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Improve no device detection support

This commit is contained in:
Drew DeVault 2017-08-16 07:24:46 -04:00
parent 3ac10a81bd
commit beb84940cf
1 changed files with 9 additions and 2 deletions
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11
backend/libinput/backend.c
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@ -64,10 +64,17 @@ static bool wlr_libinput_backend_start(struct wlr_backend *_backend) {
libinput_log_set_priority(backend->libinput_context, LIBINPUT_LOG_PRIORITY_ERROR);
int libinput_fd = libinput_get_fd(backend->libinput_context);
if (backend->wlr_device_lists->length == 0) {
char *no_devs = getenv("WLR_LIBINPUT_NO_DEVICES");
if (no_devs) {
if (strcmp(no_devs, "1") != 0) {
no_devs = NULL;
}
}
if (!no_devs && backend->wlr_device_lists->length == 0) {
wlr_libinput_readable(libinput_fd, WL_EVENT_READABLE, backend);
if (backend->wlr_device_lists->length == 0) {
wlr_log(L_ERROR, "No input device found, failing initialization");
wlr_log(L_ERROR, "libinput initialization failed, no input devices");
wlr_log(L_ERROR, "Set WLR_LIBINPUT_NO_DEVICES=1 to suppress this check");
return false;
}
}