Move PortWidget::plugLight to internal.

include/app/PortWidget.hpp

@@ -20,12 +20,11 @@ struct PortWidget : widget::OpaqueWidget {
 	engine::Port::Type type = engine::Port::INPUT;
 	int portId = -1;
 
-	MultiLightWidget* plugLight;
-
 	PortWidget();
 	~PortWidget();
 	engine::Port* getPort();
 	engine::PortInfo* getPortInfo();
+	LightWidget* getPlugLight();
 	void createTooltip();
 	void destroyTooltip();
 

src/app/CableWidget.cpp

@@ -226,7 +226,7 @@ void CableWidget::drawPlugs(const DrawArgs& args) {
 			// Draw plug light
 			nvgSave(args.vg);
 			nvgTranslate(args.vg, outputPos.x - 4, outputPos.y - 4);
-			outputPort->plugLight->draw(args);
+			outputPort->getPlugLight()->draw(args);
 			nvgRestore(args.vg);
 		}
 	}
@@ -236,7 +236,7 @@ void CableWidget::drawPlugs(const DrawArgs& args) {
 		if (isComplete()) {
 			nvgSave(args.vg);
 			nvgTranslate(args.vg, inputPos.x - 4, inputPos.y - 4);
-			inputPort->plugLight->draw(args);
+			inputPort->getPlugLight()->draw(args);
 			nvgRestore(args.vg);
 		}
 	}

src/app/PortWidget.cpp

@@ -76,20 +76,21 @@ struct PlugLight : MultiLightWidget {
 
 struct PortWidget::Internal {
 	ui::Tooltip* tooltip = NULL;
+	PlugLight* plugLight;
 };
 
 
 PortWidget::PortWidget() {
 	internal = new Internal;
-	plugLight = new PlugLight;
+	internal->plugLight = new PlugLight;
 }
 
 PortWidget::~PortWidget() {
 	// HACK: In case onDragDrop() is called but not onLeave() afterwards...
 	destroyTooltip();
-	// plugLight is not a child and is thus owned by the PortWidget, so we need to delete it here
-	delete plugLight;
-	// HACK
+	// plugLight is not a child but owned by the PortWidget, so we need to delete it here
+	delete internal->plugLight;
+	// The port shouldn't have any cables when destroyed, but just to make sure.
 	if (module)
 		APP->scene->rack->clearCablesOnPort(this);
 	delete internal;
@@ -113,6 +114,10 @@ engine::PortInfo* PortWidget::getPortInfo() {
 		return module->outputInfos[portId];
 }
 
+LightWidget* PortWidget::getPlugLight() {
+	return internal->plugLight;
+}
+
 void PortWidget::createTooltip() {
 	if (!settings::tooltips)
 		return;
@@ -145,7 +150,7 @@ void PortWidget::step() {
 		else
 			values[i] = module->inputs[portId].plugLights[i].getBrightness();
 	}
-	plugLight->setBrightnesses(values);
+	internal->plugLight->setBrightnesses(values);
 
 	Widget::step();
 }