NoGUI: Migrate to new host abstraction

src/duckstation-nogui/vty_nogui_platform.h

@@ -0,0 +1,57 @@
+#pragma once
+#include "nogui_platform.h"
+#include <atomic>
+#include <deque>
+#include <functional>
+#include <libevdev/libevdev.h>
+#include <mutex>
+#include <vector>
+
+class VTYNoGUIPlatform : public NoGUIPlatform
+{
+public:
+  VTYNoGUIPlatform();
+  ~VTYNoGUIPlatform();
+
+  bool Initialize();
+
+  void ReportError(const std::string_view& title, const std::string_view& message) override;
+
+  void SetDefaultConfig(SettingsInterface& si) override;
+
+  bool CreatePlatformWindow(std::string title) override;
+  void DestroyPlatformWindow() override;
+  std::optional<WindowInfo> GetPlatformWindowInfo() override;
+  void SetPlatformWindowTitle(std::string title) override;
+  void* GetPlatformWindowHandle() override;
+
+  std::optional<u32> ConvertHostKeyboardStringToCode(const std::string_view& str) override;
+  std::optional<std::string> ConvertHostKeyboardCodeToString(u32 code) override;
+
+  void RunMessageLoop() override;
+  void ExecuteInMessageLoop(std::function<void()> func) override;
+  void QuitMessageLoop() override;
+
+  void SetFullscreen(bool enabled) override;
+
+  bool RequestRenderWindowSize(s32 new_window_width, s32 new_window_height) override;
+
+private:
+  void OpenEVDevFDs();
+  void CloseEVDevFDs();
+  void PollEvDevKeyboards();
+  void SetImGuiKeyMap();
+
+  struct EvDevKeyboard
+  {
+    struct libevdev* obj;
+    int fd;
+  };
+
+  std::vector<EvDevKeyboard> m_evdev_keyboards;
+
+  std::deque<std::function<void()>> m_callback_queue;
+  std::mutex m_callback_queue_mutex;
+
+  std::atomic_bool m_message_loop_running{false};
+};