RoundActionButton.qml

import QtQuick 2.10
import QtQuick.Controls 2.3
import de.skycoder42.QtMvvm.Quick 1.0

RoundButton {
    id: _roundButton

    property string toolTip: _roundButton.text

    display: AbstractButton.IconOnly
    highlighted: true

    implicitHeight: 56 + padding
    implicitWidth: 56 + padding

    icon.width: 24
    icon.height: 24

    ToolTip {
        id: _backToolTip
        text: _roundButton.toolTip
    }

    onPressAndHold: {
        if(_backToolTip.text !== "") {
            QuickPresenter.hapticLongPress();
            _backToolTip.visible = true;
        }
    }
    onCanceled: _backToolTip.visible = false
    onReleased: _backToolTip.visible = false
}