vxKernel/src/keyboard/keydown.c

#include <vhex/keyboard.h>
#include <vhex/keyboard/keycache.h>
#include <stdarg.h>


/* keydown(): Current key state */
int keydown(vkey_t key)
{
	return keycache_keydown(key);
}

/* keydown_all(): Check a set of keys for simultaneous input */
int keydown_all(vkey_t key1, ...)
{
	int key;
	va_list ap;

	va_start(ap, key1);

	key = key1;
	do {
		if (keycache_keydown(key) == 0)
			return 0;
		key = va_arg(ap, vkey_t);
	} while (key != VKEY_NONE);

	va_end(ap);
	return 1;
}

/* keydown_any(): Check a set of keys for any input */
int keydown_any(vkey_t key1, ...)
{
	int key;
	va_list ap;

	va_start(ap, key1);

	key = key1;
	do {
		if (keycache_keydown(key) != 0)
			return 1;
		key = va_arg(ap, vkey_t);
	} while (key != VKEY_NONE);

	va_end(ap);
	return 0;
}