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ext_image_capture_source_v1: add support for foreign toplevels

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This commit is contained in:
Simon Ser 2025-05-25 16:35:52 +02:00 • committed by Kenny Levinsen
parent 8fb4e4dabb
commit b066fd6b5a
3 changed files with 148 additions and 0 deletions
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32
include/wlr/types/wlr_ext_image_capture_source_v1.h
View file

@ -79,6 +79,31 @@ struct wlr_ext_output_image_capture_source_manager_v1 {
} WLR_PRIVATE;
};
/**
* Interface exposing one screen capture source per foreign toplevel.
*/
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1 {
struct wl_global *global;
struct {
struct wl_signal destroy;
struct wl_signal new_request; // struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1_request
} events;
struct {
struct wl_listener display_destroy;
} WLR_PRIVATE;
};
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1_request {
struct wlr_ext_foreign_toplevel_handle_v1 *toplevel_handle;
struct wl_client *client;
struct {
uint32_t new_id;
} WLR_PRIVATE;
};
/**
* Obtain a struct wlr_ext_image_capture_source_v1 from an ext_image_capture_source_v1
* resource.
@ -91,4 +116,11 @@ struct wlr_ext_image_capture_source_v1 *wlr_ext_image_capture_source_v1_from_res
struct wlr_ext_output_image_capture_source_manager_v1 *wlr_ext_output_image_capture_source_manager_v1_create(
struct wl_display *display, uint32_t version);
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1 *
wlr_ext_foreign_toplevel_image_capture_source_manager_v1_create(struct wl_display *display, uint32_t version);
bool wlr_ext_foreign_toplevel_image_capture_source_manager_v1_request_accept(
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1_request *request,
struct wlr_ext_image_capture_source_v1 *source);
#endif

115
types/ext_image_capture_source_v1/foreign_toplevel.c Normal file
View file

@ -0,0 +1,115 @@
#include <assert.h>
#include <stdlib.h>
#include <wlr/interfaces/wlr_ext_image_capture_source_v1.h>
#include <wlr/types/wlr_ext_foreign_toplevel_list_v1.h>
#include "ext-image-capture-source-v1-protocol.h"
#define FOREIGN_TOPLEVEL_IMAGE_SOURCE_MANAGER_V1_VERSION 1
struct wlr_ext_foreign_toplevel_image_capture_source_v1 {
struct wlr_ext_image_capture_source_v1 base;
};
static const struct ext_foreign_toplevel_image_capture_source_manager_v1_interface foreign_toplevel_manager_impl;
static struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1 *
foreign_toplevel_manager_from_resource(struct wl_resource *resource) {
assert(wl_resource_instance_of(resource,
&ext_foreign_toplevel_image_capture_source_manager_v1_interface,
&foreign_toplevel_manager_impl));
return wl_resource_get_user_data(resource);
}
bool wlr_ext_foreign_toplevel_image_capture_source_manager_v1_request_accept(
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1_request *request,
struct wlr_ext_image_capture_source_v1 *source) {
return wlr_ext_image_capture_source_v1_create_resource(source, request->client, request->new_id);
}
static void foreign_toplevel_manager_handle_create_source(struct wl_client *client,
struct wl_resource *manager_resource, uint32_t new_id,
struct wl_resource *foreign_toplevel_resource) {
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1 *manager =
foreign_toplevel_manager_from_resource(manager_resource);
struct wlr_ext_foreign_toplevel_handle_v1 *toplevel_handle =
wlr_ext_foreign_toplevel_handle_v1_from_resource(foreign_toplevel_resource);
if (toplevel_handle == NULL) {
wlr_ext_image_capture_source_v1_create_resource(NULL, client, new_id);
return;
}
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1_request *request =
calloc(1, sizeof(*request));
if (request == NULL) {
wl_resource_post_no_memory(manager_resource);
return;
}
request->toplevel_handle = toplevel_handle;
request->client = client;
request->new_id = new_id;
wl_signal_emit_mutable(&manager->events.new_request, request);
}
static void foreign_toplevel_manager_handle_destroy(struct wl_client *client,
struct wl_resource *manager_resource) {
wl_resource_destroy(manager_resource);
}
static const struct ext_foreign_toplevel_image_capture_source_manager_v1_interface foreign_toplevel_manager_impl = {
.create_source = foreign_toplevel_manager_handle_create_source,
.destroy = foreign_toplevel_manager_handle_destroy,
};
static void foreign_toplevel_manager_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id) {
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1 *manager = data;
struct wl_resource *resource = wl_resource_create(client,
&ext_foreign_toplevel_image_capture_source_manager_v1_interface, version, id);
if (!resource) {
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource, &foreign_toplevel_manager_impl, manager, NULL);
}
static void foreign_toplevel_manager_handle_display_destroy(struct wl_listener *listener, void *data) {
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1 *manager =
wl_container_of(listener, manager, display_destroy);
wl_signal_emit_mutable(&manager->events.destroy, NULL);
assert(wl_list_empty(&manager->events.destroy.listener_list));
assert(wl_list_empty(&manager->events.new_request.listener_list));
wl_list_remove(&manager->display_destroy.link);
wl_global_destroy(manager->global);
free(manager);
}
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1 *
wlr_ext_foreign_toplevel_image_capture_source_manager_v1_create(struct wl_display *display,
uint32_t version) {
assert(version <= FOREIGN_TOPLEVEL_IMAGE_SOURCE_MANAGER_V1_VERSION);
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1 *manager =
calloc(1, sizeof(*manager));
if (manager == NULL) {
return NULL;
}
manager->global = wl_global_create(display,
&ext_foreign_toplevel_image_capture_source_manager_v1_interface,
version, manager, foreign_toplevel_manager_bind);
if (manager->global == NULL) {
free(manager);
return NULL;
}
wl_signal_init(&manager->events.destroy);
wl_signal_init(&manager->events.new_request);
manager->display_destroy.notify = foreign_toplevel_manager_handle_display_destroy;
wl_display_add_destroy_listener(display, &manager->display_destroy);
return manager;
}

1
types/meson.build
View file

@ -5,6 +5,7 @@ wlr_files += files(
'data_device/wlr_drag.c',
'ext_image_capture_source_v1/base.c',
'ext_image_capture_source_v1/output.c',
'ext_image_capture_source_v1/foreign_toplevel.c',
'output/cursor.c',
'output/output.c',
'output/render.c',