Milestone 5: deliver embedded RDP sessions and lifecycle hardening
This commit is contained in:
Keith Smith
229
third_party/FreeRDP/client/SDL/SDL3/sdl_context.hpp
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229
third_party/FreeRDP/client/SDL/SDL3/sdl_context.hpp
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/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* SDL Client
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*
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* Copyright 2022 Armin Novak <armin.novak@thincast.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <map>
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#include <memory>
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#include <sstream>
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#include <vector>
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#include <mutex>
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#include <queue>
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#include <thread>
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#include <atomic>
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#include <freerdp/freerdp.h>
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#include <SDL3/SDL.h>
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#include <sdl_common_utils.hpp>
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#include "sdl_window.hpp"
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#include "sdl_disp.hpp"
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#include "sdl_clip.hpp"
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#include "sdl_input.hpp"
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#include "dialogs/sdl_connection_dialog_wrapper.hpp"
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class SdlContext
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{
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public:
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enum CursorType
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{
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CURSOR_NULL,
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CURSOR_DEFAULT,
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CURSOR_IMAGE
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};
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explicit SdlContext(rdpContext* context);
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SdlContext(const SdlContext& other) = delete;
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SdlContext(SdlContext&& other) = delete;
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~SdlContext() = default;
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SdlContext& operator=(const SdlContext& other) = delete;
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SdlContext& operator=(SdlContext&& other) = delete;
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[[nodiscard]] bool redraw(bool suppress = false) const;
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void setConnected(bool val);
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[[nodiscard]] bool isConnected() const;
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void cleanup();
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[[nodiscard]] bool resizeable() const;
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[[nodiscard]] bool toggleResizeable();
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[[nodiscard]] bool setResizeable(bool enable);
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[[nodiscard]] bool fullscreen() const;
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[[nodiscard]] bool toggleFullscreen();
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[[nodiscard]] bool setFullscreen(bool enter, bool forceOriginalDisplay = false);
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[[nodiscard]] bool setMinimized();
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[[nodiscard]] bool grabMouse() const;
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[[nodiscard]] bool toggleGrabMouse();
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[[nodiscard]] bool setGrabMouse(bool enter);
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[[nodiscard]] bool grabKeyboard() const;
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[[nodiscard]] bool toggleGrabKeyboard();
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[[nodiscard]] bool setGrabKeyboard(bool enter);
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[[nodiscard]] rdpContext* context() const;
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[[nodiscard]] rdpClientContext* common() const;
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[[nodiscard]] bool setCursor(CursorType type);
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[[nodiscard]] bool setCursor(rdpPointer* cursor);
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[[nodiscard]] rdpPointer* cursor() const;
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[[nodiscard]] bool restoreCursor();
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void setMonitorIds(const std::vector<SDL_DisplayID>& ids);
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[[nodiscard]] const std::vector<SDL_DisplayID>& monitorIds() const;
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[[nodiscard]] int64_t monitorId(uint32_t index) const;
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void push(std::vector<SDL_Rect>&& rects);
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[[nodiscard]] std::vector<SDL_Rect> pop();
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void setHasCursor(bool val);
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[[nodiscard]] bool hasCursor() const;
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void setMetadata();
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[[nodiscard]] int start();
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[[nodiscard]] int join();
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[[nodiscard]] bool shallAbort(bool ignoreDialogs = false);
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[[nodiscard]] bool createWindows();
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[[nodiscard]] bool updateWindowList();
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[[nodiscard]] bool updateWindow(SDL_WindowID id);
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[[nodiscard]] bool drawToWindows(const std::vector<SDL_Rect>& rects = {});
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[[nodiscard]] bool drawToWindow(SdlWindow& window, const std::vector<SDL_Rect>& rects = {});
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[[nodiscard]] bool minimizeAllWindows();
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[[nodiscard]] int exitCode() const;
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[[nodiscard]] SDL_PixelFormat pixelFormat() const;
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[[nodiscard]] const SdlWindow* getWindowForId(SDL_WindowID id) const;
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[[nodiscard]] SdlWindow* getWindowForId(SDL_WindowID id);
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[[nodiscard]] SdlWindow* getFirstWindow();
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[[nodiscard]] bool addDisplayWindow(SDL_DisplayID id);
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[[nodiscard]] bool removeDisplayWindow(SDL_DisplayID id);
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[[nodiscard]] bool detectDisplays();
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[[nodiscard]] rdpMonitor getDisplay(SDL_DisplayID id) const;
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[[nodiscard]] std::vector<SDL_DisplayID> getDisplayIds() const;
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[[nodiscard]] sdlDispContext& getDisplayChannelContext();
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[[nodiscard]] sdlInput& getInputChannelContext();
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[[nodiscard]] sdlClip& getClipboardChannelContext();
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[[nodiscard]] SdlConnectionDialogWrapper& getDialog();
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[[nodiscard]] wLog* getWLog();
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[[nodiscard]] bool moveMouseTo(const SDL_FPoint& pos);
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[[nodiscard]] SDL_FPoint screenToPixel(SDL_WindowID id, const SDL_FPoint& pos);
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[[nodiscard]] SDL_FPoint pixelToScreen(SDL_WindowID id, const SDL_FPoint& pos);
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[[nodiscard]] SDL_FRect pixelToScreen(SDL_WindowID id, const SDL_FRect& pos);
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[[nodiscard]] bool handleEvent(const SDL_Event& ev);
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private:
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[[nodiscard]] static BOOL preConnect(freerdp* instance);
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[[nodiscard]] static BOOL postConnect(freerdp* instance);
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static void postDisconnect(freerdp* instance);
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static void postFinalDisconnect(freerdp* instance);
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[[nodiscard]] static BOOL desktopResize(rdpContext* context);
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[[nodiscard]] static BOOL playSound(rdpContext* context, const PLAY_SOUND_UPDATE* play_sound);
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[[nodiscard]] static BOOL beginPaint(rdpContext* context);
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[[nodiscard]] static BOOL endPaint(rdpContext* context);
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[[nodiscard]] static DWORD WINAPI rdpThreadRun(SdlContext* sdl);
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[[nodiscard]] bool eventToPixelCoordinates(SDL_WindowID id, SDL_Event& ev);
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[[nodiscard]] SDL_FPoint applyLocalScaling(const SDL_FPoint& val) const;
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void removeLocalScaling(float& x, float& y) const;
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[[nodiscard]] bool handleEvent(const SDL_WindowEvent& ev);
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[[nodiscard]] bool handleEvent(const SDL_DisplayEvent& ev);
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[[nodiscard]] bool handleEvent(const SDL_MouseButtonEvent& ev);
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[[nodiscard]] bool handleEvent(const SDL_MouseMotionEvent& ev);
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[[nodiscard]] bool handleEvent(const SDL_MouseWheelEvent& ev);
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[[nodiscard]] bool handleEvent(const SDL_TouchFingerEvent& ev);
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void addOrUpdateDisplay(SDL_DisplayID id);
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void deleteDisplay(SDL_DisplayID id);
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[[nodiscard]] bool createPrimary();
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[[nodiscard]] std::string windowTitle() const;
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[[nodiscard]] bool waitForWindowsCreated();
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void sdl_client_cleanup(int exit_code, const std::string& error_msg);
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[[nodiscard]] int sdl_client_thread_connect(std::string& error_msg);
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[[nodiscard]] int sdl_client_thread_run(std::string& error_msg);
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[[nodiscard]] int error_info_to_error(DWORD* pcode, char** msg, size_t* len) const;
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void applyMonitorOffset(SDL_WindowID window, float& x, float& y) const;
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[[nodiscard]] std::vector<SDL_DisplayID>
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updateDisplayOffsetsForNeighbours(SDL_DisplayID id,
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const std::vector<SDL_DisplayID>& ignore = {});
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void updateMonitorDataFromOffsets();
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rdpContext* _context = nullptr;
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wLog* _log = nullptr;
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std::atomic<bool> _connected = false;
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bool _cursor_visible = true;
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rdpPointer* _cursor = nullptr;
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CursorType _cursorType = CURSOR_NULL;
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std::vector<SDL_DisplayID> _monitorIds;
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std::mutex _queue_mux;
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std::queue<std::vector<SDL_Rect>> _queue;
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/* SDL */
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bool _fullscreen = false;
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bool _resizeable = false;
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bool _grabMouse = false;
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bool _grabKeyboard = false;
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int _exitCode = -1;
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std::atomic<bool> _rdpThreadRunning = false;
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SDL_PixelFormat _sdlPixelFormat = SDL_PIXELFORMAT_UNKNOWN;
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CriticalSection _critical;
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using SDLSurfacePtr = std::unique_ptr<SDL_Surface, decltype(&SDL_DestroySurface)>;
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SDLSurfacePtr _primary;
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SDL_FPoint _localScale{ 1.0f, 1.0f };
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sdlDispContext _disp;
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sdlInput _input;
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sdlClip _clip;
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SdlConnectionDialogWrapper _dialog;
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std::map<SDL_DisplayID, rdpMonitor> _displays;
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std::map<SDL_WindowID, SdlWindow> _windows;
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std::map<SDL_DisplayID, std::pair<SDL_Rect, SDL_Rect>> _offsets;
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uint32_t _windowWidth = 0;
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uint32_t _windowHeigth = 0;
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WinPREvent _windowsCreatedEvent;
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std::thread _thread;
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};
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