toaruos/apps/demo.c
2022-01-30 21:25:27 +09:00

79 lines
1.8 KiB
C

/**
* @brief Simple executable that was used during initial testing of Misaka.
*
* @copyright
* This file is part of ToaruOS and is released under the terms
* of the NCSA / University of Illinois License - see LICENSE.md
* Copyright (C) 2021 K. Lange
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <syscall.h>
#include <sys/time.h>
#include <sys/utsname.h>
#include <toaru/graphics.h>
#include <toaru/text.h>
static sprite_t wallpaper;
static struct TT_Font * _tt_font_thin;
static struct tm * timeinfo;
static gfx_context_t * ctx;
static void redraw(void) {
draw_sprite(ctx, &wallpaper, 0, 0);
struct utsname u;
uname(&u);
char string[1024];
snprintf(string, 1024,
"ToaruOS %s %s %s",
u.release, u.version, u.machine);
tt_draw_string_shadow(ctx, _tt_font_thin, string, 15, 30, 30, rgb(255,255,255), rgb(0,0,0), 4);
strftime(string,1024,"%a %d %b %Y %T %Z",timeinfo);
tt_draw_string_shadow(ctx, _tt_font_thin, string, 15, 30, 60, rgb(255,255,255), rgb(0,0,0), 4);
flip(ctx);
}
int main(int argc, char * argv[]) {
fprintf(stderr, "open() = %ld\n", syscall_open("/dev/null", 0, 0));
fprintf(stderr, "open() = %ld\n", syscall_open("/dev/null", 1, 0));
fprintf(stderr, "open() = %ld\n", syscall_open("/dev/null", 1, 0));
ctx = init_graphics_fullscreen_double_buffer();
draw_fill(ctx, rgb(120,120,120));
flip(ctx);
_tt_font_thin = tt_font_from_file("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf");
load_sprite(&wallpaper, "/usr/share/wallpaper.jpg");
draw_fill(ctx, rgb(0,0,0));
flip(ctx);
struct timeval now;
gettimeofday(&now, NULL);
int forked = 0;
while (1) {
time_t last = now.tv_sec;
timeinfo = localtime(&last);
redraw();
while (1) {
gettimeofday(&now, NULL);
if (now.tv_sec != last) break;
}
if (!forked) {
forked = 1;
system("uname -a");
}
}
return 0;
}