Squeak-dev April 2003

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171 participants
517 discussions

Building GUI Apps
by Steve Graham 29 Apr '03

29 Apr '03

I'm interested in building GUI apps. I've dabbled a bit with Smalltalk V in the (way) past and have spent the greater part of 22 years using procedural 3rd generation languages. Any comments on where to start? Also, I noticed last night that there is a binding between Squeak and Berkley (sp?) DB. Any advice on how to start using this? I do have experience with B-Tree databases. TIA, Steve Graham __________________________________________________ Do you Yahoo!? Yahoo! Tax Center - File online, calculators, forms, and more http://tax.yahoo.com

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RE: [OT] Holy cow! 273 squeak e-mails since Friday!
by Norton, Chris 29 Apr '03

29 Apr '03

Thanks Ned and Göran. :-) This is what I get for taking the weekend off and going on a 3 day business trip... Cheers, ---==> Chris

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Exception handling question
by Chris Muller 28 Apr '03

28 Apr '03

When I run the following in a workspace, I expect to see: passing progress notification resumed in the Transcript. Instead, I see: passing resumed Here's the code: [ [ ProgressNotification signal: 'test'. Transcript cr; show: 'resumed'. ] on: Notification do: [ : n1 | n1 isNested ifTrue: [ Transcript cr; show: 'passing'. n1 pass ]. Transcript cr; show: 'general notification'. n1 resume ] ] on: ProgressNotification do: [ : n2 | Transcript cr; show: 'progress notification'. n2 resume ] I expected the "n1 pass" to cause it to run the code in the outer handler, but it appears it may instead just be running its defaultAction. Is this correct? Thanks, Chris __________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. http://search.yahoo.com

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Arrays v. otherCollections
by Jimmie Houchin 28 Apr '03

28 Apr '03

Hello, I am merely seeking some wisdom from those with experience where I have none. :) I was experimenting with code I was writing and was testing differences in performance between Array, OrderedCollection and Dictionary. The difference was significant. Array is amazing (performance wise). I have not concluded my testing to discover differences in creation vs. differences in retrieving data. My question. When dealing with a known static form like a book, would there be any reason to choose something other than an Array? #(Book #(Chapters #(Verses #(Text)))) Is there anything I should be aware of when creating multi-dimensional Collections? Thanks for any wisdom. Jimmie Houchin

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Re: [fix] Problem with ByteArray and FFI??
by Chris Muller 28 Apr '03

28 Apr '03

Michael van der Gulik wrote: > Luckily, the problem is easy to fix: ByteArray>>maUint:at and > maUint:at:put both have handy (big-endian?) alternative implementations > at the end of the function. Commenting out the first part of these > methods works quite nicely.. I think. Untested, but it doesn't crash and > burn this time. Yes, these "alternative implementations" work exactly the same as their FFI counterparts, except for speed. You should be able to leave the code commented out, however, since Magma spends a LOT of time in these two methods, so it may make it run slower, but it should still work. Also, I believe it uses little-endian format, not big. > A question remains: something like ByteArray>>integerAt:.... seems like > fairly basic functionality. Why aren't these just "normal" primitives, > or at least compiled into core Squeak instead of in the FFI (which I > assume to be the Foreign Function Interface). FFI is platform dependant. I'd love to see this be made non-platform dependent, and also for it to be pluggable with arbitrary bit-sizes, as maUint:at:, and maUint:at:put: are. If this were done, Magma would probably run quite faster. :-) Regards, Chris __________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. http://search.yahoo.com

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Re: [ANN] [Win32] [VM]: 3.4.4 VM released (fix for NT crashes)
by Bruce ONeel 28 Apr '03

28 Apr '03

Should I update the .zip file on the ftp site? Thanks! cheers bruce "Andreas Raab" <andreas.raab(a)gmx.de> wrote: > Richard voici la solution pour Squeak 3.5 NT > > Hi Guys, > > I just released a new VM which will hopefully fix the crashes reported > on > NT. Can someone please verify that this it works the way I'm thinking it > should? ;-) > > As usual, everything is up at source forge: > > http://sourceforge.net/project/ > showfiles.php?group_id=5506&release_id=155385 > > Cheers, > - Andreas

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[BUG] [SqueakMap] Zurgle doesn't install into 3.5 image
by Ned Konz 28 Apr '03

28 Apr '03

Fresh 3.5 image. Open Package Loader. Turn off "display only packages for this version". Download "Zurgle for 3.4". Works fine. Install (from Package Loader menu) "Zurgle for 3.4". Get a "server not responding" error. What's up? -- Ned Konz http://bike-nomad.com GPG key ID: BEEA7EFE

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modal dialog
by hanax_s＠centrum.sk 28 Apr '03

28 Apr '03

hello. I am student from Slovakia. I started Squeaking before few weeks ago and I am really newbie here... So I need help. I have one Morph and before I create it I need to setup its preferences, so I need some kind of Modal dialog window. I designed one by assembling some parts, but still I don't understand how to "programatically" show/hide it when I need and make it modal. Please, help me. Thanks. HANAX ------------------------------------------------------------------------ Vyskúšaj Aquafresh Whitening systém - pre žiarivo biele zuby, intenzívne svieži dych a celé Tvoje ústa. Súťaž o 10.000,- Sk! http://ad.centrum.sk/link/?cid=1278&banner=1

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Re: Magma isn't working, I beg to differ
by Chris Muller 28 Apr '03

28 Apr '03

> I ran into this as well - but I think it was because the parent > directory didn't exist. > Once I created the parent directory it created the file. > I then launched the server and saved the image. > After relaunching the image (this time from the command line so I could > get multiple executables going), the image's UI was frozen. This was > two weeks ago - I haven't tried since. Hello folks, just wanted to say that Magma is quite stable and that, when used as directed, seems to work well and reliably. I have not used it under any platform except Windows, but I know Avi has tested it under Linux. Yes, when you create a repository, the path where you are creating it needs to exist. And, yes, Squeak's Socket framework cannot survive an image save (e.g., any listening Sockets will be terminated). Why did you save the image with the Magma server running? I believe the documentation on the Swiki says you should send #shutdown to the Magma server when you're done using it. This is presumed to be before you save the image. Regards, Chris __________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. http://search.yahoo.com

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Re: Magma Install Qs
by Chris Muller 28 Apr '03

28 Apr '03

Jimmie Houchin wrote: > I saw little indication in SM that Magma Tester would provide everything > or that there was so much overlap. Yes, there is little/no indication in SqueakMap. It's on the Swiki. I'll see about improving that. But you came to exactly the correct conclusion with regard to the prerequisites. If you install Magma tester, you have EVERYTHING you need. And yes, Magma server includes Magma client. > Seems the install packages need to be > refactored considering the commonality and prerequisite nature of some > of the packages. Actually, it's because they *are* well-factored that has led to this confusion. Prerequisite packages are a fact of any modularized system. SqueakMap is a wonderful system that has given us one-click install of packages. Unfortunately, it does not support prerequisites, which Magma requires. However, I didn't want to abandon SqueakMap's flagship feature (one-click installation). My solution was my own private enhancement to SARDumper so it would include all prerequisite packages as defined in MagmaTesterPackageInfo>>prerequisitePackages. This solution works well for keeping with simple one-click installation, but the disadvantage for me is, whenever a prereq package changes such as Magma client, I have to deploy new versions of server and tester as well. I'm glad you got it going, let me know if you have any other issues. __________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. http://search.yahoo.com

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