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38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
#include <string.h>
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#include <strings.h>
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#include <errno.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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struct cmd_results *input_cmd_scroll_button(int argc, char **argv) {
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struct cmd_results *error = NULL;
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if ((error = checkarg(argc, "scroll_button", 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, "scroll_button",
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"No input device defined.");
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}
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errno = 0;
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char *endptr;
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int scroll_button = strtol(*argv, &endptr, 10);
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if (endptr == *argv && scroll_button == 0) {
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return cmd_results_new(CMD_INVALID, "scroll_button",
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"Scroll button identifier must be an integer.");
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}
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if (errno == ERANGE) {
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return cmd_results_new(CMD_INVALID, "scroll_button",
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"Scroll button identifier out of range.");
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}
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if (scroll_button < 0) {
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return cmd_results_new(CMD_INVALID, "scroll_button",
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"Scroll button identifier cannot be negative.");
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}
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ic->scroll_button = scroll_button;
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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