TextField Example 5 : Text « SWT JFace Eclipse « Java

TextField Example 5

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.FocusListener;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class TextFieldExample5 {
  Display d;

  Shell s;

  TextFieldExample5() {
    d = new Display();
    s = new Shell(d);
    s.setSize(250, 250);
    s.setText("A Text Field Example");
    final Text text1 = new Text(s, SWT.WRAP | SWT.BORDER);
    text1.setBounds(100, 50, 100, 20);
    text1.setTextLimit(5);
    text1.setEchoChar('*');
    final Text text2 = new Text(s, SWT.SINGLE | SWT.BORDER);
    text2.setBounds(100, 75, 100, 20);
    text2.setTextLimit(30);

    // add a focus listener
    FocusListener focusListener = new FocusListener() {
      public void focusGained(FocusEvent e) {
      }

      public void focusLost(FocusEvent e) {
        Text t = (Text) e.widget;
        if (t == text2) {
          if (t.getText().length() < 3) {
            t.setFocus();
          }
        }
      }
    };
    text1.addFocusListener(focusListener);
    text2.addFocusListener(focusListener);
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }

  public static void main(String[] arg) {
    new TextFieldExample5();
  }

}

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TextField Example 5 : Text « SWT JFace Eclipse « Java

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