Qt 5.6 | Qt Quick | Qt Quick Examples - Views | PressAndHoldButton.qml Example File

Qt 5.6.3 Reference Documentation

# PressAndHoldButton.qml Example File

views/listview/content/PressAndHoldButton.qml

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      import QtQuick 2.0

      Image {
          id: container

          property int repeatDelay: 300
          property int repeatDuration: 75
          property bool pressed: false

          signal clicked

          scale: pressed ? 0.9 : 1

          function release() {
              autoRepeatClicks.stop()
              container.pressed = false
          }

          SequentialAnimation on pressed {
              id: autoRepeatClicks
              running: false

              PropertyAction { target: container; property: "pressed"; value: true }
              ScriptAction { script: container.clicked() }
              PauseAnimation { duration: repeatDelay }

              SequentialAnimation {
                  loops: Animation.Infinite
                  ScriptAction { script: container.clicked() }
                  PauseAnimation { duration: repeatDuration }
              }
          }

          MouseArea {
              anchors.fill: parent

              onPressed: autoRepeatClicks.start()
              onReleased: container.release()
              onCanceled: container.release()
          }
      }