问State.when对Item.state属性

EN

Item {
    id: item

    anchors.fill: parent
    states: [
        State {
            name: "when state"
            when: 1 === 1
        },
        State {
            name: "explicit state"
        }
    ]

    onStateChanged: console.log("state = " + state)

    MouseArea {
        anchors.fill: parent

        onPressed: item.state = "explicit state"
        onReleased: item.state = ""
    }
}