uint8_t pad0; /**< Padding */
uint16_t sequence; /**< Sequence number */
uint32_t pad[7]; /**< Padding */
- uint32_t full_sequence;
+ uint32_t full_sequence; /**< full sequence */
} xcb_generic_event_t;
+/**
+ * @brief GE event
+ *
+ * An event as sent by the XGE extension. The length field specifies the
+ * number of 4-byte blocks trailing the struct.
+ */
+typedef struct {
+ uint8_t response_type; /**< Type of the response */
+ uint8_t pad0; /**< Padding */
+ uint16_t sequence; /**< Sequence number */
+ uint32_t length;
+ uint16_t event_type;
+ uint16_t pad1;
+ uint32_t pad[5]; /**< Padding */
+ uint32_t full_sequence; /**< full sequence */
+} xcb_ge_event_t;
+
/**
* @brief Generic error.
*
uint8_t response_type; /**< Type of the response */
uint8_t error_code; /**< Error code */
uint16_t sequence; /**< Sequence number */
- uint32_t pad[7]; /**< Padding */
- uint32_t full_sequence;
+ uint32_t resource_id; /** < Resource ID for requests with side effects only */
+ uint16_t minor_code; /** < Minor opcode of the failed request */
+ uint8_t major_code; /** < Major opcode of the failed request */
+ uint8_t pad0;
+ uint32_t pad[5]; /**< Padding */
+ uint32_t full_sequence; /**< full sequence */
} xcb_generic_error_t;
/**
int xcb_flush(xcb_connection_t *c);
/**
- * @brief Returns the maximum request length field from the connection
- * setup data.
+ * @brief Returns the maximum request length that this server accepts.
* @param c: The connection to the X server.
* @return The maximum request length field.
*
*/
uint32_t xcb_get_maximum_request_length(xcb_connection_t *c);
+/**
+ * @brief Prefetch the maximum request length without blocking.
+ * @param c: The connection to the X server.
+ *
+ * Without blocking, does as much work as possible toward computing
+ * the maximum request length accepted by the X server.
+ *
+ * Invoking this function may cause a call to xcb_big_requests_enable,
+ * but will not block waiting for the reply.
+ * xcb_get_maximum_request_length will return the prefetched data
+ * after possibly blocking while the reply is retrieved.
+ *
+ * Note that in order for this function to be fully non-blocking, the
+ * application must previously have called
+ * xcb_prefetch_extension_data(c, &xcb_big_requests_id) and the reply
+ * must have already arrived.
+ */
+void xcb_prefetch_maximum_request_length(xcb_connection_t *c);
+
/* xcb_in.c */
/**
* @brief Returns the next event or error from the server.
* @param c: The connection to the X server.
- * @param error: A pointer to an int to be filled in with the I/O
* error status of the operation.
* @return The next event from the server.
*
* Returns the next event or error from the server, if one is
* available, or returns @c NULL otherwise. If no event is available, that
* might be because an I/O error like connection close occurred while
- * attempting to read the next event. The @p error parameter is a
- * pointer to an int to be filled in with the I/O error status of the
- * operation. If @p error is @c NULL, terminates the application when an
- * I/O error occurs.
+ * attempting to read the next event, in which case the connection is
+ * shut down when this function returns.
*/
-xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c, int *error);
+xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c);
/**
* @brief Return the error for a request, or NULL if none can ever arrive.
*/
xcb_generic_error_t *xcb_request_check(xcb_connection_t *c, xcb_void_cookie_t cookie);
+/**
+ * @brief Discards the reply for a request.
+ * @param c: The connection to the X server.
+ * @param sequence: The request sequence number from a cookie.
+ *
+ * Discards the reply for a request. Additionally, any error generated
+ * by the request is also discarded (unless it was an _unchecked request
+ * and the error has already arrived).
+ *
+ * This function will not block even if the reply is not yet available.
+ *
+ * Note that the sequence really does have to come from an xcb cookie;
+ * this function is not designed to operate on socket-handoff replies.
+ */
+void xcb_discard_reply(xcb_connection_t *c, unsigned int sequence);
+
/* xcb_ext.c */
/**
* @brief Parses a display string name in the form documented by X(7x).
- * @param displayname: The name of the display.
- * @param hostp: A pointer to a malloc'd copy of the hostname.
- * @param displayp: A pointer to the display number.
- * @param screenp: A pointer to the screen number.
+ * @param name: The name of the display.
+ * @param host: A pointer to a malloc'd copy of the hostname.
+ * @param display: A pointer to the display number.
+ * @param screen: A pointer to the screen number.
* @return 0 on failure, non 0 otherwise.
*
* Parses the display string name @p display_name in the form
/**
* @brief Connects to the X server, using an authorization information.
- * @param displayname: The name of the display.
+ * @param display: The name of the display.
* @param auth: The authorization information.
- * @param screenp: A pointer to a preferred screen number.
+ * @param screen: A pointer to a preferred screen number.
* @return A newly allocated xcb_connection_t structure.
*
* Connects to the X server specified by @p displayname, using the
xcb_connection_t *xcb_connect_to_display_with_auth_info(const char *display, xcb_auth_info_t *auth, int *screen);
+/* xcb_xid.c */
+
+/**
+ * @brief Allocates an XID for a new object.
+ * @param c: The connection.
+ * @return A newly allocated XID.
+ *
+ * Allocates an XID for a new object. Typically used just prior to
+ * various object creation functions, such as xcb_create_window.
+ */
+uint32_t xcb_generate_id(xcb_connection_t *c);
+
+
/**
* @}
*/