From 890f4fdf96945832d5da078cb795266127cf122d Mon Sep 17 00:00:00 2001
From: skal <pascal.massimino@gmail.com>
Date: Wed, 18 Feb 2026 11:05:37 +0100
Subject: feat(mq_editor): jog sliders for synth params, reset partials on WAV
 load, panel refresh after extract
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- Clear extractedPartials and editor state when loading a new WAV
- After extract, refresh right panels (re-select if index still valid)
- Synth fields (decay, jitter, spread) get jog sliders: drag to nudge, spring-back on release
- Spread extension limit dashed line: alpha 0.4→0.75, lineWidth 1→1.5, dash [3,4]→[4,3]

handoff(Gemini): mq_editor UX polish — jog sliders, WAV reset, panel refresh, spread line visibility

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 tools/mq_editor/editor.js | 55 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 54 insertions(+), 1 deletion(-)

(limited to 'tools/mq_editor/editor.js')

diff --git a/tools/mq_editor/editor.js b/tools/mq_editor/editor.js
index 9cfcdf1..b767534 100644
--- a/tools/mq_editor/editor.js
+++ b/tools/mq_editor/editor.js
@@ -146,8 +146,15 @@ class PartialEditor {
         if (this.viewer) this.viewer.render();
       });
       inputs[p.key] = inp;
+
+      const jog = this._makeJogSlider(inp, partial, index, p, defaults);
+      const wrap = document.createElement('div');
+      wrap.className = 'synth-field-wrap';
+      wrap.appendChild(inp);
+      wrap.appendChild(jog);
+
       grid.appendChild(lbl);
-      grid.appendChild(inp);
+      grid.appendChild(wrap);
     }
 
     // Auto-detect spread button
@@ -173,6 +180,52 @@ class PartialEditor {
     grid.appendChild(autoBtn);
   }
 
+  _makeJogSlider(inp, partial, index, p, defaults) {
+    const slider = document.createElement('div');
+    slider.className = 'jog-slider';
+    const thumb = document.createElement('div');
+    thumb.className = 'jog-thumb';
+    slider.appendChild(thumb);
+
+    const sensitivity = parseFloat(p.step) * 5;
+    let startX = 0, startVal = 0, dragging = false;
+
+    const onMove = (e) => {
+      if (!dragging) return;
+      const dx = e.clientX - startX;
+      const half = slider.offsetWidth / 2;
+      const clamped = Math.max(-half, Math.min(half, dx));
+      thumb.style.transition = 'none';
+      thumb.style.left = `calc(50% - 3px + ${clamped}px)`;
+      const newVal = Math.max(0, startVal + dx * sensitivity);
+      inp.value = newVal.toFixed(3);
+      if (!this.partials || !this.partials[index]) return;
+      if (!this.partials[index].replicas) this.partials[index].replicas = { ...defaults };
+      this.partials[index].replicas[p.key] = newVal;
+      if (this.viewer) this.viewer.render();
+    };
+
+    const onUp = () => {
+      if (!dragging) return;
+      dragging = false;
+      thumb.style.transition = '';
+      thumb.style.left = 'calc(50% - 3px)';
+      document.removeEventListener('mousemove', onMove);
+      document.removeEventListener('mouseup', onUp);
+    };
+
+    slider.addEventListener('mousedown', (e) => {
+      dragging = true;
+      startX   = e.clientX;
+      startVal = Math.max(0, parseFloat(inp.value) || 0);
+      document.addEventListener('mousemove', onMove);
+      document.addEventListener('mouseup', onUp);
+      e.preventDefault();
+    });
+
+    return slider;
+  }
+
   _makeCurveUpdater(partialIndex, curveKey, field, pointIndex) {
     return (e) => {
       if (!this.partials) return;
-- 
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