Split YaEditController into YaEditController{,2}

Since even though the title would make you assume it's a versioned
interface, it's not.

src/common/serialization/vst3/plugin/edit-controller-2.cpp

@@ -0,0 +1,27 @@
+// yabridge: a Wine VST bridge
+// Copyright (C) 2020  Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "edit-controller-2.h"
+
+YaEditController2::ConstructArgs::ConstructArgs() {}
+
+YaEditController2::ConstructArgs::ConstructArgs(
+    Steinberg::IPtr<Steinberg::FUnknown> object)
+    : supported(
+          Steinberg::FUnknownPtr<Steinberg::Vst::IEditController2>(object)) {}
+
+YaEditController2::YaEditController2(const ConstructArgs&& args)
+    : arguments(std::move(args)) {}

src/common/serialization/vst3/plugin/edit-controller-2.h

@@ -0,0 +1,73 @@
+// yabridge: a Wine VST bridge
+// Copyright (C) 2020  Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#pragma once
+
+#include <pluginterfaces/vst/ivsteditcontroller.h>
+
+#include "../../common.h"
+#include "../base.h"
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
+
+/**
+ * Wraps around `IEditController2` for serialization purposes. This is
+ * instantiated as part of `Vst3PluginProxy`.
+ */
+class YaEditController2 : public Steinberg::Vst::IEditController2 {
+   public:
+    /**
+     * These are the arguments for creating a `YaEditController2`.
+     */
+    struct ConstructArgs {
+        ConstructArgs();
+
+        /**
+         * Check whether an existing implementation implements
+         * `IEditController2` and read arguments from it.
+         */
+        ConstructArgs(Steinberg::IPtr<Steinberg::FUnknown> object);
+
+        /**
+         * Whether the object supported this interface.
+         */
+        bool supported;
+
+        template <typename S>
+        void serialize(S& s) {
+            s.value1b(supported);
+        }
+    };
+
+    /**
+     * Instantiate this instance with arguments read from another interface
+     * implementation.
+     */
+    YaEditController2(const ConstructArgs&& args);
+
+    inline bool supported() const { return arguments.supported; }
+
+    virtual tresult PLUGIN_API
+    setKnobMode(Steinberg::Vst::KnobMode mode) override = 0;
+    virtual tresult PLUGIN_API openHelp(TBool onlyCheck) override = 0;
+    virtual tresult PLUGIN_API openAboutBox(TBool onlyCheck) override = 0;
+
+   protected:
+    ConstructArgs arguments;
+};
+
+#pragma GCC diagnostic pop

src/common/serialization/vst3/plugin/edit-controller.cpp

@@ -20,10 +20,8 @@ YaEditController::ConstructArgs::ConstructArgs() {}
 
 YaEditController::ConstructArgs::ConstructArgs(
     Steinberg::IPtr<Steinberg::FUnknown> object)
-    : supported_version_1(
-          Steinberg::FUnknownPtr<Steinberg::Vst::IEditController>(object)),
-      supported_version_2(
-          Steinberg::FUnknownPtr<Steinberg::Vst::IEditController2>(object)) {}
+    : supported(
+          Steinberg::FUnknownPtr<Steinberg::Vst::IEditController>(object)) {}
 
 YaEditController::YaEditController(const ConstructArgs&& args)
     : arguments(std::move(args)) {}

src/common/serialization/vst3/plugin/edit-controller.h

@@ -25,14 +25,10 @@
 #pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
 
 /**
- * Wraps around `IEditController{,2}` for serialization purposes. This is
+ * Wraps around `IEditController` for serialization purposes. This is
  * instantiated as part of `Vst3PluginProxy`.
- *
- * Steinberg forgot to inherit `IEditController2` from `IEditController` event
- * if it says it does in the docs, so we'll pretend they just that.
  */
-class YaEditController : public Steinberg::Vst::IEditController,
-                         public Steinberg::Vst::IEditController2 {
+class YaEditController : public Steinberg::Vst::IEditController {
    public:
     /**
      * These are the arguments for creating a `YaEditController`.
@@ -41,25 +37,19 @@ class YaEditController : public Steinberg::Vst::IEditController,
         ConstructArgs();
 
         /**
-         * Check whether an existing implementation implements `IEditController`
-         * and `IEditController2` and read arguments from it.
+         * Check whether an existing implementation implements
+         * `IEditController` and read arguments from it.
          */
         ConstructArgs(Steinberg::IPtr<Steinberg::FUnknown> object);
 
         /**
-         * Whether the object supported `IEditController`.
+         * Whether the object supported this interface.
          */
-        bool supported_version_1;
-
-        /**
-         * Whether the object supported `IEditController2`.
-         */
-        bool supported_version_2;
+        bool supported;
 
         template <typename S>
         void serialize(S& s) {
-            s.value1b(supported_version_1);
-            s.value1b(supported_version_2);
+            s.value1b(supported);
         }
     };
 
@@ -69,14 +59,7 @@ class YaEditController : public Steinberg::Vst::IEditController,
      */
     YaEditController(const ConstructArgs&& args);
 
-    inline bool supported_version_1() const {
-        return arguments.supported_version_1;
-    }
-    inline bool supported_version_2() const {
-        return arguments.supported_version_2;
-    }
-
-    // From `IEditController`
+    inline bool supported() const { return arguments.supported; }
 
     /**
      * Message to pass through a call to
@@ -350,13 +333,6 @@ class YaEditController : public Steinberg::Vst::IEditController,
     virtual Steinberg::IPlugView* PLUGIN_API
     createView(Steinberg::FIDString name) override = 0;
 
-    // From `IEditController2`
-
-    virtual tresult PLUGIN_API
-    setKnobMode(Steinberg::Vst::KnobMode mode) override = 0;
-    virtual tresult PLUGIN_API openHelp(TBool onlyCheck) override = 0;
-    virtual tresult PLUGIN_API openAboutBox(TBool onlyCheck) override = 0;
-
    protected:
     ConstructArgs arguments;
 };