mirror of
https://github.com/NickHu/sway
synced 2024-12-29 22:23:46 +01:00
f8bc928b2d
user will be informed if the scroll button indentifier values causes underflow or overflow.
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
#include <string.h>
|
|
#include <strings.h>
|
|
#include <errno.h>
|
|
#include "sway/config.h"
|
|
#include "sway/commands.h"
|
|
#include "sway/input/input-manager.h"
|
|
|
|
struct cmd_results *input_cmd_scroll_button(int argc, char **argv) {
|
|
struct cmd_results *error = NULL;
|
|
if ((error = checkarg(argc, "scroll_button", EXPECTED_AT_LEAST, 1))) {
|
|
return error;
|
|
}
|
|
struct input_config *current_input_config =
|
|
config->handler_context.input_config;
|
|
if (!current_input_config) {
|
|
return cmd_results_new(CMD_FAILURE, "scroll_button",
|
|
"No input device defined.");
|
|
}
|
|
struct input_config *new_config =
|
|
new_input_config(current_input_config->identifier);
|
|
|
|
errno = 0;
|
|
char *endptr;
|
|
int scroll_button = strtol(*argv, &endptr, 10);
|
|
if (endptr == *argv && scroll_button == 0) {
|
|
free_input_config(new_config);
|
|
return cmd_results_new(CMD_INVALID, "scroll_button",
|
|
"Scroll button identifier must be an integer.");
|
|
}
|
|
if (errno == ERANGE) {
|
|
free_input_config(new_config);
|
|
return cmd_results_new(CMD_INVALID, "scroll_button",
|
|
"Scroll button identifier out of range.");
|
|
}
|
|
if (scroll_button < 0) {
|
|
free_input_config(new_config);
|
|
return cmd_results_new(CMD_INVALID, "scroll_button",
|
|
"Scroll button identifier cannot be negative.");
|
|
}
|
|
new_config->scroll_button = scroll_button;
|
|
|
|
apply_input_config(new_config);
|
|
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
|
|
}
|