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/*
* Window messaging support
*
* Copyright 2001 Alexandre Julliard
* Copyright 2008 Maarten Lankhorst
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include <stdarg.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "winnls.h"
#include "dbt.h"
#include "dde.h"
#include "imm.h"
#include "hidusage.h"
#include "ddk/imm.h"
#include "wine/server.h"
#include "user_private.h"
#include "win.h"
#include "controls.h"
#include "wine/debug.h"
#include "wine/exception.h"
WINE_DEFAULT_DEBUG_CHANNEL(msg);
WINE_DECLARE_DEBUG_CHANNEL(relay);
WINE_DECLARE_DEBUG_CHANNEL(key);
#define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
#define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
#define MAX_PACK_COUNT 4
/* the various structures that can be sent in messages, in platform-independent layout */
struct packed_CREATESTRUCTW
{
ULONGLONG lpCreateParams;
ULONGLONG hInstance;
user_handle_t hMenu;
DWORD __pad1;
user_handle_t hwndParent;
DWORD __pad2;
INT cy;
INT cx;
INT y;
INT x;
LONG style;
ULONGLONG lpszName;
ULONGLONG lpszClass;
DWORD dwExStyle;
DWORD __pad3;
};
struct packed_DRAWITEMSTRUCT
{
UINT CtlType;
UINT CtlID;
UINT itemID;
UINT itemAction;
UINT itemState;
user_handle_t hwndItem;
DWORD __pad1;
user_handle_t hDC;
DWORD __pad2;
RECT rcItem;
ULONGLONG itemData;
};
struct packed_MEASUREITEMSTRUCT
{
UINT CtlType;
UINT CtlID;
UINT itemID;
UINT itemWidth;
UINT itemHeight;
ULONGLONG itemData;
};
struct packed_DELETEITEMSTRUCT
{
UINT CtlType;
UINT CtlID;
UINT itemID;
user_handle_t hwndItem;
DWORD __pad;
ULONGLONG itemData;
};
struct packed_COMPAREITEMSTRUCT
{
UINT CtlType;
UINT CtlID;
user_handle_t hwndItem;
DWORD __pad1;
UINT itemID1;
ULONGLONG itemData1;
UINT itemID2;
ULONGLONG itemData2;
DWORD dwLocaleId;
DWORD __pad2;
};
struct packed_WINDOWPOS
{
user_handle_t hwnd;
DWORD __pad1;
user_handle_t hwndInsertAfter;
DWORD __pad2;
INT x;
INT y;
INT cx;
INT cy;
UINT flags;
DWORD __pad3;
};
struct packed_COPYDATASTRUCT
{
ULONGLONG dwData;
DWORD cbData;
ULONGLONG lpData;
};
struct packed_HELPINFO
{
UINT cbSize;
INT iContextType;
INT iCtrlId;
user_handle_t hItemHandle;
DWORD __pad;
ULONGLONG dwContextId;
POINT MousePos;
};
struct packed_NCCALCSIZE_PARAMS
{
RECT rgrc[3];
ULONGLONG __pad1;
user_handle_t hwnd;
DWORD __pad2;
user_handle_t hwndInsertAfter;
DWORD __pad3;
INT x;
INT y;
INT cx;
INT cy;
UINT flags;
DWORD __pad4;
};
struct packed_MSG
{
user_handle_t hwnd;
DWORD __pad1;
UINT message;
ULONGLONG wParam;
ULONGLONG lParam;
DWORD time;
POINT pt;
DWORD __pad2;
};
struct packed_MDINEXTMENU
{
user_handle_t hmenuIn;
DWORD __pad1;
user_handle_t hmenuNext;
DWORD __pad2;
user_handle_t hwndNext;
DWORD __pad3;
};
struct packed_MDICREATESTRUCTW
{
ULONGLONG szClass;
ULONGLONG szTitle;
ULONGLONG hOwner;
INT x;
INT y;
INT cx;
INT cy;
DWORD style;
ULONGLONG lParam;
};
struct packed_hook_extra_info
{
user_handle_t handle;
DWORD __pad;
ULONGLONG lparam;
};
/* the structures are unpacked on top of the packed ones, so make sure they fit */
C_ASSERT( sizeof(struct packed_CREATESTRUCTW) >= sizeof(CREATESTRUCTW) );
C_ASSERT( sizeof(struct packed_DRAWITEMSTRUCT) >= sizeof(DRAWITEMSTRUCT) );
C_ASSERT( sizeof(struct packed_MEASUREITEMSTRUCT) >= sizeof(MEASUREITEMSTRUCT) );
C_ASSERT( sizeof(struct packed_DELETEITEMSTRUCT) >= sizeof(DELETEITEMSTRUCT) );
C_ASSERT( sizeof(struct packed_COMPAREITEMSTRUCT) >= sizeof(COMPAREITEMSTRUCT) );
C_ASSERT( sizeof(struct packed_WINDOWPOS) >= sizeof(WINDOWPOS) );
C_ASSERT( sizeof(struct packed_COPYDATASTRUCT) >= sizeof(COPYDATASTRUCT) );
C_ASSERT( sizeof(struct packed_HELPINFO) >= sizeof(HELPINFO) );
C_ASSERT( sizeof(struct packed_NCCALCSIZE_PARAMS) >= sizeof(NCCALCSIZE_PARAMS) + sizeof(WINDOWPOS) );
C_ASSERT( sizeof(struct packed_MSG) >= sizeof(MSG) );
C_ASSERT( sizeof(struct packed_MDINEXTMENU) >= sizeof(MDINEXTMENU) );
C_ASSERT( sizeof(struct packed_MDICREATESTRUCTW) >= sizeof(MDICREATESTRUCTW) );
C_ASSERT( sizeof(struct packed_hook_extra_info) >= sizeof(struct hook_extra_info) );
union packed_structs
{
struct packed_CREATESTRUCTW cs;
struct packed_DRAWITEMSTRUCT dis;
struct packed_MEASUREITEMSTRUCT mis;
struct packed_DELETEITEMSTRUCT dls;
struct packed_COMPAREITEMSTRUCT cis;
struct packed_WINDOWPOS wp;
struct packed_COPYDATASTRUCT cds;
struct packed_HELPINFO hi;
struct packed_NCCALCSIZE_PARAMS ncp;
struct packed_MSG msg;
struct packed_MDINEXTMENU mnm;
struct packed_MDICREATESTRUCTW mcs;
struct packed_hook_extra_info hook;
};
/* description of the data fields that need to be packed along with a sent message */
struct packed_message
{
union packed_structs ps;
int count;
const void *data[MAX_PACK_COUNT];
size_t size[MAX_PACK_COUNT];
};
/* info about the message currently being received by the current thread */
struct received_message_info
{
enum message_type type;
MSG msg;
UINT flags; /* InSendMessageEx return flags */
};
/* structure to group all parameters for sent messages of the various kinds */
struct send_message_info
{
enum message_type type;
DWORD dest_tid;
HWND hwnd;
UINT msg;
WPARAM wparam;
LPARAM lparam;
UINT flags; /* flags for SendMessageTimeout */
UINT timeout; /* timeout for SendMessageTimeout */
SENDASYNCPROC callback; /* callback function for SendMessageCallback */
ULONG_PTR data; /* callback data */
enum wm_char_mapping wm_char;
};
static const INPUT_MESSAGE_SOURCE msg_source_unavailable = { IMDT_UNAVAILABLE, IMO_UNAVAILABLE };
/* Message class descriptor */
const struct builtin_class_descr MESSAGE_builtin_class =
{
L"Message", /* name */
0, /* style */
WINPROC_MESSAGE, /* proc */
0, /* extra */
0, /* cursor */
0 /* brush */
};
/* flag for messages that contain pointers */
/* 32 messages per entry, messages 0..31 map to bits 0..31 */
#define SET(msg) (1 << ((msg) & 31))
static const unsigned int message_pointer_flags[] =
{
/* 0x00 - 0x1f */
SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) |
SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
/* 0x20 - 0x3f */
SET(WM_GETMINMAXINFO) | SET(WM_DRAWITEM) | SET(WM_MEASUREITEM) | SET(WM_DELETEITEM) |
SET(WM_COMPAREITEM),
/* 0x40 - 0x5f */
SET(WM_WINDOWPOSCHANGING) | SET(WM_WINDOWPOSCHANGED) | SET(WM_COPYDATA) | SET(WM_HELP),
/* 0x60 - 0x7f */
SET(WM_STYLECHANGING) | SET(WM_STYLECHANGED),
/* 0x80 - 0x9f */
SET(WM_NCCREATE) | SET(WM_NCCALCSIZE) | SET(WM_GETDLGCODE),
/* 0xa0 - 0xbf */
SET(EM_GETSEL) | SET(EM_GETRECT) | SET(EM_SETRECT) | SET(EM_SETRECTNP),
/* 0xc0 - 0xdf */
SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
/* 0xe0 - 0xff */
SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO) | SET(SBM_GETSCROLLBARINFO),
/* 0x100 - 0x11f */
0,
/* 0x120 - 0x13f */
0,
/* 0x140 - 0x15f */
SET(CB_GETEDITSEL) | SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) |
SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) |
SET(CB_GETDROPPEDCONTROLRECT) | SET(CB_FINDSTRINGEXACT),
/* 0x160 - 0x17f */
0,
/* 0x180 - 0x19f */
SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_SELECTSTRING) |
SET(LB_DIR) | SET(LB_FINDSTRING) |
SET(LB_GETSELITEMS) | SET(LB_SETTABSTOPS) | SET(LB_ADDFILE) | SET(LB_GETITEMRECT),
/* 0x1a0 - 0x1bf */
SET(LB_FINDSTRINGEXACT),
/* 0x1c0 - 0x1df */
0,
/* 0x1e0 - 0x1ff */
0,
/* 0x200 - 0x21f */
SET(WM_NEXTMENU) | SET(WM_SIZING) | SET(WM_MOVING) | SET(WM_DEVICECHANGE),
/* 0x220 - 0x23f */
SET(WM_MDICREATE) | SET(WM_MDIGETACTIVE) | SET(WM_DROPOBJECT) |
SET(WM_QUERYDROPOBJECT) | SET(WM_DRAGLOOP) | SET(WM_DRAGSELECT) | SET(WM_DRAGMOVE),
/* 0x240 - 0x25f */
0,
/* 0x260 - 0x27f */
0,
/* 0x280 - 0x29f */
0,
/* 0x2a0 - 0x2bf */
0,
/* 0x2c0 - 0x2df */
0,
/* 0x2e0 - 0x2ff */
0,
/* 0x300 - 0x31f */
SET(WM_ASKCBFORMATNAME)
};
/* flags for messages that contain Unicode strings */
static const unsigned int message_unicode_flags[] =
{
/* 0x00 - 0x1f */
SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) | SET(WM_GETTEXTLENGTH) |
SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
/* 0x20 - 0x3f */
SET(WM_CHARTOITEM),
/* 0x40 - 0x5f */
0,
/* 0x60 - 0x7f */
0,
/* 0x80 - 0x9f */
SET(WM_NCCREATE),
/* 0xa0 - 0xbf */
0,
/* 0xc0 - 0xdf */
SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETPASSWORDCHAR),
/* 0xe0 - 0xff */
0,
/* 0x100 - 0x11f */
SET(WM_CHAR) | SET(WM_DEADCHAR) | SET(WM_SYSCHAR) | SET(WM_SYSDEADCHAR),
/* 0x120 - 0x13f */
SET(WM_MENUCHAR),
/* 0x140 - 0x15f */
SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) | SET(CB_GETLBTEXTLEN) |
SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) | SET(CB_FINDSTRINGEXACT),
/* 0x160 - 0x17f */
0,
/* 0x180 - 0x19f */
SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_GETTEXTLEN) |
SET(LB_SELECTSTRING) | SET(LB_DIR) | SET(LB_FINDSTRING) | SET(LB_ADDFILE),
/* 0x1a0 - 0x1bf */
SET(LB_FINDSTRINGEXACT),
/* 0x1c0 - 0x1df */
0,
/* 0x1e0 - 0x1ff */
0,
/* 0x200 - 0x21f */
0,
/* 0x220 - 0x23f */
SET(WM_MDICREATE),
/* 0x240 - 0x25f */
0,
/* 0x260 - 0x27f */
0,
/* 0x280 - 0x29f */
SET(WM_IME_CHAR),
/* 0x2a0 - 0x2bf */
0,
/* 0x2c0 - 0x2df */
0,
/* 0x2e0 - 0x2ff */
0,
/* 0x300 - 0x31f */
SET(WM_PAINTCLIPBOARD) | SET(WM_SIZECLIPBOARD) | SET(WM_ASKCBFORMATNAME)
};
/* check whether a given message type includes pointers */
static inline BOOL is_pointer_message( UINT message, WPARAM wparam )
{
if (message >= 8*sizeof(message_pointer_flags)) return FALSE;
if (message == WM_DEVICECHANGE && !(wparam & 0x8000)) return FALSE;
return (message_pointer_flags[message / 32] & SET(message)) != 0;
}
/* check whether a given message type contains Unicode (or ASCII) chars */
static inline BOOL is_unicode_message( UINT message )
{
if (message >= 8*sizeof(message_unicode_flags)) return FALSE;
return (message_unicode_flags[message / 32] & SET(message)) != 0;
}
#undef SET
/* add a data field to a packed message */
static inline void push_data( struct packed_message *data, const void *ptr, size_t size )
{
data->data[data->count] = ptr;
data->size[data->count] = size;
data->count++;
}
/* add a string to a packed message */
static inline void push_string( struct packed_message *data, LPCWSTR str )
{
push_data( data, str, (lstrlenW(str) + 1) * sizeof(WCHAR) );
}
/* make sure that the buffer contains a valid null-terminated Unicode string */
static inline BOOL check_string( LPCWSTR str, size_t size )
{
for (size /= sizeof(WCHAR); size; size--, str++)
if (!*str) return TRUE;
return FALSE;
}
/* pack a pointer into a 32/64 portable format */
static inline ULONGLONG pack_ptr( const void *ptr )
{
return (ULONG_PTR)ptr;
}
/* unpack a potentially 64-bit pointer, returning 0 when truncated */
static inline void *unpack_ptr( ULONGLONG ptr64 )
{
if ((ULONG_PTR)ptr64 != ptr64) return 0;
return (void *)(ULONG_PTR)ptr64;
}
/* make sure that there is space for 'size' bytes in buffer, growing it if needed */
static inline void *get_buffer_space( void **buffer, size_t size )
{
void *ret;
if (*buffer)
{
if (!(ret = HeapReAlloc( GetProcessHeap(), 0, *buffer, size )))
HeapFree( GetProcessHeap(), 0, *buffer );
}
else ret = HeapAlloc( GetProcessHeap(), 0, size );
*buffer = ret;
return ret;
}
/* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
static inline BOOL combobox_has_strings( HWND hwnd )
{
DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
}
/* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
static inline BOOL listbox_has_strings( HWND hwnd )
{
DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
}
/* check whether message is in the range of keyboard messages */
static inline BOOL is_keyboard_message( UINT message )
{
return (message >= WM_KEYFIRST && message <= WM_KEYLAST);
}
/* check whether message is in the range of mouse messages */
static inline BOOL is_mouse_message( UINT message )
{
return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) ||
(message >= WM_MOUSEFIRST && message <= WM_MOUSELAST));
}
/* check whether message matches the specified hwnd filter */
static inline BOOL check_hwnd_filter( const MSG *msg, HWND hwnd_filter )
{
if (!hwnd_filter || hwnd_filter == GetDesktopWindow()) return TRUE;
return (msg->hwnd == hwnd_filter || IsChild( hwnd_filter, msg->hwnd ));
}
/* check for pending WM_CHAR message with DBCS trailing byte */
static inline BOOL get_pending_wmchar( MSG *msg, UINT first, UINT last, BOOL remove )
{
struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
if (!data || !data->get_msg.message) return FALSE;
if ((first || last) && (first > WM_CHAR || last < WM_CHAR)) return FALSE;
if (!msg) return FALSE;
*msg = data->get_msg;
if (remove) data->get_msg.message = 0;
return TRUE;
}
/***********************************************************************
* MessageWndProc
*
* Window procedure for "Message" windows (HWND_MESSAGE parent).
*/
LRESULT WINAPI MessageWndProc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
{
if (message == WM_NCCREATE) return TRUE;
return 0; /* all other messages are ignored */
}
/***********************************************************************
* broadcast_message_callback
*
* Helper callback for broadcasting messages.
*/
static BOOL CALLBACK broadcast_message_callback( HWND hwnd, LPARAM lparam )
{
struct send_message_info *info = (struct send_message_info *)lparam;
if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) == WS_CHILD)
return TRUE;
switch(info->type)
{
case MSG_UNICODE:
SendMessageTimeoutW( hwnd, info->msg, info->wparam, info->lparam,
info->flags, info->timeout, NULL );
break;
case MSG_ASCII:
SendMessageTimeoutA( hwnd, info->msg, info->wparam, info->lparam,
info->flags, info->timeout, NULL );
break;
case MSG_NOTIFY:
SendNotifyMessageW( hwnd, info->msg, info->wparam, info->lparam );
break;
case MSG_CALLBACK:
SendMessageCallbackW( hwnd, info->msg, info->wparam, info->lparam,
info->callback, info->data );
break;
case MSG_POSTED:
PostMessageW( hwnd, info->msg, info->wparam, info->lparam );
break;
default:
ERR( "bad type %d\n", info->type );
break;
}
return TRUE;
}
DWORD get_input_codepage( void )
{
DWORD cp;
int ret;
HKL hkl = NtUserGetKeyboardLayout( 0 );
ret = GetLocaleInfoW( LOWORD(hkl), LOCALE_IDEFAULTANSICODEPAGE | LOCALE_RETURN_NUMBER,
(WCHAR *)&cp, sizeof(cp) / sizeof(WCHAR) );
if (!ret) cp = CP_ACP;
return cp;
}
/***********************************************************************
* map_wparam_AtoW
*
* Convert the wparam of an ASCII message to Unicode.
*/
BOOL map_wparam_AtoW( UINT message, WPARAM *wparam, enum wm_char_mapping mapping )
{
char ch[2];
WCHAR wch[2];
DWORD cp;
wch[0] = wch[1] = 0;
switch(message)
{
case WM_CHAR:
/* WM_CHAR is magic: a DBCS char can be sent/posted as two consecutive WM_CHAR
* messages, in which case the first char is stored, and the conversion
* to Unicode only takes place once the second char is sent/posted.
*/
if (mapping != WMCHAR_MAP_NOMAPPING)
{
struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
BYTE low = LOBYTE(*wparam);
cp = get_input_codepage();
if (HIBYTE(*wparam))
{
ch[0] = low;
ch[1] = HIBYTE(*wparam);
MultiByteToWideChar( cp, 0, ch, 2, wch, 2 );
TRACE( "map %02x,%02x -> %04x mapping %u\n", (BYTE)ch[0], (BYTE)ch[1], wch[0], mapping );
if (data) data->lead_byte[mapping] = 0;
}
else if (data && data->lead_byte[mapping])
{
ch[0] = data->lead_byte[mapping];
ch[1] = low;
MultiByteToWideChar( cp, 0, ch, 2, wch, 2 );
TRACE( "map stored %02x,%02x -> %04x mapping %u\n", (BYTE)ch[0], (BYTE)ch[1], wch[0], mapping );
data->lead_byte[mapping] = 0;
}
else if (!IsDBCSLeadByte( low ))
{
ch[0] = low;
MultiByteToWideChar( cp, 0, ch, 1, wch, 2 );
TRACE( "map %02x -> %04x\n", (BYTE)ch[0], wch[0] );
if (data) data->lead_byte[mapping] = 0;
}
else /* store it and wait for trail byte */
{
if (!data)
{
if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) )))
return FALSE;
get_user_thread_info()->wmchar_data = data;
}
TRACE( "storing lead byte %02x mapping %u\n", low, mapping );
data->lead_byte[mapping] = low;
return FALSE;
}
*wparam = MAKEWPARAM(wch[0], wch[1]);
break;
}
/* else fall through */
case WM_CHARTOITEM:
case EM_SETPASSWORDCHAR:
case WM_DEADCHAR:
case WM_SYSCHAR:
case WM_SYSDEADCHAR:
case WM_MENUCHAR:
cp = get_input_codepage();
ch[0] = LOBYTE(*wparam);
ch[1] = HIBYTE(*wparam);
MultiByteToWideChar( cp, 0, ch, 2, wch, 2 );
*wparam = MAKEWPARAM(wch[0], wch[1]);
break;
case WM_IME_CHAR:
cp = get_input_codepage();
ch[0] = HIBYTE(*wparam);
ch[1] = LOBYTE(*wparam);
if (ch[0]) MultiByteToWideChar( cp, 0, ch, 2, wch, 2 );
else MultiByteToWideChar( cp, 0, ch + 1, 1, wch, 1 );
*wparam = MAKEWPARAM(wch[0], HIWORD(*wparam));
break;
}
return TRUE;
}
/***********************************************************************
* map_wparam_WtoA
*
* Convert the wparam of a Unicode message to ASCII.
*/
static void map_wparam_WtoA( MSG *msg, BOOL remove )
{
BYTE ch[4];
WCHAR wch[2];
DWORD len;
DWORD cp;
switch(msg->message)
{
case WM_CHAR:
if (!HIWORD(msg->wParam))
{
cp = get_input_codepage();
wch[0] = LOWORD(msg->wParam);
ch[0] = ch[1] = 0;
len = WideCharToMultiByte( cp, 0, wch, 1, (LPSTR)ch, 2, NULL, NULL );
if (len == 2) /* DBCS char */
{
struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
if (!data)
{
if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) ))) return;
get_user_thread_info()->wmchar_data = data;
}
if (remove)
{
data->get_msg = *msg;
data->get_msg.wParam = ch[1];
}
msg->wParam = ch[0];
return;
}
}
/* else fall through */
case WM_CHARTOITEM:
case EM_SETPASSWORDCHAR:
case WM_DEADCHAR:
case WM_SYSCHAR:
case WM_SYSDEADCHAR:
case WM_MENUCHAR:
cp = get_input_codepage();
wch[0] = LOWORD(msg->wParam);
wch[1] = HIWORD(msg->wParam);
ch[0] = ch[1] = 0;
WideCharToMultiByte( cp, 0, wch, 2, (LPSTR)ch, 4, NULL, NULL );
msg->wParam = MAKEWPARAM( ch[0] | (ch[1] << 8), 0 );
break;
case WM_IME_CHAR:
cp = get_input_codepage();
wch[0] = LOWORD(msg->wParam);
ch[0] = ch[1] = 0;
len = WideCharToMultiByte( cp, 0, wch, 1, (LPSTR)ch, 2, NULL, NULL );
if (len == 2)
msg->wParam = MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(msg->wParam) );
else
msg->wParam = MAKEWPARAM( ch[0], HIWORD(msg->wParam) );
break;
}
}
/***********************************************************************
* pack_message
*
* Pack a message for sending to another process.
* Return the size of the data we expect in the message reply.
* Set data->count to -1 if there is an error.
*/
static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
struct packed_message *data )
{
data->count = 0;
switch(message)
{
case WM_NCCREATE:
case WM_CREATE:
{
CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
data->ps.cs.lpCreateParams = pack_ptr( cs->lpCreateParams );
data->ps.cs.hInstance = pack_ptr( cs->hInstance );
data->ps.cs.hMenu = wine_server_user_handle( cs->hMenu );
data->ps.cs.hwndParent = wine_server_user_handle( cs->hwndParent );
data->ps.cs.cy = cs->cy;
data->ps.cs.cx = cs->cx;
data->ps.cs.y = cs->y;
data->ps.cs.x = cs->x;
data->ps.cs.style = cs->style;
data->ps.cs.dwExStyle = cs->dwExStyle;
data->ps.cs.lpszName = pack_ptr( cs->lpszName );
data->ps.cs.lpszClass = pack_ptr( cs->lpszClass );
push_data( data, &data->ps.cs, sizeof(data->ps.cs) );
if (!IS_INTRESOURCE(cs->lpszName)) push_string( data, cs->lpszName );
if (!IS_INTRESOURCE(cs->lpszClass)) push_string( data, cs->lpszClass );
return sizeof(data->ps.cs);
}
case WM_GETTEXT:
case WM_ASKCBFORMATNAME:
return wparam * sizeof(WCHAR);
case WM_WININICHANGE:
if (lparam) push_string(data, (LPWSTR)lparam );
return 0;
case WM_SETTEXT:
case WM_DEVMODECHANGE:
case CB_DIR:
case LB_DIR:
case LB_ADDFILE:
case EM_REPLACESEL:
push_string( data, (LPWSTR)lparam );
return 0;
case WM_GETMINMAXINFO:
push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
return sizeof(MINMAXINFO);
case WM_DRAWITEM:
{
DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)lparam;
data->ps.dis.CtlType = dis->CtlType;
data->ps.dis.CtlID = dis->CtlID;
data->ps.dis.itemID = dis->itemID;
data->ps.dis.itemAction = dis->itemAction;
data->ps.dis.itemState = dis->itemState;
data->ps.dis.hwndItem = wine_server_user_handle( dis->hwndItem );
data->ps.dis.hDC = wine_server_user_handle( dis->hDC ); /* FIXME */
data->ps.dis.rcItem = dis->rcItem;
data->ps.dis.itemData = dis->itemData;
push_data( data, &data->ps.dis, sizeof(data->ps.dis) );
return 0;
}
case WM_MEASUREITEM:
{
MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
data->ps.mis.CtlType = mis->CtlType;
data->ps.mis.CtlID = mis->CtlID;
data->ps.mis.itemID = mis->itemID;
data->ps.mis.itemWidth = mis->itemWidth;
data->ps.mis.itemHeight = mis->itemHeight;
data->ps.mis.itemData = mis->itemData;
push_data( data, &data->ps.mis, sizeof(data->ps.mis) );
return sizeof(data->ps.mis);
}
case WM_DELETEITEM:
{
DELETEITEMSTRUCT *dls = (DELETEITEMSTRUCT *)lparam;
data->ps.dls.CtlType = dls->CtlType;
data->ps.dls.CtlID = dls->CtlID;
data->ps.dls.itemID = dls->itemID;
data->ps.dls.hwndItem = wine_server_user_handle( dls->hwndItem );
data->ps.dls.itemData = dls->itemData;
push_data( data, &data->ps.dls, sizeof(data->ps.dls) );
return 0;
}
case WM_COMPAREITEM:
{
COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)lparam;
data->ps.cis.CtlType = cis->CtlType;
data->ps.cis.CtlID = cis->CtlID;
data->ps.cis.hwndItem = wine_server_user_handle( cis->hwndItem );
data->ps.cis.itemID1 = cis->itemID1;
data->ps.cis.itemData1 = cis->itemData1;
data->ps.cis.itemID2 = cis->itemID2;
data->ps.cis.itemData2 = cis->itemData2;
data->ps.cis.dwLocaleId = cis->dwLocaleId;
push_data( data, &data->ps.cis, sizeof(data->ps.cis) );
return 0;
}
case WM_WINE_SETWINDOWPOS:
case WM_WINDOWPOSCHANGING:
case WM_WINDOWPOSCHANGED:
{
WINDOWPOS *wp = (WINDOWPOS *)lparam;
data->ps.wp.hwnd = wine_server_user_handle( wp->hwnd );
data->ps.wp.hwndInsertAfter = wine_server_user_handle( wp->hwndInsertAfter );
data->ps.wp.x = wp->x;
data->ps.wp.y = wp->y;
data->ps.wp.cx = wp->cx;
data->ps.wp.cy = wp->cy;
data->ps.wp.flags = wp->flags;
push_data( data, &data->ps.wp, sizeof(data->ps.wp) );
return sizeof(data->ps.wp);
}
case WM_COPYDATA:
{
COPYDATASTRUCT *cds = (COPYDATASTRUCT *)lparam;
data->ps.cds.cbData = cds->cbData;
data->ps.cds.dwData = cds->dwData;
data->ps.cds.lpData = pack_ptr( cds->lpData );
push_data( data, &data->ps.cds, sizeof(data->ps.cds) );
if (cds->lpData) push_data( data, cds->lpData, cds->cbData );
return 0;
}
case WM_NOTIFY:
/* WM_NOTIFY cannot be sent across processes (MSDN) */
data->count = -1;
return 0;
case WM_HELP:
{
HELPINFO *hi = (HELPINFO *)lparam;
data->ps.hi.iContextType = hi->iContextType;
data->ps.hi.iCtrlId = hi->iCtrlId;
data->ps.hi.hItemHandle = wine_server_user_handle( hi->hItemHandle );
data->ps.hi.dwContextId = hi->dwContextId;
data->ps.hi.MousePos = hi->MousePos;
push_data( data, &data->ps.hi, sizeof(data->ps.hi) );
return 0;
}
case WM_STYLECHANGING:
case WM_STYLECHANGED:
push_data( data, (STYLESTRUCT *)lparam, sizeof(STYLESTRUCT) );
return 0;
case WM_NCCALCSIZE:
if (!wparam)
{
push_data( data, (RECT *)lparam, sizeof(RECT) );
return sizeof(RECT);
}
else
{
NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
data->ps.ncp.rgrc[0] = ncp->rgrc[0];
data->ps.ncp.rgrc[1] = ncp->rgrc[1];
data->ps.ncp.rgrc[2] = ncp->rgrc[2];
data->ps.ncp.hwnd = wine_server_user_handle( ncp->lppos->hwnd );
data->ps.ncp.hwndInsertAfter = wine_server_user_handle( ncp->lppos->hwndInsertAfter );
data->ps.ncp.x = ncp->lppos->x;
data->ps.ncp.y = ncp->lppos->y;
data->ps.ncp.cx = ncp->lppos->cx;
data->ps.ncp.cy = ncp->lppos->cy;
data->ps.ncp.flags = ncp->lppos->flags;
push_data( data, &data->ps.ncp, sizeof(data->ps.ncp) );
return sizeof(data->ps.ncp);
}
case WM_GETDLGCODE:
if (lparam)
{
MSG *msg = (MSG *)lparam;
data->ps.msg.hwnd = wine_server_user_handle( msg->hwnd );
data->ps.msg.message = msg->message;
data->ps.msg.wParam = msg->wParam;
data->ps.msg.lParam = msg->lParam;
data->ps.msg.time = msg->time;
data->ps.msg.pt = msg->pt;
push_data( data, &data->ps.msg, sizeof(data->ps.msg) );
return sizeof(data->ps.msg);
}
return 0;
case SBM_SETSCROLLINFO:
push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
return 0;
case SBM_GETSCROLLINFO:
push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
return sizeof(SCROLLINFO);
case SBM_GETSCROLLBARINFO:
{
const SCROLLBARINFO *info = (const SCROLLBARINFO *)lparam;
size_t size = min( info->cbSize, sizeof(SCROLLBARINFO) );
push_data( data, info, size );
return size;
}
case EM_GETSEL:
case SBM_GETRANGE:
case CB_GETEDITSEL:
{
size_t size = 0;
if (wparam) size += sizeof(DWORD);
if (lparam) size += sizeof(DWORD);
return size;
}
case EM_GETRECT:
case LB_GETITEMRECT:
case CB_GETDROPPEDCONTROLRECT:
return sizeof(RECT);
case EM_SETRECT:
case EM_SETRECTNP:
push_data( data, (RECT *)lparam, sizeof(RECT) );
return 0;
case EM_GETLINE:
{
WORD *pw = (WORD *)lparam;
push_data( data, pw, sizeof(*pw) );
return *pw * sizeof(WCHAR);
}
case EM_SETTABSTOPS:
case LB_SETTABSTOPS:
if (wparam) push_data( data, (UINT *)lparam, sizeof(UINT) * wparam );
return 0;
case CB_ADDSTRING:
case CB_INSERTSTRING:
case CB_FINDSTRING:
case CB_FINDSTRINGEXACT:
case CB_SELECTSTRING:
if (combobox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
return 0;
case CB_GETLBTEXT:
if (!combobox_has_strings( hwnd )) return sizeof(ULONG_PTR);
return (SendMessageW( hwnd, CB_GETLBTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
case LB_ADDSTRING:
case LB_INSERTSTRING:
case LB_FINDSTRING:
case LB_FINDSTRINGEXACT:
case LB_SELECTSTRING:
if (listbox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
return 0;
case LB_GETTEXT:
if (!listbox_has_strings( hwnd )) return sizeof(ULONG_PTR);
return (SendMessageW( hwnd, LB_GETTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
case LB_GETSELITEMS:
return wparam * sizeof(UINT);
case WM_NEXTMENU:
{
MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
data->ps.mnm.hmenuIn = wine_server_user_handle( mnm->hmenuIn );
data->ps.mnm.hmenuNext = wine_server_user_handle( mnm->hmenuNext );
data->ps.mnm.hwndNext = wine_server_user_handle( mnm->hwndNext );
push_data( data, &data->ps.mnm, sizeof(data->ps.mnm) );
return sizeof(data->ps.mnm);
}
case WM_SIZING:
case WM_MOVING:
push_data( data, (RECT *)lparam, sizeof(RECT) );
return sizeof(RECT);
case WM_MDICREATE:
{
MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
data->ps.mcs.szClass = pack_ptr( mcs->szClass );
data->ps.mcs.szTitle = pack_ptr( mcs->szTitle );
data->ps.mcs.hOwner = pack_ptr( mcs->hOwner );
data->ps.mcs.x = mcs->x;
data->ps.mcs.y = mcs->y;
data->ps.mcs.cx = mcs->cx;
data->ps.mcs.cy = mcs->cy;
data->ps.mcs.style = mcs->style;
data->ps.mcs.lParam = mcs->lParam;
push_data( data, &data->ps.mcs, sizeof(data->ps.mcs) );
if (!IS_INTRESOURCE(mcs->szClass)) push_string( data, mcs->szClass );
if (!IS_INTRESOURCE(mcs->szTitle)) push_string( data, mcs->szTitle );
return sizeof(data->ps.mcs);
}
case WM_MDIGETACTIVE:
if (lparam) return sizeof(BOOL);
return 0;
case WM_DEVICECHANGE:
{
DEV_BROADCAST_HDR *header = (DEV_BROADCAST_HDR *)lparam;
if ((wparam & 0x8000) && header) push_data( data, header, header->dbch_size );
return 0;
}
case WM_WINE_KEYBOARD_LL_HOOK:
{
struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
data->ps.hook.handle = wine_server_user_handle( h_extra->handle );
push_data( data, &data->ps.hook, sizeof(data->ps.hook) );
push_data( data, (LPVOID)h_extra->lparam, sizeof(KBDLLHOOKSTRUCT) );
return 0;
}
case WM_WINE_MOUSE_LL_HOOK:
{
struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
data->ps.hook.handle = wine_server_user_handle( h_extra->handle );
push_data( data, &data->ps.hook, sizeof(data->ps.hook) );
push_data( data, (LPVOID)h_extra->lparam, sizeof(MSLLHOOKSTRUCT) );
return 0;
}
case WM_NCPAINT:
if (wparam <= 1) return 0;
FIXME( "WM_NCPAINT hdc packing not supported yet\n" );
data->count = -1;
return 0;
case WM_PAINT:
if (!wparam) return 0;
/* fall through */
/* these contain an HFONT */
case WM_SETFONT:
case WM_GETFONT:
/* these contain an HDC */
case WM_ERASEBKGND:
case WM_ICONERASEBKGND:
case WM_CTLCOLORMSGBOX:
case WM_CTLCOLOREDIT:
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLORBTN:
case WM_CTLCOLORDLG:
case WM_CTLCOLORSCROLLBAR:
case WM_CTLCOLORSTATIC:
case WM_PRINT:
case WM_PRINTCLIENT:
/* these contain an HGLOBAL */
case WM_PAINTCLIPBOARD:
case WM_SIZECLIPBOARD:
/* these contain HICON */
case WM_GETICON:
case WM_SETICON:
case WM_QUERYDRAGICON:
case WM_QUERYPARKICON:
/* these contain pointers */
case WM_DROPOBJECT:
case WM_QUERYDROPOBJECT:
case WM_DRAGLOOP:
case WM_DRAGSELECT:
case WM_DRAGMOVE:
FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
data->count = -1;
return 0;
}
return 0;
}
/***********************************************************************
* unpack_message
*
* Unpack a message received from another process.
*/
static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
void **buffer, size_t size )
{
size_t minsize = 0;
union packed_structs *ps = *buffer;
switch(message)
{
case WM_NCCREATE:
case WM_CREATE:
{
CREATESTRUCTW cs;
WCHAR *str = (WCHAR *)(&ps->cs + 1);
if (size < sizeof(ps->cs)) return FALSE;
size -= sizeof(ps->cs);
cs.lpCreateParams = unpack_ptr( ps->cs.lpCreateParams );
cs.hInstance = unpack_ptr( ps->cs.hInstance );
cs.hMenu = wine_server_ptr_handle( ps->cs.hMenu );
cs.hwndParent = wine_server_ptr_handle( ps->cs.hwndParent );
cs.cy = ps->cs.cy;
cs.cx = ps->cs.cx;
cs.y = ps->cs.y;
cs.x = ps->cs.x;
cs.style = ps->cs.style;
cs.dwExStyle = ps->cs.dwExStyle;
cs.lpszName = unpack_ptr( ps->cs.lpszName );
cs.lpszClass = unpack_ptr( ps->cs.lpszClass );
if (ps->cs.lpszName >> 16)
{
if (!check_string( str, size )) return FALSE;
cs.lpszName = str;
size -= (lstrlenW(str) + 1) * sizeof(WCHAR);
str += lstrlenW(str) + 1;
}
if (ps->cs.lpszClass >> 16)
{
if (!check_string( str, size )) return FALSE;
cs.lpszClass = str;
}
memcpy( &ps->cs, &cs, sizeof(cs) );
break;
}
case WM_GETTEXT:
case WM_ASKCBFORMATNAME:
if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)) )) return FALSE;
break;
case WM_WININICHANGE:
if (!*lparam) return TRUE;
/* fall through */
case WM_SETTEXT:
case WM_DEVMODECHANGE:
case CB_DIR:
case LB_DIR:
case LB_ADDFILE:
case EM_REPLACESEL:
if (!check_string( *buffer, size )) return FALSE;
break;
case WM_GETMINMAXINFO:
minsize = sizeof(MINMAXINFO);
break;
case WM_DRAWITEM:
{
DRAWITEMSTRUCT dis;
if (size < sizeof(ps->dis)) return FALSE;
dis.CtlType = ps->dis.CtlType;
dis.CtlID = ps->dis.CtlID;
dis.itemID = ps->dis.itemID;
dis.itemAction = ps->dis.itemAction;
dis.itemState = ps->dis.itemState;
dis.hwndItem = wine_server_ptr_handle( ps->dis.hwndItem );
dis.hDC = wine_server_ptr_handle( ps->dis.hDC );
dis.rcItem = ps->dis.rcItem;
dis.itemData = (ULONG_PTR)unpack_ptr( ps->dis.itemData );
memcpy( &ps->dis, &dis, sizeof(dis) );
break;
}
case WM_MEASUREITEM:
{
MEASUREITEMSTRUCT mis;
if (size < sizeof(ps->mis)) return FALSE;
mis.CtlType = ps->mis.CtlType;
mis.CtlID = ps->mis.CtlID;
mis.itemID = ps->mis.itemID;
mis.itemWidth = ps->mis.itemWidth;
mis.itemHeight = ps->mis.itemHeight;
mis.itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData );
memcpy( &ps->mis, &mis, sizeof(mis) );
break;
}
case WM_DELETEITEM:
{
DELETEITEMSTRUCT dls;
if (size < sizeof(ps->dls)) return FALSE;
dls.CtlType = ps->dls.CtlType;
dls.CtlID = ps->dls.CtlID;
dls.itemID = ps->dls.itemID;
dls.hwndItem = wine_server_ptr_handle( ps->dls.hwndItem );
dls.itemData = (ULONG_PTR)unpack_ptr( ps->dls.itemData );
memcpy( &ps->dls, &dls, sizeof(dls) );
break;
}
case WM_COMPAREITEM:
{
COMPAREITEMSTRUCT cis;
if (size < sizeof(ps->cis)) return FALSE;
cis.CtlType = ps->cis.CtlType;
cis.CtlID = ps->cis.CtlID;
cis.hwndItem = wine_server_ptr_handle( ps->cis.hwndItem );
cis.itemID1 = ps->cis.itemID1;
cis.itemData1 = (ULONG_PTR)unpack_ptr( ps->cis.itemData1 );
cis.itemID2 = ps->cis.itemID2;
cis.itemData2 = (ULONG_PTR)unpack_ptr( ps->cis.itemData2 );
cis.dwLocaleId = ps->cis.dwLocaleId;
memcpy( &ps->cis, &cis, sizeof(cis) );
break;
}
case WM_WINDOWPOSCHANGING:
case WM_WINDOWPOSCHANGED:
case WM_WINE_SETWINDOWPOS:
{
WINDOWPOS wp;
if (size < sizeof(ps->wp)) return FALSE;
wp.hwnd = wine_server_ptr_handle( ps->wp.hwnd );
wp.hwndInsertAfter = wine_server_ptr_handle( ps->wp.hwndInsertAfter );
wp.x = ps->wp.x;
wp.y = ps->wp.y;
wp.cx = ps->wp.cx;
wp.cy = ps->wp.cy;
wp.flags = ps->wp.flags;
memcpy( &ps->wp, &wp, sizeof(wp) );
break;
}
case WM_COPYDATA:
{
COPYDATASTRUCT cds;
if (size < sizeof(ps->cds)) return FALSE;
cds.dwData = (ULONG_PTR)unpack_ptr( ps->cds.dwData );
if (ps->cds.lpData)
{
cds.cbData = ps->cds.cbData;
cds.lpData = &ps->cds + 1;
minsize = sizeof(ps->cds) + cds.cbData;
}
else
{
cds.cbData = 0;
cds.lpData = 0;
}
memcpy( &ps->cds, &cds, sizeof(cds) );
break;
}
case WM_NOTIFY:
/* WM_NOTIFY cannot be sent across processes (MSDN) */
return FALSE;
case WM_HELP:
{
HELPINFO hi;
if (size < sizeof(ps->hi)) return FALSE;
hi.cbSize = sizeof(hi);
hi.iContextType = ps->hi.iContextType;
hi.iCtrlId = ps->hi.iCtrlId;
hi.hItemHandle = wine_server_ptr_handle( ps->hi.hItemHandle );
hi.dwContextId = (ULONG_PTR)unpack_ptr( ps->hi.dwContextId );
hi.MousePos = ps->hi.MousePos;
memcpy( &ps->hi, &hi, sizeof(hi) );
break;
}
case WM_STYLECHANGING:
case WM_STYLECHANGED:
minsize = sizeof(STYLESTRUCT);
break;
case WM_NCCALCSIZE:
if (!*wparam) minsize = sizeof(RECT);
else
{
NCCALCSIZE_PARAMS ncp;
WINDOWPOS wp;
if (size < sizeof(ps->ncp)) return FALSE;
ncp.rgrc[0] = ps->ncp.rgrc[0];
ncp.rgrc[1] = ps->ncp.rgrc[1];
ncp.rgrc[2] = ps->ncp.rgrc[2];
wp.hwnd = wine_server_ptr_handle( ps->ncp.hwnd );
wp.hwndInsertAfter = wine_server_ptr_handle( ps->ncp.hwndInsertAfter );
wp.x = ps->ncp.x;
wp.y = ps->ncp.y;
wp.cx = ps->ncp.cx;
wp.cy = ps->ncp.cy;
wp.flags = ps->ncp.flags;
ncp.lppos = (WINDOWPOS *)((NCCALCSIZE_PARAMS *)&ps->ncp + 1);
memcpy( &ps->ncp, &ncp, sizeof(ncp) );
*ncp.lppos = wp;
}
break;
case WM_GETDLGCODE:
if (*lparam)
{
MSG msg;
if (size < sizeof(ps->msg)) return FALSE;
msg.hwnd = wine_server_ptr_handle( ps->msg.hwnd );
msg.message = ps->msg.message;
msg.wParam = (ULONG_PTR)unpack_ptr( ps->msg.wParam );
msg.lParam = (ULONG_PTR)unpack_ptr( ps->msg.lParam );
msg.time = ps->msg.time;
msg.pt = ps->msg.pt;
memcpy( &ps->msg, &msg, sizeof(msg) );
break;
}
return TRUE;
case SBM_SETSCROLLINFO:
minsize = sizeof(SCROLLINFO);
break;
case SBM_GETSCROLLINFO:
if (!get_buffer_space( buffer, sizeof(SCROLLINFO ))) return FALSE;
break;
case SBM_GETSCROLLBARINFO:
if (!get_buffer_space( buffer, sizeof(SCROLLBARINFO ))) return FALSE;
break;
case EM_GETSEL:
case SBM_GETRANGE:
case CB_GETEDITSEL:
if (*wparam || *lparam)
{
if (!get_buffer_space( buffer, 2*sizeof(DWORD) )) return FALSE;
if (*wparam) *wparam = (WPARAM)*buffer;
if (*lparam) *lparam = (LPARAM)((DWORD *)*buffer + 1);
}
return TRUE;
case EM_GETRECT:
case LB_GETITEMRECT:
case CB_GETDROPPEDCONTROLRECT:
if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
break;
case EM_SETRECT:
case EM_SETRECTNP:
minsize = sizeof(RECT);
break;
case EM_GETLINE:
{
WORD len;
if (size < sizeof(WORD)) return FALSE;
len = *(WORD *)*buffer;
if (!get_buffer_space( buffer, (len + 1) * sizeof(WCHAR) )) return FALSE;
*lparam = (LPARAM)*buffer + sizeof(WORD); /* don't erase WORD at start of buffer */
return TRUE;
}
case EM_SETTABSTOPS:
case LB_SETTABSTOPS:
if (!*wparam) return TRUE;
minsize = *wparam * sizeof(UINT);
break;
case CB_ADDSTRING:
case CB_INSERTSTRING:
case CB_FINDSTRING:
case CB_FINDSTRINGEXACT:
case CB_SELECTSTRING:
case LB_ADDSTRING:
case LB_INSERTSTRING:
case LB_FINDSTRING:
case LB_FINDSTRINGEXACT:
case LB_SELECTSTRING:
if (!*buffer) return TRUE;
if (!check_string( *buffer, size )) return FALSE;
break;
case CB_GETLBTEXT:
{
size = sizeof(ULONG_PTR);
if (combobox_has_strings( hwnd ))
size = (SendMessageW( hwnd, CB_GETLBTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
if (!get_buffer_space( buffer, size )) return FALSE;
break;
}
case LB_GETTEXT:
{
size = sizeof(ULONG_PTR);
if (listbox_has_strings( hwnd ))
size = (SendMessageW( hwnd, LB_GETTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
if (!get_buffer_space( buffer, size )) return FALSE;
break;
}
case LB_GETSELITEMS:
if (!get_buffer_space( buffer, *wparam * sizeof(UINT) )) return FALSE;
break;
case WM_NEXTMENU:
{
MDINEXTMENU mnm;
if (size < sizeof(ps->mnm)) return FALSE;
mnm.hmenuIn = wine_server_ptr_handle( ps->mnm.hmenuIn );
mnm.hmenuNext = wine_server_ptr_handle( ps->mnm.hmenuNext );
mnm.hwndNext = wine_server_ptr_handle( ps->mnm.hwndNext );
memcpy( &ps->mnm, &mnm, sizeof(mnm) );
break;
}
case WM_SIZING:
case WM_MOVING:
minsize = sizeof(RECT);
if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
break;
case WM_MDICREATE:
{
MDICREATESTRUCTW mcs;
WCHAR *str = (WCHAR *)(&ps->mcs + 1);
if (size < sizeof(ps->mcs)) return FALSE;
size -= sizeof(ps->mcs);
mcs.szClass = unpack_ptr( ps->mcs.szClass );
mcs.szTitle = unpack_ptr( ps->mcs.szTitle );
mcs.hOwner = unpack_ptr( ps->mcs.hOwner );
mcs.x = ps->mcs.x;
mcs.y = ps->mcs.y;
mcs.cx = ps->mcs.cx;
mcs.cy = ps->mcs.cy;
mcs.style = ps->mcs.style;
mcs.lParam = (LPARAM)unpack_ptr( ps->mcs.lParam );
if (ps->mcs.szClass >> 16)
{
if (!check_string( str, size )) return FALSE;
mcs.szClass = str;
size -= (lstrlenW(str) + 1) * sizeof(WCHAR);
str += lstrlenW(str) + 1;
}
if (ps->mcs.szTitle >> 16)
{
if (!check_string( str, size )) return FALSE;
mcs.szTitle = str;
}
memcpy( &ps->mcs, &mcs, sizeof(mcs) );
break;
}
case WM_MDIGETACTIVE:
if (!*lparam) return TRUE;
if (!get_buffer_space( buffer, sizeof(BOOL) )) return FALSE;
break;
case WM_DEVICECHANGE:
if (!(*wparam & 0x8000)) return TRUE;
minsize = sizeof(DEV_BROADCAST_HDR);
break;
case WM_WINE_KEYBOARD_LL_HOOK:
case WM_WINE_MOUSE_LL_HOOK:
{
struct hook_extra_info h_extra;
minsize = sizeof(ps->hook) +
(message == WM_WINE_KEYBOARD_LL_HOOK ? sizeof(KBDLLHOOKSTRUCT)
: sizeof(MSLLHOOKSTRUCT));
if (size < minsize) return FALSE;
h_extra.handle = wine_server_ptr_handle( ps->hook.handle );
h_extra.lparam = (LPARAM)(&ps->hook + 1);
memcpy( &ps->hook, &h_extra, sizeof(h_extra) );
break;
}
case WM_NCPAINT:
if (*wparam <= 1) return TRUE;
FIXME( "WM_NCPAINT hdc unpacking not supported\n" );
return FALSE;
case WM_PAINT:
if (!*wparam) return TRUE;
/* fall through */
/* these contain an HFONT */
case WM_SETFONT:
case WM_GETFONT:
/* these contain an HDC */
case WM_ERASEBKGND:
case WM_ICONERASEBKGND:
case WM_CTLCOLORMSGBOX:
case WM_CTLCOLOREDIT:
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLORBTN:
case WM_CTLCOLORDLG:
case WM_CTLCOLORSCROLLBAR:
case WM_CTLCOLORSTATIC:
case WM_PRINT:
case WM_PRINTCLIENT:
/* these contain an HGLOBAL */
case WM_PAINTCLIPBOARD:
case WM_SIZECLIPBOARD:
/* these contain HICON */
case WM_GETICON:
case WM_SETICON:
case WM_QUERYDRAGICON:
case WM_QUERYPARKICON:
/* these contain pointers */
case WM_DROPOBJECT:
case WM_QUERYDROPOBJECT:
case WM_DRAGLOOP:
case WM_DRAGSELECT:
case WM_DRAGMOVE:
FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
return FALSE;
default:
return TRUE; /* message doesn't need any unpacking */
}
/* default exit for most messages: check minsize and store buffer in lparam */
if (size < minsize) return FALSE;
*lparam = (LPARAM)*buffer;
return TRUE;
}
/***********************************************************************
* pack_reply
*
* Pack a reply to a message for sending to another process.
*/
static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
LRESULT res, struct packed_message *data )
{
data->count = 0;
switch(message)
{
case WM_NCCREATE:
case WM_CREATE:
{
CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
data->ps.cs.lpCreateParams = (ULONG_PTR)cs->lpCreateParams;
data->ps.cs.hInstance = (ULONG_PTR)cs->hInstance;
data->ps.cs.hMenu = wine_server_user_handle( cs->hMenu );
data->ps.cs.hwndParent = wine_server_user_handle( cs->hwndParent );
data->ps.cs.cy = cs->cy;
data->ps.cs.cx = cs->cx;
data->ps.cs.y = cs->y;
data->ps.cs.x = cs->x;
data->ps.cs.style = cs->style;
data->ps.cs.dwExStyle = cs->dwExStyle;
data->ps.cs.lpszName = (ULONG_PTR)cs->lpszName;
data->ps.cs.lpszClass = (ULONG_PTR)cs->lpszClass;
push_data( data, &data->ps.cs, sizeof(data->ps.cs) );
break;
}
case WM_GETTEXT:
case CB_GETLBTEXT:
case LB_GETTEXT:
push_data( data, (WCHAR *)lparam, (res + 1) * sizeof(WCHAR) );
break;
case WM_GETMINMAXINFO:
push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
break;
case WM_MEASUREITEM:
{
MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
data->ps.mis.CtlType = mis->CtlType;
data->ps.mis.CtlID = mis->CtlID;
data->ps.mis.itemID = mis->itemID;
data->ps.mis.itemWidth = mis->itemWidth;
data->ps.mis.itemHeight = mis->itemHeight;
data->ps.mis.itemData = mis->itemData;
push_data( data, &data->ps.mis, sizeof(data->ps.mis) );
break;
}
case WM_WINDOWPOSCHANGING:
case WM_WINDOWPOSCHANGED:
{
WINDOWPOS *wp = (WINDOWPOS *)lparam;
data->ps.wp.hwnd = wine_server_user_handle( wp->hwnd );
data->ps.wp.hwndInsertAfter = wine_server_user_handle( wp->hwndInsertAfter );
data->ps.wp.x = wp->x;
data->ps.wp.y = wp->y;
data->ps.wp.cx = wp->cx;
data->ps.wp.cy = wp->cy;
data->ps.wp.flags = wp->flags;
push_data( data, &data->ps.wp, sizeof(data->ps.wp) );
break;
}
case WM_GETDLGCODE:
if (lparam)
{
MSG *msg = (MSG *)lparam;
data->ps.msg.hwnd = wine_server_user_handle( msg->hwnd );
data->ps.msg.message = msg->message;
data->ps.msg.wParam = msg->wParam;
data->ps.msg.lParam = msg->lParam;
data->ps.msg.time = msg->time;
data->ps.msg.pt = msg->pt;
push_data( data, &data->ps.msg, sizeof(data->ps.msg) );
}
break;
case SBM_GETSCROLLINFO:
push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
break;
case EM_GETRECT:
case LB_GETITEMRECT:
case CB_GETDROPPEDCONTROLRECT:
case WM_SIZING:
case WM_MOVING:
push_data( data, (RECT *)lparam, sizeof(RECT) );
break;
case EM_GETLINE:
{
WORD *ptr = (WORD *)lparam;
push_data( data, ptr, ptr[-1] * sizeof(WCHAR) );
break;
}
case LB_GETSELITEMS:
push_data( data, (UINT *)lparam, wparam * sizeof(UINT) );
break;
case WM_MDIGETACTIVE:
if (lparam) push_data( data, (BOOL *)lparam, sizeof(BOOL) );
break;
case WM_NCCALCSIZE:
if (!wparam)
push_data( data, (RECT *)lparam, sizeof(RECT) );
else
{
NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
data->ps.ncp.rgrc[0] = ncp->rgrc[0];
data->ps.ncp.rgrc[1] = ncp->rgrc[1];
data->ps.ncp.rgrc[2] = ncp->rgrc[2];
data->ps.ncp.hwnd = wine_server_user_handle( ncp->lppos->hwnd );
data->ps.ncp.hwndInsertAfter = wine_server_user_handle( ncp->lppos->hwndInsertAfter );
data->ps.ncp.x = ncp->lppos->x;
data->ps.ncp.y = ncp->lppos->y;
data->ps.ncp.cx = ncp->lppos->cx;
data->ps.ncp.cy = ncp->lppos->cy;
data->ps.ncp.flags = ncp->lppos->flags;
push_data( data, &data->ps.ncp, sizeof(data->ps.ncp) );
}
break;
case EM_GETSEL:
case SBM_GETRANGE:
case CB_GETEDITSEL:
if (wparam) push_data( data, (DWORD *)wparam, sizeof(DWORD) );
if (lparam) push_data( data, (DWORD *)lparam, sizeof(DWORD) );
break;
case WM_NEXTMENU:
{
MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
data->ps.mnm.hmenuIn = wine_server_user_handle( mnm->hmenuIn );
data->ps.mnm.hmenuNext = wine_server_user_handle( mnm->hmenuNext );
data->ps.mnm.hwndNext = wine_server_user_handle( mnm->hwndNext );
push_data( data, &data->ps.mnm, sizeof(data->ps.mnm) );
break;
}
case WM_MDICREATE:
{
MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
data->ps.mcs.szClass = pack_ptr( mcs->szClass );
data->ps.mcs.szTitle = pack_ptr( mcs->szTitle );
data->ps.mcs.hOwner = pack_ptr( mcs->hOwner );
data->ps.mcs.x = mcs->x;
data->ps.mcs.y = mcs->y;
data->ps.mcs.cx = mcs->cx;
data->ps.mcs.cy = mcs->cy;
data->ps.mcs.style = mcs->style;
data->ps.mcs.lParam = mcs->lParam;
push_data( data, &data->ps.mcs, sizeof(data->ps.mcs) );
break;
}
case WM_ASKCBFORMATNAME:
push_data( data, (WCHAR *)lparam, (lstrlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR) );
break;
}
}
/***********************************************************************
* unpack_reply
*
* Unpack a message reply received from another process.
*/
static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
void *buffer, size_t size )
{
union packed_structs *ps = buffer;
switch(message)
{
case WM_NCCREATE:
case WM_CREATE:
if (size >= sizeof(ps->cs))
{
CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
cs->lpCreateParams = unpack_ptr( ps->cs.lpCreateParams );
cs->hInstance = unpack_ptr( ps->cs.hInstance );
cs->hMenu = wine_server_ptr_handle( ps->cs.hMenu );
cs->hwndParent = wine_server_ptr_handle( ps->cs.hwndParent );
cs->cy = ps->cs.cy;
cs->cx = ps->cs.cx;
cs->y = ps->cs.y;
cs->x = ps->cs.x;
cs->style = ps->cs.style;
cs->dwExStyle = ps->cs.dwExStyle;
/* don't allow changing name and class pointers */
}
break;
case WM_GETTEXT:
case WM_ASKCBFORMATNAME:
memcpy( (WCHAR *)lparam, buffer, min( wparam*sizeof(WCHAR), size ));
break;
case WM_GETMINMAXINFO:
memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size ));
break;
case WM_MEASUREITEM:
if (size >= sizeof(ps->mis))
{
MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
mis->CtlType = ps->mis.CtlType;
mis->CtlID = ps->mis.CtlID;
mis->itemID = ps->mis.itemID;
mis->itemWidth = ps->mis.itemWidth;
mis->itemHeight = ps->mis.itemHeight;
mis->itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData );
}
break;
case WM_WINDOWPOSCHANGING:
case WM_WINDOWPOSCHANGED:
if (size >= sizeof(ps->wp))
{
WINDOWPOS *wp = (WINDOWPOS *)lparam;
wp->hwnd = wine_server_ptr_handle( ps->wp.hwnd );
wp->hwndInsertAfter = wine_server_ptr_handle( ps->wp.hwndInsertAfter );
wp->x = ps->wp.x;
wp->y = ps->wp.y;
wp->cx = ps->wp.cx;
wp->cy = ps->wp.cy;
wp->flags = ps->wp.flags;
}
break;
case WM_GETDLGCODE:
if (lparam && size >= sizeof(ps->msg))
{
MSG *msg = (MSG *)lparam;
msg->hwnd = wine_server_ptr_handle( ps->msg.hwnd );
msg->message = ps->msg.message;
msg->wParam = (ULONG_PTR)unpack_ptr( ps->msg.wParam );
msg->lParam = (ULONG_PTR)unpack_ptr( ps->msg.lParam );
msg->time = ps->msg.time;
msg->pt = ps->msg.pt;
}
break;
case SBM_GETSCROLLINFO:
memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
break;
case SBM_GETSCROLLBARINFO:
memcpy( (SCROLLBARINFO *)lparam, buffer, min( sizeof(SCROLLBARINFO), size ));
break;
case EM_GETRECT:
case CB_GETDROPPEDCONTROLRECT:
case LB_GETITEMRECT:
case WM_SIZING:
case WM_MOVING:
memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
break;
case EM_GETLINE:
size = min( size, (size_t)*(WORD *)lparam );
memcpy( (WCHAR *)lparam, buffer, size );
break;
case LB_GETSELITEMS:
memcpy( (UINT *)lparam, buffer, min( wparam*sizeof(UINT), size ));
break;
case LB_GETTEXT:
case CB_GETLBTEXT:
memcpy( (WCHAR *)lparam, buffer, size );
break;
case WM_NEXTMENU:
if (size >= sizeof(ps->mnm))
{
MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
mnm->hmenuIn = wine_server_ptr_handle( ps->mnm.hmenuIn );
mnm->hmenuNext = wine_server_ptr_handle( ps->mnm.hmenuNext );
mnm->hwndNext = wine_server_ptr_handle( ps->mnm.hwndNext );
}
break;
case WM_MDIGETACTIVE:
if (lparam) memcpy( (BOOL *)lparam, buffer, min( sizeof(BOOL), size ));
break;
case WM_NCCALCSIZE:
if (!wparam)
memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
else if (size >= sizeof(ps->ncp))
{
NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
ncp->rgrc[0] = ps->ncp.rgrc[0];
ncp->rgrc[1] = ps->ncp.rgrc[1];
ncp->rgrc[2] = ps->ncp.rgrc[2];
ncp->lppos->hwnd = wine_server_ptr_handle( ps->ncp.hwnd );
ncp->lppos->hwndInsertAfter = wine_server_ptr_handle( ps->ncp.hwndInsertAfter );
ncp->lppos->x = ps->ncp.x;
ncp->lppos->y = ps->ncp.y;
ncp->lppos->cx = ps->ncp.cx;
ncp->lppos->cy = ps->ncp.cy;
ncp->lppos->flags = ps->ncp.flags;
}
break;
case EM_GETSEL:
case SBM_GETRANGE:
case CB_GETEDITSEL:
if (wparam)
{
memcpy( (DWORD *)wparam, buffer, min( sizeof(DWORD), size ));
if (size <= sizeof(DWORD)) break;
size -= sizeof(DWORD);
buffer = (DWORD *)buffer + 1;
}
if (lparam) memcpy( (DWORD *)lparam, buffer, min( sizeof(DWORD), size ));
break;
case WM_MDICREATE:
if (size >= sizeof(ps->mcs))
{
MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
mcs->hOwner = unpack_ptr( ps->mcs.hOwner );
mcs->x = ps->mcs.x;
mcs->y = ps->mcs.y;
mcs->cx = ps->mcs.cx;
mcs->cy = ps->mcs.cy;
mcs->style = ps->mcs.style;
mcs->lParam = (LPARAM)unpack_ptr( ps->mcs.lParam );
/* don't allow changing class and title pointers */
}
break;
default:
ERR( "should not happen: unexpected message %x\n", message );
break;
}
}
/***********************************************************************
* reply_message
*
* Send a reply to a sent message.
*/
static void reply_message( struct received_message_info *info, LRESULT result, BOOL remove )
{
struct packed_message data;
int i, replied = info->flags & ISMEX_REPLIED;
if (info->flags & ISMEX_NOTIFY) return; /* notify messages don't get replies */
if (!remove && replied) return; /* replied already */
memset( &data, 0, sizeof(data) );
info->flags |= ISMEX_REPLIED;
if (info->type == MSG_OTHER_PROCESS && !replied)
{
pack_reply( info->msg.hwnd, info->msg.message, info->msg.wParam,
info->msg.lParam, result, &data );
}
SERVER_START_REQ( reply_message )
{
req->result = result;
req->remove = remove;
for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
wine_server_call( req );
}
SERVER_END_REQ;
}
/***********************************************************************
* handle_internal_message
*
* Handle an internal Wine message instead of calling the window proc.
*/
LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
MSG m;
m.hwnd = hwnd;
m.message = msg;
m.wParam = wparam;
m.lParam = lparam;
return NtUserCallOneParam( (UINT_PTR)&m, NtUserHandleInternalMessage );
}
/* since the WM_DDE_ACK response to a WM_DDE_EXECUTE message should contain the handle
* to the memory handle, we keep track (in the server side) of all pairs of handle
* used (the client passes its value and the content of the memory handle), and
* the server stored both values (the client, and the local one, created after the
* content). When a ACK message is generated, the list of pair is searched for a
* matching pair, so that the client memory handle can be returned.
*/
struct DDE_pair {
HGLOBAL client_hMem;
HGLOBAL server_hMem;
};
static struct DDE_pair* dde_pairs;
static int dde_num_alloc;
static int dde_num_used;
static CRITICAL_SECTION dde_crst;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &dde_crst,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": dde_crst") }
};
static CRITICAL_SECTION dde_crst = { &critsect_debug, -1, 0, 0, 0, 0 };
static BOOL dde_add_pair(HGLOBAL chm, HGLOBAL shm)
{
int i;
#define GROWBY 4
EnterCriticalSection(&dde_crst);
/* now remember the pair of hMem on both sides */
if (dde_num_used == dde_num_alloc)
{
struct DDE_pair* tmp;
if (dde_pairs)
tmp = HeapReAlloc( GetProcessHeap(), 0, dde_pairs,
(dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
else
tmp = HeapAlloc( GetProcessHeap(), 0,
(dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
if (!tmp)
{
LeaveCriticalSection(&dde_crst);
return FALSE;
}
dde_pairs = tmp;
/* zero out newly allocated part */
memset(&dde_pairs[dde_num_alloc], 0, GROWBY * sizeof(struct DDE_pair));
dde_num_alloc += GROWBY;
}
#undef GROWBY
for (i = 0; i < dde_num_alloc; i++)
{
if (dde_pairs[i].server_hMem == 0)
{
dde_pairs[i].client_hMem = chm;
dde_pairs[i].server_hMem = shm;
dde_num_used++;
break;
}
}
LeaveCriticalSection(&dde_crst);
return TRUE;
}
static HGLOBAL dde_get_pair(HGLOBAL shm)
{
int i;
HGLOBAL ret = 0;
EnterCriticalSection(&dde_crst);
for (i = 0; i < dde_num_alloc; i++)
{
if (dde_pairs[i].server_hMem == shm)
{
/* free this pair */
dde_pairs[i].server_hMem = 0;
dde_num_used--;
ret = dde_pairs[i].client_hMem;
break;
}
}
LeaveCriticalSection(&dde_crst);
return ret;
}
/***********************************************************************
* post_dde_message
*
* Post a DDE message
*/
static BOOL post_dde_message( struct packed_message *data, const struct send_message_info *info )
{
void* ptr = NULL;
int size = 0;
UINT_PTR uiLo, uiHi;
LPARAM lp;
HGLOBAL hunlock = 0;
int i;
DWORD res;
ULONGLONG hpack;
if (!UnpackDDElParam( info->msg, info->lparam, &uiLo, &uiHi ))
return FALSE;
lp = info->lparam;
switch (info->msg)
{
/* DDE messages which don't require packing are:
* WM_DDE_INITIATE
* WM_DDE_TERMINATE
* WM_DDE_REQUEST
* WM_DDE_UNADVISE
*/
case WM_DDE_ACK:
if (HIWORD(uiHi))
{
/* uiHi should contain a hMem from WM_DDE_EXECUTE */
HGLOBAL h = dde_get_pair( (HANDLE)uiHi );
if (h)
{
hpack = pack_ptr( h );
/* send back the value of h on the other side */
push_data( data, &hpack, sizeof(hpack) );
lp = uiLo;
TRACE( "send dde-ack %lx %08lx => %p\n", uiLo, uiHi, h );
}
}
else
{
/* uiHi should contain either an atom or 0 */
TRACE( "send dde-ack %lx atom=%lx\n", uiLo, uiHi );
lp = MAKELONG( uiLo, uiHi );
}
break;
case WM_DDE_ADVISE:
case WM_DDE_DATA:
case WM_DDE_POKE:
size = 0;
if (uiLo)
{
size = GlobalSize( (HGLOBAL)uiLo ) ;
if ((info->msg == WM_DDE_ADVISE && size < sizeof(DDEADVISE)) ||
(info->msg == WM_DDE_DATA && size < FIELD_OFFSET(DDEDATA, Value)) ||
(info->msg == WM_DDE_POKE && size < FIELD_OFFSET(DDEPOKE, Value))
)
return FALSE;
}
else if (info->msg != WM_DDE_DATA) return FALSE;
lp = uiHi;
if (uiLo)
{
if ((ptr = GlobalLock( (HGLOBAL)uiLo) ))
{
DDEDATA *dde_data = ptr;
TRACE("unused %d, fResponse %d, fRelease %d, fDeferUpd %d, fAckReq %d, cfFormat %d\n",
dde_data->unused, dde_data->fResponse, dde_data->fRelease,
dde_data->reserved, dde_data->fAckReq, dde_data->cfFormat);
push_data( data, ptr, size );
hunlock = (HGLOBAL)uiLo;
}
}
TRACE( "send ddepack %u %lx\n", size, uiHi );
break;
case WM_DDE_EXECUTE:
if (info->lparam)
{
if ((ptr = GlobalLock( (HGLOBAL)info->lparam) ))
{
push_data(data, ptr, GlobalSize( (HGLOBAL)info->lparam ));
/* so that the other side can send it back on ACK */
lp = info->lparam;
hunlock = (HGLOBAL)info->lparam;
}
}
break;
}
SERVER_START_REQ( send_message )
{
req->id = info->dest_tid;
req->type = info->type;
req->flags = 0;
req->win = wine_server_user_handle( info->hwnd );
req->msg = info->msg;
req->wparam = info->wparam;
req->lparam = lp;
req->timeout = TIMEOUT_INFINITE;
for (i = 0; i < data->count; i++)
wine_server_add_data( req, data->data[i], data->size[i] );
if ((res = wine_server_call( req )))
{
if (res == STATUS_INVALID_PARAMETER)
/* FIXME: find a STATUS_ value for this one */
SetLastError( ERROR_INVALID_THREAD_ID );
else
SetLastError( RtlNtStatusToDosError(res) );
}
else
FreeDDElParam(info->msg, info->lparam);
}
SERVER_END_REQ;
if (hunlock) GlobalUnlock(hunlock);
return !res;
}
/***********************************************************************
* unpack_dde_message
*
* Unpack a posted DDE message received from another process.
*/
static BOOL unpack_dde_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
void **buffer, size_t size )
{
UINT_PTR uiLo, uiHi;
HGLOBAL hMem = 0;
void* ptr;
switch (message)
{
case WM_DDE_ACK:
if (size)
{
ULONGLONG hpack;
/* hMem is being passed */
if (size != sizeof(hpack)) return FALSE;
if (!buffer || !*buffer) return FALSE;
uiLo = *lparam;
memcpy( &hpack, *buffer, size );
hMem = unpack_ptr( hpack );
uiHi = (UINT_PTR)hMem;
TRACE("recv dde-ack %lx mem=%lx[%lx]\n", uiLo, uiHi, GlobalSize( hMem ));
}
else
{
uiLo = LOWORD( *lparam );
uiHi = HIWORD( *lparam );
TRACE("recv dde-ack %lx atom=%lx\n", uiLo, uiHi);
}
*lparam = PackDDElParam( WM_DDE_ACK, uiLo, uiHi );
break;
case WM_DDE_ADVISE:
case WM_DDE_DATA:
case WM_DDE_POKE:
if ((!buffer || !*buffer) && message != WM_DDE_DATA) return FALSE;
uiHi = *lparam;
if (size)
{
if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size )))
return FALSE;
if ((ptr = GlobalLock( hMem )))
{
memcpy( ptr, *buffer, size );
GlobalUnlock( hMem );
}
else
{
GlobalFree( hMem );
return FALSE;
}
}
uiLo = (UINT_PTR)hMem;
*lparam = PackDDElParam( message, uiLo, uiHi );
break;
case WM_DDE_EXECUTE:
if (size)
{
if (!buffer || !*buffer) return FALSE;
if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size ))) return FALSE;
if ((ptr = GlobalLock( hMem )))
{
memcpy( ptr, *buffer, size );
GlobalUnlock( hMem );
TRACE( "exec: pairing c=%08lx s=%p\n", *lparam, hMem );
if (!dde_add_pair( (HGLOBAL)*lparam, hMem ))
{
GlobalFree( hMem );
return FALSE;
}
}
else
{
GlobalFree( hMem );
return FALSE;
}
} else return FALSE;
*lparam = (LPARAM)hMem;
break;
}
return TRUE;
}
/***********************************************************************
* call_window_proc
*
* Call a window procedure and the corresponding hooks.
*/
static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
BOOL unicode, BOOL same_thread, enum wm_char_mapping mapping )
{
LRESULT result = 0;
CWPSTRUCT cwp;
CWPRETSTRUCT cwpret;
if (msg & 0x80000000)
{
result = handle_internal_message( hwnd, msg, wparam, lparam );
goto done;
}
/* first the WH_CALLWNDPROC hook */
hwnd = WIN_GetFullHandle( hwnd );
cwp.lParam = lparam;
cwp.wParam = wparam;
cwp.message = msg;
cwp.hwnd = hwnd;
HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, unicode );
/* now call the window procedure */
if (!WINPROC_call_window( hwnd, msg, wparam, lparam, &result, unicode, mapping )) goto done;
/* and finally the WH_CALLWNDPROCRET hook */
cwpret.lResult = result;
cwpret.lParam = lparam;
cwpret.wParam = wparam;
cwpret.message = msg;
cwpret.hwnd = hwnd;
HOOK_CallHooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, unicode );
done:
return result;
}
/***********************************************************************
* send_parent_notify
*
* Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
* the window has the WS_EX_NOPARENTNOTIFY style.
*/
static void send_parent_notify( HWND hwnd, WORD event, WORD idChild, POINT pt )
{
/* pt has to be in the client coordinates of the parent window */
MapWindowPoints( 0, hwnd, &pt, 1 );
for (;;)
{
HWND parent;
if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) break;
if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
if (!(parent = GetParent(hwnd))) break;
if (parent == GetDesktopWindow()) break;
MapWindowPoints( hwnd, parent, &pt, 1 );
hwnd = parent;
SendMessageW( hwnd, WM_PARENTNOTIFY,
MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
}
}
/***********************************************************************
* accept_hardware_message
*
* Tell the server we have passed the message to the app
* (even though we may end up dropping it later on)
*/
static void accept_hardware_message( UINT hw_id )
{
SERVER_START_REQ( accept_hardware_message )
{
req->hw_id = hw_id;
if (wine_server_call( req ))
FIXME("Failed to reply to MSG_HARDWARE message. Message may not be removed from queue.\n");
}
SERVER_END_REQ;
}
static BOOL process_rawinput_message( MSG *msg, UINT hw_id, const struct hardware_msg_data *msg_data )
{
struct rawinput_thread_data *thread_data = rawinput_thread_data();
if (msg->message == WM_INPUT_DEVICE_CHANGE)
rawinput_update_device_list();
else
{
thread_data->buffer->header.dwSize = RAWINPUT_BUFFER_SIZE;
if (!rawinput_from_hardware_message( thread_data->buffer, msg_data )) return FALSE;
thread_data->hw_id = hw_id;
msg->lParam = (LPARAM)hw_id;
}
msg->pt = point_phys_to_win_dpi( msg->hwnd, msg->pt );
return TRUE;
}
/***********************************************************************
* process_keyboard_message
*
* returns TRUE if the contents of 'msg' should be passed to the application
*/
static BOOL process_keyboard_message( MSG *msg, UINT hw_id, HWND hwnd_filter,
UINT first, UINT last, BOOL remove )
{
EVENTMSG event;
if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN ||
msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP)
switch (msg->wParam)
{
case VK_LSHIFT: case VK_RSHIFT:
msg->wParam = VK_SHIFT;
break;
case VK_LCONTROL: case VK_RCONTROL:
msg->wParam = VK_CONTROL;
break;
case VK_LMENU: case VK_RMENU:
msg->wParam = VK_MENU;
break;
}
/* FIXME: is this really the right place for this hook? */
event.message = msg->message;
event.hwnd = msg->hwnd;
event.time = msg->time;
event.paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
event.paramH = msg->lParam & 0x7FFF;
if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
/* check message filters */
if (msg->message < first || msg->message > last) return FALSE;
if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
if (remove)
{
if((msg->message == WM_KEYDOWN) &&
(msg->hwnd != GetDesktopWindow()))
{
/* Handle F1 key by sending out WM_HELP message */
if (msg->wParam == VK_F1)
{
PostMessageW( msg->hwnd, WM_KEYF1, 0, 0 );
}
else if(msg->wParam >= VK_BROWSER_BACK &&
msg->wParam <= VK_LAUNCH_APP2)
{
/* FIXME: Process keystate */
SendMessageW(msg->hwnd, WM_APPCOMMAND, (WPARAM)msg->hwnd, MAKELPARAM(0, (FAPPCOMMAND_KEY | (msg->wParam - VK_BROWSER_BACK + 1))));
}
}
else if (msg->message == WM_KEYUP)
{
/* Handle VK_APPS key by posting a WM_CONTEXTMENU message */
if (msg->wParam == VK_APPS && !MENU_IsMenuActive())
PostMessageW(msg->hwnd, WM_CONTEXTMENU, (WPARAM)msg->hwnd, -1);
}
}
if (HOOK_CallHooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
LOWORD(msg->wParam), msg->lParam, TRUE ))
{
/* skip this message */
HOOK_CallHooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, TRUE );
accept_hardware_message( hw_id );
return FALSE;
}
if (remove) accept_hardware_message( hw_id );
msg->pt = point_phys_to_win_dpi( msg->hwnd, msg->pt );
if ( remove && msg->message == WM_KEYDOWN )
if (ImmProcessKey(msg->hwnd, NtUserGetKeyboardLayout(0), msg->wParam, msg->lParam, 0) )
msg->wParam = VK_PROCESSKEY;
return TRUE;
}
/***********************************************************************
* process_mouse_message
*
* returns TRUE if the contents of 'msg' should be passed to the application
*/
static BOOL process_mouse_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
UINT first, UINT last, BOOL remove )
{
static MSG clk_msg;
POINT pt;
UINT message;
INT hittest;
EVENTMSG event;
GUITHREADINFO info;
MOUSEHOOKSTRUCTEX hook;
BOOL eatMsg;
WPARAM wparam;
/* find the window to dispatch this mouse message to */
info.cbSize = sizeof(info);
NtUserGetGUIThreadInfo( GetCurrentThreadId(), &info );
if (info.hwndCapture)
{
hittest = HTCLIENT;
msg->hwnd = info.hwndCapture;
}
else
{
HWND orig = msg->hwnd;
msg->hwnd = WINPOS_WindowFromPoint( msg->hwnd, msg->pt, &hittest );
if (!msg->hwnd) /* As a heuristic, try the next window if it's the owner of orig */
{
HWND next = GetWindow( orig, GW_HWNDNEXT );
if (next && GetWindow( orig, GW_OWNER ) == next && WIN_IsCurrentThread( next ))
msg->hwnd = WINPOS_WindowFromPoint( next, msg->pt, &hittest );
}
}
if (!msg->hwnd || !WIN_IsCurrentThread( msg->hwnd ))
{
accept_hardware_message( hw_id );
return FALSE;
}
msg->pt = point_phys_to_win_dpi( msg->hwnd, msg->pt );
SetThreadDpiAwarenessContext( GetWindowDpiAwarenessContext( msg->hwnd ));
/* FIXME: is this really the right place for this hook? */
event.message = msg->message;
event.time = msg->time;
event.hwnd = msg->hwnd;
event.paramL = msg->pt.x;
event.paramH = msg->pt.y;
HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
pt = msg->pt;
message = msg->message;
wparam = msg->wParam;
/* Note: windows has no concept of a non-client wheel message */
if (message != WM_MOUSEWHEEL)
{
if (hittest != HTCLIENT)
{
message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
wparam = hittest;
}
else
{
/* coordinates don't get translated while tracking a menu */
/* FIXME: should differentiate popups and top-level menus */
if (!(info.flags & GUI_INMENUMODE))
ScreenToClient( msg->hwnd, &pt );
}
}
msg->lParam = MAKELONG( pt.x, pt.y );
/* translate double clicks */
if ((msg->message == WM_LBUTTONDOWN) ||
(msg->message == WM_RBUTTONDOWN) ||
(msg->message == WM_MBUTTONDOWN) ||
(msg->message == WM_XBUTTONDOWN))
{
BOOL update = remove;
/* translate double clicks -
* note that ...MOUSEMOVEs can slip in between
* ...BUTTONDOWN and ...BUTTONDBLCLK messages */
if ((info.flags & (GUI_INMENUMODE|GUI_INMOVESIZE)) ||
hittest != HTCLIENT ||
(GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS))
{
if ((msg->message == clk_msg.message) &&
(msg->hwnd == clk_msg.hwnd) &&
(msg->wParam == clk_msg.wParam) &&
(msg->time - clk_msg.time < NtUserGetDoubleClickTime()) &&
(abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
(abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
{
message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
if (update)
{
clk_msg.message = 0; /* clear the double click conditions */
update = FALSE;
}
}
}
if (message < first || message > last) return FALSE;
/* update static double click conditions */
if (update) clk_msg = *msg;
}
else
{
if (message < first || message > last) return FALSE;
}
msg->wParam = wparam;
/* message is accepted now (but may still get dropped) */
hook.s.pt = msg->pt;
hook.s.hwnd = msg->hwnd;
hook.s.wHitTestCode = hittest;
hook.s.dwExtraInfo = extra_info;
hook.mouseData = msg->wParam;
if (HOOK_CallHooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
message, (LPARAM)&hook, TRUE ))
{
hook.s.pt = msg->pt;
hook.s.hwnd = msg->hwnd;
hook.s.wHitTestCode = hittest;
hook.s.dwExtraInfo = extra_info;
hook.mouseData = msg->wParam;
HOOK_CallHooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, TRUE );
accept_hardware_message( hw_id );
return FALSE;
}
if ((hittest == HTERROR) || (hittest == HTNOWHERE))
{
SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd,
MAKELONG( hittest, msg->message ));
accept_hardware_message( hw_id );
return FALSE;
}
if (remove) accept_hardware_message( hw_id );
if (!remove || info.hwndCapture)
{
msg->message = message;
return TRUE;
}
eatMsg = FALSE;
if ((msg->message == WM_LBUTTONDOWN) ||
(msg->message == WM_RBUTTONDOWN) ||
(msg->message == WM_MBUTTONDOWN) ||
(msg->message == WM_XBUTTONDOWN))
{
/* Send the WM_PARENTNOTIFY,
* note that even for double/nonclient clicks
* notification message is still WM_L/M/RBUTTONDOWN.
*/
send_parent_notify( msg->hwnd, msg->message, 0, msg->pt );
/* Activate the window if needed */
if (msg->hwnd != info.hwndActive)
{
HWND hwndTop = NtUserGetAncestor( msg->hwnd, GA_ROOT );
if ((GetWindowLongW( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD)
{
LONG ret = SendMessageW( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
MAKELONG( hittest, msg->message ) );
switch(ret)
{
case MA_NOACTIVATEANDEAT:
eatMsg = TRUE;
/* fall through */
case MA_NOACTIVATE:
break;
case MA_ACTIVATEANDEAT:
eatMsg = TRUE;
/* fall through */
case MA_ACTIVATE:
case 0:
if (!FOCUS_MouseActivate( hwndTop )) eatMsg = TRUE;
break;
default:
WARN( "unknown WM_MOUSEACTIVATE code %d\n", ret );
break;
}
}
}
}
/* send the WM_SETCURSOR message */
/* Windows sends the normal mouse message as the message parameter
in the WM_SETCURSOR message even if it's non-client mouse message */
SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
msg->message = message;
return !eatMsg;
}
/***********************************************************************
* process_hardware_message
*
* Process a hardware message; return TRUE if message should be passed on to the app
*/
static BOOL process_hardware_message( MSG *msg, UINT hw_id, const struct hardware_msg_data *msg_data,
HWND hwnd_filter, UINT first, UINT last, BOOL remove )
{
DPI_AWARENESS_CONTEXT context;
BOOL ret = FALSE;
get_user_thread_info()->msg_source.deviceType = msg_data->source.device;
get_user_thread_info()->msg_source.originId = msg_data->source.origin;
/* hardware messages are always in physical coords */
context = SetThreadDpiAwarenessContext( DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE );
if (msg->message == WM_INPUT || msg->message == WM_INPUT_DEVICE_CHANGE)
ret = process_rawinput_message( msg, hw_id, msg_data );
else if (is_keyboard_message( msg->message ))
ret = process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );
else if (is_mouse_message( msg->message ))
ret = process_mouse_message( msg, hw_id, msg_data->info, hwnd_filter, first, last, remove );
else
ERR( "unknown message type %x\n", msg->message );
SetThreadDpiAwarenessContext( context );
return ret;
}
/***********************************************************************
* call_sendmsg_callback
*
* Call the callback function of SendMessageCallback.
*/
static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
ULONG_PTR data, LRESULT result )
{
if (!callback) return;
TRACE_(relay)( "\1Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
callback, hwnd, SPY_GetMsgName( msg, hwnd ), data, result );
callback( hwnd, msg, data, result );
TRACE_(relay)( "\1Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
callback, hwnd, SPY_GetMsgName( msg, hwnd ), data, result );
}
/***********************************************************************
* peek_message
*
* Peek for a message matching the given parameters. Return 0 if none are
* available; -1 on error.
* All pending sent messages are processed before returning.
*/
static int peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags, UINT changed_mask )
{
LRESULT result;
struct user_thread_info *thread_info = get_user_thread_info();
INPUT_MESSAGE_SOURCE prev_source = thread_info->msg_source;
struct received_message_info info, *old_info;
unsigned int hw_id = 0; /* id of previous hardware message */
void *buffer;
size_t buffer_size = 1024;
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return -1;
if (!first && !last) last = ~0;
if (hwnd == HWND_BROADCAST) hwnd = HWND_TOPMOST;
for (;;)
{
NTSTATUS res;
size_t size = 0;
const message_data_t *msg_data = buffer;
thread_info->msg_source = prev_source;
SERVER_START_REQ( get_message )
{
req->flags = flags;
req->get_win = wine_server_user_handle( hwnd );
req->get_first = first;
req->get_last = last;
req->hw_id = hw_id;
req->wake_mask = changed_mask & (QS_SENDMESSAGE | QS_SMRESULT);
req->changed_mask = changed_mask;
wine_server_set_reply( req, buffer, buffer_size );
if (!(res = wine_server_call( req )))
{
size = wine_server_reply_size( reply );
info.type = reply->type;
info.msg.hwnd = wine_server_ptr_handle( reply->win );
info.msg.message = reply->msg;
info.msg.wParam = reply->wparam;
info.msg.lParam = reply->lparam;
info.msg.time = reply->time;
info.msg.pt.x = reply->x;
info.msg.pt.y = reply->y;
hw_id = 0;
thread_info->active_hooks = reply->active_hooks;
}
else buffer_size = reply->total;
}
SERVER_END_REQ;
if (res)
{
HeapFree( GetProcessHeap(), 0, buffer );
if (res == STATUS_PENDING)
{
thread_info->wake_mask = changed_mask & (QS_SENDMESSAGE | QS_SMRESULT);
thread_info->changed_mask = changed_mask;
return 0;
}
if (res != STATUS_BUFFER_OVERFLOW)
{
SetLastError( RtlNtStatusToDosError(res) );
return -1;
}
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return -1;
continue;
}
TRACE( "got type %d msg %x (%s) hwnd %p wp %lx lp %lx\n",
info.type, info.msg.message,
(info.type == MSG_WINEVENT) ? "MSG_WINEVENT" : SPY_GetMsgName(info.msg.message, info.msg.hwnd),
info.msg.hwnd, info.msg.wParam, info.msg.lParam );
switch(info.type)
{
case MSG_ASCII:
case MSG_UNICODE:
info.flags = ISMEX_SEND;
break;
case MSG_NOTIFY:
info.flags = ISMEX_NOTIFY;
if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
&info.msg.lParam, &buffer, size ))
continue;
break;
case MSG_CALLBACK:
info.flags = ISMEX_CALLBACK;
break;
case MSG_CALLBACK_RESULT:
if (size >= sizeof(msg_data->callback))
call_sendmsg_callback( wine_server_get_ptr(msg_data->callback.callback),
info.msg.hwnd, info.msg.message,
msg_data->callback.data, msg_data->callback.result );
continue;
case MSG_WINEVENT:
if (size >= sizeof(msg_data->winevent))
{
WINEVENTPROC hook_proc;
HMODULE free_module = 0;
hook_proc = wine_server_get_ptr( msg_data->winevent.hook_proc );
size -= sizeof(msg_data->winevent);
if (size)
{
WCHAR module[MAX_PATH];
size = min( size, (MAX_PATH - 1) * sizeof(WCHAR) );
memcpy( module, &msg_data->winevent + 1, size );
module[size / sizeof(WCHAR)] = 0;
if (!(hook_proc = get_hook_proc( hook_proc, module, &free_module )))
{
ERR( "invalid winevent hook module name %s\n", debugstr_w(module) );
continue;
}
}
TRACE_(relay)( "\1Call winevent proc %p (hook=%04x,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
hook_proc, msg_data->winevent.hook, info.msg.message, info.msg.hwnd,
info.msg.wParam, info.msg.lParam, msg_data->winevent.tid, info.msg.time);
hook_proc( wine_server_ptr_handle( msg_data->winevent.hook ), info.msg.message,
info.msg.hwnd, info.msg.wParam, info.msg.lParam,
msg_data->winevent.tid, info.msg.time );
TRACE_(relay)( "\1Ret winevent proc %p (hook=%04x,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
hook_proc, msg_data->winevent.hook, info.msg.message, info.msg.hwnd,
info.msg.wParam, info.msg.lParam, msg_data->winevent.tid, info.msg.time);
if (free_module) FreeLibrary(free_module);
}
continue;
case MSG_HOOK_LL:
info.flags = ISMEX_SEND;
result = 0;
if (info.msg.message == WH_KEYBOARD_LL && size >= sizeof(msg_data->hardware))
{
KBDLLHOOKSTRUCT hook;
hook.vkCode = LOWORD( info.msg.lParam );
hook.scanCode = HIWORD( info.msg.lParam );
hook.flags = msg_data->hardware.flags;
hook.time = info.msg.time;
hook.dwExtraInfo = msg_data->hardware.info;
TRACE( "calling keyboard LL hook vk %x scan %x flags %x time %u info %lx\n",
hook.vkCode, hook.scanCode, hook.flags, hook.time, hook.dwExtraInfo );
result = HOOK_CallHooks( WH_KEYBOARD_LL, HC_ACTION, info.msg.wParam, (LPARAM)&hook, TRUE );
}
else if (info.msg.message == WH_MOUSE_LL && size >= sizeof(msg_data->hardware))
{
MSLLHOOKSTRUCT hook;
hook.pt = info.msg.pt;
hook.mouseData = info.msg.lParam;
hook.flags = msg_data->hardware.flags;
hook.time = info.msg.time;
hook.dwExtraInfo = msg_data->hardware.info;
TRACE( "calling mouse LL hook pos %d,%d data %x flags %x time %u info %lx\n",
hook.pt.x, hook.pt.y, hook.mouseData, hook.flags, hook.time, hook.dwExtraInfo );
result = HOOK_CallHooks( WH_MOUSE_LL, HC_ACTION, info.msg.wParam, (LPARAM)&hook, TRUE );
}
reply_message( &info, result, TRUE );
continue;
case MSG_OTHER_PROCESS:
info.flags = ISMEX_SEND;
if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
&info.msg.lParam, &buffer, size ))
{
/* ignore it */
reply_message( &info, 0, TRUE );
continue;
}
break;
case MSG_HARDWARE:
if (size >= sizeof(msg_data->hardware))
{
hw_id = msg_data->hardware.hw_id;
if (!process_hardware_message( &info.msg, hw_id, &msg_data->hardware,
hwnd, first, last, flags & PM_REMOVE ))
{
TRACE("dropping msg %x\n", info.msg.message );
continue; /* ignore it */
}
*msg = info.msg;
thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
thread_info->GetMessageTimeVal = info.msg.time;
thread_info->GetMessageExtraInfoVal = msg_data->hardware.info;
HeapFree( GetProcessHeap(), 0, buffer );
HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
return 1;
}
continue;
case MSG_POSTED:
if (info.msg.message & 0x80000000) /* internal message */
{
if (flags & PM_REMOVE)
{
handle_internal_message( info.msg.hwnd, info.msg.message,
info.msg.wParam, info.msg.lParam );
/* if this is a nested call return right away */
if (first == info.msg.message && last == info.msg.message)
{
HeapFree( GetProcessHeap(), 0, buffer );
return 0;
}
}
else
peek_message( msg, info.msg.hwnd, info.msg.message,
info.msg.message, flags | PM_REMOVE, changed_mask );
continue;
}
if (info.msg.message >= WM_DDE_FIRST && info.msg.message <= WM_DDE_LAST)
{
if (!unpack_dde_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
&info.msg.lParam, &buffer, size ))
continue; /* ignore it */
}
*msg = info.msg;
msg->pt = point_phys_to_win_dpi( info.msg.hwnd, info.msg.pt );
thread_info->GetMessagePosVal = MAKELONG( msg->pt.x, msg->pt.y );
thread_info->GetMessageTimeVal = info.msg.time;
thread_info->GetMessageExtraInfoVal = 0;
thread_info->msg_source = msg_source_unavailable;
HeapFree( GetProcessHeap(), 0, buffer );
HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
return 1;
}
/* if we get here, we have a sent message; call the window procedure */
old_info = thread_info->receive_info;
thread_info->receive_info = &info;
thread_info->msg_source = msg_source_unavailable;
result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
info.msg.lParam, (info.type != MSG_ASCII), FALSE,
WMCHAR_MAP_RECVMESSAGE );
reply_message( &info, result, TRUE );
thread_info->receive_info = old_info;
/* if some PM_QS* flags were specified, only handle sent messages from now on */
if (HIWORD(flags) && !changed_mask) flags = PM_QS_SENDMESSAGE | LOWORD(flags);
}
}
/***********************************************************************
* process_sent_messages
*
* Process all pending sent messages.
*/
static inline void process_sent_messages(void)
{
MSG msg;
peek_message( &msg, 0, 0, 0, PM_REMOVE | PM_QS_SENDMESSAGE, 0 );
}
/***********************************************************************
* get_server_queue_handle
*
* Get a handle to the server message queue for the current thread.
*/
static HANDLE get_server_queue_handle(void)
{
struct user_thread_info *thread_info = get_user_thread_info();
HANDLE ret;
if (!(ret = thread_info->server_queue))
{
SERVER_START_REQ( get_msg_queue )
{
wine_server_call( req );
ret = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
thread_info->server_queue = ret;
if (!ret) ERR( "Cannot get server thread queue\n" );
}
return ret;
}
/***********************************************************************
* wait_message_reply
*
* Wait until a sent message gets replied to.
*/
static void wait_message_reply( UINT flags )
{
struct user_thread_info *thread_info = get_user_thread_info();
HANDLE server_queue = get_server_queue_handle();
unsigned int wake_mask = QS_SMRESULT | ((flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE);
for (;;)
{
unsigned int wake_bits = 0;
SERVER_START_REQ( set_queue_mask )
{
req->wake_mask = wake_mask;
req->changed_mask = wake_mask;
req->skip_wait = 1;
if (!wine_server_call( req )) wake_bits = reply->wake_bits & wake_mask;
}
SERVER_END_REQ;
thread_info->wake_mask = thread_info->changed_mask = 0;
if (wake_bits & QS_SMRESULT) return; /* got a result */
if (wake_bits & QS_SENDMESSAGE)
{
/* Process the sent message immediately */
process_sent_messages();
continue;
}
wow_handlers.wait_message( 1, &server_queue, INFINITE, wake_mask, 0 );
}
}
/***********************************************************************
* wait_objects
*
* Wait for multiple objects including the server queue, with specific queue masks.
*/
static DWORD wait_objects( DWORD count, const HANDLE *handles, DWORD timeout,
DWORD wake_mask, DWORD changed_mask, DWORD flags )
{
struct user_thread_info *thread_info = get_user_thread_info();
DWORD ret;
assert( count ); /* we must have at least the server queue */
flush_window_surfaces( TRUE );
if (thread_info->wake_mask != wake_mask || thread_info->changed_mask != changed_mask)
{
SERVER_START_REQ( set_queue_mask )
{
req->wake_mask = wake_mask;
req->changed_mask = changed_mask;
req->skip_wait = 0;
wine_server_call( req );
}
SERVER_END_REQ;
thread_info->wake_mask = wake_mask;
thread_info->changed_mask = changed_mask;
}
ret = wow_handlers.wait_message( count, handles, timeout, changed_mask, flags );
if (ret != WAIT_TIMEOUT) thread_info->wake_mask = thread_info->changed_mask = 0;
return ret;
}
/***********************************************************************
* put_message_in_queue
*
* Put a sent message into the destination queue.
* For inter-process message, reply_size is set to expected size of reply data.
*/
static BOOL put_message_in_queue( const struct send_message_info *info, size_t *reply_size )
{
struct packed_message data;
message_data_t msg_data;
unsigned int res;
int i;
timeout_t timeout = TIMEOUT_INFINITE;
/* Check for INFINITE timeout for compatibility with Win9x,
* although Windows >= NT does not do so
*/
if (info->type != MSG_NOTIFY &&
info->type != MSG_CALLBACK &&
info->type != MSG_POSTED &&
info->timeout &&
info->timeout != INFINITE)
{
/* timeout is signed despite the prototype */
timeout = (timeout_t)max( 0, (int)info->timeout ) * -10000;
}
memset( &data, 0, sizeof(data) );
if (info->type == MSG_OTHER_PROCESS || info->type == MSG_NOTIFY)
{
*reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
if (data.count == -1)
{
WARN( "cannot pack message %x\n", info->msg );
return FALSE;
}
}
else if (info->type == MSG_CALLBACK)
{
msg_data.callback.callback = wine_server_client_ptr( info->callback );
msg_data.callback.data = info->data;
msg_data.callback.result = 0;
data.data[0] = &msg_data;
data.size[0] = sizeof(msg_data.callback);
data.count = 1;
}
else if (info->type == MSG_POSTED && info->msg >= WM_DDE_FIRST && info->msg <= WM_DDE_LAST)
{
return post_dde_message( &data, info );
}
SERVER_START_REQ( send_message )
{
req->id = info->dest_tid;
req->type = info->type;
req->flags = 0;
req->win = wine_server_user_handle( info->hwnd );
req->msg = info->msg;
req->wparam = info->wparam;
req->lparam = info->lparam;
req->timeout = timeout;
if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
if ((res = wine_server_call( req )))
{
if (res == STATUS_INVALID_PARAMETER)
/* FIXME: find a STATUS_ value for this one */
SetLastError( ERROR_INVALID_THREAD_ID );
else
SetLastError( RtlNtStatusToDosError(res) );
}
}
SERVER_END_REQ;
return !res;
}
/***********************************************************************
* retrieve_reply
*
* Retrieve a message reply from the server.
*/
static LRESULT retrieve_reply( const struct send_message_info *info,
size_t reply_size, LRESULT *result )
{
NTSTATUS status;
void *reply_data = NULL;
if (reply_size)
{
if (!(reply_data = HeapAlloc( GetProcessHeap(), 0, reply_size )))
{
WARN( "no memory for reply, will be truncated\n" );
reply_size = 0;
}
}
SERVER_START_REQ( get_message_reply )
{
req->cancel = 1;
if (reply_size) wine_server_set_reply( req, reply_data, reply_size );
if (!(status = wine_server_call( req ))) *result = reply->result;
reply_size = wine_server_reply_size( reply );
}
SERVER_END_REQ;
if (!status && reply_size)
unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam, reply_data, reply_size );
HeapFree( GetProcessHeap(), 0, reply_data );
TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx got reply %lx (err=%d)\n",
info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam,
info->lparam, *result, status );
/* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* send_inter_thread_message
*/
static LRESULT send_inter_thread_message( const struct send_message_info *info, LRESULT *res_ptr )
{
size_t reply_size = 0;
TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam, info->lparam );
USER_CheckNotLock();
if (!put_message_in_queue( info, &reply_size )) return 0;
/* there's no reply to wait for on notify/callback messages */
if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
wait_message_reply( info->flags );
return retrieve_reply( info, reply_size, res_ptr );
}
/***********************************************************************
* send_inter_thread_callback
*/
static LRESULT send_inter_thread_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
LRESULT *result, void *arg )
{
struct send_message_info *info = arg;
info->hwnd = hwnd;
info->msg = msg;
info->wparam = wp;
info->lparam = lp;
return send_inter_thread_message( info, result );
}
static BOOL is_message_broadcastable(UINT msg)
{
return msg < WM_USER || msg >= 0xc000;
}
/***********************************************************************
* send_message
*
* Backend implementation of the various SendMessage functions.
*/
static BOOL send_message( struct send_message_info *info, DWORD_PTR *res_ptr, BOOL unicode )
{
struct user_thread_info *thread_info = get_user_thread_info();
INPUT_MESSAGE_SOURCE prev_source = thread_info->msg_source;
DWORD dest_pid;
BOOL ret;
LRESULT result;
if (is_broadcast(info->hwnd))
{
if (is_message_broadcastable( info->msg ))
EnumWindows( broadcast_message_callback, (LPARAM)info );
if (res_ptr) *res_ptr = 1;
return TRUE;
}
if (!(info->dest_tid = GetWindowThreadProcessId( info->hwnd, &dest_pid ))) return FALSE;
if (USER_IsExitingThread( info->dest_tid )) return FALSE;
thread_info->msg_source = msg_source_unavailable;
SPY_EnterMessage( SPY_SENDMESSAGE, info->hwnd, info->msg, info->wparam, info->lparam );
if (info->dest_tid == GetCurrentThreadId())
{
result = call_window_proc( info->hwnd, info->msg, info->wparam, info->lparam,
unicode, TRUE, info->wm_char );
if (info->type == MSG_CALLBACK)
call_sendmsg_callback( info->callback, info->hwnd, info->msg, info->data, result );
ret = TRUE;
}
else
{
if (dest_pid != GetCurrentProcessId() && (info->type == MSG_ASCII || info->type == MSG_UNICODE))
info->type = MSG_OTHER_PROCESS;
/* MSG_ASCII can be sent unconverted except for WM_CHAR; everything else needs to be Unicode */
if (!unicode && is_unicode_message( info->msg ) &&
(info->type != MSG_ASCII || info->msg == WM_CHAR))
ret = WINPROC_CallProcAtoW( send_inter_thread_callback, info->hwnd, info->msg,
info->wparam, info->lparam, &result, info, info->wm_char );
else
ret = send_inter_thread_message( info, &result );
}
SPY_ExitMessage( SPY_RESULT_OK, info->hwnd, info->msg, result, info->wparam, info->lparam );
thread_info->msg_source = prev_source;
if (ret && res_ptr) *res_ptr = result;
return ret;
}
/***********************************************************************
* send_hardware_message
*/
NTSTATUS send_hardware_message( HWND hwnd, const INPUT *input, const RAWINPUT *rawinput, UINT flags )
{
struct user_key_state_info *key_state_info = get_user_thread_info()->key_state;
struct send_message_info info;
int prev_x, prev_y, new_x, new_y;
INT counter = NtUserCallOneParam( 0, NtUserIncrementKeyStateCounter );
USAGE hid_usage_page, hid_usage;
NTSTATUS ret;
BOOL wait;
info.type = MSG_HARDWARE;
info.dest_tid = 0;
info.hwnd = hwnd;
info.flags = 0;
info.timeout = 0;
if (input->type == INPUT_HARDWARE && rawinput->header.dwType == RIM_TYPEHID)
{
if (input->u.hi.uMsg == WM_INPUT_DEVICE_CHANGE)
{
hid_usage_page = ((USAGE *)rawinput->data.hid.bRawData)[0];
hid_usage = ((USAGE *)rawinput->data.hid.bRawData)[1];
}
if (input->u.hi.uMsg == WM_INPUT)
{
if (!rawinput_device_get_usages( rawinput->header.hDevice, &hid_usage_page, &hid_usage ))
{
WARN( "unable to get HID usages for device %p\n", rawinput->header.hDevice );
return STATUS_INVALID_HANDLE;
}
}
}
SERVER_START_REQ( send_hardware_message )
{
req->win = wine_server_user_handle( hwnd );
req->flags = flags;
req->input.type = input->type;
switch (input->type)
{
case INPUT_MOUSE:
req->input.mouse.x = input->u.mi.dx;
req->input.mouse.y = input->u.mi.dy;
req->input.mouse.data = input->u.mi.mouseData;
req->input.mouse.flags = input->u.mi.dwFlags;
req->input.mouse.time = input->u.mi.time;
req->input.mouse.info = input->u.mi.dwExtraInfo;
break;
case INPUT_KEYBOARD:
req->input.kbd.vkey = input->u.ki.wVk;
req->input.kbd.scan = input->u.ki.wScan;
req->input.kbd.flags = input->u.ki.dwFlags;
req->input.kbd.time = input->u.ki.time;
req->input.kbd.info = input->u.ki.dwExtraInfo;
break;
case INPUT_HARDWARE:
req->input.hw.msg = input->u.hi.uMsg;
req->input.hw.lparam = MAKELONG( input->u.hi.wParamL, input->u.hi.wParamH );
switch (input->u.hi.uMsg)
{
case WM_INPUT:
case WM_INPUT_DEVICE_CHANGE:
req->input.hw.rawinput.type = rawinput->header.dwType;
switch (rawinput->header.dwType)
{
case RIM_TYPEHID:
req->input.hw.rawinput.hid.device = HandleToUlong( rawinput->header.hDevice );
req->input.hw.rawinput.hid.param = rawinput->header.wParam;
req->input.hw.rawinput.hid.usage_page = hid_usage_page;
req->input.hw.rawinput.hid.usage = hid_usage;
req->input.hw.rawinput.hid.count = rawinput->data.hid.dwCount;
req->input.hw.rawinput.hid.length = rawinput->data.hid.dwSizeHid;
wine_server_add_data( req, rawinput->data.hid.bRawData,
rawinput->data.hid.dwCount * rawinput->data.hid.dwSizeHid );
break;
default:
assert( 0 );
break;
}
}
break;
}
if (key_state_info) wine_server_set_reply( req, key_state_info->state,
sizeof(key_state_info->state) );
ret = wine_server_call( req );
wait = reply->wait;
prev_x = reply->prev_x;
prev_y = reply->prev_y;
new_x = reply->new_x;
new_y = reply->new_y;
}
SERVER_END_REQ;
if (!ret)
{
if (key_state_info)
{
key_state_info->time = GetTickCount();
key_state_info->counter = counter;
}
if ((flags & SEND_HWMSG_INJECTED) && (prev_x != new_x || prev_y != new_y))
USER_Driver->pSetCursorPos( new_x, new_y );
}
if (wait)
{
LRESULT ignored;
wait_message_reply( 0 );
retrieve_reply( &info, 0, &ignored );
}
return ret;
}
/***********************************************************************
* MSG_SendInternalMessageTimeout
*
* Same as SendMessageTimeoutW but sends the message to a specific thread
* without requiring a window handle. Only works for internal Wine messages.
*/
LRESULT WINAPI MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
UINT msg, WPARAM wparam, LPARAM lparam,
UINT flags, UINT timeout, PDWORD_PTR res_ptr )
{
struct send_message_info info;
LRESULT ret, result;
assert( msg & 0x80000000 ); /* must be an internal Wine message */
info.type = MSG_UNICODE;
info.dest_tid = dest_tid;
info.hwnd = 0;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = flags;
info.timeout = timeout;
if (USER_IsExitingThread( dest_tid )) return 0;
if (dest_tid == GetCurrentThreadId())
{
result = handle_internal_message( 0, msg, wparam, lparam );
ret = 1;
}
else
{
if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
ret = send_inter_thread_message( &info, &result );
}
if (ret && res_ptr) *res_ptr = result;
return ret;
}
/***********************************************************************
* SendMessageTimeoutW (USER32.@)
*/
LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
UINT flags, UINT timeout, PDWORD_PTR res_ptr )
{
struct send_message_info info;
info.type = MSG_UNICODE;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = flags;
info.timeout = timeout;
return send_message( &info, res_ptr, TRUE );
}
/***********************************************************************
* SendMessageTimeoutA (USER32.@)
*/
LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
UINT flags, UINT timeout, PDWORD_PTR res_ptr )
{
struct send_message_info info;
info.type = MSG_ASCII;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = flags;
info.timeout = timeout;
info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
return send_message( &info, res_ptr, FALSE );
}
/***********************************************************************
* SendMessageW (USER32.@)
*/
LRESULT WINAPI SendMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
DWORD_PTR res = 0;
struct send_message_info info;
info.type = MSG_UNICODE;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = SMTO_NORMAL;
info.timeout = 0;
send_message( &info, &res, TRUE );
return res;
}
/***********************************************************************
* SendMessageA (USER32.@)
*/
LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
DWORD_PTR res = 0;
struct send_message_info info;
info.type = MSG_ASCII;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = SMTO_NORMAL;
info.timeout = 0;
info.wm_char = WMCHAR_MAP_SENDMESSAGE;
send_message( &info, &res, FALSE );
return res;
}
/***********************************************************************
* SendNotifyMessageA (USER32.@)
*/
BOOL WINAPI SendNotifyMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
struct send_message_info info;
if (is_pointer_message( msg, wparam ))
{
SetLastError( ERROR_MESSAGE_SYNC_ONLY );
return FALSE;
}
info.type = MSG_NOTIFY;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = 0;
info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
return send_message( &info, NULL, FALSE );
}
/***********************************************************************
* SendNotifyMessageW (USER32.@)
*/
BOOL WINAPI SendNotifyMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
struct send_message_info info;
if (is_pointer_message( msg, wparam ))
{
SetLastError( ERROR_MESSAGE_SYNC_ONLY );
return FALSE;
}
info.type = MSG_NOTIFY;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = 0;
return send_message( &info, NULL, TRUE );
}
/***********************************************************************
* SendMessageCallbackA (USER32.@)
*/
BOOL WINAPI SendMessageCallbackA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
SENDASYNCPROC callback, ULONG_PTR data )
{
struct send_message_info info;
if (is_pointer_message( msg, wparam ))
{
SetLastError( ERROR_MESSAGE_SYNC_ONLY );
return FALSE;
}
info.type = MSG_CALLBACK;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.callback = callback;
info.data = data;
info.flags = 0;
info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
return send_message( &info, NULL, FALSE );
}
/***********************************************************************
* SendMessageCallbackW (USER32.@)
*/
BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
SENDASYNCPROC callback, ULONG_PTR data )
{
struct send_message_info info;
if (is_pointer_message( msg, wparam ))
{
SetLastError( ERROR_MESSAGE_SYNC_ONLY );
return FALSE;
}
info.type = MSG_CALLBACK;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.callback = callback;
info.data = data;
info.flags = 0;
return send_message( &info, NULL, TRUE );
}
/***********************************************************************
* ReplyMessage (USER32.@)
*/
BOOL WINAPI ReplyMessage( LRESULT result )
{
struct received_message_info *info = get_user_thread_info()->receive_info;
if (!info) return FALSE;
reply_message( info, result, FALSE );
return TRUE;
}
/***********************************************************************
* InSendMessage (USER32.@)
*/
BOOL WINAPI InSendMessage(void)
{
return (InSendMessageEx( NULL ) & (ISMEX_SEND | ISMEX_NOTIFY | ISMEX_CALLBACK)) != 0;
}
/***********************************************************************
* InSendMessageEx (USER32.@)
*/
DWORD WINAPI InSendMessageEx( LPVOID reserved )
{
struct received_message_info *info = get_user_thread_info()->receive_info;
if (info) return info->flags;
return ISMEX_NOSEND;
}
/***********************************************************************
* PostMessageA (USER32.@)
*/
BOOL WINAPI PostMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
if (!map_wparam_AtoW( msg, &wparam, WMCHAR_MAP_POSTMESSAGE )) return TRUE;
return PostMessageW( hwnd, msg, wparam, lparam );
}
/***********************************************************************
* PostMessageW (USER32.@)
*/
BOOL WINAPI PostMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
struct send_message_info info;
if (is_pointer_message( msg, wparam ))
{
SetLastError( ERROR_MESSAGE_SYNC_ONLY );
return FALSE;
}
TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
hwnd, msg, SPY_GetMsgName(msg, hwnd), wparam, lparam );
info.type = MSG_POSTED;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = 0;
if (is_broadcast(hwnd))
{
if (is_message_broadcastable( info.msg ))
EnumWindows( broadcast_message_callback, (LPARAM)&info );
return TRUE;
}
if (!hwnd) return PostThreadMessageW( GetCurrentThreadId(), msg, wparam, lparam );
if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
if (USER_IsExitingThread( info.dest_tid )) return TRUE;
return put_message_in_queue( &info, NULL );
}
/**********************************************************************
* PostThreadMessageA (USER32.@)
*/
BOOL WINAPI PostThreadMessageA( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
{
if (!map_wparam_AtoW( msg, &wparam, WMCHAR_MAP_POSTMESSAGE )) return TRUE;
return PostThreadMessageW( thread, msg, wparam, lparam );
}
/**********************************************************************
* PostThreadMessageW (USER32.@)
*/
BOOL WINAPI PostThreadMessageW( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
{
struct send_message_info info;
if (is_pointer_message( msg, wparam ))
{
SetLastError( ERROR_MESSAGE_SYNC_ONLY );
return FALSE;
}
if (USER_IsExitingThread( thread )) return TRUE;
info.type = MSG_POSTED;
info.dest_tid = thread;
info.hwnd = 0;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = 0;
return put_message_in_queue( &info, NULL );
}
/***********************************************************************
* PostQuitMessage (USER32.@)
*
* Posts a quit message to the current thread's message queue.
*
* PARAMS
* exit_code [I] Exit code to return from message loop.
*
* RETURNS
* Nothing.
*
* NOTES
* This function is not the same as calling:
*|PostThreadMessage(GetCurrentThreadId(), WM_QUIT, exit_code, 0);
* It instead sets a flag in the message queue that signals it to generate
* a WM_QUIT message when there are no other pending sent or posted messages
* in the queue.
*/
void WINAPI PostQuitMessage( INT exit_code )
{
SERVER_START_REQ( post_quit_message )
{
req->exit_code = exit_code;
wine_server_call( req );
}
SERVER_END_REQ;
}
/* check for driver events if we detect that the app is not properly consuming messages */
static inline void check_for_driver_events( UINT msg )
{
if (get_user_thread_info()->message_count > 200)
{
flush_window_surfaces( FALSE );
USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
}
else if (msg == WM_TIMER || msg == WM_SYSTIMER)
{
/* driver events should have priority over timers, so make sure we'll check for them soon */
get_user_thread_info()->message_count += 100;
}
else get_user_thread_info()->message_count++;
}
/***********************************************************************
* PeekMessageW (USER32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
{
MSG msg;
int ret;
USER_CheckNotLock();
check_for_driver_events( 0 );
ret = peek_message( &msg, hwnd, first, last, flags, 0 );
if (ret < 0) return FALSE;
if (!ret)
{
flush_window_surfaces( TRUE );
ret = wow_handlers.wait_message( 0, NULL, 0, QS_ALLINPUT, 0 );
/* if we received driver events, check again for a pending message */
if (ret == WAIT_TIMEOUT || peek_message( &msg, hwnd, first, last, flags, 0 ) <= 0) return FALSE;
}
check_for_driver_events( msg.message );
/* copy back our internal safe copy of message data to msg_out.
* msg_out is a variable from the *program*, so it can't be used
* internally as it can get "corrupted" by our use of SendMessage()
* (back to the program) inside the message handling itself. */
if (!msg_out)
{
SetLastError( ERROR_NOACCESS );
return FALSE;
}
*msg_out = msg;
return TRUE;
}
/***********************************************************************
* PeekMessageA (USER32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH PeekMessageA( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
{
if (get_pending_wmchar( msg, first, last, (flags & PM_REMOVE) )) return TRUE;
if (!PeekMessageW( msg, hwnd, first, last, flags )) return FALSE;
map_wparam_WtoA( msg, (flags & PM_REMOVE) );
return TRUE;
}
/***********************************************************************
* GetMessageW (USER32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetMessageW( MSG *msg, HWND hwnd, UINT first, UINT last )
{
HANDLE server_queue = get_server_queue_handle();
unsigned int mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
int ret;
USER_CheckNotLock();
check_for_driver_events( 0 );
if (first || last)
{
if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
}
else mask = QS_ALLINPUT;
while (!(ret = peek_message( msg, hwnd, first, last, PM_REMOVE | (mask << 16), mask )))
{
wait_objects( 1, &server_queue, INFINITE, mask & (QS_SENDMESSAGE | QS_SMRESULT), mask, 0 );
}
if (ret < 0) return -1;
check_for_driver_events( msg->message );
return (msg->message != WM_QUIT);
}
/***********************************************************************
* GetMessageA (USER32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetMessageA( MSG *msg, HWND hwnd, UINT first, UINT last )
{
if (get_pending_wmchar( msg, first, last, TRUE )) return TRUE;
if (GetMessageW( msg, hwnd, first, last ) < 0) return -1;
map_wparam_WtoA( msg, TRUE );
return (msg->message != WM_QUIT);
}
/***********************************************************************
* IsDialogMessageA (USER32.@)
* IsDialogMessage (USER32.@)
*/
BOOL WINAPI IsDialogMessageA( HWND hwndDlg, LPMSG pmsg )
{
MSG msg = *pmsg;
map_wparam_AtoW( msg.message, &msg.wParam, WMCHAR_MAP_NOMAPPING );
return IsDialogMessageW( hwndDlg, &msg );
}
/***********************************************************************
* TranslateMessage (USER32.@)
*
* Implementation of TranslateMessage.
*
* TranslateMessage translates virtual-key messages into character-messages,
* as follows :
* WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
* ditto replacing WM_* with WM_SYS*
* This produces WM_CHAR messages only for keys mapped to ASCII characters
* by the keyboard driver.
*
* If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the
* return value is nonzero, regardless of the translation.
*
*/
BOOL WINAPI TranslateMessage( const MSG *msg )
{
UINT message;
WCHAR wp[8];
BYTE state[256];
INT len;
if (msg->message < WM_KEYFIRST || msg->message > WM_KEYLAST) return FALSE;
if (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) return TRUE;
TRACE_(key)("Translating key %s (%04lX), scancode %04x\n",
SPY_GetVKeyName(msg->wParam), msg->wParam, HIWORD(msg->lParam));
switch (msg->wParam)
{
case VK_PACKET:
message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
TRACE_(key)("PostMessageW(%p,%s,%04x,%08x)\n",
msg->hwnd, SPY_GetMsgName(message, msg->hwnd), HIWORD(msg->lParam), LOWORD(msg->lParam));
PostMessageW( msg->hwnd, message, HIWORD(msg->lParam), LOWORD(msg->lParam));
return TRUE;
case VK_PROCESSKEY:
return ImmTranslateMessage(msg->hwnd, msg->message, msg->wParam, msg->lParam);
}
NtUserGetKeyboardState( state );
len = ToUnicode(msg->wParam, HIWORD(msg->lParam), state, wp, ARRAY_SIZE(wp), 0);
if (len == -1)
{
message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
TRACE_(key)("-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
}
else if (len > 0)
{
INT i;
message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
TRACE_(key)("%d -> PostMessageW(%p,%s,<x>,%08lx) for <x> in %s\n", len, msg->hwnd,
SPY_GetMsgName(message, msg->hwnd), msg->lParam, debugstr_wn(wp, len));
for (i = 0; i < len; i++)
PostMessageW( msg->hwnd, message, wp[i], msg->lParam );
}
return TRUE;
}
/***********************************************************************
* DispatchMessageA (USER32.@)
*
* See DispatchMessageW.
*/
LRESULT WINAPI DECLSPEC_HOTPATCH DispatchMessageA( const MSG* msg )
{
LRESULT retval;
/* Process timer messages */
if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
{
if (msg->lParam)
{
__TRY
{
retval = CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
msg->message, msg->wParam, GetTickCount() );
}
__EXCEPT_ALL
{
retval = 0;
}
__ENDTRY
return retval;
}
}
if (!msg->hwnd) return 0;
SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
msg->wParam, msg->lParam );
if (!WINPROC_call_window( msg->hwnd, msg->message, msg->wParam, msg->lParam,
&retval, FALSE, WMCHAR_MAP_DISPATCHMESSAGE ))
{
if (!IsWindow( msg->hwnd )) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
else SetLastError( ERROR_MESSAGE_SYNC_ONLY );
retval = 0;
}
SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
msg->wParam, msg->lParam );
if (msg->message == WM_PAINT)
{
/* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
NtUserGetUpdateRgn( msg->hwnd, hrgn, TRUE );
DeleteObject( hrgn );
}
return retval;
}
/***********************************************************************
* DispatchMessageW (USER32.@) Process a message
*
* Process the message specified in the structure *_msg_.
*
* If the lpMsg parameter points to a WM_TIMER message and the
* parameter of the WM_TIMER message is not NULL, the lParam parameter
* points to the function that is called instead of the window
* procedure. The function stored in lParam (timer callback) is protected
* from causing page-faults.
*
* The message must be valid.
*
* RETURNS
*
* DispatchMessage() returns the result of the window procedure invoked.
*
* CONFORMANCE
*
* ECMA-234, Win32
*
*/
LRESULT WINAPI DECLSPEC_HOTPATCH DispatchMessageW( const MSG* msg )
{
LRESULT retval;
/* Process timer messages */
if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
{
if (msg->lParam)
{
__TRY
{
retval = CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
msg->message, msg->wParam, GetTickCount() );
}
__EXCEPT_ALL
{
retval = 0;
}
__ENDTRY
return retval;
}
}
if (!msg->hwnd) return 0;
SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
msg->wParam, msg->lParam );
if (!WINPROC_call_window( msg->hwnd, msg->message, msg->wParam, msg->lParam,
&retval, TRUE, WMCHAR_MAP_DISPATCHMESSAGE ))
{
if (!IsWindow( msg->hwnd )) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
else SetLastError( ERROR_MESSAGE_SYNC_ONLY );
retval = 0;
}
SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
msg->wParam, msg->lParam );
if (msg->message == WM_PAINT)
{
/* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
NtUserGetUpdateRgn( msg->hwnd, hrgn, TRUE );
DeleteObject( hrgn );
}
return retval;
}
/***********************************************************************
* GetMessagePos (USER.119)
* GetMessagePos (USER32.@)
*
* The GetMessagePos() function returns a long value representing a
* cursor position, in screen coordinates, when the last message
* retrieved by the GetMessage() function occurs. The x-coordinate is
* in the low-order word of the return value, the y-coordinate is in
* the high-order word. The application can use the MAKEPOINT()
* macro to obtain a POINT structure from the return value.
*
* For the current cursor position, use GetCursorPos().
*
* RETURNS
*
* Cursor position of last message on success, zero on failure.
*
* CONFORMANCE
*
* ECMA-234, Win32
*
*/
DWORD WINAPI GetMessagePos(void)
{
return get_user_thread_info()->GetMessagePosVal;
}
/***********************************************************************
* GetMessageTime (USER.120)
* GetMessageTime (USER32.@)
*
* GetMessageTime() returns the message time for the last message
* retrieved by the function. The time is measured in milliseconds with
* the same offset as GetTickCount().
*
* Since the tick count wraps, this is only useful for moderately short
* relative time comparisons.
*
* RETURNS
*
* Time of last message on success, zero on failure.
*/
LONG WINAPI GetMessageTime(void)
{
return get_user_thread_info()->GetMessageTimeVal;
}
/***********************************************************************
* GetMessageExtraInfo (USER.288)
* GetMessageExtraInfo (USER32.@)
*/
LPARAM WINAPI GetMessageExtraInfo(void)
{
return get_user_thread_info()->GetMessageExtraInfoVal;
}
/***********************************************************************
* SetMessageExtraInfo (USER32.@)
*/
LPARAM WINAPI SetMessageExtraInfo(LPARAM lParam)
{
struct user_thread_info *thread_info = get_user_thread_info();
LONG old_value = thread_info->GetMessageExtraInfoVal;
thread_info->GetMessageExtraInfoVal = lParam;
return old_value;
}
/***********************************************************************
* GetCurrentInputMessageSource (USER32.@)
*/
BOOL WINAPI GetCurrentInputMessageSource( INPUT_MESSAGE_SOURCE *source )
{
*source = get_user_thread_info()->msg_source;
return TRUE;
}
/***********************************************************************
* WaitMessage (USER.112) Suspend thread pending messages
* WaitMessage (USER32.@) Suspend thread pending messages
*
* WaitMessage() suspends a thread until events appear in the thread's
* queue.
*/
BOOL WINAPI WaitMessage(void)
{
return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
}
/***********************************************************************
* MsgWaitForMultipleObjectsEx (USER32.@)
*/
DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *pHandles,
DWORD timeout, DWORD mask, DWORD flags )
{
HANDLE handles[MAXIMUM_WAIT_OBJECTS];
DWORD i;
if (count > MAXIMUM_WAIT_OBJECTS-1)
{
SetLastError( ERROR_INVALID_PARAMETER );
return WAIT_FAILED;
}
/* add the queue to the handle list */
for (i = 0; i < count; i++) handles[i] = pHandles[i];
handles[count] = get_server_queue_handle();
return wait_objects( count+1, handles, timeout,
(flags & MWMO_INPUTAVAILABLE) ? mask : 0, mask, flags );
}
/***********************************************************************
* MsgWaitForMultipleObjects (USER32.@)
*/
DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, const HANDLE *handles,
BOOL wait_all, DWORD timeout, DWORD mask )
{
return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
wait_all ? MWMO_WAITALL : 0 );
}
/***********************************************************************
* WaitForInputIdle (USER32.@)
*/
DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
{
DWORD start_time, elapsed, ret;
HANDLE handles[2];
handles[0] = hProcess;
SERVER_START_REQ( get_process_idle_event )
{
req->handle = wine_server_obj_handle( hProcess );
wine_server_call_err( req );
handles[1] = wine_server_ptr_handle( reply->event );
}
SERVER_END_REQ;
if (!handles[1]) return WAIT_FAILED; /* no event to wait on */
start_time = GetTickCount();
elapsed = 0;
TRACE("waiting for %p\n", handles[1] );
do
{
ret = MsgWaitForMultipleObjects ( 2, handles, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE );
switch (ret)
{
case WAIT_OBJECT_0:
return 0;
case WAIT_OBJECT_0+2:
process_sent_messages();
break;
case WAIT_TIMEOUT:
case WAIT_FAILED:
TRACE("timeout or error\n");
return ret;
default:
TRACE("finished\n");
return 0;
}
if (dwTimeOut != INFINITE)
{
elapsed = GetTickCount() - start_time;
if (elapsed > dwTimeOut)
break;
}
}
while (1);
return WAIT_TIMEOUT;
}
/***********************************************************************
* RegisterWindowMessageA (USER32.@)
* RegisterWindowMessage (USER.118)
*/
UINT WINAPI RegisterWindowMessageA( LPCSTR str )
{
UINT ret = GlobalAddAtomA(str);
TRACE("%s, ret=%x\n", str, ret);
return ret;
}
/***********************************************************************
* RegisterWindowMessageW (USER32.@)
*/
UINT WINAPI RegisterWindowMessageW( LPCWSTR str )
{
UINT ret = GlobalAddAtomW(str);
TRACE("%s ret=%x\n", debugstr_w(str), ret);
return ret;
}
typedef struct BroadcastParm
{
DWORD flags;
LPDWORD recipients;
UINT msg;
WPARAM wp;
LPARAM lp;
BOOL success;
HWINSTA winsta;
} BroadcastParm;
static BOOL CALLBACK bcast_childwindow( HWND hw, LPARAM lp )
{
BroadcastParm *parm = (BroadcastParm*)lp;
DWORD_PTR retval = 0;
LRESULT lresult;
if (parm->flags & BSF_IGNORECURRENTTASK && WIN_IsCurrentProcess(hw))
{
TRACE("Not telling myself %p\n", hw);
return TRUE;
}
/* I don't know 100% for sure if this is what Windows does, but it fits the tests */
if (parm->flags & BSF_QUERY)
{
TRACE("Telling window %p using SendMessageTimeout\n", hw);
/* Not tested for conflicting flags */
if (parm->flags & BSF_FORCEIFHUNG || parm->flags & BSF_NOHANG)
lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_ABORTIFHUNG, 2000, &retval );
else if (parm->flags & BSF_NOTIMEOUTIFNOTHUNG)
lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_NOTIMEOUTIFNOTHUNG, 2000, &retval );
else
lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_NORMAL, 2000, &retval );
if (!lresult && GetLastError() == ERROR_TIMEOUT)
{
WARN("Timed out!\n");
if (!(parm->flags & BSF_FORCEIFHUNG))
goto fail;
}
if (retval == BROADCAST_QUERY_DENY)
goto fail;
return TRUE;
fail:
parm->success = FALSE;
return FALSE;
}
else if (parm->flags & BSF_POSTMESSAGE)
{
TRACE("Telling window %p using PostMessage\n", hw);
PostMessageW( hw, parm->msg, parm->wp, parm->lp );
}
else
{
TRACE("Telling window %p using SendNotifyMessage\n", hw);
SendNotifyMessageW( hw, parm->msg, parm->wp, parm->lp );
}
return TRUE;
}
static BOOL CALLBACK bcast_desktop( LPWSTR desktop, LPARAM lp )
{
BOOL ret;
HDESK hdesktop;
BroadcastParm *parm = (BroadcastParm*)lp;
TRACE("desktop: %s\n", debugstr_w( desktop ));
hdesktop = open_winstation_desktop( parm->winsta, desktop, 0, FALSE, DESKTOP_ENUMERATE|DESKTOP_WRITEOBJECTS|STANDARD_RIGHTS_WRITE );
if (!hdesktop)
{
FIXME("Could not open desktop %s\n", debugstr_w(desktop));
return TRUE;
}
ret = EnumDesktopWindows( hdesktop, bcast_childwindow, lp );
NtUserCloseDesktop( hdesktop );
TRACE("-->%d\n", ret);
return parm->success;
}
static BOOL CALLBACK bcast_winsta( LPWSTR winsta, LPARAM lp )
{
BOOL ret;
HWINSTA hwinsta = OpenWindowStationW( winsta, FALSE, WINSTA_ENUMDESKTOPS );
TRACE("hwinsta: %p/%s/%08x\n", hwinsta, debugstr_w( winsta ), GetLastError());
if (!hwinsta)
return TRUE;
((BroadcastParm *)lp)->winsta = hwinsta;
ret = EnumDesktopsW( hwinsta, bcast_desktop, lp );
NtUserCloseWindowStation( hwinsta );
TRACE("-->%d\n", ret);
return ret;
}
/***********************************************************************
* BroadcastSystemMessageA (USER32.@)
* BroadcastSystemMessage (USER32.@)
*/
LONG WINAPI BroadcastSystemMessageA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
{
return BroadcastSystemMessageExA( flags, recipients, msg, wp, lp, NULL );
}
/***********************************************************************
* BroadcastSystemMessageW (USER32.@)
*/
LONG WINAPI BroadcastSystemMessageW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
{
return BroadcastSystemMessageExW( flags, recipients, msg, wp, lp, NULL );
}
/***********************************************************************
* BroadcastSystemMessageExA (USER32.@)
*/
LONG WINAPI BroadcastSystemMessageExA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp, PBSMINFO pinfo )
{
map_wparam_AtoW( msg, &wp, WMCHAR_MAP_NOMAPPING );
return BroadcastSystemMessageExW( flags, recipients, msg, wp, lp, NULL );
}
/***********************************************************************
* BroadcastSystemMessageExW (USER32.@)
*/
LONG WINAPI BroadcastSystemMessageExW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp, PBSMINFO pinfo )
{
BroadcastParm parm;
DWORD recips = BSM_ALLCOMPONENTS;
BOOL ret = TRUE;
static const DWORD all_flags = ( BSF_QUERY | BSF_IGNORECURRENTTASK | BSF_FLUSHDISK | BSF_NOHANG
| BSF_POSTMESSAGE | BSF_FORCEIFHUNG | BSF_NOTIMEOUTIFNOTHUNG
| BSF_ALLOWSFW | BSF_SENDNOTIFYMESSAGE | BSF_RETURNHDESK | BSF_LUID );
TRACE("Flags: %08x, recipients: %p(0x%x), msg: %04x, wparam: %08lx, lparam: %08lx\n", flags, recipients,
(recipients ? *recipients : recips), msg, wp, lp);
if (flags & ~all_flags)
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if (!recipients)
recipients = &recips;
if ( pinfo && flags & BSF_QUERY )
FIXME("Not returning PBSMINFO information yet\n");
parm.flags = flags;
parm.recipients = recipients;
parm.msg = msg;
parm.wp = wp;
parm.lp = lp;
parm.success = TRUE;
if (*recipients & BSM_ALLDESKTOPS || *recipients == BSM_ALLCOMPONENTS)
ret = EnumWindowStationsW(bcast_winsta, (LONG_PTR)&parm);
else if (*recipients & BSM_APPLICATIONS)
{
EnumWindows(bcast_childwindow, (LONG_PTR)&parm);
ret = parm.success;
}
else
FIXME("Recipients %08x not supported!\n", *recipients);
return ret;
}
/***********************************************************************
* SetMessageQueue (USER32.@)
*/
BOOL WINAPI SetMessageQueue( INT size )
{
/* now obsolete the message queue will be expanded dynamically as necessary */
return TRUE;
}
/***********************************************************************
* MessageBeep (USER32.@)
*/
BOOL WINAPI MessageBeep( UINT i )
{
return NtUserCallOneParam( i, NtUserMessageBeep );
}
/******************************************************************
* SetTimer (USER32.@)
*/
UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
{
return NtUserSetTimer( hwnd, id, timeout, proc, TIMERV_DEFAULT_COALESCING );
}
/***********************************************************************
* KillSystemTimer (USER32.@)
*/
BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
{
return NtUserCallHwndParam( hwnd, id, NtUserKillSystemTimer );
}
/**********************************************************************
* IsGUIThread (USER32.@)
*/
BOOL WINAPI IsGUIThread( BOOL convert )
{
FIXME( "%u: stub\n", convert );
return TRUE;
}
/******************************************************************
* IsHungAppWindow (USER32.@)
*
*/
BOOL WINAPI IsHungAppWindow( HWND hWnd )
{
BOOL ret;
SERVER_START_REQ( is_window_hung )
{
req->win = wine_server_user_handle( hWnd );
ret = !wine_server_call_err( req ) && reply->is_hung;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************
* ChangeWindowMessageFilter (USER32.@)
*/
BOOL WINAPI ChangeWindowMessageFilter( UINT message, DWORD flag )
{
FIXME( "%x %08x\n", message, flag );
return TRUE;
}
/******************************************************************
* ChangeWindowMessageFilterEx (USER32.@)
*/
BOOL WINAPI ChangeWindowMessageFilterEx( HWND hwnd, UINT message, DWORD action, CHANGEFILTERSTRUCT *changefilter )
{
FIXME( "%p %x %d %p\n", hwnd, message, action, changefilter );
return TRUE;
}
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