Config.hpp

//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2020 Bruno Van de Velde (vdv_b@tgui.eu)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
 
#ifndef TGUI_CONFIG_HPP
#define TGUI_CONFIG_HPP
 
// Include the SFML config header to check the SFML version
#include <SFML/Config.hpp>
 
// Detect the platform, to enable platform-specific code
#if defined(_WIN32)
 #define TGUI_SYSTEM_WINDOWS // Windows
#elif defined(__APPLE__) && defined(__MACH__)
 #include "TargetConditionals.h"
 #if TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
 #define TGUI_SYSTEM_IOS // iOS
 #elif TARGET_OS_MAC
 #define TGUI_SYSTEM_MACOS // macOS
 #endif
#elif defined(__unix__)
 #if defined(__ANDROID__)
 #define TGUI_SYSTEM_ANDROID // Android
 #else //if defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__)
 #define TGUI_SYSTEM_LINUX // Linux or BSD
 #endif
#endif
 
// TGUI will link in the same way as SFML, unless TGUI_DYNAMIC or TGUI_STATIC is defined
#if !defined(TGUI_DYNAMIC) && !defined(TGUI_STATIC)
 #ifdef SFML_STATIC
 #define TGUI_STATIC
 #endif
#endif
 
#ifndef TGUI_STATIC
 #ifdef TGUI_SYSTEM_WINDOWS
 // Windows compilers need specific (and different) keywords for export and import
 #ifdef TGUI_EXPORTS
 #define TGUI_API __declspec(dllexport)
 #else
 #define TGUI_API __declspec(dllimport)
 #endif
 #else
 #define TGUI_API __attribute__ ((__visibility__ ("default")))
 #endif
#else
 // Static build doesn't need import/export macros
 #define TGUI_API
 #define TGUI_API
#endif
 
 
// Define that specifies the mininmum c++ support in both the TGUI code and user code.
// This constant can be lower than the actual c++ standard version used to compile with,
// as long as this constant is the same when compiling TGUI and when using the TGUI libs.
#define TGUI_COMPILED_WITH_CPP_VER 14
 
// Enable the use of std::filesystem if TGUI is built with c++17 with a new enough compiler.
// Although GCC and clang supported it before version 9, this is the first version where no
// additional library has to be linked in order to use std::filesystem. This is also the
// reason why we can't rely on __cpp_lib_filesystem for this.
#if TGUI_COMPILED_WITH_CPP_VER >= 17
 #if defined(__clang_major__) && (__clang_major__ >= 9) \
 || defined(__GNUC__) && (__GNUC___ >= 9) \
 || defined(_MSC_VER) && (_MSC_VER >= 1914)
 #define TGUI_USE_STD_FILESYSTEM
 #endif
#endif
 
// Include the version header when c++20 is available to use the library feature-testing macros
#ifdef TGUI_COMPILED_WITH_CPP_VER >= 20
 #include <version>
#endif
 
#if defined(__cpp_constexpr) && (__cpp_constexpr >= 201304L)
 #define TGUI_CONSTEXPR constexpr
#else
 #define TGUI_CONSTEXPR inline
#endif
 
#if __cplusplus >= 201703L
 #define TGUI_EMPLACE_BACK(object, vector) auto& object = vector.emplace_back();
#else
 #define TGUI_EMPLACE_BACK(object, vector) vector.emplace_back(); auto& object = vector.back();
#endif
 
#ifndef TGUI_NO_DEPRECATED_WARNINGS
 #define TGUI_DEPRECATED(msg) [[deprecated(msg)]]
#else
 #define TGUI_DEPRECATED(msg)
#endif
 
#ifndef TGUI_NO_RUNTIME_WARNINGS
 #define TGUI_PRINT_WARNING(msg) { sf::err() << "TGUI Warning: " << msg << std::endl; }
#else
 #define TGUI_PRINT_WARNING(msg) {}
#endif
 
// Using [=] gives a warning in c++20, but using [=,this] may not compile with older c++ versions
#if __cplusplus > 201703L
 #define TGUI_LAMBDA_CAPTURE_EQ_THIS [=,this]
#else
 #define TGUI_LAMBDA_CAPTURE_EQ_THIS [=]
#endif
 
 
// Version of the library
#define TGUI_VERSION_MAJOR 0
#define TGUI_VERSION_MINOR 9
#define TGUI_VERSION_PATCH 0
 
#endif // TGUI_CONFIG_HPP