Coffee Machine Example | Qt 5.13

Qt 5.13 | Coffee Machine Example

Qt 5.13.2 Reference Documentation

# Coffee Machine Example

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      import QtQuick 2.4
      import QtQuick.Controls 2.0
      import QtQuick.Layouts 1.3
      import Coffee 1.0

      Item {
          id: root

          width: Constants.width + Constants.leftSideBarWidth
          height: Constants.height

          property alias milkSlider: milkSlider
          property alias sugarSlider: sugarSlider

          property alias brewButtonSelection: brewButtonSelection
          property bool selected: false
          property alias brewButton: brewButton
          property alias sideBar: sideBar
          property alias backButton: backButton

          property alias questionVisible: cup.questionVisible

          property real coffeeAmount: 5

          property bool inSettings: false

          state: "initial state"

          Rectangle {
              id: rectangle
              color: Constants.backgroundColor
              anchors.fill: parent
          }

          Rectangle {
              id: rightSideBar

              x: 658
              y: 0
              width: Constants.leftSideBarWidth
              height: 768
              color: "#eec1a2"
              visible: false
              anchors.right: parent.right

              Column {
                  spacing: 32
                  anchors.bottom: brewButton.top
                  anchors.bottomMargin: 100
                  anchors.horizontalCenter: parent.horizontalCenter

                  Slider {
                      id: milkSlider
                      width: 256
                      height: 48

                      to: 10
                      value: 6

                      Image {
                          x: 48
                          y: -12
                          source: "images/icons/contents/milk.png"
                      }
                  }
                  Slider {
                      id: sugarSlider

                      width: 256
                      height: 48
                      to: 10
                      stepSize: 1
                      value: 0

                      Image {
                          x: 48
                          y: -12
                          source: "images/icons/contents/sugar.png"
                      }
                  }
              }

              NavigationButton {
                  id: brewButton

                  text: "Brew"
                  anchors.bottom: parent.bottom
                  anchors.right: parent.right
                  anchors.rightMargin: Constants.defaultMargin
                  anchors.bottomMargin: Constants.defaultMargin
              }
          }

          SideBar {
              id: sideBar
              width: Constants.leftSideBarWidth
          }

          states: [
              State {
                  name: "initial state"
                  when: !root.selected && !root.inSettings
              },
              State {
                  name: "selected state"
                  when: root.selected

                  PropertyChanges {
                      target: cup

                      questionVisible: false
                      visible: true
                  }

                  PropertyChanges {
                      target: brewButton
                      visible: true
                  }

                  PropertyChanges {
                      target: brewButtonSelection
                      visible: true
                  }
              },
              State {
                  name: "settings"
                  when: root.inSettings
                  PropertyChanges {
                      target: cup
                      x: 354
                      y: 0
                      questionVisible: false
                      visible: true
                      milkAmount: milkSlider.value
                      sugarAmount: sugarSlider.value
                  }

                  PropertyChanges {
                      target: brewButton
                      visible: true
                  }

                  PropertyChanges {
                      target: backButton
                      opacity: 1
                  }

                  PropertyChanges {
                      target: rightSideBar
                      visible: true
                  }
              }
          ]

          CupForm {
              id: cup
              anchors.right: rightSideBar.left
              anchors.left: sideBar.right
              visible: true
              milkAmount: sideBar.currentMilk
              coffeeAmount: sideBar.currentCoffeeAmount
              coffeeLabel: sideBar.currentCoffee
              questionVisible: true
          }
          NavigationButton {
              id: backButton
              text: "Back"
              opacity: 0
              anchors.leftMargin: Constants.defaultMargin
              anchors.bottom: parent.bottom
              anchors.left: sideBar.right
              anchors.bottomMargin: Constants.defaultMargin
              forward: false
          }

          NavigationButton {
              id: brewButtonSelection

              anchors.left: sideBar.right
              anchors.leftMargin: Constants.defaultMargin
              anchors.bottom: parent.bottom
              anchors.bottomMargin: Constants.defaultMargin
              visible: false
          }
      }