macOS Control Center - MCC

In this example I added a performant way to get the now playing information. It requires BTT 3.294 alpha to work correctly. The marquee is not yet updated correctly - I think the code for this should be changed a bit but I didn't want to modify your stuff too much.

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<!DOCTYPE html>

<html
  xmlns="http://www.w3.org/1999/xhtml"
  xml:lang="tr"
  lang="tr"
  class="BTTDraggable"
>
  <head>
    <meta
      http-equiv="content-type"
      content="text/html/javascript; charset=utf-8"
    />

    <script>
      async function bttRequest(requestPath) {
        const response = await fetch(requestPath);
        const responseText = await response.text();
        return responseText;
      }

      async function NowPlaying() {
        let album = await bttRequest(
          "bttweb://get_string_variable/?variableName=BTTNowPlayingInfoAlbum"
        );
        console.log("album", album);

        let song = await bttRequest(
          "bttweb://get_string_variable/?variableName=BTTNowPlayingInfoTitle"
        );

        let artist = await bttRequest(
          "bttweb://get_string_variable/?variableName=BTTNowPlayingInfoArtist"
        );
        console.log("artist", artist);

        let playingstatus = await bttRequest(
          "bttweb://get_number_variable/?variableName=BTTCurrentlyPlaying"
        );

        document.getElementById("mccnpa").innerHTML = song;

        document.getElementById("mccnpt").innerHTML = artist + " - " + album;

        if (playingstatus == 1) {
          document.getElementById("playpause").src =
            "presetfile://MCC/MCT_PP.png";
        } else if (playingstatus == 0) {
          document.getElementById("playpause").src =
            "presetfile://MCC/MCT_P.png";
        }

        function isElementOverflowing(element) {
          var overflowX = element.offsetWidth < element.scrollWidth;
          return overflowX;
        }

        function wrapContentsInMarquee(element) {
          var marquee = document.createElement("marquee"),
            contents = element.innerText;

          marquee.innerText = contents;
          element.innerHTML = "";
          element.appendChild(marquee);
          marquee.style = "margin-top:-7px";
          marquee.attr = "truespeed=5";
        }

        var elements = document.getElementsByClassName("overflow");

        for (var i = 0; i < elements.length; i++) {
          if (isElementOverflowing(elements[i])) {
            wrapContentsInMarquee(elements[i]);
          }
        }
      }

      async function BTTNotification(note) {
        console.log("received BTT notification", JSON.parse(note));

        NowPlaying();
      }

      async function updateCurentlyPlaying() {
        let currentlyPlaying = await bttRequest(
          "bttweb://get_number_variable/?variableName=BTTCurrentlyPlaying"
        );
        console.log("currentlyPlaying", currentlyPlaying);
      }

      function BTTInitialize() {
        updateCurentlyPlaying();
        NowPlaying();
        var BrightnessVolumeCheck = setInterval(BrightnessVolumeCheck, 500);

        function BrightnessVolumeCheck() {
          window.BTT.callHandler(
            "get_number_variable",
            { variableName: "BuiltInDisplayBrightness" },
            function callback(BrightnessCheck) {
              document.getElementById("brirange").value = BrightnessCheck * 100;
              briicon(BrightnessCheck * 100);
            }
          );
          window.BTT.callHandler(
            "get_number_variable",
            { variableName: "OutputVolume" },
            function callback(VolumeCheck) {
              document.getElementById("volrange").value = VolumeCheck * 100;
              volicon(VolumeCheck * 100);
            }
          );
        }

        var NetworkCheck = setInterval(NetworkCheck, 500);

        function NetworkCheck() {
          window.BTT.callHandler(
            "trigger_named",
            { trigger_name: "mccgns" },
            function callback(scriptResult) {
              if (scriptResult == "Off-0") {
                document.getElementById("bgcirmp").style.background = "#2050C5";
              } else if (scriptResult == "Off-1") {
                document.getElementById("bgcirmp").style.background = "#3d3d3d";
              } else if (scriptResult == "On-1") {
                document.getElementById("bgcirmp").style.background = "#3d3d3d";
              } else if (scriptResult == "On-0") {
                document.getElementById("bgcirmp").style.background = "#3d3d3d";
              }

              var wrst = scriptResult.split("-")[0];

              if (wrst == "On") {
                document.getElementById("bgcirwr").style.background = "#2050C5";
              } else if (wrst == "Off") {
                document.getElementById("bgcirwr").style.background = "#3d3d3d";
              }

              var btst = scriptResult.split("-")[1];

              if (btst == 1) {
                document.getElementById("bgcirbt").style.background = "#2050C5";
              } else if (btst == 0) {
                document.getElementById("bgcirbt").style.background = "#3d3d3d";
              }

              document.getElementById("ntrange").innerText = scriptResult;
            }
          );
        }

        document.body.classList.add("slideInDown");

        document.addEventListener("contextmenu", event =>
          event.preventDefault()
        );
      }

      function BTTWillCloseWindow() {
        document.body.classList.remove("slideInDown");

        clearInterval(BrightnessVolumeCheck);
        clearInterval(NetworkCheck);
      }
    </script>

    <style type="text/css">

      html {
          -webkit-touch-callout: none;
          -webkit-user-select: none;
          user-select: none;
          cursor: default;
          background-color: clear;
          }

      bdbg {
          position:absolute;
          display: block;
          -webkit-backdrop-filter: blur(36px) saturate(200%);
          background-color: rgba(32, 32, 32, 0.6);
          border-radius: 24px;
          -webkit-animation: backdrop 5s ease infinite;
          animation: backdrop 5s ease infinite;
          -webkit-box-shadow:
          0px 12px 24px rgba(0,0,0,.6),
          0px 9px 18px rgba(0,0,0,.3),
          }

      .bt { opacity: .6; }

      .bt:active { opacity: .8 }

      .overflow {
          font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue';
          color: #ffffff;
          white-space: nowrap;
          max-width: 360px;
          overflow: hidden;
      }

      Marquee {
          -webkit-marquee-increment: 2px;
          -webkit-marquee-repetition: infinite;
          -webkit-marquee-speed: fast;
              }

      a:link,a:visited,a:hover,a:active {
      text-decoration: none;
      }

      bgbbox {
          display: inline-block;
          vertical-align: middle;
          margin: 5px;
          width: 122px;
          height: 122px;
          background-color: rgba(12, 12, 12, 0.8);
          border-radius: 12px;
          }

      bgbbox:hover {
          -webkit-transform: scale(1.05);
          -webkit-transition: all 300ms;
          }

      .bgsbox {
          display: block;
          margin: 5px;
          width: 56px;
          height: 56px;
          background-color: rgba(12, 12, 12, 0.8);
          border-radius: 12px;
          }

      .bgsbox:hover {
          -webkit-transform: scale(1.1);
          -webkit-transition: all 300ms;
          }

      bgvrec {
          display: block;
          margin: 5px;
          width: 56px;
          height: 122px;
          background-color: rgba(12, 12, 12, 0.8);
          border-radius: 12px;
          vertical-align: bottom;
          }

      bghrec {
          display: block;
          margin: 5px;
          width: 122px;
          height: 56px;
          background-color: rgba(12, 12, 12, 0.8);
          border-radius: 12px;
          }

      bghrec:hover {
          -webkit-transform: scale(1.05);
          -webkit-transition: all 300ms;
          }

      bat {
          position: absolute;
          font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue';
          font-weight: 500;
          font-size: 11px;
          margin-top: 12px;
          margin-left: -32px;
          color: #ffffff
          }

      bgarec {
          display: block;
          margin: 5px;
          width: 122px;
          height: 36px;
          background-color: transparent;
          border-radius: 12px;
          }

      bgarec:hover {
          -webkit-transform: scale(1.05);
          -webkit-transition: all 300ms;
          }

      bgarec2 {
          display: none;
          margin: 5px;
          width: 122px;
          height: 36px;
          background-color: rgba(12, 12, 12, 0.8);
          border-radius: 12px;
          }

      bgarec2:hover {
          -webkit-transform: scale(1.05);
          -webkit-transition: all 300ms;
          }

      .bgarecbt {
          display: inline-flex;
          margin-top: 2px;
          padding: 1px;
          z-index: 99999;
          }

      .bgarecbt:hover{
          background-color: rgba(128, 128, 128, 0.6);
          border-radius: 10px;
          }

      aarea {
          position: absolute;
          padding: 5px;
          margin-top;-6px;
          margin-left: -55px;
          }

      #clsbt {
          z-index: 99999;
          }

      #clsbt {
          z-index: 99999;
          opacity: 1;
          }

      .bgcir {
          display: inline-grid;
          margin: 4px;
          width: 44px;
          height: 44px;
          background : #3d3d3d;
          border-radius: 22px;
          }

      #ntrange{
          color: transparent;
          position: absolute;
           }

      input[type="range"] {
          outline: 0;
          border: 0;
          border-radius: 12px;
          width: 122px;
          }

      input[type="range"] {
          overflow: hidden;
          height: 56px;
          -webkit-appearance: none;
          background-color: rgba(12, 12, 12, 0.8);
          }

      input[type="range"]::-webkit-slider-runnable-track {
          height: 56px;
          -webkit-appearance: none;
          color: #444;
          }

      input[type="range"]::-webkit-slider-thumb {
          width: 0px;
          -webkit-appearance: none;
          height: 56px;
          right: -20px;
          cursor: ew-resize;
          position: relative;
          box-shadow: -340px 0 0 320px rgba(256, 256, 256, 0.6);
          }

      sliderimg{
          position: absolute;
          -webkit-user-select: none;
          z-index: 99990;
          margin-left: 5px;
          margin-top: 32px;
          pointer-events:none;
          opacity: 0.8;
           }

      .vertical-slider {
          -webkit-transform:rotate(270deg);
          transform-origin: 50% 50%;
          margin-left: -28px;
          margin-right: -32px;
          }

      bott { display: block; }

      bgsrec {
          display: block;
          margin: 5px;
          width: 56px;
          height: 36px;
          background-color: rgba(12, 12, 12, 0.8);
          border-radius: 12px;
          }

      bgsrec:hover {
          transform: scale(1.1);
          transition: all 300ms;
          }

      .slideInDown { -webkit-animation-name: slideInDown; -webkit-animation-duration:0.2s; }

      @-webkit-keyframes slideInDown {
          0% { -webkit-transform: translate(0, -600px);}
          100% { -webkit-transform: translate(0, 0); visibility: visible; }
          }

      @-webkit-keyframes backdrop {
          0%{-webkit-backdrop-filter: blur(36px)}
          100%{-webkit-backdrop-filter: blur(36px)}
          }
    </style>

    <body
      align="center"
      scroll="no"
      style="overflow: hidden; margin-top: 40px;"
      class="BTTDraggable"
    >
      <bdbg class="BTTDraggable">
        <table
          class="BTTDraggable"
          align="center"
          width="100%"
          style="padding-left: 28px; padding-right: 28px; margin-top: 10px;"
        >
          <td align="center" width="32%" valign="center" class="BTTDraggable">
            <div class="BTTDraggable">
              <span id="clock24" class="BTTDraggable"></span><br />
              <span id="clockdate" class="BTTDraggable"></span>
            </div>
          </td>

          <td width="7%" class="BTTDraggable"></td>

          <td align="center" width="61%" valign="center" class="BTTDraggable">
            <p
              id="mediacontrols"
              align="center"
              style="padding-top:5px"
              class="BTTDraggable"
            >
              <a
                class="bt"
                href="bttweb://trigger_action/?json={%22BTTPredefinedActionType%22:26}"
                ><img
                  id="beardedspiceback"
                  src="presetfile://MCC/MCT_BCB.png"
                  width="56"
                  height="38"
                  draggable="false"
                />
              </a>
              <a
                class="bt"
                href="bttweb://trigger_action/?json={%22BTTPredefinedActionType%22:26}"
                ><img
                  id="back"
                  src="presetfile://MCC/MCT_B.png"
                  width="56"
                  height="38"
                  draggable="false"
                />
              </a>
              <a
                class="bt"
                href="bttweb://trigger_action/?json={%22BTTPredefinedActionType%22:23}"
                ><img
                  id="playpause"
                  src="presetfile://MCC/MCT_P.png"
                  width="56"
                  height="38"
                  draggable="false"
                />
              </a>
              <a
                class="bt"
                href="bttweb://trigger_action/?json={%22BTTPredefinedActionType%22:27}"
              >
                <img
                  id="forward"
                  src="presetfile://MCC/MCT_F.png"
                  width="56"
                  height="38"
                  draggable="false"
                />
              </a>
              <a
                class="bt"
                href="bttweb://trigger_action/?json={%22BTTPredefinedActionType%22:27}"
              >
                <img
                  id="beardedspiceforward"
                  src="presetfile://MCC/MCT_BCF.png"
                  width="56"
                  height="38"
                  draggable="false"
                />
              </a>
            </p>

            <div
              class="overflow BTTDraggable"
              style="font-size:15px;font-weight: 500; color:#c1c1c1; margin-top:-7px"
            >
              <span
                id="mccnpa"
                onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccnpr',closeFloatingHTMLMenu: 1})"
                >MacOS</span
              >
            </div>
            <div
              class="overflow BTTDraggable"
              style="font-size:13px;font-weight:400; color:#9d9d9d;"
            >
              <span
                id="mccnpt"
                onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccnpr',closeFloatingHTMLMenu: 1})"
                >Control Center</span
              >
            </div>
          </td>
        </table>

        <table
          align="center"
          valign="center"
          border="0"
          cellspacing="0"
          cellpadding="0"
          width="100%"
       
          style="padding-left: 28px; padding-right: 34px; margin-top: 0px;"
        >
          <td id="network" class="BTTDraggable">
            <bgbbox valign="center" align="center" class="BTTDraggable">
              <p
                style="margin-bottom: 4px; margin-top: 7px;"
                class="BTTDraggable"
              >
                <!-- AIRPLANE MODE -->
                <a class="bgcir" id="bgcirmp">
                  <img
                    src="presetfile://MCC/N_FLIGHT.png"
                    height="44"
                    width="44"
                    draggable="false"
                    onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccfli'})"
                  />
                </a>
                <!-- AIRDROP -->
                <a class="bgcir" id="bgcirad">
                  <img
                    src="presetfile://MCC/N_AIRDROP.png"
                    height="44"
                    width="44"
                    draggable="false"
                    onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccairdrop',closeFloatingHTMLMenu: 1})"
                  />
                </a>
              </p>
              <p style="margin-top: 4px;">
                <!-- WIRELESS -->
                <a class="bgcir" id="bgcirwr">
                  <img
                    src="presetfile://MCC/N_WIRELESS.png"
                    height="44"
                    width="44"
                    draggable="false"
                    onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccwir'})"
                  />
                </a>
                <!-- BLUETOOTH -->
                <a
                  class="bgcir"
                  id="bgcirbt"
                  href="bttweb://trigger_action/?json={%22BTTPredefinedActionType%22:279}"
                >
                  <img
                    src="presetfile://MCC/N_BLUETOOTH.png"
                    height="44"
                    width="44"
                    draggable="false"
                    onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccblu'})"
                  />

                  <span id="ntrange"></span
                  ><!-- FOR VALUE CHECK -->
                </a>
              </p>
            </bgbbox>
          </td>

          <td id="middleSection" class="BTTDraggable">
            <p style="display: flex; margin-bottom: 0;" class="BTTDraggable">
              <bghrec class="BTTDraggable">
                <!-- BATTERY BOOST -->
                <img
                  src="presetfile://MCC/BATTERY.png"
                  align="left"
                  width="56"
                  height="56"
                  draggable="false"
                />

                <bat
                  onmouseover="this.style.color='greenyellow';"
                  onmouseout="this.style.color='';"
                >
                  Battery </bat
                ><br />

                <bat
                  onmouseover="this.style.color='yellow';"
                  onmouseout="this.style.color='';"
                >
                  Boost
                </bat>
              </bghrec>

              <!-- DISPLAY MIRRORING TOGGLE -->
              <a
                class="bgsbox"
                href="bttweb://trigger_action/?json={%22BTTPredefinedActionType%22:266}"
              >
                <img
                  src="presetfile://MCC/MIRROR.png"
                  width="56"
                  height="56"
                  draggable="false"
                  onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccdisplay'})"
                />
              </a>
              <!-- MONITOR MODE -->
              <a class="bgsbox">
                <img
                  src="presetfile://MCC/MONITOR.png"
                  width="56"
                  height="56"
                  draggable="false"
                  onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccmonitor'})"
                />
              </a>
              <!-- SCREENSHOT WITH RECTANGLE -->
              <a class="bgsbox">
                <img
                  src="presetfile://MCC/SCRECT.png"
                  width="56"
                  height="56"
                  draggable="false"
                  onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccsc',closeFloatingHTMLMenu: 1})"
                />
              </a>
              <!-- SCREEN RECORD -->
              <a class="bgsbox">
                <img
                  src="presetfile://MCC/SCRECORD.png"
                  width="56"
                  height="56"
                  draggable="false"
                  onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccscrec',closeFloatingHTMLMenu: 1})"
                />
              </a>
            </p>

            <p style="display: flex; margin-top: 0;">
              <!-- BTT PRESET TOGGLE -->
              <a class="bgsbox">
                <img
                  src="presetfile://MCC/BTT_TOGGLE.png"
                  width="56"
                  height="56"
                  draggable="false"
                  onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccbtt'})"
                />
              </a>
              <!-- MACS FAN CONTROL LAUNCHER -->
              <a class="bgsbox">
                <img
                  src="presetfile://MCC/MACSFAN.png"
                  width="56"
                  height="56"
                  draggable="false"
                  onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccmfan'})"
                />
              </a>
              <!-- SMOOZE LAUNCHER -->
              <a class="bgsbox">
                <img
                  src="presetfile://MCC/SCROLL.png"
                  width="56"
                  height="56"
                  draggable="false"
                  onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccsmooze'})"
                />
              </a>
              <!-- ANTISLEEP LAUNCHER -->
              <a class="bgsbox">
                <img
                  src="presetfile://MCC/ASLEEP.png"
                  width="56"
                  height="56"
                  draggable="false"
                  onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccasleep'})"
                />
              </a>
              <!-- DARK MODE TOGGLE -->
              <a
                class="bgsbox"
                href="bttweb://trigger_action/?json={%22BTTPredefinedActionType%22:197}"
              >
                <img
                  src="presetfile://MCC/DARKM.png"
                  width="56"
                  height="56"
                  draggable="false"
                />
              </a>
              <!-- NIGHTSHIFT TOGGLE -->
              <a
                class="bgsbox"
                href="bttweb://trigger_action/?json={%22BTTPredefinedActionType%22:201}"
              >
                <img
                  src="presetfile://MCC/NSHIFT.png"
                  width="56"
                  height="56"
                  draggable="false"
                />
              </a>
            </p>
          </td>

          <td id="sliders">
            <p>
              <sliderimg>
                <!-- BRIGHTNESS SLIDER -->
                <img
                  id="briimg"
                  src="presetfile://MCC/S_BRIGHTNESS.png"
                  width="56"
                  height="56"
                  draggable="false"
                />
              </sliderimg>

              <input
                id="brirange"
                class="range vertical-slider"
                type="range"
                min="0"
                max="100"
                step="1"
                value=""
                oninput="brifuncval(this.value)"
                onchange="brifuncval(this.value)"
              />

              <sliderimg>
                <!-- VOLUME SLIDER -->
                <img
                  id="volimg"
                  src="presetfile://MCC/S_VOLUME.png"
                  width="56"
                  height="56"
                  draggable="false"
                />
              </sliderimg>

              <input
                id="volrange"
                class="range vertical-slider"
                type="range"
                min="0"
                max="100"
                step="1"
                value=""
                oninput="volfuncval(this.value)"
                onchange="volfuncval(this.value)"
                oncontextmenu="volrc(this.value)"
              />
            </p>
          </td>
        </table>

        <p style="display: flex; margin-top: -10px; padding-left: 28px"           class="BTTDraggable"
        >
          <bgsrec>
            <!-- COPY TO -->
            <img
              src="presetfile://MCC/BT_COPY_TO.png"
              width="56"
              height="36"
              draggable="false"
              onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mcccop',closeFloatingHTMLMenu: 1})"
            />
          </bgsrec>

          <bgsrec >
            <!-- MOVE TO -->
            <img
              src="presetfile://MCC/BT_MOVE_TO.png"
              width="56"
              height="36"
              draggable="false"
              onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccmove',closeFloatingHTMLMenu: 1})"
            />
          </bgsrec >

          <bgsrec>
            <!-- ALIAS TO -->
            <img
              src="presetfile://MCC/BT_ALIAS_TO.png"
              width="56"
              height="36"
              draggable="false"
              onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccalias',closeFloatingHTMLMenu: 1})"
            />
          </bgsrec>

          <bgsrec>
            <img
              src="presetfile://MCC/BT_ALIAS_PRE.png"
              width="56"
              height="36"
              draggable="false"
            />
          </bgsrec>

          <bgsrec>
            <!-- CREATE TEXT -->
            <img
              src="presetfile://MCC/BT_TEXT.png"
              width="56"
              height="36"
              draggable="false"
              onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mcctext',closeFloatingHTMLMenu: 1})"
            />
          </bgsrec>

          <bgsrec>
            <!-- ADD TO FONT LIBRARY -->
            <img
              src="presetfile://MCC/BT_FONT.png"
              width="56"
              height="36"
              draggable="false"
              onClick="window.BTT.callHandler('trigger_named',{trigger_name: 'mccfont',closeFloatingHTMLMenu: 1})"
            />
          </bgsrec>

          <bgsrec>
            <img
              src="presetfile://MCC/BT_DOWN.png"
              width="56"
              height="36"
              draggable="false"
            />
          </bgsrec>

          <bgsrec>
            <!-- CREATE CALENDAR EVENT -->
            <img
              src="presetfile://MCC/BT_CALENDAR.png"
              width="56"
              height="36"
              draggable="false"
            />
          </bgsrec>

          <bgarec id="bgarec" align="center">
            <!-- APPLE LOGO -->
            <img
              src="presetfile://MCC/BT_APPLE.png"
              width="56"
              height="36"
              draggable="false"
              onclick="bgarec.style.display='none'; bgarec2.style.display='block';"
            />
          </bgarec>

          <bgarec2
            id="bgarec2"
            align="center"
            onclick="mouseleave ()"
            class="scaleside"
          >
            <aarea onmouseleave="mouseleave()">
              <!-- SLEEP -->
              <a
                class="bgarecbt"
                href="bttweb://trigger_action/?json={%22BTTPredefinedActionType%22:14&closeFloatingHTMLMenu=1}"
              >
                <img
                  src="presetfile://MCC/HV_SLEEP.png"
                  width="20"
                  height="20"
                  draggable="false"
                />
              </a>
              <!-- LOG OFF -->
              <a
                class="bgarecbt"
                href="bttweb://trigger_action/?json={%22BTTPredefinedActionType%22:14&closeFloatingHTMLMenu=1}"
              >
                <img
                  src="presetfile://MCC/HV_LOGOFF.png"
                  width="20"
                  height="20"
                  draggable="false"
                />
              </a>
              <!-- RESTART -->
              <a
                class="bgarecbt"
                href="bttweb://trigger_named/?trigger_name=mccrestart&closeFloatingHTMLMenu=1"
              >
                <img
                  src="presetfile://MCC/HV_RESTART.png"
                  width="20"
                  height="20"
                  draggable="false"
                />
              </a>
              <!-- SHUTDOWN -->
              <a
                class="bgarecbt"
                href="bttweb://trigger_named/?trigger_name=mccshutdown&closeFloatingHTMLMenu=1"
              >
                <img
                  src="presetfile://MCC/HV_SHUTDOWN.png"
                  width="20"
                  height="20"
                  draggable="false"
                />
              </a>
            </aarea>
          </bgarec2>
        </p>

        <div
          class="clsbt BTTDraggable"
          align="center"
          valign="center"
          style="margin-top: -10px; margin-bottom: 6px;opacity: 0.3"
        >
          <!-- CLOSE ARROW -->
          <a href="bttweb://trigger_action/?json={%22&closeFloatingHTMLMenu=1}"
            ><img
              src="presetfile://MCC/CLOSE_BT.png"
              width="56"
              height="16"
              draggable="false"
            />
          </a>
        </div>
      </bdbg>

      <script type="text/javascript">
        function GetClock() {
          var d = new Date();
          var nhour = d.getHours(),
            nmin = d.getMinutes();
          if (nmin <= 9) nmin = "0" + nmin;
          if (nhour <= 9) nhour = "0" + nhour;
          var clocktext1 = "" + nhour + ":" + nmin + "";
          clock24.style.fontSize = "72px";
          clock24.style.color = "#D3D3D3";
          clock24.style.fontFamily = "-apple-system";
          clock24.style.fontWeight = "200";
          clock24.style.letterSpacing = "-0.03em";
          clock24.style.textAlign = "center";
          clock24.style.paddingRight = "8px";
          document.getElementById("clock24").innerHTML = clocktext1;
          var tday = [
            "Sunday",
            "Monday",
            "Tuesday",
            "Wednesday",
            "Thursday",
            "Friday",
            "Saturday"
          ];
          var tmonth = [
            "January",
            "February",
            "March",
            "April",
            "May",
            "June",
            "July",
            "August",
            "September",
            "October",
            "November",
            "December"
          ];
          var nday = d.getDay(),
            nmonth = d.getMonth(),
            ndate = d.getDate();
          var clocktext2 =
            " " + ndate + " " + tmonth[nmonth] + " " + tday[nday] + " ";
          clockdate.style.fontSize = "16px";
          clockdate.style.color = "#D3D3D3";
          clockdate.style.fontFamily = "-apple-system";
          clockdate.style.fontWeight = "400";
          clockdate.style.textAlign = "center";
          document.getElementById("clockdate").innerHTML = clocktext2;
        }

        GetClock();
        var interval = window.setInterval(GetClock, 200);

        var volval = document.getElementById("volrange").value;

        function volfuncval(volval) {
          volicon(volval);
          volsync(volval);
        }

        function volicon(volval) {
          if (volval == 0) {
            document.getElementById("volimg").src =
              "presetfile://MCC/S_VOLUME_1.png";
          } else if (volval <= 30) {
            document.getElementById("volimg").src =
              "presetfile://MCC/S_VOLUME_2.png";
          } else if (volval > 30 && volval <= 65) {
            document.getElementById("volimg").src =
              "presetfile://MCC/S_VOLUME_3.png";
          } else if (volval > 65) {
            document.getElementById("volimg").src =
              "presetfile://MCC/S_VOLUME_4.png";
          }
        }

        function volsync(volval) {
          {
            window.BTT.callHandler("set_number_variable", {
              variableName: "OutputVolume",
              to: volval / 100
            });
          }
        }

        function volrc(volval) {
          {
            window.BTT.callHandler("set_number_variable", {
              variableName: "OutputVolume",
              to: 0
            });
          }
        }

        var brival = document.getElementById("brirange").value;

        function brifuncval(brival) {
          briicon(brival);
          brisync(brival);
        }

        function briicon(brival) {
          if (brival <= 25) {
            document.getElementById("briimg").src =
              "presetfile://MCC/S_BRIGHTNESS_1.png";
          } else if (brival > 25 && brival <= 50) {
            document.getElementById("briimg").src =
              "presetfile://MCC/S_BRIGHTNESS_2.png";
          } else if (brival > 50 && brival <= 75) {
            document.getElementById("briimg").src =
              "presetfile://MCC/S_BRIGHTNESS_3.png";
          } else if (brival > 75) {
            document.getElementById("briimg").src =
              "presetfile://MCC/S_BRIGHTNESS_4.png";
          }
        }

        function brisync(brival) {
          {
            window.BTT.callHandler("set_number_variable", {
              variableName: "BuiltInDisplayBrightness",
              to: brival / 100
            });
          }
        }

        function mouseleave() {
          document.getElementById("bgarec").style.display = "block";
          document.getElementById("bgarec2").style.display = "none";
        }
      </script>
    </body>
  </head>
</html>

You can see all available variables in the BTT settings, however not all of them are updated regularly:

By the way, the best way to debug this is to open the Safari Dev Tools (you need to enable Safari developer mode, afterwards you can debug the MCC.html file as soon as it is being shown by BTT)

I'm using the bttweb urls to retrieve the data, but it would also work with the callHandler.

I also added the new BTTDraggable class to most elements, which makes the window draggable.