1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite 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 <QApplication>
#include <QPushButton>
#include <QVBoxLayout>
class TopWidget : public QWidget
{
Q_OBJECT
public:
TopWidget(QWidget *parent = 0) : QWidget(parent)
{
QVBoxLayout *layout = new QVBoxLayout;
QPushButton *button = new QPushButton("Change app icon");
connect(button, SIGNAL(clicked()), this, SLOT(changeIcon()));
layout->addWidget(button);
setLayout(layout);
}
public slots:
void changeIcon()
{
QPixmap pix(32, 32);
pix.fill(Qt::red);
QIcon i(pix);
qApp->setWindowIcon(i);
}
};
#include "main.moc"
int main(int argc, char **argv)
{
QApplication a(argc, argv);
TopWidget w;
w.show();
return a.exec();
}
|