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