diff --git a/extras/keymap/keymap.c b/extras/keymap/keymap.c index 8fc731debf..18e577a3a4 100644 --- a/extras/keymap/keymap.c +++ b/extras/keymap/keymap.c @@ -153,6 +153,34 @@ fail: return r; } +static void set_key(int fd, const char* scancode_str, const char* keyname) +{ + unsigned scancode; + char *endptr; + char t[105] = "KEY_UNKNOWN"; + const struct key *k; + + scancode = (unsigned) strtol(scancode_str, &endptr, 0); + if (*endptr != '\0') { + fprintf(stderr, "ERROR: Invalid scancode\n"); + exit(1); + } + + snprintf(t, sizeof(t), "KEY_%s", keyname); + + if (!(k = lookup_key(t, strlen(t)))) { + fprintf(stderr, "ERROR: Unknown key name '%s'\n", keyname); + exit(1); + } + + if (evdev_set_keycode(fd, scancode, k->id) < 0) + fprintf(stderr, "setting scancode 0x%2X to key code %i failed\n", + scancode, k->id); + else + printf("setting scancode 0x%2X to key code %i\n", + scancode, k->id); +} + static int merge_table(int fd, const char *filename) { int r = 0; int line = 0; @@ -275,6 +303,7 @@ static void interactive(int fd) static void help(int error) { const char* h = "Usage: keymap []\n" + " keymap scancode keyname [...]\n" " keymap -i \n"; if (error) { fputs(h, stderr); @@ -294,6 +323,7 @@ int main(int argc, char **argv) }; int fd = -1; int opt_interactive = 0; + int i; while (1) { int option; @@ -314,19 +344,35 @@ int main(int argc, char **argv) } } - if (argc < optind+1 || argc > optind+2) + if (argc < optind+1) help (1); if ((fd = evdev_open(argv[optind])) < 0) return 3; - if (argc == optind+2) - merge_table(fd, default_keymap_path(argv[optind+1])); - else { + /* one argument (device): dump or interactive */ + if (argc == optind+1) { if (opt_interactive) interactive(fd); else dump_table(fd); + return 0; } - return 0; + + /* two arguments (device, mapfile): set map file */ + if (argc == optind+2) { + merge_table(fd, default_keymap_path(argv[optind+1])); + return 0; + } + + /* more arguments (device, scancode/keyname pairs): set keys directly */ + if ((argc - optind - 1) % 2 == 0) { + for (i = optind+1; i < argc; i += 2) + set_key(fd, argv[i], argv[i+1]); + return 0; + } + + /* invalid number of arguments */ + help(1); + return 1; /* not reached */ }