swt中用什么做类似qq聊天框解决思路

swt中用什么做类似qq聊天框解决思路 swt中用什么做类似qq聊天框 swt中用什么做类似qq聊天框(中间可以输入文字和图片，并可以粘贴复制)，求给思路或源码。本人邮箱:472852263@qq.com～别说lumaQQ有这个，我看过了，没找到。。最好是自己理解的。。。万分感谢～～ ------解决-------------------------------------------------------- swing实现的三个类:JTextPane StyledDocument ImageIcon 理解下面代码(可直接执行)，是告诉如何显示多媒体文本和图片的 Java code import java.awt.BorderLayout; import java.awt.Cursor; import java.awt.Dimension; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.Insets; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.BorderFactory; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextPane; import javax.swing.SwingUtilities; import javax.swing.UIManager; import javax.swing.text.BadLocationException; import javax.swing.text.Style; import javax.swing.text.StyleConstants; import javax.swing.text.StyleContext; import javax.swing.text.StyledDocument; public class Demo extends JPanel implements ActionListener { private String newline = \n ; protected JLabel actionLabel; public Demo() { setLayout(new BorderLayout()); //Create a label to put messages during an action event. actionLabel = new JLabel( Type text in a field and press Enter. ); actionLabel.setBorder(BorderFactory.createEmptyBorder(10,0,0,0)); //Lay out the text controls and the labels. JPanel textControlsPane = new JPanel(); GridBagLayout gridbag = new GridBagLayout(); GridBagConstraints c = new GridBagConstraints(); textControlsPane.setLayout(gridbag); c.gridwidth = GridBagConstraints.REMAINDER; //last c.anchor = GridBagConstraints.WEST; c.weightx = 1.0; textControlsPane.add(actionLabel, c); textControlsPane.setBorder( BorderFactory.createCompoundBorder( BorderFactory.createTitledBorder( Text Fields ), BorderFactory.createEmptyBorder(5,5,5,5))); //Create a text pane. JTextPane textPane = createTextPane(); JScrollPane paneScrollPane = new JScrollPane(textPane); paneScrollPane.setVerticalScrollBarPolicy( JScrollPane.VERTICAL_SCROLLBAR_ALWAYS); paneScrollPane.setPreferredSize(new Dimension(250, 155)); paneScrollPane.setMinimumSize(new Dimension(10, 10)); //Put everything together. add(paneScrollPane, BorderLayout.LINE_END); } public void actionPerformed(ActionEvent e) { } private JTextPane createTextPane() { String[] initString = { This is an editable JTextPane, , //regular another , //italic styled , //bold text , //small component, , //large which supports embedded components... + newline,//regular + newline, //button ...and embedded icons... + newline, //regular , //icon newline + JTextPane is a subclass of JEditorPane that + uses a StyledEditorKit and StyledDocument, and provides + cover methods for interacting with those objects. }; String[] initStyles = { regular , italic , bold , small , large , regular , button , regular , icon , regular }; JTextPane textPane = new JTextPane(); StyledDocument doc = textPane.getStyledDocument(); addStylesToDocument(doc); try { for (int i=0; i initString.length; i++) { doc.insertString(doc.getLength(), initString[i], doc.getStyle(initStyles[i])); } } catch (BadLocationException ble) { System.err.println( Couldn't insert initial text into text pane. ); } return textPane; } protected void addStylesToDocument(StyledDocument doc) { //Initialize some styles. Style def = StyleContext.getDefaultStyleContext(). getStyle(StyleContext.DEFAULT_STYLE); Style regular = doc.addStyle( regular , def); StyleConstants.setFontFamily(def, SansSerif ); Style s = doc.addStyle( italic , regular); StyleConstants.setItalic(s, true); s = doc.addStyle( bold , regular); StyleConstants.setBold(s, true); s = doc.addStyle( small , regular); StyleConstants.setFontSize(s, 10); s = doc.addStyle( large , regular); StyleConstants.setFontSize(s, 16); s = doc.addStyle( icon , regular); StyleConstants.setAlignment(s, StyleConstants.ALIGN_CENTER); ImageIcon pigIcon = createImageIcon( images/Pig.gif , a cute pig ); if (pigIcon != null) { StyleConstants.setIcon(s, pigIcon); } s = doc.addStyle( button , regular); StyleConstants.setAlignment(s, StyleConstants.ALIGN_CENTER); ImageIcon soundIcon = createImageIcon( images/sound.gif , sound icon ); JButton button = new JButton(); if (soundIcon != null) { button.setIcon(soundIcon); } else { button.setText( BEEP ); } button.setCursor(Cursor.getDefaultCursor()); button.setMargin(new Insets(0,0,0,0)); button.addActionListener(this); StyleConstants.setComponent(s, button); } /** Returns an ImageIcon, or null if the path was invalid. */ protected static ImageIcon createImageIcon(String path, String description) { java.net.URL imgURL = Demo.class.getResource(path); if (imgURL != null) { return new ImageIcon(imgURL, description); } else { System.err.println( Couldn't find file: + path); return null; } } /** * Create the GUI and show it. For thread safety, * this method should be invoked from the * event dispatch thread. */ private static void createAndShowGUI() { //Create and set up the window. JFrame frame = new JFrame( TextSamplerDemo ); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //Add content to the window. frame.add(new Demo()); //Display the window. frame.pack(); frame.setVisible(true); } public static void main(String[] args) { //Schedule a job for the event dispatching thread: //creating and showing this application's GUI. SwingUtilities.invokeLater(new Runnable() { public void run() { //Turn off metal's use of bold fonts UIManager.put( swing.boldMetal , Boolean.FALSE); createAndShowGUI(); } }); } }