Re: copy paste

Daniele Futtorovic <>
Tue, 01 Mar 2011 19:02:45 +0100
On 01/03/2011 10:42, Roedy Green allegedly wrote:

On Mon, 28 Feb 2011 21:28:38 +0100, Daniele Futtorovic
<> wrote, quoted or indirectly
quoted someone who said :

You sure about that? I wouldn't be surprised if it weren't separate.


You can peek and poke the clipboard in AWT or Swing completely
independently of a JTextArea or JTextField.

The ctrl-C ctrl-V stuff happens without any code. It lets people
copy/paste text fragments to JTextAreas and JTextFields SO LONG AS
they are running as applications, not JApplets.

I've had a look at the copy/paste in JTextComponent. It eventually leads
to this method in javax.swing.TransferHandler:

         private Clipboard getClipboard(JComponent c) {
        if (SwingUtilities2.canAccessSystemClipboard()) {
        return c.getToolkit().getSystemClipboard();
        Clipboard clipboard = (Clipboard)sun.awt.AppContext.getAppContext().
        if (clipboard == null) {
        clipboard = new Clipboard("Sandboxed Component Clipboard");
        return clipboard;

When you say you can't cut'n paste, do you mean within the Applet or
from the Applet to the outside and vice-versa?

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