diff --git a/backend/meson.build b/backend/meson.build index dd1f4df3..03f8ea7d 100644 --- a/backend/meson.build +++ b/backend/meson.build @@ -23,7 +23,6 @@ backend_files = files( 'session/session.c', 'wayland/backend.c', 'wayland/output.c', - 'wayland/registry.c', 'wayland/wl_seat.c', ) diff --git a/backend/wayland/backend.c b/backend/wayland/backend.c index 28f61863..df1bf431 100644 --- a/backend/wayland/backend.c +++ b/backend/wayland/backend.c @@ -1,131 +1,168 @@ #include -#include -#include #include #include #include + +#include + +#include +#include #include + #include #include #include #include #include #include + #include "backend/wayland.h" #include "util/signal.h" #include "xdg-shell-unstable-v6-client-protocol.h" -struct wlr_wl_backend *get_wl_backend_from_backend( - struct wlr_backend *wlr_backend) { - assert(wlr_backend_is_wl(wlr_backend)); - return (struct wlr_wl_backend *)wlr_backend; +struct wlr_wl_backend *get_wl_backend_from_backend(struct wlr_backend *backend) { + assert(wlr_backend_is_wl(backend)); + return (struct wlr_wl_backend *)backend; } static int dispatch_events(int fd, uint32_t mask, void *data) { - struct wlr_wl_backend *backend = data; - int count = 0; + struct wlr_wl_backend *wl = data; if ((mask & WL_EVENT_HANGUP) || (mask & WL_EVENT_ERROR)) { - wl_display_terminate(backend->local_display); + wl_display_terminate(wl->local_display); return 0; } if (mask & WL_EVENT_READABLE) { - count = wl_display_dispatch(backend->remote_display); + return wl_display_dispatch(wl->remote_display); + } + if (mask & WL_EVENT_WRITABLE) { + wl_display_flush(wl->remote_display); + return 0; } if (mask == 0) { - count = wl_display_dispatch_pending(backend->remote_display); - wl_display_flush(backend->remote_display); + int count = wl_display_dispatch_pending(wl->remote_display); + wl_display_flush(wl->remote_display); + return count; } - return count; + + return 0; } +static void xdg_shell_handle_ping(void *data, struct zxdg_shell_v6 *shell, + uint32_t serial) { + zxdg_shell_v6_pong(shell, serial); +} + +static const struct zxdg_shell_v6_listener xdg_shell_listener = { + xdg_shell_handle_ping, +}; + +static void registry_global(void *data, struct wl_registry *registry, + uint32_t name, const char *iface, uint32_t version) { + struct wlr_wl_backend *wl = data; + + wlr_log(WLR_DEBUG, "Remote wayland global: %s v%d", iface, version); + + if (strcmp(iface, wl_compositor_interface.name) == 0) { + wl->compositor = wl_registry_bind(registry, name, + &wl_compositor_interface, 4); + + } else if (strcmp(iface, wl_seat_interface.name) == 0) { + wl->seat = wl_registry_bind(registry, name, + &wl_seat_interface, 2); + wl_seat_add_listener(wl->seat, &seat_listener, wl); + + } else if (strcmp(iface, wl_shm_interface.name) == 0) { + wl->shm = wl_registry_bind(registry, name, + &wl_shm_interface, 1); + + } else if (strcmp(iface, zxdg_shell_v6_interface.name) == 0) { + wl->shell = wl_registry_bind(registry, name, + &zxdg_shell_v6_interface, 1); + zxdg_shell_v6_add_listener(wl->shell, &xdg_shell_listener, NULL); + } +} + +static void registry_global_remove(void *data, struct wl_registry *registry, + uint32_t name) { + // TODO +} + +static const struct wl_registry_listener registry_listener = { + .global = registry_global, + .global_remove = registry_global_remove +}; + /* * Initializes the wayland backend. Opens a connection to a remote wayland * compositor and creates surfaces for each output, then registers globals on * the specified display. */ -static bool backend_start(struct wlr_backend *wlr_backend) { - struct wlr_wl_backend *backend = get_wl_backend_from_backend(wlr_backend); +static bool backend_start(struct wlr_backend *backend) { + struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend); wlr_log(WLR_INFO, "Initializating wayland backend"); - poll_wl_registry(backend); - if (!backend->compositor || !backend->shell) { - wlr_log_errno(WLR_ERROR, "Could not obtain retrieve required globals"); - return false; + wl->started = true; + + if (wl->keyboard) { + create_wl_keyboard(wl->keyboard, wl); } - backend->started = true; - - for (size_t i = 0; i < backend->requested_outputs; ++i) { - wlr_wl_output_create(&backend->backend); + for (size_t i = 0; i < wl->requested_outputs; ++i) { + wlr_wl_output_create(&wl->backend); } - struct wl_event_loop *loop = wl_display_get_event_loop(backend->local_display); - int fd = wl_display_get_fd(backend->remote_display); - int events = WL_EVENT_READABLE | WL_EVENT_ERROR | WL_EVENT_HANGUP; - backend->remote_display_src = wl_event_loop_add_fd(loop, fd, events, - dispatch_events, backend); - wl_event_source_check(backend->remote_display_src); - return true; } -static void backend_destroy(struct wlr_backend *wlr_backend) { - struct wlr_wl_backend *backend = get_wl_backend_from_backend(wlr_backend); - if (backend == NULL) { +static void backend_destroy(struct wlr_backend *backend) { + if (!backend) { return; } + struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend); + struct wlr_wl_output *output, *tmp_output; - wl_list_for_each_safe(output, tmp_output, &backend->outputs, link) { + wl_list_for_each_safe(output, tmp_output, &wl->outputs, link) { wlr_output_destroy(&output->wlr_output); } struct wlr_input_device *input_device, *tmp_input_device; - wl_list_for_each_safe(input_device, tmp_input_device, &backend->devices, link) { + wl_list_for_each_safe(input_device, tmp_input_device, &wl->devices, link) { wlr_input_device_destroy(input_device); } - wlr_signal_emit_safe(&wlr_backend->events.destroy, wlr_backend); + wlr_signal_emit_safe(&wl->backend.events.destroy, &wl->backend); - wl_list_remove(&backend->local_display_destroy.link); + wl_list_remove(&wl->local_display_destroy.link); - free(backend->seat_name); + free(wl->seat_name); - if (backend->remote_display_src) { - wl_event_source_remove(backend->remote_display_src); + wl_event_source_remove(wl->remote_display_src); + + wlr_renderer_destroy(wl->renderer); + wlr_egl_finish(&wl->egl); + + if (wl->pointer) { + wl_pointer_destroy(wl->pointer); } - wlr_renderer_destroy(backend->renderer); - wlr_egl_finish(&backend->egl); - if (backend->pointer) { - wl_pointer_destroy(backend->pointer); + if (wl->seat) { + wl_seat_destroy(wl->seat); } - if (backend->seat) { - wl_seat_destroy(backend->seat); + if (wl->shm) { + wl_shm_destroy(wl->shm); } - if (backend->shm) { - wl_shm_destroy(backend->shm); - } - if (backend->shell) { - zxdg_shell_v6_destroy(backend->shell); - } - if (backend->compositor) { - wl_compositor_destroy(backend->compositor); - } - if (backend->registry) { - wl_registry_destroy(backend->registry); - } - if (backend->remote_display) { - wl_display_disconnect(backend->remote_display); - } - free(backend); + zxdg_shell_v6_destroy(wl->shell); + wl_compositor_destroy(wl->compositor); + wl_registry_destroy(wl->registry); + wl_display_disconnect(wl->remote_display); + free(wl); } -static struct wlr_renderer *backend_get_renderer( - struct wlr_backend *wlr_backend) { - struct wlr_wl_backend *backend = get_wl_backend_from_backend(wlr_backend); - return backend->renderer; +static struct wlr_renderer *backend_get_renderer(struct wlr_backend *backend) { + struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend); + return wl->renderer; } static struct wlr_backend_impl backend_impl = { @@ -139,38 +176,64 @@ bool wlr_backend_is_wl(struct wlr_backend *b) { } static void handle_display_destroy(struct wl_listener *listener, void *data) { - struct wlr_wl_backend *backend = - wl_container_of(listener, backend, local_display_destroy); - backend_destroy(&backend->backend); + struct wlr_wl_backend *wl = + wl_container_of(listener, wl, local_display_destroy); + backend_destroy(&wl->backend); } struct wlr_backend *wlr_wl_backend_create(struct wl_display *display, const char *remote, wlr_renderer_create_func_t create_renderer_func) { wlr_log(WLR_INFO, "Creating wayland backend"); - struct wlr_wl_backend *backend = calloc(1, sizeof(struct wlr_wl_backend)); - if (!backend) { - wlr_log(WLR_ERROR, "Allocation failed: %s", strerror(errno)); + struct wlr_wl_backend *wl = calloc(1, sizeof(*wl)); + if (!wl) { + wlr_log_errno(WLR_ERROR, "Allocation failed"); return NULL; } - wlr_backend_init(&backend->backend, &backend_impl); - wl_list_init(&backend->devices); - wl_list_init(&backend->outputs); + wlr_backend_init(&wl->backend, &backend_impl); - backend->local_display = display; + wl->local_display = display; + wl_list_init(&wl->devices); + wl_list_init(&wl->outputs); - backend->remote_display = wl_display_connect(remote); - if (!backend->remote_display) { + wl->remote_display = wl_display_connect(remote); + if (!wl->remote_display) { wlr_log_errno(WLR_ERROR, "Could not connect to remote display"); - goto error_connect; + goto error_wl; } - backend->registry = wl_display_get_registry(backend->remote_display); - if (backend->registry == NULL) { + wl->registry = wl_display_get_registry(wl->remote_display); + if (!wl->registry) { wlr_log_errno(WLR_ERROR, "Could not obtain reference to remote registry"); + goto error_display; + } + + wl_registry_add_listener(wl->registry, ®istry_listener, wl); + wl_display_dispatch(wl->remote_display); + wl_display_roundtrip(wl->remote_display); + + if (!wl->compositor) { + wlr_log(WLR_ERROR, + "Remote Wayland compositor does not support wl_compositor"); goto error_registry; } + if (!wl->shell) { + wlr_log(WLR_ERROR, + "Remote Wayland compositor does not support zxdg_shell_v6"); + goto error_registry; + } + + struct wl_event_loop *loop = wl_display_get_event_loop(wl->local_display); + int fd = wl_display_get_fd(wl->remote_display); + int events = WL_EVENT_READABLE | WL_EVENT_ERROR | WL_EVENT_HANGUP; + wl->remote_display_src = wl_event_loop_add_fd(loop, fd, events, + dispatch_events, wl); + if (!wl->remote_display_src) { + wlr_log(WLR_ERROR, "Failed to create event source"); + goto error_registry; + } + wl_event_source_check(wl->remote_display_src); static EGLint config_attribs[] = { EGL_SURFACE_TYPE, EGL_WINDOW_BIT, @@ -185,24 +248,32 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display, create_renderer_func = wlr_renderer_autocreate; } - backend->renderer = create_renderer_func(&backend->egl, EGL_PLATFORM_WAYLAND_EXT, - backend->remote_display, config_attribs, WL_SHM_FORMAT_ARGB8888); + wl->renderer = create_renderer_func(&wl->egl, EGL_PLATFORM_WAYLAND_EXT, + wl->remote_display, config_attribs, WL_SHM_FORMAT_ARGB8888); - if (backend->renderer == NULL) { + if (!wl->renderer) { wlr_log(WLR_ERROR, "Could not create renderer"); - goto error_renderer; + goto error_event; } - backend->local_display_destroy.notify = handle_display_destroy; - wl_display_add_destroy_listener(display, &backend->local_display_destroy); + wl->local_display_destroy.notify = handle_display_destroy; + wl_display_add_destroy_listener(display, &wl->local_display_destroy); - return &backend->backend; + return &wl->backend; -error_renderer: - wl_registry_destroy(backend->registry); +error_event: + wl_event_source_remove(wl->remote_display_src); error_registry: - wl_display_disconnect(backend->remote_display); -error_connect: - free(backend); + if (wl->compositor) { + wl_compositor_destroy(wl->compositor); + } + if (wl->shell) { + zxdg_shell_v6_destroy(wl->shell); + } + wl_registry_destroy(wl->registry); +error_display: + wl_display_disconnect(wl->remote_display); +error_wl: + free(wl); return NULL; } diff --git a/backend/wayland/output.c b/backend/wayland/output.c index f90c6009..03322678 100644 --- a/backend/wayland/output.c +++ b/backend/wayland/output.c @@ -6,11 +6,14 @@ #include #include #include + #include + #include #include #include #include + #include "backend/wayland.h" #include "util/signal.h" #include "xdg-shell-unstable-v6-client-protocol.h" diff --git a/backend/wayland/registry.c b/backend/wayland/registry.c deleted file mode 100644 index 8b154750..00000000 --- a/backend/wayland/registry.c +++ /dev/null @@ -1,55 +0,0 @@ -#include -#include -#include -#include -#include -#include "backend/wayland.h" -#include "xdg-shell-unstable-v6-client-protocol.h" - -static void xdg_shell_handle_ping(void *data, struct zxdg_shell_v6 *shell, - uint32_t serial) { - zxdg_shell_v6_pong(shell, serial); -} - -static const struct zxdg_shell_v6_listener xdg_shell_listener = { - xdg_shell_handle_ping, -}; - - -static void registry_global(void *data, struct wl_registry *registry, - uint32_t name, const char *interface, uint32_t version) { - struct wlr_wl_backend *backend = data; - wlr_log(WLR_DEBUG, "Remote wayland global: %s v%d", interface, version); - - if (strcmp(interface, wl_compositor_interface.name) == 0) { - backend->compositor = wl_registry_bind(registry, name, - &wl_compositor_interface, version); - } else if (strcmp(interface, zxdg_shell_v6_interface.name) == 0) { - backend->shell = wl_registry_bind(registry, name, - &zxdg_shell_v6_interface, version); - zxdg_shell_v6_add_listener(backend->shell, &xdg_shell_listener, NULL); - } else if (strcmp(interface, wl_shm_interface.name) == 0) { - backend->shm = wl_registry_bind(registry, name, - &wl_shm_interface, version); - } else if (strcmp(interface, wl_seat_interface.name) == 0) { - backend->seat = wl_registry_bind(registry, name, - &wl_seat_interface, version); - wl_seat_add_listener(backend->seat, &seat_listener, backend); - } -} - -static void registry_global_remove(void *data, struct wl_registry *registry, - uint32_t name) { - // TODO -} - -static const struct wl_registry_listener registry_listener = { - .global = registry_global, - .global_remove = registry_global_remove -}; - -void poll_wl_registry(struct wlr_wl_backend *backend) { - wl_registry_add_listener(backend->registry, ®istry_listener, backend); - wl_display_dispatch(backend->remote_display); - wl_display_roundtrip(backend->remote_display); -} diff --git a/backend/wayland/wl_seat.c b/backend/wayland/wl_seat.c index 562d9431..c4098987 100644 --- a/backend/wayland/wl_seat.c +++ b/backend/wayland/wl_seat.c @@ -1,16 +1,20 @@ #define _POSIX_C_SOURCE 200809L + #include #include #include #include #include + #include + #include #include #include #include #include #include + #include "backend/wayland.h" #include "util/signal.h" @@ -321,8 +325,7 @@ static void pointer_handle_output_destroy(struct wl_listener *listener, wlr_input_device_destroy(&pointer->input_device->wlr_input_device); } -void create_wl_pointer(struct wl_pointer *wl_pointer, - struct wlr_wl_output *output) { +void create_wl_pointer(struct wl_pointer *wl_pointer, struct wlr_wl_output *output) { struct wlr_wl_backend *backend = output->backend; struct wlr_input_device *wlr_dev; @@ -364,6 +367,28 @@ void create_wl_pointer(struct wl_pointer *wl_pointer, wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev); } +void create_wl_keyboard(struct wl_keyboard *wl_keyboard, struct wlr_wl_backend *wl) { + struct wlr_wl_input_device *dev = + create_wl_input_device(wl, WLR_INPUT_DEVICE_KEYBOARD); + if (!dev) { + return; + } + + struct wlr_input_device *wlr_dev = &dev->wlr_input_device; + + wlr_dev->keyboard = calloc(1, sizeof(*wlr_dev->keyboard)); + if (!wlr_dev->keyboard) { + wlr_log_errno(WLR_ERROR, "Allocation failed"); + free(dev); + return; + } + wlr_keyboard_init(wlr_dev->keyboard, NULL); + + wl_keyboard_add_listener(wl_keyboard, &keyboard_listener, wlr_dev); + dev->resource = wl_keyboard; + wlr_signal_emit_safe(&wl->backend.events.new_input, wlr_dev); +} + static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat, enum wl_seat_capability caps) { struct wlr_wl_backend *backend = data; @@ -384,25 +409,13 @@ static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat, } if ((caps & WL_SEAT_CAPABILITY_KEYBOARD)) { wlr_log(WLR_DEBUG, "seat %p offered keyboard", (void*) wl_seat); - struct wlr_wl_input_device *dev = create_wl_input_device(backend, - WLR_INPUT_DEVICE_KEYBOARD); - if (dev == NULL) { - wlr_log(WLR_ERROR, "Allocation failed"); - return; - } - struct wlr_input_device *wlr_dev = &dev->wlr_input_device; - wlr_dev->keyboard = calloc(1, sizeof(struct wlr_keyboard)); - if (!wlr_dev->keyboard) { - free(dev); - wlr_log(WLR_ERROR, "Allocation failed"); - return; - } - wlr_keyboard_init(wlr_dev->keyboard, NULL); struct wl_keyboard *wl_keyboard = wl_seat_get_keyboard(wl_seat); - wl_keyboard_add_listener(wl_keyboard, &keyboard_listener, wlr_dev); - dev->resource = wl_keyboard; - wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev); + backend->keyboard = wl_keyboard; + + if (backend->started) { + create_wl_keyboard(wl_keyboard, backend); + } } } diff --git a/include/backend/wayland.h b/include/backend/wayland.h index 47585d9e..dbc309ca 100644 --- a/include/backend/wayland.h +++ b/include/backend/wayland.h @@ -2,10 +2,12 @@ #define BACKEND_WAYLAND_H #include + #include #include #include #include + #include #include #include @@ -32,6 +34,7 @@ struct wlr_wl_backend { struct wl_shm *shm; struct wl_seat *seat; struct wl_pointer *pointer; + struct wl_keyboard *keyboard; struct wlr_wl_pointer *current_pointer; char *seat_name; }; @@ -78,13 +81,11 @@ struct wlr_wl_pointer { struct wl_listener output_destroy; }; -struct wlr_wl_backend *get_wl_backend_from_backend( - struct wlr_backend *wlr_backend); -void poll_wl_registry(struct wlr_wl_backend *backend); +struct wlr_wl_backend *get_wl_backend_from_backend(struct wlr_backend *backend); void update_wl_output_cursor(struct wlr_wl_output *output); struct wlr_wl_pointer *pointer_get_wl(struct wlr_pointer *wlr_pointer); -void create_wl_pointer(struct wl_pointer *wl_pointer, - struct wlr_wl_output *output); +void create_wl_pointer(struct wl_pointer *wl_pointer, struct wlr_wl_output *output); +void create_wl_keyboard(struct wl_keyboard *wl_keyboard, struct wlr_wl_backend *wl); extern const struct wl_seat_listener seat_listener;