view test/testpower.c @ 3502:98a819296cdc

Whenever a window becomes fullscreen, shown, unminimized, and has input focus it will change the display to the corresponding fullscreen video mode. If it loses any of those properties the desktop mode will be restored.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 01 Dec 2009 08:56:12 +0000
parents 51750b7a966f
children
line wrap: on
line source

/* Simple test of power subsystem. */

#include <stdio.h>
#include "SDL.h"

static void
report_power(void)
{
    int seconds, percent;
    const SDL_PowerState state = SDL_GetPowerInfo(&seconds, &percent);
    char *statestr = NULL;

    printf("SDL-reported power info...\n");
    switch (state) {
    case SDL_POWERSTATE_UNKNOWN:
        statestr = "Unknown";
        break;
    case SDL_POWERSTATE_ON_BATTERY:
        statestr = "On battery";
        break;
    case SDL_POWERSTATE_NO_BATTERY:
        statestr = "No battery";
        break;
    case SDL_POWERSTATE_CHARGING:
        statestr = "Charging";
        break;
    case SDL_POWERSTATE_CHARGED:
        statestr = "Charged";
        break;
    default:
        statestr = "!!API ERROR!!";
        break;
    }

    printf("State: %s\n", statestr);

    if (percent == -1) {
        printf("Percent left: unknown\n");
    } else {
        printf("Percent left: %d%%\n", percent);
    }

    if (seconds == -1) {
        printf("Time left: unknown\n");
    } else {
        printf("Time left: %d minutes, %d seconds\n", (int) (seconds / 60),
               (int) (seconds % 60));
    }
}


int
main(int argc, char *argv[])
{
    if (SDL_Init(SDL_INIT_VIDEO) == -1) {
        fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
        return 1;
    }

    report_power();

    SDL_Quit();
    return 0;
}

/* end of testpower.c ... */