Beginners March 2007

beginners@lists.squeakfoundation.org

45 participants
47 discussions

Connectors
by Luke Gorrie 25 Mar '07

25 Mar '07

Hi! I'm having extreme fun playing with Squeak :-) I would like to play around with programming Connectors. Does anyone have some documentation they could share? e.g. sneak me a copy of the very expensive papers form the C5 conference? :-) Thanks! -Luke

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Squeak - for a different Summer of Code!
by Giovanni Corriga 25 Mar '07

25 Mar '07

Hi all, as you may know, Squeak has been accepted as a mentoring organization for the Google Summer of Code 2007 program. Squeak is an open source dialect of Smalltalk, a pure OO programming language that takes object orientation principles to their limits. Development in Squeak will be quite different from what you may experience in Java, C#, Ruby or Python, yet it will be very fulfilling. So, why not Squeak for the Summer of Code? Squeak will offer you: a productive environment to develop your ideas - a great community a first class mentoring program - appreciation and value for your work Possible project areas include: Virtual Machine - Compiler User Interface - OS Integration Development and End-user Tools The Seaside Web Framework and many more! Squeak - for a different Summer of Code! If you're interested, contact us: email soc(a)lists.squeakfoundation.org web http://wiki.squeak.org/squeak/SummerOfCode IRC #squeak on Freenode.org

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Someone to critique my custom Morph?
by trilobyte＠hoe.nu 24 Mar '07

24 Mar '07

Hi, I have made a custom Morph to look for keyboard events when it is the current mouse focus. Is there anyone out there who could look at my class and give me suggestions / observations? I am wondering if I made any bad practices or bad oversights. My techniques were culled from a number of different tutorials and looking at existing classes. I have implemented it on a 3.6-based image. I appreciate any help. I will attach the class which you can file-in. It is called "KeyMoverMorph" and is in the category "My Morph". Its behavior includes: - drawing a border when it is mouse focus - looking for keyboard events when it is mouse focus - changes to color yellow when 'o' is pressed on it, blue when 'c' is pressed - when it is focus, keyboard arrow keys move it up, down, left, and right If there are better ways for me to do any of these things please let me know. Thanks, Tim

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Summer of Code: 3 days left for the student applications
by Giovanni Corriga 23 Mar '07

23 Mar '07

Hi all, this is a friendly reminder to all the students interested in applying for the Google Summer of Code program. Remember that the deadline is Monday 26th (actually, Tuesday 27th at 00:00 UTC). This gives you a little more than 3 days for submitting your application, so if you haven't submitted one yet, you should hurry up! Giovanni

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FW: [Squeakland] SqueakFest '07 - Save the Date!
by Ron Teitelbaum 23 Mar '07

23 Mar '07

Hello all, I thought I'd forward this to squeak-dev, beginners and seaside lists. There has been a bit of talk about teaching your kids to squeak, so if you are an Etoy developer or a fan, if you know some teachers, let them know, or if you are a parent of a squeaker, then this event is for you! Plus this would also be a good chance to learn more about OLPC. Spread the word and save the date: August 1, 2 & 3 for SqueakFest '07. Ron Teitelbaum Squeak News Team Member _____ From: Kim Rose Greetings! Thanks to the continued interest and generosity of Columbia College Chicago, we are delighted to announce SqueakFest '07! The dates for this year's gathering are: August 1, 2 & 3 Hands-on Workshops Wednesday, August 1st Keynotes, presentations & panels Thursday and Friday, August 2 & 3 SqueakFest is open to educators, parents (homeschoolers, other) developers, community technology center leaders, etc., etc. -- anyone interested in working with Squeak Etoys. This year we're planning a special track on the One Laptop Per Child Initiative ($100 laptop) and welcome participation by Etoy content developers for this particular platform in addition to those using or planning to use Squeak Etoys on other computing platforms. (For those who may be unaware, Squeak Etoys is currently one offering provided on the $100 laptop which is being distributed in great quantity this year.) Please save these dates and help spread the word to colleagues and friends you think would be interested in attending. We'll be sending a "call for presentations" in early April and also launching the official SqueakFest '07 website at that time. Please mark your calendar and plan to join us in Chicago for SqueakFest '07. Please "stay tuned" for more details! regards, Kim

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Advice for design of simple program.
by Blake 23 Mar '07

23 Mar '07

Hello, all: I'm working on a number of Squeak projects but another project has come up that I think Squeak would be perfect for and I think I'm best off using a mix of the different approaches of Squeak. The simplicty of the program is a source list of items that can be dragged and dropped into one of a number of baskets elsewhere on the field. The items have a point value and each basket shows how many points it has. Source items are templates, containing activities like "walk the dog" or "fly a kit", so the dragging process creates an instance to be dropped into a basket. So far, my main Squeak successes have been greatest when using straight code. I've been somewhat successful doing some EToys stuff and this looks like a situation where it would make sense to mix pre-fabbed morphs with code. First of all, I find myself confused because I had thought Etoys weren't in the latest Squeak (I'm using squeak dev image 93). Isn't Etoys the tile-based-viewer-with-scripts thing? 'cause I still have those. But beyond that: My plan for the source was to populate a TabbedPalette with image+label morphs (you know, so an item would have a picture of a dog with the text walk-the-dog underneath). The "baskets" would be image+label+number (so, a picture with a name and a score). The basket's would have the ability to accept a dragged image+label morph. Ultimately, I also need a mechanism for the user to add items to the TabbedPalette. I pull out a tabbed palette and rename the two starter tabs and try to add a third. I can't find any way in any menu or inspector to add another tab. I actually end up pulling the inspector for the IndexTab object and calling "AddTab". This gives me a tab named "Flash" and the renaming trick I used for the other tabs doesn't work, so I end up bringing the inspector up for that and changing the name that way. Then I put an image up and I don't see any way to change the image. I'm sure I can do it through the inspector but I'm beginning to wonder if I'm missing something obvious here. Maybe I shouldn't try to incorporate the object palettes and just code everything in the usual way. Thoughts?

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Monticello and merging
by Norbert Hartl 21 Mar '07

21 Mar '07

Hi, I have some problems trying to merge with monticello. If I merge I get a list of all changes from the actual version to the selected version. For every entry in the list I can press keep or reject. But I don't know how it is supposed to be used. For me it shows no effect at all pressing each of the buttons. A little explanation would be great. regards, Norbert

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Summer of Code: start submitting applications!
by Giovanni Corriga 21 Mar '07

21 Mar '07

Hi all, this is a friendly reminder to all the students interested in applying for the Google Summer of Code program. The deadline has been postponed to Monday 26th, 23:59 PST. This gives you a little less than 6 days for submitting your application. Nonetheless, you should start submitting your applications. You can always add more details and fix the errors using Google's web app. Giovanni

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remove a method
by pascal.vollmer＠nexgo.de 20 Mar '07

20 Mar '07

Hi, I use Squeak 3.9#7067 and in one of my classes I would like to remove a method. In the last days I loaded several EToy-projects into my image. Now, removal does not succeed and instead I get a MessageNotUnderstood: SmallInteger>>pragmas. Looking at the trace I understand that there is a sequence of actions to determine usage of the method to remove in other classes. This sequence stops at the class "Player78" which is in the category "UserObjects". The check for "Player78" ends up in CompiledMethod>>pragmas which returns ^self properties pragmas and leads to the MessageNotUnderstood. What is the right thing to do ? What is happening exactly ? Regards Pascal Vollmer Pascal Vollmer Email: pascal.vollmer(a)ieee.org Viel oder wenig? Schnell oder langsam? Unbegrenzt surfen + telefonieren ohne Zeit- und Volumenbegrenzung? DAS TOP ANGEBOT JETZT bei Arcor: günstig und schnell mit DSL - das All-Inclusive-Paket für clevere Doppel-Sparer, nur 39,85 inkl. DSL- und ISDN-Grundgebühr! http://www.arcor.de/rd/emf-dsl-2

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ssl support
by Norbert Hartl 19 Mar '07

19 Mar '07

Hi, is there a usable ssl support for squeak. I'm trying to use the Cryptography package to access a https monticello URL but I've no luck. Any ideas? Thanks in advance, Norbert

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Beginners March 2007