include/queue.h

   1 /*
   2  * Message queues definitions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __WINE_QUEUE_H
  22 #define __WINE_QUEUE_H
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wingdi.h"
  27 #include "winuser.h"
  28 #include "thread.h"
  29
  30 struct received_message_info;
  31 struct hook16_queue_info;
  32
  33 /* Message queue */
  34 typedef struct tagMESSAGEQUEUE
  35 {
  36   HQUEUE16  self;                   /* Handle to self (was: reserved) */
  37   HANDLE    server_queue;           /* Handle to server-side queue */
  38   DWORD     recursion_count;        /* Counter to prevent infinite SendMessage recursion */
  39   HHOOK     hook;                   /* Current hook */
  40   struct received_message_info *receive_info; /* Info about message being currently received */
  41   struct hook16_queue_info *hook16_info;      /* Opaque pointer for 16-bit hook support */
  42
  43   DWORD     GetMessageTimeVal;      /* Value for GetMessageTime */
  44   DWORD     GetMessagePosVal;       /* Value for GetMessagePos */
  45   DWORD     GetMessageExtraInfoVal; /* Value for GetMessageExtraInfo */
  46
  47   HCURSOR   cursor;                 /* current cursor */
  48   INT       cursor_count;           /* cursor show count */
  49 } MESSAGEQUEUE;
  50
  51
  52 #define MAX_SENDMSG_RECURSION  64
  53
  54 /* Message queue management methods */
  55 extern MESSAGEQUEUE *QUEUE_Current(void);
  56 extern void QUEUE_DeleteMsgQueue(void);
  57
  58 #endif  /* __WINE_QUEUE_H */