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Support keyboard led indicator on wayland as well

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dec05eba
2025-11-08 03:28:18 +01:00
parent 0995e86e89
commit d1f8db3760
12 changed files with 282 additions and 47 deletions
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45
tools/gsr-global-hotkeys/main.c
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@@ -1,19 +1,26 @@
#include "keyboard_event.h"
#include "leds.h"
/* C stdlib */
#include <stdio.h>
#include <string.h>
#include <locale.h>
#include <stdbool.h>
/* POSIX */
#include <unistd.h>
static void usage(void) {
fprintf(stderr, "usage: gsr-global-hotkeys [--all|--virtual]\n");
fprintf(stderr, "usage: gsr-global-hotkeys [--all|--virtual|--no-grab|--set-led] [Scroll Lock] [on|off]\n");
fprintf(stderr, "OPTIONS:\n");
fprintf(stderr, " --all Grab all devices.\n");
fprintf(stderr, " --virtual Grab all virtual devices only.\n");
fprintf(stderr, " --no-grab Don't grab devices, only listen to them.\n");
fprintf(stderr, " --set-led Turn device led on/off.\n");
fprintf(stderr, "EXAMPLES:\n");
fprintf(stderr, " gsr-global-hotkeys --all\n");
fprintf(stderr, " gsr-global-hotkeys --set-led \"Scroll Lock\" on\n");
fprintf(stderr, " gsr-global-hotkeys --set-led \"Scroll Lock\" off\n");
}
static bool is_gsr_global_hotkeys_already_running(void) {
@@ -38,6 +45,8 @@ int main(int argc, char **argv) {
setlocale(LC_ALL, "C"); /* Sigh... stupid C */
keyboard_grab_type grab_type = KEYBOARD_GRAB_TYPE_ALL;
const uid_t user_id = getuid();
if(argc == 2) {
const char *grab_type_arg = argv[1];
if(strcmp(grab_type_arg, "--all") == 0) {
@@ -46,11 +55,42 @@ int main(int argc, char **argv) {
grab_type = KEYBOARD_GRAB_TYPE_VIRTUAL;
} else if(strcmp(grab_type_arg, "--no-grab") == 0) {
grab_type = KEYBOARD_GRAB_TYPE_NO_GRAB;
} else if(strcmp(grab_type_arg, "--set-led") == 0) {
fprintf(stderr, "Error: missing led name and on/off argument to --set-led\n");
usage();
return 1;
} else {
fprintf(stderr, "gsr-global-hotkeys error: expected --all, --virtual or --no-grab, got %s\n", grab_type_arg);
fprintf(stderr, "gsr-global-hotkeys error: expected --all, --virtual, --no-grab or --set-led, got %s\n", grab_type_arg);
usage();
return 1;
}
} else if(argc == 4) {
/* It's not ideal to use gsr-global-hotkeys for leds, but we do that for now because it's a mess to create another binary for flatpak and distros */
const char *led_name = argv[2];
const char *led_enabled_str = argv[3];
bool led_enabled = false;
if(strcmp(led_enabled_str, "on") == 0) {
led_enabled = true;
} else if(strcmp(led_enabled_str, "off") == 0) {
led_enabled = false;
} else {
fprintf(stderr, "Error: expected \"on\" or \"off\" for --set-led option, got: \"%s\"", led_enabled_str);
usage();
return 1;
}
if(geteuid() != 0) {
if(setuid(0) == -1) {
fprintf(stderr, "gsr-global-hotkeys error: failed to change user to root, global hotkeys will not work. Make sure to set the correct capability on gsr-global-hotkeys\n");
return 1;
}
}
const bool success = set_leds(led_name, led_enabled);
setuid(user_id);
return success ? 0 : 1;
} else if(argc != 1) {
fprintf(stderr, "gsr-global-hotkeys error: expected 0 or 1 arguments, got %d argument(s)\n", argc);
usage();
@@ -62,7 +102,6 @@ int main(int argc, char **argv) {
return 1;
}
const uid_t user_id = getuid();
if(geteuid() != 0) {
if(setuid(0) == -1) {
fprintf(stderr, "gsr-global-hotkeys error: failed to change user to root, global hotkeys will not work. Make sure to set the correct capability on gsr-global-hotkeys\n");