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/* $Id: VBoxAboutDlg.cpp $ */
/** @file
* VBox Qt GUI - VBoxAboutDlg class implementation.
*/
/*
* Copyright (C) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* 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, in version 3 of the
* License.
*
* 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 General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/* Qt includes: */
#include <QDialogButtonBox>
#include <QDir>
#include <QEvent>
#include <QLabel>
#include <QPainter>
#include <QPushButton>
#include <QStyle>
#include <QVBoxLayout>
/* GUI includes: */
#include "UIConverter.h"
#include "UIExtraDataManager.h"
#include "UIIconPool.h"
#include "VBoxAboutDlg.h"
#include "UICommon.h"
/* Other VBox includes: */
#include <iprt/path.h>
#include <VBox/version.h> /* VBOX_VENDOR */
VBoxAboutDlg::VBoxAboutDlg(QWidget *pParent, const QString &strVersion)
#ifdef VBOX_WS_MAC
// No need for About dialog parent on macOS.
// First of all, non of other native apps (Safari, App Store, iTunes) centers About dialog according the app itself, they do
// it according to screen instead, we should do it as well. Besides that since About dialog is not modal, it will be in
// conflict with modal dialogs if there will be a parent passed, because the dialog will not have own event-loop in that case.
: QIWithRetranslateUI2<QIDialog>(0)
, m_pPseudoParent(pParent)
#else
// On other hosts we will keep the current behavior for now.
// First of all it's quite difficult to find native (Metro UI) Windows app which have About dialog at all. But non-native
// cross-platform apps (Qt Creator, VLC) centers About dialog according the app exactly.
: QIWithRetranslateUI2<QIDialog>(pParent)
, m_pPseudoParent(0)
#endif
, m_strVersion(strVersion)
, m_pMainLayout(0)
, m_pLabel(0)
, m_fFixedSizeSet(false)
{
/* Prepare: */
prepare();
}
bool VBoxAboutDlg::event(QEvent *pEvent)
{
/* Set fixed-size for dialog: */
if (!m_fFixedSizeSet && pEvent->type() == QEvent::Show)
{
m_fFixedSizeSet = true;
setFixedSize(m_size);
}
/* Call to base-class: */
return QIDialog::event(pEvent);
}
void VBoxAboutDlg::paintEvent(QPaintEvent *)
{
/* Draw About-VirtualBox background image: */
QPainter painter(this);
painter.drawPixmap(0, 0, m_pixmap);
}
void VBoxAboutDlg::retranslateUi()
{
setWindowTitle(tr("VirtualBox - About"));
const QString strAboutText = tr("VirtualBox Graphical User Interface");
#ifdef VBOX_BLEEDING_EDGE
const QString strVersionText = "EXPERIMENTAL build %1 - " + QString(VBOX_BLEEDING_EDGE);
#else
const QString strVersionText = tr("Version %1");
#endif
#ifdef VBOX_OSE
m_strAboutText = strAboutText + " " + strVersionText.arg(m_strVersion) + "\n"
+ QString("%1 2004-" VBOX_C_YEAR " " VBOX_VENDOR).arg(QChar(0xa9));
#else
m_strAboutText = strAboutText + "\n" + strVersionText.arg(m_strVersion);
#endif
m_strAboutText = m_strAboutText + QString(" (Qt%1)").arg(qVersion());
m_strAboutText = m_strAboutText + "\n" + QString("Copyright %1 %2 %3.")
.arg(QChar(0xa9)).arg(VBOX_C_YEAR).arg(VBOX_VENDOR);
AssertPtrReturnVoid(m_pLabel);
m_pLabel->setText(m_strAboutText);
}
void VBoxAboutDlg::prepare()
{
/* Delete dialog on close: */
setAttribute(Qt::WA_DeleteOnClose);
/* Make sure the dialog is deleted on pseudo-parent destruction: */
if (m_pPseudoParent)
connect(m_pPseudoParent, &QObject::destroyed, this, &VBoxAboutDlg::close);
/* Choose default image: */
QString strPath(":/about.png");
/* Branding: Use a custom about splash picture if set: */
const QString strSplash = uiCommon().brandingGetKey("UI/AboutSplash");
if (uiCommon().brandingIsActive() && !strSplash.isEmpty())
{
char szExecPath[1024];
RTPathExecDir(szExecPath, 1024);
QString strTmpPath = QString("%1/%2").arg(szExecPath).arg(strSplash);
if (QFile::exists(strTmpPath))
strPath = strTmpPath;
}
/* Load image: */
const int iIconMetric = QApplication::style()->pixelMetric(QStyle::PM_LargeIconSize);
const double dRatio = (double)iIconMetric / 32;
const QIcon icon = UIIconPool::iconSet(strPath);
m_size = icon.availableSizes().value(0, QSize(640, 480));
m_size *= dRatio;
m_pixmap = icon.pixmap(m_size);
// WORKAROUND:
// Since we don't have x3 and x4 HiDPI icons yet,
// and we hadn't enabled automatic up-scaling for now,
// we have to make sure m_pixmap is upscaled to required size.
const QSize actualSize = m_pixmap.size() / m_pixmap.devicePixelRatio();
if ( actualSize.width() < m_size.width()
|| actualSize.height() < m_size.height())
m_pixmap = m_pixmap.scaled(m_size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
/* Prepare main-layout: */
prepareMainLayout();
/* Translate: */
retranslateUi();
}
void VBoxAboutDlg::prepareMainLayout()
{
/* Create main-layout: */
m_pMainLayout = new QVBoxLayout(this);
if (m_pMainLayout)
{
/* Prepare label: */
prepareLabel();
/* Prepare close-button: */
prepareCloseButton();
}
}
void VBoxAboutDlg::prepareLabel()
{
/* Create label for version text: */
m_pLabel = new QLabel;
if (m_pLabel)
{
/* Prepare label for version text: */
QPalette palette;
/* Branding: Set a different text color (because splash also could be white),
* otherwise use white as default color: */
const QString strColor = uiCommon().brandingGetKey("UI/AboutTextColor");
if (!strColor.isEmpty())
palette.setColor(QPalette::WindowText, QColor(strColor).name());
else
palette.setColor(QPalette::WindowText, Qt::black);
m_pLabel->setPalette(palette);
m_pLabel->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_pLabel->setFont(font());
/* Add label to the main-layout: */
m_pMainLayout->addWidget(m_pLabel);
m_pMainLayout->setAlignment(m_pLabel, Qt::AlignRight | Qt::AlignBottom);
}
}
void VBoxAboutDlg::prepareCloseButton()
{
/* Create button-box: */
QDialogButtonBox *pButtonBox = new QDialogButtonBox;
if (pButtonBox)
{
/* Create close-button: */
QPushButton *pCloseButton = pButtonBox->addButton(QDialogButtonBox::Close);
AssertPtrReturnVoid(pCloseButton);
/* Prepare close-button: */
connect(pButtonBox, &QDialogButtonBox::rejected, this, &VBoxAboutDlg::reject);
/* Add button-box to the main-layout: */
m_pMainLayout->addWidget(pButtonBox);
}
}
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