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qtscxml5-doc-5.12.6-1.mga7.noarch.rpm

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<h1 class="title">calculator-qml.qml Example File</h1>
<span class="subtitle">calculator-qml/calculator-qml.qml</span>
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<pre class="qml">

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  import CalculatorStateMachine 1.0
  import QtQuick 2.5
  import QtQuick.Window 2.0
  import QtScxml 5.8

  Window {
      id: window
      visible: true
      width: 320
      height: 480

      CalculatorStateMachine {
          id: statemachine
          running: true
          EventConnection {
              events: ["updateDisplay"]
              onOccurred: resultText.text = event.data.display
          }
      }

      Rectangle {
          id: resultArea
          anchors.left: parent.left
          anchors.right: parent.right
          anchors.top: parent.top
          height: parent.height * 3 / 8 - 10
          border.color: "white"
          border.width: 1
          color: "#46a2da"
          Text {
              id: resultText
              anchors.leftMargin: buttons.implicitMargin
              anchors.rightMargin: buttons.implicitMargin
              anchors.fill: parent
              horizontalAlignment: Text.AlignRight
              verticalAlignment: Text.AlignVCenter
              text: "0"
              color: "white"
              font.pixelSize: window.height * 3 / 32
              font.family: "Open Sans Regular"
              fontSizeMode: Text.Fit
          }
      }

      Item {
          id: buttons
          anchors.top: resultArea.bottom
          anchors.left: parent.left
          anchors.right: parent.right
          anchors.bottom: parent.bottom
          property real implicitMargin: {
              var ret = 0;
              for (var i = 0; i < visibleChildren.length; ++i) {
                  var child = visibleChildren[i];
                  ret += (child.implicitMargin || 0);
              }
              return ret / visibleChildren.length;
          }

          Repeater {
              id: operations
              model: ["÷", "×", "+", "-"]
              Button {
                  y: 0
                  x: index * width
                  width: parent.width / 4
                  height: parent.height / 5
                  color: pressed ? "#5caa15" : "#80c342"
                  text: modelData
                  fontHeight: 0.4
                  onClicked: statemachine.submitEvent(eventName)
                  property string eventName: {
                      switch (text) {
                      case "÷": return "OPER.DIV"
                      case "×": return "OPER.STAR"
                      case "+": return "OPER.PLUS"
                      case "-": return "OPER.MINUS"
                      }
                  }
              }
          }

          Repeater {
              id: digits
              model: ["7", "8", "9", "4", "5", "6", "1", "2", "3", "0", ".", "C"]
              Button {
                  x: (index % 3) * width
                  y: Math.floor(index / 3 + 1) * height
                  width: parent.width / 4
                  height: parent.height / 5
                  color: pressed ? "#d6d6d6" : "#eeeeee"
                  text: modelData
                  onClicked: statemachine.submitEvent(eventName)
                  property string eventName: {
                      switch (text) {
                      case ".": return "POINT"
                      case "C": return "C"
                      default: return "DIGIT." + text
                      }
                  }
              }
          }

          Button {
              id: resultButton
              x: 3 * width
              y: parent.height / 5
              textHeight: y - 2
              fontHeight: 0.4
              width: parent.width / 4
              height: y * 4
              color: pressed ? "#e0b91c" : "#face20"
              text: "="
              onClicked: statemachine.submitEvent("EQUALS")
          }
      }
  }

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