SWT添加鍵盤事件 .

 sendText.addKeyListener(new KeyListener(){
   public void keyPressed(KeyEvent e) {
    if(e.keyCode == SWT.CR){
     //讓按鍵原有的功能失效
     e.doit = false;
     //執行你本身的事件
     MessageBox box = new MessageBox(new Shell(), SWT.ICON_INFORMATION | SWT.OK);
        box.setText("提示信息");
        box.setMessage("按回車鍵了");
        box.open();
    }
   }
   public void keyReleased(KeyEvent e) {}
   });

 

 

package test.ftp00;

import java.net.InetSocketAddress;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class keyWindow {
    Display display;
    Shell shell;
    GridLayout gridLayout;
    GridData layoutData;
    Composite composite;
    Text sendText;
    Text mesText;
    DateFormat formatter = new SimpleDateFormat("HH:mm:ss");

    public keyWindow() {
        display = Display.getDefault();
        shell = new Shell(display);
        // 初始化shell
        initShell();

        layoutData = new GridData();
        layoutData.widthHint = 260;
        layoutData.heightHint = 200;
        mesText = new Text(shell, SWT.MULTI | SWT.WRAP | SWT.V_SCROLL
                | SWT.BORDER);
        mesText.setLayoutData(layoutData);

        layoutData = new GridData();
        layoutData.widthHint = 260;
        layoutData.heightHint = 60;
        sendText = new Text(shell, SWT.MULTI | SWT.WRAP | SWT.V_SCROLL
                | SWT.BORDER);
        sendText.setLayoutData(layoutData);
        sendText.setFocus();

        sendText.addKeyListener(new KeyListener() {
            public void keyPressed(KeyEvent e) {
                if (e.keyCode == SWT.CR) {
                    // 讓按鍵原有的功能失效
                    e.doit = false;
                    // 執行你本身的事件
//                  MessageBox box = new MessageBox(new Shell(),
//                          SWT.ICON_INFORMATION | SWT.OK);
//                  box.setText("提示信息");
//                  box.setMessage("按回車鍵了");
//                  box.open();
                    addString(sendText.getText());
                }
            }

            public void keyReleased(KeyEvent e) {
            }
        });
    }

    public void open() {
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                display.sleep();
            }
        }
    }

    /**
     * 設置窗口的標題、位置、大小、圖標
     *
     * @return Shell
     */
    public Shell initShell() {
        shell.setText("交談");
        shell.setSize(400, 350);
        shell.setLayout(new GridLayout());
        return shell;
    }

    /**
     * 向聊天區域添加信息
     *
     * @param msg
     */
    public void addString(String mes) {
        mesText.append(mes + SWT.LF);
    }

    public static void main(String[] args) {
        new keyWindow().open();
    }
}

完整示例

 

Color red = display.getSystemColor(SWT.COLOR_RED);
Font font = display.getSystemFont();
control.setFont(font)

 

Style	Description
SWT.WRAP	Wrap the text to fit the visible area
SWT.LEFT	Left-align the label
SWT.CENTER	Center-align the label
SWT.RIGHT	Right-align the label
SWT.SEPARATOR	Draw a separator instead of text or an p_w_picpath
SWT.HORIZONTAL	Draw the separator horizontally
SWT.VERTICAL	Draw the separator vertically
SWT.SHADOW_IN	Draw the separator with a "shadow in" effect
SWT.SHADOW_OUT`	Draw the separator

Separators

鍵盤事件類型

KeyEvent

KeyListener (and KeyAdapter)

keyPressed(KeyEvent) keyReleased(KeyEvent)