1 files changed, 184 insertions, 0 deletions
diff --git a/src/assistant/tools/assistant/aboutdialog.cpp b/src/assistant/tools/assistant/aboutdialog.cpp
new file mode 100644
index 000000000..b4c390e90
--- /dev/null
+++ b/src/assistant/tools/assistant/aboutdialog.cpp
@@ -0,0 +1,184 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "aboutdialog.h"
+
+#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>
+
+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() && (!HelpViewer::isLocalUrl(url)
+    || !HelpViewer::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