Qt 4.8: AddressBar.cpp Example File (demos/embedded/anomaly/src/AddressBar.cpp)

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# AddressBar.cpp Example File

demos/embedded/anomaly/src/AddressBar.cpp

     /****************************************************************************
     **
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     ** Contact: http://www.qt-project.org/legal
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     ** This file is part of the demos of the Qt Toolkit.
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     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License version 3.0 as published by the Free Software
     ** Foundation and appearing in the file LICENSE.GPL included in the
     ** packaging of this file.  Please review the following information to
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     #include "AddressBar.h"

     #include <QtCore>
     #include <QtGui>

     AddressBar::AddressBar(QWidget *parent)
         : QWidget(parent)
     {
         m_lineEdit = new QLineEdit(parent);
         m_lineEdit->setPlaceholderText("Enter address or search terms");
         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);
     }