tapableTriangle.qml Example File

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 import QtQuick 2.12
 import QtQuick.Shapes 1.12

 Rectangle {
     width: 120
     height: 120
     color: th.pressed ? "steelBlue" : "lightGray"
     containmentMask: ctr

     TapHandler { id: th }

     Shape {
         id: ctr
         anchors.fill: parent
         containsMode: Shape.FillContains

         ShapePath {
             strokeColor: "red"
             fillColor: "blue"

             SequentialAnimation on strokeWidth {
                 loops: Animation.Infinite
                 NumberAnimation { from: 1; to: 30; duration: 5000 }
                 NumberAnimation { from: 30; to: 1; duration: 5000 }
                 PauseAnimation { duration: 2000 }
             }

             startX: 30; startY: 30
             PathLine { x: ctr.width - 30; y: ctr.height - 30 }
             PathLine { x: 30; y: ctr.height - 30 }
             PathLine { x: 30; y: 30 }
         }

         // Besides ShapePath, Shape supports visual and non-visual objects too, allowing
         // free mixing without going through extra hoops:
         Rectangle {
             id: testRect
             color: "green"
             opacity: 0.3
             width: 20
             height: 20
             anchors.right: parent.right
         }
         Timer {
             interval: 100
             repeat: true
             onTriggered: testRect.width = testRect.width > 1 ? testRect.width - 1 : 20
             running: true
         }
     }
 }