June 2024 - Pharo-users - lists.pharo.org

EXIF / JPEG metadata
by Alistair Grant Nov. 30, 2025

Nov. 30, 2025

Hi Everyone, As far as I can tell, JPEGReadWriter in Pharo 7 doesn't read (or write) the image metadata, e.g. title, keywords, exposure time, etc. Is anyone aware of a package that does? Thanks! Alistair

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How can I remove an item on the main Pharo menu left over by a Roassal installation?
by vfclists June 28, 2024

June 28, 2024

After an attempt to install Roassal a persistent menu item has been to the top level of the image's menu. The menu label is `Load full version` and after searching the image it is coming from a `RSWorldMenu menu06LoadFullVersionOn` method which triggers the `RSWorldMenu loadFullVersion` event. How do I remove this element from the main menu object which I suspect might fix the problem? -- Frank Church

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This week (26/2024) on the Pharo Issue Tracker
by Marcus Denker June 28, 2024

June 28, 2024

# Fixes - Fix/Patch production build zip error #16806 https://github.com/pharo-project/pharo/pull/16806 - File Browser: Add "disable preview" #788 https://github.com/pharo-spec/NewTools/pull/788 - Add #restore to the SpWindowPresenter API #1563 https://github.com/pharo-spec/Spec/pull/1563 # Refactoring Engine / Rules - Migrate Refactoring for Generating printOn: method #16789 https://github.com/pharo-project/pharo/pull/16789 - Add indentation rules #16785 https://github.com/pharo-project/pharo/pull/16785 # Cleanup - Move #isRoot to fast table #16800 https://github.com/pharo-project/pharo/pull/16800 - Cut dependencies of Iceberg on UI #1829 https://github.com/pharo-vcs/iceberg/pull/1829 # Website - Update 2024-06-07-MoocOO.md: make clear that Mooc Enrollment stays open #76 https://github.com/pharo-project/pharo-website/pull/76

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Does the Pharo and Squeak IDEs have some kind of screen and keyboard macro system?
by vfclists June 27, 2024

June 27, 2024

Does Pharo and Squeak have some screen activity recording system that can record your keystrokes and mouse clicks and convert them to UI commands for playback? -- Frank Church

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[ANN] New MOOC "Advanced Object-Oriented Design"
by Marcus Denker June 26, 2024

June 26, 2024

[ANN] New MOOC "Advanced Object-Oriented Designâ ï¿¼ Get ready for a new #MOOC "Advanced Object-Oriented Design"! Understand the key mechanisms and the essence of OOD with the following topics: ï¿¼Understanding messages ï¿¼Test-Driven Design ï¿¼Hooks: support for evolution ï¿¼Objects: state and behavior ï¿¼Elementary design patterns ï¿¼Double dispatch ï¿¼Object creation ï¿¼Sharing objects ï¿¼Inversion of control ï¿¼About types Trailer: https://www.youtube.com/watch?v=9HMYS-mzDKQ&t=1s You will find: ï¿¼ Videos to explain main concepts & tools ï¿¼Quizzes and exercises that we've packaged together in companion exercises book ï¿¼Lectures with command transcripts & explanations ï¿¼ Course starts on June 17 ï¿¼ Enroll for free: https://urlr.me/M6hSr <https://pharo.us11.list-manage.com/track/click?u=6f667565c2569234585a7be77&…> ï¿¼ Pace: Self-Paced, 1-year access ï¿¼ English

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A test message to see if subscription is active.
by vfclists June 25, 2024

June 25, 2024

A test message to see if subscription is active. Confirmation took longer than I expected. -- Frank Church =======================

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Object-centric breakpoint experiment during ESUG'24
by Steven Costiou June 24, 2024

June 24, 2024

Dear community, First, I would like to thanks again all the participants to our experiment with object-centric breakpoints in Pharo. Many people participated, and we plan to present our results in an informal manner at ESUG. However, from the scientifical point of view it would strenghten our analysis if we had more participants. The more participants we have, the more we can trust our results and take enlightened decisions about how to further develop the object-centric debugger. Therefore, the experiment remains open until July 10th (included). If you're interested you can still do it, the instructions are here https://github.com/Pharo-XP-Tools/XPImageGeneration/tree/exp-ocd Many people also declined to participate because of a lack of time, which we totally understand. This is why we also propose to you, if time is an issue, to participate to the experiment during the first days of esug. We can find a calm room in which we can supervise the experiment and collect your data (reminder: once in our server the data is anonymized). Please let us know if you would be potentially interested to participate in such setting during ESUG. Thanks in advance, Steven and Valentin, EVREF team.

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Method comparison
by Davide Varvello June 21, 2024

June 21, 2024

In older Pharo versions it was possible to compare two methods selecting them via UI.Â I couldn't find this opportunity in Pharo10, Â so digging into the source code I found SpDiffPresenter, if you pass to it a couple of selectors it can compare them. Example: SpDiffPresenter new showOptions: true; leftText: (MyObject >> #firstSelector) sourceCode; rightText: (MyObject >> #secondSelector) sourceCode; contextClass: True; openÂ CheersDavide

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This week (25/2024) on the Pharo Issue Tracker
by Marcus Denker June 21, 2024

June 21, 2024

This week we backported some fixes to Pharo12, mostly related to high resolution rendering and Traits # Pharo 12 - Backport change of default value for setting #autoSetCanvasScaleFactor to true #16783 https://github.com/pharo-project/pharo/pull/16783 - Remove (wrong) primitive usage #16781 https://github.com/pharo-project/pharo/pull/16781 - [Backport] Port fixes on traits and metaclasses to Pharo 12 #16776 https://github.com/pharo-project/pharo/pull/16776 - Backport use of FormSet for #withCloseBox and #withPinBox on MenuTitleMorph #16774 https://github.com/pharo-project/pharo/pull/16774 - Backport selective removal of entries in #shrinkTo: on FreeTypeCache #16773 https://github.com/pharo-project/pharo/pull/16773 - [P12][Backport] fix #needRequestorScope of StDebuggerContextInteractionModel so that its bindings can be used when evaluating code in the debugger #784 https://github.com/pharo-spec/NewTools/pull/784 # VM - New harmonize rule #817 https://github.com/pharo-project/pharo-vm/pull/817 - Fixing warnings that are errors in newer versions of clang #813 https://github.com/pharo-project/pharo-vm/pull/813 - Adding an implementation of the aio.c using EPOLL in Linux. #805 https://github.com/pharo-project/pharo-vm/pull/805 - Ignoring EAGAIN in epoll_wait #818 https://github.com/pharo-project/pharo-vm/pull/818 # Features - Update roassal to v1.06f #16770 https://github.com/pharo-project/pharo/pull/16770 - Propose a DarkBlueTheme #16777 https://github.com/pharo-project/pharo/pull/16777 - Make setting pages less dense without comments for each setting #772 https://github.com/pharo-spec/NewTools/pull/772 # Fixes - test file dialogs returns the selected file #778 https://github.com/pharo-spec/NewTools/pull/778 - Revert "Use taskbar icon name for inspector and playground" #779 https://github.com/pharo-spec/NewTools/pull/779 - Fix issue when opening custom scope on calypso #783 https://github.com/pharo-spec/NewTools/pull/783 - Fix Open Playground menu item hanging the image #787 https://github.com/pharo-spec/NewTools/pull/787 - Add back old playground shortcut with deprecation #16788 https://github.com/pharo-project/pharo/pull/16788 - Remove (wrong) primitive usage #16780 https://github.com/pharo-project/pharo/pull/16780 - add missing accessor #1558 https://github.com/pharo-spec/Spec/pull/1558 - adding test to ensure it is possible to recompile code within a bloc with a dead home context twice #723 https://github.com/pharo-spec/NewTools/pull/723 # Refactoring Engine - Migrate Refactoring for Generating Equal and Hash Methods #16786 https://github.com/pharo-project/pharo/pull/16786 # Cleanup - Remove call to deprecated Author #83 https://github.com/pharo-vcs/libgit2-pharo-bindings/pull/83 - Remove deprecated classes and methods #758 https://github.com/pharo-spec/NewTools/pull/758 - Removing UIMnagaer dependencies from the debugger infrastructure #16015 https://github.com/pharo-project/pharo/pull/16015 - The debugger now delegate UI decisions to the backend provided by its application #667 https://github.com/pharo-spec/NewTools/pull/667 - Fix deprecated usage of StInspector #16769 https://github.com/pharo-project/pharo/pull/16769 - taskbarIcon moved to SystemWindow #16792 https://github.com/pharo-project/pharo/pull/16792 - Rename RBNode into ASTNode #16596 https://github.com/pharo-project/pharo/pull/16596

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Spec2 - Morph query & move window to another position
by Haroldo Stenger June 18, 2024

June 18, 2024

hi all there , I'm playing around with this example from the nice Spec book, which I try to get right for spec2. That's all right. I modify the example for having two counters, one bound to the class of the Surveys and then one for each survey. That was a good learning experience. Then I added a button to spawn further a Survey which participates of the class-bound count of votes. That's all right too. Then I started to write a method that given a Rectangle, and a number n, gives an array of n Points that are in the enclosed circle of the rectangle, more or less. Waht I want to achieve es that for each added Survey, its Spec2 - Morph window gets positioned in one of these points, but before rendering it, re position all the already existing Spec2 - Morphs Survey windows in the rest of the points of the array (being n the total number of Surveys after adding one). I'm facing two challenges: (a) getting the list of current positions of Spec2 - Morph Surveys already existing. (b) moving a Spec2 - Morph window to another position. I'm pretty stuck trying to make my way for this two goals, so any kind help will be really welcome. Yo can import the files into a Pharo12 image with the File manager, then Changelist Browser and selecting all the lines and "file in". thanks in advance ! Haroldo

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