Squeak-dev November 2010

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254 discussions

The Trunk: System-ul.397.mcz
by commits＠source.squeak.org 25 Nov '10

25 Nov '10

Levente Uzonyi uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-ul.397.mcz ==================== Summary ==================== Name: System-ul.397 Author: ul Time: 25 November 2010, 11:45:13.676 pm UUID: 84c594bb-44d7-1a4e-8c26-c09078e712d6 Ancestors: System-ul.396 - since #setBalloonHelpFontTo: does the same as the newly introduced #setBalloonFontTo:, the new method is now deleted =============== Diff against System-ul.396 =============== Item was changed: ----- Method: Preferences class>>restoreDefaultFonts (in category 'fonts') ----- restoreDefaultFonts "Since this is called from menus, we can take the opportunity to prompt for missing font styles." " Preferences restoreDefaultFonts " self setDefaultFonts: #( (setSystemFontTo: 'Bitmap DejaVu Sans' 9) (setListFontTo: 'Bitmap DejaVu Sans' 9) (setFlapsFontTo: Accushi 12) (setEToysFontTo: BitstreamVeraSansBold 9) (setPaintBoxButtonFontTo: BitstreamVeraSansBold 9) (setMenuFontTo: 'Bitmap DejaVu Sans' 9) (setWindowTitleFontTo: 'Bitmap DejaVu Sans Bold' 9) + (setBalloonHelpFontTo: 'Bitmap DejaVu Sans' 7) - (setBalloonHelpFontTo: Accujen 9) (setCodeFontTo: 'Bitmap DejaVu Sans' 9) (setButtonFontTo: 'Bitmap DejaVu Sans' 7) - (setBalloonFontTo: 'Bitmap DejaVu Sans' 7) )! Item was removed: - ----- Method: Preferences class>>setBalloonFontTo: (in category 'fonts') ----- - setBalloonFontTo: aFont - - Smalltalk at: #BalloonMorph ifPresent: [ :balloonMorph | - balloonMorph setBalloonFontTo: aFont ]!

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[ANN] Exif
by Alexander Lazarević 25 Nov '10

25 Nov '10

Hi! I just uploaded a first hack of an Exif package to squeaksource. http://www.squeaksource.com/Exif.html MIT License. Any contributions are welcome (see current limitations). Haven't tested it on Pharo yet. But there shouldn't be anything special about it. Have fun, Alex >From the project description: This provides code to extract/modify the Exif (Exchangeable image file format) information from/inside media files. - Current limitations: - Works only for TIFF-, JPEG-files - Can't write Exif information - Can't read/write GPS information - Can't read/write Interoperability information - Can't read/write any vendor specific MakerNote - Can't read/write UserComments - Most methods for cooked information (like dateTime) are missing - Examples: "Dump all Exif information from a JPEG-file to the Transcript" Transcript show: (Exif readFromJPEGNamed: 'p2.jpg') printAll; cr. "Get *raw* Exif content for DateTime (a String)" (Exif readFromJPEGNamed: 'p2.jpg') atTagName: #DateTime. "#('2010:11:10 16:56:33')" "Get *cooked* Exif content for DateTime (a DateAndTime object)" (Exif readFromJPEGNamed: 'p2.jpg') dateTime. "2010-11-10T16:56:33+01:00" - Specs: Exif and TIFF <http://www.exif.org/specifications.html> - Disclaimer: This software is provided as is. It is in a very early stage and there are no guaranties that the software will work as expected or advertised. Be sure to use only image files with this software that you have backed up before. I refuse any responsibility for any data lost while using this software.

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Re: [DEBIAN] latest standard vm package
by Alexander Lazarević 25 Nov '10

25 Nov '10

Again FWIW I've built a new vm available at http://www.lazarevic.de/download/squeak/squeak-vm_4.3.18.2330-1_i386.deb It's basically the same as the one before only updated to VMMaker 4.3.18 and that it now includes the Cryptography plugins DESPlugin MD5Plugin SHA256Plugin and an updated DSAPlugin All the Cryptography-Tests did run fine with this vm. Cheers, Alex PS: Once I know how to properly use the debian tools I will also provide the source package. Currently I don't know why it does not built a orig and a diff file ... PPS: Again provided as is, no guaranties, no nothing, nada

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Re: Re: [squeak-dev] erased image file
by Ralph Boland 25 Nov '10

25 Nov '10

On 23.11.2010, at 19:12, Ralph Boland wrote: > > I accidentally erased a Squeak 3.10.2 image file on my Linux (Ubuntu > > 10.04) system > > but still have the changes for it and also 2 day older image/changes > > files for the same project. It there a way to use the 2 day older image > > file and load the changes from the up to date changes file? > > And please don't lecture me on filing out my code. I do file out my > > code. I last did so, well, two days ago. > > > > Regards, > > > Ralph Boland > Run the old image. Open a file list. Select the new changes file. Click > "recent changes". File in the ones you want. > - Bert - Thanks. This worked as described. > Yes in fact you can do this. Do it in a temp directory with a copy of > your files of course, but if you rename the up-to-date changes file to > match the name of the two day old image file, you can use them > together with no problem. > The changes toward the end of the file will have no > references from the image, but this is harmless other than wasting > a bit of disk space. > ... Unfortunately, I ran in to an error trying to do this. I am using 3.10.2 so hopefully this works in 4.0. I will give it a try when I am working and 4.0 and inevitably I make the same mistake. Thanks also. I learned something even if in the end it failed. Regards, Ralph Boland

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New Tutorial on Events in Squeak, Pharo and Cuis
by Peter Dinges 25 Nov '10

25 Nov '10

Hello everyone, I recently started to study Morphic and its implementation in Squeak, Pharo, and mostly Cuis. Reading through the code, I noticed that there currently are three implementations of "events". All of them are mechanisms to signal state changes; two are very generic, the third specializes in Morphic input. Slightly confused by the many meanings of "event", I began to sort the different parts and assign them unique names. The result of this process is a short tutorial on Events in Squeak, Pharo, and Cuis. It might reduce confusion for people starting their tour through the code, or simply help when using events in own projects. You can download it from http://www.elwedgo.de/fileadmin/events_in_smalltalk.pdf I would greatly appreciate any comments, ideas, or corrections. Thanks and have a good day, Peter

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Daily Commit Log
by commits＠source.squeak.org 25 Nov '10

25 Nov '10

Changes to Trunk (http://source.squeak.org/trunk.html) in the last 24 hours: http://lists.squeakfoundation.org/pipermail/packages/2010-November/003956.h… Name: System-ul.396 Ancestors: System-ul.395 - set the balloon font (if possible) in Preferences >> #restoreDefaultFonts. - modified the postscript, so the default fonts will be restored to change the ballon font to Bitmap DejaVu Sans 7pt. =============================================

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Updating on trunk crashes the VM
by Tim Felgentreff 25 Nov '10

25 Nov '10

Hi Updating from the latest released image (10548) to trunk on the Cog VM crashes on Linux upon calling UUID>>initialize. Apparently, problems with libuuid and the Squeak VM are known, but is there a solution, besides rebuilding without the plugin and having the primitive fail? -Tim

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24 Nov '10

Hello, i just wanna know, what you thinking about subject? How easy/hard to integrate smalltalk VM into browsers? It it feasible? I know, there is (or was) a Squeak browser plugin. But it provides a functionality like java, but not like javascript. While i thinking, that it would be cool to use smalltalk directly in pages, as javascript. It could open quite interesting possibilities. What you think? -- Best regards, Igor Stasenko AKA sig.

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Re: <script language="smalltalk">
by Chris Cunnington 24 Nov '10

24 Nov '10

I think the browser, the DOM, and JavaScript can't be pried apart. The public API to the DOM IS JavaScript, so fighting that is not worth it. Instead, go with it. Use a translation layer between Smalltalk and the JavaScript. That means a parser. That means OMeta, because it treats JavaScript as Assembly. And a Smalltalk parser for OMeta has been written. I made a movie about it. http://www.youtube.com/watch?v=f2dyLKP_xJc I'd say that the trick would be baking OMeta and the Smalltalk parser into a binary that could be loaded into a browser as a plugin. Chris

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objective C FFI plugin?
by Lawson English 24 Nov '10

24 Nov '10

rummaging around in the .app package, I noticed what appears to be an objective c bridge for squeak. Is this meant for general use cocoa libs/ObjC, and if so, is there a good example of how to use it? Thanks. Lawson

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