window.cpp Example File
layouts/borderlayout/window.cpp

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 #include <QtGui>

 #include "borderlayout.h"
 #include "window.h"

 Window::Window()
 {
     QTextBrowser *centralWidget = new QTextBrowser;
     centralWidget->setPlainText(tr("Central widget"));

     BorderLayout *layout = new BorderLayout;
     layout->addWidget(centralWidget, BorderLayout::Center);
     layout->addWidget(createLabel("North"), BorderLayout::North);
     layout->addWidget(createLabel("West"), BorderLayout::West);
     layout->addWidget(createLabel("East 1"), BorderLayout::East);
     layout->addWidget(createLabel("East 2") , BorderLayout::East);
     layout->addWidget(createLabel("South"), BorderLayout::South);
     setLayout(layout);

     setWindowTitle(tr("Border Layout"));
 }

 QLabel *Window::createLabel(const QString &text)
 {
     QLabel *label = new QLabel(text);
     label->setFrameStyle(QFrame::Box | QFrame::Raised);
     return label;
 }