SWT Multiline TreeViewer with centered image (Limitation : https://bugs.eclipse.org/bugs/show_bug.cgi?id=154341)

Multiline-TreeViewer.java

tree.addListener(SWT.MeasureItem, paintListener);
tree.addListener(SWT.PaintItem, paintListener);
tree.addListener(SWT.EraseItem, paintListener);

Listener paintListener = new Listener() {
		@Override
		public void handleEvent(Event event) {
			switch(event.type) {
				case SWT.MeasureItem: {
					TreeItem item = (TreeItem)event.item;
					String text = item.getText(event.index);
					Point size = event.gc.textExtent(text);
					Image img = item.getImage(event.index);
					Rectangle rect = img.getBounds();
					event.width += rect.width;
					event.height = size.y;
					break;
				}
				case SWT.PaintItem: {
					TreeItem item = (TreeItem)event.item;
					
					Image img = item.getImage(event.index);
					Rectangle rect = img.getBounds();
					int offsetImg = Math.max(0, (event.height - rect.height) / 2);

					String text = item.getText(event.index);
					Point sizeTx = event.gc.textExtent(text);
					int offsetTx = Math.max(0, (event.height - sizeTx.y) / 2);
					event.gc.drawImage(img, event.x, event.y + offsetImg);
					event.gc.drawText(text, event.x + rect.width + 5, event.y + offsetTx, true);
					break;
				}
				case SWT.EraseItem: {
					event.detail &= ~SWT.FOREGROUND;
					break;
				}
			}
		}
};