qt-everywhere-src-5.15.1/qtwebengine/src/webengine/ui/ToolTip.qml

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import QtQuick 2.5

Item {
    id: toolTipContainer
    z: 9999
    width: content.width
    height: content.height
    visible: false

    property alias text: toolTip.text
    property int delayTimerInterval: 500
    property int hideTimerInterval: 10000
    property int toolTipMaxWidth: 400

    Timer {
        id: delayTimer
        interval: delayTimerInterval
        onTriggered: {
            toolTipContainer.visible = true
            hideTimer.start()
        }
    }

    Timer {
        id: hideTimer
        interval: hideTimerInterval
        onTriggered: toolTipContainer.visible = false
    }

    Rectangle {
        id: content
        color: "#f8eabf"
        border.color: "black"
        anchors.centerIn: parent
        width: toolTip.contentWidth + 10
        height: toolTip.contentHeight + 10
        radius: 3

       Text {
            id: toolTip
            anchors {fill: parent; margins: 5}
            wrapMode: Text.Wrap
            width: Math.min(toolTipMaxWidth, (toolTip.text.length +1) * 8)
        }
    }

    function open() {
        delayTimer.start();
    }

    function hide() {
        hideTimer.start();
    }
}