91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include <wayland-server-core.h>
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#include <wlr/types/wlr_compositor.h>
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#include <wlr/types/wlr_surface.h>
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#include "types/wlr_region.h"
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#include "types/wlr_surface.h"
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#include "util/signal.h"
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#define COMPOSITOR_VERSION 4
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static const struct wl_compositor_interface compositor_impl;
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static struct wlr_compositor *compositor_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &wl_compositor_interface,
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&compositor_impl));
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return wl_resource_get_user_data(resource);
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}
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static void compositor_create_surface(struct wl_client *client,
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struct wl_resource *resource, uint32_t id) {
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struct wlr_compositor *compositor = compositor_from_resource(resource);
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struct wlr_surface *surface = surface_create(client,
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wl_resource_get_version(resource), id, compositor->renderer);
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if (surface == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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wlr_signal_emit_safe(&compositor->events.new_surface, surface);
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}
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static void compositor_create_region(struct wl_client *client,
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struct wl_resource *resource, uint32_t id) {
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region_create(client, wl_resource_get_version(resource), id);
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}
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static const struct wl_compositor_interface compositor_impl = {
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.create_surface = compositor_create_surface,
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.create_region = compositor_create_region,
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};
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static void compositor_bind(struct wl_client *wl_client, void *data,
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uint32_t version, uint32_t id) {
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struct wlr_compositor *compositor = data;
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struct wl_resource *resource =
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wl_resource_create(wl_client, &wl_compositor_interface, version, id);
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if (resource == NULL) {
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wl_client_post_no_memory(wl_client);
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return;
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}
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wl_resource_set_implementation(resource, &compositor_impl, compositor, NULL);
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}
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static void compositor_handle_display_destroy(
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struct wl_listener *listener, void *data) {
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struct wlr_compositor *compositor =
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wl_container_of(listener, compositor, display_destroy);
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wlr_signal_emit_safe(&compositor->events.destroy, NULL);
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wl_list_remove(&compositor->display_destroy.link);
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wl_global_destroy(compositor->global);
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free(compositor);
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}
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struct wlr_compositor *wlr_compositor_create(struct wl_display *display,
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struct wlr_renderer *renderer) {
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struct wlr_compositor *compositor = calloc(1, sizeof(*compositor));
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if (!compositor) {
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return NULL;
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}
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compositor->global = wl_global_create(display, &wl_compositor_interface,
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COMPOSITOR_VERSION, compositor, compositor_bind);
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if (!compositor->global) {
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free(compositor);
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return NULL;
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}
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compositor->renderer = renderer;
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wl_signal_init(&compositor->events.new_surface);
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wl_signal_init(&compositor->events.destroy);
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compositor->display_destroy.notify = compositor_handle_display_destroy;
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wl_display_add_destroy_listener(display, &compositor->display_destroy);
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return compositor;
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}
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