Development/Tutorials/Qt4 Ruby Tutorial/Chapter 01 - Revision history

AnneW at 12:30, 13 July 2012

2012-07-13T12:30:07Z

AnneW: Marked this version for translation

2011-07-02T15:20:03Z

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Aspotashev: update translate tags

2011-07-02T15:18:29Z

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AnneW: Marked this version for translation

2011-07-02T14:47:21Z

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Aspotashev: remove link to files from translation

2011-07-01T23:31:03Z

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Aspotashev: better translate tags

2011-07-01T22:30:47Z

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Aspotashev: add translate tags

2011-07-01T22:19:59Z

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Neverendingo: Text replace - "" to ""

2011-06-29T20:54:59Z

Text replace - "</code>" to "</syntaxhighlight>"

Neverendingo: Text replace - "`" to ""`


2011-06-29T20:36:44Z
Text replace - "<code ruby>" to "<syntaxhighlight lang="ruby">"

				
				
				
				
			
			← Older revision
			Revision as of 20:36, 29 June 2011
			
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  === Line by Line Walkthrough ===   === Line by Line Walkthrough ===
    
− <code ruby> + <syntaxhighlight lang="ruby">
  require 'Qt4'   require 'Qt4'
  </code>   </code>
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  This line loads the QtRuby extension.   This line loads the QtRuby extension.
    
− <code ruby> + <syntaxhighlight lang="ruby">
  app = Qt::Application.new(ARGV)   app = Qt::Application.new(ARGV)
  </code>   </code>
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  <strong>Note:</strong> It is essential that the [http://doc.qt.nokia.com/latest/qapplication.html Qt::Application] object be created before any window-system parts of Qt are used.   <strong>Note:</strong> It is essential that the [http://doc.qt.nokia.com/latest/qapplication.html Qt::Application] object be created before any window-system parts of Qt are used.
    
− <code ruby> + <syntaxhighlight lang="ruby">
  hello = Qt::PushButton.new('Hello World!')   hello = Qt::PushButton.new('Hello World!')
  </code>   </code>
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  the button will be a window of its own, with its own window frame and title bar.   the button will be a window of its own, with its own window frame and title bar.
    
− <code ruby> + <syntaxhighlight lang="ruby">
  hello.resize(100, 30)   hello.resize(100, 30)
  </code>   </code>
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  but instead we let the windowing system choose a position.   but instead we let the windowing system choose a position.
    
− <code ruby> + <syntaxhighlight lang="ruby">
  hello.show()   hello.show()
  </code>   </code>
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  A widget is never visible when you create it. You must call [http://doc.qt.nokia.com/latest/qwidget.html#show Qt::Widget::show()] to make it visible.   A widget is never visible when you create it. You must call [http://doc.qt.nokia.com/latest/qwidget.html#show Qt::Widget::show()] to make it visible.
    
− <code ruby> + <syntaxhighlight lang="ruby">
  app.exec()   app.exec()
  </code>   </code>



M.agostinelli: /* Translate to new syntax highlighting */
2011-06-27T17:40:48Z
‎Translate to new syntax highlighting

				
				
				
				
			
			← Older revision
			Revision as of 17:40, 27 June 2011
			
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  Here's the complete source code for the application:   Here's the complete source code for the application:
    
− <code ruby> + <syntaxhighlight lang="ruby">
  require 'Qt4'   require 'Qt4'
    
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  app.exec()   app.exec()
− </code> + </syntaxhighlight>
    
  === Intro ===   === Intro ===

← Older revision		Revision as of 12:30, 13 July 2012
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	<languages />		<languages />
−
−	~~{{Template:I18n/Language Navigation Bar\|Development/Tutorials/Qt4 Ruby Tutorial/Chapter 01}}~~

	{{<translate><!--T:1-->		{{<translate><!--T:1-->

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 <translate>
 Files:
 </translate>
 <translate>

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 {{Template:I18n/Language Navigation Bar|Development/Tutorials/Qt4 Ruby Tutorial/Chapter 01}}
-<translate>
+{{<translate>TutorialBrowser</translate>|
-{{TutorialBrowser|
+series=[[Special:myLanguage/Development/Tutorials/Qt4_Ruby_Tutorial|<translate>Qt4 Ruby Tutorial</translate>]]|
-series=[[Development/Tutorials/Qt4_Ruby_Tutorial|Qt4 Ruby Tutorial]]|
+name=<translate>Hello World!</translate>|
-name=Hello World!|
+pre=<translate>[http://www.ruby-lang.org Ruby]</translate>|
-pre=[http://www.ruby-lang.org Ruby]|
+next=[[Special:myLanguage/Development/Tutorials/Qt4_Ruby_Tutorial/Chapter_2|<translate>Tutorial 2 - Calling it Quits</translate>]]
 next=[[Development/Tutorials/Qt4_Ruby_Tutorial/Chapter_2|Tutorial 2 - Calling it Quits]]
 }}
 <translate>

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 {{Template:I18n/Language Navigation Bar|Development/Tutorials/Qt4 Ruby Tutorial/Chapter 01}}
 {{TutorialBrowser|
 series=[[Development/Tutorials/Qt4_Ruby_Tutorial|Qt4 Ruby Tutorial]]|
 name=Hello World!|
 pre=[http://www.ruby-lang.org Ruby]|
 next=[[Development/Tutorials/Qt4_Ruby_Tutorial/Chapter_2|Tutorial 2 - Calling it Quits]]
 }}
 == Hello World! ==
 [[Image:Qt4_Ruby_Tutorial_Screenshot_1.png|center]]
 Files:
 * [http://www.darshancomputing.com/qt4-qtruby-tutorial/tutorial/t1/t1.rb t1.rb]
 === Overview ===
@@ Line 23: / Line 32: @@
 Here's the complete source code for the application:
 <syntaxhighlight lang="ruby">
 require 'Qt4'
@@ Line 34: / Line 45: @@
 app.exec()
 </syntaxhighlight>
 === Intro ===
@@ Line 50: / Line 63: @@
 many minor properties of it (such as color), as well as the widget's content.
 A [http://doc.qt.nokia.com/latest/qpushbutton.html Qt::PushButton] can show either text or a [http://doc.qt.nokia.com/latest/qicon.html Qt::Icon].
 === Line by Line Walkthrough ===
 <syntaxhighlight lang="ruby">
@@ Line 57: / Line 73: @@
 </syntaxhighlight>
 This line loads the QtRuby extension.
 <syntaxhighlight lang="ruby">
@@ Line 63: / Line 81: @@
 </syntaxhighlight>
 '''<tt>app</tt>''' is this program's [http://doc.qt.nokia.com/latest/qapplication.html Qt::Application] instance. It is created here.
 We pass '''<tt>ARGV</tt>''' to the [http://doc.qt.nokia.com/latest/qapplication.html Qt::Application] constructor
@@ Line 69: / Line 88: @@
 <strong>Note:</strong> It is essential that the [http://doc.qt.nokia.com/latest/qapplication.html Qt::Application] object be created before any window-system parts of Qt are used.
 <syntaxhighlight lang="ruby">
 hello = Qt::PushButton.new('Hello World!')
 </syntaxhighlight>
 Here, after the [http://doc.qt.nokia.com/latest/qapplication.html Qt::Application], comes the first window-system code: A push button is created.
@@ Line 80: / Line 103: @@
 [http://doc.qt.nokia.com/latest/qpushbutton.html Qt::PushButton] constructor),
 the button will be a window of its own, with its own window frame and title bar.
 <syntaxhighlight lang="ruby">
@@ Line 85: / Line 109: @@
 </syntaxhighlight>
 The button is set up to be 100 pixels wide and 30 pixels high
 (excluding the window frame, which is provided by the windowing system).
 We could call [http://doc.qt.nokia.com/latest/qwidget.html#pos-prop Qt::Widget::move()] to assign a specific screen position to the widget,
 but instead we let the windowing system choose a position.
 <syntaxhighlight lang="ruby">
@@ Line 94: / Line 120: @@
 </syntaxhighlight>
 A widget is never visible when you create it. You must call [http://doc.qt.nokia.com/latest/qwidget.html#show Qt::Widget::show()] to make it visible.
 <syntaxhighlight lang="ruby">
@@ Line 100: / Line 128: @@
 </syntaxhighlight>
 This is where our program passes control to Qt.
 [http://doc.qt.nokia.com/latest/qcoreapplication.html#exec Qt::CoreApplication::exec()] will return when the application exits.
@@ Line 108: / Line 137: @@
 You should now try to run this program.
 === Running the Application ===
@@ Line 119: / Line 150: @@
 [[Category:Ruby]]