Qt 5.7 | Qt Quick | Qt Quick Demo - Tweet Search | ListHeader.qml Example File

Qt 5.7.1 Reference Documentation

# ListHeader.qml Example File

demos/tweetsearch/content/ListHeader.qml

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      import QtQuick 2.0

      Item {
          height: 60
          width: parent.width

          property bool refresh: state == "pulled" ? true : false

          Row {
              spacing: 6
              height: childrenRect.height
              anchors.centerIn: parent

              Image {
                  id: arrow
                  source: "resources/icon-refresh.png"
                  transformOrigin: Item.Center
                  Behavior on rotation { NumberAnimation { duration: 200 } }
              }

              Text {
                  id: label
                  anchors.verticalCenter: arrow.verticalCenter
                  text: "Pull to refresh...    "
                  font.pixelSize: 18
                  color: "#999999"
              }
          }

          states: [
              State {
                  name: "base"; when: mainListView.contentY >= -120
                  PropertyChanges { target: arrow; rotation: 180 }
              },
              State {
                  name: "pulled"; when: mainListView.contentY < -120
                  PropertyChanges { target: label; text: "Release to refresh..." }
                  PropertyChanges { target: arrow; rotation: 0 }
              }
          ]
      }