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Development/Tutorials/Qt4 Ruby Tutorial

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''Author:'' [mailto:qt-tutorial@darshancomputing.com Darshan Ishaya, qt-tutorial@darshancomputing.com]‎

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''Original link:''http://www.darshancomputing.com/qt4-qtruby-tutorial/‎

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== Qt®4 Tutorial for Ruby ==‎

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This tutorial gives an introduction to GUI programming using the [http://qt.nokia.com Qt toolkit], [http://www.ruby-lang.org Ruby], and [http://rubyforge.org/projects/korundum/ qt4-qtruby].‎

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It is simply a port of Nokia's fine [https://doc.qt.io/archives/4.2/tutorial.html Qt Tutorial].‎

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Therefore, most of the text after this paragraph comes straight from their tutorial. I have modified it as necessary to make it make sense with the Ruby bindings, and have rearranged or rewritten a few parts to make them (I hope) a bit clearer.‎

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This tutorial doesn't cover everything; the emphasis is on teaching the programming philosophy of GUI programming, and Qt's features are introduced as needed. Some commonly used features are never used in this tutorial.‎

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Chapter one starts with a minimal "Hello world" program and the following chapters introduce new concepts. By Chapter 14, the "Hello world" program from Chapter 1 will have turned into a 448-line game.‎

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If you're completely new to Qt, you might want to read [https://doc.qt.io/archives/qt-4.8/how-to-learn-qt.html How to Learn Qt] if you haven't already done so. Keep in mind that like most documents about Qt, it is very C++ oriented.‎

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==Table of Contents==‎

Hello World!‎

Calling it Quits‎

Family Values‎

Let There Be Widgets‎

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Building Blocks‎

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Building Blocks Galore!‎

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One Thing Leads to Another‎

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Preparing for Battle‎

With Cannon You Can‎

Smooth as Silk‎

Giving It a Shot‎

Hanging in the Air the Way Bricks Don't‎

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Game Over‎

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Facing the Wall‎

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This little game doesn't look much like a modern GUI application. It uses some GUI techniques, but after you've worked through it, I recommend checking out the [http://doc.qt.nokia.com/latest/mainwindows-application.html Application] example, which presents a small GUI application with menus, tool bars, a status bar, and so on. There are quite a few very educational [http://doc.qt.nokia.com/latest/all-examples.html Examples]. They are all written in C++, but are easy enough to follow since the point of them is to demonstrate usage of the Qt library, not C++ features.‎

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[[Category:Ruby]]‎

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