diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp index c76595e9708..3b3f15610cc 100644 --- a/src/plugins/platforms/windows/qwindowswindow.cpp +++ b/src/plugins/platforms/windows/qwindowswindow.cpp @@ -2579,26 +2579,26 @@ void QWindowsWindow::setWindowState_sys(Qt::WindowStates newState) if (testFlag(HasBorderInFullScreen)) newStyle |= WS_BORDER; setStyle(newStyle); - // Use geometry of QWindow::screen() within creation or the virtual screen the - // window is in (QTBUG-31166, QTBUG-30724). - const QScreen *screen = window()->screen(); - if (!screen) - screen = QGuiApplication::primaryScreen(); - const QRect r = screen ? QHighDpi::toNativePixels(screen->geometry(), window()) : m_savedFrameGeometry; - + const HMONITOR monitor = MonitorFromWindow(m_data.hwnd, MONITOR_DEFAULTTONEAREST); + MONITORINFO monitorInfo = {}; + monitorInfo.cbSize = sizeof(MONITORINFO); + GetMonitorInfoW(monitor, &monitorInfo); + const QRect screenGeometry(monitorInfo.rcMonitor.left, monitorInfo.rcMonitor.top, + monitorInfo.rcMonitor.right - monitorInfo.rcMonitor.left, + monitorInfo.rcMonitor.bottom - monitorInfo.rcMonitor.top); if (newState & Qt::WindowMinimized) { - setMinimizedGeometry(m_data.hwnd, r); + setMinimizedGeometry(m_data.hwnd, screenGeometry); if (stateChange & Qt::WindowMaximized) setRestoreMaximizedFlag(m_data.hwnd, newState & Qt::WindowMaximized); } else { const UINT swpf = SWP_FRAMECHANGED | SWP_NOACTIVATE; const bool wasSync = testFlag(SynchronousGeometryChangeEvent); setFlag(SynchronousGeometryChangeEvent); - SetWindowPos(m_data.hwnd, HWND_TOP, r.left(), r.top(), r.width(), r.height(), swpf); + SetWindowPos(m_data.hwnd, HWND_TOP, screenGeometry.left(), screenGeometry.top(), screenGeometry.width(), screenGeometry.height(), swpf); if (!wasSync) clearFlag(SynchronousGeometryChangeEvent); clearFlag(MaximizeToFullScreen); - QWindowSystemInterface::handleGeometryChange(window(), r); + QWindowSystemInterface::handleGeometryChange(window(), screenGeometry); QWindowSystemInterface::flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents); } } else {