- Qt 5.15
- Qt Quick Demo - Tweet Search
- Qt 5.15.18 Reference Documentation

# Qt Quick Demo - Tweet Search

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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 }
             }
         ]
     }