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| 1 | pmbaty | 1 | /* |
| 2 | Simple DirectMedia Layer |
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| 3 | Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org> |
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| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied |
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| 6 | warranty. In no event will the authors be held liable for any damages |
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| 7 | arising from the use of this software. |
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| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, |
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| 10 | including commercial applications, and to alter it and redistribute it |
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| 11 | freely, subject to the following restrictions: |
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| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not |
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| 14 | claim that you wrote the original software. If you use this software |
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| 15 | in a product, an acknowledgment in the product documentation would be |
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| 16 | appreciated but is not required. |
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| 17 | 2. Altered source versions must be plainly marked as such, and must not be |
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| 18 | misrepresented as being the original software. |
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| 19 | 3. This notice may not be removed or altered from any source distribution. |
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| 20 | */ |
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| 21 | |||
| 22 | #ifndef SDL_main_h_ |
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| 23 | #define SDL_main_h_ |
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| 24 | |||
| 25 | #include "SDL_stdinc.h" |
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| 26 | |||
| 27 | /** |
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| 28 | * \file SDL_main.h |
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| 29 | * |
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| 30 | * Redefine main() on some platforms so that it is called by SDL. |
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| 31 | */ |
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| 32 | |||
| 33 | #ifndef SDL_MAIN_HANDLED |
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| 34 | #if defined(__WIN32__) |
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| 35 | /* On Windows SDL provides WinMain(), which parses the command line and passes |
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| 36 | the arguments to your main function. |
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| 37 | |||
| 38 | If you provide your own WinMain(), you may define SDL_MAIN_HANDLED |
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| 39 | */ |
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| 40 | #define SDL_MAIN_AVAILABLE |
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| 41 | |||
| 42 | #elif defined(__WINRT__) |
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| 43 | /* On WinRT, SDL provides a main function that initializes CoreApplication, |
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| 44 | creating an instance of IFrameworkView in the process. |
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| 45 | |||
| 46 | Please note that #include'ing SDL_main.h is not enough to get a main() |
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| 47 | function working. In non-XAML apps, the file, |
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| 48 | src/main/winrt/SDL_WinRT_main_NonXAML.cpp, or a copy of it, must be compiled |
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| 49 | into the app itself. In XAML apps, the function, SDL_WinRTRunApp must be |
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| 50 | called, with a pointer to the Direct3D-hosted XAML control passed in. |
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| 51 | */ |
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| 52 | #define SDL_MAIN_NEEDED |
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| 53 | |||
| 54 | #elif defined(__IPHONEOS__) |
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| 55 | /* On iOS SDL provides a main function that creates an application delegate |
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| 56 | and starts the iOS application run loop. |
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| 57 | |||
| 58 | See src/video/uikit/SDL_uikitappdelegate.m for more details. |
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| 59 | */ |
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| 60 | #define SDL_MAIN_NEEDED |
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| 61 | |||
| 62 | #elif defined(__ANDROID__) |
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| 63 | /* On Android SDL provides a Java class in SDLActivity.java that is the |
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| 64 | main activity entry point. |
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| 65 | |||
| 66 | See README-android.md for more details on extending that class. |
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| 67 | */ |
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| 68 | #define SDL_MAIN_NEEDED |
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| 69 | |||
| 70 | #elif defined(__NACL__) |
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| 71 | /* On NACL we use ppapi_simple to set up the application helper code, |
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| 72 | then wait for the first PSE_INSTANCE_DIDCHANGEVIEW event before |
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| 73 | starting the user main function. |
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| 74 | All user code is run in a separate thread by ppapi_simple, thus |
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| 75 | allowing for blocking io to take place via nacl_io |
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| 76 | */ |
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| 77 | #define SDL_MAIN_NEEDED |
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| 78 | |||
| 79 | #endif |
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| 80 | #endif /* SDL_MAIN_HANDLED */ |
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| 81 | |||
| 82 | #ifdef __cplusplus |
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| 83 | #define C_LINKAGE "C" |
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| 84 | #else |
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| 85 | #define C_LINKAGE |
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| 86 | #endif /* __cplusplus */ |
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| 87 | |||
| 88 | /** |
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| 89 | * \file SDL_main.h |
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| 90 | * |
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| 91 | * The application's main() function must be called with C linkage, |
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| 92 | * and should be declared like this: |
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| 93 | * \code |
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| 94 | * #ifdef __cplusplus |
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| 95 | * extern "C" |
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| 96 | * #endif |
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| 97 | * int main(int argc, char *argv[]) |
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| 98 | * { |
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| 99 | * } |
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| 100 | * \endcode |
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| 101 | */ |
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| 102 | |||
| 103 | #if defined(SDL_MAIN_NEEDED) || defined(SDL_MAIN_AVAILABLE) |
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| 104 | #define main SDL_main |
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| 105 | #endif |
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| 106 | |||
| 107 | /** |
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| 108 | * The prototype for the application's main() function |
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| 109 | */ |
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| 110 | extern C_LINKAGE DECLSPEC int SDL_main(int argc, char *argv[]); |
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| 111 | |||
| 112 | |||
| 113 | #include "begin_code.h" |
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| 114 | #ifdef __cplusplus |
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| 115 | extern "C" { |
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| 116 | #endif |
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| 117 | |||
| 118 | /** |
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| 119 | * This is called by the real SDL main function to let the rest of the |
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| 120 | * library know that initialization was done properly. |
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| 121 | * |
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| 122 | * Calling this yourself without knowing what you're doing can cause |
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| 123 | * crashes and hard to diagnose problems with your application. |
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| 124 | */ |
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| 125 | extern DECLSPEC void SDLCALL SDL_SetMainReady(void); |
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| 126 | |||
| 127 | #ifdef __WIN32__ |
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| 128 | |||
| 129 | /** |
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| 130 | * This can be called to set the application class at startup |
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| 131 | */ |
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| 132 | extern DECLSPEC int SDLCALL SDL_RegisterApp(char *name, Uint32 style, |
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| 133 | void *hInst); |
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| 134 | extern DECLSPEC void SDLCALL SDL_UnregisterApp(void); |
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| 135 | |||
| 136 | #endif /* __WIN32__ */ |
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| 137 | |||
| 138 | |||
| 139 | #ifdef __WINRT__ |
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| 140 | |||
| 141 | /** |
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| 142 | * \brief Initializes and launches an SDL/WinRT application. |
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| 143 | * |
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| 144 | * \param mainFunction The SDL app's C-style main(). |
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| 145 | * \param reserved Reserved for future use; should be NULL |
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| 146 | * \return 0 on success, -1 on failure. On failure, use SDL_GetError to retrieve more |
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| 147 | * information on the failure. |
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| 148 | */ |
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| 149 | extern DECLSPEC int SDLCALL SDL_WinRTRunApp(int (*mainFunction)(int, char **), void * reserved); |
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| 150 | |||
| 151 | #endif /* __WINRT__ */ |
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| 152 | |||
| 153 | |||
| 154 | #ifdef __cplusplus |
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| 155 | } |
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| 156 | #endif |
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| 157 | #include "close_code.h" |
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| 158 | |||
| 159 | #endif /* SDL_main_h_ */ |
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| 160 | |||
| 161 | /* vi: set ts=4 sw=4 expandtab: */ |