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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/qvector.h>
#include <QtGui/qevent.h>
#include <QtWidgets/qgridlayout.h>
#include <QtWidgets/qlabel.h>
#include <QtWidgets/qpushbutton.h>
#include <QtWidgets/qdialogbuttonbox.h>
#include <QtGui/qpainter.h>
#include <QtGui/qpainterpath.h>
#include <QtWidgets/qstyleoption.h>
#include "versiondialog.h"
QT_BEGIN_NAMESPACE
class VersionLabel : public QLabel
{
Q_OBJECT
public:
VersionLabel(QWidget *parent = nullptr);
signals:
void triggered();
protected:
void mousePressEvent(QMouseEvent *me) override;
void mouseMoveEvent(QMouseEvent *me) override;
void mouseReleaseEvent(QMouseEvent *me) override;
void paintEvent(QPaintEvent *pe) override;
private:
QVector<QPoint> hitPoints;
QVector<QPoint> missPoints;
QPainterPath m_path;
bool secondStage = false;
bool m_pushed = false;
};
VersionLabel::VersionLabel(QWidget *parent)
: QLabel(parent)
{
setPixmap(QPixmap(QStringLiteral(":/qt-project.org/designer/images/designer.png")));
hitPoints.append(QPoint(56, 25));
hitPoints.append(QPoint(29, 55));
hitPoints.append(QPoint(56, 87));
hitPoints.append(QPoint(82, 55));
hitPoints.append(QPoint(58, 56));
secondStage = false;
m_pushed = false;
}
void VersionLabel::mousePressEvent(QMouseEvent *me)
{
if (me->button() == Qt::LeftButton) {
if (!secondStage) {
m_path = QPainterPath(me->pos());
} else {
m_pushed = true;
update();
}
}
}
void VersionLabel::mouseMoveEvent(QMouseEvent *me)
{
if (me->buttons() & Qt::LeftButton)
if (!secondStage)
m_path.lineTo(me->pos());
}
void VersionLabel::mouseReleaseEvent(QMouseEvent *me)
{
if (me->button() == Qt::LeftButton) {
if (!secondStage) {
m_path.lineTo(me->pos());
bool gotIt = true;
for (const QPoint &pt : qAsConst(hitPoints)) {
if (!m_path.contains(pt)) {
gotIt = false;
break;
}
}
if (gotIt) {
for (const QPoint &pt : qAsConst(missPoints)) {
if (m_path.contains(pt)) {
gotIt = false;
break;
}
}
}
if (gotIt && !secondStage) {
secondStage = true;
m_path = QPainterPath();
update();
}
} else {
m_pushed = false;
update();
emit triggered();
}
}
}
void VersionLabel::paintEvent(QPaintEvent *pe)
{
if (secondStage) {
QPainter p(this);
QStyleOptionButton opt;
opt.init(this);
if (!m_pushed)
opt.state |= QStyle::State_Raised;
else
opt.state |= QStyle::State_Sunken;
opt.state &= ~QStyle::State_HasFocus;
style()->drawControl(QStyle::CE_PushButtonBevel, &opt, &p, this);
}
QLabel::paintEvent(pe);
}
VersionDialog::VersionDialog(QWidget *parent)
: QDialog(parent
#ifdef Q_OS_MACOS
, Qt::Tool
#endif
)
{
setWindowFlags((windowFlags() & ~Qt::WindowContextHelpButtonHint) | Qt::MSWindowsFixedSizeDialogHint);
QGridLayout *layout = new QGridLayout(this);
VersionLabel *label = new VersionLabel;
QLabel *lbl = new QLabel;
QString version = tr("<h3>%1</h3><br/><br/>Version %2");
version = version.arg(tr("Qt Designer")).arg(QLatin1String(QT_VERSION_STR));
version.append(tr("<br/>Qt Designer is a graphical user interface designer for Qt applications.<br/>"));
lbl->setText(tr("%1"
"<br/>Copyright (C) %2 The Qt Company Ltd."
).arg(version, QStringLiteral("2020")));
lbl->setWordWrap(true);
lbl->setOpenExternalLinks(true);
QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Close);
connect(buttonBox , &QDialogButtonBox::rejected, this, &QDialog::reject);
connect(label, &VersionLabel::triggered, this, &QDialog::accept);
layout->addWidget(label, 0, 0, 1, 1);
layout->addWidget(lbl, 0, 1, 4, 4);
layout->addWidget(buttonBox, 4, 2, 1, 1);
}
QT_END_NAMESPACE
#include "versiondialog.moc"
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