Compile-time warnings in Qt Quick Controls - Attached Style Properties Example

Info: Label.qml:4:1: Unused import [unused-imports]
import QtQuick
^^^^^^

Warning: Popup.qml:46:16: Unqualified access [unqualified]
        color: control.MyStyle.backgroundDimColor
               ^^^^^^^
Info: Set "pragma ComponentBehavior: Bound" in order to use IDs from outer components in nested components.

Warning: Popup.qml:46:16: Could not compile binding for color: Cannot access value for name control [compiler]
        color: control.MyStyle.backgroundDimColor
               ^^^^^^^