mutter/doc/cookbook/examples/script-states.json

[
  {
    "id" : "stage",
    "type" : "ClutterStage",
    "width" : 300,
    "height" : 300,
    "color" : "#335",

    "signals" : [
      { "name" : "destroy", "handler" : "clutter_main_quit" }
    ],

    "children" : [ "rectangle" ]
  },

  {
    "id" : "rectangle-states",
    "type" : "ClutterState",
    "duration" : 1000,

    "transitions" : [
      {
        "source" : null,
        "target" : "base",

        "keys" : [
          [ "rectangle", "scale-x", "ease-in-cubic", 0.7 ],
          [ "rectangle", "scale-y", "ease-in-cubic", 0.7 ],
          [ "rectangle", "rotation-angle-z", "ease-out-cubic", 0.0 ]
        ]
      },
      {
        "source" : null,
        "target" : "hover",

        "keys" : [
          [ "rectangle", "scale-x", "ease-in-cubic", 1.2 ],
          [ "rectangle", "scale-y", "ease-in-cubic", 1.2 ]
        ]
      },
      {
        "source" : null,
        "target" : "clicked",

        "keys" : [
          [ "rectangle", "rotation-angle-z", "ease-out-bounce", 90.0 ]
        ]
      }
    ]
  },

  {
    "id" : "rectangle",
    "type" : "ClutterRectangle",
    "width" : 200,
    "height" : 200,
    "x" : 50,
    "y" : 50,
    "color" : "#a90",
    "rotation-center-z-gravity" : "center",
    "scale-gravity" : "center",
    "scale-x" : 0.7,
    "scale-y" : 0.7,
    "reactive" : true,

    "signals" : [
      {
        "name" : "enter-event",
        "states" : "rectangle-states",
        "target-state" : "hover"
      },
      {
        "name" : "leave-event",
        "states" : "rectangle-states",
        "target-state" : "base"
      }
    ],

    "actions" : [
      {
        "type" : "ClutterClickAction",
        "signals" : [
          {
            "name" : "clicked",
            "states" : "rectangle-states",
            "target-state" : "clicked"
          }
        ]
      }
    ]
  }
]