| /**************************************************************************** |
| ** |
| ** 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 |