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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 11 | pmbaty | 1 | /* |
| 2 | Simple DirectMedia Layer |
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| 3 | Copyright (C) 1997-2023 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_power_h_ |
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| 23 | #define SDL_power_h_ |
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| 24 | |||
| 25 | /** |
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| 26 | * \file SDL_power.h |
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| 27 | * |
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| 28 | * Header for the SDL power management routines. |
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| 29 | */ |
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| 30 | |||
| 31 | #include "SDL_stdinc.h" |
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| 32 | |||
| 33 | #include "begin_code.h" |
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| 34 | /* Set up for C function definitions, even when using C++ */ |
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| 35 | #ifdef __cplusplus |
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| 36 | extern "C" { |
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| 37 | #endif |
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| 38 | |||
| 39 | /** |
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| 40 | * The basic state for the system's power supply. |
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| 41 | */ |
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| 42 | typedef enum |
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| 43 | { |
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| 44 | SDL_POWERSTATE_UNKNOWN, /**< cannot determine power status */ |
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| 45 | SDL_POWERSTATE_ON_BATTERY, /**< Not plugged in, running on the battery */ |
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| 46 | SDL_POWERSTATE_NO_BATTERY, /**< Plugged in, no battery available */ |
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| 47 | SDL_POWERSTATE_CHARGING, /**< Plugged in, charging battery */ |
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| 48 | SDL_POWERSTATE_CHARGED /**< Plugged in, battery charged */ |
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| 49 | } SDL_PowerState; |
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| 50 | |||
| 51 | /** |
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| 52 | * Get the current power supply details. |
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| 53 | * |
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| 54 | * You should never take a battery status as absolute truth. Batteries |
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| 55 | * (especially failing batteries) are delicate hardware, and the values |
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| 56 | * reported here are best estimates based on what that hardware reports. It's |
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| 57 | * not uncommon for older batteries to lose stored power much faster than it |
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| 58 | * reports, or completely drain when reporting it has 20 percent left, etc. |
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| 59 | * |
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| 60 | * Battery status can change at any time; if you are concerned with power |
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| 61 | * state, you should call this function frequently, and perhaps ignore changes |
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| 62 | * until they seem to be stable for a few seconds. |
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| 63 | * |
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| 64 | * It's possible a platform can only report battery percentage or time left |
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| 65 | * but not both. |
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| 66 | * |
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| 67 | * \param seconds seconds of battery life left, you can pass a NULL here if |
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| 68 | * you don't care, will return -1 if we can't determine a |
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| 69 | * value, or we're not running on a battery |
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| 70 | * \param percent percentage of battery life left, between 0 and 100, you can |
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| 71 | * pass a NULL here if you don't care, will return -1 if we |
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| 72 | * can't determine a value, or we're not running on a battery |
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| 73 | * \returns an SDL_PowerState enum representing the current battery state. |
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| 74 | * |
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| 75 | * \since This function is available since SDL 2.0.0. |
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| 76 | */ |
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| 77 | extern DECLSPEC SDL_PowerState SDLCALL SDL_GetPowerInfo(int *seconds, int *percent); |
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| 78 | |||
| 79 | /* Ends C function definitions when using C++ */ |
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| 80 | #ifdef __cplusplus |
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| 81 | } |
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| 82 | #endif |
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| 83 | #include "close_code.h" |
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| 84 | |||
| 85 | #endif /* SDL_power_h_ */ |
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| 86 | |||
| 87 | /* vi: set ts=4 sw=4 expandtab: */ |