Fix textbox trails introduced with GIT commit 82b71e49

This resolves Bug 1408
(cherry picked from commit d10d2321a3)

src/iconview/qiconview.cpp

@@ -5770,11 +5770,11 @@ bool QIconView::eventFilter( QObject * o, QEvent * e )
 		if ( d->dragging ) {
 		    if ( !d->rubber )
 			drawDragShapes( d->oldDragPos );
-		}
-		bufferedPaintEvent( (QPaintEvent*)e );
-		if ( d->dragging ) {
+		    viewportPaintEvent( (QPaintEvent*)e );
 		    if ( !d->rubber )
 			drawDragShapes( d->oldDragPos );
+		} else {
+		    bufferedPaintEvent( (QPaintEvent*)e );
 		}
 	    }
 	    return TRUE;