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  1. /*
  2.   Simple DirectMedia Layer
  3.   Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
  4.  
  5.   This software is provided 'as-is', without any express or implied
  6.   warranty.  In no event will the authors be held liable for any damages
  7.   arising from the use of this software.
  8.  
  9.   Permission is granted to anyone to use this software for any purpose,
  10.   including commercial applications, and to alter it and redistribute it
  11.   freely, subject to the following restrictions:
  12.  
  13.   1. The origin of this software must not be misrepresented; you must not
  14.      claim that you wrote the original software. If you use this software
  15.      in a product, an acknowledgment in the product documentation would be
  16.      appreciated but is not required.
  17.   2. Altered source versions must be plainly marked as such, and must not be
  18.      misrepresented as being the original software.
  19.   3. This notice may not be removed or altered from any source distribution.
  20. */
  21.  
  22. #ifndef SDL_power_h_
  23. #define SDL_power_h_
  24.  
  25. /**
  26.  *  \file SDL_power.h
  27.  *
  28.  *  Header for the SDL power management routines.
  29.  */
  30.  
  31. #include "SDL_stdinc.h"
  32.  
  33. #include "begin_code.h"
  34. /* Set up for C function definitions, even when using C++ */
  35. #ifdef __cplusplus
  36. extern "C" {
  37. #endif
  38.  
  39. /**
  40.  *  \brief The basic state for the system's power supply.
  41.  */
  42. typedef enum
  43. {
  44.     SDL_POWERSTATE_UNKNOWN,      /**< cannot determine power status */
  45.     SDL_POWERSTATE_ON_BATTERY,   /**< Not plugged in, running on the battery */
  46.     SDL_POWERSTATE_NO_BATTERY,   /**< Plugged in, no battery available */
  47.     SDL_POWERSTATE_CHARGING,     /**< Plugged in, charging battery */
  48.     SDL_POWERSTATE_CHARGED       /**< Plugged in, battery charged */
  49. } SDL_PowerState;
  50.  
  51.  
  52. /**
  53.  *  \brief Get the current power supply details.
  54.  *
  55.  *  \param secs Seconds of battery life left. You can pass a NULL here if
  56.  *              you don't care. Will return -1 if we can't determine a
  57.  *              value, or we're not running on a battery.
  58.  *
  59.  *  \param pct Percentage of battery life left, between 0 and 100. You can
  60.  *             pass a NULL here if you don't care. Will return -1 if we
  61.  *             can't determine a value, or we're not running on a battery.
  62.  *
  63.  *  \return The state of the battery (if any).
  64.  */
  65. extern DECLSPEC SDL_PowerState SDLCALL SDL_GetPowerInfo(int *secs, int *pct);
  66.  
  67. /* Ends C function definitions when using C++ */
  68. #ifdef __cplusplus
  69. }
  70. #endif
  71. #include "close_code.h"
  72.  
  73. #endif /* SDL_power_h_ */
  74.  
  75. /* vi: set ts=4 sw=4 expandtab: */
  76.