5.12.3 windows windowsvista ()
\\.\DISPLAY2 QRect(0,0 1680x1050) 96dpi, dpr=1
\\.\DISPLAY1 QRect(-3840,-305 1920x1080) 96dpi, dpr=2

MainWindow::createChildWindow
MainWindow::setChildGeometry
MainWindow::setChildGeometry < QRect(60,60 800x800)
QWidgetPrivate::create_sys MainWindow(0x7bef31fab0, name="Top")
QWidgetPrivate::createTLSysExtra MainWindow(0x7bef31fab0, name="Top")
QWidgetPrivate::create_sys resize QSize(640, 480)
QWindow::setScreen QWidgetWindow(0x23a10464970, name="TopWindow") QScreen(0x23a10466e90, name="\\\\.\\DISPLAY2")
QPlatformWindow::initialGeometry QWidgetWindow(0x23a10464970, name="TopWindow") QRect(0,0 640x480)
QPlatformWindow::initialGeometry effectiveScreen QScreen(0x23a10466b20, name="\\\\.\\DISPLAY1") screen() QScreen(0x23a10466e90, name="\\\\.\\DISPLAY2")
QPlatformWindow::initialGeometry "\\\\.\\DISPLAY1"
QPlatformWindow::initialGeometry positionAutomatic
QPlatformWindow::initialGeometry center over  QPoint(-2880,212)
QPlatformWindow::initialGeometry QRect(-2558,251 1280x960)
WindowCreationData::create QRect(0,0 640x480) QPlatformWindow::initialGeometry QRect(-2558,251 1280x960)
QWidgetPrivate::create_sys QWidget(0x23a1047c070, name="Child")
QWidgetPrivate::createTLSysExtra QWidget(0x23a1047c070, name="Child")
QWindow::setGeometry QWidgetWindow(0x23a10495a90, name="ChildWindow") QRect(60,60 800x800)
QWidgetPrivate::create_sys setting geom QRect(60,60 800x800)
QWindow::setScreen QWidgetWindow(0x23a10495a90, name="ChildWindow") QScreen(0x23a10466e90, name="\\\\.\\DISPLAY2")
QPlatformWindow::initialGeometry QWidgetWindow(0x23a10495a90, name="ChildWindow") QRect(60,60 800x800)
QPlatformWindow::initialGeometry effectiveScreen QScreen(0x23a10466b20, name="\\\\.\\DISPLAY1") screen() QScreen(0x23a10466e90, name="\\\\.\\DISPLAY2")
QPlatformWindow::initialGeometry "\\\\.\\DISPLAY1"
QPlatformWindow::initialGeometry QRect(3960,425 1600x1600)
WindowCreationData::create QRect(60,60 800x800) QPlatformWindow::initialGeometry QRect(3960,425 1600x1600)
QWidgetPrivate::create_sys QPushButton(0x23a1047c460)
QRect(3960,425 1600x1600)
QWidgetPrivate::create_sys QMenuBar(0x23a123e0a30)