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Diffstat (limited to '')
| -rw-r--r-- | client/SDL/sdl_utils.cpp | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/client/SDL/sdl_utils.cpp b/client/SDL/sdl_utils.cpp new file mode 100644 index 0000000..c3bd2cf --- /dev/null +++ b/client/SDL/sdl_utils.cpp @@ -0,0 +1,465 @@ +/** + * 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. + */ + +#include <fstream> +#if __has_include(<filesystem>) +#include <filesystem> +namespace fs = std::filesystem; +#elif __has_include(<experimental/filesystem>) +#include <experimental/filesystem> +namespace fs = std::experimental::filesystem; +#else +#error Could not find system header "<filesystem>" or "<experimental/filesystem>" +#endif + +#include <cassert> +#include "sdl_utils.hpp" + +#include "sdl_freerdp.hpp" + +#include <SDL.h> + +#include <winpr/path.h> +#include <freerdp/version.h> +#if defined(CJSON_FOUND) +#include <cjson/cJSON.h> +#endif + +const char* sdl_event_type_str(Uint32 type) +{ +#define STR(x) #x +#define EV_CASE_STR(x) \ + case x: \ + return STR(x) + + switch (type) + { + EV_CASE_STR(SDL_FIRSTEVENT); + EV_CASE_STR(SDL_QUIT); + EV_CASE_STR(SDL_APP_TERMINATING); + EV_CASE_STR(SDL_APP_LOWMEMORY); + EV_CASE_STR(SDL_APP_WILLENTERBACKGROUND); + EV_CASE_STR(SDL_APP_DIDENTERBACKGROUND); + EV_CASE_STR(SDL_APP_WILLENTERFOREGROUND); + EV_CASE_STR(SDL_APP_DIDENTERFOREGROUND); +#if SDL_VERSION_ATLEAST(2, 0, 10) + EV_CASE_STR(SDL_DISPLAYEVENT); +#endif + EV_CASE_STR(SDL_WINDOWEVENT); + EV_CASE_STR(SDL_SYSWMEVENT); + EV_CASE_STR(SDL_KEYDOWN); + EV_CASE_STR(SDL_KEYUP); + EV_CASE_STR(SDL_TEXTEDITING); + EV_CASE_STR(SDL_TEXTINPUT); + EV_CASE_STR(SDL_KEYMAPCHANGED); + EV_CASE_STR(SDL_MOUSEMOTION); + EV_CASE_STR(SDL_MOUSEBUTTONDOWN); + EV_CASE_STR(SDL_MOUSEBUTTONUP); + EV_CASE_STR(SDL_MOUSEWHEEL); + EV_CASE_STR(SDL_JOYAXISMOTION); + EV_CASE_STR(SDL_JOYBALLMOTION); + EV_CASE_STR(SDL_JOYHATMOTION); + EV_CASE_STR(SDL_JOYBUTTONDOWN); + EV_CASE_STR(SDL_JOYBUTTONUP); + EV_CASE_STR(SDL_JOYDEVICEADDED); + EV_CASE_STR(SDL_JOYDEVICEREMOVED); + EV_CASE_STR(SDL_CONTROLLERAXISMOTION); + EV_CASE_STR(SDL_CONTROLLERBUTTONDOWN); + EV_CASE_STR(SDL_CONTROLLERBUTTONUP); + EV_CASE_STR(SDL_CONTROLLERDEVICEADDED); + EV_CASE_STR(SDL_CONTROLLERDEVICEREMOVED); + EV_CASE_STR(SDL_CONTROLLERDEVICEREMAPPED); +#if SDL_VERSION_ATLEAST(2, 0, 14) + EV_CASE_STR(SDL_LOCALECHANGED); + EV_CASE_STR(SDL_CONTROLLERTOUCHPADDOWN); + EV_CASE_STR(SDL_CONTROLLERTOUCHPADMOTION); + EV_CASE_STR(SDL_CONTROLLERTOUCHPADUP); + EV_CASE_STR(SDL_CONTROLLERSENSORUPDATE); +#endif + EV_CASE_STR(SDL_FINGERDOWN); + EV_CASE_STR(SDL_FINGERUP); + EV_CASE_STR(SDL_FINGERMOTION); + EV_CASE_STR(SDL_DOLLARGESTURE); + EV_CASE_STR(SDL_DOLLARRECORD); + EV_CASE_STR(SDL_MULTIGESTURE); + EV_CASE_STR(SDL_CLIPBOARDUPDATE); + EV_CASE_STR(SDL_DROPFILE); + EV_CASE_STR(SDL_DROPTEXT); + EV_CASE_STR(SDL_DROPBEGIN); + EV_CASE_STR(SDL_DROPCOMPLETE); + EV_CASE_STR(SDL_AUDIODEVICEADDED); + EV_CASE_STR(SDL_AUDIODEVICEREMOVED); +#if SDL_VERSION_ATLEAST(2, 0, 9) + EV_CASE_STR(SDL_SENSORUPDATE); +#endif + EV_CASE_STR(SDL_RENDER_TARGETS_RESET); + EV_CASE_STR(SDL_RENDER_DEVICE_RESET); + EV_CASE_STR(SDL_USEREVENT); + + EV_CASE_STR(SDL_USEREVENT_CERT_DIALOG); + EV_CASE_STR(SDL_USEREVENT_CERT_RESULT); + EV_CASE_STR(SDL_USEREVENT_SHOW_DIALOG); + EV_CASE_STR(SDL_USEREVENT_SHOW_RESULT); + EV_CASE_STR(SDL_USEREVENT_AUTH_DIALOG); + EV_CASE_STR(SDL_USEREVENT_AUTH_RESULT); + EV_CASE_STR(SDL_USEREVENT_SCARD_DIALOG); + EV_CASE_STR(SDL_USEREVENT_RETRY_DIALOG); + EV_CASE_STR(SDL_USEREVENT_SCARD_RESULT); + EV_CASE_STR(SDL_USEREVENT_UPDATE); + EV_CASE_STR(SDL_USEREVENT_CREATE_WINDOWS); + EV_CASE_STR(SDL_USEREVENT_WINDOW_RESIZEABLE); + EV_CASE_STR(SDL_USEREVENT_WINDOW_FULLSCREEN); + EV_CASE_STR(SDL_USEREVENT_POINTER_NULL); + EV_CASE_STR(SDL_USEREVENT_POINTER_DEFAULT); + EV_CASE_STR(SDL_USEREVENT_POINTER_POSITION); + EV_CASE_STR(SDL_USEREVENT_POINTER_SET); + EV_CASE_STR(SDL_USEREVENT_QUIT); + + EV_CASE_STR(SDL_LASTEVENT); + default: + return "SDL_UNKNOWNEVENT"; + } +#undef EV_CASE_STR +#undef STR +} + +const char* sdl_error_string(Uint32 res) +{ + if (res == 0) + return nullptr; + + return SDL_GetError(); +} + +BOOL sdl_log_error_ex(Uint32 res, wLog* log, const char* what, const char* file, size_t line, + const char* fkt) +{ + const char* msg = sdl_error_string(res); + + WINPR_UNUSED(file); + + if (!msg) + return FALSE; + + WLog_Print(log, WLOG_ERROR, "[%s:%" PRIuz "][%s]: %s", fkt, line, what, msg); + return TRUE; +} + +BOOL sdl_push_user_event(Uint32 type, ...) +{ + SDL_Event ev = {}; + SDL_UserEvent* event = &ev.user; + + va_list ap; + va_start(ap, type); + event->type = type; + switch (type) + { + case SDL_USEREVENT_AUTH_RESULT: + { + auto arg = reinterpret_cast<SDL_UserAuthArg*>(ev.padding); + arg->user = va_arg(ap, char*); + arg->domain = va_arg(ap, char*); + arg->password = va_arg(ap, char*); + arg->result = va_arg(ap, Sint32); + } + break; + case SDL_USEREVENT_AUTH_DIALOG: + { + auto arg = reinterpret_cast<SDL_UserAuthArg*>(ev.padding); + + arg->title = va_arg(ap, char*); + arg->user = va_arg(ap, char*); + arg->domain = va_arg(ap, char*); + arg->password = va_arg(ap, char*); + arg->result = va_arg(ap, Sint32); + } + break; + case SDL_USEREVENT_SCARD_DIALOG: + { + event->data1 = va_arg(ap, char*); + event->data2 = va_arg(ap, char**); + event->code = va_arg(ap, Sint32); + } + break; + case SDL_USEREVENT_RETRY_DIALOG: + break; + case SDL_USEREVENT_SCARD_RESULT: + case SDL_USEREVENT_SHOW_RESULT: + case SDL_USEREVENT_CERT_RESULT: + event->code = va_arg(ap, Sint32); + break; + + case SDL_USEREVENT_SHOW_DIALOG: + event->data1 = va_arg(ap, char*); + event->data2 = va_arg(ap, char*); + event->code = va_arg(ap, Sint32); + break; + case SDL_USEREVENT_CERT_DIALOG: + event->data1 = va_arg(ap, char*); + event->data2 = va_arg(ap, char*); + break; + case SDL_USEREVENT_UPDATE: + event->data1 = va_arg(ap, void*); + break; + case SDL_USEREVENT_POINTER_POSITION: + event->data1 = reinterpret_cast<void*>(static_cast<uintptr_t>(va_arg(ap, UINT32))); + event->data2 = reinterpret_cast<void*>(static_cast<uintptr_t>(va_arg(ap, UINT32))); + break; + case SDL_USEREVENT_POINTER_SET: + event->data1 = va_arg(ap, void*); + event->data2 = va_arg(ap, void*); + break; + case SDL_USEREVENT_CREATE_WINDOWS: + event->data1 = reinterpret_cast<void*>(va_arg(ap, void*)); + break; + case SDL_USEREVENT_WINDOW_FULLSCREEN: + case SDL_USEREVENT_WINDOW_RESIZEABLE: + event->data1 = va_arg(ap, void*); + event->code = va_arg(ap, int); + break; + case SDL_USEREVENT_QUIT: + case SDL_USEREVENT_POINTER_NULL: + case SDL_USEREVENT_POINTER_DEFAULT: + break; + default: + va_end(ap); + return FALSE; + } + va_end(ap); + return SDL_PushEvent(&ev) == 1; +} + +CriticalSection::CriticalSection() +{ + InitializeCriticalSection(&_section); +} + +CriticalSection::~CriticalSection() +{ + DeleteCriticalSection(&_section); +} + +void CriticalSection::lock() +{ + EnterCriticalSection(&_section); +} + +void CriticalSection::unlock() +{ + LeaveCriticalSection(&_section); +} + +WinPREvent::WinPREvent(bool initial) + : _handle(CreateEventA(nullptr, TRUE, initial ? TRUE : FALSE, nullptr)) +{ +} + +WinPREvent::~WinPREvent() +{ + CloseHandle(_handle); +} + +void WinPREvent::set() +{ + SetEvent(_handle); +} + +void WinPREvent::clear() +{ + ResetEvent(_handle); +} + +bool WinPREvent::isSet() const +{ + return WaitForSingleObject(_handle, 0) == WAIT_OBJECT_0; +} + +HANDLE WinPREvent::handle() const +{ + return _handle; +} + +bool sdl_push_quit() +{ + SDL_Event ev = { 0 }; + ev.type = SDL_QUIT; + SDL_PushEvent(&ev); + return true; +} + +std::string sdl_window_event_str(Uint8 ev) +{ + switch (ev) + { + case SDL_WINDOWEVENT_NONE: + return "SDL_WINDOWEVENT_NONE"; + case SDL_WINDOWEVENT_SHOWN: + return "SDL_WINDOWEVENT_SHOWN"; + case SDL_WINDOWEVENT_HIDDEN: + return "SDL_WINDOWEVENT_HIDDEN"; + case SDL_WINDOWEVENT_EXPOSED: + return "SDL_WINDOWEVENT_EXPOSED"; + case SDL_WINDOWEVENT_MOVED: + return "SDL_WINDOWEVENT_MOVED"; + case SDL_WINDOWEVENT_RESIZED: + return "SDL_WINDOWEVENT_RESIZED"; + case SDL_WINDOWEVENT_SIZE_CHANGED: + return "SDL_WINDOWEVENT_SIZE_CHANGED"; + case SDL_WINDOWEVENT_MINIMIZED: + return "SDL_WINDOWEVENT_MINIMIZED"; + case SDL_WINDOWEVENT_MAXIMIZED: + return "SDL_WINDOWEVENT_MAXIMIZED"; + case SDL_WINDOWEVENT_RESTORED: + return "SDL_WINDOWEVENT_RESTORED"; + case SDL_WINDOWEVENT_ENTER: + return "SDL_WINDOWEVENT_ENTER"; + case SDL_WINDOWEVENT_LEAVE: + return "SDL_WINDOWEVENT_LEAVE"; + case SDL_WINDOWEVENT_FOCUS_GAINED: + return "SDL_WINDOWEVENT_FOCUS_GAINED"; + case SDL_WINDOWEVENT_FOCUS_LOST: + return "SDL_WINDOWEVENT_FOCUS_LOST"; + case SDL_WINDOWEVENT_CLOSE: + return "SDL_WINDOWEVENT_CLOSE"; +#if SDL_VERSION_ATLEAST(2, 0, 5) + case SDL_WINDOWEVENT_TAKE_FOCUS: + return "SDL_WINDOWEVENT_TAKE_FOCUS"; + case SDL_WINDOWEVENT_HIT_TEST: + return "SDL_WINDOWEVENT_HIT_TEST"; +#endif +#if SDL_VERSION_ATLEAST(2, 0, 18) + case SDL_WINDOWEVENT_ICCPROF_CHANGED: + return "SDL_WINDOWEVENT_ICCPROF_CHANGED"; + case SDL_WINDOWEVENT_DISPLAY_CHANGED: + return "SDL_WINDOWEVENT_DISPLAY_CHANGED"; +#endif + default: + return "SDL_WINDOWEVENT_UNKNOWN"; + } +} + +#if defined(CJSON_FOUND) +using cJSONPtr = std::unique_ptr<cJSON, decltype(&cJSON_Delete)>; + +static cJSONPtr get() +{ + auto config = sdl_get_pref_file(); + + std::ifstream ifs(config); + std::string content((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>())); + return { cJSON_ParseWithLength(content.c_str(), content.size()), cJSON_Delete }; +} + +static cJSON* get_item(const std::string& key) +{ + static cJSONPtr config{ nullptr, cJSON_Delete }; + if (!config) + config = get(); + if (!config) + return nullptr; + return cJSON_GetObjectItem(config.get(), key.c_str()); +} + +static std::string item_to_str(cJSON* item, const std::string& fallback = "") +{ + if (!item || !cJSON_IsString(item)) + return fallback; + auto str = cJSON_GetStringValue(item); + if (!str) + return {}; + return str; +} +#endif + +std::string sdl_get_pref_string(const std::string& key, const std::string& fallback) +{ +#if defined(CJSON_FOUND) + auto item = get_item(key); + return item_to_str(item, fallback); +#else + return fallback; +#endif +} + +bool sdl_get_pref_bool(const std::string& key, bool fallback) +{ +#if defined(CJSON_FOUND) + auto item = get_item(key); + if (!item || !cJSON_IsBool(item)) + return fallback; + return cJSON_IsTrue(item); +#else + return fallback; +#endif +} + +int64_t sdl_get_pref_int(const std::string& key, int64_t fallback) +{ +#if defined(CJSON_FOUND) + auto item = get_item(key); + if (!item || !cJSON_IsNumber(item)) + return fallback; + auto val = cJSON_GetNumberValue(item); + return static_cast<int64_t>(val); +#else + return fallback; +#endif +} + +std::vector<std::string> sdl_get_pref_array(const std::string& key, + const std::vector<std::string>& fallback) +{ +#if defined(CJSON_FOUND) + auto item = get_item(key); + if (!item || !cJSON_IsArray(item)) + return fallback; + + std::vector<std::string> values; + for (int x = 0; x < cJSON_GetArraySize(item); x++) + { + auto cur = cJSON_GetArrayItem(item, x); + values.push_back(item_to_str(cur)); + } + + return values; +#else + return fallback; +#endif +} + +std::string sdl_get_pref_dir() +{ + using CStringPtr = std::unique_ptr<char, decltype(&free)>; + CStringPtr path(GetKnownPath(KNOWN_PATH_XDG_CONFIG_HOME), free); + if (!path) + return {}; + + fs::path config{ path.get() }; + config /= FREERDP_VENDOR; + config /= FREERDP_PRODUCT; + return config.string(); +} + +std::string sdl_get_pref_file() +{ + fs::path config{ sdl_get_pref_dir() }; + config /= "sdl-freerdp.json"; + return config.string(); +} |