July 2014 - Pharo-users - lists.pharo.org

[ANN] Spec documentation in PFTE book finished
by Johan Fabry Jan. 2, 2015

Jan. 2, 2015

Hi all, I am happy to announce that Ben and I finished the documentation of Spec for the Pharo For The Enterprise book. This documentation is up-to-date with the latest version of Spec, and is focused towards people wanting to use it and even extend it (in contrast to the academic papers which are â¦ academic ;-) ). I hope that this text will help all the people that are building UIs in Pharo, and it will clear up any doubts that they may have. The chapter is available in source form from the GitHub project of the PFTE book: https://github.com/SquareBracketAssociates/PharoForTheEnterprise-english The easiest way to read the chapter is from the continuous integration server, which produces a html file of the chapter here: https://ci.inria.fr/pharo-contribution/job/PharoForTheEnterprise/lastSucces… (The same server also produces pdf and markdown files, but there are some strange artifacts there, currently. I guess this will be cleared up in the future) We tried our best to make it understandable and complete, but if you have any doubts or comments please do not hesitate to let us know !! Ben prefers Github apparently, but if you are oldskool like me you can also send a mail (privately or to the mailing list). Now it's time to build some cool user interfaces! :-) ---> Save our in-boxes! http://emailcharter.org <--- Johan Fabry - http://pleiad.cl/~jfabry PLEIAD lab - Computer Science Department (DCC) - University of Chile

10 18

Roassal2 RTDraggable grid and synchronized movement
by Peter UhnÃ¡k Aug. 19, 2014

Aug. 19, 2014

While playing with RTMultiLine I thought that it would be nice to have option for RTDraggable elements to snap to a grid / move only by fixed increments - for example the position could only be divisible by 10 (grid size would be 10), so dragging from 20@10 to 26@4 would jump to 30@0. Is something like this possible with current implementation? The second question is: is it possible for element to subscribe for position updates of another element? (I.e. element A watches for movement of element B and moves accordingly). I know I could add both of them to a composite shape or RTGroup (RTDraggable>>groupToDrag:), however I would prefer something more loosely coupled. In RTDraggable>>initializeElement: i found " element when: TRMouseDragging do: [ :e | e element translateBy: e step. e signalUpdate ]" however it is commented out so perhaps there some other way? Peter

3 11

Roassal2 orthogonal lines, attach points and self-lines.
by Peter UhnÃ¡k Aug. 17, 2014

Aug. 17, 2014

Hi, is there any support for orthogonal lines in Roassal2? I've seen something similar (ROOrthoVerticalLineShape), however nothing of that sort in Roassal2. I would imagine it to behave similarly to RTBezierLine - having controllingElements to specify the corners. (While ROOrtholines did it automatically I was looking for something more manual, so it can go in both directions - thus the controllingElements). Second thing I wasn't able to figure out is whether it is possible to create line from element to itself. All *AttachPoint classes aren't really able to cope with that. The best result I got was from Vertical/Horizontal AttachPoints (combined with BezierLine), however I would like to be able to specify which side it would start on and end on. Ideally not just middle of sides, but arbitrary part of the shape (I imagine that might be hard for non-rectangular shapes). Thanks, Peter

3 13

Accessing DLLs in Smalltalk/V
by Bob Williams Aug. 9, 2014

Aug. 9, 2014

I found an old Smalltalk/V imagine from 2000 and tracked down how I was able add calls to Windows DLLs and to add my own. It was in the class DynamicLinkLibrary and its subclasses, e. g., a call to the GDIDLL to draw a Bezier spline (which I believe I added) was: bezierTo: hDC lpPoints: anLPPOINT count: anInt <api: PolyBezierTo ulong struct ulong boolean> ^self invalidArgument I added by own DLL to do matrix transformations that was written in ASSEMBLER to optimized the floating point processor pipelining (a start operation every cycle while it took 3 cycles to complete) and it performed about 15% better. I have not found anything similar in Pharo, but it must if external libraries are used. NativeBoost seems to come close, but I cannot find any documentation. Can someone point me to some documentation, code, anything? It is greatly appreciated. bw

8 12

Your success stories ...
by stepharo Aug. 5, 2014

Aug. 5, 2014

"Pharo success stories" is getting started at http://www.pharo.org/success TrentoSur http://trentosur.com looks so sexy Please send me information about yours they will be added to the pending queue Stef

3 2

Xcode's Swift Playground
by darrinm Aug. 5, 2014

Aug. 5, 2014

This is the sort of thing Smalltalk seems well suited for (live coding w/ value and iteration display). Does anyone know of something like it that has been done before in Smalltalk? I don't have a good link to a demonstration purely of the Playground but there is a little info here: https://developer.apple.com/swift/ -- View this message in context: http://forum.world.st/Xcode-s-Swift-Playground-tp4761425.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

15 28

Data Science with Pharo?
by volkert＠nivoba.de Aug. 3, 2014

Aug. 3, 2014

Here a really nice video on interactive data aquiring, analysis und visualization with F#. http://channel9.msdn.com/posts/Understanding-the-World-with-F Is this the way Pharo + Roassal + ... goes? Ok, we have moose, but a i understand it puts the focus on sw analysis and sw visualization. What about a new easy to use and interactive data science platform? BW, Volkert -- www.nivoba.de "The more complex an object, the larger the investment in learning to use it, and the greater the resistance to abandon it.", NW

9 19

Copy/past doesn't work sometimes
by Julien Delplanque July 31, 2014

July 31, 2014

Hello, I'm using pharo 3.9-7 and I notice that sometimes the copy/past function from another program to the pharo IDE doesn't work. For example, if I copy something from my internet browser (Chromium) to a workspace in the IDE it doesn't work. I also notice that if I copy something from my text editor (Sublime text) to a workspace it works... ArchLinux version: Linux msi 3.15.5-2-ARCH #1 SMP PREEMPT Fri Jul 11 07:56:02 CEST 2014 x86_64 GNU/Linux My Pharo VM version: 3.9-7 #1 Thu May 15 18:29:30 CEST 2014 gcc 4.6.3 [Production ITHB VM] NBCoInterpreter NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-4841-a965-2975997bba66 May 15 2014 NBCogit NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-4841-a965-2975997bba66 May 15 2014 https://github.com/pharo-project/pharo-vm.git Commit: ed4a4f59208968a21d82fd2406f75c2c4de558b2 Date: 2014-05-15 18:23:04 +0200 By: Esteban Lorenzano <estebanlm(a)gmail.com> Jenkins build #14826 Linux pharo-linux 3.2.0-31-generic-pae #50-Ubuntu SMP Fri Sep 7 16:39:45 UTC 2012 i686 i686 i386 GNU/Linux Thank you in advance for your responses! Julien

3 6

Fwd: [Pharo-dev] Fwd: World Skills 2015 Sao Paulo
by Damien Cassou July 31, 2014

July 31, 2014

---------- Forwarded message ---------- From: S Krish <krishnamachari.sudhakar(a)gmail.com> Date: Thu, Jul 31, 2014 at 8:31 AM Subject: [Pharo-dev] Fwd: World Skills 2015 Sao Paulo To: Discusses Development of Pharo <pharo-dev(a)lists.pharo.org> I am not able to post to Pharo-users list.. Can anyone forward it. ---------- Forwarded message ---------- From: S Krish <krishnamachari.sudhakar(a)gmail.com> Date: Thu, Jul 31, 2014 at 11:59 AM Subject: World Skills 2015 Sao Paulo To: A friendly place where any question about pharo is welcome <pharo-users(a)lists.gforge.inria.fr> http://www.worldskills.org/index.php?option=com_content&task=view&id=1183&I… Nice place to showcase Pharo as emerging technology if 21 and lesser developers are coming up with projects on it.. -- Damien Cassou http://damiencassou.seasidehosting.st "Success is the ability to go from one failure to another without losing enthusiasm." Winston Churchill

1 0

sound chapter is now in english
by stepharo July 31, 2014

July 31, 2014

https://ci.inria.fr/pharo-contribution/job/PharoForTheEnterprise/lastSucces… next is artefact...

1 0