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feiyangqingyun
2021-11-17 16:41:30 +08:00
parent a7f4347959
commit ebfd531a91
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third/designer/form/versiondialog.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QVector>
#include <QtGui/QMouseEvent>
#include <QtGui/QGridLayout>
#include <QtGui/QLabel>
#include <QtGui/QPushButton>
#include <QtGui/QDialogButtonBox>
#include <QtGui/QPainter>
#include <QtGui/QPainterPath>
#include <QtGui/QStyleOption>
#include "versiondialog.h"
QT_BEGIN_NAMESPACE
class VersionLabel : public QLabel
{
Q_OBJECT
public:
VersionLabel(QWidget *parent = 0);
signals:
void triggered();
protected:
void mousePressEvent(QMouseEvent *me);
void mouseMoveEvent(QMouseEvent *me);
void mouseReleaseEvent(QMouseEvent *me);
void paintEvent(QPaintEvent *pe);
private:
QVector<QPoint> hitPoints;
QVector<QPoint> missPoints;
QPainterPath m_path;
bool secondStage;
bool m_pushed;
};
VersionLabel::VersionLabel(QWidget *parent)
: QLabel(parent), secondStage(false), m_pushed(false)
{
setPixmap(QPixmap(QLatin1String(":/trolltech/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;
foreach(const QPoint &pt, hitPoints) {
if (!m_path.contains(pt)) {
gotIt = false;
break;
}
}
if (gotIt) {
foreach(const QPoint &pt, 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_WS_MAC
, 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) 2010 Nokia Corporation and/or its subsidiary(-ies)."
).arg(version));
lbl->setWordWrap(true);
lbl->setOpenExternalLinks(true);
QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Close);
connect(buttonBox , SIGNAL(rejected()), this, SLOT(reject()));
connect(label, SIGNAL(triggered()), this, SLOT(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"