mdiareasnippets.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
#include <QtWidgets>
 
void mainWindowExample()
{
    QMdiArea *mdiArea = new QMdiArea;
    QMainWindow *mainWindow = new QMainWindow;
    mainWindow->setCentralWidget(mdiArea);
 
    mdiArea->addSubWindow(new QPushButton("Push Me Now!"));
 
    mainWindow->show();
}
 
void addingSubWindowsExample()
{
    QWidget *internalWidget1 = new QWidget;
    QWidget *internalWidget2 = new QWidget;
 
    QMdiArea mdiArea;
    QMdiSubWindow *subWindow1 = new QMdiSubWindow;
    subWindow1->setWidget(internalWidget1);
    subWindow1->setAttribute(Qt::WA_DeleteOnClose);
    mdiArea.addSubWindow(subWindow1);
 
    QMdiSubWindow *subWindow2 =
        mdiArea.addSubWindow(internalWidget2);
 
    subWindow1->show();
    subWindow2->show();
 
    mdiArea.show();
}