MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
QWidget *window= new QWidget;
window->setWindowTitle("My App");

ml = new WidgetMarqueeLabel(this);
ml->setTextFormat(Qt::RichText);
ml->setAlignment(Qt::AlignBottom);
ml->setText("this is a very long text, todays weathre is very hot");
ml->setFont(QFont("Arial", 20,20));

//label->setText("  ");
QGridLayout *layout= new QGridLayout;
video();

layout->addWidget(videoWidget,0,0);
layout->addWidget(videoWidget1,0,1);
layout->addWidget(ml,1,0,1,2);

//create a scene
QGraphicsScene* scene = new QGraphicsScene();
//create an item to put into the scene
QGraphicsRectItem* rect= new QGraphicsRectItem();
rect->setRect(0,0,100,100);
//add the item to the scene
scene->addItem(rect);

//add a view->portion of view is viewable
QGraphicsView* view = new QGraphicsView(scene);
view->show();
//window->setLayout(layout);
//window->show();

}