actually never mind, fixed the underlying bugs (and made QuickLevel much more efficient in the process)

notes

@@ -41,7 +41,8 @@ TODO {
     }
     
     filter cutoff preset for knobgadget
-    - force at least 1hz in svfilter for normalization
+    
+    move config default vars into a single file for cleanliness
     
     revert-to-saved menu action
     
@@ -59,9 +60,6 @@ TODO {
         focusable control to set param
     }
     
-    - qt update causing some patchboard artifacting on mouse movement
-    eventually switch from indiscriminate mouse-move updates to only on certain events
-    
     look into performance/timing/sync of audio engine; it's having buffer issues way more than it feels like it should
     
     editing song info should probably be an UndoStack action

xybrid/config/uiconfig.cpp

@@ -3,5 +3,3 @@
 using namespace Xybrid::Config;
 
 bool UIConfig::verticalKnobs = false;
-
-bool UIConfig::fullSceneRefresh = true;

xybrid/config/uiconfig.h

@@ -4,7 +4,5 @@ namespace Xybrid::Config {
     namespace UIConfig {
         /// Determines if KnobGadgets turn with vertical mouse movement instead of horizontal.
         extern bool verticalKnobs;
-
-        extern bool fullSceneRefresh;
     }
 }

xybrid/nodes/gadget/quicklevel.cpp

@@ -91,7 +91,9 @@ void QuickLevel::process() {
         lv[1][1] = std::max(lv[1][1], f.r);
     }
 
-    if (obj) QMetaObject::invokeMethod(obj->scene(), "update", Qt::QueuedConnection);
+    if (obj) QMetaObject::invokeMethod(obj, [obj = obj] {
+        obj->scene()->update(obj->sceneBoundingRect());
+    }, Qt::QueuedConnection);
 }
 
 // clear levels on port disconnect

xybrid/ui/patchboard/gadgetscene.cpp

@@ -12,7 +12,10 @@ void GadgetScene::toolTip(QGraphicsItem* g, const QString& s, const QPointF& pos
     if (s.isEmpty()) {
         if (toolTipSource && toolTipSource != g) return;
         // remove existing tool tip
-        if (toolTipObject) toolTipObject->deleteLater();
+        if (toolTipObject) {
+            toolTipObject->setVisible(false); // hide immediately to ensure ghosting doesn't happen
+            toolTipObject->deleteLater();
+        }
         toolTipObject = nullptr;
     } else {
         // create/set up

xybrid/ui/patchboard/gadgetscene.h

@@ -17,6 +17,6 @@ namespace Xybrid::UI {
         GadgetScene(QGraphicsView* view);
         ~GadgetScene() override = default;
 
-        void toolTip(QGraphicsItem*, const QString&, const QPointF&, const QColor&);
+        void toolTip(QGraphicsItem*, const QString& = { }, const QPointF& = {0, 0}, const QColor& = {255, 255, 255});
     };
 }

xybrid/ui/patchboard/nodeobject.cpp

@@ -64,7 +64,7 @@ void PortObject::setHighlighted(bool h, bool hideLabel) {
         if (!port->name.isEmpty()) txt = qs("%1 (%2)").arg(port->name).arg(txt);
         double side = port->type == Port::Input ? -1.0 : 1.0;
         gs->toolTip(this, txt, {side, 0}, c);
-    } else gs->toolTip(this, { }, { }, { });
+    } else gs->toolTip(this);
 
     update();
 }
@@ -175,7 +175,7 @@ NodeObject::NodeObject(const std::shared_ptr<Data::Node>& n) {
 
     node->onGadgetCreated();
 
-    emit finalized();
+    emit finalized(); // clazy:exclude=incorrect-emit
 }
 
 void NodeObject::setGadgetSize(QPointF p) {

xybrid/ui/patchboard/patchboardscene.cpp

@@ -183,11 +183,6 @@ void PatchboardScene::keyReleaseEvent(QKeyEvent* e) {
     if (!e->isAccepted() && !e->isAutoRepeat()) stopPreview(Util::unshiftedKey(e->key()));
 }
 
-void PatchboardScene::mouseMoveEvent(QGraphicsSceneMouseEvent* e) {
-    QGraphicsScene::mouseMoveEvent(e);
-    if (UIConfig::fullSceneRefresh) update(); // force full update (for now)
-}
-
 void PatchboardScene::startPreview(int key, int16_t note) {
     stopPreview(key); // end current preview first, if applicable
     auto p = graph->project->shared_from_this();

xybrid/ui/patchboard/patchboardscene.h

@@ -34,8 +34,6 @@ namespace Xybrid::UI {
         void keyPressEvent(QKeyEvent*) override;
         void keyReleaseEvent(QKeyEvent*) override;
 
-        void mouseMoveEvent(QGraphicsSceneMouseEvent*) override;
-
         void refresh();
     };
 }