Move DolphinQt2 to DolphinQt

Source/Core/DolphinQt/Host.h

@@ -0,0 +1,47 @@
+// Copyright 2015 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <atomic>
+
+#include <QObject>
+
+// Singleton that talks to the Core via the interface defined in Core/Host.h.
+// Because Host_* calls might come from different threads than the MainWindow,
+// the Host class communicates with it via signals/slots only.
+
+// Many of the Host_* functions are ignored, and some shouldn't exist.
+class Host final : public QObject
+{
+  Q_OBJECT
+
+public:
+  static Host* GetInstance();
+
+  void* GetRenderHandle();
+  bool GetRenderFocus();
+  bool GetRenderFullscreen();
+
+  void SetRenderHandle(void* handle);
+  void SetRenderFocus(bool focus);
+  void SetRenderFullscreen(bool fullscreen);
+  void ResizeSurface(int new_width, int new_height);
+  void RequestNotifyMapLoaded();
+
+signals:
+  void RequestTitle(const QString& title);
+  void RequestStop();
+  void RequestRenderSize(int w, int h);
+  void UpdateProgressDialog(QString label, int position, int maximum);
+  void UpdateDisasmDialog();
+  void NotifyMapLoaded();
+
+private:
+  Host();
+
+  std::atomic<void*> m_render_handle{nullptr};
+  std::atomic<bool> m_render_focus{false};
+  std::atomic<bool> m_render_fullscreen{false};
+};