trying horizontal drag for knobs

notes

@@ -32,15 +32,17 @@ parameters {
 
 TODO {
     immediate frontburner {
-        - SVFilter::normalize()
-        - AudioFrame::clamp()
-        
         revert action
         
         distortion effect
     }
     
-    shift+drag fine tuning for KnobGadget
+    KnobGadget rework {
+        switch to relative position per frame
+        shift+drag fine tuning
+        alt+drag to move reference point without changing value
+        global switch between horizontal and vertical
+    }
     
     automation node {
         listens for one specific param

xybrid/ui/gadgets/knobgadget.cpp

@@ -137,7 +137,7 @@ void KnobGadget::mouseReleaseEvent(QGraphicsSceneMouseEvent* e) {
 
 void KnobGadget::mouseMoveEvent(QGraphicsSceneMouseEvent* e) {
     if (highlighted) {
-        auto tdelta = -(e->screenPos().y() - e->buttonDownScreenPos(Qt::LeftButton).y());
+        auto tdelta = (e->screenPos().x() - e->buttonDownScreenPos(Qt::LeftButton).x());
         tdelta /= stepPx;
         fSet(std::clamp(startVal + tdelta * step, min, max));
     }