StyledTextVerifyListenerBackspaceDelete.java Source code

Introduction

Here is the source code for StyledTextVerifyListenerBackspaceDelete.java

Source

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.custom.VerifyKeyListener;
import org.eclipse.swt.events.VerifyEvent;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class StyledTextVerifyListenerBackspaceDelete {
    public static void main(String[] args) {
        final Display display = new Display();
        final Shell shell = new Shell(display);

        StyledText styledText = new StyledText(shell, SWT.V_SCROLL | SWT.BORDER);
        styledText.setText("12345");

        styledText.addVerifyKeyListener(new VerifyKeyListener() {

            public void verifyKey(VerifyEvent event) {
                System.out.println(event.character);
                event.doit = false;
                // Allow backspace and delete
                if (event.character == '\u0008' || event.character == '\u007F') {
                    event.doit = true;
                }
            }
        });

        styledText.setBounds(10, 10, 100, 100);
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                display.sleep();
            }
        }
        display.dispose();

    }
}