41 lines
1.1 KiB
C
Executable File
41 lines
1.1 KiB
C
Executable File
#ifndef _lib_sdl_H
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#define _lib_sdl_H
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#define SDL_BUTTON_INDEX_COUNT 5
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#if defined(_WIN32) && !defined(NO_WSDL)
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# include "sysdep/win/wsdl.h"
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// The SDL_BUTTON_* enum is zero-based and in the range [0..4] in wsdl.h
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#define SDL_BUTTON_TO_INDEX(_but) _but
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#define SDL_INDEX_TO_BUTTON(_idx) _idx
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#else
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# include <SDL/SDL.h>
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# include <SDL/SDL_thread.h>
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# include <SDL/SDL_endian.h>
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// if the compiler doesn't support inlining, this header will pull
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// in static bswap routines. doesn't matter - modern compilers
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// will strip them if unused, and this is more convenient than
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// another header that toggles between wsdl and SDL_endian.h.
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#if SDL_BUTTON_LEFT == 1 && SDL_BUTTON_MIDDLE == 2 && SDL_BUTTON_RIGHT == 3 \
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&& SDL_BUTTON_WHEELUP == 4 && SDL_BUTTON_WHEELDOWN == 5
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#define SDL_BUTTON_TO_INDEX(_but) ((_but) - 1)
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#define SDL_INDEX_TO_BUTTON(_idx) ((_idx) - 1)
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#else
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/* Add a test like the one above for your set of button constants, and implement
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the BUTTON_TO_INDEX macros so that the resulting indices are within the range
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[0, SDL_BUTTON_INDEX_COUNT-1]
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*/
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#error "Platform with unrecognized SDL constants. Update sdl.h"
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#endif
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#endif
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#endif // _lib_sdl_H
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