Squeak-dev January 2008

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147 participants
192 discussions

Changing keyboard binding
by Amos 12 Jan '08

12 Jan '08

I'm trying to change the keyboard binding for "Cmd + up arrow" and "Cmd + down arrow" - they currently scroll the view up/down if the text is long enough, which I don't use at all. But when I modify ParagraphEditor class>>initializeCmdKeyShortcuts and/or ParagraphEditor>>cursorUp: and cursorDown: (which seem to be assigned by initializeCmdKeyShortcuts), it seems that these methods are called only when the up/down arrows are pressed *without* a command key. Does anyone know where this binding to scroll up/down is set and how I can override it? Apparently ParagraphEditor is the wrong place, or did I miss something? Would any of the packages mentioned in http://wiki.squeak.org/squeak/1844 under "relevant squeak packages" help? Cheers, Amos P.S.: What I'm trying to achieve is to get "Cmd + up/down arrow" to move the lines containing the current selection, or the current line if nothing is selected, up/down by one line.

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"Standard" techniques to record ToDos etc? Recommendation for issue tracking
by itsme213 12 Jan '08

12 Jan '08

(1) Some time ago I had come across a neat technique to record todos in the code itself that was supposedly a "standard" practice among ThoseInTheKnow. Something like: self issue: #bug. "Some description" self issue: #todo. "Some description" This would show up among senders of #bug #todo (somewhat to my surprise). I can't find that web page now, anyone know the specifics? I might as well follow the "standard". (2) For a small team (< 4 people) developing using Squeak + Monticello, and a small future customer base optimistically speaking (currently 0), any recommendations on an issue tracking system? Something that understood Monticello would be a killer ... but I won't hold my breath for that one. Thanks - Sophie

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Dan to speak at Stanford: "The Lively Kernel" - Jan 16
by Brad Fuller 12 Jan '08

12 Jan '08

This is broadcast on the web, isn't it? brad =================================== Stanford EE Computer Systems Colloquium 4:15PM, Wednesday, January 16, 2008 HP Auditorium, Gates Computer Science Building B01 http://ee380.stanford.edu Topic: The Lively Kernel A Self Supporting System on a Web Page Speaker: Daniel Ingalls Sun Laboratories, Menlo Park About the talk: The Sun Labs Lively Kernel is a new approach to web programming. It provides a complete platform for web applications, including dynamic graphics, network access, and development tools, and requires nothing more than available web browsers. We call the system lively for three reasons: It comes live off a web page. There is no installation. The entire system is written in JavaScript, and it becomes active as soon as the page is loaded by a browser. It can change itself and create new content. The Lively Kernel includes a basic graphics editor that allows it to alter and create new graphical content, and also a simple IDE that allows it to alter and create new applications. It comes with a basic library of graphical and computational components, and these, as well as the kernel, can be altered and extended on the fly. It can save new artifacts, even clone itself, onto new web pages. The kernel includes WebDav support for browsing and extending remote file systems, and thus has the ability to save its objects and "worlds" (applications) as new active web pages. The Lively Kernel uses only existing web standards. The implementation and user language is JavaScript, known by millions and supported in every browser. The graphics APIs are built upon SVG (Scalable Vector Graphics), also available in major browsers. The network protocols used are asynchronous HTTP and WebDav. The Lively Kernel is being made available as Open Source software under a GPL license. While it is not ready for use as a product, we expect significant participation from adventurous developers and academia. About the speaker: Dan Ingalls is the principal architect of five generations of Smalltalk environments, culminating in the release of Squeak, an open-source Smalltalk system written in itself. He designed the byte-coded virtual machine that made Smalltalk practical in 1976. He invented BitBlt, the general-purpose graphical operation that underlies most bitmap graphics systems today, and also pop-up menus. He has received the ACM Grace Hopper Award for Outstanding Young Scientist, and the ACM Software Systems Award. Dan is currently at Sun Microsystems where he is working on the Lively Kernel, a self-supporting computing kernel that lives on a web page and requires no installation. Dan Received his B.A. in Physics from Harvard University, and his M.S. in Electrical Engineering from Stanford University. ABOUT THE COLLOQUIUM: See the Colloquium website, http://ee380.stanford.edu, for scheduled speakers, FAQ, and additional information. Stanford and SCPD students can enroll in EE380 for one unit of credit. Anyone is welcome to attend; talks are webcast live and archived for on-demand viewing over the web. MAILING LIST INFORMATION: This announcement is sent to multiple mailing lists. If you are signed up on our private EE380 list you can remove yourself using the widget at the upper left hand corner of the Colloquium web page. Other lists have other management protocols.

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separator character?
by itsme213 11 Jan '08

11 Jan '08

Does Squeak allow any character other than 0-9a-zA-Z: in a message name? I want to exploit some naming patterns and could make good use of a separator character. Thanks, Sophie

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Storing License metadata in methods?
by Michael van der Gulik 11 Jan '08

11 Jan '08

Hi all. I'm currently re-writing some tools for use with namespaces ( http://gulik.pbwiki.com/Namespaces). Ideally, I'd like a version of the Kernel-* and Collections-* categories that are licensed under the MIT license. This is unlikely to happen unless I rewrite them (hmm...). Failing that... I want to modify some tools to store license data with each method, so that I can avoid and rewrite methods which are under disagreeable licenses. License data can be stored at many levels of granularity - package, class, method, method change. I think adding it at the "method change" level is what we need - I want my change to a method to be licensed under MIT even though the original might be one of the other licenses. To store license metadata with each method change, I think one approach would be to have the tools automatically add comments to the end of each method such as: ------ copy "Answer another instance just like the receiver. Subclasses typically override postCopy; they typically do not override shallowCopy." ^self shallowCopy postCopy "ajh 8/18/2001 21:25 Original licensed under SqueakL." "mvdg 11/01/2008 22:41 Change licensed under MIT." "abc 14/03/2008 03:14 Original relicensed under Apache 2.0." ------ The user would then have a preference which shows which license they release any changes under. The actual changes would be visible in the versions browser because the change would occur in the same commit as the added comment. Thoughts? To implement this, the .changes file would need to be rewritten with all the extra licensing info, and the source pointers would all need updating. A special version of the browser could be made which hides only the code of methods which have been written under a disagreeable license so that they can be rewritten without seeing the original source code. Gulik. -- http://people.squeakfoundation.org/person/mikevdg http://gulik.pbwiki.com/

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[ANN] AIDA/Web 5.6 released
by Janko Mivšek 11 Jan '08

11 Jan '08

Dear Squeakers, AIDA/Web 5.6 was just released, on Squeak and VisualWorks. This version is also a base for forthcoming Aida/Scribo, which will be a CMS (Content Management System), with a core and some plugins: wiki, website, forum, blog. More about Aida is on http://www.aidaweb.si, you can install it from Universes, SqueakMap or SqueakSource. See download and installation instructions here: http://www.aidaweb.si/download.html. What's new in 5.6? - class SwazooAida for easier start: just doit SwazooAida demoStart - run on all interfaces, any host: SwazooAida startOn: somePort, useful for running behind load balancers - enhanced reliability and performance serving directly to the Internet - multilingual support for serving domain objects in many languages - Party/Role framework for modeling complex relationships among different parties (persons, companies). Useful among other for more complex authorization scenarios - Joomla template support with Mitra template included - upgrade to Prototye 1.6.0, Scriptaculous 1.8.0 - more understandable reorganization of packages I hope that this release is another step towards making a Smalltalk the best platform for running the web. Best regards Janko -- Janko Mivšek AIDA/Web Smalltalk Web Application Server http://www.aidaweb.si

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GLORP..
by Diogenes Moreira 11 Jan '08

11 Jan '08

Hi: Some one, could send me some examples of GLORP or recommend an other ORM implementation. Thank in advance -- Lic. Diogenes Alberto Moreira http://sem-e-tech.com.ar <http://www.sem-e-tech.com.ar> http://officious.st <http://officious.st> http://www.integrasolutions.com.ar <http://www.integrasolutions.com.ar> "Las personas felices se permiten ser felices; Las infelices siguen haciendo cosas que aborrecen y las perjudican contibuyendo a su infelicidad." Dr. David Niven

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different behaviour with MenuMorph
by Enno Schwass 11 Jan '08

11 Jan '08

Hi Its not a problem with omnibrowser itself, but its best demonstrated with I often work with omni browser using its cool refactoring methods. But sometimes it breaks my workflow. Why? The context menu in the class panel allows me to choose different actions (from "file out" to "refactor instance variable"). If I move the hand (mouse) downwards and accidently leave the menu on the bottom, the menu is still there, but mouse focus is lost. I can get back the focus with clicking (and not releasing) on a certain item. Thanks to KenCausey for this hint. But this is not really the behaviour I like. I wanna have mouse focus if I enter the menu area. You can see this behaviour in the world menu. (left click on the background). Move around with the mouse. It works. Try Ctrl-leftMouse on the background (or middle mouse) and you get a different menu that has the buggy behaviour. So its different behaviour depending on the mouse button you use to open a menu. Dont know if this is a feature. Can I turn off this? Thanks Enno

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ObjectFinder
by Frederic Pluquet 11 Jan '08

11 Jan '08

Hello, I wrote a new inspector for Squeak named ObjectFinder. You can install it using Packages Universe Browser, under the category "Development". Please, give me some feedback if you use it. Some info : http://decomp.ulb.ac.be/frdricpluquet/personalstuff/theobjectfinder/ Fréd -- Frédéric Pluquet Université Libre de Bruxelles (ULB) Assistant http://www.ulb.ac.be/di/fpluquet

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Squeak bumper sticker
by Wilkes Joiner 11 Jan '08

11 Jan '08

Next year is a presidential election year in the United States. I thought that Squeak should have its own campaign sticker. Is there a way to get this into the SqueakShop on cafe press? http://wilkesjoiner.com/squeak-08.png

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