--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_qt/src/javax/microedition/lcdui/ScrolledTextComposite.java	Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,160 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+package javax.microedition.lcdui;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Layout;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.widgets.ScrollBar;
+
+/**
+ * Composite control which is able to scroll text with a vertical scroll bar.
+ */
+class ScrolledTextComposite extends Composite {
+
+    private Label iESWTTextLabel;
+    private ScrollBar vBar;
+    private boolean resizing;
+    private boolean iTextScrolling;
+
+    /**
+     * Constructor.
+     */
+    public ScrolledTextComposite(Composite parent, ScrollBar vertBar) {
+        super(parent, 0);
+        vBar = vertBar;
+        vBar.setVisible(false);
+        vBar.setMaximum(0);
+        vBar.setThumb(0);
+        vBar.setSelection(0);
+
+        vBar.addListener(SWT.Selection, new Listener() {
+            public void handleEvent(Event e) {
+                vScroll();
+            }
+        });
+
+        addListener(SWT.Resize, new Listener() {
+            public void handleEvent(Event e) {
+                resize();
+            }
+        });
+
+        iESWTTextLabel = new Label(this, SWT.WRAP);
+        iESWTTextLabel.setLocation(0, 0);
+        layout();
+
+        iESWTTextLabel.addListener(SWT.Resize, new Listener() {
+            public void handleEvent(Event e) {
+                if (e.type == SWT.Resize) {
+                    resize();
+                }
+            }
+        });
+    }
+
+    public void setText(String aText) {
+        iESWTTextLabel.setText(aText);
+        iESWTTextLabel.setSize(calculateTextSize());
+    }
+
+    private Point calculateTextSize() {
+        iTextScrolling = false;
+        vBar.setVisible(false);
+        Point nextSize = iESWTTextLabel.computeSize(getClientArea().width,
+                                                    SWT.DEFAULT);
+        if (nextSize.y > getClientArea().height) {
+            iTextScrolling = true;
+            vBar.setVisible(true);
+            nextSize = iESWTTextLabel.computeSize(getClientArea().width,
+                                                  SWT.DEFAULT);
+        }
+        return nextSize;
+    }
+
+    /**
+     * Return if the text is scrolling. The vBar.isVisible() is not good,
+     * because it depends on parent's visibility.
+     */
+    public boolean isTextScrolling() {
+        return iTextScrolling;
+    }
+
+    public void setLayout(Layout layout) {
+        // do not allow a layout to be set
+    }
+
+    public void layout(boolean changed) {
+        iESWTTextLabel.setSize(calculateTextSize());
+
+        Rectangle contentRect = iESWTTextLabel.getBounds();
+        Rectangle hostRect = getClientArea();
+        vBar.setMaximum(contentRect.height);
+        vBar.setThumb(Math.min(contentRect.height, hostRect.height));
+        int vPage = contentRect.height - hostRect.height;
+        int vSelection = vBar.getSelection();
+        if (vSelection >= vPage) {
+            if (vPage <= 0) {
+                vSelection = 0;
+                vBar.setSelection(0);
+            }
+            contentRect.y = -vSelection;
+        }
+        iESWTTextLabel.setLocation(contentRect.x, contentRect.y);
+    }
+
+    public Point computeSize(int wHint, int hHint, boolean changed) {
+        Point size = iESWTTextLabel.computeSize(wHint, hHint, changed);
+        Rectangle trim = computeTrim(0, 0, size.x, size.y);
+        return new Point(trim.width, trim.height);
+    }
+
+    public Point getOrigin() {
+        Point location = iESWTTextLabel.getLocation();
+        return new Point(-location.x, -location.y);
+    }
+
+    public void setOrigin(Point origin) {
+        setOrigin(origin.x, origin.y);
+    }
+
+    public void setOrigin(int x, int y) {
+        if (iESWTTextLabel != null) {
+            vBar.setSelection(y);
+            iESWTTextLabel.setLocation(0, -vBar.getSelection());
+        }
+    }
+
+    private void resize() {
+        if (!resizing) {
+            resizing = true;
+            layout();
+            resizing = false;
+        }
+    }
+
+    private void vScroll() {
+        Point location = iESWTTextLabel.getLocation();
+        int vSelection = vBar.getSelection();
+        iESWTTextLabel.setLocation(location.x, -vSelection);
+    }
+}