FROG/Examples/03_ui_property_write/main.frog at main · Graiphic/FROG · GitHub

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{
  "spec_version": "0.1",

  "metadata": {
    "name": "UI Property Write",
    "summary": "Minimal object-style widget interaction example using widget_reference and frog.ui.property_write.",
    "description": "Receives a public string input and writes it to the label.text property of a front-panel widget.",
    "author": "Graiphic",
    "program_version": "0.1.0",
    "tags": ["example", "ui", "widget_reference", "property_write", "minimal"],
    "is_example": true,
    "license": "Apache-2.0"
  },

  "interface": {
    "inputs": [
      {
        "id": "status",
        "type": "string"
      }
    ],
    "outputs": []
  },

  "diagram": {
    "nodes": [
      {
        "id": "status_text",
        "kind": "interface_input",
        "interface_port": "status"
      },
      {
        "id": "ctrl_gain_ref",
        "kind": "widget_reference",
        "widget": "ctrl_gain"
      },
      {
        "id": "write_label_text",
        "kind": "primitive",
        "type": "frog.ui.property_write",
        "widget_member": {
          "part": "label",
          "member": "text"
        }
      }
    ],
    "edges": [
      {
        "id": "e1",
        "from": { "node": "status_text", "port": "value" },
        "to":   { "node": "write_label_text", "port": "value" }
      },
      {
        "id": "e2",
        "from": { "node": "ctrl_gain_ref", "port": "ref" },
        "to":   { "node": "write_label_text", "port": "ref" }
      }
    ]
  },

  "front_panel": {
    "canvas": {
      "width": 420,
      "height": 160
    },
    "widgets": [
      {
        "id": "ctrl_gain",
        "role": "control",
        "widget": "frog.ui.standard.numeric_control",
        "value_type": "f64",
        "layout": {
          "x": 20,
          "y": 40,
          "width": 140,
          "height": 28
        },
        "props": {
          "visible": true,
          "enabled": true,
          "minimum": 0.0,
          "maximum": 10.0,
          "step": 0.1,
          "default_value": 1.0
        },
        "parts": {
          "label": {
            "class": "frog.ui.standard.label_part",
            "props": {
              "text": "Initial label",
              "visible": true
            }
          }
        }
      }
    ]
  }
}