import QtQuick import QtQuick.Window import QtQuick.Controls Window { width: 400 height: 400 property alias mouseArea: mouseArea property alias loader: loader MouseArea { id: mouseArea width: 200 height: 200 hoverEnabled: true ToolTip.text: "static tooltip" ToolTip.visible: containsMouse } Loader { id: loader active: false sourceComponent: Rectangle { ToolTip.text: "dynamic tooltip" ToolTip.visible: false } } }