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tools/debug-events: print all available options

Browse source 
They're still without explanation but better than just printing
"[options]" without even pointing to the man page.

Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1162>
This commit is contained in:
Peter Hutterer 2025-03-26 11:10:53 +10:00
parent 79dc0261e2
commit 9f98e6d573
3 changed files with 37 additions and 11 deletions
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17
tools/libinput-debug-events.c
View file

@ -179,8 +179,11 @@ mainloop(struct libinput *li)
}
static void
usage(void) {
usage(struct option *opts) {
printf("Usage: libinput debug-events [options] [--udev <seat>|--device /dev/input/event0 ...]\n");
if (opts)
tools_print_usage_option_list(opts);
}
int
@ -232,7 +235,7 @@ main(int argc, char **argv)
exit(EXIT_INVALID_USAGE);
break;
case 'h':
usage();
usage(opts);
exit(EXIT_SUCCESS);
break;
case OPT_SHOW_KEYCODES:
@ -244,7 +247,7 @@ main(int argc, char **argv)
case OPT_DEVICE:
if (backend == BACKEND_UDEV ||
ndevices >= ARRAY_LENGTH(seat_or_devices)) {
usage();
usage(NULL);
return EXIT_INVALID_USAGE;
}
@ -254,7 +257,7 @@ main(int argc, char **argv)
case OPT_UDEV:
if (backend == BACKEND_DEVICE ||
ndevices >= ARRAY_LENGTH(seat_or_devices)) {
usage();
usage(NULL);
return EXIT_INVALID_USAGE;
}
@ -274,7 +277,7 @@ main(int argc, char **argv)
break;
default:
if (tools_parse_option(c, optarg, &options) != 0) {
usage();
usage(NULL);
return EXIT_INVALID_USAGE;
}
break;
@ -284,13 +287,13 @@ main(int argc, char **argv)
if (optind < argc) {
if (backend == BACKEND_UDEV) {
usage();
usage(NULL);
return EXIT_INVALID_USAGE;
}
backend = BACKEND_DEVICE;
do {
if (ndevices >= ARRAY_LENGTH(seat_or_devices)) {
usage();
usage(NULL);
return EXIT_INVALID_USAGE;
}
seat_or_devices[ndevices++] = argv[optind];

11
tools/libinput-debug-gui.c
View file

@ -1883,8 +1883,11 @@ sockets_init(struct libinput *li)
}
static void
usage(void) {
usage(struct option *opts) {
printf("Usage: libinput debug-gui [options] [--udev <seat>|[--device] /dev/input/event0]\n");
if (opts)
tools_print_usage_option_list(opts);
}
static gboolean
@ -1948,7 +1951,7 @@ main(int argc, char **argv)
exit(EXIT_INVALID_USAGE);
break;
case 'h':
usage();
usage(opts);
exit(0);
break;
case OPT_DEVICE:
@ -1967,7 +1970,7 @@ main(int argc, char **argv)
break;
default:
if (tools_parse_option(c, optarg, &options) != 0) {
usage();
usage(NULL);
return EXIT_INVALID_USAGE;
}
break;
@ -1977,7 +1980,7 @@ main(int argc, char **argv)
if (optind < argc) {
if (optind < argc - 1 || backend != BACKEND_NONE) {
usage();
usage(NULL);
return EXIT_INVALID_USAGE;
}
backend = BACKEND_DEVICE;

20
tools/shared.h
View file

@ -30,6 +30,8 @@
#include <quirks.h>
#include <libinput.h>
#include "util-strings.h"
#define EXIT_INVALID_USAGE 2
extern uint32_t log_serial;
@ -111,6 +113,24 @@ enum configuration_options {
{ "set-calibration", required_argument, 0, OPT_CALIBRATION }, \
{ "set-area", required_argument, 0, OPT_AREA }
static inline void
tools_print_usage_option_list(struct option *opts)
{
printf("Options:\n");
struct option *o = opts;
while (o && o->name) {
if (strstartswith(o->name, "enable-") &&
strstartswith((o+1)->name, "disable-")) {
printf(" --%s/--%s\n", o->name, (o+1)->name);
o++;
} else {
printf(" --%s\n", o->name);
}
o++;
}
}
enum tools_backend {
BACKEND_NONE,
BACKEND_DEVICE,