Attachment 190959 Details for Bug 339644 – sample code

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sample code

SimpleCanvas.java (text/x-java-source), 1.68 KB, created by yanghang

on 2011-03-11 02:42:03 EST

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Filename:

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Creator: yanghang

Created: 2011-03-11 02:42:03 EST

Size: 1.68 KB

patch

obsolete

>
>import org.eclipse.osgi.util.TextProcessor;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.events.*;
>import org.eclipse.swt.graphics.*;
>import org.eclipse.swt.layout.*;
>import org.eclipse.swt.widgets.*;
>
>/**
> * This class demonstrates a Canvas
> */
>public class SimpleCanvas {
>  /**
>   * Runs the application
>   */
>  public void run() {
>    Display display = new Display();
>    Shell shell = new Shell(display, SWT.DIALOG_TRIM|SWT.RIGHT_TO_LEFT);
>    
>    shell.setText("Canvas Example");
>    createContents(shell);
>    shell.open();
>    while (!shell.isDisposed()) {
>      if (!display.readAndDispatch()) {
>        display.sleep();
>      }
>    }
>    display.dispose();
>  }
>
>  /**
>   * Creates the main window's contents
>   * 
>   * @param shell the main window
>   */
>  private void createContents(Shell shell) {
>    shell.setLayout(new FillLayout());
>
>    // Create a canvas
>    Canvas canvas = new Canvas(shell, SWT.NONE);
>
> 
>
>    // Create a paint handler for the canvas
>    canvas.addPaintListener(new PaintListener() {
>      public void paintControl(PaintEvent e) {
>        // Do some drawing
>        Rectangle rect = ((Canvas) e.widget).getBounds();
>        e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_RED));
>        e.gc.drawFocus(5, 5, rect.width - 10, rect.height - 10);
>        e.gc.drawText("test ××§×××ª", 60, 60);
>      }
>    });
>    canvas.setToolTipText(TextProcessor.process("test ××§×××ª"));
>    //canvas.setToolTipText("test ××§×××ª");
>  }
>
>  /**
>   * The application entry point
>   * 
>   * @param args the command line arguments
>   */
>  public static void main(String[] args) {
>    new SimpleCanvas().run();
>  }
>}
>

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Attachments on bug 339644: 190958 | 190959