The Java Developer's Guide to Eclipse

In Chapter 14, The Standard Widget Toolkit: A Lean Mean Widget Machine, you learned the fundamentals of SWT. This SWT widgets example demonstrates some commonly used widgets (Button, Composite, Display, FileDialog, Font, Group, List, ProgressBar, Shell, and StyledText) and their event listeners. It also demonstrates synchronization of UI and non-UI threads using the Display class. Also see the companion projects com.ibm.jdg2e.swt.layouts and com.ibm.jdg2e.swt.snippets (containing nearly 250 SWT examples).:

• The example is contained in an a view named SWT Example. The view and its location in the Show View dialog are shown below.
  

  

Running the Example

To run the example, make sure the project com.ibm.jdg2e.swt is in your workspace. From the Plug-in Development perspective, launch the run-time instance of Eclipse (Run > Run As > Eclipse Application) . Select Window > Show View > Other… Then, expand JDG2E and select SWT Example. The view should display. Double click on the view title bar so the view occupies the entire workbench window. In several cases, when you interact with the widgets in the view, information is displayed in the Console view of the launch instance of Eclipse.

Roadmap of the Example

• The Styled Text group presents a simple StyledText text widget with its own Font. A ModifyListener and ControlListener are associated with the widget. The font must follow widget disposal requirements.

• The List group populates an SWT List widget and illustrates the use of SWT style bits.

• The Thread Synchronization group illustrates the use of a ProgressBar widget and the use of the Display.sync and Display.async methods to control UI and non-UI thread interaction.

The example is contained in a single class in the com.ibm.jdg2e.swt package.

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