From 70bd833e97afd352aa73e6a21a1f33d0d8ff8720 Mon Sep 17 00:00:00 2001
From: Andrew Belt <andrewpbelt@gmail.com>
Date: Tue, 2 Nov 2021 03:59:12 -0400
Subject: [PATCH] Use Switch behavior in SvgLatch.

---
 src/app/SvgLatch.cpp | 31 ++++---------------------------
 1 file changed, 4 insertions(+), 27 deletions(-)

diff --git a/src/app/SvgLatch.cpp b/src/app/SvgLatch.cpp
index a2a2daf2..b69a9a76 100644
--- a/src/app/SvgLatch.cpp
+++ b/src/app/SvgLatch.cpp
@@ -5,36 +5,20 @@ namespace rack {
 namespace app {
 
 
-struct SvgLatch::Internal {
-	bool unlatch = false;
-};
-
-
 SvgLatch::SvgLatch() {
-	internal = new Internal;
 }
 
 
 SvgLatch::~SvgLatch() {
-	delete internal;
 }
 
 
 void SvgLatch::onDragStart(const DragStartEvent& e) {
-	ParamWidget::onDragStart(e);
+	// Use Switch behavior
+	Switch::onDragStart(e);
 	if (e.button != GLFW_MOUSE_BUTTON_LEFT)
 		return;
 
-	// Set value
-	engine::ParamQuantity* pq = getParamQuantity();
-	if (pq) {
-		if (pq->isMax()) {
-			internal->unlatch = true;
-		}
-		else {
-			pq->setMax();
-		}
-	}
 	// Set down frame
 	if (frames.size() >= 2) {
 		sw->setSvg(frames[1]);
@@ -44,18 +28,11 @@ void SvgLatch::onDragStart(const DragStartEvent& e) {
 
 
 void SvgLatch::onDragEnd(const DragEndEvent& e) {
-	ParamWidget::onDragEnd(e);
+	// Use Switch behavior
+	Switch::onDragEnd(e);
 	if (e.button != GLFW_MOUSE_BUTTON_LEFT)
 		return;
 
-	// Set value
-	engine::ParamQuantity* pq = getParamQuantity();
-	if (pq) {
-		if (internal->unlatch) {
-			internal->unlatch = false;
-			pq->setMin();
-		}
-	}
 	// Set up frame
 	if (frames.size() >= 1) {
 		sw->setSvg(frames[0]);