Qt 4.8: finddialog.cpp Example File (dialogs/extension/finddialog.cpp)

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# finddialog.cpp Example File

dialogs/extension/finddialog.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2015 The Qt Company Ltd.
     ** Contact: http://www.qt.io/licensing/
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
     ** modification, are permitted provided that the following conditions are
     ** met:
     **   * Redistributions of source code must retain the above copyright
     **     notice, this list of conditions and the following disclaimer.
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     **     notice, this list of conditions and the following disclaimer in
     **     the documentation and/or other materials provided with the
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     **     contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
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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);

         extension = new QWidget;

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

     #if defined(Q_OS_SYMBIAN) || defined(Q_WS_SIMULATOR)
         // Create menu
         QMenu *menu = new QMenu(this);

         // Create Find menu item
         menu->addAction(tr("Find"));

         // Create More menu item
         QAction *moreAction = menu->addAction(tr("More"));
         moreAction->setCheckable(true);

         // Create Options CBA
         QAction *optionAction = new QAction(tr("Options"), this);

         // Set defined menu into Options button
         optionAction->setMenu(menu);
         optionAction->setSoftKeyRole(QAction::PositiveSoftKey);
         addAction(optionAction);

         // Connect More menu item to setVisible slot
         connect(moreAction, SIGNAL(triggered(bool)), extension, SLOT(setVisible(bool)));

         // Create Exit CBA
         QAction *backSoftKeyAction = new QAction(QString(tr("Exit")), this);
         backSoftKeyAction->setSoftKeyRole(QAction::NegativeSoftKey);

         // Exit button closes the application
         connect(backSoftKeyAction, SIGNAL(triggered()), qApp, SLOT(quit()));
         addAction(backSoftKeyAction);
     #else
         buttonBox = new QDialogButtonBox(Qt::Vertical);
         buttonBox->addButton(findButton, QDialogButtonBox::ActionRole);
         buttonBox->addButton(moreButton, QDialogButtonBox::ActionRole);

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

         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);

         QGridLayout *mainLayout = new QGridLayout;
     #if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5) && !defined(Q_WS_SIMULATOR)
         mainLayout->setSizeConstraint(QLayout::SetFixedSize);
     #endif
         mainLayout->addLayout(leftLayout, 0, 0);
     #if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_SIMULATOR)
         mainLayout->addWidget(buttonBox, 0, 1);
     #endif
         mainLayout->addWidget(extension, 1, 0, 1, 2);
         mainLayout->setRowStretch(2, 1);

         setLayout(mainLayout);

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