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Update libinput backend with new state design

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This commit is contained in:
Drew DeVault 2017-08-12 13:51:47 -04:00
parent 81cd90297d
commit c95a108d2f
4 changed files with 80 additions and 86 deletions
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100
backend/libinput/backend.c
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@ -8,14 +8,14 @@
#include "backend/libinput.h"
static int wlr_libinput_open_restricted(const char *path,
int flags, void *_state) {
struct wlr_backend_state *state = _state;
return wlr_session_open_file(state->session, path);
int flags, void *_backend) {
struct wlr_libinput_backend *backend = _backend;
return wlr_session_open_file(backend->session, path);
}
static void wlr_libinput_close_restricted(int fd, void *_state) {
struct wlr_backend_state *state = _state;
wlr_session_close_file(state->session, fd);
static void wlr_libinput_close_restricted(int fd, void *_backend) {
struct wlr_libinput_backend *backend = _backend;
wlr_session_close_file(backend->session, fd);
}
static const struct libinput_interface libinput_impl = {
@ -23,16 +23,16 @@ static const struct libinput_interface libinput_impl = {
.close_restricted = wlr_libinput_close_restricted
};
static int wlr_libinput_readable(int fd, uint32_t mask, void *_state) {
struct wlr_backend_state *state = _state;
if (libinput_dispatch(state->libinput) != 0) {
static int wlr_libinput_readable(int fd, uint32_t mask, void *_backend) {
struct wlr_libinput_backend *backend = _backend;
if (libinput_dispatch(backend->libinput) != 0) {
wlr_log(L_ERROR, "Failed to dispatch libinput");
// TODO: some kind of abort?
return 0;
}
struct libinput_event *event;
while ((event = libinput_get_event(state->libinput))) {
wlr_libinput_event(state, event);
while ((event = libinput_get_event(backend->libinput))) {
wlr_libinput_event(backend, event);
libinput_event_destroy(event);
}
return 0;
@ -43,34 +43,35 @@ static void wlr_libinput_log(struct libinput *libinput,
_wlr_vlog(L_ERROR, fmt, args);
}
static bool wlr_libinput_backend_init(struct wlr_backend_state *state) {
static bool wlr_libinput_backend_init(struct wlr_backend *_backend) {
struct wlr_libinput_backend *backend = (struct wlr_libinput_backend *)_backend;
wlr_log(L_DEBUG, "Initializing libinput");
state->libinput = libinput_udev_create_context(&libinput_impl, state,
state->udev->udev);
if (!state->libinput) {
backend->libinput = libinput_udev_create_context(&libinput_impl, backend,
backend->udev->udev);
if (!backend->libinput) {
wlr_log(L_ERROR, "Failed to create libinput context");
return false;
}
// TODO: Let user customize seat used
if (libinput_udev_assign_seat(state->libinput, "seat0") != 0) {
if (libinput_udev_assign_seat(backend->libinput, "seat0") != 0) {
wlr_log(L_ERROR, "Failed to assign libinput seat");
return false;
}
// TODO: More sophisticated logging
libinput_log_set_handler(state->libinput, wlr_libinput_log);
libinput_log_set_priority(state->libinput, LIBINPUT_LOG_PRIORITY_ERROR);
libinput_log_set_handler(backend->libinput, wlr_libinput_log);
libinput_log_set_priority(backend->libinput, LIBINPUT_LOG_PRIORITY_ERROR);
struct wl_event_loop *event_loop =
wl_display_get_event_loop(state->display);
if (state->input_event) {
wl_event_source_remove(state->input_event);
wl_display_get_event_loop(backend->display);
if (backend->input_event) {
wl_event_source_remove(backend->input_event);
}
state->input_event = wl_event_loop_add_fd(event_loop,
libinput_get_fd(state->libinput), WL_EVENT_READABLE,
wlr_libinput_readable, state);
if (!state->input_event) {
backend->input_event = wl_event_loop_add_fd(event_loop,
libinput_get_fd(backend->libinput), WL_EVENT_READABLE,
wlr_libinput_readable, backend);
if (!backend->input_event) {
wlr_log(L_ERROR, "Failed to create input event on event loop");
return false;
}
@ -78,22 +79,23 @@ static bool wlr_libinput_backend_init(struct wlr_backend_state *state) {
return true;
}
static void wlr_libinput_backend_destroy(struct wlr_backend_state *state) {
if (!state) {
static void wlr_libinput_backend_destroy(struct wlr_backend *_backend) {
if (!_backend) {
return;
}
for (size_t i = 0; i < state->devices->length; i++) {
list_t *wlr_devices = state->devices->items[i];
struct wlr_libinput_backend *backend = (struct wlr_libinput_backend *)_backend;
for (size_t i = 0; i < backend->devices->length; i++) {
list_t *wlr_devices = backend->devices->items[i];
for (size_t j = 0; j < wlr_devices->length; j++) {
struct wlr_input_device *wlr_device = wlr_devices->items[j];
wl_signal_emit(&state->backend->events.input_remove, wlr_device);
wl_signal_emit(&backend->backend.events.input_remove, wlr_device);
wlr_input_device_destroy(wlr_device);
}
list_free(wlr_devices);
}
list_free(state->devices);
libinput_unref(state->libinput);
free(state);
list_free(backend->devices);
libinput_unref(backend->libinput);
free(backend);
}
static struct wlr_backend_impl backend_impl = {
@ -102,7 +104,7 @@ static struct wlr_backend_impl backend_impl = {
};
static void session_signal(struct wl_listener *listener, void *data) {
struct wlr_backend_state *backend = wl_container_of(listener, backend, session_signal);
struct wlr_libinput_backend *backend = wl_container_of(listener, backend, session_signal);
struct wlr_session *session = data;
if (!backend->libinput) {
@ -120,35 +122,27 @@ struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
struct wlr_session *session, struct wlr_udev *udev) {
assert(display && session && udev);
struct wlr_backend_state *state = calloc(1, sizeof(struct wlr_backend_state));
if (!state) {
struct wlr_libinput_backend *backend = calloc(1, sizeof(struct wlr_libinput_backend));
if (!backend) {
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
return NULL;
}
wlr_backend_create(&backend->backend, &backend_impl);
struct wlr_backend *backend = wlr_backend_create(&backend_impl, state);
if (!backend) {
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
goto error_state;
}
if (!(state->devices = list_create())) {
if (!(backend->devices = list_create())) {
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
goto error_backend;
}
state->backend = backend;
state->session = session;
state->udev = udev;
state->display = display;
backend->session = session;
backend->udev = udev;
backend->display = display;
state->session_signal.notify = session_signal;
wl_signal_add(&session->session_signal, &state->session_signal);
backend->session_signal.notify = session_signal;
wl_signal_add(&session->session_signal, &backend->session_signal);
return backend;
error_state:
free(state);
return &backend->backend;
error_backend:
wlr_backend_destroy(backend);
free(backend);
return NULL;
}