#ifndef FOO_BARDIALOG_H
#define FOO_BARDIALOG_H

#include <QDialog>

namespace Foo
{

class BarDialogPrivate;

/**
 * @todo write docs
 */
class BarDialog : public QDialog
{
    Q_OBJECT

public:
    /**
     * Default constructor
     */
    BarDialog();

private:
    BarDialogPrivate* const d_ptr;
    Q_DECLARE_PRIVATE ( BarDialog )
};

}

#endif // FOO_BARDIALOG_H

#ifndef FOO_BARDIALOG_P_H
#define FOO_BARDIALOG_P_H

#include "ui_bardialog.h"

namespace Foo
{

/**
 * @todo write docs
 */
class BarDialogPrivate
{
public:

    Ui::BarDialog ui;
};

}

#endif // FOO_BARDIALOG_P_H

#include "bardialog.h"
#include "bardialog_p.h"

using namespace Foo;

BarDialog::BarDialog()
    : d_ptr(new BarDialogPrivate())
{
    d_ptr->ui.setupUi(this);
}

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>BarDialog</class>
 <widget class="QDialog" name="BarDialog">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>520</width>
    <height>300</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>My empty dialog</string>
  </property>
  <layout class="QVBoxLayout" name="verticalLayout" stretch="1,0">
   <item>
    <spacer name="verticalSpacer">
     <property name="orientation">
      <enum>Qt::Vertical</enum>
     </property>
    </spacer>
   </item>
   <item>
    <widget class="QDialogButtonBox" name="buttonBox">
     <property name="orientation">
      <enum>Qt::Horizontal</enum>
     </property>
     <property name="standardButtons">
      <set>QDialogButtonBox::Close</set>
     </property>
    </widget>
   </item>
  </layout>
 </widget>
 <resources/>
 <connections>
  <connection>
   <sender>buttonBox</sender>
   <signal>rejected()</signal>
   <receiver>BarDialog</receiver>
   <slot>reject()</slot>
  </connection>
 </connections>
</ui>