From 85c1972c1f13e2d5f6b59c8cab25625a99061fcf Mon Sep 17 00:00:00 2001
From: Robbert van der Helm <mail@robbertvanderhelm.nl>
Date: Fri, 15 Jan 2021 22:36:25 +0100
Subject: [PATCH] Add stubs for IMidiLearn

---
 src/common/serialization/vst3/plugin-proxy.cpp |  6 ++++++
 src/common/serialization/vst3/plugin-proxy.h   |  4 ++++
 src/plugin/bridges/vst3-impls/plugin-proxy.cpp | 10 ++++++++++
 src/plugin/bridges/vst3-impls/plugin-proxy.h   |  6 ++++++
 4 files changed, 26 insertions(+)

diff --git a/src/common/serialization/vst3/plugin-proxy.cpp b/src/common/serialization/vst3/plugin-proxy.cpp
index 0fe2e5f4..b31b35d3 100644
--- a/src/common/serialization/vst3/plugin-proxy.cpp
+++ b/src/common/serialization/vst3/plugin-proxy.cpp
@@ -32,6 +32,7 @@ Vst3PluginProxy::ConstructArgs::ConstructArgs(
       edit_controller_host_editing_args(object),
       info_listener_args(object),
       keyswitch_controller_args(object),
+      midi_learn_args(object),
       midi_mapping_args(object),
       note_expression_controller_args(object),
       plugin_base_args(object),
@@ -54,6 +55,7 @@ Vst3PluginProxy::Vst3PluginProxy(const ConstructArgs&& args)
           std::move(args.edit_controller_host_editing_args)),
       YaInfoListener(std::move(args.info_listener_args)),
       YaKeyswitchController(std::move(args.keyswitch_controller_args)),
+      YaMidiLearn(std::move(args.midi_learn_args)),
       YaMidiMapping(std::move(args.midi_mapping_args)),
       YaNoteExpressionController(
           std::move(args.note_expression_controller_args)),
@@ -140,6 +142,10 @@ tresult PLUGIN_API Vst3PluginProxy::queryInterface(Steinberg::FIDString _iid,
         QUERY_INTERFACE(_iid, obj, Steinberg::Vst::IKeyswitchController::iid,
                         Steinberg::Vst::IKeyswitchController)
     }
+    if (YaMidiLearn::supported()) {
+        QUERY_INTERFACE(_iid, obj, Steinberg::Vst::IMidiLearn::iid,
+                        Steinberg::Vst::IMidiLearn)
+    }
     if (YaMidiMapping::supported()) {
         QUERY_INTERFACE(_iid, obj, Steinberg::Vst::IMidiMapping::iid,
                         Steinberg::Vst::IMidiMapping)
diff --git a/src/common/serialization/vst3/plugin-proxy.h b/src/common/serialization/vst3/plugin-proxy.h
index 8d0e3c16..25f9f127 100644
--- a/src/common/serialization/vst3/plugin-proxy.h
+++ b/src/common/serialization/vst3/plugin-proxy.h
@@ -29,6 +29,7 @@
 #include "plugin/edit-controller.h"
 #include "plugin/info-listener.h"
 #include "plugin/keyswitch-controller.h"
+#include "plugin/midi-learn.h"
 #include "plugin/midi-mapping.h"
 #include "plugin/note-expression-controller.h"
 #include "plugin/note-expression-physical-ui-mapping.h"
@@ -75,6 +76,7 @@ class Vst3PluginProxy : public YaAudioPresentationLatency,
                         public YaEditControllerHostEditing,
                         public YaInfoListener,
                         public YaKeyswitchController,
+                        public YaMidiLearn,
                         public YaMidiMapping,
                         public YaNoteExpressionController,
                         public YaNoteExpressionPhysicalUIMapping,
@@ -114,6 +116,7 @@ class Vst3PluginProxy : public YaAudioPresentationLatency,
             edit_controller_host_editing_args;
         YaInfoListener::ConstructArgs info_listener_args;
         YaKeyswitchController::ConstructArgs keyswitch_controller_args;
+        YaMidiLearn::ConstructArgs midi_learn_args;
         YaMidiMapping::ConstructArgs midi_mapping_args;
         YaNoteExpressionController::ConstructArgs
             note_expression_controller_args;
@@ -140,6 +143,7 @@ class Vst3PluginProxy : public YaAudioPresentationLatency,
             s.object(edit_controller_host_editing_args);
             s.object(info_listener_args);
             s.object(keyswitch_controller_args);
+            s.object(midi_learn_args);
             s.object(midi_mapping_args);
             s.object(note_expression_controller_args);
             s.object(note_expression_physical_ui_mapping_args);
diff --git a/src/plugin/bridges/vst3-impls/plugin-proxy.cpp b/src/plugin/bridges/vst3-impls/plugin-proxy.cpp
index 3e2a45c7..54f1e219 100644
--- a/src/plugin/bridges/vst3-impls/plugin-proxy.cpp
+++ b/src/plugin/bridges/vst3-impls/plugin-proxy.cpp
@@ -562,6 +562,16 @@ tresult PLUGIN_API Vst3PluginProxyImpl::getKeyswitchInfo(
     return response.result;
 }
 
+tresult PLUGIN_API Vst3PluginProxyImpl::onLiveMIDIControllerInput(
+    int32 busIndex,
+    int16 channel,
+    Steinberg::Vst::CtrlNumber midiCC) {
+    // TODO: Implement
+    bridge.logger.log(
+        "TODO: Implement IMidiLearn::onLiveMIDIControllerInput()");
+    return Steinberg::kNotImplemented;
+}
+
 tresult PLUGIN_API Vst3PluginProxyImpl::getMidiControllerAssignment(
     int32 busIndex,
     int16 channel,
diff --git a/src/plugin/bridges/vst3-impls/plugin-proxy.h b/src/plugin/bridges/vst3-impls/plugin-proxy.h
index 5e4d1e54..13b6f195 100644
--- a/src/plugin/bridges/vst3-impls/plugin-proxy.h
+++ b/src/plugin/bridges/vst3-impls/plugin-proxy.h
@@ -163,6 +163,12 @@ class Vst3PluginProxyImpl : public Vst3PluginProxy {
                      int32 keySwitchIndex,
                      Steinberg::Vst::KeyswitchInfo& info /*out*/) override;
 
+    // From `IMidiLearn`
+    tresult PLUGIN_API
+    onLiveMIDIControllerInput(int32 busIndex,
+                              int16 channel,
+                              Steinberg::Vst::CtrlNumber midiCC) override;
+
     // From `IMidiMapping`
     tresult PLUGIN_API
     getMidiControllerAssignment(int32 busIndex,