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50
51#include <QGuiApplication>
52#include <QScreen>
53#include <QRect>
54#include <QSharedPointer>
55
56#include "window.h"
57
58int main(int argc, char **argv)
59{
60 typedef QSharedPointer<QWindow> WindowPtr;
61
62 QGuiApplication app(argc, argv);
63
64 Window a;
65 a.setFramePosition(QPoint(10, 10));
66 a.setTitle(QStringLiteral("Window A"));
67 a.setObjectName(a.title());
68 a.setVisible(true);
69
70 Window b;
71 b.setFramePosition(QPoint(100, 100));
72 b.setTitle(QStringLiteral("Window B"));
73 b.setObjectName(b.title());
74 b.setVisible(true);
75
76 Window child(&b);
77 child.setObjectName(QStringLiteral("ChildOfB"));
78 child.setVisible(true);
79
80 // create one window on each additional screen as well
81
82 QList<WindowPtr> windows;
83 const QList<QScreen *> screens = app.screens();
84 for (QScreen *screen : screens) {
85 if (screen == app.primaryScreen())
86 continue;
87 WindowPtr window(new Window(screen));
88 QRect geometry = window->geometry();
89 geometry.moveCenter(p: screen->availableGeometry().center());
90 window->setGeometry(geometry);
91 window->setVisible(true);
92 window->setTitle(screen->name());
93 window->setObjectName(window->title());
94 windows.push_back(t: window);
95 }
96 return app.exec();
97}
98

source code of qtbase/examples/qpa/windows/main.cpp