4 * Copyright 1993 Alexandre Julliard
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.
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.
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
21 #ifndef __WINE_MESSAGE_H
22 #define __WINE_MESSAGE_H
28 #include "wine/windef16.h"
30 struct received_message_info;
31 struct hook16_queue_info;
34 typedef struct tagMESSAGEQUEUE
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 */
43 DWORD GetMessageTimeVal; /* Value for GetMessageTime */
44 DWORD GetMessagePosVal; /* Value for GetMessagePos */
45 DWORD GetMessageExtraInfoVal; /* Value for GetMessageExtraInfo */
47 HCURSOR cursor; /* current cursor */
48 INT cursor_count; /* cursor show count */
52 #define MAX_SENDMSG_RECURSION 64
55 extern MESSAGEQUEUE *QUEUE_Current(void);
56 extern void QUEUE_DeleteMsgQueue(void);
59 extern LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
60 UINT msg, WPARAM wparam, LPARAM lparam,
61 UINT flags, UINT timeout, PDWORD_PTR res_ptr );
64 #define SPY_DISPATCHMESSAGE16 0x0100
65 #define SPY_DISPATCHMESSAGE 0x0101
66 #define SPY_SENDMESSAGE16 0x0102
67 #define SPY_SENDMESSAGE 0x0103
68 #define SPY_DEFWNDPROC16 0x0104
69 #define SPY_DEFWNDPROC 0x0105
71 #define SPY_RESULT_OK16 0x0000
72 #define SPY_RESULT_OK 0x0001
73 #define SPY_RESULT_INVALIDHWND16 0x0002
74 #define SPY_RESULT_INVALIDHWND 0x0003
75 #define SPY_RESULT_DEFWND16 0x0004
76 #define SPY_RESULT_DEFWND 0x0005
79 extern const char *SPY_GetMsgName( UINT msg, HWND hWnd );
80 extern const char *SPY_GetVKeyName(WPARAM wParam);
81 extern void SPY_EnterMessage( INT iFlag, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam );
82 extern void SPY_ExitMessage( INT iFlag, HWND hwnd, UINT msg,
83 LRESULT lReturn, WPARAM wParam, LPARAM lParam );
84 extern int SPY_Init(void);
86 /* check if hwnd is a broadcast magic handle */
87 inline static BOOL is_broadcast( HWND hwnd )
89 return (hwnd == HWND_BROADCAST || hwnd == HWND_TOPMOST);
92 #endif /* __WINE_MESSAGE_H */