May 2015 - Pharo-dev - lists.pharo.org

Re: [Pharo-dev] games in pharo

by seb NZOGANG

how many method can i create to develop tetris's game in pharo 4.0?? Le 15/05/2015, Nicolai Hess<nicolaihess(a)web.de> a Ã©critÂ : > 2015-05-15 9:59 GMT+02:00 seb NZOGANG <sebnzogang(a)gmail.com>: > >> Bonjour je suis nouveau dans la Programmation OrientÃ©e Objet sur >> pharo.j'utilise la version 4.0 de pharo et j'ai une connaissance assez >> avancÃ©e dans la programmation mais ce langage qui viens juste de nous >> Ãªtre enseignÃ© est assez nouveau pour moi.et c'est dans l'optique de >> cet enseignement qu'il nous a Ã©tÃ© demandÃ© de programmer le jeu tÃ©tris >> et je ne sai par ou commencer.merci de m'aider SVP. >> >> >> > > Welcome, > > There is a thread about some simple games (tetris for example) done pharo: > http://forum.world.st/Published-some-old-games-tp4804446.html > > > > cheers > nicolai >

May 15, 2015

Re: [Pharo-dev] games in pharo

by seb NZOGANG

how many method can i create to developper tetris's game?? Le 15/05/2015, Nicolai Hess<nicolaihess(a)web.de> a Ã©critÂ : > 2015-05-15 9:59 GMT+02:00 seb NZOGANG <sebnzogang(a)gmail.com>: > >> Bonjour je suis nouveau dans la Programmation OrientÃ©e Objet sur >> pharo.j'utilise la version 4.0 de pharo et j'ai une connaissance assez >> avancÃ©e dans la programmation mais ce langage qui viens juste de nous >> Ãªtre enseignÃ© est assez nouveau pour moi.et c'est dans l'optique de >> cet enseignement qu'il nous a Ã©tÃ© demandÃ© de programmer le jeu tÃ©tris >> et je ne sai par ou commencer.merci de m'aider SVP. >> >> >> > > Welcome, > > There is a thread about some simple games (tetris for example) done pharo: > http://forum.world.st/Published-some-old-games-tp4804446.html > > > > cheers > nicolai >

May 15, 2015

Re: [Pharo-dev] games in pharo

by valmy roi

Ceci n'est pas un endroit pour rÃ©soudre vos tpe Le 15 mai 2015 10:20, Nicolai Hess <nicolaihess(a)web.de> a Ã©crit : > > > 2015-05-15 9:59 GMT+02:00 seb NZOGANG <sebnzogang(a)gmail.com>: > >> Bonjour je suis nouveau dans la Programmation OrientÃ©e Objet sur >> pharo.j'utilise la version 4.0 de pharo et j'ai une connaissance assez >> avancÃ©e dans la programmation mais ce langage qui viens juste de nous >> Ãªtre enseignÃ© est assez nouveau pour moi.et c'est dans l'optique de >> cet enseignement qu'il nous a Ã©tÃ© demandÃ© de programmer le jeu tÃ©tris >> et je ne sai par ou commencer.merci de m'aider SVP. >> >> >> > > Welcome, > > There is a thread about some simple games (tetris for example) done pharo: > http://forum.world.st/Published-some-old-games-tp4804446.html > > > > cheers > nicolai > -- Kenfack Valmy-Roi IngÃ©nieur des travaux en Informatique de Gestion/ Analyste Programmeur Institut SupÃ©rieur du Sahel Email : roykenvalmy(a)gmail.com Tel: 22 11 01 87/ 76 94 23 01 / 99 04 0612

May 15, 2015

games in pharo

by Nicolai Hess

2015-05-15 9:59 GMT+02:00 seb NZOGANG <sebnzogang(a)gmail.com>: > Bonjour je suis nouveau dans la Programmation OrientÃ©e Objet sur > pharo.j'utilise la version 4.0 de pharo et j'ai une connaissance assez > avancÃ©e dans la programmation mais ce langage qui viens juste de nous > Ãªtre enseignÃ© est assez nouveau pour moi.et c'est dans l'optique de > cet enseignement qu'il nous a Ã©tÃ© demandÃ© de programmer le jeu tÃ©tris > et je ne sai par ou commencer.merci de m'aider SVP. > > > Welcome, There is a thread about some simple games (tetris for example) done pharo: http://forum.world.st/Published-some-old-games-tp4804446.html cheers nicolai

May 15, 2015

Re: [Pharo-dev] New CogVMs available

by seb NZOGANG

Bonjour je suis nouveau dans la Programmation OrientÃ©e Objet sur pharo.j'utilise la version 4.0 de pharo et j'ai une connaissance assez avancÃ©e dans la programmation mais ce langage qui viens juste de nous Ãªtre enseignÃ© est assez nouveau pour moi.et c'est dans l'optique de cet enseignement qu'il nous a Ã©tÃ© demandÃ© de programmer le jeu tÃ©tris et je ne sai par ou commencer.merci de m'aider SVP. 2015-05-15 6:17 UTC+02:00, Eliot Miranda <eliot.miranda(a)gmail.com>: > at http://www.mirandabanda.org/files/Cog/VM/VM.r3343. > > CogVM source as per VMMaker.oscog-eem.1303/r3343 > > Cogit: > Fix the regression with #== in the StackToRegisterMappingCogit; > a spilled constant must still be dropped from the stack. (fixes the > width:color: MNU) > > Since the method zone does not scavenge PICs, the MNU method in an MNU PIC > entry > cannot be young. If it is, void the cache (load 0 instead of the method). > -- > best, > Eliot >

May 15, 2015

Re: [Pharo-dev] untypeable key combination

by Nicolai Hess

We now use a new class for the space-key as key combination. fixed and included in 50045 (https://pharo.fogbugz.com/default.asp?15529) This way we don't end up with hundreds of obsolete class instances. But the problem with circular references still exist. 15535 <https://pharo.fogbugz.com/default.asp?15535> break circular reference for keymappings I could need some help here, any idea how to work with the key mapping registration without holding (or how to release) strong references? thanks in advance nicolai 2015-02-20 9:26 GMT+01:00 Marcus Denker <marcus.denker(a)inria.fr>: > > > On 19 Feb 2015, at 10:19, Nicolai Hess <nicolaihess(a)web.de> wrote: > > > > Fogbugz issue 14936 > > and slice in inbox > > > > After loading this slice, there are still many references to the (now) > obsolete class KMUntypeableSingleKeyCombination. > > I tried to remove these references with the following code : > > > > NECPreferences popupShowWithShortcut: nil. > > KMSingleKeyCombination reset. > > KMSpecialCharSingleKeyCombination reset. > > KMRepository reset. > > > > > > But they arent removed. > > > > Anyone knows how to re-init all users of > KMUntypeableSingleKeyCombination ? > > > > > > Very strangeâ¦ using âexplore pointersâ with the old inspector, it shows > lots of instancesâ¦ I sadly have no > time to now look deeper, but the pointer explorer should be a way to find > who holds onto themâ¦ > > Marcus > > > >

May 15, 2015

OLEDB versus ODBC

by Ben Coman

I hust bumped into some old news (2011) I hadn't heard before that I thought might be of interest to those working on database drivers for Pharo, to perhaps not spend any time on OLEDB. "Microsoft announced it will focus on supporting the Open Database Connectivity (ODBC) approach for SQL Server application programming interfaces (APIs) in the near future. Microsoft indicated that it will gradually step away from supporting OLE DB." https://redmondmag.com/articles/2011/09/01/microsoft-shifting-to-open-datab… cheers -ben

May 15, 2015

Re: [Pharo-dev] ctrl+a is seen as ctrl+home windows

by Nicolai Hess

forward to vm-dev 2015-05-14 21:34 GMT+02:00 Nicolai Hess <nicolaihess(a)web.de>: > I added an issue: > > 15541 <https://pharo.fogbugz.com/default.asp?15541> windows vm does not > distinguish between ctrl+a and ctrl+home > > with a proposed solution: > add $a-1 to the utf32Code field of the event struct, if the keyevent is a > keystroke and the ctrl flag is set > > what do you think? > > > this happens on squeak (vm: Win32 built on Aug 22 2013 10:20:54 Compiler: 3.4.4 ) too. But the eventbuffer is different: pharo ctrl+a/ctrl+home both report: #(2 TIMESTAMP 1 0 2 1 0 1) squeak ctrl+a/ctrl+home both report: #(2 TIMESTAMP 1 0 8 97 0 1) > > > 2014-06-30 9:31 GMT+02:00 Guillermo Polito <guillermopolito(a)gmail.com>: > >> There is an end key in many keyboards, but some others do not have it. >> Can you (or better, How would you) have ctrl+end in keyboards that doesn't? >> >> Some VMs hardcoded that Ctrl+a = ctrl+home and Ctrl+d = Ctrl+end because >> that's how old terminals work... Now, why have hardcoded ctrl+a = ctrl + >> home, if you can just add a keybinding to ctrl + a? >> >> >> On Mon, Jun 30, 2014 at 8:55 AM, Nicolai Hess <nicolaihess(a)web.de> wrote: >> >>> >>> 2014-06-29 16:34 GMT+02:00 Denis Kudriashov <dionisiydk(a)gmail.com>: >>> >>> Hi >>>> >>>> hasSpecialCTRLKeyValue was extracted by me when I hack keybindings to >>>> make ctrl+home and ctrl+end working. Like you I was very surprised by such >>>> keyboard events crappy state. >>>> >>>> >>> >>> So, having ctrl+end and ctrl+d working at the same time is not possible? >>> >>> >>> >>> >>> >>> >>> >>>> >>>> >>>> 2014-06-25 11:22 GMT+04:00 Nicolai Hess <nicolaihess(a)web.de>: >>>> >>>> 2014-06-25 8:58 GMT+02:00 Guillermo Polito <guillermopolito(a)gmail.com>: >>>>> >>>>> There is a problem in the whole keyboard events: they treat keys as >>>>>> characters and vice versa. And that's not always true: >>>>>> - the backspace key is a key, but currently the image interprets it >>>>>> as a character because we only use keypress events in general. >>>>>> - the shift key is a key, and since current image does not use keyup >>>>>> nor keydown, we cannot know if JUST a shift is pressed normally. >>>>>> >>>>>> >>>>>> On Wed, Jun 25, 2014 at 8:53 AM, Sven Van Caekenberghe <sven(a)stfx.eu> >>>>>> wrote: >>>>>> >>>>>>> I don't know anything about event handling, but I once had a look at >>>>>>> Character constants, and found this: >>>>>>> >>>>>>> Character class>>#home >>>>>>> ^ self value: 1 >>>>>>> >>>>>>> How about that ?? This is wrong IMHO, ASCII / Unicode value 1 is SOH >>>>>>> (Start of header), sometimes typed as CTRL-A. And there are other strange >>>>>>> constants like that there. >>>>>>> >>>>>>> On 25 Jun 2014, at 08:42, Tudor Girba <tudor(a)tudorgirba.com> wrote: >>>>>>> >>>>>>> > Hi, >>>>>>> > >>>>>>> > I am on Windows, using Pharo 3.0, and I am trying to get the >>>>>>> keybindings to work in Rubric using Windows convention (so, Ctrl instead of >>>>>>> Cmd as a modifier), >>>>>>> > >>>>>>> > It worked reasonably well, but the problem is that somehow Ctrl+a >>>>>>> is mapped to Ctrl+Home. The problem is not specific to Rubric as I can >>>>>>> detect the same behavior in the regular PluggableTextMorph. >>>>>>> > >>>>>>> > Does anyone have an idea of where the problem comes from? >>>>>>> > >>>>>>> > Doru >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > -- >>>>>>> > www.tudorgirba.com >>>>>>> > >>>>>>> > "Every thing has its own flow" >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>> >>>>> ctrl+a has the same strange behavior as ctrl+d >>>>> ctrl+a -> ctrl+home >>>>> ctrl+d -> ctrl+end >>>>> >>>>> look at KeyboardEvent>>#hasSpecialCTRLKeyValue >>>>> I am not exactly sure why it is handled that way. >>>>> Replace the method with >>>>> >>>>> hasSpecialCTRLKeyValue >>>>> ^ self controlKeyPressed and: [ keyValue <= 26 ] >>>>> >>>>> now, ctr+a and ctr+d working as expected. >>>>> But I don't know about the side-effects. >>>>> >>>>> >>>>> nicolai >>>>> >>>>> >>>> >>> >> >

May 15, 2015

Re: [Pharo-dev] Transcript needs your love

by Tudor Girba

Pressed save too early. The infrastructures for doing that exist already in SystemLogger and Beacon, and we will merge these two and produce one common logging engine. However, one challenge that came out of the description of Clement is to show a partial representation of an event before the full event is completed. For example, one issue is to see the printing of a compiled method while it is being compiled. In a regular case, you would model the event to be the MethodCompiledSignal that holds the string or the object, but this would only be available after the method was compiled. As you need to get information during the compilation process, you either need finer grained events, or another mechanism. This is a fun one to play with, but it is certainly doable. Cheers, Doru On Fri, May 15, 2015 at 7:30 AM, Tudor Girba <tudor(a)tudorgirba.com> wrote: > What Stef means is that ideally, we should no strive to not have code > like: "Transcript show: 'my event'". Instead, we should only log events > (ideally, concrete classes like MyEvent) and if we want to see the textual > representation of this, we just plug a Transcript interface to the logger. > > Cheers, > Doru > > > > On Fri, May 15, 2015 at 4:27 AM, Ben Coman <btc(a)openinworld.com> wrote: > >> >>> >>> >>> Le 14/5/15 15:12, Alain Rastoul a Ã©crit : >>> >>> Le 14/05/2015 02:08, J. Vuletich (mail lists) a Ã©crit : >>>> >>>>> A port of the code to Pharo is required, as Alain and Stef have shown. >>>>> Besides, Cuis doesn't include support for Traits. I think your idea is >>>>> very good, and I hope some Pharoer (Alain?) does it. >>>>> >>>> >>>> Hi Juan, >>>> >>>> I tried Cuis, you did a very nice work here. >>>> >>>> About porting, I did this first raw port to allow other peoples who >>>> complains about pharo transcript to have a look at Cuis Trancript more >>>> easily. >>>> And apart from a small window inset problem and an initial display Form >>>> I probably did not get well (and/or a clip missing somewhere?), it does the >>>> same thing than in Cuis. >>>> >>>> May be we should wait a little so that people can say their word about >>>> it too and eventually/if they want/can/... investigate those two morphic >>>> porting issues. >>>> In the meanwhile, a simple "fix" in the Transcript could be done too >>>> (see last Ben's post) with an extra system settings. >>>> >>>> About sluggishnesh and Transcript speedup , the changes you made in >>>> Cuis, as seen in git commits, are a bit intrusive (DateAndTime, >>>> AbstractFont, Strikefont ?), I don't think I know pharo enough to report >>>> them. >>>> >>>> Also I experienced another issue that exits in Cuis too: >>>> >>>> The Transcript overwrite other morphs/windows when showing its contents >>>> during do-it >>>> >>>> After end of execution, the world redisplays correctly >>>> but not in Pharo >>>> >>>> (see attached screen shots) >>>> >>>> >>>> >>> >>> >> On Fri, May 15, 2015 at 3:18 AM, stepharo <stepharo(a)free.fr> wrote: >> >>> Thanks alain for checking. >>> I think that we can offer different implementations and let people pick >>> the ones they like. >>> My goal is to remove direct refer to Transcript from the image so that >>> we can plug an implementation and in particular >>> the merge of Doru and Norbert/Mine loggers >>> >>> Stef >>> >> >> I don't quite follow "remove direct refer to Transcript". Isn't >> "Transcript" effectively a global variable that can already be plugged with >> any implementation? >> >> As I've been contemplating the Transcript situation, I keep coming back >> to the idea that Transcript should be a client of a broader logging >> framework, but wondering how much complication that would to tracing VM >> simulation. >> >> Further, since the logging framework needs to be threadsafe, rather than >> using protected access to a shared datastructure, would it be good to have >> a separate "logging" process to consume log entry submissions from multiple >> threads, and pass them on to output threads (including Transcript viewer). >> Some possible advantages: >> * Eliminate complications from priority inversion ( >> http://en.wikipedia.org/wiki/Priority_inversion) >> * Minimise code that log-entry-producer-thread needs to execute/debug >> into -- maybe beneficial for VM simulation? >> * Minimises execution time in log-entry-producer-thread. >> >> cheers -ben >> >> >> >> > > > > -- > www.tudorgirba.com > > "Every thing has its own flow" > -- www.tudorgirba.com "Every thing has its own flow"

May 15, 2015

Re: [Pharo-dev] [squeak-dev] Cog VM problem?

by Tobias Pape

Hi Eliot On 15.05.2015, at 02:07, Eliot Miranda <eliot.miranda(a)gmail.com> wrote: > Hi Raymond, > > yes, thanks. We have a regression in the code generator due to recent changes to #== compilation. We're working on it. I hope to have a fix soon. Apologies for the inconvenience. > > For those of you curious why this only affects the V3 VM, not the Spur VM, the reason is that in Spur the Cogit passes up to 2 argument sends in registers but in V3 it passes only up to 1 arg sends in registers. In > > (borderWidth = style width and: > ["Hah! Try understanding this..." > > borderColor == style style or: > ["#raised/#inset etc" > > #simple == style style and: [borderColor = style color]]]) > ifFalse: > [style := borderColor isColor > ifTrue: [BorderStyle width: borderWidth color: borderColor] > ifFalse: [(BorderStyle perform: borderColor) width: borderWidth "argh."]. > self setProperty: #borderStyle toValue: style]. > > #simple erroneously ends up getting spilled to the stack, so that when the send of width:color: to BorderStyle occurs the code generator emits code to access what it thinks is BorderWidth, but ends up accessing #simple instead. > > As I say we're working on it and should have a fix soon. Thank you! Best regards -Tobias > > On Thu, May 14, 2015 at 8:13 AM, Raymond Asselin <jgr.asselin(a)me.com> wrote: > Cog.app-15.19.3336.tgz > gave me a Debugger window > > > > with these artefacts > This is a MauiDomainMorph

May 15, 2015