Squeak-dev May 2008

squeak-dev@lists.squeakfoundation.org

141 participants
174 discussions

Composite fill styles in action (or what to do when you bored).
by Igor Stasenko 27 May '08

27 May '08

Just do following script in latest squeak-dev image with UI enhancements installed. World fillStyle: ( CompositeFillStyle fillStyles: { BitmapFillStyle fromForm: ( (Form extent: 1@2 depth: 32) colorAt: 0@0 put: (Color transparent) ; colorAt: 0@1 put: (Color gray)). World fillStyle. }) 2 Gary Chambers: quite confused why style listed last drawn first? As for me it is more logical to fill in order of appearance in code, not in reverse.. or i missing something? -- Best regards, Igor Stasenko AKA sig.

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LinuxTag
by Bert Freudenberg 27 May '08

27 May '08

Hi folks, anyone else attending LinuxTag? Would be a nice place to meet in person, not just to snag an OLPC XO :) http://www.linuxtag.org/2008/ - Bert -

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tinlizzie down
by Ties Stuij 27 May '08

27 May '08

Hey, I can't reach tinlizzie.org. I don't know in what way which squeak people are tied up to tinlizzie.org, but since there's a number of squeak related stuff there, I guess some of you would have interest in the information. /Ties

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Re: [squeak-dev] Re: (Slightly OT) Dan Ingalls on FLOSS "Weekly"
by merlyn＠stonehenge.com 27 May '08

27 May '08

>>>>> "Jecel" == Jecel Assumpcao <jecel(a)merlintec.com> writes: Jecel> Xerox licensed Smalltalk to Apple, Tektronix, DEC and HP (the one that Jecel> they couldn't remember in the interview) under very generous terms in Jecel> exchange for them helping make it ready for general release by having Jecel> local teams do a port and debug the "blue book" as a result. And I think I spoke up about the Tek license, since that's how I was able to run ST80 on the "magnolia" in that era. -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <merlyn(a)stonehenge.com> <URL:http://www.stonehenge.com/merlyn/> Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc. See http://methodsandmessages.vox.com/ for Smalltalk and Seaside discussion

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(Slightly OT) Dan Ingalls on FLOSS "Weekly"
by merlyn＠stonehenge.com 27 May '08

27 May '08

Dan Ingalls graciously granted me a 90-minute interview for my FLOSS "Weekly" show. We talked about the early days at Xerox PARC, the birth of Squeak, and the Lively Kernel. Hear the interview at http://twit.tv/floss29. Thanks Dan! -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <merlyn(a)stonehenge.com> <URL:http://www.stonehenge.com/merlyn/> Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc. See http://methodsandmessages.vox.com/ for Smalltalk and Seaside discussion

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[Help] What is a good test suite for fonts?
by Jerome Peace 27 May '08

27 May '08

What is a good test suite for fonts? There are some serious bugs to repair. And I need to insure I am making matters better not worse. The struggle right now is with TTCFonts and how they init and use ascent. The relation between TTCFonts, StrikeFonts and fallbackFonts. And how fallback fonts are used and modified in both classes. StrikeFont>>ascent is a simple accessor for the ivar assent. TTCFont>>ascent is not simple. It depends on the value of fallBackFont ascent. And in most squeaks it is writen such that it will infinitely recurse if fallBackFont baseFont is the same as self. And there are many use cases where this is exactly what it should be. (E.G the fall back is a fixedFace (one glyph) errorfont showing a ? when an font character is missing from the active font. The ? will look best if it is the glyph from the active font.) It is possible to rewrite TTCFont>>ascent so that, while still recursive, avoids the infinite recursion. The other (imo) preferred fix is to return ascent to a simple accessor and set about to insure it is initialized at all times to a proper value. The problem is it seems that the ascent must be the larger of the calculated ascent for the font and the fallbackfonts ascent. So it would seem that the place to catch this would be where fallbackFont: is sent to set the font. The problem is that the mutator is sidestepped in many of the strikefont methods and the ivar is modified directly including by the fallbackFont accessor which does lazy initialization to insure an undefined fallback becomes the fixedFont errorfont. If the above sentence makes you dizzy, then you know how I've fell while tracking this down. Needless to say I am thinking this is whack. Squeak goes out of its way to tie its shoelaces together as it were. So questions. 1) In practice is there a use case where the fallbackFont is not just a fixedFacedFont error font? 2) In practice is there a use case where a fonts error gylph should not look like its own questionmark ? 3) Is it really important that the fallbackfont ascent take precedence over the TTCFont ascent? 4) Why is (3) not true for StrikeFonts as well? ====== 5) If I tackle this repair how do I assure I am making matters better not worse? Last and first) What is a good test suite for fonts? Yours in curiosity and service, --Jerome Peace References: http://bugs.squeak.org/view.php?id=6664 0006664: TTCFont>ascent can be infinitely recursive. and please look at the related issues!

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Browser in-image
by Giuseppe Luigi Punzi 26 May '08

26 May '08

I remember thath last year, One GSOC project was to improve the in-image web browser. Somebody can tell me if this project was finished? Only curiosity. Cheers. -- Giuseppe Luigi Punzi <glpunzi(a)lordzealon.com> <http://www.lordzealon.com>

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Our website in other languages too?
by Janko Mivšek 26 May '08

26 May '08

Dear all, I just read Yoshiki's post about wish of Latin American countries to have EToys in Spanish and there are already wishes to have our www.squeak.org in Spanish too. So, shall we start thinking about having our website in many languages? I'm personally fan of that idea but with some preconditions: 1. Every supported language must have a sub-community willing to translate and maintain content in their language. Maintaining consistently and long-term! If this precondition is not met, we better don't support that language. 2. We need to upgrade website to be able to support many languages and easily make translation of content between them. We can copy the Wikipedia way of supporting multilingual entries where every language has its own but usually not the same description of some term. This way is to be considered too. We can have only the same basic structure and titles of the content, but every language sub-community has a freedom to describe the title by their own. Ok, some content must obviously be the same in all languages, but this can be the exception of the rule. We can also provide the notification of changes of content (RSS, e-mail), so that communities will be able to react to the changes fast. Best regards Janko Mivšek Web Team leader

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[Fwd: [Pkg] Packages: Packages-Squeak310-kph.31.mcz]
by Keith Hodges 26 May '08

26 May '08

Hello All, For those not subscribed to the packages(a)lists.squeakfoundation.org list I am forwarding this email so that you can see the kind of information that is being published there. This presents a detailed diff of changes that have been made to the Development universe, and the Sake/Packages equivalent in the past week. best regards Keith

1 0

problema con FFI: "could not coerce arguments"
by Mariano Martinez Peck 26 May '08

26 May '08

Tuve que mapear con openDBX las funciones odbx_set_argument y la odbx_get_argument. Estoy probando la set, y me tira ese error de FFi. Creo que es un quilombo con el void pues es la primer función que mapeamos con ello. La función de openDBX es así: int *odbx_set_option*( odbx_t* *handle*, unsigned int *option*, void* *value* ) Acá hay un ejemplo en C de cómo se usa: option = ODBX_TLS_ALWAYS; if( ( err = odbx_set_option( handle, ODBX_OPT_TLS, (void*) &option ) ) < 0 ) { fprintf( stderr, "odbx_set_option(): %s\n", odbx_error( handle, err ) ); odbx_finish( handle ); return err; } Así es el método apiSetOption de la clase OpenDBX apiSetOption: handle option: anOption value: aValue "int odbx_unbind(odbx_t*)" <cdecl: long 'odbx_set_option' (ulong ulong void*) module: 'opendbx' > ^self externalCallFailed Probé poner void*, void, ulong y ulong* pero en todos los casos me tiró el mismo error. Así se usa éste método en la clase DBXConnection: err := OpenDBX apiSetOption: self option:32 value:1. No lo subí porque no anda (y además porque squeaksource está caído), pero si no lo subo no se si me van a poder ayudar....¿quieren que igualmente lo suba? ¿alguna idea o pregunto en squeak-dev? saludos, mariano

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