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#define _POSIX_C_SOURCE 200809L
#include <stdbool.h>
#include <string.h>
#include <strings.h>
#include "log.h"
#include "sway/commands.h"
#include "sway/config.h"
#include "sway/input/input-manager.h"
static bool parse_coords(const char *str, double *x, double *y, bool *mm) {
*mm = false;
char *end;
// Check for "0x" prefix to avoid strtod treating the string as hex
if (str[0] == '0' && str[1] == 'x') {
if (strlen(str) < 3) {
return false;
}
*x = 0;
end = (char *)str + 2;
} else {
*x = strtod(str, &end);
if (end[0] != 'x') {
return false;
}
++end;
}
*y = strtod(end, &end);
if (end[0] == 'm') {
// Expect mm
if (end[1] != 'm') {
return false;
}
*mm = true;
end = &end[2];
}
if (end[0] != '\0') {
return false;
}
return true;
}
struct cmd_results *input_cmd_map_from_region(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "map_from_region", EXPECTED_EQUAL_TO, 2))) {
return error;
}
struct input_config *ic = config->handler_context.input_config;
if (!ic) {
return cmd_results_new(CMD_FAILURE, "No input device defined");
}
ic->mapped_from_region =
calloc(1, sizeof(struct input_config_mapped_from_region));
bool mm1, mm2;
if (!parse_coords(argv[0], &ic->mapped_from_region->x1,
&ic->mapped_from_region->y1, &mm1)) {
free(ic->mapped_from_region);
ic->mapped_from_region = NULL;
return cmd_results_new(CMD_FAILURE, "Invalid top-left coordinates");
}
if (!parse_coords(argv[1], &ic->mapped_from_region->x2,
&ic->mapped_from_region->y2, &mm2)) {
free(ic->mapped_from_region);
ic->mapped_from_region = NULL;
return cmd_results_new(CMD_FAILURE, "Invalid bottom-right coordinates");
}
if (ic->mapped_from_region->x1 > ic->mapped_from_region->x2 ||
ic->mapped_from_region->y1 > ic->mapped_from_region->y2) {
free(ic->mapped_from_region);
ic->mapped_from_region = NULL;
return cmd_results_new(CMD_FAILURE, "Invalid rectangle");
}
if (mm1 != mm2) {
free(ic->mapped_from_region);
ic->mapped_from_region = NULL;
return cmd_results_new(CMD_FAILURE,
"Both coordinates must be in the same unit");
}
ic->mapped_from_region->mm = mm1;
return cmd_results_new(CMD_SUCCESS, NULL);
}
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