squeakland October 2005

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19 participants
38 discussions

a question about siblings
by Randy Heiland 18 Oct '05

18 Oct '05

I notice that when I create an object and then create siblings of that object, that subsequent new variables and new scripts for the original object get propogated to the siblings. However, repainting or resizing the original object does not get propogated to the siblings. Any chance this "inconsistency" will get corrected in Tweak? --Randy

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The Weekly Squeak No.7: October 2nd - October 8th
by Giovanni Corriga 16 Oct '05

16 Oct '05

Dear squeakers, Hello, and welcome back to the The Weekly Squeak, a weekly report on what's going on in the world of Squeak. Great news! This issue will be the last edited by me, Giovanni Corriga. Starting from the next issue, The Weekly Squeak will be produced by the brand new News Team! In the meanwhile, please entertain yourself with the second installment of SqueakViews, wherein Giovanni Giorgi has a chat with Andreas Raab. In this issue you'll find: 1. On the Squeak Foundation, and Squeak usage in businness. 2. What did the Dormouse say? 3. Help wanted for project "Kolibri" 4. Squeak Merchandising 5. Games package managed with Monticello 6. Squeak CDs and DVDs 7. The new face of www.squeak.org 8. Morphic Wrappers for Squeak 3.7 9. SqueakFoundation and Coordinators' merger 10. A demo of a bug/wishlist voting system 11. OSProcess 4.0 released 12. Smalltalk Gathering in Bern 13. How to contribute to Squeak's development 14. Ariethfa Ffenestri: multiple windows using Squeak 15. How Squeak saves an image to file 16. Craig Latta's notes on how tho shrink an image 17. A Sudoku solver 18. A comparison between several different laptops 19. Academic resources on Smalltalk and Squeak 20. Upcoming Squeak Chats 21. SqueakViews: an interview with Andreas Raab You'll find the complete report at http://minnow.cc.gatech.edu/squeak/5740 . The past issues archive can be found at http://minnow.cc.gatech.edu/squeak/5751 .

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Grant Opportunity for K-12 Science teachers
by Kim Rose 14 Oct '05

14 Oct '05

Hello, Those of you who are U.S.-based K-12 science teachers may be interested in applying for a "Toyota TAPESTRY Grant" and receive up to $10,000. Next deadine: January 19, 2006: http://www.nsta.org/programs/tapestry/program.htm -- Kim

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Re: [Squeakland] Deleting multiple copies of an object?
by Bob Irving 12 Oct '05

12 Oct '05

Thanks for the info, Scott! It's so ridiculously simple when you think about it, but every UI is different. All the best, Bob Irving Middle School Technology Facilitator Lancaster Country Day School Lancaster, PA Blog: www.e-lcds.org/wordpress/ "It is not necessary to change. Survival is not mandatory." W. Edward Deming

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Re: [Squeakland] Deleting multiple copies of an object?
by Scott Wallace 12 Oct '05

12 Oct '05

Hi, Bob, The easiest thing in a situation like this is to select all the unwanted objects using "group select," then to hit the pink X halo-handle of the "group halo" to delete all of the selected objects at once: To do this, hold down the shift key as you mouse-down on the Squeak "desktop" somewhere above and to the left of the stack of unwanted objects, and then drag-through rightward and downwards, with the mouse-button still down, letting up on the button once the cursor is below and to the right of the stack of objects. This will do a "group select" on all the objects enclosed by the selection rectangle thus drawn. Now a simple click on the "X" of the resulting "group halo" will delete all of the selected objects at once. Cheers, -- Scott PS: Note that this "group select" feature is also useful for repositioning a group of objects on the screen without changing their positions relative to one another. At 11:32 AM -0400 10/11/05, Bob Irving wrote: >Content-Type: text/html >Content-Description: HTML > >I have a student who is programming a game. Part of his script >changed an object into a copy of another object. Since copies of >objects show up under the object, he didn't realize that he had make >about 300 copies of this object. Now he wants to get rid of them >without deleting each one individually. Is there a way to do this >programmatically? > >Thanks in advance, > > >Bob Irving >Middle School Technology Facilitator >Lancaster Country Day School >Lancaster, PA >Blog: <http://www.e-lcds.org/wordpress/>www.e-lcds.org/wordpress/ >"It is not necessary to change. Survival is not mandatory." W. Edward Deming

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Re: [Squeakland] Question about mouse on Windows
by Alan Kay 12 Oct '05

12 Oct '05

Another option is to have "mouse over" bring up the halo. Many elementary schools use this. Cheers, Alan At 09:31 AM 10/9/2005, Mark Engelberg wrote: >I'm about to teach my kids the "car curriculum". We're running on >Windows. I notice that I have two options for making the "halo" >appear for an object. > >Option 1: Teach my kids to use Alt-click to make the halo appear. >Option 2: Select the "3-button mouse" option at the top of the >plug-in the first time we load it up, and then just teach them to >right click to make halos appear. > >Is one option preferable to the other? I'm inclined to configure the >system so that they can make halos appear by right-clicking, but I >understand that essentially this option is swapping the functionality >of the right button with the "center button" which we don't have. So >I worry that whatever functionality is mapped to the right button by >default, will now require alt-clicking to do. So what is mapped to >the right button by default? Is it commonly, or rarely used in the >eToys environment? Will I regret it if I swap the right button with >the center button so the kids can more easily summon up halos? > >Thanks, > >Mark > >_______________________________________________ >Squeakland mailing list >Squeakland(a)squeakland.org >http://squeakland.org/mailman/listinfo/squeakland

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Los Angeles area workshop Oct 22nd
by Kim Rose 11 Oct '05

11 Oct '05

Greetings - On Saturday, Oct 22nd "CUE" (Computer Using Educators) of Los Angeles will hold a Technology Fair on the UES (University Elementary School) campus (adjacent to UCLA). The day's offerings include an introductory hands-on Etoy workshop conducted by BJ Conn and me. Please share this info with anyone you may know in the LA area that could benefit from a hands-on intro to Squeak Etoys. More details including an agenda for the day can be found here - it is not too late to register! http://www.cuelosangeles.org/ http://www.cuelosangeles.org/techfair2005/Program_2005.pdf Thanks for passing this along. Maybe we'll see you there! regards, Kim

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Deleting multiple copies of an object?
by Bob Irving 11 Oct '05

11 Oct '05

I have a student who is programming a game. Part of his script changed an object into a copy of another object. Since copies of objects show up under the object, he didn't realize that he had make about 300 copies of this object. Now he wants to get rid of them without deleting each one individually. Is there a way to do this programmatically? Thanks in advance, Bob Irving Middle School Technology Facilitator Lancaster Country Day School Lancaster, PA Blog: www.e-lcds.org/wordpress/ "It is not necessary to change. Survival is not mandatory." W. Edward Deming

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Question about mouse on Windows
by Mark Engelberg 11 Oct '05

11 Oct '05

I'm about to teach my kids the "car curriculum". We're running on Windows. I notice that I have two options for making the "halo" appear for an object. Option 1: Teach my kids to use Alt-click to make the halo appear. Option 2: Select the "3-button mouse" option at the top of the plug-in the first time we load it up, and then just teach them to right click to make halos appear. Is one option preferable to the other? I'm inclined to configure the system so that they can make halos appear by right-clicking, but I understand that essentially this option is swapping the functionality of the right button with the "center button" which we don't have. So I worry that whatever functionality is mapped to the right button by default, will now require alt-clicking to do. So what is mapped to the right button by default? Is it commonly, or rarely used in the eToys environment? Will I regret it if I swap the right button with the center button so the kids can more easily summon up halos? Thanks, Mark

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Re: [Squeakland] Squeakland Digest, Vol 30, Issue 7
by Wendell III 10 Oct '05

10 Oct '05

This looks great, Jose! But, to clarify: when you say that you are developing on Linux, you mean that you are developing it in SQUEAK on a Linux machine, right? It certainly looks like Squeak, but just to be sure... :-) Definitely interested in getting that code. Cheers, -Wendell ---- web: www.meetro.com phone: 312.275.7865 fax: 312.275.7865 icq: 12107743 skyp: wendell_iii msn: wadmoose(a)hotmail.com gg: 7116285 aim: wadm00se On Oct 9, 2005, at 8:48 PM, squeakland-request(a)squeakland.org wrote: > In fact, I have developed an image browser, that can read gif, png, svg > and svgz (using the SVGreader made by Gary Chambers) for a project I am > making in Extremadura. It works in a 3.8 image without problem. > Attached is an screenshot. I am developing it on Linux, but I have > tested it a little bit in a windows machine and works ok. I don't have > a > mac available, but it should work there too. > > The image browser is between some other code I have developed for this > project and, by now, I don't have time enought to split it from the > rest > of the project, but if anybody wants to test it I can send the whole > monticello package. > Regards.

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squeakland October 2005