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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QtCore/qlist.h>
#include <QtGui/qevent.h>
#include <QtGui/qpainter.h>
#include <QtGui/qpainterpath.h>
#include <QtWidgets/qdialogbuttonbox.h>
#include <QtWidgets/qgridlayout.h>
#include <QtWidgets/qlabel.h>
#include <QtWidgets/qpushbutton.h>
#include <QtWidgets/qstyleoption.h>
#include "versiondialog.h"
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
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:
QList<QPoint> hitPoints;
QList<QPoint> missPoints;
QPainterPath m_path;
bool secondStage = false;
bool m_pushed = false;
};
VersionLabel::VersionLabel(QWidget *parent)
: QLabel(parent)
{
QPixmap pixmap(u":/qt-project.org/designer/images/designer.png"_s);
pixmap.setDevicePixelRatio(devicePixelRatioF());
setPixmap(pixmap);
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 : std::as_const(hitPoints)) {
if (!m_path.contains(pt)) {
gotIt = false;
break;
}
}
if (gotIt) {
for (const QPoint &pt : std::as_const(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.initFrom(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
)
{
setWindowFlag(Qt::MSWindowsFixedSizeDialogHint, true);
QGridLayout *layout = new QGridLayout(this);
VersionLabel *label = new VersionLabel(this);
QLabel *lbl = new QLabel(this);
QString version = tr("<h3>%1</h3><br/><br/>Version %2");
version = version.arg(tr("Qt Widgets Designer")).arg(QLatin1StringView(QT_VERSION_STR));
version.append(tr("<br/>Qt Widgets 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, QString()));
lbl->setWordWrap(true);
lbl->setOpenExternalLinks(true);
QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Close, this);
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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