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#include <assert.h>
#include <stdlib.h>
#include <strings.h>
#include "sway/commands.h"
#include "sway/tree/view.h"
#include "log.h"
struct cmd_results *cmd_opacity(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "opacity", EXPECTED_AT_LEAST, 1))) {
return error;
}
struct sway_container *con = config->handler_context.container;
if (con == NULL) {
return cmd_results_new(CMD_FAILURE, "No current container");
}
char *err;
float val = strtof(argc == 1 ? argv[0] : argv[1], &err);
if (*err) {
return cmd_results_new(CMD_INVALID, "opacity float invalid");
}
if (!strcasecmp(argv[0], "plus")) {
val = con->alpha + val;
} else if (!strcasecmp(argv[0], "minus")) {
val = con->alpha - val;
} else if (argc > 1 && strcasecmp(argv[0], "set")) {
return cmd_results_new(CMD_INVALID,
"Expected: set|plus|minus <0..1>: %s", argv[0]);
}
if (val < 0 || val > 1) {
return cmd_results_new(CMD_FAILURE, "opacity value out of bounds");
}
con->alpha = val;
return cmd_results_new(CMD_SUCCESS, NULL);
}
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