import QtQuick 2.6
import QtQuick.Window 2.2

Window {
    id: window
    width: 100
    height: 100
    color: "red"
    visible: true
//    flags: Qt.FramelessWindowHint
//    visibility: Window.FullScreen
    Rectangle {
        anchors.centerIn: parent
        width: 100
        height: 100
        color: "yellow"
        NumberAnimation on rotation {
            from: 0
            to: 89
            loops: Animation.Infinite
        }
    }
    Shortcut {
        sequence: "f"
        onActivated: {
            window.visibility = window.visibility === Window.FullScreen ? Window.Windowed : Window.FullScreen;
        }
    }
    Shortcut {
        sequence: "d"
        onActivated: {
            window.flags ^= Qt.FramelessWindowHint;
        }
    }
}