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compositor: Add --help option

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This commit is contained in:
Kristian Høgsberg 2012-07-30 15:41:14 -04:00
parent 321e8b7fd3
commit 572c2ff59a
1 changed files with 49 additions and 0 deletions
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49
src/compositor.c
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@ -3394,6 +3394,50 @@ verify_xdg_runtime_dir(void)
} }
} }
static int
usage(int error_code)
{
fprintf(stderr,
"Usage: weston [OPTIONS]\n\n"
"This is weston version " VERSION ", the Wayland reference compositor.\n"
"Weston supports multiple backends, and depending on which backend is in use\n"
"different options will be accepted.\n\n"
"Core options:\n\n"
" -B, --backend=MODULE\tBackend module, one of drm-backend.so,\n"
"\t\t\t\tx11-backend.so or wayland-backend.so\n"
" -S, --socket=NAME\tName of socket to listen on\n"
" -i, --idle-time=SECS\tIdle time in seconds\n"
" --xserver\t\tEnable X server integration\n"
" --module\t\tLoad the specified module\n"
" --log==FILE\t\tLog to the given file\n"
" -h, --help\t\tThis help message\n\n");
fprintf(stderr,
"Options for drm-backend.so:\n\n"
" --connector=ID\tBring up only this connector\n"
" --seat=SEAT\t\tThe seat that weston should run on\n"
" --tty=TTY\t\tThe tty to use\n"
" --current-mode\tPrefer current KMS mode over EDID preferred mode\n\n");
fprintf(stderr,
"Options for x11-backend.so:\n\n"
" --width=WIDTH\t\tWidth of X window\n"
" --height=HEIGHT\tHeight of X window\n"
" --fullscreen\t\tRun in fullscreen mode\n"
" --output-count=COUNT\tCreate multiple outputs\n"
" --no-input\t\tDont create input devices\n\n");
fprintf(stderr,
"Options for wayland-backend.so:\n\n"
" --width=WIDTH\t\tWidth of Wayland surface\n"
" --height=HEIGHT\tHeight of Wayland surface\n"
" --display=DISPLAY\tWayland display to connect to\n\n");
exit(error_code);
}
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
int ret = EXIT_SUCCESS; int ret = EXIT_SUCCESS;
@ -3414,6 +3458,7 @@ int main(int argc, char *argv[])
char *log = NULL; char *log = NULL;
int32_t idle_time = 300; int32_t idle_time = 300;
int32_t xserver = 0; int32_t xserver = 0;
int32_t help = 0;
char *socket_name = NULL; char *socket_name = NULL;
char *config_file; char *config_file;
@ -3433,11 +3478,15 @@ int main(int argc, char *argv[])
{ WESTON_OPTION_BOOLEAN, "xserver", 0, &xserver }, { WESTON_OPTION_BOOLEAN, "xserver", 0, &xserver },
{ WESTON_OPTION_STRING, "module", 0, &module }, { WESTON_OPTION_STRING, "module", 0, &module },
{ WESTON_OPTION_STRING, "log", 0, &log }, { WESTON_OPTION_STRING, "log", 0, &log },
{ WESTON_OPTION_BOOLEAN, "help", 'h', &help },
}; };
argc = parse_options(core_options, argc = parse_options(core_options,
ARRAY_LENGTH(core_options), argc, argv); ARRAY_LENGTH(core_options), argc, argv);
if (help)
usage(EXIT_SUCCESS);
weston_log_file_open(log); weston_log_file_open(log);
weston_log("%s\n" weston_log("%s\n"