为文本框创建气球工具提示吗？

这是修改后的SWT代码段，显示了如何将气球工具提示添加到SWT

Text

下次，请考虑更具体地询问，我现在不这样做，如果您要查找的是..

import org.eclipse.swt.SWT;import org.eclipse.swt.events.FocusEvent;import org.eclipse.swt.events.FocusListener;import org.eclipse.swt.graphics.Point;import org.eclipse.swt.layout.RowLayout;import org.eclipse.swt.widgets.Display;import org.eclipse.swt.widgets.Shell;import org.eclipse.swt.widgets.Text;import org.eclipse.swt.widgets.ToolTip;public class TextFieldTooltip {    public static void main(String[] args) {        Display display = new Display();        Shell shell = new Shell(display);        shell.setLayout(new RowLayout(SWT.VERTICAL));        final ToolTip tip = new ToolTip(shell, SWT.BALLOON);        tip.setMessage("Here is a message for the user. When the message is too long it wraps. I should say something cool but nothing comes to my mind.");        Text tfTooltip = new Text(shell, SWT.BORDER);        tfTooltip.setText("sample text field");        tfTooltip.addFocusListener(new FocusListener() { @Override public void focusLost(FocusEvent e) {     tip.setVisible(false); } @Override public void focusGained(FocusEvent e) {     Text actionWidget = (Text) e.widget;     Point loc = actionWidget.toDisplay(actionWidget.getLocation());     tip.setLocation(loc.x + actionWidget.getSize().x - actionWidget.getBorderWidth(), loc.y);     tip.setVisible(true); }        });        Text tfNext = new Text(shell, SWT.BORDER);        tfNext.setText("TF without tooltip");        shell.setBounds(50, 50, 300, 200);        shell.open();        while (!shell.isDisposed()) { if (!display.readAndDispatch())     display.sleep();        }        display.dispose();    }}