/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the Qt Assistant of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** 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 ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#include "helpviewer.h" | |
#include "tracer.h" | |
#include <QtCore/QBuffer> | |
#include <QtGui/QLabel> | |
#include <QtGui/QPushButton> | |
#include <QtGui/QLayout> | |
#include <QtGui/QApplication> | |
#include <QtGui/QDesktopWidget> | |
#include <QtGui/QMessageBox> | |
#include <QtGui/QDesktopServices> | |
#include "aboutdialog.h" | |
QT_BEGIN_NAMESPACE | |
AboutLabel::AboutLabel(QWidget *parent) | |
: QTextBrowser(parent) | |
{ | |
TRACE_OBJ | |
setFrameStyle(QFrame::NoFrame); | |
QPalette p; | |
p.setColor(QPalette::Base, p.color(QPalette::Background)); | |
setPalette(p); | |
} | |
void AboutLabel::setText(const QString &text, const QByteArray &resources) | |
{ | |
TRACE_OBJ | |
QDataStream in(resources); | |
in >> m_resourceMap; | |
QTextBrowser::setText(text); | |
} | |
QSize AboutLabel::minimumSizeHint() const | |
{ | |
TRACE_OBJ | |
QTextDocument *doc = document(); | |
doc->adjustSize(); | |
return QSize(int(doc->size().width()), int(doc->size().height())); | |
} | |
QVariant AboutLabel::loadResource(int type, const QUrl &name) | |
{ | |
TRACE_OBJ | |
if (type == 2 || type == 3) { | |
if (m_resourceMap.contains(name.toString())) { | |
return m_resourceMap.value(name.toString()); | |
} | |
} | |
return QVariant(); | |
} | |
void AboutLabel::setSource(const QUrl &url) | |
{ | |
TRACE_OBJ | |
if (url.isValid() && (!AbstractHelpViewer::isLocalUrl(url) | |
|| !AbstractHelpViewer::canOpenPage(url.path()))) { | |
if (!QDesktopServices::openUrl(url)) { | |
QMessageBox::warning(this, tr("Warning"), | |
tr("Unable to launch external application.\n"), tr("OK")); | |
} | |
} | |
} | |
AboutDialog::AboutDialog(QWidget *parent) | |
: QDialog(parent, Qt::MSWindowsFixedSizeDialogHint | | |
Qt::WindowTitleHint|Qt::WindowSystemMenuHint) | |
{ | |
TRACE_OBJ | |
m_pixmapLabel = 0; | |
m_aboutLabel = new AboutLabel(); | |
m_closeButton = new QPushButton(); | |
m_closeButton->setText(tr("&Close")); | |
connect(m_closeButton, SIGNAL(clicked()), this, SLOT(close())); | |
m_layout = new QGridLayout(this); | |
m_layout->addWidget(m_aboutLabel, 1, 0, 1, -1); | |
m_layout->addItem(new QSpacerItem(20, 10, QSizePolicy::Minimum, | |
QSizePolicy::Fixed), 2, 1, 1, 1); | |
m_layout->addItem(new QSpacerItem(20, 20, QSizePolicy::Expanding), 3, 0, 1, 1); | |
m_layout->addWidget(m_closeButton, 3, 1, 1, 1); | |
m_layout->addItem(new QSpacerItem(20, 20, QSizePolicy::Expanding), 3, 2, 1, 1); | |
} | |
void AboutDialog::setText(const QString &text, const QByteArray &resources) | |
{ | |
TRACE_OBJ | |
m_aboutLabel->setText(text, resources); | |
updateSize(); | |
} | |
void AboutDialog::setPixmap(const QPixmap &pixmap) | |
{ | |
TRACE_OBJ | |
if (!m_pixmapLabel) { | |
m_pixmapLabel = new QLabel(); | |
m_layout->addWidget(m_pixmapLabel, 0, 0, 1, -1, Qt::AlignCenter); | |
} | |
m_pixmapLabel->setPixmap(pixmap); | |
updateSize(); | |
} | |
QString AboutDialog::documentTitle() const | |
{ | |
TRACE_OBJ | |
return m_aboutLabel->documentTitle(); | |
} | |
void AboutDialog::updateSize() | |
{ | |
TRACE_OBJ | |
QSize screenSize = QApplication::desktop()->availableGeometry(QCursor::pos()) | |
.size(); | |
int limit = qMin(screenSize.width()/2, 500); | |
#ifdef Q_WS_MAC | |
limit = qMin(screenSize.width()/2, 420); | |
#endif | |
layout()->activate(); | |
int width = layout()->totalMinimumSize().width(); | |
if (width > limit) | |
width = limit; | |
QFontMetrics fm(qApp->font("QWorkspaceTitleBar")); | |
int windowTitleWidth = qMin(fm.width(windowTitle()) + 50, limit); | |
if (windowTitleWidth > width) | |
width = windowTitleWidth; | |
layout()->activate(); | |
int height = (layout()->hasHeightForWidth()) | |
? layout()->totalHeightForWidth(width) | |
: layout()->totalMinimumSize().height(); | |
setFixedSize(width, height); | |
QCoreApplication::removePostedEvents(this, QEvent::LayoutRequest); | |
} | |
QT_END_NAMESPACE |