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/* See LICENSE file for copyright and license details. */
#include "user.h"
#ifdef __GCC__
# include <string.h>
#else
/* Hack to circumvent that the funcions are defined multiples */
# define strlen strlen_
# define memcpy memcpy_
# define strchr strchr_
static size_t
strlen_(const char *str) {
size_t n = 0;
while (str[n])
n++;
return n;
}
static void *
memcpy_(void *restrict dest, const void *restrict src, size_t n)
{
char *restrict d = dest;
const char *restrict s = src;
size_t i;
for (i = 0; i < n; i++)
d[i] = s[i];
return dest;
}
static char *strchr_(const char *s, int c)
{
char find = (char)c;
for (; *s; s++)
if (*s == find)
return s;
return NULL;
}
#endif
/**
* Let the user select adjustment method, site, partition and CRTC
*
* @param site_state Output slot for the site
* @param part_state Output slot for the partition
* @param crtc_state Output slot for the CRTC
* @return Zero on and only on success
*/
int
select_monitor(libgamma_site_state_t *restrict site_state,
libgamma_partition_state_t *restrict part_state,
libgamma_crtc_state_t *restrict crtc_state)
{
int method;
char *site;
char *tmp;
char buf[256];
int r;
/* -- Adjustment method -- */
/* Let the user select adjustment method */
printf("Select adjustment method:\n");
for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++)
printf(" %i: %s\n", method, method_name(method));
printf("> ");
fflush(stdout);
fgets(buf, sizeof(buf) / sizeof(char), stdin);
method = atoi(buf);
/* -- Site -- */
/* Let the user select site */
printf("Select site: ");
fflush(stdout);
fgets(buf, sizeof(buf) / sizeof(char), stdin);
tmp = strchr(buf, '\n');
if (tmp)
*tmp = '\0';
if (!buf[0]) {
site = NULL;
} else {
site = malloc((strlen(buf) + 1) * sizeof(char));
memcpy(site, buf, strlen(buf) + 1);
}
/* Initialise site state */
if ((r = libgamma_site_initialise(site_state, method, site))) {
free(site);
libgamma_perror("error", r);
return 1;
}
/* -- Partition -- */
/* Check that the site has at least one partition */
if (!site_state->partitions_available) {
libgamma_site_free(site_state);
printf("No partitions found\n");
return 1;
}
/* Let the user select partition */
printf("Select partition [0, %lu]: ", site_state->partitions_available - 1);
fflush(stdout);
fgets(buf, sizeof(buf) / sizeof(char), stdin);
/* Initialise partition state */
if ((r = libgamma_partition_initialise(part_state, site_state, (size_t)atoll(buf)))) {
libgamma_site_free(site_state);
libgamma_perror("error", r);
return 1;
}
/* -- CRTC -- */
/* Check that the partition has at least one CRTC */
if (!part_state->crtcs_available) {
libgamma_partition_free(part_state);
libgamma_site_free(site_state);
printf("No CRTC:s found\n");
return 1;
}
/* Let the user select CRTC */
printf("Select CRTC [0, %lu]: ", part_state->crtcs_available - 1);
fflush(stdout);
fgets(buf, sizeof(buf) / sizeof(char), stdin);
/* Initialise CRTC state. */
if ((r = libgamma_crtc_initialise(crtc_state, part_state, (size_t)atoll(buf)))) {
libgamma_partition_free(part_state);
libgamma_site_free(site_state);
libgamma_perror("error", r);
return 1;
}
printf("\n");
return 0;
}
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