Text: addHelpListener(HelpListener lis) : Text « org.eclipse.swt.widgets « Java by API






  1. Java by API
  2. org.eclipse.swt.widgets
  3. Text

Text: addHelpListener(HelpListener lis)


import org.eclipse.swt.SWT;
import org.eclipse.swt.events.HelpEvent;
import org.eclipse.swt.events.HelpListener;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class MainClass {

  public static void main(String[] a) {
    Display display = new Display();

    // Create the main window
    Shell shell = new Shell(display);

    Text fahrenheit = new Text(shell, SWT.BORDER);
    fahrenheit.setData("Type a temperature in Fahrenheit");
    fahrenheit.setBounds(20,20,100,20);
    
    fahrenheit.addHelpListener(new HelpListener(){
      public void helpRequested(HelpEvent event) {
        System.out.println((String) event.widget.getData());
      }
     
    });
    
    shell.open();

    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}








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12.Text: addFocusListener(FocusListener lis)
13.Text: addKeyListener(KeyListener lis)
14.Text: addModifyListener(ModifyListener lis)
15.Text: addVerifyListener(VerifyListener lis)
16.Text: clearSelection()
17.Text: getSelectionCount()
18.Text: selectAll()
19.Text: setData(Object data)
20.Text: setEchoChar(char ch)
21.Text: setFocus()
22.Text: setFont(Font f)
23.Text: setLayoutData(Object layoutData)
24.Text: setText(String value)
25.Text: setTextLimit(int num)