simplewizard.cpp Example File
dialogs/simplewizard/simplewizard.cpp
/****************************************************************************
**
** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
**
** This file is part of the documentation of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include <QtGui>
#include "simplewizard.h"
SimpleWizard::SimpleWizard(QWidget *parent)
: QDialog(parent)
{
cancelButton = new QPushButton(tr("Cancel"));
backButton = new QPushButton(tr("< &Back"));
nextButton = new QPushButton(tr("Next >"));
finishButton = new QPushButton(tr("&Finish"));
connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));
connect(backButton, SIGNAL(clicked()), this, SLOT(backButtonClicked()));
connect(nextButton, SIGNAL(clicked()), this, SLOT(nextButtonClicked()));
connect(finishButton, SIGNAL(clicked()), this, SLOT(accept()));
buttonLayout = new QHBoxLayout;
buttonLayout->addStretch(1);
buttonLayout->addWidget(cancelButton);
buttonLayout->addWidget(backButton);
buttonLayout->addWidget(nextButton);
buttonLayout->addWidget(finishButton);
mainLayout = new QVBoxLayout;
mainLayout->addLayout(buttonLayout);
setLayout(mainLayout);
}
void SimpleWizard::setButtonEnabled(bool enable)
{
if (history.size() == numPages)
finishButton->setEnabled(enable);
else
nextButton->setEnabled(enable);
}
void SimpleWizard::setNumPages(int n)
{
numPages = n;
history.append(createPage(0));
switchPage(0);
}
void SimpleWizard::backButtonClicked()
{
nextButton->setEnabled(true);
finishButton->setEnabled(true);
QWidget *oldPage = history.takeLast();
switchPage(oldPage);
delete oldPage;
}
void SimpleWizard::nextButtonClicked()
{
nextButton->setEnabled(true);
finishButton->setEnabled(history.size() == numPages - 1);
QWidget *oldPage = history.last();
history.append(createPage(history.size()));
switchPage(oldPage);
}
void SimpleWizard::switchPage(QWidget *oldPage)
{
if (oldPage) {
oldPage->hide();
mainLayout->removeWidget(oldPage);
}
QWidget *newPage = history.last();
mainLayout->insertWidget(0, newPage);
newPage->show();
newPage->setFocus();
backButton->setEnabled(history.size() != 1);
if (history.size() == numPages) {
nextButton->setEnabled(false);
finishButton->setDefault(true);
} else {
nextButton->setDefault(true);
finishButton->setEnabled(false);
}
setWindowTitle(tr("Simple Wizard - Step %1 of %2")
.arg(history.size())
.arg(numPages));
}