links to this page:

• Here are answers to questions that frequently arise on the Squeak Mailing Lists and elsewhere. (FAQ means "Frequently Asked Questions")
• If you don't find your answer here, please see What if I don't find my answer on the Squeak FAQ?
• If you want to add a question and answer to this FAQ:
  • Add the question in the correct section below and link to a new page named 'Short Description of the Topic' or link to an existing page.
  • Structure the page like this Example

Introduction

• What is Smalltalk? What is Squeak?
• What is cool about Squeak?
• Where can I download Squeak?
  • Download for Unix
    • Squeak for Debian Users
• How do I install Squeak for Mac?
• How do I install Squeak for Windows?
• What are Squeak's limits and requirements?
• What graphic and sound features does Squeak have?
• What printing features does Squeak have?
• What are the Squeak license conditions?
• How to get from Java or C++ or your favorite OO IDE to Squeak
• How do I investigate the Squeak system?

The Squeak Community

• Is there a Squeak mailing list I can join?
• Is there a mailing list archive?
• How do I get off the Squeak mailing list?
• How do I submit a bug report, bug fix or enhancement for Squeak?
• How can I be a Squeak alpha tester?
• How can I join the Documentation Team?

Documentation

• Are there free Smalltalk books I can download?
• Is there a comprehensive documentation table of contents?
• How do I find code that does this or that in Squeak?
• How do I find examples of using a class ?

Threading

• Does Squeak use green threads or native threads?
• Are Squeak threads preemptive?
• How do I synchronize threads with locks, queues, etc.?
• Why are my equal-priority threads being preempted?

Misc. Programming with Squeak Questions

• Where can I find a Squeak language definition? - A Squeak Language and Classes Reference?
• How do I distribute a program that I've written in Squeak? How to lockdown an image for release
• Why shouldn't I create an executable? Okay, okay. But how can I make an executable?
• How can I make my application start when Squeak starts?
• Can I run scripts without the Graphical User Interface?
• How do I prepare my application for distribution?
• What are "goodies", "changesets" and "file-ins" and how do I deal with them?
• How do I deal with changesets?
• How do I use the emergency evaluator?
• How do I exchange code between the different dialects of Smalltalk?
• How do I write code in Squeak?
• Can I set breakpoints or watch conditions in Squeak?
• How do I find all classes with a certain protocol?
• How do I copy a class?
• Class Extensions
• How can I create separate fileouts for different projects I have in my image?
• What is the precise syntax for fileIn/fileOut code format?
• How can I get a complete class-hierarchy list?
• Where is the class InterpreterProxy? I want to build primitives in Squeak.
• Which method sends are inlined directly by the compiler?
• What's the difference between the various Copy methods?
• How do I get all classes in a category?
• How can I show the number of all the instances of all classes in a category?
• Reflecting on Source Code or how do I count all lines of code in an image?
• What's the convention for referring to selectors in messages?
• How to fetch system variables
• How do you do something every so often?
• How to get the class object if the name is given as a string
• What do the various file extensions mean?

Programming with Morphic

• Morphic sounds really cool! How can I learn more about it?
• How do you draw a line in Morphic?
• How do I delete a Morph ?
• How do I find the owner of a Morph?
• How do I use drag and drop in Morphic?
• How do I prompt the user for input?
• How do I access a Morph from a Workspace?
• How can I generate an entry field in Morphic?
• How do I create a basic GUI for something like a data-entry application, a la WindowBuilder, Visual Basic, etc.?
• How do I convert a graphic image from or to .bmp, .gif, .jpeg, or .jpg?
• What is the difference between SketchMorph and ImageMorph?
• How Morphic processes events
• How to set a morph's heading
• How does Morphic damage management work?
• Instantiating Morphs
• How to bind a workspace in a bookmorph
• How to program with Balloon3D
• How can I change the color of a window?

The Squeak User Interface

• Why does Squeak look so different?
• What's all this about "red", "yellow", and "blue" buttons?
• How can I swap the yellow and blue (middle and right) mouse buttons?
• How do I change or add keyboard shortcuts?
• What are the "command", "cmd", and "option" modifiers?
• How can I search-and-replace?
• How can I change or resize fonts?
• How can I change the color of the system cursor?
• How can I give my Morphic world a wallpaper?
• How do I change the default color of a browser, file list, or..?
• Is there an autocompletion feature?
• How to I dump the screen to a GIF file?
• How can I customize the User Interface of Squeak?
• How can I simplify a Morphic World to be easier for a Squeak newbie? For instance, I'd like to disable the halos.
• How can Squeak run headless (without the Graphical User Interface)?
• What are "Models", "Views", and "Controllers" in the MVC framework?
• How can you transmit answers from one window to another?
• How to develop GUI applications in Squeak
• How to make user text translatable

Networking

• How do I configure Squeak if I am behind a firewall?
• How do I find out the IP address(es) of my machine?
• I'm behind a Firewall. How can I configure Squeak?
• Can Squeak speak SNMP?
• Squeak, networks and examples
• Authentication and Encryption in Squeak
• How to debug socket use

Troubleshooting

• After downloading a new copy of Squeak, the program source seems corrupted. When using a Browser, several characters are chopped off of the beginning of each method. What can I do?
• The Windows VM refuses to read my old image from Unix! What can I do?
• How can I interrupt execution?
• What do I do when Squeak crashes or freezes?
• My browser is all screwed up! What should I do?
• I've put Squeak into full-screen mode, how do I get it back?
• Windows XP: When I use Squeak my keyboard layout changes randomly! What is going on?
• How to find known bugs
• How to view the stack of invoked methods

Advanced and Miscellaneous Topics

• Speed
  • How fast is Squeak?
  • What parts of Squeak are fast...and slow?
  • How can I speed Squeak up?
• How stable is Squeak?
• How do you bootstrap a Squeak Image?
• How small...and large...may a Squeak image be?
• How can I update my Squeak image on a computer with no Internet access?
• How can I assign more memory to the VM?
• How to create plugins (Interfaces to non-Squeak code)
• How do I build a plugin on the Mac?
• Where to find state machine "Design Patterns" in Squeak?
• How do I find out more about Design Patterns?
• How can Squeak deal with text files on machines other than Macs?
• How do I invoke a full garbage Collection?
• How do updates to Squeak get created?
• How do I programmatically create a block from a string?
• What Squeak code deals with RDF and XML?
• How to work with GIF files in Squeak
• Abstract Classes

See also

• other FAQs
  • Magma FAQs
  • Dave Smith's Smalltalk FAQ [Archived] (Restored FAQ)
  • The Swiki FAQ on the Swiki Swiki
• New Squeaker questions
• Practical wizardry

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