SDL  2.0
SDL_power.h
Go to the documentation of this file.
1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 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 */
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: */
SDL_PowerState SDL_GetPowerInfo(int *secs, int *pct)
Get the current power supply details.
Definition: SDL_power.c:88
#define DECLSPEC
Definition: SDL_internal.h:44
SDL_PowerState
The basic state for the system&#39;s power supply.
Definition: SDL_power.h:42
#define SDLCALL
Definition: SDL_internal.h:45