1 files changed, 74 insertions, 0 deletions
diff --git a/wrapper/input.cpp b/wrapper/input.cpp
new file mode 100644
index 0000000..d50f774
--- /dev/null
+++ b/wrapper/input.cpp
@@ -0,0 +1,74 @@
+#include "interop-exception.h"
+
+#include <utility-rawinput.hpp>
+#include <algorithm>
+#include <msclr\marshal_cppstd.h>
+
+using namespace System;
+using namespace System::Collections::Generic;
+
+struct device_info {
+    std::wstring name;
+    std::wstring id;
+};
+
+std::vector<device_info> get_unique_device_info() {
+    std::vector<device_info> info;
+
+    rawinput_foreach_with_interface([&](const auto& dev, const WCHAR* name) {
+        info.push_back({
+            L"", // get_property_wstr(name, &DEVPKEY_Device_FriendlyName), /* doesn't work */
+            dev_id_from_interface(name)
+            });
+    });
+
+    std::sort(info.begin(), info.end(),
+        [](auto&& l, auto&& r) { return l.id < r.id; });
+    auto last = std::unique(info.begin(), info.end(),
+        [](auto&& l, auto&& r) { return l.id == r.id; });
+    info.erase(last, info.end());
+    
+    return info;
+}
+
+public ref struct RawInputInterop
+{
+    static void AddHandlesFromID(String^ deviceID, List<IntPtr>^ rawInputHandles)
+    {
+        try
+        {
+            std::vector<HANDLE> nativeHandles = rawinput_handles_from_dev_id(
+                msclr::interop::marshal_as<std::wstring>(deviceID));
+
+            for (auto nh : nativeHandles) rawInputHandles->Add(IntPtr(nh));
+        }
+        catch (const std::exception& e)
+        {
+            throw gcnew RawInputInteropException(e);
+        }
+    }
+
+    static List<ValueTuple<String^, String^>>^ GetDeviceIDs()
+    {
+        try
+        {
+            auto managed = gcnew List<ValueTuple<String^, String^>>();
+
+            for (auto&& [name, id] : get_unique_device_info())
+            {
+                managed->Add(
+                    ValueTuple<String^, String^>(
+                        msclr::interop::marshal_as<String^>(name),
+                        msclr::interop::marshal_as<String^>(id)));
+            }
+
+            return managed;
+        }
+        catch (const std::exception& e)
+        {
+            throw gcnew RawInputInteropException(e);
+        }
+    }
+
+};
+