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| Re: How to set caretPosition in a Text on Linux [message #436496 is a reply to message #436479] |
Fri, 09 September 2005 14:58  |
 Grant Gayed
Messages: 2150
Registered: July 2009 |
Senior Member |
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Hi Sabina,
You're seeing an swt-gtk bug in 3.0.2 that is fixed in 3.1. So you can
either use 3.1 instead, or if this is not an option, you can use a
StyledText instead of a Text. StyledText offers a setCaretOffset(int) api.
Grant
"sabina" <sabinal@iol.it> wrote in message
news:373443b8d0f020c977e0613414b19656$1@www.eclipse.org...
> In my application I need to change user input in a text field and set
> caret position accordingly to the new entered text. I've written a sample
> that works fine on Eclipse 3.0.2 on Windows but doesn't in in Linux. (Text
> is changed but caret position is not where I expect, that is where I put
> it with setSelection(..) ). Can anyone help?
>
> Thank you in advance
> Sabina - Italy
>
> import org.eclipse.swt.SWT;
> import org.eclipse.swt.events.ModifyEvent;
> import org.eclipse.swt.events.ModifyListener;
> import org.eclipse.swt.events.VerifyEvent;
> import org.eclipse.swt.events.VerifyListener;
> import org.eclipse.swt.widgets.Display;
> import org.eclipse.swt.widgets.Shell;
> import org.eclipse.swt.widgets.Text;
>
> public class Tester {
>
> static boolean formatting = false;
> public static void main(String[] args) {
>
> Display display = new Display ();
> Shell shell = new Shell (display);
> final Text text = new Text (shell, SWT.BORDER );
> text.setBounds (10, 10, 100, 25);
> text.addVerifyListener(new VerifyListener() {
>
> public void verifyText(VerifyEvent e) {
> String s = e.text;
> System.out.println( text.getCaretPosition() +
> "-" + text.getCaretLocation().y +
> "-" + text.getCaretLocation().x );
> if(s.trim().equals("1")){
> formatting = true;
> text.setText("Change");
> text.setSelection(6,6);
> System.out.println( text.getCaretPosition() +
> "-" + text.getCaretLocation().y +
> "-" + text.getCaretLocation().x );
> formatting = false;
> e.doit = false;
> }
>
> }});
>
> text.addModifyListener( new ModifyListener() {
> public void modifyText(ModifyEvent e) {
> if (formatting)
> return;
> }
> });
> shell.open ();
> while (!shell.isDisposed ()) {
> if (!display.readAndDispatch ()) display.sleep ();
> }
> display.dispose ();
> }
> }
>
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