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# finddialog.cpp Example File
dialogs/extension/finddialog.cpp

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        ** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
        **
        ** This file is part of the example classes of the Qt Toolkit.
        **
        ** Licensees holding valid Qt Preview licenses may use this file in
        ** accordance with the Qt Preview License Agreement provided with the
        ** Software.
        **
        ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
        ** information about Qt Commercial License Agreements.
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        ** Contact info@trolltech.com if any conditions of this licensing are
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        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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        #include <QtGui>

        #include "finddialog.h"

        FindDialog::FindDialog(QWidget *parent)
            : QDialog(parent)
        {
            label = new QLabel(tr("Find &what:"));
            lineEdit = new QLineEdit;
            label->setBuddy(lineEdit);

            caseCheckBox = new QCheckBox(tr("Match &case"));
            fromStartCheckBox = new QCheckBox(tr("Search from &start"));
            fromStartCheckBox->setChecked(true);

            findButton = new QPushButton(tr("&Find"));
            findButton->setDefault(true);

            moreButton = new QPushButton(tr("&More"));
            moreButton->setCheckable(true);
            moreButton->setAutoDefault(false);

            buttonBox = new QDialogButtonBox(Qt::Vertical);
            buttonBox->addButton(findButton, QDialogButtonBox::ActionRole);
            buttonBox->addButton(moreButton, QDialogButtonBox::ActionRole);

            extension = new QWidget;

            wholeWordsCheckBox = new QCheckBox(tr("&Whole words"));
            backwardCheckBox = new QCheckBox(tr("Search &backward"));
            searchSelectionCheckBox = new QCheckBox(tr("Search se&lection"));

            connect(moreButton, SIGNAL(toggled(bool)), extension, SLOT(setVisible(bool)));

            QVBoxLayout *extensionLayout = new QVBoxLayout;
            extensionLayout->setMargin(0);
            extensionLayout->addWidget(wholeWordsCheckBox);
            extensionLayout->addWidget(backwardCheckBox);
            extensionLayout->addWidget(searchSelectionCheckBox);
            extension->setLayout(extensionLayout);

            QHBoxLayout *topLeftLayout = new QHBoxLayout;
            topLeftLayout->addWidget(label);
            topLeftLayout->addWidget(lineEdit);

            QVBoxLayout *leftLayout = new QVBoxLayout;
            leftLayout->addLayout(topLeftLayout);
            leftLayout->addWidget(caseCheckBox);
            leftLayout->addWidget(fromStartCheckBox);
            leftLayout->addStretch(1);

            QGridLayout *mainLayout = new QGridLayout;
            mainLayout->setSizeConstraint(QLayout::SetFixedSize);
            mainLayout->addLayout(leftLayout, 0, 0);
            mainLayout->addWidget(buttonBox, 0, 1);
            mainLayout->addWidget(extension, 1, 0, 1, 2);
            setLayout(mainLayout);

            setWindowTitle(tr("Extension"));
            extension->hide();
        }