From 6c6cb52dd17c0eee770ace519c9328f8c325a52e Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Tue, 1 Feb 2022 03:28:36 -0500
Subject: [PATCH] GUI: stop notes on octave change

---
 src/gui/gui.cpp | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index bab3b2a2..01c876b2 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -548,6 +548,10 @@ void FurnaceGUI::drawEditControls() {
     if (ImGui::InputInt("##Octave",&curOctave,1,1)) {
       if (curOctave>6) curOctave=6;
       if (curOctave<-5) curOctave=-5;
+      for (size_t i=0; i<activeNotes.size(); i++) {
+        e->noteOff(activeNotes[i].chan);
+      }
+      activeNotes.clear();
     }
 
     ImGui::Text("Edit Step");
@@ -3989,10 +3993,24 @@ void FurnaceGUI::keyDown(SDL_Event& ev) {
       stop();
       break;
     case SDLK_KP_DIVIDE:
-      if (--curOctave<-5) curOctave=-5;
+      if (--curOctave<-5) {
+        curOctave=-5;
+      } else {
+        for (size_t i=0; i<activeNotes.size(); i++) {
+          e->noteOff(activeNotes[i].chan);
+        }
+        activeNotes.clear();
+      }
       break;
     case SDLK_KP_MULTIPLY:
-      if (++curOctave>6) curOctave=6;
+      if (++curOctave>6) {
+        curOctave=6;
+      } else {
+        for (size_t i=0; i<activeNotes.size(); i++) {
+          e->noteOff(activeNotes[i].chan);
+        }
+        activeNotes.clear();
+      }
       break;
     case SDLK_RETURN:
       if (e->isPlaying()) {