Qt 5.13 | Qt Quick Demo - Photo Viewer

Qt 5.13.2 Reference Documentation

# Qt Quick Demo - Photo Viewer

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      import QtQuick 2.0

      Flipable {
          id: flipable

          property alias frontLabel: frontButton.label
          property alias backLabel: backButton.label

          property int angle: 0
          property int randomAngle: Math.random() * (2 * 6 + 1) - 6
          property bool flipped: false

          signal frontClicked
          signal backClicked
          signal tagChanged(string tag)

          front: EditableButton {
              id: frontButton; rotation: flipable.randomAngle
              anchors { centerIn: parent; verticalCenterOffset: -20 }
              onClicked: flipable.frontClicked()
              onLabelChanged: flipable.tagChanged(label)
          }

          back: Button {
              id: backButton; tint: "red"; rotation: flipable.randomAngle
              anchors { centerIn: parent; verticalCenterOffset: -20 }
              onClicked: flipable.backClicked()
          }

          transform: Rotation {
              origin.x: flipable.width / 2; origin.y: flipable.height / 2
              axis.x: 0; axis.y: 1; axis.z: 0
              angle: flipable.angle
          }

          states: State {
              name: "back"; when: flipable.flipped
              PropertyChanges { target: flipable; angle: 180 }
          }

          transitions: Transition {
              ParallelAnimation {
                  NumberAnimation { properties: "angle"; duration: 400 }
                  SequentialAnimation {
                      NumberAnimation { target: flipable; property: "scale"; to: 0.8; duration: 200 }
                      NumberAnimation { target: flipable; property: "scale"; to: 1.0; duration: 200 }
                  }
              }
          }
      }