qt-everywhere-src-5.15.1/qtquickcontrols/tests/manual/popupwindowkeyevents.qml

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import QtQuick 2.2
import QtQuick.Controls 1.2
import QtQuick.Controls.Private 1.0

Rectangle {
    width: 300
    height: 250

    focus: true

    Column {
        anchors.centerIn: parent
        spacing: 20

        Button {
            text: "Click to pop up"
            onClicked: {
                popup.x = 200
                popup.y = 150
                popup.show()
            }
        }

        Text {
            id: keyPressedText
            text: "Nothing pressed"
        }

    }

    Keys.onPressed: keyPressedText.text = "Last key pressed: '" + event.text + "'"

    PopupWindow {
        id: popup

        Item {
            width: 200
            height: 150
            focus: true

            Text {
                id: popupKeyPressedText
                anchors.centerIn: parent
                text: "Nothing pressed"
            }

            Keys.onPressed: {
                console.log("popup pressed", event)
                popupKeyPressedText.text = "Last key pressed: '" + event.text + "'"
            }
        }

    }
}