HighlightOddLine.java Source code

Introduction

Here is the source code for HighlightOddLine.java

Source

/******************************************************************************
 * All Right Reserved. 
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * 
 * Created on Feb 22, 2004 1:29:05 AM by JACK
 * $Id$
 * 
 *****************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.LineBackgroundEvent;
import org.eclipse.swt.custom.LineBackgroundListener;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class HighlightOddLine {
    Display display = new Display();
    Shell shell = new Shell(display);

    StyledText styledText;

    public HighlightOddLine() {
        shell.setLayout(new GridLayout());

        styledText = new StyledText(shell, SWT.MULTI | SWT.WRAP | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
        styledText.setLayoutData(new GridData(GridData.FILL_BOTH));

        styledText.addLineBackgroundListener(new LineBackgroundListener() {
            public void lineGetBackground(LineBackgroundEvent event) {
                if (styledText.getLineAtOffset(event.lineOffset) % 2 == 1)
                    event.lineBackground = shell.getDisplay().getSystemColor(SWT.COLOR_YELLOW);
            }
        });

        styledText.setText("Line 0\r\nLine 1\r\nLine 2\r\nLine 3\r\nLine 4\r\nLine 5\r\nLine 6");

        shell.setSize(300, 150);
        shell.open();
        //textUser.forceFocus();

        // Set up the event loop.
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                // If no more entries in event queue
                display.sleep();
            }
        }

        display.dispose();
    }

    private void init() {

    }

    public static void main(String[] args) {
        new HighlightOddLine();
    }
}