Add message structs for IParameterFinder

src/common/serialization/vst3/plug-view/parameter-finder.h

@@ -18,6 +18,7 @@
 
 #include <pluginterfaces/vst/ivstplugview.h>
 
+#include "../../common.h"
 #include "../base.h"
 
 #pragma GCC diagnostic push
@@ -60,6 +61,41 @@ class YaParameterFinder : public Steinberg::Vst::IParameterFinder {
 
     inline bool supported() const { return arguments.supported; }
 
+    /**
+     * The response code and editor size returned by a call to
+     * `IParameterFinder::findParameter(x_pos, y_pos, &result_tag)`.
+     */
+    struct FindParameterResponse {
+        UniversalTResult result;
+        Steinberg::Vst::ParamID result_tag;
+
+        template <typename S>
+        void serialize(S& s) {
+            s.object(result);
+            s.value4b(result_tag);
+        }
+    };
+
+    /**
+     * Message to pass through a call to `IParameterFinder::findParameter(x_pos,
+     * y_pos, &result_tag)` to the Wine plugin host.
+     */
+    struct FindParameter {
+        using Response = FindParameterResponse;
+
+        native_size_t owner_instance_id;
+
+        int32 x_pos;
+        int32 y_pos;
+
+        template <typename S>
+        void serialize(S& s) {
+            s.value8b(owner_instance_id);
+            s.value4b(x_pos);
+            s.value4b(y_pos);
+        }
+    };
+
     virtual tresult PLUGIN_API
     findParameter(int32 xPos,
                   int32 yPos,

src/common/serialization/vst3/plug-view/plug-view.h

@@ -18,6 +18,7 @@
 
 #include <pluginterfaces/gui/iplugview.h>
 
+#include "../../common.h"
 #include "../base.h"
 #include "../plug-frame-proxy.h"