initial windows stuff

src/os/windows.cpp

@@ -0,0 +1,107 @@
+#include <windows.h>
+#include <winrt/Windows.Foundation.h> // ReSharper disable once CppUnusedIncludeDirective
+#include <winrt/Windows.Media.Control.h>
+#include <winrt/base.h>
+#include <winrt/impl/Windows.Media.Control.2.h>
+
+#include "os.h"
+
+fn GetMemInfo()->u64 {
+  u64 mem = 0;
+  GetPhysicallyInstalledSystemMemory(&mem);
+  return mem * 1024;
+}
+
+fn GetNowPlaying()->string {
+  using namespace winrt::Windows::Media::Control;
+  using namespace winrt::Windows::Foundation;
+
+  using MediaProperties = GlobalSystemMediaTransportControlsSessionMediaProperties;
+  using Session         = GlobalSystemMediaTransportControlsSession;
+  using SessionManager  = GlobalSystemMediaTransportControlsSessionManager;
+
+  try {
+    // Request the session manager asynchronously
+    const IAsyncOperation<SessionManager> sessionManagerOp = SessionManager::RequestAsync();
+    const SessionManager                  sessionManager   = sessionManagerOp.get();
+
+    if (const Session currentSession = sessionManager.GetCurrentSession()) {
+      // Try to get the media properties asynchronously
+      const IAsyncOperation<MediaProperties> mediaPropertiesOp =
+        currentSession.TryGetMediaPropertiesAsync();
+      const MediaProperties mediaProperties = mediaPropertiesOp.get();
+
+      // Convert the hstring title to string
+      return to_string(mediaProperties.Title());
+    }
+
+    // If we reach this point, there is no current session
+    return "No current media session.";
+  } catch (...) { return "Failed to get media properties."; }
+}
+
+fn GetRegistryValue(const HKEY& hKey, const string& subKey, const string& valueName)->string {
+  HKEY key = nullptr;
+  if (RegOpenKeyExA(hKey, subKey.c_str(), 0, KEY_READ, &key) != ERROR_SUCCESS)
+    return "";
+
+  DWORD dataSize = 0;
+  if (RegQueryValueExA(key, valueName.c_str(), nullptr, nullptr, nullptr, &dataSize) != ERROR_SUCCESS) {
+    RegCloseKey(key);
+    return "";
+  }
+
+  string value(dataSize, '\0');
+  if (RegQueryValueExA(
+        key,
+        valueName.c_str(),
+        nullptr,
+        nullptr,
+        reinterpret_cast<LPBYTE>(value.data()), // NOLINT(*-reinterpret-cast)
+        &dataSize
+      ) != ERROR_SUCCESS) {
+    RegCloseKey(key);
+    return "";
+  }
+
+  RegCloseKey(key);
+  // Remove null terminator if present
+  if (!value.empty() && value.back() == '\0')
+    value.pop_back();
+
+  return value;
+}
+
+fn GetOSVersion()->string {
+  string productName = GetRegistryValue(
+    HKEY_LOCAL_MACHINE, R"(SOFTWARE\Microsoft\Windows NT\CurrentVersion)", "ProductName"
+  );
+
+  const string displayVersion = GetRegistryValue(
+    HKEY_LOCAL_MACHINE, R"(SOFTWARE\Microsoft\Windows NT\CurrentVersion)", "DisplayVersion"
+  );
+
+  const string releaseId = GetRegistryValue(
+    HKEY_LOCAL_MACHINE, R"(SOFTWARE\Microsoft\Windows NT\CurrentVersion)", "ReleaseId"
+  );
+
+  // Check for Windows 11
+  if (const i32 buildNumber = stoi(GetRegistryValue(
+        HKEY_LOCAL_MACHINE, R"(SOFTWARE\Microsoft\Windows NT\CurrentVersion)", "CurrentBuildNumber"
+      ));
+      buildNumber >= 22000 && productName.find("Windows 10") != string::npos)
+    productName.replace(productName.find("Windows 10"), 10, "Windows 11");
+
+  if (!productName.empty()) {
+    string result = productName;
+
+    if (!displayVersion.empty())
+      result += " " + displayVersion;
+    else if (!releaseId.empty())
+      result += " " + releaseId;
+
+    return result;
+  }
+
+  return "";
+}