Implement IUnitInfo::getProgramName

src/common/logging/vst3.cpp

@@ -462,6 +462,15 @@ bool Vst3Logger::log_request(bool is_host_vst,
     });
 }
 
+bool Vst3Logger::log_request(bool is_host_vst,
+                             const YaUnitInfo::GetProgramName& request) {
+    return log_request_base(is_host_vst, [&](auto& message) {
+        message << request.instance_id
+                << ": IUnitInfo::getProgramName(listId = " << request.list_id
+                << ", programIndex = " << request.program_index << ", &name)";
+    });
+}
+
 bool Vst3Logger::log_request(
     bool is_host_vst,
     const YaAudioProcessor::SetBusArrangements& request) {
@@ -883,6 +892,18 @@ void Vst3Logger::log_response(
     });
 }
 
+void Vst3Logger::log_response(
+    bool is_host_vst,
+    const YaUnitInfo::GetProgramNameResponse& response) {
+    log_response_base(is_host_vst, [&](auto& message) {
+        message << response.result.string();
+        if (response.result == Steinberg::kResultOk) {
+            message << ", \"" << VST3::StringConvert::convert(response.name)
+                    << "\"";
+        }
+    });
+}
+
 void Vst3Logger::log_response(
     bool is_host_vst,
     const YaAudioProcessor::GetBusArrangementResponse& response) {

src/common/logging/vst3.h

@@ -112,6 +112,7 @@ class Vst3Logger {
     bool log_request(bool is_host_vst, const YaUnitInfo::GetUnitInfo&);
     bool log_request(bool is_host_vst, const YaUnitInfo::GetProgramListCount&);
     bool log_request(bool is_host_vst, const YaUnitInfo::GetProgramListInfo&);
+    bool log_request(bool is_host_vst, const YaUnitInfo::GetProgramName&);
 
     bool log_request(bool is_host_vst,
                      const YaAudioProcessor::SetBusArrangements&);
@@ -168,6 +169,8 @@ class Vst3Logger {
     void log_response(bool is_host_vst, const YaUnitInfo::GetUnitInfoResponse&);
     void log_response(bool is_host_vst,
                       const YaUnitInfo::GetProgramListInfoResponse&);
+    void log_response(bool is_host_vst,
+                      const YaUnitInfo::GetProgramNameResponse&);
 
     void log_response(bool is_host_vst,
                       const YaAudioProcessor::GetBusArrangementResponse&);

src/common/serialization/vst3.h

@@ -103,7 +103,8 @@ using ControlRequest = std::variant<Vst3PlugViewProxy::Destruct,
                                     YaUnitInfo::GetUnitCount,
                                     YaUnitInfo::GetUnitInfo,
                                     YaUnitInfo::GetProgramListCount,
-                                    YaUnitInfo::GetProgramListInfo>;
+                                    YaUnitInfo::GetProgramListInfo,
+                                    YaUnitInfo::GetProgramName>;
 
 template <typename S>
 void serialize(S& s, ControlRequest& payload) {

src/common/serialization/vst3/plugin/unit-info.h

@@ -81,7 +81,7 @@ class YaUnitInfo : public Steinberg::Vst::IUnitInfo {
 
     /**
      * The response code and returned unit information for a call to
-     * `IUnitInfo::getUnitInfo(unit_index)`.
+     * `IUnitInfo::getUnitInfo(unit_index, &info)`.
      */
     struct GetUnitInfoResponse {
         UniversalTResult result;
@@ -95,8 +95,8 @@ class YaUnitInfo : public Steinberg::Vst::IUnitInfo {
     };
 
     /**
-     * Message to pass through a call to `IUnitInfo::getUnitInfo(unit_index)` to
+     * Message to pass through a call to `IUnitInfo::getUnitInfo(unit_index,
-     * the Wine plugin host.
+     * &info)` to the Wine plugin host.
      */
     struct GetUnitInfo {
         using Response = GetUnitInfoResponse;
@@ -135,7 +135,7 @@ class YaUnitInfo : public Steinberg::Vst::IUnitInfo {
 
     /**
      * The response code and returned unit information for a call to
-     * `IUnitInfo::getProgramListInfo(list_index)`.
+     * `IUnitInfo::getProgramListInfo(list_index, &info)`.
      */
     struct GetProgramListInfoResponse {
         UniversalTResult result;
@@ -150,7 +150,8 @@ class YaUnitInfo : public Steinberg::Vst::IUnitInfo {
 
     /**
      * Message to pass through a call to
-     * `IUnitInfo::getProgramListInfo(list_index)` to the Wine plugin host.
+     * `IUnitInfo::getProgramListInfo(list_index, &info)` to the Wine plugin
+     * host.
      */
     struct GetProgramListInfo {
         using Response = GetProgramListInfoResponse;
@@ -169,6 +170,42 @@ class YaUnitInfo : public Steinberg::Vst::IUnitInfo {
     virtual tresult PLUGIN_API getProgramListInfo(
         int32 listIndex,
         Steinberg::Vst::ProgramListInfo& info /*out*/) override = 0;
+
+    /**
+     * The response code and returned name for a call to
+     * `IUnitInfo::getProgramName(list_id, program_index, &name)`.
+     */
+    struct GetProgramNameResponse {
+        UniversalTResult result;
+        std::u16string name;
+
+        template <typename S>
+        void serialize(S& s) {
+            s.object(result);
+            s.text2b(name, std::extent_v<Steinberg::Vst::String128>);
+        }
+    };
+
+    /**
+     * Message to pass through a call to `IUnitInfo::getProgramName(list_id,
+     * program_index, &name)` to the Wine plugin host.
+     */
+    struct GetProgramName {
+        using Response = GetProgramNameResponse;
+
+        native_size_t instance_id;
+
+        Steinberg::Vst::ProgramListID list_id;
+        int32 program_index;
+
+        template <typename S>
+        void serialize(S& s) {
+            s.value8b(instance_id);
+            s.value4b(list_id);
+            s.value4b(program_index);
+        }
+    };
+
     virtual tresult PLUGIN_API
     getProgramName(Steinberg::Vst::ProgramListID listId,
                    int32 programIndex,

src/plugin/bridges/vst3-impls/plugin-proxy.cpp

@@ -478,9 +478,15 @@ tresult PLUGIN_API
 Vst3PluginProxyImpl::getProgramName(Steinberg::Vst::ProgramListID listId,
                                     int32 programIndex,
                                     Steinberg::Vst::String128 name /*out*/) {
-    // TODO: Implement
+    const GetProgramNameResponse response = bridge.send_message(
-    bridge.logger.log("TODO: IUnitInfo::getProgramName()");
+        YaUnitInfo::GetProgramName{.instance_id = instance_id(),
-    return Steinberg::kNotImplemented;
+                                   .list_id = listId,
+                                   .program_index = programIndex});
+
+    std::copy(response.name.begin(), response.name.end(), name);
+    name[response.name.size()] = 0;
+
+    return response.result;
 }
 
 tresult PLUGIN_API Vst3PluginProxyImpl::getProgramInfo(

src/wine-host/bridges/vst3.cpp

@@ -596,6 +596,17 @@ void Vst3Bridge::run() {
                 return YaUnitInfo::GetProgramListInfoResponse{.result = result,
                                                               .info = info};
             },
+            [&](const YaUnitInfo::GetProgramName& request)
+                -> YaUnitInfo::GetProgramName::Response {
+                Steinberg::Vst::String128 name{0};
+                const tresult result =
+                    object_instances[request.instance_id]
+                        .unit_info->getProgramName(request.list_id,
+                                                   request.program_index, name);
+
+                return YaUnitInfo::GetProgramNameResponse{
+                    .result = result, .name = tchar_pointer_to_u16string(name)};
+            },
         });
 }