From 6b3b86337cf222c8691b68ae9d78ff91ecf739fe Mon Sep 17 00:00:00 2001
From: be_ <be.0@gmx.com>
Date: Mon, 10 Apr 2017 23:03:51 -0500
Subject: [PATCH] create [Master], num_effectsavailable ControlObject

to be used for calculating how far to turn an effect knob to
switch effects
---
 src/effects/effectsmanager.cpp | 7 +++++++
 src/effects/effectsmanager.h   | 1 +
 2 files changed, 8 insertions(+)

diff --git a/src/effects/effectsmanager.cpp b/src/effects/effectsmanager.cpp
index 0775cba77f25..263143b98175 100644
--- a/src/effects/effectsmanager.cpp
+++ b/src/effects/effectsmanager.cpp
@@ -26,6 +26,9 @@ EffectsManager::EffectsManager(QObject* pParent, UserSettingsPointer pConfig)
 
     m_pRequestPipe.reset(requestPipes.first);
     m_pEngineEffectsManager = new EngineEffectsManager(requestPipes.second);
+
+    m_pNumEffectsAvailable = new ControlObject(ConfigKey("[Master]", "num_effectsavailable"));
+    m_pNumEffectsAvailable->setReadOnly();
 }
 
 EffectsManager::~EffectsManager() {
@@ -47,6 +50,7 @@ EffectsManager::~EffectsManager() {
 
     delete m_pHiEqFreq;
     delete m_pLoEqFreq;
+    delete m_pNumEffectsAvailable;
     // Safe because the Engine is deleted before EffectsManager. Also, it holds
     // a bare pointer to m_pRequestPipe so it is critical that it does not
     // outlast us.
@@ -69,6 +73,8 @@ void EffectsManager::addEffectsBackend(EffectsBackend* pBackend) {
         m_availableEffectManifests.append(pBackend->getManifest(effectId));
     }
 
+    m_pNumEffectsAvailable->forceSet(m_availableEffectManifests.size());
+
     qSort(m_availableEffectManifests.begin(), m_availableEffectManifests.end(),
           alphabetizeEffectManifests);
 
@@ -84,6 +90,7 @@ void EffectsManager::slotBackendRegisteredEffect(EffectManifest manifest) {
                                        m_availableEffectManifests.end(),
                                        manifest, alphabetizeEffectManifests);
     m_availableEffectManifests.insert(insertion_point, manifest);
+    m_pNumEffectsAvailable->forceSet(m_availableEffectManifests.size());
 }
 
 void EffectsManager::registerChannel(const ChannelHandleAndGroup& handle_group) {
diff --git a/src/effects/effectsmanager.h b/src/effects/effectsmanager.h
index d3c33db9765a..3fbfa20d91c1 100644
--- a/src/effects/effectsmanager.h
+++ b/src/effects/effectsmanager.h
@@ -102,6 +102,7 @@ class EffectsManager : public QObject {
     qint64 m_nextRequestId;
     QHash<qint64, EffectsRequest*> m_activeRequests;
 
+    ControlObject* m_pNumEffectsAvailable;
     // We need to create Control Objects for Equalizers' frequencies
     ControlPotmeter* m_pLoEqFreq;
     ControlPotmeter* m_pHiEqFreq;