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	Merge pull request #1369 from ascent12/wayland_backend
Wayland backend improvements
This commit is contained in:
		
						commit
						d2d8372cdc
					
				
					 6 changed files with 205 additions and 173 deletions
				
			
		| 
						 | 
				
			
			@ -23,7 +23,6 @@ backend_files = files(
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	'session/session.c',
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	'wayland/backend.c',
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	'wayland/output.c',
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	'wayland/registry.c',
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	'wayland/wl_seat.c',
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)
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			@ -1,131 +1,168 @@
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#include <assert.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <limits.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <wlr/config.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <wayland-server.h>
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#include <wlr/backend/interface.h>
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#include <wlr/interfaces/wlr_input_device.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/render/egl.h>
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#include <wlr/render/gles2.h>
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#include <wlr/util/log.h>
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#include "backend/wayland.h"
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#include "util/signal.h"
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#include "xdg-shell-unstable-v6-client-protocol.h"
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struct wlr_wl_backend *get_wl_backend_from_backend(
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		struct wlr_backend *wlr_backend) {
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	assert(wlr_backend_is_wl(wlr_backend));
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	return (struct wlr_wl_backend *)wlr_backend;
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struct wlr_wl_backend *get_wl_backend_from_backend(struct wlr_backend *backend) {
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	assert(wlr_backend_is_wl(backend));
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	return (struct wlr_wl_backend *)backend;
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}
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static int dispatch_events(int fd, uint32_t mask, void *data) {
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	struct wlr_wl_backend *backend = data;
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	int count = 0;
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	struct wlr_wl_backend *wl = data;
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	if ((mask & WL_EVENT_HANGUP) || (mask & WL_EVENT_ERROR)) {
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		wl_display_terminate(backend->local_display);
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		wl_display_terminate(wl->local_display);
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		return 0;
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	}
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	if (mask & WL_EVENT_READABLE) {
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		count = wl_display_dispatch(backend->remote_display);
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		return wl_display_dispatch(wl->remote_display);
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	}
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	if (mask & WL_EVENT_WRITABLE) {
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		wl_display_flush(wl->remote_display);
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		return 0;
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	}
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	if (mask == 0) {
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		count = wl_display_dispatch_pending(backend->remote_display);
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		wl_display_flush(backend->remote_display);
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	}
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		int count = wl_display_dispatch_pending(wl->remote_display);
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		wl_display_flush(wl->remote_display);
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		return count;
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	}
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	return 0;
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}
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static void xdg_shell_handle_ping(void *data, struct zxdg_shell_v6 *shell,
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		uint32_t serial) {
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	zxdg_shell_v6_pong(shell, serial);
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}
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static const struct zxdg_shell_v6_listener xdg_shell_listener = {
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	xdg_shell_handle_ping,
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};
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static void registry_global(void *data, struct wl_registry *registry,
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		uint32_t name, const char *iface, uint32_t version) {
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	struct wlr_wl_backend *wl = data;
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	wlr_log(WLR_DEBUG, "Remote wayland global: %s v%d", iface, version);
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	if (strcmp(iface, wl_compositor_interface.name) == 0) {
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		wl->compositor = wl_registry_bind(registry, name,
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			&wl_compositor_interface, 4);
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	} else if (strcmp(iface, wl_seat_interface.name) == 0) {
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		wl->seat = wl_registry_bind(registry, name,
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			&wl_seat_interface, 2);
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		wl_seat_add_listener(wl->seat, &seat_listener, wl);
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	} else if (strcmp(iface, wl_shm_interface.name) == 0) {
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		wl->shm = wl_registry_bind(registry, name,
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			&wl_shm_interface, 1);
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	} else if (strcmp(iface, zxdg_shell_v6_interface.name) == 0) {
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		wl->shell = wl_registry_bind(registry, name,
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			&zxdg_shell_v6_interface, 1);
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		zxdg_shell_v6_add_listener(wl->shell, &xdg_shell_listener, NULL);
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	}
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}
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static void registry_global_remove(void *data, struct wl_registry *registry,
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		uint32_t name) {
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	// TODO
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}
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static const struct wl_registry_listener registry_listener = {
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	.global = registry_global,
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	.global_remove = registry_global_remove
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};
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/*
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 * Initializes the wayland backend. Opens a connection to a remote wayland
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 * compositor and creates surfaces for each output, then registers globals on
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 * the specified display.
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 */
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static bool backend_start(struct wlr_backend *wlr_backend) {
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	struct wlr_wl_backend *backend = get_wl_backend_from_backend(wlr_backend);
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static bool backend_start(struct wlr_backend *backend) {
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	struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
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	wlr_log(WLR_INFO, "Initializating wayland backend");
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	poll_wl_registry(backend);
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	if (!backend->compositor || !backend->shell) {
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		wlr_log_errno(WLR_ERROR, "Could not obtain retrieve required globals");
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		return false;
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	wl->started = true;
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	if (wl->keyboard) {
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		create_wl_keyboard(wl->keyboard, wl);
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	}
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	backend->started = true;
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	for (size_t i = 0; i < backend->requested_outputs; ++i) {
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		wlr_wl_output_create(&backend->backend);
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	for (size_t i = 0; i < wl->requested_outputs; ++i) {
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		wlr_wl_output_create(&wl->backend);
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	}
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	struct wl_event_loop *loop = wl_display_get_event_loop(backend->local_display);
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	int fd = wl_display_get_fd(backend->remote_display);
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	int events = WL_EVENT_READABLE | WL_EVENT_ERROR | WL_EVENT_HANGUP;
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	backend->remote_display_src = wl_event_loop_add_fd(loop, fd, events,
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		dispatch_events, backend);
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	wl_event_source_check(backend->remote_display_src);
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	return true;
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}
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static void backend_destroy(struct wlr_backend *wlr_backend) {
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	struct wlr_wl_backend *backend = get_wl_backend_from_backend(wlr_backend);
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	if (backend == NULL) {
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static void backend_destroy(struct wlr_backend *backend) {
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	if (!backend) {
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		return;
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	}
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	struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
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	struct wlr_wl_output *output, *tmp_output;
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	wl_list_for_each_safe(output, tmp_output, &backend->outputs, link) {
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	wl_list_for_each_safe(output, tmp_output, &wl->outputs, link) {
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		wlr_output_destroy(&output->wlr_output);
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	}
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	struct wlr_input_device *input_device, *tmp_input_device;
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	wl_list_for_each_safe(input_device, tmp_input_device, &backend->devices, link) {
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	wl_list_for_each_safe(input_device, tmp_input_device, &wl->devices, link) {
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		wlr_input_device_destroy(input_device);
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	}
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	wlr_signal_emit_safe(&wlr_backend->events.destroy, wlr_backend);
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	wlr_signal_emit_safe(&wl->backend.events.destroy, &wl->backend);
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	wl_list_remove(&backend->local_display_destroy.link);
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	wl_list_remove(&wl->local_display_destroy.link);
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	free(backend->seat_name);
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	free(wl->seat_name);
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	if (backend->remote_display_src) {
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		wl_event_source_remove(backend->remote_display_src);
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	wl_event_source_remove(wl->remote_display_src);
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	wlr_renderer_destroy(wl->renderer);
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	wlr_egl_finish(&wl->egl);
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	if (wl->pointer) {
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		wl_pointer_destroy(wl->pointer);
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	}
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	wlr_renderer_destroy(backend->renderer);
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	wlr_egl_finish(&backend->egl);
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	if (backend->pointer) {
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		wl_pointer_destroy(backend->pointer);
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	if (wl->seat) {
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		wl_seat_destroy(wl->seat);
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	}
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	if (backend->seat) {
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		wl_seat_destroy(backend->seat);
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	if (wl->shm) {
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		wl_shm_destroy(wl->shm);
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	}
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	if (backend->shm) {
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		wl_shm_destroy(backend->shm);
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	}
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	if (backend->shell) {
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		zxdg_shell_v6_destroy(backend->shell);
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	}
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	if (backend->compositor) {
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		wl_compositor_destroy(backend->compositor);
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	}
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	if (backend->registry) {
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		wl_registry_destroy(backend->registry);
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	}
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	if (backend->remote_display) {
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		wl_display_disconnect(backend->remote_display);
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	}
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	free(backend);
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	zxdg_shell_v6_destroy(wl->shell);
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	wl_compositor_destroy(wl->compositor);
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	wl_registry_destroy(wl->registry);
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	wl_display_disconnect(wl->remote_display);
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	free(wl);
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}
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static struct wlr_renderer *backend_get_renderer(
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		struct wlr_backend *wlr_backend) {
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	struct wlr_wl_backend *backend = get_wl_backend_from_backend(wlr_backend);
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	return backend->renderer;
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static struct wlr_renderer *backend_get_renderer(struct wlr_backend *backend) {
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	struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
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		||||
	return wl->renderer;
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		||||
}
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		||||
 | 
			
		||||
static struct wlr_backend_impl backend_impl = {
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| 
						 | 
				
			
			@ -139,38 +176,64 @@ bool wlr_backend_is_wl(struct wlr_backend *b) {
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		|||
}
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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	struct wlr_wl_backend *backend =
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		||||
		wl_container_of(listener, backend, local_display_destroy);
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		||||
	backend_destroy(&backend->backend);
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	struct wlr_wl_backend *wl =
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		||||
		wl_container_of(listener, wl, local_display_destroy);
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		||||
	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) {
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	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;
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -6,11 +6,14 @@
 | 
			
		|||
#include <sys/mman.h>
 | 
			
		||||
#include <sys/types.h>
 | 
			
		||||
#include <unistd.h>
 | 
			
		||||
 | 
			
		||||
#include <wayland-client.h>
 | 
			
		||||
 | 
			
		||||
#include <wlr/interfaces/wlr_output.h>
 | 
			
		||||
#include <wlr/render/wlr_renderer.h>
 | 
			
		||||
#include <wlr/types/wlr_matrix.h>
 | 
			
		||||
#include <wlr/util/log.h>
 | 
			
		||||
 | 
			
		||||
#include "backend/wayland.h"
 | 
			
		||||
#include "util/signal.h"
 | 
			
		||||
#include "xdg-shell-unstable-v6-client-protocol.h"
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -1,55 +0,0 @@
 | 
			
		|||
#include <stdint.h>
 | 
			
		||||
#include <stdlib.h>
 | 
			
		||||
#include <string.h>
 | 
			
		||||
#include <wayland-client.h>
 | 
			
		||||
#include <wlr/util/log.h>
 | 
			
		||||
#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);
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			@ -1,16 +1,20 @@
 | 
			
		|||
#define _POSIX_C_SOURCE 200809L
 | 
			
		||||
 | 
			
		||||
#include <assert.h>
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
#include <stdlib.h>
 | 
			
		||||
#include <string.h>
 | 
			
		||||
#include <time.h>
 | 
			
		||||
 | 
			
		||||
#include <wayland-client.h>
 | 
			
		||||
 | 
			
		||||
#include <wlr/interfaces/wlr_input_device.h>
 | 
			
		||||
#include <wlr/interfaces/wlr_keyboard.h>
 | 
			
		||||
#include <wlr/interfaces/wlr_output.h>
 | 
			
		||||
#include <wlr/interfaces/wlr_pointer.h>
 | 
			
		||||
#include <wlr/interfaces/wlr_touch.h>
 | 
			
		||||
#include <wlr/util/log.h>
 | 
			
		||||
 | 
			
		||||
#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);
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -2,10 +2,12 @@
 | 
			
		|||
#define BACKEND_WAYLAND_H
 | 
			
		||||
 | 
			
		||||
#include <stdbool.h>
 | 
			
		||||
 | 
			
		||||
#include <wayland-client.h>
 | 
			
		||||
#include <wayland-egl.h>
 | 
			
		||||
#include <wayland-server.h>
 | 
			
		||||
#include <wayland-util.h>
 | 
			
		||||
 | 
			
		||||
#include <wlr/backend/wayland.h>
 | 
			
		||||
#include <wlr/render/egl.h>
 | 
			
		||||
#include <wlr/render/wlr_renderer.h>
 | 
			
		||||
| 
						 | 
				
			
			@ -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;
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
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