Squeak-dev May 2003

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Peripherals 2
by Alistair Wallis 01 Jun '03

01 Jun '03

Thanks for advice that has been given. I was hoping to programme a LEGO RCX. Does anyone know how this can be done?

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.NET and Squeak (fwd)
by Tim Rowledge 01 Jun '03

01 Jun '03

>From a friend... > I thought you'd like this trail. > > Start at GotDotNet, Microsoft's .NET evangelism > site (http://www.gotdotnet.com). > > Select the "Blogs" link on the left. > > Select Don Box's blog. You may or may not know > Don. He's an author of those really boring, yet > thick, Microsoft technical books. I think he > made a name for himself in the COM days. > > Scroll down Don's blog to "Microsofties and the XML Way" > (2003-05-16T05:34:50Z). > > Don references Doug Purdy's three slashdot pieces. > > Press on each of Part I, II, III. > > Doug is using Squeak for XML processing. > > So there you have it. From Microsoft's .NET > evangelism site right to Squeak. > > Clearly .NET is simply a false face to Squeak. tim -- Tim Rowledge, tim(a)sumeru.stanford.edu, http://sumeru.stanford.edu/tim Computers are unreliable, but humans are even more unreliable. - Gilb

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[BUG][FIX] permutationsDo:
by David T. Lewis 31 May '03

31 May '03

The example in the method comment of SequenceableCollection>>permutationsDo: does not work. Adding a #permutationsDo: method to class Interval fixes this. The interval is converted to an Array to produce the intended behavior. A test case is added to class IntervalTestCase to confirm the fix. Dave

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[ANN]SqueakMap master has moved
by goran.krampe＠bluefish.se 31 May '03

31 May '03

Howdy! Just moved the master as advertised. New web url is: http://map1.squeakfoundation.org/sm Note the "1" in the above - not "2" as before. :-) The package loader and other derivative UIs in Squeak will automatically load updates from map1 instead of map2. Happy Squeaking, Göran

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Re: Exporting a Squeak Animation
by Daniel Vainsencher 31 May '03

31 May '03

I second that. Daniel > Hi David > > I would love to see this "visual data analysis workbench" on SqueakMap > and I guess there are quite some more people thinking so. > > regards, > Martin

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[BUG] centered text is not properly displayed in MVC [with proposal for a fix]
by Boris Gaertner 31 May '03

31 May '03

This bug report refers to Squeak 3.4 latest update: #5170. The bug is also present in Squeak 3.3alpha latest update: #4981. It is not present in Squeak 3.2 alpha latest update: #4599 In an MVC project, centered text is sometimes not displayed centered. In Morphic this bug does not appear. I will first explain what works in Morphic: 1. In aMorphic project, open a workspace. 2. Type in a displayable character and select it. 3. In the context menu, select the item 'more...' and (in the following menue) 'set alignment...'. select the alignment 'centered'. The character jumps into the middle of the workspace. When you type in additional characters, the text line is extended both to the left and to the right. After some typing, you see a beautifully centered multiline text. (When you resize the workspace to a small size, you will get this result with less typing :-) ) Now that you know that this works in Morphic, create an MVC project and enter it. Open a workspace and do the same thing that you did with Morphic. You will see: 1. The text is not displayed centered. 2. As soon as you have at least two lines, the text will be displayed centered (but only from the second line) when you move the workspace on the screen. However the cursor rep. the current selection is displayed as for leftFlush text. 3. As soon as as you tpye in an additional character, the the line that received that character is again displayed left flush. The first change set after #4599 that has significant chenges to the display machinery is #4614 (titled: 'TextAndFonts-ar' from Dec 17, 2001). Later followed: #4631 (MVCFixes-ar) without preamble, #4717 (CharBlockScannerFix-slg from Jan 10, 2002) #4723 (initMorphicOffsets-ls from Jan 19, 2002) #4727 (initLeftMArgin-ls from Jan 14, 2002) #4730 (FixUpdateGliches-di from Jan 30, 2002) I think that the bug is simply a glitch that came in with #4614 and was never seen. (I work a lot with MVC but usually I feel no need to center text. Today I tested an editor and saw this problem.) The point is - in my opinion - that in two methods (CharacterBlockScanner>>buildCharacterBlockIn: and !DisplayScanner displayLinesin:clippedBy:) the scanner is not completely initialized when the essential work is performed. In these methods the statement alignment ifNil:[textStyle alignment] is executed when the instance variable alignment is still nil and this causes the use of the default. (Place a 'self beep.' into the block to verify this!) The assignment to 'alignment' is triggered in CharacterScanner>>setFont. In the presenece of an TextAlignment atribute, the 'att emphasiseScanner: self' is sent to the TextAlignment instance which in turn calls CharacterScanner>>setAlignment. CharacterScanner>>setFont is called by CharacterScanner>> setStopConditions and I think that it is sufficient to send this method before the first call of leftMarginForDisplayForLine:alignment: to the paragraph. Attached you find a change set that is a proposal to fix this glitch. It is deliberately not labelled as a FIX. I want first to hear the opinions of others on this mailing list. Afterall, a careless change to methods in CharacterScanner can easily ruin an image. Greetings Boris

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RE: [ENH] CelesteShowMoveAgainTarget
by Daniel Vainsencher 31 May '03

31 May '03

Or at least to merge everything that's as clearly universally useful as that? Daniel Brent Vukmer <bvukmer(a)blackboard.com> wrote: > Umm.. Are there plans to merge FilteringCeleste and Celeste, now that > they're both living on SqueakMap? > > > -----Original Message----- > > From: Lex Spoon [mailto:lex@cc.gatech.edu] > > Sent: Friday, May 30, 2003 9:04 AM > > To: squeak-dev(a)lists.squeakfoundation.org > > Subject: Re: [ENH] CelesteShowMoveAgainTarget > > > > > > > Unless I *just* moved a message, I forget where the Move > > Again button > > > will put the one I'm reading. These simple changes show the Move > > > Again target in the Celeste window label."! > > > > Wow, Filtering Celeste has done this forever, and I thought > > regular Celeste did, too. Well I certainly agree it's a good > > idea. :) > > > > -Lex > > > >

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importing exe files
by Shalabh Raizada 31 May '03

31 May '03

Hi all, Can we import an exe file generated by any application other than squeak into squeak? How can i do it? thanx, shalabh. _________________________________________________________________ Race along with NK. The fastest Indian http://server1.msn.co.in/sp03/tataracing/index.asp Feel the thrill!

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MeterMorph, and a question
by Rick McGeer 31 May '03

31 May '03

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[Q]Locking Squeak down for shipping an end-user application
by Darius 31 May '03

31 May '03

If an end-user has both a fully functional instalation of Squeak and also a Locked Down application image from me, can they use the fully programable Squeak to read objects out of my Locked Down image? Would Image Segments allow them to read the Locked Down image? Ned? Cheers, Darius

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