--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/eswt_qt/com.nokia.swt.extensions/extensions/org/eclipse/swt/internal/extension/ConstrainedTextExtension.java	Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,167 @@
+package org.eclipse.swt.internal.extension;
+
+import org.eclipse.ercp.swt.mobile.ConstrainedText;
+import org.eclipse.ercp.swt.mobile.Internal_MobilePackageSupport;
+import org.eclipse.swt.SWTException;
+import org.eclipse.swt.internal.qt.OS;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Internal_PackageSupport;
+import org.eclipse.swt.widgets.Listener;
+
+/**
+ * An extension class to ConstrainedText.
+ * 
+ * <p>
+ * To listen to caret movement or selection change events, create listeners
+ * of type <code>SWTExtension.CaretMoved</code> or 
+ * <code>SWTExtension.ContentSelected</code>. 
+ * </p><p>
+ * Here is an example of using a <code>ConstrainedTextExtension</code> 
+ * with the extended listeners:
+ * <code><pre>
+ * ConstrainedTextExtension text = new ConstrainedTextExtension(shell, SWT.LEFT, ConstrainedText.DECIMAL);
+ * text.setText("123456789");
+ *      
+ * text.addListener(SWTExtension.CaretMoved, new Listener() {
+ *     public void handleEvent(Event event) {
+ *         System.out.println("Caret moved, new position "+event.x);
+ *     }});
+ *      
+ * text.addListener(SWTExtension.ContentSelected, new Listener() {
+ *     public void handleEvent(Event event) {
+ *         System.out.println("Selection changed, pos "+event.x+", len "+event.count);
+ *     }});
+ * </pre></code></p>
+ */
+public class ConstrainedTextExtension extends ConstrainedText {
+    
+public ConstrainedTextExtension(Composite parent, int style, int constrainedStyle) {
+    super(parent, style, constrainedStyle, true);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when an event of the given type occurs. When the
+ * event does occur in the widget, the listener is notified by
+ * sending it the <code>handleEvent()</code> message. The event
+ * type is one of the event constants defined in class <code>SWT</code>.
+ * 
+ * To listen to caret moved event, add a listener of type 
+ * <code>SWTExtension.CaretMoved</code>. New position of the caret is placed
+ * in <code>event.x</code>.
+ *
+ * To listen to content selection event, add a listener of type
+ * <code>SWTExtension.ContentSelected</code>. Index of the first selected 
+ * character is placed in <code>event.x</code>, number of selected characters 
+ * is placed in <code>event.count</code>.
+ *
+ * @param eventType the type of event to listen for
+ * @param listener the listener which should be notified when the event occurs
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see Listener
+ * @see SWTExtension
+ * @see Event
+ * @see #removeListener(int, Listener)
+ * @see #notifyListeners
+ */
+public void addListener(int eventType, Listener listener) {
+    super.addListener(eventType, listener);
+}
+
+/**
+ * Returns the number of lines.
+ *
+ * @return the number of lines in the widget
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public int getLineCount() {
+    checkWidget();
+    return 1;
+}
+
+/**
+ * Returns the height of a line.
+ *
+ * @return the height of a row of text
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public int getLineHeight () {
+    checkWidget();
+    return OS.QWidget_QFontMetrics_lineSpacing(Internal_PackageSupport.handle(this));
+}
+
+/**
+ * Gets the selected text, or an empty string if there is no current selection.
+ *
+ * @return the selected text
+ * 
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public String getSelectionText () {
+    return Internal_MobilePackageSupport.getSelectionText(this); 
+}
+
+/**
+ * Returns the zero-relative index of the line which is currently
+ * at the top of the receiver.
+ * <p>
+ * This index can change when lines are scrolled or new lines are added or removed.
+ * </p>
+ *
+ * @return the index of the top line
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public int getTopIndex () {
+    checkWidget ();
+    return 0;
+}
+
+/**
+ * Returns the top pixel.
+ * <p>
+ * The top pixel is the pixel position of the line
+ * that is currently at the top of the widget.  On
+ * some platforms, a text widget can be scrolled by
+ * pixels instead of lines so that a partial line
+ * is displayed at the top of the widget.
+ * </p><p>
+ * The top pixel changes when the widget is scrolled.
+ * The top pixel does not include the widget trimming.
+ * </p>
+ *
+ * @return the pixel position of the top line
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public int getTopPixel () {
+    checkWidget ();
+    return 0;
+}
+}