Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/client/SDL/SDL2/sdl_freerdp.hpp

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+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client
+ *
+ * Copyright 2022 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <memory>
+#include <thread>
+#include <map>
+#include <atomic>
+
+#include <freerdp/freerdp.h>
+#include <freerdp/client/rdpei.h>
+#include <freerdp/client/rail.h>
+#include <freerdp/client/cliprdr.h>
+#include <freerdp/client/rdpgfx.h>
+
+#include <SDL.h>
+#include <SDL_video.h>
+
+#include "sdl_types.hpp"
+#include "sdl_disp.hpp"
+#include "sdl_kbd.hpp"
+#include "sdl_utils.hpp"
+#include "sdl_window.hpp"
+#include "dialogs/sdl_connection_dialog.hpp"
+
+using SDLSurfacePtr = std::unique_ptr<SDL_Surface, decltype(&SDL_FreeSurface)>;
+using SDLPixelFormatPtr = std::unique_ptr<SDL_PixelFormat, decltype(&SDL_FreeFormat)>;
+
+class SdlContext
+{
+  public:
+	explicit SdlContext(rdpContext* context);
+	SdlContext(const SdlContext& other) = delete;
+	SdlContext(SdlContext&& other) = delete;
+	~SdlContext() = default;
+
+	SdlContext& operator=(const SdlContext& other) = delete;
+	SdlContext& operator=(SdlContext&& other) = delete;
+
+  private:
+	rdpContext* _context;
+
+  public:
+	wLog* log;
+
+	/* SDL */
+	bool fullscreen = false;
+	bool resizeable = false;
+	bool grab_mouse = false;
+	bool grab_kbd = false;
+	bool grab_kbd_enabled = true;
+
+	std::map<Uint32, SdlWindow> windows;
+
+	CriticalSection critical;
+	std::thread thread;
+	WinPREvent initialize;
+	WinPREvent initialized;
+	WinPREvent update_complete;
+	WinPREvent windows_created;
+	int exit_code = -1;
+
+	sdlDispContext disp;
+	sdlInput input;
+
+	SDLSurfacePtr primary;
+	SDLPixelFormatPtr primary_format;
+
+	Uint32 sdl_pixel_format = 0;
+
+	std::unique_ptr<SDLConnectionDialog> connection_dialog;
+
+	std::atomic<bool> rdp_thread_running;
+
+	BOOL update_resizeable(BOOL enable);
+	BOOL update_fullscreen(BOOL enter);
+	BOOL update_minimize();
+
+	[[nodiscard]] rdpContext* context() const;
+	[[nodiscard]] rdpClientContext* common() const;
+};