1 files changed, 17 insertions, 0 deletions
diff --git a/tools/mq_editor/app.js b/tools/mq_editor/app.js
index 59849da..20224a0 100644
--- a/tools/mq_editor/app.js
+++ b/tools/mq_editor/app.js
@@ -17,6 +17,23 @@ function fmtHz(f) {
 }
 function getSR() { return (typeof audioBuffer !== 'undefined' && audioBuffer) ? audioBuffer.sampleRate : 44100; }
 
+// Params dropdown toggle
+(function() {
+  const btn = document.getElementById('paramsBtn');
+  const panel = document.getElementById('paramsPanel');
+  btn.addEventListener('click', (e) => {
+    e.stopPropagation();
+    const open = panel.classList.toggle('open');
+    btn.classList.toggle('params-open', open);
+  });
+  document.addEventListener('click', (e) => {
+    if (!panel.contains(e.target) && e.target !== btn) {
+      panel.classList.remove('open');
+      btn.classList.remove('params-open');
+    }
+  });
+})();
+
 // LP/HP slider live display
 document.getElementById('lpK1').addEventListener('input', function() {
   const k = parseFloat(this.value);