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| ** This file is part of the Qt3D module of the Qt Toolkit. |
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| |
| #include <QDesktopWidget> |
| #include <QScreen> |
| #include <QApplication> |
| #include <QMainWindow> |
| #include <QMdiArea> |
| #include <QMdiSubWindow> |
| #include <QQuickWidget> |
| #include <QVBoxLayout> |
| #include <QPushButton> |
| |
| void configureMainWindow(QMainWindow *w, QMdiArea *mdiArea, QPushButton *button) |
| { |
| auto widget = new QWidget; |
| auto layout = new QVBoxLayout; |
| layout->addWidget(mdiArea); |
| layout->addWidget(button); |
| widget->setLayout(layout); |
| w->setCentralWidget(widget); |
| } |
| |
| int main(int argc, char* argv[]) |
| { |
| QApplication app(argc, argv); |
| |
| QMainWindow w1; |
| w1.winId(); |
| w1.windowHandle()->setScreen(QGuiApplication::screens().at(0)); |
| auto mdiArea1 = new QMdiArea; |
| auto button1 = new QPushButton("Switch to this window"); |
| configureMainWindow(&w1, mdiArea1, button1); |
| w1.setGeometry(0, 0, 800, 800); |
| w1.show(); |
| |
| QMainWindow w2; |
| w2.winId(); |
| w2.windowHandle()->setScreen(QGuiApplication::screens().at(1)); |
| auto mdiArea2 = new QMdiArea; |
| auto button2 = new QPushButton("Switch to this window"); |
| configureMainWindow(&w2, mdiArea2, button2); |
| w2.setGeometry(0, 0, 800, 800); |
| w2.show(); |
| |
| QMdiSubWindow* subWindow = new QMdiSubWindow(); |
| |
| QQuickWidget *quickWidget = new QQuickWidget(); |
| quickWidget->resize(QSize(400, 400)); |
| quickWidget->setResizeMode(QQuickWidget::SizeRootObjectToView); |
| quickWidget->setSource(QUrl("qrc:/main.qml")); |
| |
| subWindow->setWidget(quickWidget); |
| |
| QObject::connect(button1, &QPushButton::clicked, |
| [mdiArea1, mdiArea2, subWindow, button1, button2]() { |
| mdiArea2->removeSubWindow(subWindow); |
| mdiArea1->addSubWindow(subWindow); |
| subWindow->show(); |
| button1->setEnabled(false); |
| button2->setEnabled(true); |
| }); |
| |
| QObject::connect(button2, &QPushButton::clicked, |
| [mdiArea1, mdiArea2, subWindow, button1, button2]() { |
| mdiArea1->removeSubWindow(subWindow); |
| mdiArea2->addSubWindow(subWindow); |
| subWindow->show(); |
| button1->setEnabled(true); |
| button2->setEnabled(false); |
| }); |
| |
| mdiArea2->addSubWindow(subWindow); |
| button2->setEnabled(false); |
| subWindow->show(); |
| |
| return app.exec(); |
| } |