mirror of https://github.com/encounter/SDL.git
89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
/*
|
|
Simple DirectMedia Layer
|
|
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
|
|
|
|
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 SDL_power_h_
|
|
#define SDL_power_h_
|
|
|
|
/**
|
|
* \file SDL_power.h
|
|
*
|
|
* Header for the SDL power management routines.
|
|
*/
|
|
|
|
#include "SDL_stdinc.h"
|
|
|
|
#include "begin_code.h"
|
|
/* Set up for C function definitions, even when using C++ */
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* The basic state for the system's power supply.
|
|
*/
|
|
typedef enum
|
|
{
|
|
SDL_POWERSTATE_UNKNOWN, /**< cannot determine power status */
|
|
SDL_POWERSTATE_ON_BATTERY, /**< Not plugged in, running on the battery */
|
|
SDL_POWERSTATE_NO_BATTERY, /**< Plugged in, no battery available */
|
|
SDL_POWERSTATE_CHARGING, /**< Plugged in, charging battery */
|
|
SDL_POWERSTATE_CHARGED /**< Plugged in, battery charged */
|
|
} SDL_PowerState;
|
|
|
|
|
|
/**
|
|
* Get the current power supply details.
|
|
*
|
|
* You should never take a battery status as absolute truth. Batteries
|
|
* (especially failing batteries) are delicate hardware, and the values
|
|
* reported here are best estimates based on what that hardware reports. It's
|
|
* not uncommon for older batteries to lose stored power much faster than it
|
|
* reports, or completely drain when reporting it has 20 percent left, etc.
|
|
*
|
|
* Battery status can change at any time; if you are concerned with power
|
|
* state, you should call this function frequently, and perhaps ignore changes
|
|
* until they seem to be stable for a few seconds.
|
|
*
|
|
* It's possible a platform can only report battery percentage or time left
|
|
* but not both.
|
|
*
|
|
* \param secs seconds of battery life left, you can pass a NULL here if you
|
|
* don't care, will return -1 if we can't determine a value, or
|
|
* we're not running on a battery
|
|
* \param pct percentage of battery life left, between 0 and 100, you can pass
|
|
* a NULL here if you don't care, will return -1 if we can't
|
|
* determine a value, or we're not running on a battery
|
|
* \returns an SDL_PowerState enum representing the current battery state.
|
|
*
|
|
* \since This function is available since SDL 2.0.0.
|
|
*/
|
|
extern DECLSPEC SDL_PowerState SDLCALL SDL_GetPowerInfo(int *secs, int *pct);
|
|
|
|
/* Ends C function definitions when using C++ */
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#include "close_code.h"
|
|
|
|
#endif /* SDL_power_h_ */
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|