How to find the window that contains the QtVirtualKeyboard
问题 I'm using qt widgets on embedded device and have problem with virtual keyboard. Keyboard is shown as fullscreen and overlaps all app. In article Virtual keyboard top black screen in Yocto is described hack how to solve this issue. In short, you need to find the QQuickWindow with the keyboard and call setMask on this window. Then the area above the keyboard will be transparent I have problem how to find QQuickWindow with virtual keyboard. I tried to use QApplication::allWidgets() but the