Squeak-dev February 2018

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51 participants
149 discussions

About customizing Squeak -> custom world menu?
by H. Hirzel 24 Feb '18

24 Feb '18

Hello The wiki page "Customizing the Squeak UI" http://wiki.squeak.org/squeak/1008 refers to instructions how to create your custom world menu by referring to page "Subclassing MorphicProject, TheWorldMenu and PasteUpMorph" http://wiki.squeak.org/squeak/6461 The instructions on that page work fine. Are there simpler ways to create a customized world menu and hook it up as a parameter to a MorphicProject? Regards Hannes

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About customizing Squeak -> Preferences personalizedWorldMenu
by H. Hirzel 24 Feb '18

24 Feb '18

Hello A note: The other thread 'About customizing Squeak -> custom world menu' is about customizing the left click desktop menu. But there is also the option of getting a personalized right button click menu. Squeak 3.8.1 (see screenshot) has an entry 'personalize ...' in the right-click menu. Since Squeak 4.4 (maybe earlier) this is no longer available. Still available are Preferences personalizedWorldMenu and Preferences personalizeUserMenu: aMenu But setting the preference personalizedWorldMenu to 'enabled' has no effect. I wonder how to activate it. Regards Hannes

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Survey: what do you do with Squeak, what do you *want* to do?
by Andrew Coward 23 Feb '18

23 Feb '18

On Thu, Feb 22, 2018 at 3:36 PM, tim Rowledge <tim(a)rowledge.org> wrote:At the latest board meeting we got to discussing the relative quietness of the squeak list(s) recently. We were wondering what you folks out there are doing with Squeak, what you'd like to be able to use it for, the things that you think would be important to improve it for wider use and so on. Please, whether you're a frequent user or an occasional look-at-the-list type, take a moment to let us know your opinions. What do you use Squeak for? On Thu, Feb 22, 2018 at 3:36 PM, tim Rowledge <tim(a)rowledge.org> wrote:At the latest board meeting we got to discussing the relative quietness of the squeak list(s) recently. We were wondering what you folks out there are doing with Squeak, what you'd like to be able to use it for, the things that you think would be important to improve it for wider use and so on. Please, whether you're a frequent user or an occasional look-at-the-list type, take a moment to let us know your opinions. What do you use Squeak for? I have been using Smalltalk since the late 1980s, originally Smalltalk V286 and have moved through later versions. I use it for modelling populations of neurons with a selected degree of physiological plausibility, organized into networks corresponding with cortex, hippocampus, thalamus, basal ganglia etc. with a selected degree of anatomical plausibility.My key reason for using Smalltalk is that it is comparatively easy to make changes to the architecture of the neuron network. As a comparison, a number of years ago a graduate student ported the system into C++. The ported system ran a bit faster, but any time there was a need to make a change, it took much longer (typically a couple of weeks compared with half an hour with Smalltalk).I don't make much use of morphic etc. I collect numerical data from network simulations to assess learning effectiveness. I stay on the Squeak list to have an idea of what is going on, and occasionally to get help with a problem. Andrew Coward

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The Trunk: Network-pre.219.mcz
by commits＠source.squeak.org 23 Feb '18

23 Feb '18

Patrick Rein uploaded a new version of Network to project The Trunk: http://source.squeak.org/trunk/Network-pre.219.mcz ==================== Summary ==================== Name: Network-pre.219 Author: pre Time: 23 February 2018, 8:01:29.067294 pm UUID: 730b43c6-9824-ce4e-ba60-0c5639be4f65 Ancestors: Network-ul.218 Fixes a regression causing long lines in mail bodys to be broken into shorter lines. This should only have been done for header values and even for them it only is a recommendation not a requirement. Further, the current implementation was not used in the mail sending process before the restructuring of the mail message model. =============== Diff against Network-ul.218 =============== Item was changed: ----- Method: MailMessage>>asSendableText (in category 'printing/formatting') ----- asSendableText + ^ self text! - | serializedMail | - serializedMail := self text. - ^ self wrapLinesOf: serializedMail! Item was removed: - ----- Method: MailMessage>>wrapLinesOf: (in category 'printing/formatting') ----- - wrapLinesOf: aString - - "break lines in the given string into shorter lines" - | result atAttachment width pastHeader | - width := 72. - result := WriteStream on: (String new: aString size * 50 // 49). - pastHeader := false. - atAttachment := false. - aString asString - linesDo: - [:line | | end start | - line isEmpty ifTrue: [pastHeader := true]. - pastHeader - ifTrue: - ["(line beginsWith: '--==') - ifTrue: [atAttachment := true]." - atAttachment - ifTrue: - ["at or after an attachment line; no more - wrapping for the rest of the message" - result nextPutAll: line. - result cr] - ifFalse: [(line beginsWith: '>') - ifTrue: - ["it's quoted text; don't wrap it" - result nextPutAll: line. - result cr] - ifFalse: - ["regular old line. Wrap it to multiple - lines " - start := 1. - "output one shorter line each time - through this loop" - [start + width <= line size] - whileTrue: - ["find the end of the line" - end := start + width - 1. - [end >= start and: [(line at: end + 1) isSeparator not]] - whileTrue: [end := end - 1]. - end < start ifTrue: ["a word spans the entire - width!! " - end := start + width - 1]. - "copy the line to the output" - result nextPutAll: (line copyFrom: start to: end). - result cr. - "get ready for next iteration" - start := end + 1. - (line at: start) isSeparator ifTrue: [start := start + 1]]. - "write out the final part of the line" - result nextPutAll: (line copyFrom: start to: line size). - result cr]]] - ifFalse: - [result nextPutAll: line. - result cr]]. - - ^ result contents!

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The Trunk: NetworkTests-pre.55.mcz
by commits＠source.squeak.org 23 Feb '18

23 Feb '18

Patrick Rein uploaded a new version of NetworkTests to project The Trunk: http://source.squeak.org/trunk/NetworkTests-pre.55.mcz ==================== Summary ==================== Name: NetworkTests-pre.55 Author: pre Time: 23 February 2018, 7:58:19.082294 pm UUID: 550f8ecc-049d-fc46-afce-219720fbe0d0 Ancestors: NetworkTests-pre.54 Adds a test which checks whether a long line in the body is correctly transmitted. =============== Diff against NetworkTests-pre.54 =============== Item was added: + ----- Method: MailMessageTest>>testSendableVersionHasCorrectLineBreaks (in category 'testing') ----- + testSendableVersionHasCorrectLineBreaks + + | newMail longContent | + "To create a string which is too long to very old recommendations + of the mail message format, which is about 70 characters." + longContent := ((1 to: 80) do: [:i | i asString]) joinSeparatedBy: ''. + newMail := self fixtureMail. + newMail body: ((MIMEDocument + contentType: MIMEDocument contentTypePlainText + content: longContent) + charset: 'UTF-8'; + yourself). + newMail := MailMessage from: newMail asSendableText. + self assert: (newMail bodyTextFormatted asString includesSubstring: longContent)!

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Re: [squeak-dev] Survey: what do you do with Squeak, what do you *want* to do?
by Tm Jhnsn 23 Feb '18

23 Feb '18

Hi Tim, Thanks for the opportunity for feedback! > What do you use Squeak for? I've used Squeak at home and (individually) at work over the past ten years, on various projects: * first, of course, a project to learn Smalltalk * later, some Seaside web apps with business purpose: * managing the schedules of student workers at a university * managing stakeholders of software offered in computer labs * building & filtering email lists from various other email lists * reporting on disk drive surveys at a non-profit datacenter * a lot of use of Chronology for Duration and friends * tools for importing obscure file formats and outputting human-readable formats At home I use Squeak to test and explore ideas. Many years ago (2009?), I followed Ian Piumarta's Porting instructions and made a functional, but not entirely complete, port of SqueakVM 2.3 to AmigaOS 3.x/m68k. > If you don't use Squeak, why not? At my last job, I shared some of my Squeak tools with coworkers, who privately grumbled that they were in Smalltalk. This left some kind of 'taint'; when I left this position and handed over my responsibilities, one of these coworkers was surprised to find that most or all of the tools I'd written were indeed in the preferred Python, not Squeak. > If you used Squeak in the past and don't now, what pulled you away? Over the past 5 years or so, it has been frustrating or impossible to find the right versions of packages which will work in recent images and VMs on whichever platform I happen to be developing or deploying on. This applies to many things I try to use in Squeak, including Cryptography, SqueakSSL, WebClient, Seaside, JSON, OSProcess (though this usually works, many thanks), and various database connectors (MySQL, PostgreSQL, SQLite)... Most recently, coworkers have demanded that output be in SQLite, and at the time, I could not find any contemporary packages for Squeak that worked with SQLite. I since have found a working combo in Squeak 4.6/5.0 thanks to: https://milanvavra.wordpress.com/2016/08/12/squeak-5-0-using-sqlite3/ ...but it's too late for that use case. Another part of why I don't use Squeak more often is entirely specific to my own peculiarities. New OS X VMs require OS X 10.11 or higher, and I still run older versions at home. I know Apple, Xcode, and CI tools make it difficult to support older OS X versions. Amusingly, it's easier for me to use Squeak 6.0alpha and the latest Cog VMs on my 2003/2004-era Windows XP ThinkPad than it is on my preferred "daily driver" OS X laptop. (I'd try to scratch my own itch and get the build system working to support older versions of Mac OS X, but the contemporary build system intimidates me.) Also, the shift to HTTPS reliance has made Squeak's web offerings more difficult or complicated to use as either a web server or a web client. > What does Squeak lack that you think might make you use it for 'regular' development? I am not a professional software developer. I am more of a professional sysadmin by day and student by night. That said, perhaps the following apply: * I'd like to see Debian and BSD packages updated for Squeak versions newer than 3.x or 4.x. This would make it easier to deploy newer versions of images and VMs in server environments. * Maybe if something like RSqueak for Python, or an equivalent for Ruby or other du-jour language, were to reach a release state with low barrier-to-entry for non-initiates, I could use my preferred Squeak environment but stay within the bounds of languages accepted by coworkers at whichever place I happen to be working. Not sure if that's true. > What things are too hard or annoying to do? - It was rough for a few image release cycles to find that every new image broke some standard (documented) keyboard shortcut or mouse gesture I'd become accustomed to since Squeak 2.x (Cmd-Shift-L/R for example), and forced new ones on me. Happily the new 5.x config wizard takes care of a lot of that. - WebClient HTTPS seems to take magic incantations to work on any various platform. Perhaps this is due to the necessary interplay of image, package, plugin, VM. - I have wanted to learn specialized tooling for refactoring but it has always been too complicated, too difficult to load, or too moving of a target. Now I think it's gone completely. That's probably OK -- something simpler than OB would be nice. - Keeping track of various magic Installer incantations to paste into Workspaces seems so unsophisticated when we have SqueakMap. > What would you like to be able to use Squeak for? Everything! But if I were truly dreaming: * I'd be using Squeak to build a Croquet-style system to implement some amount of my pal Ted Nelson's Xanadu Space and/or ZigZag. Compare Croquet demos to http://xanadu.com/XanaduSpace/btf.htm (amusingly, this article is also named "Back to the Future") * A UI construction system where you could assemble Morphs via drag-n-drop but then turn your living assemblage back into Smalltalk code (perhaps this exists? Perhaps eToys scripting resembles this?) * A web framework which embraces du-jour client-side (rather than server-side) computation & rendering but with Seaside-like ease of development * My own higher education; if I could find a computer science program or digital humanities program which allowed/encouraged the use of Squeak, I'd apply.

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Re: [squeak-dev] [squeakland] Question about Audio Buffer/Timing
by David T. Lewis 22 Feb '18

22 Feb '18

Hi Jeremy, I am copying this to the squeak-dev list in case someone there can offer some guidance. Dave On Wed, Feb 21, 2018 at 02:44:21PM -0800, Jeremy Landry wrote: > Hi, I made a quick audio sequencer test in Etoys and found that there's a > hidden 'timer' that limits the responsiveness of new sounds that go into > the playback buffer (terminology isn't accurate, but hopefully it makes > sense to people). > > I found the sound buffer setting, but was wondering if there's something > else that limits how fast new sounds get added to the playback stream? I > read somewhere (old-man-aphasia here) that some code was added to prevent > overloading the buffer so surely there's a snippet of code I could add to a > project to reverse this, if it's what is causing the delay? > > Thanks for any help finding the solution. > _______________________________________________ > squeakland mailing list > squeakland(a)lists.squeakland.org > http://lists.squeakland.org/mailman/listinfo/squeakland

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Missing snapshot: ST80-mt.184 plus MNU in updater
by Fabio Niephaus 22 Feb '18

22 Feb '18

Hi all, Trunk hasn't been successfully built for a while. At the moment, 32-bit trunk fails because ST80-mt.184 seems missing [1] and 64bit trunk fails with an MNU in "MCMcmUpdater>>updateFromConfig:" with "UndefinedObject>>dependencies" [2]. It'd be great if someone could look into this. Thanks, Fabio [1] https://travis-ci.org/squeak-smalltalk/squeak-app/jobs/344572369#L78 [2] https://travis-ci.org/squeak-smalltalk/squeak-app/jobs/344572370#L1822

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Seaside fails to load onto Squeak5.1
by Vaidotas Didžbalis 21 Feb '18

21 Feb '18

Hello, Please advise, is it still possible to load Seaside these days? I cleared cache used v5.1 stock image and the script bellow fails on step #3, log attached. Thank you. Vaidotas Installer gemsource project: 'metacello'; addPackage: 'ConfigurationOfMetacello'; install. ((Smalltalk at: #ConfigurationOfMetacello) project version: #'previewBootstrap') load. (Smalltalk at: #Metacello) new configuration: 'Seaside3'; repository: ' http://www.smalltalkhub.com/mc/Seaside/MetacelloConfigurations/main'; version: #stable; load: 'OneClick'.

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Serious garbage/storage leak issue with MCInfoProxy
by Eliot Miranda 21 Feb '18

21 Feb '18

Hi All, I've been experiencing image save slowdowns recently and finally my work image reached 1.%Gb and I thought I better take a look: Sisyphus.Cog$ ls -lh SpurWork64.* save/SpurWork64-* -rw-r--r--@ 1 eliot staff 28M Jan 18 12:47 SpurWork64.changes -rw-r--r--@ 1 eliot staff 1.6G Jan 18 12:48 SpurWork64.image -rw-r--r--@ 1 eliot staff 28M Jan 18 12:03 save/SpurWork64-2018-01-18.changes -rw-r--r--@ 1 eliot staff 1.5G Jan 18 12:03 save/SpurWork64-2018-01-18.image I ran a space analysis and found that Bitmap and ByteArray were the top two, so I looked for large Bitmaps. I found three that fit this criterion: Bitmap allInstances select: [:bm| bm size >= 1000000 and: [bm ~~ Display bits]] I inspected the three and did a chase pointers on one of them. As I did that suddenly a) the inspector on the Array became empty (still an array but zero elements) b) the progress bar for Downloading FlexibleVocabularies-who.NN appeared I interrupted this and did a very cursory stack examination. Some object had not understood isLiteral and from there what looked like an attempt to turn this stub into a real object caused FlexibleVocabularies-who.NN to start to download. I threw away the debugger, ran the GC and suddenly all my free space was back. So now on disc I have Sisyphus.Cog$ ls -lh SpurWork64.* save/SpurWork64-* -rw-r--r--@ 1 eliot staff 28M Jan 18 15:17 SpurWork64.changes -rw-r--r--@ 1 eliot staff 57M Jan 18 15:17 SpurWork64.image -rw-r--r--@ 1 eliot staff 28M Jan 18 12:03 save/SpurWork64-2018-01-18.changes -rw-r--r--@ 1 eliot staff 1.5G Jan 18 12:03 save/SpurWork64-2018-01-18.image What is going on here? There seems to be a very bad storage leak. Can we please discuss this? This doesn't seem like healthy behaviour at all :-) _,,,^..^,,,_ best, Eliot

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