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authorDrew DeVault <sir@cmpwn.com>2017-06-09 11:28:10 -0400
committerDrew DeVault <sir@cmpwn.com>2017-06-13 08:10:22 -0400
commit1262f1400c6f443a1460e168c7adc25997247cde (patch)
tree87179cdb7b39d6afc137481bc4196082c99ec358 /backend
parent325a331425c1771d16fa90d099fa33f3ab8772f3 (diff)
Initial pass on libinput backend
Diffstat (limited to 'backend')
-rw-r--r--backend/CMakeLists.txt6
-rw-r--r--backend/libinput/backend.c97
2 files changed, 102 insertions, 1 deletions
diff --git a/backend/CMakeLists.txt b/backend/CMakeLists.txt
index 91f0f06e..bca615fb 100644
--- a/backend/CMakeLists.txt
+++ b/backend/CMakeLists.txt
@@ -9,11 +9,15 @@ add_library(wlr-backend
#wayland/registry.c
#wayland/wl_seat.c
#wayland/wl_output.c
+
drm/backend.c
drm/drm.c
- udev.c
+
+ libinput/backend.c
+
backend.c
egl.c
+ udev.c
)
target_link_libraries(wlr-backend
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;
+}