EffectChainSlot: add loaded_preset indicator ControlObject

Controllers such as the Kontrol S4 Mk3 can use this to indicate
which preset is loaded in a QuickEffect chain.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/effects/effectchainslot.cpp b/src/effects/effectchainslot.cpp
index 7b5af43310..8548d8e250 100644
--- a/src/effects/effectchainslot.cpp
+++ b/src/effects/effectchainslot.cpp
@@ -80,6 +80,9 @@ EffectChainSlot::EffectChainSlot(const QString& group,
             this,
             &EffectChainSlot::slotControlLoadChainPreset);
 
+    m_pControlLoadedPreset = new ControlObject(ConfigKey(m_group, "loaded_preset"));
+    m_pControlLoadedPreset->setReadOnly();
+
     m_pControlChainNextPreset = new ControlPushButton(ConfigKey(m_group, "next_chain"));
     connect(m_pControlChainNextPreset, &ControlObject::valueChanged,
             this, &EffectChainSlot::slotControlChainNextPreset);
@@ -133,6 +136,7 @@ EffectChainSlot::~EffectChainSlot() {
     delete m_pControlChainSuperParameter;
     delete m_pControlChainMixMode;
     delete m_pControlLoadPreset;
+    delete m_pControlLoadedPreset;
     delete m_pControlChainPrevPreset;
     delete m_pControlChainNextPreset;
     delete m_pControlChainSelector;
@@ -187,6 +191,10 @@ void EffectChainSlot::setPresetName(const QString& name) {
     emit nameChanged(name);
 }
 
+void EffectChainSlot::setLoadedPresetIndex(int index) {
+    m_pControlLoadedPreset->setAndConfirm(index);
+}
+
 void EffectChainSlot::loadEffect(const unsigned int iEffectSlotNumber,
         const EffectManifestPointer pManifest,
         std::unique_ptr<EffectProcessor> pProcessor,