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# AddressBar.cpp Example File
demos/embedded/anomaly/src/AddressBar.cpp

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     ** Alternatively, this file may be used under the terms of the GNU Lesser
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     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License version 3.0 as published by the Free Software
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     #include "AddressBar.h"

     #include <QtCore>
     #include <QtGui>

     class LineEdit: public QLineEdit
     {
     public:
         LineEdit(QWidget *parent = 0): QLineEdit(parent) {}

         void paintEvent(QPaintEvent *event) {
             QLineEdit::paintEvent(event);
             if (text().isEmpty()) {
                 QPainter p(this);
                 int flags = Qt::AlignLeft | Qt::AlignVCenter;
                 p.setPen(palette().color(QPalette::Disabled, QPalette::Text));
                 p.drawText(rect().adjusted(10, 0, 0, 0), flags, "Enter address or search terms");
                 p.end();
             }
         }
     };

     AddressBar::AddressBar(QWidget *parent)
         : QWidget(parent)
     {
         m_lineEdit = new LineEdit(parent);
         connect(m_lineEdit, SIGNAL(returnPressed()), SLOT(processAddress()));
         m_toolButton = new QToolButton(parent);
         m_toolButton->setText("Go");
         connect(m_toolButton, SIGNAL(clicked()), SLOT(processAddress()));
     }

     QSize AddressBar::sizeHint() const
     {
         return m_lineEdit->sizeHint();
     }

     void AddressBar::processAddress()
     {
         if (!m_lineEdit->text().isEmpty())
             emit addressEntered(m_lineEdit->text());
     }

     void AddressBar::resizeEvent(QResizeEvent *event)
     {
         int x, y, w, h;

         m_toolButton->adjustSize();
         x = width() - m_toolButton->width();
         y = 0;
         w = m_toolButton->width();
         h = height() - 1;
         m_toolButton->setGeometry(x, y, w, h);
         m_toolButton->show();

         x = 0;
         y = 0;
         w = width() - m_toolButton->width();
         h = height() - 1;
         m_lineEdit->setGeometry(x, y, w, h);
         m_lineEdit->show();
     }

     void AddressBar::focusInEvent(QFocusEvent *event)
     {
         m_lineEdit->setFocus();
         QWidget::focusInEvent(event);
     }