workerscript.qml Example File

threading/workerscript/workerscript.qml

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  import QtQuick 2.0

  Rectangle {
      width: 320; height: 480

      WorkerScript {
          id: myWorker
          source: "workerscript.js"

          onMessage: {
              if (messageObject.row == rowSpinner.value && messageObject.column == columnSpinner.value){ //Not an old result
                  if (messageObject.result == -1)
                      resultText.text = "Column must be <= Row";
                  else
                      resultText.text = messageObject.result;
              }
          }
      }
      Row {
          y: 24
          spacing: 24
          anchors.horizontalCenter: parent.horizontalCenter
          Spinner {
              id: rowSpinner
              label: "Row"
              onValueChanged: {
                  resultText.text = "Loading...";
                  myWorker.sendMessage( { row: rowSpinner.value, column: columnSpinner.value } );
              }
          }

          Spinner {
              id: columnSpinner
              label: "Column"
              onValueChanged: {
                  resultText.text = "Loading...";
                  myWorker.sendMessage( { row: rowSpinner.value, column: columnSpinner.value } );
              }
          }
      }

      Text {
          id: resultText
          y: 180
          width: parent.width
          horizontalAlignment: Text.AlignHCenter
          wrapMode: Text.WordWrap
          font.pixelSize: 32
      }

      Text {
          text: "Pascal's Triangle Calculator"
          anchors { horizontalCenter: parent.horizontalCenter; bottom: parent.bottom; bottomMargin: 50 }
      }
  }