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#include <errno.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "sway/config.h"
#include "sway/commands.h"
#include "sway/input/input-manager.h"
#include "util.h"
struct cmd_results *input_cmd_scroll_factor(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "scroll_factor", EXPECTED_AT_LEAST, 1))) {
return error;
}
struct input_config *ic = config->handler_context.input_config;
if (!ic) {
return cmd_results_new(CMD_FAILURE, "No input device defined.");
}
float scroll_factor = parse_float(argv[0]);
if (isnan(scroll_factor)) {
return cmd_results_new(CMD_INVALID,
"Invalid scroll factor; expected float.");
} else if (scroll_factor < 0) {
return cmd_results_new(CMD_INVALID,
"Scroll factor cannot be negative.");
}
ic->scroll_factor = scroll_factor;
return cmd_results_new(CMD_SUCCESS, NULL);
}
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