- Pharo-dev - lists.pharo.org

Questions about Athens
by kilon alios Nov. 13, 2013

Nov. 13, 2013

I created a new subject About the problem to recreate it all it takes is a demo := AthensDemoMorph new openInWorld . It opens the morph with the Athens grey box, I save the image , close pharo, open pharo which reloads the image automagically and BOOM Red Box of Doom :) My other tries also are based on AthensDemoMorph since I cant find documentation to do things differently. So lets get to the questions 1) You say you have morphs using Athens that don't have this problem, care to explain further ? 2) How do I recreate automatically those surfaces ? 3) Do I need to instruct the image on load to reinitialize those objects ? 4) If yes How I do that ? You say its a major problem but yet its not an Athens bug. I know this is has to do with how image saves live objects and that NB calls are not part of the image hence creating the problem. 5) Are there ways to avoid the problem ? 6) Also why there is a Red Box of Doom in the first place ? 7) Why the debugger is not triggered as it should be ? 8) Is that critical a failure of Morphic ? 9) Why Athens even though is based largely on Cairo , and taking into consideration the intention to extend to other graphical interfaces, not following the Cairo design more closely so we can use the Cairo tutorials ? 10) Is the Cairo design so prohibiting / limiting for Athens ? Does Cairo do things so differently than other vector based libraries ? 11) How important is Athens to Pharo community , meaning further bug fixes, improvements , tutorials etc ? I hear there is an intention to gradual move Morphic to it. Is this true ? I really like Athens, I am asking all these questions because I need to make a fast decision whether I will continue to use Pharo or not for my project. Learning OpenGL and using NBOpenGL produced zero results for me. I was not even able to create a single triangle. My gpu driver because of Macos gave me close to zero errors, and Red Box of Doom made it impossible to debug opengl problems. In short close to zero error reporting made it a no go for me. So I fall back at much simpler solutions because I want to create my own GUI API. I see several solutions for this 1) Pharo Athens 2) Amber SVG / WebGL based Vector libs like Pixi / Athens / HTML5 + CSS 3) Python + PyQT + QT I rather stay with Pharo. But I already wasted months of doing nothing and going nowhere with NBOpenGL , I am tried of moving in circles. I am not frustrated cause I knew when I tried that OpenGL was very hard ( I was warned by several opengl people ) so failure was always an option , but I can no longer justify wasting my time getting nowhere. I dont need much from a graphic lib all I need is a) Stability . If it crashes regularly its no good b) Speed, if moving graphic elements around slows down (anything above 20%) dual cores , its no good c) Basic Feature set like , lines, curves , circles and ellipses , display of raster graphics, simple animations , import export of graphic formats, png , jpg and svg is enough. Looks like Athens satisfies b and c , I am not so sure about a. I am trying to understand Athens code from reading it, once again I am a big failure at understanding code. So is there any hope for someone like me , that he is not a very good coder, he is new to Pharo and he has a simple mind to use Athens to make a basic GUI API ? On Thu, Oct 31, 2013 at 6:07 PM, Igor Stasenko <siguctua(a)gmail.com> wrote: > > On 31 October 2013 16:40, kilon alios <kilon.alios(a)gmail.com> wrote: > >> save the image while the morph is displayed, reload the image and in its >> place there is the big red box with the yellow X , reporting an error with >> Athens. I have reproduced the error on Windows too with the Athens >> examples. I assumed my explanation was clear , I hope its clear now. >> >> > no. not clear. which morph? what class, how you using it etc. > I have morphs which using Athens for drawing and i can save and load image > back and i don't have red squares of death. > > >> This means that its impossible to save an image with a morph using Athens >> displaying and have it reload back when the image is reloaded. >> >> The athens-surface, especially cairo surface is valid only within a > single session. > if you boot new image, you must recreate (or stop using) surface you used > in previous session. > Otherwise you will have red box of doom. > > And while i agree that this is pretty major problem (in terms of making > your morph to be session-aware > and in terms of managing external resources) i am far from calling it a > bug of Athens of any kind per se. > > > >> On Thu, Oct 31, 2013 at 5:05 PM, StÃ©phane Ducasse < >> stephane.ducasse(a)inria.fr> wrote: >> >>> >>> On Oct 31, 2013, at 9:55 AM, kilon alios <kilon.alios(a)gmail.com> wrote: >>> >>> yes I am aware of the examples already, I am learning from them. Please >>> note I have found a bug with Athens, which looks to me pretty major. If I >>> save a morph using Athens >>> >>> >>> what do you mean save a morph >>> >>> and reload the image, >>> >>> >>> what do you mean? >>> >>> >>> I see the red box of doom. For example trying your example from >>> stackoverflow. Are you aware of this bug ? >>> >>> >>> On Thu, Oct 31, 2013 at 2:43 AM, Igor Stasenko <siguctua(a)gmail.com>wrote: >>> >>>> ah, yes , there's also examples in >>>> Athens-Examples package. >>>> >>>> >>>> On 31 October 2013 01:30, Igor Stasenko <siguctua(a)gmail.com> wrote: >>>> >>>>> >>>>> On 30 October 2013 23:02, kilon alios <kilon.alios(a)gmail.com> wrote: >>>>> >>>>>> well I just asked if there is any kind of Documentation about Athens >>>>>> . Or should I just read the code and ask questions ? >>>>>> >>>>>> >>>>> the main source of documentation right now is class comments >>>>> and tutorial. >>>>> I've spent quite of a time commenting the central classes of athens, >>>>> hope that's helpful. >>>>> Of course this does not replacement for a well written docu, and that >>>>> needs to be done. >>>>> >>>>> >>>>>> >>>>>> On Wed, Oct 30, 2013 at 11:51 PM, Igor Stasenko <siguctua(a)gmail.com>wrote: >>>>>> >>>>>>> i hope you satisfied with my answer. >>>>>>> you welcome to ask more, if you not :) >>>>>>> >>>>>>> >>>>>>> On 30 October 2013 22:32, dimitris chloupis <thekilon(a)yahoo.co.uk>wrote: >>>>>>> >>>>>>>> >>>>>>>> http://stackoverflow.com/questions/19694197/how-to-create-lines-with-athens >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Best regards, >>>>>>> Igor Stasenko. >>>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> Best regards, >>>>> Igor Stasenko. >>>>> >>>> >>>> >>>> >>>> -- >>>> Best regards, >>>> Igor Stasenko. >>>> >>> >>> >>> >> > > > -- > Best regards, > Igor Stasenko. >

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Re: [Pharo-dev] petit parser repository
by Stephan Eggermont Nov. 13, 2013

Nov. 13, 2013

Just try with .44

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smalltalkhub.com down
by Nicolas Cellier Nov. 13, 2013

Nov. 13, 2013

http://www.downforeveryoneorjustme.com/smalltalkhub.com

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[pharo-project/pharo-core] 5061af: 30569
by GitHub Nov. 13, 2013

Nov. 13, 2013

Branch: refs/heads/3.0 Home: https://github.com/pharo-project/pharo-core Commit: 5061afcc6b94bf49966bc30282409e08a25b4912 https://github.com/pharo-project/pharo-core/commit/5061afcc6b94bf49966bc302… Author: Jenkins Build Server <board(a)pharo-project.org> Date: 2013-11-13 (Wed, 13 Nov 2013) Changed paths: A ScriptLoader30.package/ScriptLoader.class/instance/pharo - scripts/script225.st A ScriptLoader30.package/ScriptLoader.class/instance/pharo - updates/update30569.st M ScriptLoader30.package/ScriptLoader.class/instance/public/commentForCurrentUpdate.st M Spec-Core.package/ComposableModel.class/instance/private-focus/takeKeyboardFocus.st M Spec-Inspector.package/EyeTreeInspector.class/instance/accessing/tree.st M Spec-PolyWidgets.package/SearchableTree.class/instance/protocol/roots_.st Log Message: ----------- 30569 11782 SearchableTree not working https://pharo.fogbugz.com/f/cases/11782 12132 MNU: TreeNodeModel>>#item https://pharo.fogbugz.com/f/cases/12132 http://files.pharo.org/image/30/30569.zip

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[pharo-project/pharo-core]
by GitHub Nov. 13, 2013

Nov. 13, 2013

Branch: refs/tags/30569 Home: https://github.com/pharo-project/pharo-core

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[pharo-project/pharo-core]
by GitHub Nov. 13, 2013

Nov. 13, 2013

Branch: refs/tags/30568 Home: https://github.com/pharo-project/pharo-core

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[pharo-project/pharo-core] 7a468a: 30568
by GitHub Nov. 13, 2013

Nov. 13, 2013

Branch: refs/heads/3.0 Home: https://github.com/pharo-project/pharo-core Commit: 7a468acff5960957559f8cd3760f3ce487570864 https://github.com/pharo-project/pharo-core/commit/7a468acff5960957559f8cd3… Author: Jenkins Build Server <board(a)pharo-project.org> Date: 2013-11-13 (Wed, 13 Nov 2013) Changed paths: R Ring-Core-Kernel.package/RGClassDescriptionDefinition.class/instance/instance variables/instVarNamed_.st A Ring-Core-Kernel.package/RGClassDescriptionDefinition.class/instance/instance variables/instanceVariableNamed_.st M Ring-Core-Kernel.package/RGClassDescriptionDefinition.class/instance/instance variables/removeInstVarNamed_.st A Ring-Core-Kernel.package/RGDefinition.class/instance/converting/asRingDefinition.st A Ring-Tests-Kernel.package/RGClassDefinitionTest.class/instance/testing/testAsRingDefinition.st M Ring-Tests-Kernel.package/RGClassDefinitionTest.class/instance/testing/testWithClassInstanceVariables.st M Ring-Tests-Kernel.package/RGClassDefinitionTest.class/instance/testing/testWithInstanceVariables.st M Ring-Tests-Kernel.package/RGVariableDefinitionTest.class/instance/testing/testVariableEquality.st A ScriptLoader30.package/ScriptLoader.class/instance/pharo - scripts/script224.st A ScriptLoader30.package/ScriptLoader.class/instance/pharo - updates/update30568.st M ScriptLoader30.package/ScriptLoader.class/instance/public/commentForCurrentUpdate.st M Spec-Core.package/TextModel.class/instance/protocol/codePaneMenu_shifted_.st M Spec-Core.package/TreeModel.class/class/examples/exampleWithCustomColumnsAndNodesAndChildren.st A Spec-Core.package/TreeModel.class/class/examples/exampleWithNoSpecifiedNodes.st M Spec-Core.package/TreeModel.class/instance/initialization/initialize.st M Spec-Core.package/TreeNodeModel.class/instance/initialize/initialize.st M Spec-Core.package/TreeNodeModel.class/instance/procotol/children_.st M Spec-MorphicAdapters.package/MorphicTreeNodeAdapter.class/instance/widget API/childrenBlock.st M Spec-MorphicAdapters.package/SpecTreeNodeModel.class/instance/building/childNodeFromItem_.st Log Message: ----------- 30568 12153 Issue with the old TreeModel API https://pharo.fogbugz.com/f/cases/12153 12151 Ring definitions should respond to #asRingDefinition https://pharo.fogbugz.com/f/cases/12151 12152 RGClassDescriptionDefinition should not override #instVarNamed: https://pharo.fogbugz.com/f/cases/12152 http://files.pharo.org/image/30/30568.zip

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Issue with last line / line ending between FileTree and other repositoroes
by Mariano Martinez Peck Nov. 13, 2013

Nov. 13, 2013

Hi Dale, During Smalltalks, you helped me to start loading my code into GemStone. For that, we created a temp FileTree repository so that we could easily edit/save and retry the load. That saved us modifying the code elsewhere, commit, load again etc... Cool! But now I have a problem... I am trying to merge from filetree to my original repo. And when I do a diff (Monticello "Changes"), ALL methods look like modified. FileTree either: - Removed last empty lines - Changed the last dot of the last line. - Removed last space of the last line So...in summary, it is like if it has changed always the very last character (whether it is a space, a dot or an empty line). Maybe this is related to crlf I don't know. But it is a pain because it looks like I am committing 5k changes! hahaha and I cannot easily see what I have really changed. Is this a known problem? Any workaround? I will send you by private email some screenshots. Thanks! -- Mariano http://marianopeck.wordpress.com

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Monticello SmalltalkHub no longer asks for credentials
by Ben Coman Nov. 13, 2013

Nov. 13, 2013

Before logging an issue, can someone confirm that (from a least build #30545) saving via Monticello to Smalltalkhub does not ask for credentials, but just fails with MCPermissionDenied? cheers -ben

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Large difference in image size when loading configuration
by phil＠highoctane.be Nov. 12, 2013

Nov. 12, 2013

I am experiencing the following while loading my configuration. REPO=http://www.smalltalkhub.com/mc/philippeback/HOWebStack/main ./pharo Pharo.image config $REPO ConfigurationOfHOWebStack --install=0.4 Everything loads fine. But: with a package-cache/ empty, the final image is: 44.452.060 with a changes file of: 10.831.877 with a primed package-cache (meaning, letting the mczs in place and starting with a fresh image), the final image is: 29.480.912 with a changes file of: 10.830.899 That's quite a huge difference. I tried again to be sure (fresh image and empty package-cache, then fresh image only) and, weirdly enough, even if the difference in size was the same, the sizes themselves weren't.the same... 44.446.152 - 10.830.899 29.986.284 - 10.831.543 Maybe that's due to a GC occurring differently between the two. But this gives the impression that one cannot load a base image, apply a configuration, and end up with the same image twice. Weird. Why is this difference so large in the first place ? Phil

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