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wizard.cpp
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wizard.cpp
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/****************************************************************************
**
** Copyright (C) 2006-2008 Urs Wolfer <uwolfer @ fwo.ch>
**
** Some parts of this file have been taken from
** examples/dialogs/complexwizard of Qt 4.1 which is
** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
**
** This file is part of QtEmu.
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU Library General Public License
** along with this library; see the file COPYING.LIB. If not, write to
** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
** Boston, MA 02110-1301, USA.
**
****************************************************************************/
#include "wizard.h"
#include <QPushButton>
#include <QFrame>
#include <QBoxLayout>
#include <QLabel>
#include <QSettings>
Wizard::Wizard(QWidget *parent)
: QDialog(parent)
{
cancelButton = new QPushButton(tr("Cancel"));
backButton = new QPushButton(tr("< &Back"));
nextButton = new QPushButton(tr("Next >"));
connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));
connect(backButton, SIGNAL(clicked()), this, SLOT(backButtonClicked()));
connect(nextButton, SIGNAL(clicked()), this, SLOT(nextButtonClicked()));
buttonLayout = new QHBoxLayout;
buttonLayout->addStretch(1);
buttonLayout->addWidget(cancelButton);
buttonLayout->addWidget(backButton);
buttonLayout->addWidget(nextButton);
headerFrame = new QFrame;
headerFrame->setFrameShape(QFrame::StyledPanel);
headerFrame->setFrameShadow(QFrame::Plain);
headerFrame->setAutoFillBackground(true);
headerFrame->setBackgroundRole(QPalette::Base);
QHBoxLayout *headerLayout = new QHBoxLayout;
headerLabel = new QLabel;
#if QT_VERSION >= 0x040200
headerLabel->setStyleSheet("QLabel { font-weight: bold; }");
#endif
headerLayout->addWidget(headerLabel);
QSettings settings("QtEmu", "QtEmu");
QString iconTheme = settings.value("iconTheme", "oxygen").toString();
headerIcon = new QLabel;
headerIcon->setPixmap(QPixmap(":/images/" + iconTheme + "/qtemu.png"));
headerLayout->addWidget(headerIcon);
headerLayout->setStretchFactor(headerLabel, 1);
headerFrame->setLayout(headerLayout);
mainLayout = new QVBoxLayout;
mainLayout->addWidget(headerFrame);
mainLayout->addLayout(buttonLayout);
setLayout(mainLayout);
}
void Wizard::setTitle(const QString &title)
{
headerLabel->setText(title);
}
void Wizard::setFirstPage(WizardPage *page)
{
page->resetPage();
history.append(page);
switchPage(0);
}
void Wizard::backButtonClicked()
{
WizardPage *oldPage = history.takeLast();
oldPage->resetPage();
switchPage(oldPage);
}
void Wizard::nextButtonClicked()
{
WizardPage *oldPage = history.last();
WizardPage *newPage = oldPage->nextPage();
newPage->resetPage();
history.append(newPage);
switchPage(oldPage);
}
void Wizard::completeStateChanged()
{
nextButton->setDefault(true);
WizardPage *currentPage = history.last();
nextButton->setEnabled(currentPage->isComplete());
if (currentPage->isLastPage())
nextButton->setText(tr("&Finish"));
else
nextButton->setText(tr("Next >"));
}
void Wizard::switchPage(WizardPage *oldPage)
{
if (oldPage)
{
oldPage->hide();
mainLayout->removeWidget(oldPage);
disconnect(oldPage, SIGNAL(completeStateChanged()),
this, SLOT(completeStateChanged()));
}
WizardPage *newPage = history.last();
mainLayout->insertWidget(1, newPage);
newPage->show();
newPage->setFocus();
newPage->updateTitle();
connect(newPage, SIGNAL(completeStateChanged()),
this, SLOT(completeStateChanged()));
backButton->setEnabled(history.size() != 1);
if (newPage->isLastPage())
{
disconnect(nextButton, SIGNAL(clicked()), this, SLOT(nextButtonClicked()));
connect(nextButton, SIGNAL(clicked()), this, SIGNAL(finished()));
connect(nextButton, SIGNAL(clicked()), this, SLOT(accept()));
}
else
{
disconnect(nextButton, SIGNAL(clicked()), this, SIGNAL(finished()));
disconnect(nextButton, SIGNAL(clicked()), this, SLOT(accept()));
disconnect(nextButton, SIGNAL(clicked()), this, SLOT(nextButtonClicked()));
connect(nextButton, SIGNAL(clicked()), this, SLOT(nextButtonClicked()));
}
completeStateChanged();
}
WizardPage::WizardPage(QWidget *parent)
: QWidget(parent)
{
hide();
}
void WizardPage::updateTitle()
{
}
void WizardPage::resetPage()
{
}
WizardPage *WizardPage::nextPage()
{
return 0;
}
bool WizardPage::isLastPage()
{
return false;
}
bool WizardPage::isComplete()
{
return true;
}
void WizardPage::privateSlot()
{
}