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Advertise globals using a new display event.

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Kristian Høgsberg 16 years ago
parent 0ab262421a
commit bf967b469f
3 changed files with 62 additions and 61 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 65
      wayland-client.c
  2. 2
      wayland-util.h
  3. 56
      wayland.c

65
wayland-client.c
Unescape View File

@ -41,6 +41,7 @@ static const char socket_name[] = "\0wayland";
struct wl_global {
uint32_t id;
char *interface;
uint32_t version;
struct wl_list link;
};
@ -133,11 +134,8 @@ WL_EXPORT struct wl_display *
wl_display_create(const char *name, size_t name_size)
{
struct wl_display *display;
struct wl_global *global;
struct sockaddr_un addr;
socklen_t size;
char buffer[256];
uint32_t id, length, count, i;
display = malloc(sizeof *display);
if (display == NULL)
@ -165,29 +163,8 @@ wl_display_create(const char *name, size_t name_size)
* guess... */
read(display->fd, &display->id, sizeof display->id);
read(display->fd, &count, sizeof count);
wl_list_init(&display->global_list);
wl_list_init(&display->visual_list);
for (i = 0; i < count; i++) {
/* FIXME: actually discover advertised objects here. */
read(display->fd, &id, sizeof id);
read(display->fd, &length, sizeof length);
read(display->fd, buffer, (length + 3) & ~3);
global = malloc(sizeof *global);
if (global == NULL)
return NULL;
global->id = id;
global->interface = malloc(length + 1);
memcpy(global->interface, buffer, length);
global->interface[length] = '\0';
wl_list_insert(display->global_list.prev, &global->link);
if (strcmp(global->interface, "visual") == 0)
add_visual(display, global);
}
display->proxy.display = display;
display->proxy.id = wl_display_get_object_id(display, "display");
@ -196,6 +173,9 @@ wl_display_create(const char *name, size_t name_size)
connection_update,
display);
/* Process connection events. */
wl_display_iterate(display, WL_CONNECTION_READABLE);
return display;
}
@ -237,14 +217,47 @@ wl_display_get_fd(struct wl_display *display,
return display->fd;
}
#define WL_DISPLAY_INVALID_OBJECT 0
#define WL_DISPLAY_INVALID_METHOD 1
#define WL_DISPLAY_NO_MEMORY 2
#define WL_DISPLAY_GLOBAL 3
static void
handle_global(struct wl_display *display, uint32_t *p, uint32_t size)
{
struct wl_global *global;
uint32_t length;
global = malloc(sizeof *global);
if (global == NULL)
return;
global->id = p[0];
length = p[1];
global->interface = malloc(length + 1);
if (global->interface == NULL) {
free(global);
return;
}
memcpy(global->interface, &p[2], length);
global->interface[length] = '\0';
global->version = p[2 + DIV_ROUNDUP(length, sizeof *p)];
wl_list_insert(display->global_list.prev, &global->link);
if (strcmp(global->interface, "visual") == 0)
add_visual(display, global);
}
static void
handle_event(struct wl_display *display,
uint32_t object, uint32_t opcode, uint32_t size)
{
uint32_t p[10];
uint32_t p[32];
wl_connection_copy(display->connection, p, size);
if (display->event_handler != NULL)
if (object == 1 && opcode == WL_DISPLAY_GLOBAL) {
handle_global(display, p + 2, size);
} else if (display->event_handler != NULL)
display->event_handler(display, object, opcode, size, p + 2,
display->event_handler_data);
wl_connection_consume(display->connection, size);

2
wayland-util.h
Unescape View File

@ -31,6 +31,8 @@
#endif
#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
#define ALIGN(n, a) ( ((n) + ((a) - 1)) & ~((a) - 1) )
#define DIV_ROUNDUP(n, a) ( ((n) + ((a) - 1)) / (a) )
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \

56
wayland.c
Unescape View File

@ -71,30 +71,31 @@ wl_client_vmarshal(struct wl_client *client, struct wl_object *sender,
{
const struct wl_event *event;
struct wl_object *object;
uint32_t args[10], size;
uint32_t args[32], length, *p, size;
const char *s;
int i, count;
event = &sender->interface->events[opcode];
count = strlen(event->signature) + 2;
count = strlen(event->signature);
assert(count <= ARRAY_LENGTH(args));
size = 0;
for (i = 2; i < count; i++) {
switch (event->signature[i - 2]) {
p = &args[2];
for (i = 0; i < count; i++) {
switch (event->signature[i]) {
case 'u':
case 'i':
args[i] = va_arg(ap, uint32_t);
size += sizeof args[i];
*p++ = va_arg(ap, uint32_t);
break;
case 's':
/* FIXME */
args[i] = 0;
size += sizeof args[i];
s = va_arg(ap, const char *);
length = strlen(s);
*p++ = length;
memcpy(p, s, length);
p += DIV_ROUNDUP(length, sizeof(*p));
break;
case 'o':
object = va_arg(ap, struct wl_object *);
args[i] = object->id;
size += sizeof args[i];
*p++ = object->id;
break;
default:
assert(0);
@ -102,7 +103,7 @@ wl_client_vmarshal(struct wl_client *client, struct wl_object *sender,
}
}
size += 2 * sizeof args[0];
size = (p - args) * sizeof *p;
args[0] = sender->id;
args[1] = opcode | (size << 16);
wl_connection_write(client->connection, args, size);
@ -205,6 +206,7 @@ wl_client_demarshal(struct wl_client *client, struct wl_object *target,
#define WL_DISPLAY_INVALID_OBJECT 0
#define WL_DISPLAY_INVALID_METHOD 1
#define WL_DISPLAY_NO_MEMORY 2
#define WL_DISPLAY_GLOBAL 3
static void
wl_client_connection_data(int fd, uint32_t mask, void *data)
@ -272,28 +274,11 @@ wl_client_connection_update(struct wl_connection *connection,
return wl_event_source_fd_update(client->source, mask);
}
static void
advertise_object(struct wl_client *client, struct wl_object *object)
{
const struct wl_interface *interface;
static const char pad[4];
uint32_t length, p[2];
interface = object->interface;
length = strlen(interface->name);
p[0] = object->id;
p[1] = length;
wl_connection_write(client->connection, p, sizeof p);
wl_connection_write(client->connection, interface->name, length);
wl_connection_write(client->connection, pad, -length & 3);
}
static struct wl_client *
wl_client_create(struct wl_display *display, int fd)
{
struct wl_client *client;
struct wl_object_ref *ref;
uint32_t count;
client = malloc(sizeof *client);
if (client == NULL)
@ -315,14 +300,14 @@ wl_client_create(struct wl_display *display, int fd)
sizeof display->client_id_range);
display->client_id_range += 256;
/* Write list of global objects to client. */
count = wl_list_length(&display->global_list);
wl_connection_write(client->connection, &count, sizeof count);
ref = container_of(display->global_list.next,
struct wl_object_ref, link);
while (&ref->link != &display->global_list) {
advertise_object(client, ref->object);
wl_client_marshal(client, &client->display->base,
WL_DISPLAY_GLOBAL,
ref->object,
ref->object->interface->name,
ref->object->interface->version);
ref = container_of(ref->link.next,
struct wl_object_ref, link);
@ -455,6 +440,7 @@ static const struct wl_event display_events[] = {
{ "invalid_object", "u" },
{ "invalid_method", "uu" },
{ "no_memory", "" },
{ "global", "osu" },
};
static const struct wl_interface display_interface = {

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