This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
testwm2.c
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/* Simple program: Move N sprites around on the screen as fast as possible */
#include "SDL.h"
#define NUM_WINDOWS 2
#define WINDOW_W 640
#define WINDOW_H 480
static int num_windows;
static SDL_WindowID *windows;
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
static void
quit(int rc)
{
if (windows) {
SDL_free(windows);
}
SDL_Quit();
exit(rc);
}
int
main(int argc, char *argv[])
{
int window_w, window_h;
int i, done;
SDL_Event event;
/* Initialize SDL */
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
return (1);
}
num_windows = NUM_WINDOWS;
window_w = WINDOW_W;
window_h = WINDOW_H;
while (argc > 1) {
if (strcmp(argv[argc - 1], "-width") == 0) {
window_w = atoi(argv[argc]);
--argc;
} else if (strcmp(argv[argc - 1], "-height") == 0) {
window_h = atoi(argv[argc]);
--argc;
} else {
fprintf(stderr, "Usage: %s [-width] [-height]\n", argv[0]);
quit(1);
}
}
/* Create the windows */
windows = (SDL_WindowID *) SDL_malloc(num_windows * sizeof(*windows));
if (!windows) {
fprintf(stderr, "Out of memory!\n");
quit(2);
}
for (i = 0; i < num_windows; ++i) {
char title[32];
int x, y;
SDL_snprintf(title, sizeof(title), "testwm %d", i + 1);
if (i == 0) {
x = SDL_WINDOWPOS_CENTERED;
y = SDL_WINDOWPOS_CENTERED;
} else {
x = SDL_WINDOWPOS_UNDEFINED;
y = SDL_WINDOWPOS_UNDEFINED;
}
windows[i] =
SDL_CreateWindow(title, x, y, window_w, window_h,
SDL_WINDOW_SHOWN);
if (!windows[i]) {
fprintf(stderr, "Couldn't create window: %s\n", SDL_GetError());
quit(2);
}
}
/* Loop, blitting sprites and waiting for a keystroke */
done = 0;
while (!done) {
/* Check for events */
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_KEYDOWN:
/* Any keypress quits the app... */
case SDL_QUIT:
done = 1;
break;
default:
break;
}
}
}
quit(0);
}
/* vi: set ts=4 sw=4 expandtab: */