qtbase-opensource-src/tests/manual/qlayout/mainwindow.cpp

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/****************************************************************************
**
** 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 "mainwindow.h"
#include "hbwidget.h"
#include "vbwidget.h"
#include "gridwidget.h"
#include <QGridLayout>
#include <QComboBox>
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
{
QWidget *widget = new QWidget(this);
setCentralWidget(widget);
m_mainLayout = new QGridLayout(widget);
QComboBox *combo = new QComboBox();
combo->addItem("HBox Layout");
combo->addItem("VBox Layout");
combo->addItem("Grid Layout");
connect(combo, SIGNAL(currentIndexChanged(int)), this, SLOT(layoutIndexChanged(int)));
HbWidget *hbWidget = new HbWidget(this);
m_mainLayout->addWidget(combo);
m_mainLayout->addWidget(hbWidget);
}
MainWindow::~MainWindow()
{
}
void MainWindow::layoutIndexChanged(int index)
{
delete m_mainLayout->takeAt(1)->widget();
switch (index) {
case 0: {
HbWidget *hbWidget = new HbWidget(this);
m_mainLayout->addWidget(hbWidget);
break;
}
case 1: {
VbWidget *vbWidget = new VbWidget(this);
m_mainLayout->addWidget(vbWidget);
break;
}
default: {
GridWidget *gridW = new GridWidget(this);
m_mainLayout->addWidget(gridW);
break;
}
}
}