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wine/dlls/win32u/message.c
Jacek Caban 0dbafa8496 win32u: Use user message packing for EM_GETSEL.
2023-07-31 18:22:26 +09:00

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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
*/
#if 0
#pragma makedep unix
#endif
#include <assert.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "win32u_private.h"
#include "ntuser_private.h"
#include "winnls.h"
#include "hidusage.h"
#include "dbt.h"
#include "dde.h"
#include "immdev.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msg);
WINE_DECLARE_DEBUG_CHANNEL(key);
WINE_DECLARE_DEBUG_CHANNEL(relay);
#define MAX_WINPROC_RECURSION 64
#define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
#define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
#define MAX_PACK_COUNT 4
/* info about the message currently being received by the current thread */
struct received_message_info
{
UINT type;
MSG msg;
UINT flags; /* InSendMessageEx return flags */
struct received_message_info *prev;
};
#define MSG_CLIENT_MESSAGE 0xff
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_COMBOBOXINFO) >= sizeof(COMBOBOXINFO) );
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_COMBOBOXINFO cbi;
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];
};
/* 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;
struct win_proc_params *params;
};
static const INPUT_MESSAGE_SOURCE msg_source_unavailable = { IMDT_UNAVAILABLE, IMO_UNAVAILABLE };
/* 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 */
SET(CB_GETCOMBOBOXINFO),
/* 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)
};
/* 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;
}
#undef SET
static BOOL init_win_proc_params( struct win_proc_params *params, HWND hwnd, UINT msg,
WPARAM wparam, LPARAM lparam, BOOL ansi )
{
if (!params->func) return FALSE;
user_check_not_lock();
params->hwnd = get_full_window_handle( hwnd );
params->msg = msg;
params->wparam = wparam;
params->lparam = lparam;
params->ansi = params->ansi_dst = ansi;
params->needs_unpack = FALSE;
params->mapping = WMCHAR_MAP_CALLWINDOWPROC;
params->dpi_awareness = get_window_dpi_awareness_context( params->hwnd );
get_winproc_params( params, TRUE );
return TRUE;
}
static BOOL init_window_call_params( struct win_proc_params *params, HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam, BOOL ansi, enum wm_char_mapping mapping )
{
BOOL is_dialog;
WND *win;
user_check_not_lock();
if (!(win = get_win_ptr( hwnd ))) return FALSE;
if (win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
if (win->tid != GetCurrentThreadId())
{
release_win_ptr( win );
return FALSE;
}
params->func = win->winproc;
params->ansi_dst = !(win->flags & WIN_ISUNICODE);
is_dialog = win->dlgInfo != NULL;
release_win_ptr( win );
params->hwnd = get_full_window_handle( hwnd );
params->msg = msg;
params->wparam = wParam;
params->lparam = lParam;
params->ansi = ansi;
params->needs_unpack = FALSE;
params->mapping = mapping;
params->dpi_awareness = get_window_dpi_awareness_context( params->hwnd );
get_winproc_params( params, !is_dialog );
return TRUE;
}
static LRESULT dispatch_win_proc_params( struct win_proc_params *params, size_t size,
void **client_ret, size_t *client_ret_size )
{
struct ntuser_thread_info *thread_info = NtUserGetThreadInfo();
LRESULT result = 0;
void *ret_ptr;
ULONG ret_len;
if (thread_info->recursion_count > MAX_WINPROC_RECURSION) return 0;
thread_info->recursion_count++;
KeUserModeCallback( NtUserCallWinProc, params, size, &ret_ptr, &ret_len );
thread_info->recursion_count--;
if (ret_len >= sizeof(result))
{
result = *(LRESULT *)ret_ptr;
if (client_ret)
{
*client_ret = (LRESULT *)ret_ptr + 1;
*client_ret_size = ret_len - sizeof(result);
}
}
return result;
}
/* 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++;
}
/* 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;
}
/* 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 there is space for 'size' bytes in buffer, growing it if needed */
static inline void *get_buffer_space( void **buffer, size_t size, size_t prev_size )
{
if (prev_size < size) *buffer = malloc( size );
return *buffer;
}
/* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
static inline BOOL combobox_has_strings( HWND hwnd )
{
DWORD style = get_window_long( 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 = get_window_long( 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 == get_desktop_window()) return TRUE;
return (msg->hwnd == hwnd_filter || is_child( hwnd_filter, msg->hwnd ));
}
/***********************************************************************
* 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)
{
cs.lpszName = str;
size -= (lstrlenW(str) + 1) * sizeof(WCHAR);
str += lstrlenW(str) + 1;
}
if (ps->cs.lpszClass >> 16)
{
cs.lpszClass = str;
}
memcpy( *buffer, &cs, sizeof(cs) );
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_GETTEXT:
case WM_ASKCBFORMATNAME:
if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)), size )) 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:
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( *buffer, &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( *buffer, &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( *buffer, &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( *buffer, &cis, sizeof(cis) );
break;
}
case WM_WINDOWPOSCHANGING:
case WM_WINDOWPOSCHANGED:
{
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( *buffer, &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_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_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), size )) return FALSE;
break;
case SBM_GETSCROLLBARINFO:
if (!get_buffer_space( buffer, sizeof(SCROLLBARINFO), size )) return FALSE;
break;
case EM_GETSEL:
case SBM_GETRANGE:
case CB_GETEDITSEL:
if (*wparam || *lparam)
{
if (!get_buffer_space( buffer, 2 * sizeof(DWORD), size )) return FALSE;
if (*wparam) *wparam = (WPARAM)*buffer;
if (*lparam) *lparam = (LPARAM)((DWORD *)*buffer + 1);
}
return TRUE;
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, sizeof(wp) );
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 CB_GETCOMBOBOXINFO:
{
COMBOBOXINFO cbi = { sizeof(COMBOBOXINFO) };
memcpy( ps, &cbi, sizeof(cbi) );
break;
}
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_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 (send_message( hwnd, CB_GETLBTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
case CB_GETCOMBOBOXINFO:
return sizeof(data->ps.cbi);
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 (send_message( 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, debugstr_msg_name(message, hwnd) );
data->count = -1;
return 0;
}
return 0;
}
/***********************************************************************
* 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 CB_GETCOMBOBOXINFO:
{
COMBOBOXINFO *cbi = (COMBOBOXINFO *)lparam;
data->ps.cbi.rcItem = cbi->rcItem;
data->ps.cbi.rcButton = cbi->rcButton;
data->ps.cbi.stateButton = cbi->stateButton;
data->ps.cbi.hwndCombo = wine_server_user_handle( cbi->hwndCombo );
data->ps.cbi.hwndItem = wine_server_user_handle( cbi->hwndItem );
data->ps.cbi.hwndList = wine_server_user_handle( cbi->hwndList );
push_data( data, &data->ps.cbi, sizeof(data->ps.cbi) );
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 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 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 CB_GETCOMBOBOXINFO:
if (lparam && size >= sizeof(ps->cbi) &&
((COMBOBOXINFO*)lparam)->cbSize == sizeof(COMBOBOXINFO))
{
COMBOBOXINFO *cbi = (COMBOBOXINFO *)lparam;
cbi->rcItem = ps->cbi.rcItem;
cbi->rcButton = ps->cbi.rcButton;
cbi->stateButton = ps->cbi.stateButton;
cbi->hwndCombo = wine_server_ptr_handle( ps->cbi.hwndCombo );
cbi->hwndItem = wine_server_ptr_handle( ps->cbi.hwndItem );
cbi->hwndList = wine_server_ptr_handle( ps->cbi.hwndList );
}
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;
}
}
static size_t char_size( BOOL ansi )
{
return ansi ? sizeof(char) : sizeof(WCHAR);
}
static size_t string_size( const void *str, BOOL ansi )
{
return ansi ? strlen( str ) + 1 : (wcslen( str ) + 1) * sizeof(WCHAR);
}
static size_t copy_string( void *ptr, const void *str, BOOL ansi )
{
size_t size = string_size( str, ansi );
memcpy( ptr, str, size );
return size;
}
/***********************************************************************
* user_message_size
*
* Calculate size of packed message buffer.
*/
size_t user_message_size( UINT message, WPARAM wparam, LPARAM lparam, BOOL other_process, BOOL ansi )
{
const void *lparam_ptr = (const void *)lparam;
size_t size = 0;
switch (message)
{
case WM_NCCREATE:
case WM_CREATE:
{
const CREATESTRUCTW *cs = lparam_ptr;
size = sizeof(*cs);
if (!IS_INTRESOURCE(cs->lpszName)) size += string_size( cs->lpszName, ansi );
if (!IS_INTRESOURCE(cs->lpszClass)) size += string_size( cs->lpszClass, ansi );
break;
}
case WM_NCCALCSIZE:
size = wparam ? sizeof(NCCALCSIZE_PARAMS) + sizeof(WINDOWPOS) : sizeof(RECT);
break;
case WM_GETTEXT:
case WM_ASKCBFORMATNAME:
size = wparam * char_size( ansi );
break;
case WM_WININICHANGE:
case WM_SETTEXT:
case WM_DEVMODECHANGE:
case CB_DIR:
case LB_DIR:
case LB_ADDFILE:
case EM_REPLACESEL:
if (other_process && lparam) size = string_size( lparam_ptr, ansi );
break;
case WM_GETMINMAXINFO:
size = sizeof(MINMAXINFO);
break;
case WM_DRAWITEM:
size = sizeof(DRAWITEMSTRUCT);
break;
case WM_MEASUREITEM:
size = sizeof(MEASUREITEMSTRUCT);
break;
case WM_DELETEITEM:
size = sizeof(DELETEITEMSTRUCT);
break;
case WM_COMPAREITEM:
size = sizeof(COMPAREITEMSTRUCT);
break;
case WM_WINDOWPOSCHANGING:
case WM_WINDOWPOSCHANGED:
size = sizeof(WINDOWPOS);
break;
case WM_COPYDATA:
{
const COPYDATASTRUCT *cds = lparam_ptr;
size = sizeof(*cds) + cds->cbData;
break;
}
case WM_HELP:
size = sizeof(HELPINFO);
break;
case WM_STYLECHANGING:
case WM_STYLECHANGED:
size = sizeof(STYLESTRUCT);
break;
case WM_GETDLGCODE:
size = sizeof(MSG);
break;
case SBM_SETSCROLLINFO:
case SBM_GETSCROLLINFO:
size = sizeof(SCROLLINFO);
break;
case SBM_GETSCROLLBARINFO:
size = sizeof(SCROLLBARINFO);
break;
case EM_GETSEL:
case SBM_GETRANGE:
case CB_GETEDITSEL:
size = 2 * sizeof(DWORD);
break;
}
return size;
}
/***********************************************************************
* pack_user_message
*
* Copy message to a buffer for passing to client.
*/
void pack_user_message( void *buffer, size_t size, UINT message,
WPARAM wparam, LPARAM lparam, BOOL ansi )
{
const void *lparam_ptr = (const void *)lparam;
void const *inline_ptr = (void *)0xffffffff;
if (!size) return;
switch (message)
{
case WM_NCCREATE:
case WM_CREATE:
{
CREATESTRUCTW *cs = buffer;
char *ptr = (char *)(cs + 1);
memcpy( cs, lparam_ptr, sizeof(*cs) );
if (!IS_INTRESOURCE(cs->lpszName))
{
ptr += copy_string( ptr, cs->lpszName, ansi );
cs->lpszName = inline_ptr;
}
if (!IS_INTRESOURCE(cs->lpszClass))
{
copy_string( ptr, cs->lpszClass, ansi );
cs->lpszClass = inline_ptr;
}
return;
}
case WM_NCCALCSIZE:
if (wparam)
{
const NCCALCSIZE_PARAMS *ncp = lparam_ptr;
memcpy( (char *)buffer + sizeof(*ncp), ncp->lppos, sizeof(*ncp->lppos) );
size = sizeof(*ncp);
}
break;
case WM_GETTEXT:
case WM_ASKCBFORMATNAME:
if (wparam) memset( buffer, 0, char_size( ansi ));
return;
case WM_COPYDATA:
{
const COPYDATASTRUCT *cds = lparam_ptr;
if (cds->lpData && cds->cbData)
memcpy( (char *)buffer + sizeof(*cds), cds->lpData, cds->cbData );
size = sizeof(*cds);
break;
}
case EM_GETSEL:
case SBM_GETRANGE:
case CB_GETEDITSEL:
return;
}
if (size) memcpy( buffer, lparam_ptr, size );
}
/***********************************************************************
* copy_user_result
*
* Copy a message result received from client.
*/
static void copy_user_result( void *buffer, size_t size, LRESULT result, UINT message,
WPARAM wparam, LPARAM lparam, BOOL ansi )
{
void *lparam_ptr = (void *)lparam;
size_t copy_size = 0;
if (!size) return;
switch (message)
{
case WM_NCCREATE:
case WM_CREATE:
if (size >= sizeof(CREATESTRUCTW))
{
CREATESTRUCTW *dst = lparam_ptr;
const CREATESTRUCTW *src = buffer;
dst->lpCreateParams = src->lpCreateParams;
dst->hInstance = src->hInstance;
dst->hMenu = src->hMenu;
dst->hwndParent = src->hwndParent;
dst->cy = src->cy;
dst->cx = src->cx;
dst->y = src->y;
dst->x = src->x;
dst->style = src->style;
dst->dwExStyle = src->dwExStyle;
/* don't allow changing name and class pointers */
}
return;
case WM_NCCALCSIZE:
if (wparam)
{
NCCALCSIZE_PARAMS *dst = lparam_ptr;
const NCCALCSIZE_PARAMS *src = buffer;
const WINDOWPOS *winpos = (const WINDOWPOS *)(src + 1);
dst->rgrc[0] = src->rgrc[0];
dst->rgrc[1] = src->rgrc[1];
dst->rgrc[2] = src->rgrc[2];
*dst->lppos = *winpos;
return;
}
copy_size = sizeof(RECT);
break;
case WM_GETTEXT:
if (!result) memset( buffer, 0, char_size( ansi ));
copy_size = string_size( buffer, ansi );
break;
case WM_ASKCBFORMATNAME:
copy_size = string_size( buffer, ansi );
break;
case WM_GETMINMAXINFO:
copy_size = sizeof(MINMAXINFO);
break;
case WM_MEASUREITEM:
copy_size = sizeof(MEASUREITEMSTRUCT);
break;
case WM_WINDOWPOSCHANGING:
copy_size = sizeof(WINDOWPOS);
break;
case WM_STYLECHANGING:
copy_size = sizeof(STYLESTRUCT);
break;
case SBM_SETSCROLLINFO:
case SBM_GETSCROLLINFO:
copy_size = sizeof(SCROLLINFO);
break;
case SBM_GETSCROLLBARINFO:
copy_size = sizeof(SCROLLBARINFO);
break;
case EM_GETSEL:
case SBM_GETRANGE:
case CB_GETEDITSEL:
{
DWORD *ptr = buffer;
if (wparam) *(DWORD *)wparam = ptr[0];
if (lparam) *(DWORD *)lparam = ptr[1];
break;
}
default:
return;
}
if (copy_size > size) copy_size = size;
if (copy_size) memcpy( lparam_ptr, buffer, copy_size );
}
/***********************************************************************
* copy_reply
*
* Copy a message reply received from client.
*/
static void copy_reply( LRESULT result, HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
WPARAM wparam_src, LPARAM lparam_src )
{
size_t copy_size = 0;
switch(message)
{
case CB_GETLBTEXT:
case LB_GETTEXT:
copy_size = (result + 1) * sizeof(WCHAR);
break;
case CB_GETCOMBOBOXINFO:
copy_size = sizeof(COMBOBOXINFO);
break;
case EM_GETRECT:
case LB_GETITEMRECT:
case CB_GETDROPPEDCONTROLRECT:
case WM_SIZING:
case WM_MOVING:
copy_size = sizeof(RECT);
break;
case EM_GETLINE:
{
WORD *ptr = (WORD *)lparam;
copy_size = ptr[-1] * sizeof(WCHAR);
break;
}
case LB_GETSELITEMS:
copy_size = wparam * sizeof(UINT);
break;
case WM_MDIGETACTIVE:
if (lparam) copy_size = sizeof(BOOL);
break;
case WM_NEXTMENU:
copy_size = sizeof(MDINEXTMENU);
break;
case WM_MDICREATE:
copy_size = sizeof(MDICREATESTRUCTW);
break;
default:
return;
}
if (copy_size) memcpy( (void *)lparam, (void *)lparam_src, copy_size );
}
/***********************************************************************
* reply_message
*
* Send a reply to a sent message.
*/
static void reply_message( struct received_message_info *info, LRESULT result, MSG *msg )
{
struct packed_message data;
int i, replied = info->flags & ISMEX_REPLIED;
BOOL remove = msg != NULL;
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 == get_user_thread_info()->receive_info)
NtUserGetThreadInfo()->receive_flags = info->flags;
if (info->type == MSG_OTHER_PROCESS && !replied)
{
if (!msg) msg = &info->msg;
pack_reply( msg->hwnd, msg->message, msg->wParam, 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;
}
/***********************************************************************
* reply_message_result
*
* Send a reply to a sent message and update thread receive info.
*/
BOOL reply_message_result( LRESULT result )
{
struct user_thread_info *thread_info = get_user_thread_info();
struct received_message_info *info = thread_info->receive_info;
while (info && info->type == MSG_CLIENT_MESSAGE) info = info->prev;
if (!info) return FALSE;
reply_message( info, result, NULL );
return TRUE;
}
/***********************************************************************
* reply_winproc_result
*
* Send a reply to a sent message and update thread receive info.
*/
static BOOL reply_winproc_result( LRESULT result, HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam )
{
struct user_thread_info *thread_info = get_user_thread_info();
struct received_message_info *info = thread_info->receive_info;
MSG msg;
if (!info) return FALSE;
if (info->type == MSG_CLIENT_MESSAGE)
{
copy_reply( result, hwnd, message, info->msg.wParam, info->msg.lParam, wparam, lparam );
return TRUE;
}
msg.hwnd = hwnd;
msg.message = message;
msg.wParam = wparam;
msg.lParam = lparam;
reply_message( info, result, &msg );
thread_info->receive_info = info->prev;
thread_info->client_info.receive_flags = info->prev ? info->prev->flags : ISMEX_NOSEND;
return TRUE;
}
/***********************************************************************
* handle_internal_message
*
* Handle an internal Wine message instead of calling the window proc.
*/
static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
switch(msg)
{
case WM_WINE_DESTROYWINDOW:
return destroy_window( hwnd );
case WM_WINE_SETWINDOWPOS:
if (is_desktop_window( hwnd )) return 0;
return set_window_pos( (WINDOWPOS *)lparam, 0, 0 );
case WM_WINE_SHOWWINDOW:
if (is_desktop_window( hwnd )) return 0;
return NtUserShowWindow( hwnd, wparam );
case WM_WINE_SETPARENT:
if (is_desktop_window( hwnd )) return 0;
return HandleToUlong( NtUserSetParent( hwnd, UlongToHandle(wparam) ));
case WM_WINE_SETWINDOWLONG:
return set_window_long( hwnd, (short)LOWORD(wparam), HIWORD(wparam), lparam, FALSE );
case WM_WINE_SETSTYLE:
if (is_desktop_window( hwnd )) return 0;
return set_window_style( hwnd, wparam, lparam );
case WM_WINE_SETACTIVEWINDOW:
if (!wparam && NtUserGetForegroundWindow() == hwnd) return 0;
return (LRESULT)NtUserSetActiveWindow( (HWND)wparam );
case WM_WINE_KEYBOARD_LL_HOOK:
case WM_WINE_MOUSE_LL_HOOK:
{
struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
return call_current_hook( h_extra->handle, HC_ACTION, wparam, h_extra->lparam );
}
case WM_WINE_CLIPCURSOR:
/* non-hardware message, posted on display mode change to trigger fullscreen
clipping or to the desktop window to forcefully release the cursor grabs */
if (wparam & SET_CURSOR_FSCLIP) return clip_fullscreen_window( hwnd, FALSE );
return process_wine_clipcursor( hwnd, wparam, lparam );
case WM_WINE_SETCURSOR:
FIXME( "Unexpected non-hardware WM_WINE_SETCURSOR message\n" );
return FALSE;
case WM_WINE_UPDATEWINDOWSTATE:
update_window_state( hwnd );
return 0;
default:
if (msg >= WM_WINE_FIRST_DRIVER_MSG && msg <= WM_WINE_LAST_DRIVER_MSG)
return user_driver->pWindowMessage( hwnd, msg, wparam, lparam );
FIXME( "unknown internal message %x\n", msg );
return 0;
}
}
/**********************************************************************
* NtUserGetGUIThreadInfo (win32u.@)
*/
BOOL WINAPI NtUserGetGUIThreadInfo( DWORD id, GUITHREADINFO *info )
{
BOOL ret;
if (info->cbSize != sizeof(*info))
{
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
return FALSE;
}
SERVER_START_REQ( get_thread_input )
{
req->tid = id;
if ((ret = !wine_server_call_err( req )))
{
info->flags = 0;
info->hwndActive = wine_server_ptr_handle( reply->active );
info->hwndFocus = wine_server_ptr_handle( reply->focus );
info->hwndCapture = wine_server_ptr_handle( reply->capture );
info->hwndMenuOwner = wine_server_ptr_handle( reply->menu_owner );
info->hwndMoveSize = wine_server_ptr_handle( reply->move_size );
info->hwndCaret = wine_server_ptr_handle( reply->caret );
info->rcCaret.left = reply->rect.left;
info->rcCaret.top = reply->rect.top;
info->rcCaret.right = reply->rect.right;
info->rcCaret.bottom = reply->rect.bottom;
if (reply->menu_owner) info->flags |= GUI_INMENUMODE;
if (reply->move_size) info->flags |= GUI_INMOVESIZE;
if (reply->caret) info->flags |= GUI_CARETBLINKING;
}
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* 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,
BOOL needs_unpack, void *buffer, size_t size )
{
struct win_proc_params p, *params = &p;
BOOL ansi = !unicode && !needs_unpack;
LRESULT result = 0;
CWPSTRUCT cwp;
CWPRETSTRUCT cwpret;
size_t packed_size = 0;
void *ret_ptr;
size_t ret_len = 0;
if (msg & 0x80000000)
return handle_internal_message( hwnd, msg, wparam, lparam );
if (!needs_unpack) size = 0;
if (!is_current_thread_window( hwnd )) return 0;
packed_size = user_message_size( msg, wparam, lparam, needs_unpack, ansi );
if (packed_size) size = packed_size;
/* first the WH_CALLWNDPROC hook */
cwp.lParam = lparam;
cwp.wParam = wparam;
cwp.message = msg;
cwp.hwnd = hwnd = get_full_window_handle( hwnd );
call_message_hooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, sizeof(cwp),
packed_size, ansi );
if (size && !(params = malloc( sizeof(*params) + size ))) return 0;
if (!init_window_call_params( params, hwnd, msg, wparam, lparam, !unicode, mapping ))
{
if (params != &p) free( params );
return 0;
}
if (needs_unpack) params->ansi = FALSE;
params->needs_unpack = needs_unpack || packed_size;
if (packed_size)
pack_user_message( params + 1, packed_size, msg, wparam, lparam, ansi );
else if (size)
memcpy( params + 1, buffer, size );
result = dispatch_win_proc_params( params, sizeof(*params) + size, &ret_ptr, &ret_len );
if (params != &p) free( params );
copy_user_result( ret_ptr, min( ret_len, packed_size ), result, msg, wparam, lparam, ansi );
/* and finally the WH_CALLWNDPROCRET hook */
cwpret.lResult = result;
cwpret.lParam = lparam;
cwpret.wParam = wparam;
cwpret.message = msg;
cwpret.hwnd = hwnd;
call_message_hooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, sizeof(cwpret),
packed_size, ansi );
return result;
}
/***********************************************************************
* 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 )
{
struct send_async_params params;
void *ret_ptr;
ULONG ret_len;
if (!callback) return;
params.callback = callback;
params.hwnd = hwnd;
params.msg = msg;
params.data = data;
params.result = result;
TRACE_(relay)( "\1Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
callback, hwnd, debugstr_msg_name( msg, hwnd ), data, result );
KeUserModeCallback( NtUserCallSendAsyncCallback, &params, sizeof(params), &ret_ptr, &ret_len );
TRACE_(relay)( "\1Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
callback, hwnd, debugstr_msg_name( msg, hwnd ), data, result );
}
/***********************************************************************
* 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;
}
/***********************************************************************
* 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 */
map_window_points( 0, hwnd, &pt, 1, get_thread_dpi() );
for (;;)
{
HWND parent;
if (!(get_window_long( hwnd, GWL_STYLE ) & WS_CHILD)) break;
if (get_window_long( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
if (!(parent = get_parent( hwnd ))) break;
if (parent == get_desktop_window()) break;
map_window_points( hwnd, parent, &pt, 1, get_thread_dpi() );
hwnd = parent;
send_message( hwnd, WM_PARENTNOTIFY,
MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
}
}
/***********************************************************************
* 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 */
call_hooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, sizeof(event) );
/* 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 != get_desktop_window()))
{
/* Handle F1 key by sending out WM_HELP message */
if (msg->wParam == VK_F1)
{
NtUserPostMessage( msg->hwnd, WM_KEYF1, 0, 0 );
}
else if(msg->wParam >= VK_BROWSER_BACK &&
msg->wParam <= VK_LAUNCH_APP2)
{
/* FIXME: Process keystate */
send_message( 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 && !is_menu_active())
NtUserPostMessage( msg->hwnd, WM_CONTEXTMENU, (WPARAM)msg->hwnd, -1 );
}
}
if (call_hooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
LOWORD(msg->wParam), msg->lParam, 0 ))
{
/* skip this message */
call_hooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, 0 );
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 eat_msg;
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 = window_from_point( msg->hwnd, msg->pt, &hittest );
if (!msg->hwnd) /* As a heuristic, try the next window if it's the owner of orig */
{
HWND next = get_window_relative( orig, GW_HWNDNEXT );
if (next && get_window_relative( orig, GW_OWNER ) == next &&
is_current_thread_window( next ))
msg->hwnd = window_from_point( next, msg->pt, &hittest );
}
}
if (!msg->hwnd || !is_current_thread_window( msg->hwnd ))
{
accept_hardware_message( hw_id );
return FALSE;
}
msg->pt = point_phys_to_win_dpi( msg->hwnd, msg->pt );
SetThreadDpiAwarenessContext( get_window_dpi_awareness_context( 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;
call_hooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, sizeof(event) );
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))
screen_to_client( 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 ||
(get_class_long( msg->hwnd, GCL_STYLE, FALSE ) & 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) < get_system_metrics( SM_CXDOUBLECLK ) / 2) &&
(abs(msg->pt.y - clk_msg.pt.y) < get_system_metrics( 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.pt = msg->pt;
hook.hwnd = msg->hwnd;
hook.wHitTestCode = hittest;
hook.dwExtraInfo = extra_info;
hook.mouseData = msg->wParam;
if (call_hooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE, message, (LPARAM)&hook, sizeof(hook) ))
{
hook.pt = msg->pt;
hook.hwnd = msg->hwnd;
hook.wHitTestCode = hittest;
hook.dwExtraInfo = extra_info;
hook.mouseData = msg->wParam;
call_hooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, sizeof(hook) );
accept_hardware_message( hw_id );
return FALSE;
}
if ((hittest == HTERROR) || (hittest == HTNOWHERE))
{
send_message( 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;
}
eat_msg = 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 ((get_window_long( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD)
{
UINT ret = send_message( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
MAKELONG( hittest, msg->message ) );
switch(ret)
{
case MA_NOACTIVATEANDEAT:
eat_msg = TRUE;
/* fall through */
case MA_NOACTIVATE:
break;
case MA_ACTIVATEANDEAT:
eat_msg = TRUE;
/* fall through */
case MA_ACTIVATE:
case 0:
if (!set_foreground_window( hwndTop, TRUE )) eat_msg = 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 */
send_message( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
msg->message = message;
return !eat_msg;
}
/***********************************************************************
* 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 )
{
struct ntuser_thread_info *thread_info = NtUserGetThreadInfo();
DPI_AWARENESS_CONTEXT context;
BOOL ret = FALSE;
thread_info->msg_source.deviceType = msg_data->source.device;
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 if (msg->message == WM_WINE_CLIPCURSOR)
process_wine_clipcursor( msg->hwnd, msg->wParam, msg->lParam );
else if (msg->message == WM_WINE_SETCURSOR)
process_wine_setcursor( msg->hwnd, (HWND)msg->wParam, (HCURSOR)msg->lParam );
else
ERR( "unknown message type %x\n", msg->message );
SetThreadDpiAwarenessContext( context );
return ret;
}
/***********************************************************************
* 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->client_info.msg_source;
struct received_message_info info;
unsigned int hw_id = 0; /* id of previous hardware message */
void *buffer;
size_t buffer_size = 1024;
if (!(buffer = malloc( 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;
BOOL needs_unpack = FALSE;
thread_info->client_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)
{
free( 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)
{
RtlSetLastWin32Error( RtlNtStatusToDosError(res) );
return -1;
}
if (!(buffer = malloc( 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" : debugstr_msg_name(info.msg.message, info.msg.hwnd),
info.msg.hwnd, (long)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;
needs_unpack = TRUE;
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))
{
struct win_event_hook_params params;
void *ret_ptr;
ULONG ret_len;
params.proc = wine_server_get_ptr( msg_data->winevent.hook_proc );
size -= sizeof(msg_data->winevent);
if (size)
{
size = min( size, sizeof(params.module) - sizeof(WCHAR) );
memcpy( params.module, &msg_data->winevent + 1, size );
}
params.module[size / sizeof(WCHAR)] = 0;
size = FIELD_OFFSET( struct win_event_hook_params, module[size / sizeof(WCHAR) + 1] );
params.handle = wine_server_ptr_handle( msg_data->winevent.hook );
params.event = info.msg.message;
params.hwnd = info.msg.hwnd;
params.object_id = info.msg.wParam;
params.child_id = info.msg.lParam;
params.tid = msg_data->winevent.tid;
params.time = info.msg.time;
KeUserModeCallback( NtUserCallWinEventHook, &params, size, &ret_ptr, &ret_len );
}
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",
(int)hook.vkCode, (int)hook.scanCode, (int)hook.flags,
(int)hook.time, (long)hook.dwExtraInfo );
result = call_hooks( WH_KEYBOARD_LL, HC_ACTION, info.msg.wParam,
(LPARAM)&hook, sizeof(hook) );
}
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",
(int)hook.pt.x, (int)hook.pt.y, (int)hook.mouseData, (int)hook.flags,
(int)hook.time, (long)hook.dwExtraInfo );
result = call_hooks( WH_MOUSE_LL, HC_ACTION, info.msg.wParam,
(LPARAM)&hook, sizeof(hook) );
}
reply_message( &info, result, &info.msg );
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, &info.msg );
continue;
}
needs_unpack = TRUE;
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->client_info.message_pos = MAKELONG( info.msg.pt.x, info.msg.pt.y );
thread_info->client_info.message_time = info.msg.time;
thread_info->client_info.message_extra = msg_data->hardware.info;
free( buffer );
call_hooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, sizeof(*msg) );
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)
{
free( 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)
{
struct unpack_dde_message_result result;
struct unpack_dde_message_params *params;
void *ret_ptr;
ULONG len;
BOOL ret;
len = FIELD_OFFSET( struct unpack_dde_message_params, data[size] );
if (!(params = malloc( len )))
continue;
params->result = &result;
params->hwnd = info.msg.hwnd;
params->message = info.msg.message;
params->wparam = info.msg.wParam;
params->lparam = info.msg.lParam;
if (size) memcpy( params->data, buffer, size );
ret = KeUserModeCallback( NtUserUnpackDDEMessage, params, len, &ret_ptr, &len );
if (len == sizeof(result)) result = *(struct unpack_dde_message_result *)ret_ptr;
free( params );
if (!ret) continue; /* ignore it */
info.msg.wParam = result.wparam;
info.msg.lParam = result.lparam;
}
*msg = info.msg;
msg->pt = point_phys_to_win_dpi( info.msg.hwnd, info.msg.pt );
thread_info->client_info.message_pos = MAKELONG( msg->pt.x, msg->pt.y );
thread_info->client_info.message_time = info.msg.time;
thread_info->client_info.message_extra = 0;
thread_info->client_info.msg_source = msg_source_unavailable;
free( buffer );
call_hooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, sizeof(*msg) );
return 1;
}
/* if we get here, we have a sent message; call the window procedure */
info.prev = thread_info->receive_info;
thread_info->receive_info = &info;
thread_info->client_info.msg_source = msg_source_unavailable;
thread_info->client_info.receive_flags = info.flags;
result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
info.msg.lParam, (info.type != MSG_ASCII), FALSE,
WMCHAR_MAP_RECVMESSAGE, needs_unpack, buffer, size );
if (thread_info->receive_info == &info)
reply_winproc_result( result, info.msg.hwnd, info.msg.message,
info.msg.wParam, info.msg.lParam );
/* 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 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;
}
/* 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->pProcessEvents( QS_ALLINPUT );
}
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++;
}
/* helper for kernel32->ntdll timeout format conversion */
static inline LARGE_INTEGER *get_nt_timeout( LARGE_INTEGER *time, DWORD timeout )
{
if (timeout == INFINITE) return NULL;
time->QuadPart = (ULONGLONG)timeout * -10000;
return time;
}
/* wait for message or signaled handle */
static DWORD wait_message( DWORD count, const HANDLE *handles, DWORD timeout, DWORD mask, DWORD flags )
{
LARGE_INTEGER time;
DWORD ret, lock;
void *ret_ptr;
ULONG ret_len;
if (enable_thunk_lock)
lock = KeUserModeCallback( NtUserThunkLock, NULL, 0, &ret_ptr, &ret_len );
if (user_driver->pProcessEvents( mask )) ret = count ? count - 1 : 0;
else if (count)
{
ret = NtWaitForMultipleObjects( count, handles, !(flags & MWMO_WAITALL),
!!(flags & MWMO_ALERTABLE), get_nt_timeout( &time, timeout ));
if (ret == count - 1) user_driver->pProcessEvents( mask );
else if (HIWORD(ret)) /* is it an error code? */
{
RtlSetLastWin32Error( RtlNtStatusToDosError(ret) );
ret = WAIT_FAILED;
}
}
else ret = WAIT_TIMEOUT;
if (ret == WAIT_TIMEOUT && !count && !timeout) NtYieldExecution();
if ((mask & QS_INPUT) == QS_INPUT) get_user_thread_info()->message_count = 0;
if (enable_thunk_lock)
KeUserModeCallback( NtUserThunkLock, &lock, sizeof(lock), &ret_ptr, &ret_len );
return ret;
}
/***********************************************************************
* 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 = wait_message( count, handles, timeout, changed_mask, flags );
if (ret != WAIT_TIMEOUT) thread_info->wake_mask = thread_info->changed_mask = 0;
return ret;
}
static HANDLE normalize_std_handle( HANDLE handle )
{
if (handle == (HANDLE)STD_INPUT_HANDLE)
return NtCurrentTeb()->Peb->ProcessParameters->hStdInput;
if (handle == (HANDLE)STD_OUTPUT_HANDLE)
return NtCurrentTeb()->Peb->ProcessParameters->hStdOutput;
if (handle == (HANDLE)STD_ERROR_HANDLE)
return NtCurrentTeb()->Peb->ProcessParameters->hStdError;
return handle;
}
/***********************************************************************
* NtUserMsgWaitForMultipleObjectsEx (win32u.@)
*/
DWORD WINAPI NtUserMsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
DWORD timeout, DWORD mask, DWORD flags )
{
HANDLE wait_handles[MAXIMUM_WAIT_OBJECTS];
DWORD i;
if (count > MAXIMUM_WAIT_OBJECTS-1)
{
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
return WAIT_FAILED;
}
/* add the queue to the handle list */
for (i = 0; i < count; i++) wait_handles[i] = normalize_std_handle( handles[i] );
wait_handles[count] = get_server_queue_handle();
return wait_objects( count+1, wait_handles, timeout,
(flags & MWMO_INPUTAVAILABLE) ? mask : 0, mask, flags );
}
/***********************************************************************
* NtUserWaitForInputIdle (win32u.@)
*/
DWORD WINAPI NtUserWaitForInputIdle( HANDLE process, DWORD timeout, BOOL wow )
{
DWORD start_time, elapsed, ret;
HANDLE handles[2];
handles[0] = process;
SERVER_START_REQ( get_process_idle_event )
{
req->handle = wine_server_obj_handle( process );
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 = NtGetTickCount();
elapsed = 0;
TRACE("waiting for %p\n", handles[1] );
for (;;)
{
ret = NtUserMsgWaitForMultipleObjectsEx( 2, handles, timeout - elapsed, QS_SENDMESSAGE, 0 );
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 (timeout != INFINITE)
{
elapsed = NtGetTickCount() - start_time;
if (elapsed > timeout)
break;
}
}
return WAIT_TIMEOUT;
}
/***********************************************************************
* NtUserWaitMessage (win32u.@)
*/
BOOL WINAPI NtUserWaitMessage(void)
{
return NtUserMsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED;
}
/***********************************************************************
* NtUserPeekMessage (win32u.@)
*/
BOOL WINAPI NtUserPeekMessage( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
{
MSG msg;
int ret;
user_check_not_lock();
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 = 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)
{
RtlSetLastWin32Error( ERROR_NOACCESS );
return FALSE;
}
*msg_out = msg;
return TRUE;
}
/***********************************************************************
* NtUserGetMessage (win32u.@)
*/
BOOL WINAPI NtUserGetMessage( 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_check_not_lock();
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;
}
/***********************************************************************
* 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)
{
struct post_dde_message_params params;
void *ret_ptr;
ULONG ret_len;
params.hwnd = info->hwnd;
params.msg = info->msg;
params.wparam = info->wparam;
params.lparam = info->lparam;
params.dest_tid = info->dest_tid;
params.type = info->type;
return KeUserModeCallback( NtUserPostDDEMessage, &params, sizeof(params), &ret_ptr, &ret_len );
}
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 */
RtlSetLastWin32Error( ERROR_INVALID_THREAD_ID );
else
RtlSetLastWin32Error( RtlNtStatusToDosError(res) );
}
}
SERVER_END_REQ;
return !res;
}
/***********************************************************************
* 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;
}
wait_message( 1, &server_queue, INFINITE, wake_mask, 0 );
}
}
/***********************************************************************
* 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 )
{
unsigned int status;
void *reply_data = NULL;
if (reply_size)
{
if (!(reply_data = malloc( 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 );
free( reply_data );
TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx got reply %lx (err=%d)\n",
info->hwnd, info->msg, debugstr_msg_name(info->msg, info->hwnd), (long)info->wparam,
info->lparam, *result, status );
/* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
if (status) RtlSetLastWin32Error( 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, debugstr_msg_name(info->msg, info->hwnd),
(long)info->wparam, info->lparam );
user_check_not_lock();
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 );
}
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 );
}
/***********************************************************************
* send_internal_message_timeout
*
* Same as SendMessageTimeoutW but sends the message to a specific thread
* without requiring a window handle. Only works for internal Wine messages.
*/
LRESULT send_internal_message_timeout( DWORD dest_pid, DWORD dest_tid,
UINT msg, WPARAM wparam, LPARAM lparam,
UINT flags, UINT timeout, PDWORD_PTR res_ptr )
{
LRESULT ret, result = 0;
assert( msg & 0x80000000 ); /* must be an internal Wine message */
if (is_exiting_thread( dest_tid )) return 0;
if (dest_tid == GetCurrentThreadId())
{
result = handle_internal_message( 0, msg, wparam, lparam );
ret = 1;
}
else
{
struct send_message_info info;
info.type = dest_pid == GetCurrentProcessId() ? MSG_UNICODE : MSG_OTHER_PROCESS;
info.dest_tid = dest_tid;
info.hwnd = 0;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = flags;
info.timeout = timeout;
info.params = NULL;
ret = send_inter_thread_message( &info, &result );
}
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 send_message_info info;
int prev_x, prev_y, new_x, new_y;
USAGE hid_usage_page, hid_usage;
NTSTATUS ret;
BOOL wait, affects_key_state = FALSE;
info.type = MSG_HARDWARE;
info.dest_tid = 0;
info.hwnd = hwnd;
info.flags = 0;
info.timeout = 0;
info.params = NULL;
if (input->type == INPUT_MOUSE && (input->mi.dwFlags & (MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_RIGHTDOWN)))
clip_fullscreen_window( hwnd, FALSE );
if (input->type == INPUT_HARDWARE && rawinput->header.dwType == RIM_TYPEHID)
{
if (input->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->hi.uMsg == WM_INPUT &&
!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->mi.dx;
req->input.mouse.y = input->mi.dy;
req->input.mouse.data = input->mi.mouseData;
req->input.mouse.flags = input->mi.dwFlags;
req->input.mouse.time = input->mi.time;
req->input.mouse.info = input->mi.dwExtraInfo;
affects_key_state = !!(input->mi.dwFlags & (MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_LEFTUP |
MOUSEEVENTF_RIGHTDOWN | MOUSEEVENTF_RIGHTUP |
MOUSEEVENTF_MIDDLEDOWN | MOUSEEVENTF_MIDDLEUP |
MOUSEEVENTF_XDOWN | MOUSEEVENTF_XUP));
break;
case INPUT_KEYBOARD:
req->input.kbd.vkey = input->ki.wVk;
req->input.kbd.scan = input->ki.wScan;
req->input.kbd.flags = input->ki.dwFlags;
req->input.kbd.time = input->ki.time;
req->input.kbd.info = input->ki.dwExtraInfo;
affects_key_state = TRUE;
break;
case INPUT_HARDWARE:
req->input.hw.msg = input->hi.uMsg;
req->input.hw.lparam = MAKELONG( input->hi.wParamL, input->hi.wParamH );
switch (input->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;
}
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 (affects_key_state)
InterlockedIncrement( &global_key_state_counter ); /* force refreshing the key state cache */
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;
}
/**********************************************************************
* NtUserDispatchMessage (win32u.@)
*/
LRESULT WINAPI NtUserDispatchMessage( const MSG *msg )
{
struct win_proc_params params;
LRESULT retval = 0;
/* Process timer messages */
if (msg->lParam && msg->message == WM_TIMER)
{
params.func = (WNDPROC)msg->lParam;
if (!init_win_proc_params( &params, msg->hwnd, msg->message,
msg->wParam, NtGetTickCount(), FALSE ))
return 0;
return dispatch_win_proc_params( &params, sizeof(params), NULL, NULL );
}
if (msg->message == WM_SYSTIMER)
{
switch (msg->wParam)
{
case SYSTEM_TIMER_CARET:
toggle_caret( msg->hwnd );
return 0;
case SYSTEM_TIMER_TRACK_MOUSE:
update_mouse_tracking_info( msg->hwnd );
return 0;
}
}
if (!msg->hwnd) return 0;
spy_enter_message( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message, msg->wParam, msg->lParam );
if (init_window_call_params( &params, msg->hwnd, msg->message, msg->wParam, msg->lParam,
FALSE, WMCHAR_MAP_DISPATCHMESSAGE ))
retval = dispatch_win_proc_params( &params, sizeof(params), NULL, NULL );
else if (!is_window( msg->hwnd )) RtlSetLastWin32Error( ERROR_INVALID_WINDOW_HANDLE );
else RtlSetLastWin32Error( ERROR_MESSAGE_SYNC_ONLY );
spy_exit_message( 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 = NtGdiCreateRectRgn( 0, 0, 0, 0 );
NtUserGetUpdateRgn( msg->hwnd, hrgn, TRUE );
NtGdiDeleteObjectApp( hrgn );
}
return retval;
}
static BOOL is_message_broadcastable( UINT msg )
{
return msg < WM_USER || msg >= 0xc000;
}
/***********************************************************************
* broadcast_message
*/
static BOOL broadcast_message( struct send_message_info *info, DWORD_PTR *res_ptr )
{
HWND *list;
if (is_message_broadcastable( info->msg ) &&
(list = list_window_children( 0, get_desktop_window(), NULL, 0 )))
{
int i;
for (i = 0; list[i]; i++)
{
if (!is_window(list[i])) continue;
if ((get_window_long( list[i], GWL_STYLE ) & (WS_POPUP|WS_CHILD)) == WS_CHILD)
continue;
switch(info->type)
{
case MSG_UNICODE:
case MSG_OTHER_PROCESS:
send_message_timeout( list[i], info->msg, info->wparam, info->lparam,
info->flags, info->timeout, FALSE );
break;
case MSG_ASCII:
send_message_timeout( list[i], info->msg, info->wparam, info->lparam,
info->flags, info->timeout, TRUE );
break;
case MSG_NOTIFY:
NtUserMessageCall( list[i], info->msg, info->wparam, info->lparam,
0, NtUserSendNotifyMessage, FALSE );
break;
case MSG_CALLBACK:
{
struct send_message_callback_params params =
{ .callback = info->callback, .data = info->data };
NtUserMessageCall( list[i], info->msg, info->wparam, info->lparam,
&params, NtUserSendMessageCallback, FALSE );
break;
}
case MSG_POSTED:
NtUserPostMessage( list[i], info->msg, info->wparam, info->lparam );
break;
default:
ERR( "bad type %d\n", info->type );
break;
}
}
free( list );
}
if (res_ptr) *res_ptr = 1;
return TRUE;
}
static BOOL process_packed_message( struct send_message_info *info, LRESULT *res_ptr, BOOL ansi )
{
struct user_thread_info *thread_info = get_user_thread_info();
struct received_message_info receive_info;
struct packed_message data;
size_t buffer_size = 0, i;
void *buffer = NULL;
char *ptr;
pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
if (data.count == -1) return FALSE;
for (i = 0; i < data.count; i++) buffer_size += data.size[i];
if (!(buffer = malloc( buffer_size ))) return FALSE;
for (ptr = buffer, i = 0; i < data.count; i++)
{
memcpy( ptr, data.data[i], data.size[i] );
ptr += data.size[i];
}
receive_info.type = MSG_CLIENT_MESSAGE;
receive_info.msg.hwnd = info->hwnd;
receive_info.msg.message = info->msg;
receive_info.msg.wParam = info->wparam;
receive_info.msg.lParam = info->lparam;
receive_info.flags = 0;
receive_info.prev = thread_info->receive_info;
thread_info->receive_info = &receive_info;
*res_ptr = call_window_proc( info->hwnd, info->msg, info->wparam, info->lparam,
!ansi, TRUE, info->wm_char, TRUE, buffer, buffer_size );
if (thread_info->receive_info == &receive_info)
thread_info->receive_info = receive_info.prev;
free( buffer );
return TRUE;
}
static inline void *get_buffer( void *static_buffer, size_t size, size_t need )
{
if (size >= need) return static_buffer;
return malloc( need );
}
static inline void free_buffer( void *static_buffer, void *buffer )
{
if (buffer != static_buffer) free( buffer );
}
typedef LRESULT (*winproc_callback_t)( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
LRESULT *result, void *arg );
/**********************************************************************
* test_lb_for_string
*
* Return TRUE if the lparam is a string
*/
static inline BOOL test_lb_for_string( HWND hwnd, UINT msg )
{
DWORD style = get_window_long( hwnd, GWL_STYLE );
if (msg <= CB_MSGMAX)
return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
else
return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
}
static CPTABLEINFO *get_input_codepage( void )
{
const NLS_LOCALE_DATA *locale;
HKL hkl = NtUserGetKeyboardLayout( 0 );
CPTABLEINFO *ret = NULL;
locale = get_locale_data( LOWORD(hkl) );
if (locale && locale->idefaultansicodepage != CP_UTF8)
ret = get_cptable( locale->idefaultansicodepage );
return ret ? ret : &ansi_cp;
}
/***********************************************************************
* map_wparam_AtoW
*
* Convert the wparam of an ASCII message to Unicode.
*/
static BOOL map_wparam_AtoW( UINT message, WPARAM *wparam, enum wm_char_mapping mapping )
{
char ch[2];
WCHAR wch[2];
wch[0] = wch[1] = 0;
switch(message)
{
case WM_CHARTOITEM:
case EM_SETPASSWORDCHAR:
case WM_DEADCHAR:
case WM_SYSCHAR:
case WM_SYSDEADCHAR:
case WM_MENUCHAR:
ch[0] = LOBYTE(*wparam);
ch[1] = HIBYTE(*wparam);
win32u_mbtowc( get_input_codepage(), wch, 2, ch, 2 );
*wparam = MAKEWPARAM(wch[0], wch[1]);
break;
case WM_IME_CHAR:
ch[0] = HIBYTE(*wparam);
ch[1] = LOBYTE(*wparam);
if (ch[0]) win32u_mbtowc( get_input_codepage(), wch, 2, ch, 2 );
else win32u_mbtowc( get_input_codepage(), wch, 1, ch + 1, 1 );
*wparam = MAKEWPARAM(wch[0], HIWORD(*wparam));
break;
}
return TRUE;
}
/**********************************************************************
* call_messageAtoW
*
* Call a window procedure, translating args from Ansi to Unicode.
*/
static LRESULT call_messageAtoW( winproc_callback_t callback, HWND hwnd, UINT msg, WPARAM wparam,
LPARAM lparam, LRESULT *result, void *arg, enum wm_char_mapping mapping )
{
LRESULT ret = 0;
TRACE( "(hwnd=%p,msg=%s,wp=%#lx,lp=%#lx)\n", hwnd, debugstr_msg_name( msg, hwnd ),
(long)wparam, (long)lparam );
switch(msg)
{
case WM_MDICREATE:
{
WCHAR *ptr, buffer[512];
DWORD title_lenA = 0, title_lenW = 0, class_lenA = 0, class_lenW = 0;
MDICREATESTRUCTA *csA = (MDICREATESTRUCTA *)lparam;
MDICREATESTRUCTW csW;
memcpy( &csW, csA, sizeof(csW) );
if (!IS_INTRESOURCE(csA->szTitle))
{
title_lenA = strlen(csA->szTitle) + 1;
title_lenW = win32u_mbtowc_size( &ansi_cp, csA->szTitle, title_lenA );
}
if (!IS_INTRESOURCE(csA->szClass))
{
class_lenA = strlen(csA->szClass) + 1;
class_lenW = win32u_mbtowc_size( &ansi_cp, csA->szClass, class_lenA );
}
if (!(ptr = get_buffer( buffer, sizeof(buffer), (title_lenW + class_lenW) * sizeof(WCHAR) )))
break;
if (title_lenW)
{
csW.szTitle = ptr;
win32u_mbtowc( &ansi_cp, ptr, title_lenW, csA->szTitle, title_lenA );
}
if (class_lenW)
{
csW.szClass = ptr + title_lenW;
win32u_mbtowc( &ansi_cp, ptr + title_lenW, class_lenW, csA->szClass, class_lenA );
}
ret = callback( hwnd, msg, wparam, (LPARAM)&csW, result, arg );
free_buffer( buffer, ptr );
}
break;
case WM_GETTEXT:
case WM_ASKCBFORMATNAME:
{
WCHAR *ptr, buffer[512];
LPSTR str = (LPSTR)lparam;
DWORD len = wparam * sizeof(WCHAR);
if (!(ptr = get_buffer( buffer, sizeof(buffer), len ))) break;
ret = callback( hwnd, msg, wparam, (LPARAM)ptr, result, arg );
if (wparam)
{
len = 0;
len = *result ? win32u_wctomb( &ansi_cp, str, wparam - 1, ptr, *result ) : 0;
str[len] = 0;
*result = len;
}
free_buffer( buffer, ptr );
}
break;
case LB_ADDSTRING:
case LB_INSERTSTRING:
case LB_FINDSTRING:
case LB_FINDSTRINGEXACT:
case LB_SELECTSTRING:
case CB_ADDSTRING:
case CB_INSERTSTRING:
case CB_FINDSTRING:
case CB_FINDSTRINGEXACT:
case CB_SELECTSTRING:
if (!lparam || !test_lb_for_string( hwnd, msg ))
{
ret = callback( hwnd, msg, wparam, lparam, result, arg );
break;
}
/* fall through */
case WM_SETTEXT:
case WM_WININICHANGE:
case WM_DEVMODECHANGE:
case CB_DIR:
case LB_DIR:
case LB_ADDFILE:
case EM_REPLACESEL:
if (!lparam)
{
ret = callback( hwnd, msg, wparam, lparam, result, arg );
}
else
{
WCHAR *ptr, buffer[512];
LPCSTR strA = (LPCSTR)lparam;
DWORD lenW, lenA = strlen(strA) + 1;
lenW = win32u_mbtowc_size( &ansi_cp, strA, lenA );
if ((ptr = get_buffer( buffer, sizeof(buffer), lenW * sizeof(WCHAR) )))
{
win32u_mbtowc( &ansi_cp, ptr, lenW, strA, lenA );
ret = callback( hwnd, msg, wparam, (LPARAM)ptr, result, arg );
free_buffer( buffer, ptr );
}
}
break;
case EM_GETLINE:
{
WCHAR *ptr, buffer[512];
WORD len = *(WORD *)lparam;
if (!(ptr = get_buffer( buffer, sizeof(buffer), len * sizeof(WCHAR) ))) break;
*((WORD *)ptr) = len; /* store the length */
ret = callback( hwnd, msg, wparam, (LPARAM)ptr, result, arg );
if (*result)
{
DWORD reslen;
reslen = win32u_wctomb( &ansi_cp, (char *)lparam, len, ptr, *result );
if (reslen < len) ((LPSTR)lparam)[reslen] = 0;
*result = reslen;
}
free_buffer( buffer, ptr );
}
break;
case WM_GETDLGCODE:
if (lparam)
{
MSG newmsg = *(MSG *)lparam;
if (map_wparam_AtoW( newmsg.message, &newmsg.wParam, WMCHAR_MAP_NOMAPPING ))
ret = callback( hwnd, msg, wparam, (LPARAM)&newmsg, result, arg );
}
else ret = callback( hwnd, msg, wparam, lparam, result, arg );
break;
case WM_CHARTOITEM:
case WM_MENUCHAR:
case WM_DEADCHAR:
case WM_SYSCHAR:
case WM_SYSDEADCHAR:
case EM_SETPASSWORDCHAR:
case WM_IME_CHAR:
if (map_wparam_AtoW( msg, &wparam, mapping ))
ret = callback( hwnd, msg, wparam, lparam, result, arg );
break;
case WM_GETTEXTLENGTH:
case CB_GETLBTEXTLEN:
case LB_GETTEXTLEN:
ret = callback( hwnd, msg, wparam, lparam, result, arg );
if (*result >= 0)
{
WCHAR *ptr, buffer[512];
LRESULT res;
DWORD len = *result + 1;
/* Determine respective GETTEXT message */
UINT msg_get_text = msg == WM_GETTEXTLENGTH ? WM_GETTEXT :
(msg == CB_GETLBTEXTLEN ? CB_GETLBTEXT : LB_GETTEXT);
/* wparam differs between the messages */
WPARAM wp = msg == WM_GETTEXTLENGTH ? len : wparam;
if (!(ptr = get_buffer( buffer, sizeof(buffer), len * sizeof(WCHAR) ))) break;
res = send_message( hwnd, msg_get_text, wp, (LPARAM)ptr );
*result = win32u_wctomb_size( &ansi_cp, ptr, res );
free_buffer( buffer, ptr );
}
break;
default:
ret = callback( hwnd, msg, wparam, lparam, result, arg );
break;
}
return ret;
}
/***********************************************************************
* process_message
*
* Backend implementation of the various SendMessage functions.
*/
static BOOL process_message( struct send_message_info *info, DWORD_PTR *res_ptr, BOOL ansi )
{
struct ntuser_thread_info *thread_info = NtUserGetThreadInfo();
INPUT_MESSAGE_SOURCE prev_source = thread_info->msg_source;
DWORD dest_pid;
BOOL ret;
LRESULT result = 0;
if (is_broadcast( info->hwnd )) return broadcast_message( info, res_ptr );
if (!(info->dest_tid = get_window_thread( info->hwnd, &dest_pid ))) return FALSE;
if (is_exiting_thread( info->dest_tid )) return FALSE;
if (info->params && info->dest_tid == GetCurrentThreadId() &&
!is_hooked( WH_CALLWNDPROC ) && !is_hooked( WH_CALLWNDPROCRET ) &&
thread_info->recursion_count <= MAX_WINPROC_RECURSION)
{
/* if we're called from client side and need just a simple winproc call,
* just fill dispatch params and let user32 do the rest */
return init_window_call_params( info->params, info->hwnd, info->msg, info->wparam, info->lparam,
ansi, info->wm_char );
}
thread_info->msg_source = msg_source_unavailable;
spy_enter_message( SPY_SENDMESSAGE, info->hwnd, info->msg, info->wparam, info->lparam );
if (info->dest_tid != GetCurrentThreadId())
{
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 (ansi && (info->type != MSG_ASCII || info->msg == WM_CHAR))
ret = call_messageAtoW( 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 );
}
else if (info->type != MSG_OTHER_PROCESS)
{
result = call_window_proc( info->hwnd, info->msg, info->wparam, info->lparam,
!ansi, TRUE, info->wm_char, FALSE, NULL, 0 );
if (info->type == MSG_CALLBACK)
call_sendmsg_callback( info->callback, info->hwnd, info->msg, info->data, result );
ret = TRUE;
}
else
{
ret = process_packed_message( info, &result, ansi );
}
spy_exit_message( 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;
}
/***********************************************************************
* NtUserSetTimer (win32u.@)
*/
UINT_PTR WINAPI NtUserSetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc, ULONG tolerance )
{
UINT_PTR ret;
WNDPROC winproc = 0;
if (proc) winproc = alloc_winproc( (WNDPROC)proc, TRUE );
timeout = min( max( USER_TIMER_MINIMUM, timeout ), USER_TIMER_MAXIMUM );
SERVER_START_REQ( set_win_timer )
{
req->win = wine_server_user_handle( hwnd );
req->msg = WM_TIMER;
req->id = id;
req->rate = timeout;
req->lparam = (ULONG_PTR)winproc;
if (!wine_server_call_err( req ))
{
ret = reply->id;
if (!ret) ret = TRUE;
}
else ret = 0;
}
SERVER_END_REQ;
TRACE( "Added %p %lx %p timeout %d\n", hwnd, (long)id, winproc, timeout );
return ret;
}
/***********************************************************************
* NtUserSetSystemTimer (win32u.@)
*/
UINT_PTR WINAPI NtUserSetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout )
{
UINT_PTR ret;
TRACE( "window %p, id %#lx, timeout %u\n", hwnd, (long)id, timeout );
timeout = min( max( USER_TIMER_MINIMUM, timeout ), USER_TIMER_MAXIMUM );
SERVER_START_REQ( set_win_timer )
{
req->win = wine_server_user_handle( hwnd );
req->msg = WM_SYSTIMER;
req->id = id;
req->rate = timeout;
req->lparam = 0;
if (!wine_server_call_err( req ))
{
ret = reply->id;
if (!ret) ret = TRUE;
}
else ret = 0;
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* NtUserKillTimer (win32u.@)
*/
BOOL WINAPI NtUserKillTimer( HWND hwnd, UINT_PTR id )
{
BOOL ret;
SERVER_START_REQ( kill_win_timer )
{
req->win = wine_server_user_handle( hwnd );
req->msg = WM_TIMER;
req->id = id;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/* see KillSystemTimer */
BOOL kill_system_timer( HWND hwnd, UINT_PTR id )
{
BOOL ret;
SERVER_START_REQ( kill_win_timer )
{
req->win = wine_server_user_handle( hwnd );
req->msg = WM_SYSTIMER;
req->id = id;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
static LRESULT send_window_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
struct win_proc_params *client_params, BOOL ansi )
{
struct send_message_info info;
DWORD_PTR res = 0;
info.type = ansi ? MSG_ASCII : MSG_UNICODE;
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;
info.params = client_params;
process_message( &info, &res, ansi );
return res;
}
/* see SendMessageTimeoutW */
static LRESULT send_client_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
UINT flags, UINT timeout, DWORD_PTR *res_ptr, BOOL ansi )
{
struct send_message_info info;
info.type = ansi ? MSG_ASCII : MSG_UNICODE;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = flags;
info.timeout = timeout;
info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
info.params = NULL;
return process_message( &info, res_ptr, ansi );
}
LRESULT send_message_timeout( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
UINT flags, UINT timeout, BOOL ansi )
{
struct send_message_info info;
DWORD_PTR res = 0;
if (!is_pointer_message( msg, wparam ))
{
send_client_message( hwnd, msg, wparam, lparam, flags, timeout, &res, ansi );
return res;
}
info.type = MSG_OTHER_PROCESS;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = flags;
info.timeout = timeout;
info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
info.params = NULL;
process_message( &info, &res, ansi );
return res;
}
/* see SendMessageW */
LRESULT send_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
return send_message_timeout( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, FALSE );
}
/* see SendNotifyMessageW */
BOOL send_notify_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam, BOOL ansi )
{
struct send_message_info info;
if (is_pointer_message( msg, wparam ))
{
RtlSetLastWin32Error( 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;
info.params = NULL;
return process_message( &info, NULL, ansi );
}
/* see SendMessageCallbackW */
static BOOL send_message_callback( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
const struct send_message_callback_params *params, BOOL ansi )
{
struct send_message_info info;
if (is_pointer_message( msg, wparam ))
{
RtlSetLastWin32Error( ERROR_MESSAGE_SYNC_ONLY );
return FALSE;
}
info.type = MSG_CALLBACK;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.callback = params->callback;
info.data = params->data;
info.flags = 0;
info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
info.params = NULL;
return process_message( &info, NULL, ansi );
}
/***********************************************************************
* NtUserPostMessage (win32u.@)
*/
BOOL WINAPI NtUserPostMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
struct send_message_info info;
if (is_pointer_message( msg, wparam ))
{
RtlSetLastWin32Error( ERROR_MESSAGE_SYNC_ONLY );
return FALSE;
}
TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
hwnd, msg, debugstr_msg_name(msg, hwnd), (long)wparam, lparam );
info.type = MSG_POSTED;
info.hwnd = hwnd;
info.msg = msg;
info.wparam = wparam;
info.lparam = lparam;
info.flags = 0;
info.params = NULL;
if (is_broadcast(hwnd)) return broadcast_message( &info, NULL );
if (!hwnd) return NtUserPostThreadMessage( GetCurrentThreadId(), msg, wparam, lparam );
if (!(info.dest_tid = get_window_thread( hwnd, NULL ))) return FALSE;
if (is_exiting_thread( info.dest_tid )) return TRUE;
return put_message_in_queue( &info, NULL );
}
/**********************************************************************
* NtUserPostThreadMessage (win32u.@)
*/
BOOL WINAPI NtUserPostThreadMessage( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
{
struct send_message_info info;
if (is_pointer_message( msg, wparam ))
{
RtlSetLastWin32Error( ERROR_MESSAGE_SYNC_ONLY );
return FALSE;
}
if (is_exiting_thread( 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;
info.params = NULL;
return put_message_in_queue( &info, NULL );
}
LRESULT WINAPI NtUserMessageCall( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
void *result_info, DWORD type, BOOL ansi )
{
switch (type)
{
case NtUserScrollBarWndProc:
return scroll_bar_window_proc( hwnd, msg, wparam, lparam, ansi );
case NtUserPopupMenuWndProc:
return popup_menu_window_proc( hwnd, msg, wparam, lparam );
case NtUserDesktopWindowProc:
return desktop_window_proc( hwnd, msg, wparam, lparam );
case NtUserDefWindowProc:
return default_window_proc( hwnd, msg, wparam, lparam, ansi );
case NtUserCallWindowProc:
return init_win_proc_params( (struct win_proc_params *)result_info, hwnd, msg,
wparam, lparam, ansi );
case NtUserSendMessage:
return send_window_message( hwnd, msg, wparam, lparam, result_info, ansi );
case NtUserSendMessageTimeout:
{
struct send_message_timeout_params *params = (void *)result_info;
DWORD_PTR res = 0;
params->result = send_client_message( hwnd, msg, wparam, lparam, params->flags,
params->timeout, &res, ansi );
return res;
}
case NtUserSendNotifyMessage:
return send_notify_message( hwnd, msg, wparam, lparam, ansi );
case NtUserSendMessageCallback:
return send_message_callback( hwnd, msg, wparam, lparam, result_info, ansi );
case NtUserClipboardWindowProc:
return user_driver->pClipboardWindowProc( hwnd, msg, wparam, lparam );
case NtUserWinProcResult:
return reply_winproc_result( (LRESULT)result_info, hwnd, msg, wparam, lparam );
case NtUserGetDispatchParams:
if (!hwnd) return FALSE;
if (init_window_call_params( result_info, hwnd, msg, wparam, lparam,
ansi, WMCHAR_MAP_DISPATCHMESSAGE ))
return TRUE;
if (!is_window( hwnd )) RtlSetLastWin32Error( ERROR_INVALID_WINDOW_HANDLE );
else RtlSetLastWin32Error( ERROR_MESSAGE_SYNC_ONLY );
return FALSE;
case NtUserSendDriverMessage:
/* used by driver to send packed messages */
return send_message( hwnd, msg, wparam, lparam );
case NtUserSpyEnter:
spy_enter_message( ansi, hwnd, msg, wparam, lparam );
return 0;
case NtUserSpyGetMsgName:
lstrcpynA( result_info, debugstr_msg_name( msg, hwnd ), wparam );
return 0;
case NtUserSpyExit:
spy_exit_message( ansi, hwnd, msg, (LPARAM)result_info, wparam, lparam );
return 0;
case NtUserImeDriverCall:
return ime_driver_call( hwnd, msg, wparam, lparam, result_info );
default:
FIXME( "%p %x %lx %lx %p %x %x\n", hwnd, msg, (long)wparam, lparam, result_info, (int)type, ansi );
}
return 0;
}
/***********************************************************************
* NtUserTranslateMessage (win32u.@)
*/
BOOL WINAPI NtUserTranslateMessage( const MSG *msg, UINT flags )
{
UINT message;
WCHAR wp[8];
BYTE state[256];
INT len;
if (flags) FIXME( "unsupported flags %x\n", flags );
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 (%04x), scancode %04x\n",
debugstr_vkey_name( msg->wParam ), LOWORD(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,
debugstr_msg_name( message, msg->hwnd ),
HIWORD(msg->lParam), LOWORD(msg->lParam) );
NtUserPostMessage( 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 = NtUserToUnicodeEx( msg->wParam, HIWORD(msg->lParam), state, wp, ARRAY_SIZE(wp), 0,
NtUserGetKeyboardLayout(0) );
if (len == -1)
{
message = msg->message == WM_KEYDOWN ? WM_DEADCHAR : WM_SYSDEADCHAR;
TRACE_(key)( "-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
msg->hwnd, debugstr_msg_name( message, msg->hwnd ), wp[0], msg->lParam );
NtUserPostMessage( 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,
debugstr_msg_name(message, msg->hwnd), msg->lParam, debugstr_wn(wp, len) );
for (i = 0; i < len; i++)
NtUserPostMessage( msg->hwnd, message, wp[i], msg->lParam );
}
return TRUE;
}
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