import QtQuick 2.4 import QtQuick.Window 2.2 Window { id: main visible: true width: 800; height: 480 flags: Qt.Window | Qt.WindowFullscreenButtonHint // for OSX native behavior support MouseArea { anchors.fill: parent onDoubleClicked: { if (main.visibility === Window.FullScreen) { main.visibility = Window.AutomaticVisibility; } else { main.visibility = Window.FullScreen; } } } }