From c8546633a27bb0208268d244d4a8d43cd3c1b9b2 Mon Sep 17 00:00:00 2001
From: superpaik <68785450+superpaik@users.noreply.github.com>
Date: Sat, 24 Jun 2023 04:57:52 +0200
Subject: [PATCH] Adding new FX channel while in solo  (#6717)

* Adding FX channel while in solo

New FX channel is muted when there is a soloed FX line. Fixes #6311

* Move var initialization to constructor
---
 src/core/Mixer.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/core/Mixer.cpp b/src/core/Mixer.cpp
index 9354687a8..b2a9f9e3f 100644
--- a/src/core/Mixer.cpp
+++ b/src/core/Mixer.cpp
@@ -190,11 +190,11 @@ void MixerChannel::doProcessing()
 Mixer::Mixer() :
 	Model( nullptr ),
 	JournallingObject(),
-	m_mixerChannels()
+	m_mixerChannels(),
+	m_lastSoloed(-1)
 {
 	// create master channel
 	createChannel();
-	m_lastSoloed = -1;
 }
 
 
@@ -224,6 +224,13 @@ int Mixer::createChannel()
 	// reset channel state
 	clearChannel( index );
 
+	// if there is a soloed channel, mute the new track
+	if (m_lastSoloed != -1 && m_mixerChannels[m_lastSoloed]->m_soloModel.value())
+	{
+		m_mixerChannels[index]->m_muteBeforeSolo = m_mixerChannels[index]->m_muteModel.value();
+		m_mixerChannels[index]->m_muteModel.setValue(true);
+	}
+
 	return index;
 }