FifeGUI
0.3.0
A C++ GUI library designed for games.
fifechan
platform.hpp
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// SPDX-License-Identifier: LGPL-2.1-or-later OR BSD-3-Clause
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// SPDX-FileCopyrightText: 2004 - 2008 Olof Naessén and Per Larsson
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// SPDX-FileCopyrightText: 2013 - 2026 Fifengine contributors
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#ifndef INCLUDE_FIFECHAN_PLATFORM_HPP_
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#define INCLUDE_FIFECHAN_PLATFORM_HPP_
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// NOLINTBEGIN(cppcoreguidelines-macro-usage)
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// The warning suggests to use constexpr instead of macros.
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// This is not always possible, e.g. for platform detection macros.
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// clang-format off
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// Check and defines for the operating system
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#if !defined(FIFEGUI_OS_WINDOWS) && (defined(_WIN32) || defined(_WIN64))
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#define FIFEGUI_OS_WINDOWS 1
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#endif
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#if !defined(FIFEGUI_OS_LINUX) && defined(__linux__)
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#define FIFEGUI_OS_LINUX 1
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#endif
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#if !defined(FIFEGUI_OS_MACOS) && defined(__APPLE__)
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#define FIFEGUI_OS_MACOS 1
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#endif
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// Check and defines for the compiler
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#if !defined(FIFEGUI_COMPILER_MSVC) && defined(_MSC_VER)
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#define FIFEGUI_COMPILER_MSVC 1
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#endif
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#if !defined(FIFEGUI_COMPILER_GNU) && defined(__GNUC__)
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#define FIFEGUI_COMPILER_GNU 1
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#endif
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#if !defined(FIFEGUI_COMPILER_CLANG) && defined(__clang__)
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#define FIFEGUI_COMPILER_CLANG 1
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#endif
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#if !defined(FIFEGUI_COMPILER_MINGW) && defined(__MINGW32__)
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#define FIFEGUI_COMPILER_MINGW 1
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#endif
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// Static builds do not use import/export decorations on Windows.
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#ifndef FIFECHAN_STATIC
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#ifdef FIFECHAN_STATICLIB
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#define FIFECHAN_STATIC 1
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#endif
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#endif
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// FIFECHAN_BUILD and FIIFECHAN_EXTENSION_BUILD are defined in CMakeLists.txt.
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// FIFECHAN_BUILD is our manual definition for building the core library.
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// FIFECHAN_EXTENSION_BUILD is our manual definition for building an extension to the core library.
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// Additionally CMake automatically defines target_EXPORTS when building a shared library, e.g
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// fifechan_EXPORTS when building the library.
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#ifdef FIFEGUI_OS_LINUX
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// For Linux, we only need to use __attribute__ for visibility.
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#if defined(FIFECHAN_BUILD) || defined(fifechan_EXPORTS)
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// Building the library
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#define FIFEGUI_API __attribute__((visibility("default")))
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#elif defined(FIFECHAN_EXTENSION_BUILD)
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// Building an extension to the library
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#define FIFEGUI_API __attribute__((visibility("default")))
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#define FIFEGUI_EXT_API __attribute__((visibility("default")))
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#elif defined(FIFECHAN_DLL_IMPORT)
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// Importing symbols (not typically used on Linux, but included for completeness)
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#define FIFEGUI_API __attribute__((visibility("default")))
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#define FIFEGUI_EXT_API __attribute__((visibility("default")))
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#endif
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#elif defined(FIFEGUI_OS_WINDOWS)
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#if defined(FIFECHAN_STATIC)
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#define FIFEGUI_API
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#define FIFEGUI_EXT_API
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#elif defined(FIFEGUI_COMPILER_MSVC) || defined(FIFEGUI_COMPILER_MINGW)
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#if defined(FIFECHAN_EXTENSION_BUILD)
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// Building an extension to the library
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//#pragma message(">>> FIFECHAN_EXTENSION_BUILD: Taking extension branch")
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#define FIFEGUI_API __declspec(dllimport)
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#define FIFEGUI_EXT_API __declspec(dllexport)
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#elif defined(FIFECHAN_BUILD) || defined(fifechan_EXPORTS)
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//#pragma message(">>> fifechan_EXPORTS: Taking core library branch")
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// Building the library
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#define FIFEGUI_API __declspec(dllexport)
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// Not building extensions
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#define FIFEGUI_EXT_API
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#else
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#pragma message(">>> Default: Taking client application branch")
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// Using the library
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#define FIFEGUI_API __declspec(dllimport)
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#define FIFEGUI_EXT_API __declspec(dllimport)
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#endif
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#elif defined(FIFEGUI_COMPILER_CLANG)
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#if defined(FIFECHAN_BUILD) || defined(fifechan_EXPORTS)
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// Building the library
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#define FIFEGUI_API __declspec(dllexport) __attribute__ ((visibility("default")))
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#define FIFEGUI_EXT_API __declspec(dllexport) __attribute__ ((visibility("default")))
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#elif defined(FIFECHAN_EXTENSION_BUILD)
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// Building an extension to the library
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#define FIFEGUI_API __declspec(dllimport) __attribute__ ((visibility("default")))
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#define FIFEGUI_EXT_API __declspec(dllexport) __attribute__ ((visibility("default")))
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#else
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// Using the library
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#define FIFEGUI_API __declspec(dllimport) __attribute__ ((visibility("default")))
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#define FIFEGUI_EXT_API __declspec(dllimport) __attribute__ ((visibility("default")))
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#endif
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#endif
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#else
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// whatever
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#endif
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// For other compilers/platforms, default visibility is assumed.
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#ifndef FIFEGUI_API
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#define FIFEGUI_API __attribute__ ((visibility("default")))
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#endif
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#ifndef FIFEGUI_EXT_API
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#define FIFEGUI_EXT_API __attribute__ ((visibility("default")))
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#endif
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// clang-format on
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// NOLINTEND(cppcoreguidelines-macro-usage)
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#endif
// INCLUDE_FIFECHAN_PLATFORM_HPP_
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