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-rw-r--r--backend/libinput/backend.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/backend/libinput/backend.c b/backend/libinput/backend.c
new file mode 100644
index 00000000..6142bde3
--- /dev/null
+++ b/backend/libinput/backend.c
@@ -0,0 +1,97 @@
+#include <stdlib.h>
+#include <assert.h>
+#include <libinput.h>
+#include <wlr/session.h>
+#include <wlr/backend/interface.h>
+#include "backend/udev.h"
+#include "backend/libinput/backend.h"
+#include "common/log.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);
+}
+
+static void wlr_libinput_close_restricted(int fd, void *_state) {
+ struct wlr_backend_state *state = _state;
+ wlr_session_close_file(state->session, fd);
+}
+
+static const struct libinput_interface libinput_impl = {
+ .open_restricted = wlr_libinput_open_restricted,
+ .close_restricted = wlr_libinput_close_restricted
+};
+
+static int wlr_libinput_handle_event(int fd, uint32_t mask, void *_state) {
+ // TODO
+ return 0;
+}
+
+static void wlr_libinput_log(struct libinput *libinput,
+ enum libinput_log_priority priority, const char *fmt, va_list args) {
+ _wlr_vlog(L_ERROR, fmt, args);
+}
+
+static bool wlr_libinput_backend_init(struct wlr_backend_state *state) {
+ state->handle = libinput_udev_create_context(&libinput_impl, state,
+ state->udev->udev);
+ if (!state->handle) {
+ return false;
+ }
+
+ // TODO: Let user customize seat used
+ if (!libinput_udev_assign_seat(state->handle, "seat0")) {
+ return false;
+ }
+
+ // TODO: More sophisticated logging
+ libinput_log_set_handler(state->handle, wlr_libinput_log);
+ libinput_log_set_priority(state->handle, 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);
+ }
+ state->input_event = wl_event_loop_add_fd(event_loop,
+ libinput_get_fd(state->handle), WL_EVENT_READABLE,
+ wlr_libinput_handle_event, state);
+ if (!state->input_event) {
+ return false;
+ }
+ return true;
+}
+
+static void wlr_libinput_backend_destroy(struct wlr_backend_state *state) {
+ // TODO
+}
+
+static struct wlr_backend_impl backend_impl = {
+ .init = wlr_libinput_backend_init,
+ .destroy = wlr_libinput_backend_destroy
+};
+
+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) {
+ wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
+ return NULL;
+ }
+
+ struct wlr_backend *backend = wlr_backend_create(&backend_impl, state);
+ if (!backend) {
+ wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
+ return NULL;
+ }
+
+ state->backend = backend;
+ state->session = session;
+ state->udev = udev;
+ state->display = display;
+
+ return backend;
+}