00 (8 AM) and 12:00 (Noon) GMT Wednesday March 8th, 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 Sunday March 12, 2006 16:00 (04:00 PM) GMT Thursday March 16, 2006 20:00 (08:00 PM) GMT Monday March 20, 2006 00:00 (12:00 AM) GMT Saturday March 25, 2006 04:00 (04:00 AM) GMT Wednesday March 29, 2006 08:00 (08:00 AM) GMT Sunday April 02, 2006 12:00 (12:00 PM) GMT Thursday April 06, 2006

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mpeg3plugin and intel and mmx
by John M McIntosh 07 Mar '06

07 Mar '06

I'm wondering if anyone in the last 5 years or so has bothered to compile the mpeg3plugin source with HAVE_MMX on? If so please let me know, first I'm not sure if any of the MMX magic in the source code actually works, also beyond the fact that it complained about long long constants not being declared as LL it chokes on /libmpeg/video/slice.c:247: error: can't find a register in class 'BREG' while reloading 'asm' -- ======================================================================== === John M. McIntosh <johnmci(a)smalltalkconsulting.com> 1-800-477-2659 Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com ======================================================================== ===

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[Smalltalk Positions]
by Slavik Zorin 07 Mar '06

07 Mar '06

Synchrony Systems is expanding its Professional Services and R&D departments in our Westchester, NY location. We're looking for experienced hands-on Smalltalk engineers with strong skills in Object Technology. A candidate must have strong analytical skills; have good knowledge of modern application architectures and previous experience developing and/or coding to popular application frameworks. Additional Java and C# skills are a big plus. Work on application re-engineering projects revamping legacy Smalltalk architectures to SOA. These projects include deep source code refactoring, de-coupling presentation semantics from the domain, componentization, namespace re-configuration and re-organization, dead-code analysis and removal and other design-upgrade related projects. Most of the work is done at Synchrony Westchester location. Some travel may be required. Work with a senior advanced Smalltalk R&D team to develop and evolve Synchrony's flagship product SMT (Software Modernization Technology). SMT is a comprehensive analytical, refactoring and source code and UI transformation platform supporting all commercial Smalltalk platforms. Candidates must have strong VAST hands-development experience and deep knowledge of programming languages and type systems. Synchrony Systems is known worldwide as a software migration and modernization company. For more information, please visit our website at http://www.synchronysystems.com <http://www.synchronysystems.com/> . Please, send your resume to: Email: hr_department(a)synchronysystems.com To speak with us by phone, please contact Mr. Zorin at: Phone: 914 332-7772 ext. 610 Fax: 914 332-7773

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Strange behavior with the delete key in MacOSX
by Alexandre Bergel 06 Mar '06

06 Mar '06

Hello, Time to time I encounter a problem with my keyboard when Squeak is launched. However I cannot assess the problem comes from Squeak itself or not. This problem is that the 'delete' key does not produce what is expected. In a xterm, when I press this key, the character ~ is displayed instead, and the character where the cursor is is not removed. Same thing for Ctl-K, to delete a line in a xterm, the line is not deleted. I am not sure I describe the problem well, but I think that if someone already bumped into it knows what I mean. This problem occurs only when Squeak is open... Am I the only one ? For info, I use the 3.8.6Beta6 VM, and the version of MacOSX is 10.4.5 Hoping someone has more information... Regards, Alexandre -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.cs.tcd.ie/Alexandre.Bergel ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

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[Goodie] Profile It Menu Item
by Ken Causey 06 Mar '06

06 Mar '06

This is my attempt to implement a menu item 'Profile It' like 'Tally It' and friends. You can find it at http://kencausey.com/squeak/ProfileIt-klc.2.cs.gz and it is attached.

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Re: About use of specific error
by Chris Muller 06 Mar '06

06 Mar '06

> I'm sure that it is possible to make a system for > using exceptions > that is clear, intelligable and well engineered. We > just don't have > one yet. Hm. Well, I find Squeaks exceptions clear, intelligble and well-engineered enough that they at least seem to work (though I can't speak for the innards). Any programmer can learn about their features in just a few minutes by simply experiementing with them. Have you used Java exceptions? They unwind *before* the handler (making debugging difficult). They can't ever resume, they've no defaultActions, no retries, and no pass without rethrowing. I find all of these functions useful, so Java exceptions are woefully underpowered and yet still quite confusing due to the messy "checked" vs. "unchecked" business.. > Message: 7 > Date: Fri, 3 Mar 2006 21:42:43 -0800 > From: tim Rowledge <tim(a)rowledge.org> > Subject: Re: About use of specific error > To: The general-purpose Squeak developers list > <squeak-dev(a)lists.squeakfoundation.org> > Message-ID: > <AFA47D8A-D636-4FB8-B055-8FD7B0A394D6(a)rowledge.org> > Content-Type: text/plain; charset=US-ASCII; > delsp=yes; format=flowed > > > On 3-Mar-06, at 6:48 PM, David T. Lewis wrote: > > > > I have a hunch that there is a human factors > aspect of this also. > > In practice, programming with exceptions seems to > attract some of > > the worst elements of human (and organizational) > behavior. > Can't argue with that; you only have to look at code > to quickly gain > that feeling. They're complicated. They're cool. > They're so obviously > clever stuff. You just have to use them all over the > place to look > like you really, really, know hard programming. It's > part of being a > hotshot c001d00d codemonkey. > > Exceptions are really nothing more than a way of > throwing your hands > up and screaming > "somebody up there help me!" or a way to send a > warning or progress > signal up the callstack. I've noticed on a number of > occasions that > people tend to forget that 'up the callstack' part. > The tricky bit, > the stuff that causes much of the confusion is the > strange and > complex things you can do when handling an > exception. Add in nesting > and pass throughs and returnWith and it's no wonder > it gets to be too > much. > > I claim there's a serious lack of tools to help with > making use of > exceptions which merely adds to the feeling of a big > disconnect > between the code raising the exception and a > possible handler. Add in > the inheritance that makes it possible for some code > to signal > FooBarException and for it to be handled in code > that refers to > WibbleException and you can lose anyone, even me. Oh > and then there's > bugs to toss in as well; non-proceedable exceptions > that can proceed > and so on. > > > > tim > -- > tim Rowledge; tim(a)rowledge.org; > http://www.rowledge.org/tim > Useful random insult:- If you called him a wit, > you'd be half right.

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Plopp and Teddy (was: An interesting presentation and discussion, maybe still is)
by David Faught 06 Mar '06

06 Mar '06

Darius Clarke wrote: >David, Hi Darius, >What do you think of Blender 3D for general 3D creation and import to >Croquet? Too hard? Too difficult to import? or still OK? Blender 3D is a powerful and free tool for 3D model creation. It was originally made as a professional proprietary tool for a design studio and then later released as freeware. It has a large active user and developer community. It can export to VRML 2 and OBJ formats, both of which can be imported to Croquet with packages that are available on Squeakmap. It can also export BVH format, which is a "bones" representation of object animation, which recent updates for Jasmine Croquet can import. It is a very powerful and useful tool. All that being said, I don't much like the Blender GUI, as it is not at all friendly for the casual user. Some Blender documents describe the GUI as being workflow-oriented for the professional designer. It has a large learning curve. I still use Blender because of its power and ease of moving content to Croquet, but I would really prefer to use a more friendly tool. >Cheers, >Darius Cheers, Dave

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Last reminder: Brussels Smalltalk party 11th March
by Cees De Groot 06 Mar '06

06 Mar '06

(that is this saturday, folks!) In case you missed it or forgot to register: this Saturday there'll be a Smalltalk party in Brussels at the Free University. Details in http://prog.vub.ac.be:8080/SmalltalkParty/ The program is quickly filling, five presentations so far and I'm sure that plenty of other stuff will be organized on the spot (it's a party after all). The attendee list is growing, but I think we still can host more people :-). It looks like a fun event in a fun city, so book now before it's too late! See you on Saturday (or Friday - lots of people stay at the Belmont hotel, you can come over there if you arrive on Friday), Cees

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