[Qt-interest] QVBoxLayout whats wrong in this

[Sujan Dasmahapatra]

#include <QApplication>

#include <QWidget>

#include <QPushButton>

#include <QVBoxLayout>

#include <QPalette>

int main(int argc, char **argv)

{

        QApplication app(argc,argv);

        QWidget *widget = new QWidget;

        widget->resize(500,300);

 

        QPalette r(widget->palette());

        r.setColor(QPalette::Background, Qt::red);

        widget->setPalette(r);

 

 

        QWidget *w1 = new QWidget(widget);

        w1->resize(300,150);

        QPalette p(w1->palette());

        p.setColor(QPalette::Background, Qt::green);

        w1->setPalette(p);

 

        QWidget *w2 = new QWidget(widget);

        w2->resize(300,150);

        QPalette q(w2->palette());

        q.setColor(QPalette::Background, Qt::blue);

        w2->setPalette(q);

 

        QVBoxLayout *layout = new QVBoxLayout;

        layout->addWidget(w1);

        layout->addWidget(w2);

 

        widget->setLayout(layout);

 

        widget->show();

 

        return app.exec();

}

 

I  am not able to see the distinguished two colored widgets.

 

 

Kind Regards,

 

 

Sujan Dasmahapatra
Project Leader, Aero Group
Aero Group

Tel    +91 80 66470248
Mob  

sdh at lmwindpower.com <mailto:%25EMAIL%25> 

 

LM Wind Power Blades

lmwindpower.com

 

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