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types: add wlr_xdg_foreign_v1

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Co-authored-by: Jason Francis <cycl0ps@tuta.io>
This commit is contained in:
Ilia Bozhinov 2021-01-05 20:19:31 +01:00 committed by Simon Ser
parent 37602e153b
commit 162f160def
5 changed files with 486 additions and 0 deletions
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1
include/meson.build
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@ -9,6 +9,7 @@ if conf_data.get('WLR_HAS_XWAYLAND', 0) != 1
endif
if conf_data.get('WLR_HAS_XDG_FOREIGN', 0) != 1
exclude_files += [
'types/wlr_xdg_foreign_v1.h',
'types/wlr_xdg_foreign_registry.h',
]
endif

64
include/wlr/types/wlr_xdg_foreign_v1.h Normal file
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@ -0,0 +1,64 @@
/*
* This an unstable interface of wlroots. No guarantees are made regarding the
* future consistency of this API.
*/
#ifndef WLR_USE_UNSTABLE
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
#endif
#ifndef WLR_TYPES_WLR_XDG_FOREIGN_V1_H
#define WLR_TYPES_WLR_XDG_FOREIGN_V1_H
#include <wayland-server-core.h>
#include <wlr/types/wlr_xdg_foreign_registry.h>
struct wlr_xdg_foreign_v1 {
struct {
struct wl_global *global;
struct wl_list objects; // wlr_xdg_exported_v1::link or wlr_xdg_imported_v1::link
} exporter, importer;
struct wl_listener foreign_registry_destroy;
struct wl_listener display_destroy;
struct wlr_xdg_foreign_registry *registry;
struct {
struct wl_signal destroy;
} events;
void *data;
};
struct wlr_xdg_exported_v1 {
struct wlr_xdg_foreign_exported base;
struct wl_resource *resource;
struct wl_listener xdg_surface_destroy;
struct wl_list link; // wlr_xdg_foreign_v1::exporter::objects
};
struct wlr_xdg_imported_v1 {
struct wlr_xdg_foreign_exported *exported;
struct wl_listener exported_destroyed;
struct wl_resource *resource;
struct wl_list link; // wlr_xdg_foreign_v1::importer::objects
struct wl_list children;
};
struct wlr_xdg_imported_child_v1 {
struct wlr_xdg_imported_v1 *imported;
struct wlr_surface *surface;
struct wl_list link; // wlr_xdg_imported_v1::children
struct wl_listener xdg_surface_unmap;
struct wl_listener xdg_toplevel_set_parent;
};
struct wlr_xdg_foreign_v1 *wlr_xdg_foreign_v1_create(
struct wl_display *display, struct wlr_xdg_foreign_registry *registry);
#endif

1
protocol/meson.build
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@ -27,6 +27,7 @@ protocols = {
'tablet-unstable-v2': wl_protocol_dir / 'unstable/tablet/tablet-unstable-v2.xml',
'text-input-unstable-v3': wl_protocol_dir / 'unstable/text-input/text-input-unstable-v3.xml',
'xdg-decoration-unstable-v1': wl_protocol_dir / 'unstable/xdg-decoration/xdg-decoration-unstable-v1.xml',
'xdg-foreign-unstable-v1': wl_protocol_dir / 'unstable/xdg-foreign/xdg-foreign-unstable-v1.xml',
'xdg-output-unstable-v1': wl_protocol_dir / 'unstable/xdg-output/xdg-output-unstable-v1.xml',
# Other protocols
'gtk-primary-selection': 'gtk-primary-selection.xml',

1
types/meson.build
View File

@ -69,6 +69,7 @@ wlr_files += files(
if conf_data.get('WLR_HAS_XDG_FOREIGN', 0) == 1
wlr_files += files(
'wlr_xdg_foreign_v1.c',
'wlr_xdg_foreign_registry.c',
)
endif

419
types/wlr_xdg_foreign_v1.c Normal file
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@ -0,0 +1,419 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <wlr/types/wlr_xdg_foreign_v1.h>
#include <wlr/types/wlr_xdg_shell.h>
#include <wlr/util/log.h>
#include "util/signal.h"
#include "xdg-foreign-unstable-v1-protocol.h"
#define FOREIGN_V1_VERSION 1
static const struct zxdg_exported_v1_interface xdg_exported_impl;
static const struct zxdg_imported_v1_interface xdg_imported_impl;
static const struct zxdg_exporter_v1_interface xdg_exporter_impl;
static const struct zxdg_importer_v1_interface xdg_importer_impl;
static struct wlr_xdg_imported_v1 *xdg_imported_from_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource, &zxdg_imported_v1_interface,
&xdg_imported_impl));
return wl_resource_get_user_data(resource);
}
static void xdg_imported_handle_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static bool verify_is_toplevel(struct wl_resource *client_resource,
struct wlr_surface *surface) {
if (wlr_surface_is_xdg_surface(surface)) {
struct wlr_xdg_surface *xdg_surface =
wlr_xdg_surface_from_wlr_surface(surface);
if (xdg_surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
wl_resource_post_error(client_resource, -1,
"surface must be an xdg_toplevel");
return false;
}
} else {
wl_resource_post_error(client_resource, -1,
"surface must be an xdg_surface");
return false;
}
return true;
}
static void destroy_imported_child(struct wlr_xdg_imported_child_v1 *child) {
wl_list_remove(&child->xdg_toplevel_set_parent.link);
wl_list_remove(&child->xdg_surface_unmap.link);
wl_list_remove(&child->link);
free(child);
}
static void handle_child_xdg_surface_unmap(
struct wl_listener *listener, void *data) {
struct wlr_xdg_imported_child_v1 *child =
wl_container_of(listener, child, xdg_surface_unmap);
destroy_imported_child(child);
}
static void handle_xdg_toplevel_set_parent(
struct wl_listener *listener, void *data) {
struct wlr_xdg_imported_child_v1 *child =
wl_container_of(listener, child, xdg_toplevel_set_parent);
destroy_imported_child(child);
}
static void xdg_imported_handle_set_parent_of(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *child_resource) {
struct wlr_xdg_imported_v1 *imported =
xdg_imported_from_resource(resource);
if (imported == NULL) {
return;
}
struct wlr_surface *wlr_surface = imported->exported->surface;
struct wlr_surface *wlr_surface_child =
wlr_surface_from_resource(child_resource);
if (!verify_is_toplevel(resource, wlr_surface_child)) {
return;
}
struct wlr_xdg_imported_child_v1 *child;
wl_list_for_each(child, &imported->children, link) {
if (child->surface == wlr_surface_child) {
return;
}
}
child = calloc(1, sizeof(struct wlr_xdg_imported_child_v1));
if (child == NULL) {
wl_client_post_no_memory(client);
return;
}
child->surface = wlr_surface_child;
child->xdg_surface_unmap.notify = handle_child_xdg_surface_unmap;
child->xdg_toplevel_set_parent.notify = handle_xdg_toplevel_set_parent;
struct wlr_xdg_surface *surface =
wlr_xdg_surface_from_wlr_surface(wlr_surface);
struct wlr_xdg_surface *surface_child =
wlr_xdg_surface_from_wlr_surface(wlr_surface_child);
wlr_xdg_toplevel_set_parent(surface_child, surface);
wl_signal_add(&surface_child->events.unmap,
&child->xdg_surface_unmap);
wl_signal_add(&surface_child->toplevel->events.set_parent,
&child->xdg_toplevel_set_parent);
wl_list_insert(&imported->children, &child->link);
}
static const struct zxdg_imported_v1_interface xdg_imported_impl = {
.destroy = xdg_imported_handle_destroy,
.set_parent_of = xdg_imported_handle_set_parent_of
};
static struct wlr_xdg_exported_v1 *xdg_exported_from_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource, &zxdg_exported_v1_interface,
&xdg_exported_impl));
return wl_resource_get_user_data(resource);
}
static void xdg_exported_handle_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static const struct zxdg_exported_v1_interface xdg_exported_impl = {
.destroy = xdg_exported_handle_destroy
};
static void xdg_exporter_handle_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static struct wlr_xdg_foreign_v1 *xdg_foreign_from_exporter_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource, &zxdg_exporter_v1_interface,
&xdg_exporter_impl));
return wl_resource_get_user_data(resource);
}
static void finish_imported(struct wlr_xdg_imported_v1 *imported) {
imported->exported = NULL;
struct wlr_xdg_imported_child_v1 *child, *child_tmp;
wl_list_for_each_safe(child, child_tmp, &imported->children, link) {
struct wlr_xdg_surface *xdg_child =
wlr_xdg_surface_from_wlr_surface(child->surface);
wlr_xdg_toplevel_set_parent(xdg_child, NULL);
}
wl_list_remove(&imported->exported_destroyed.link);
wl_list_init(&imported->exported_destroyed.link);
wl_list_remove(&imported->link);
wl_list_init(&imported->link);
free(imported);
}
static void finish_exported(struct wlr_xdg_exported_v1 *exported) {
wlr_xdg_foreign_exported_finish(&exported->base);
wl_list_remove(&exported->xdg_surface_destroy.link);
wl_list_remove(&exported->link);
free(exported);
}
static void xdg_exported_handle_resource_destroy(
struct wl_resource *resource) {
struct wlr_xdg_exported_v1 *exported =
xdg_exported_from_resource(resource);
if (exported) {
finish_exported(exported);
}
}
static void handle_xdg_surface_destroy(
struct wl_listener *listener, void *data) {
struct wlr_xdg_exported_v1 *exported =
wl_container_of(listener, exported, xdg_surface_destroy);
wl_resource_set_user_data(exported->resource, NULL);
finish_exported(exported);
}
static void xdg_exporter_handle_export(struct wl_client *wl_client,
struct wl_resource *client_resource,
uint32_t id,
struct wl_resource *surface_resource) {
struct wlr_xdg_foreign_v1 *foreign =
xdg_foreign_from_exporter_resource(client_resource);
struct wlr_surface *surface = wlr_surface_from_resource(surface_resource);
if (!verify_is_toplevel(client_resource, surface)) {
return;
}
struct wlr_xdg_exported_v1 *exported =
calloc(1, sizeof(struct wlr_xdg_exported_v1));
if (exported == NULL) {
wl_client_post_no_memory(wl_client);
return;
}
if (!wlr_xdg_foreign_exported_init(&exported->base, foreign->registry)) {
wl_client_post_no_memory(wl_client);
free(exported);
return;
}
exported->base.surface = surface;
exported->resource = wl_resource_create(wl_client, &zxdg_exported_v1_interface,
wl_resource_get_version(client_resource), id);
if (exported->resource == NULL) {
wlr_xdg_foreign_exported_finish(&exported->base);
wl_client_post_no_memory(wl_client);
free(exported);
return;
}
wl_resource_set_implementation(exported->resource, &xdg_exported_impl,
exported, xdg_exported_handle_resource_destroy);
wl_list_insert(&foreign->exporter.objects, &exported->link);
zxdg_exported_v1_send_handle(exported->resource, exported->base.handle);
exported->xdg_surface_destroy.notify = handle_xdg_surface_destroy;
struct wlr_xdg_surface *xdg_surface =
wlr_xdg_surface_from_wlr_surface(surface);
wl_signal_add(&xdg_surface->events.unmap, &exported->xdg_surface_destroy);
}
static const struct zxdg_exporter_v1_interface xdg_exporter_impl = {
.destroy = xdg_exporter_handle_destroy,
.export = xdg_exporter_handle_export
};
static void xdg_exporter_bind(struct wl_client *wl_client, void *data,
uint32_t version, uint32_t id) {
struct wlr_xdg_foreign_v1 *foreign = data;
struct wl_resource *exporter_resource =
wl_resource_create(wl_client, &zxdg_exporter_v1_interface, version, id);
if (exporter_resource == NULL) {
wl_client_post_no_memory(wl_client);
return;
}
wl_resource_set_implementation(exporter_resource, &xdg_exporter_impl,
foreign, NULL);
}
static struct wlr_xdg_foreign_v1 *xdg_foreign_from_importer_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource, &zxdg_importer_v1_interface,
&xdg_importer_impl));
return wl_resource_get_user_data(resource);
}
static void xdg_importer_handle_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static void xdg_imported_handle_resource_destroy(
struct wl_resource *resource) {
struct wlr_xdg_imported_v1 *imported = xdg_imported_from_resource(resource);
if (!imported) {
return;
}
finish_imported(imported);
}
static void xdg_imported_handle_exported_destroy(struct wl_listener *listener,
void *data) {
struct wlr_xdg_imported_v1 *imported =
wl_container_of(listener, imported, exported_destroyed);
zxdg_imported_v1_send_destroyed(imported->resource);
finish_imported(imported);
}
static void xdg_importer_handle_import(struct wl_client *wl_client,
struct wl_resource *client_resource,
uint32_t id,
const char *handle) {
struct wlr_xdg_foreign_v1 *foreign =
xdg_foreign_from_importer_resource(client_resource);
struct wlr_xdg_imported_v1 *imported =
calloc(1, sizeof(struct wlr_xdg_imported_v1));
if (imported == NULL) {
wl_client_post_no_memory(wl_client);
return;
}
imported->exported = wlr_xdg_foreign_registry_find_by_handle(
foreign->registry, handle);
imported->resource = wl_resource_create(wl_client, &zxdg_imported_v1_interface,
wl_resource_get_version(client_resource), id);
if (imported->resource == NULL) {
wl_client_post_no_memory(wl_client);
free(imported);
return;
}
wl_resource_set_implementation(imported->resource, &xdg_imported_impl,
imported, xdg_imported_handle_resource_destroy);
if (imported->exported == NULL) {
wl_resource_set_user_data(imported->resource, NULL);
zxdg_imported_v1_send_destroyed(imported->resource);
free(imported);
return;
}
wl_list_init(&imported->children);
wl_list_insert(&foreign->importer.objects, &imported->link);
imported->exported_destroyed.notify = xdg_imported_handle_exported_destroy;
wl_signal_add(&imported->exported->events.destroy, &imported->exported_destroyed);
}
static const struct zxdg_importer_v1_interface xdg_importer_impl = {
.destroy = xdg_importer_handle_destroy,
.import = xdg_importer_handle_import
};
static void xdg_importer_bind(struct wl_client *wl_client, void *data,
uint32_t version, uint32_t id) {
struct wlr_xdg_foreign_v1 *foreign = data;
struct wl_resource *importer_resource =
wl_resource_create(wl_client, &zxdg_importer_v1_interface, version, id);
if (importer_resource == NULL) {
wl_client_post_no_memory(wl_client);
return;
}
wl_resource_set_implementation(importer_resource, &xdg_importer_impl,
foreign, NULL);
}
static void xdg_foreign_destroy(struct wlr_xdg_foreign_v1 *foreign) {
if (!foreign) {
return;
}
wlr_signal_emit_safe(&foreign->events.destroy, NULL);
wl_list_remove(&foreign->foreign_registry_destroy.link);
wl_list_remove(&foreign->display_destroy.link);
wl_global_destroy(foreign->exporter.global);
wl_global_destroy(foreign->importer.global);
free(foreign);
}
static void handle_display_destroy(struct wl_listener *listener, void *data) {
struct wlr_xdg_foreign_v1 *foreign =
wl_container_of(listener, foreign, display_destroy);
xdg_foreign_destroy(foreign);
}
static void handle_foreign_registry_destroy(struct wl_listener *listener,
void *data) {
struct wlr_xdg_foreign_v1 *foreign =
wl_container_of(listener, foreign, foreign_registry_destroy);
xdg_foreign_destroy(foreign);
}
struct wlr_xdg_foreign_v1 *wlr_xdg_foreign_v1_create(
struct wl_display *display, struct wlr_xdg_foreign_registry *registry) {
struct wlr_xdg_foreign_v1 *foreign = calloc(1,
sizeof(struct wlr_xdg_foreign_v1));
if (!foreign) {
return NULL;
}
foreign->exporter.global = wl_global_create(display,
&zxdg_exporter_v1_interface,
FOREIGN_V1_VERSION, foreign,
xdg_exporter_bind);
if (!foreign->exporter.global) {
free(foreign);
return NULL;
}
foreign->importer.global = wl_global_create(display,
&zxdg_importer_v1_interface,
FOREIGN_V1_VERSION, foreign,
xdg_importer_bind);
if (!foreign->importer.global) {
wl_global_destroy(foreign->exporter.global);
free(foreign);
return NULL;
}
foreign->registry = registry;
wl_signal_init(&foreign->events.destroy);
wl_list_init(&foreign->exporter.objects);
wl_list_init(&foreign->importer.objects);
foreign->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &foreign->display_destroy);
foreign->foreign_registry_destroy.notify = handle_foreign_registry_destroy;
wl_signal_add(&registry->events.destroy, &foreign->foreign_registry_destroy);
return foreign;
}