Sweden-Number/dlls/user32/winproc.c

1569 lines
53 KiB
C

/*
* Window procedure callbacks
*
* Copyright 1995 Martin von Loewis
* Copyright 1996 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "wingdi.h"
#include "controls.h"
#include "win.h"
#include "dbt.h"
#include "user_private.h"
#include "wine/asm.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msg);
WINE_DECLARE_DEBUG_CHANNEL(relay);
#define WINPROC_PROC16 ((void *)1) /* placeholder for 16-bit window procs */
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;
};
static inline void *get_buffer( void *static_buffer, size_t size, size_t need )
{
if (size >= need) return static_buffer;
return HeapAlloc( GetProcessHeap(), 0, need );
}
static inline void free_buffer( void *static_buffer, void *buffer )
{
if (buffer != static_buffer) HeapFree( GetProcessHeap(), 0, buffer );
}
/* return the window proc for a given handle, or NULL for an invalid handle,
* or WINPROC_PROC16 for a handle to a 16-bit proc. */
static inline WINDOWPROC *handle_to_proc( WNDPROC handle )
{
return (WINDOWPROC *)NtUserCallOneParam( HandleToUlong(handle), NtUserGetWinProcPtr );
}
#ifdef __i386__
/* Some window procedures modify registers they shouldn't, or are not
* properly declared stdcall; so we need a small assembly wrapper to
* call them. */
extern LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam );
__ASM_GLOBAL_FUNC( WINPROC_wrapper,
"pushl %ebp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
__ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
"movl %esp,%ebp\n\t"
__ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
"pushl %edi\n\t"
__ASM_CFI(".cfi_rel_offset %edi,-4\n\t")
"pushl %esi\n\t"
__ASM_CFI(".cfi_rel_offset %esi,-8\n\t")
"pushl %ebx\n\t"
__ASM_CFI(".cfi_rel_offset %ebx,-12\n\t")
/* TreePad X Enterprise assumes that edi is < 0x80000000 in WM_TIMER messages */
"xorl %edi,%edi\n\t"
"subl $12,%esp\n\t"
"pushl 24(%ebp)\n\t"
"pushl 20(%ebp)\n\t"
"pushl 16(%ebp)\n\t"
"pushl 12(%ebp)\n\t"
"movl 8(%ebp),%eax\n\t"
"call *%eax\n\t"
"leal -12(%ebp),%esp\n\t"
"popl %ebx\n\t"
__ASM_CFI(".cfi_same_value %ebx\n\t")
"popl %esi\n\t"
__ASM_CFI(".cfi_same_value %esi\n\t")
"popl %edi\n\t"
__ASM_CFI(".cfi_same_value %edi\n\t")
"leave\n\t"
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
__ASM_CFI(".cfi_same_value %ebp\n\t")
"ret" )
#else
static inline LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam )
{
return proc( hwnd, msg, wParam, lParam );
}
#endif /* __i386__ */
static WPARAM map_wparam_char_WtoA( WPARAM wParam, DWORD len )
{
WCHAR wch = wParam;
BYTE ch[2];
DWORD cp = get_input_codepage();
len = WideCharToMultiByte( cp, 0, &wch, 1, (LPSTR)ch, len, NULL, NULL );
if (len == 2)
return MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(wParam) );
else
return MAKEWPARAM( ch[0], HIWORD(wParam) );
}
/* call a 32-bit window procedure */
static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp, LRESULT *result, void *arg )
{
WNDPROC proc = arg;
TRACE_(relay)( "\1Call window proc %p (hwnd=%p,msg=%s,wp=%08lx,lp=%08lx)\n",
proc, hwnd, SPY_GetMsgName(msg, hwnd), wp, lp );
*result = WINPROC_wrapper( proc, hwnd, msg, wp, lp );
TRACE_(relay)( "\1Ret window proc %p (hwnd=%p,msg=%s,wp=%08lx,lp=%08lx) retval=%08lx\n",
proc, hwnd, SPY_GetMsgName(msg, hwnd), wp, lp, *result );
return *result;
}
/* call a 32-bit dialog procedure */
static LRESULT call_dialog_proc( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp, LRESULT *result, void *arg )
{
DPI_AWARENESS_CONTEXT context;
WNDPROC proc = arg;
LRESULT ret;
USER_CheckNotLock();
hwnd = WIN_GetFullHandle( hwnd );
TRACE_(relay)( "\1Call dialog proc %p (hwnd=%p,msg=%s,wp=%08lx,lp=%08lx)\n",
proc, hwnd, SPY_GetMsgName(msg, hwnd), wp, lp );
context = SetThreadDpiAwarenessContext( GetWindowDpiAwarenessContext( hwnd ));
ret = WINPROC_wrapper( proc, hwnd, msg, wp, lp );
*result = GetWindowLongPtrW( hwnd, DWLP_MSGRESULT );
SetThreadDpiAwarenessContext( context );
TRACE_(relay)( "\1Ret dialog proc %p (hwnd=%p,msg=%s,wp=%08lx,lp=%08lx) retval=%08lx result=%08lx\n",
proc, hwnd, SPY_GetMsgName(msg, hwnd), wp, lp, ret, *result );
return ret;
}
/**********************************************************************
* WINPROC_AllocProc
*
* Allocate a window procedure for a window or class.
*
* Note that allocated winprocs are never freed; the idea is that even if an app creates a
* lot of windows, it will usually only have a limited number of window procedures, so the
* array won't grow too large, and this way we avoid the need to track allocations per window.
*/
static WNDPROC WINPROC_AllocProc( WNDPROC func, BOOL unicode )
{
return (WNDPROC)NtUserCallTwoParam( (UINT_PTR)func, !unicode, NtUserAllocWinProc );
}
/**********************************************************************
* WINPROC_TestLBForStr
*
* Return TRUE if the lparam is a string
*/
static inline BOOL WINPROC_TestLBForStr( HWND hwnd, UINT msg )
{
DWORD style = GetWindowLongA( 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));
}
/**********************************************************************
* WINPROC_CallProcAtoW
*
* Call a window procedure, translating args from Ansi to Unicode.
*/
LRESULT WINPROC_CallProcAtoW( 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_(msg)("(hwnd=%p,msg=%s,wp=%08lx,lp=%08lx)\n",
hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
switch(msg)
{
case WM_NCCREATE:
case WM_CREATE:
{
WCHAR *ptr, buffer[512];
CREATESTRUCTA *csA = (CREATESTRUCTA *)lParam;
CREATESTRUCTW csW = *(CREATESTRUCTW *)csA;
MDICREATESTRUCTW mdi_cs;
DWORD name_lenA = 0, name_lenW = 0, class_lenA = 0, class_lenW = 0;
if (!IS_INTRESOURCE(csA->lpszClass))
{
class_lenA = strlen(csA->lpszClass) + 1;
RtlMultiByteToUnicodeSize( &class_lenW, csA->lpszClass, class_lenA );
}
if (!IS_INTRESOURCE(csA->lpszName))
{
name_lenA = strlen(csA->lpszName) + 1;
RtlMultiByteToUnicodeSize( &name_lenW, csA->lpszName, name_lenA );
}
if (!(ptr = get_buffer( buffer, sizeof(buffer), class_lenW + name_lenW ))) break;
if (class_lenW)
{
csW.lpszClass = ptr;
RtlMultiByteToUnicodeN( ptr, class_lenW, NULL, csA->lpszClass, class_lenA );
}
if (name_lenW)
{
csW.lpszName = ptr + class_lenW/sizeof(WCHAR);
RtlMultiByteToUnicodeN( ptr + class_lenW/sizeof(WCHAR), name_lenW, NULL,
csA->lpszName, name_lenA );
}
if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
{
mdi_cs = *(MDICREATESTRUCTW *)csA->lpCreateParams;
mdi_cs.szTitle = csW.lpszName;
mdi_cs.szClass = csW.lpszClass;
csW.lpCreateParams = &mdi_cs;
}
ret = callback( hwnd, msg, wParam, (LPARAM)&csW, result, arg );
free_buffer( buffer, ptr );
}
break;
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;
RtlMultiByteToUnicodeSize( &title_lenW, csA->szTitle, title_lenA );
}
if (!IS_INTRESOURCE(csA->szClass))
{
class_lenA = strlen(csA->szClass) + 1;
RtlMultiByteToUnicodeSize( &class_lenW, csA->szClass, class_lenA );
}
if (!(ptr = get_buffer( buffer, sizeof(buffer), title_lenW + class_lenW ))) break;
if (title_lenW)
{
csW.szTitle = ptr;
RtlMultiByteToUnicodeN( ptr, title_lenW, NULL, csA->szTitle, title_lenA );
}
if (class_lenW)
{
csW.szClass = ptr + title_lenW/sizeof(WCHAR);
RtlMultiByteToUnicodeN( ptr + title_lenW/sizeof(WCHAR), class_lenW, NULL,
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;
if (*result)
RtlUnicodeToMultiByteN( str, wParam - 1, &len, ptr, ret * sizeof(WCHAR) );
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 || !WINPROC_TestLBForStr( 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;
RtlMultiByteToUnicodeSize( &lenW, strA, lenA );
if ((ptr = get_buffer( buffer, sizeof(buffer), lenW )))
{
RtlMultiByteToUnicodeN( ptr, lenW, NULL, strA, lenA );
ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
free_buffer( buffer, ptr );
}
}
break;
case LB_GETTEXT:
case CB_GETLBTEXT:
if (lParam && WINPROC_TestLBForStr( hwnd, msg ))
{
WCHAR buffer[512]; /* FIXME: fixed sized buffer */
ret = callback( hwnd, msg, wParam, (LPARAM)buffer, result, arg );
if (*result >= 0)
{
DWORD len;
RtlUnicodeToMultiByteN( (LPSTR)lParam, ~0u, &len,
buffer, (lstrlenW(buffer) + 1) * sizeof(WCHAR) );
*result = len - 1;
}
}
else ret = callback( hwnd, msg, wParam, lParam, result, arg );
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;
RtlUnicodeToMultiByteN( (LPSTR)lParam, len, &reslen, ptr, *result * sizeof(WCHAR) );
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_CHAR:
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 tmp;
DWORD len = *result + 1;
/* Determine respective GETTEXT message */
UINT msgGetText = (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;
if (callback == call_window_proc) /* FIXME: hack */
callback( hwnd, msgGetText, wp, (LPARAM)ptr, &tmp, arg );
else
tmp = SendMessageW( hwnd, msgGetText, wp, (LPARAM)ptr );
RtlUnicodeToMultiByteSize( &len, ptr, tmp * sizeof(WCHAR) );
*result = len;
free_buffer( buffer, ptr );
}
break;
case WM_PAINTCLIPBOARD:
case WM_SIZECLIPBOARD:
FIXME_(msg)( "message %s (0x%x) needs translation, please report\n",
SPY_GetMsgName(msg, hwnd), msg );
break;
default:
ret = callback( hwnd, msg, wParam, lParam, result, arg );
break;
}
return ret;
}
/**********************************************************************
* WINPROC_CallProcWtoA
*
* Call a window procedure, translating args from Unicode to Ansi.
*/
static LRESULT WINPROC_CallProcWtoA( winproc_callback_t callback, HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam, LRESULT *result, void *arg )
{
LRESULT ret = 0;
TRACE_(msg)("(hwnd=%p,msg=%s,wp=%08lx,lp=%08lx)\n",
hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
switch(msg)
{
case WM_NCCREATE:
case WM_CREATE:
{
char buffer[1024], *cls;
CREATESTRUCTW *csW = (CREATESTRUCTW *)lParam;
CREATESTRUCTA csA = *(CREATESTRUCTA *)csW;
MDICREATESTRUCTA mdi_cs;
DWORD name_lenA = 0, name_lenW = 0, class_lenA = 0, class_lenW = 0;
if (!IS_INTRESOURCE(csW->lpszClass))
{
class_lenW = (lstrlenW(csW->lpszClass) + 1) * sizeof(WCHAR);
RtlUnicodeToMultiByteSize(&class_lenA, csW->lpszClass, class_lenW);
}
if (!IS_INTRESOURCE(csW->lpszName))
{
name_lenW = (lstrlenW(csW->lpszName) + 1) * sizeof(WCHAR);
RtlUnicodeToMultiByteSize(&name_lenA, csW->lpszName, name_lenW);
}
if (!(cls = get_buffer( buffer, sizeof(buffer), class_lenA + name_lenA ))) break;
if (class_lenA)
{
RtlUnicodeToMultiByteN(cls, class_lenA, NULL, csW->lpszClass, class_lenW);
csA.lpszClass = cls;
}
if (name_lenA)
{
char *name = cls + class_lenA;
RtlUnicodeToMultiByteN(name, name_lenA, NULL, csW->lpszName, name_lenW);
csA.lpszName = name;
}
if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
{
mdi_cs = *(MDICREATESTRUCTA *)csW->lpCreateParams;
mdi_cs.szTitle = csA.lpszName;
mdi_cs.szClass = csA.lpszClass;
csA.lpCreateParams = &mdi_cs;
}
ret = callback( hwnd, msg, wParam, (LPARAM)&csA, result, arg );
free_buffer( buffer, cls );
}
break;
case WM_GETTEXT:
case WM_ASKCBFORMATNAME:
{
char *ptr, buffer[512];
DWORD len = wParam * 2;
if (!(ptr = get_buffer( buffer, sizeof(buffer), len ))) break;
ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
if (len)
{
if (*result)
{
RtlMultiByteToUnicodeN( (LPWSTR)lParam, wParam*sizeof(WCHAR), &len, ptr, ret + 1 );
*result = len/sizeof(WCHAR) - 1; /* do not count terminating null */
}
((LPWSTR)lParam)[*result] = 0;
}
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 || !WINPROC_TestLBForStr( 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
{
char *ptr, buffer[512];
LPCWSTR strW = (LPCWSTR)lParam;
DWORD lenA, lenW = (lstrlenW(strW) + 1) * sizeof(WCHAR);
RtlUnicodeToMultiByteSize( &lenA, strW, lenW );
if ((ptr = get_buffer( buffer, sizeof(buffer), lenA )))
{
RtlUnicodeToMultiByteN( ptr, lenA, NULL, strW, lenW );
ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
free_buffer( buffer, ptr );
}
}
break;
case WM_MDICREATE:
{
char *ptr, buffer[1024];
DWORD title_lenA = 0, title_lenW = 0, class_lenA = 0, class_lenW = 0;
MDICREATESTRUCTW *csW = (MDICREATESTRUCTW *)lParam;
MDICREATESTRUCTA csA;
memcpy( &csA, csW, sizeof(csA) );
if (!IS_INTRESOURCE(csW->szTitle))
{
title_lenW = (lstrlenW(csW->szTitle) + 1) * sizeof(WCHAR);
RtlUnicodeToMultiByteSize( &title_lenA, csW->szTitle, title_lenW );
}
if (!IS_INTRESOURCE(csW->szClass))
{
class_lenW = (lstrlenW(csW->szClass) + 1) * sizeof(WCHAR);
RtlUnicodeToMultiByteSize( &class_lenA, csW->szClass, class_lenW );
}
if (!(ptr = get_buffer( buffer, sizeof(buffer), title_lenA + class_lenA ))) break;
if (title_lenA)
{
RtlUnicodeToMultiByteN( ptr, title_lenA, NULL, csW->szTitle, title_lenW );
csA.szTitle = ptr;
}
if (class_lenA)
{
RtlUnicodeToMultiByteN( ptr + title_lenA, class_lenA, NULL, csW->szClass, class_lenW );
csA.szClass = ptr + title_lenA;
}
ret = callback( hwnd, msg, wParam, (LPARAM)&csA, result, arg );
free_buffer( buffer, ptr );
}
break;
case LB_GETTEXT:
case CB_GETLBTEXT:
if (lParam && WINPROC_TestLBForStr( hwnd, msg ))
{
char buffer[512]; /* FIXME: fixed sized buffer */
ret = callback( hwnd, msg, wParam, (LPARAM)buffer, result, arg );
if (*result >= 0)
{
DWORD len;
RtlMultiByteToUnicodeN( (LPWSTR)lParam, ~0u, &len, buffer, strlen(buffer) + 1 );
*result = len / sizeof(WCHAR) - 1;
}
}
else ret = callback( hwnd, msg, wParam, lParam, result, arg );
break;
case EM_GETLINE:
{
char *ptr, buffer[512];
WORD len = *(WORD *)lParam;
if (!(ptr = get_buffer( buffer, sizeof(buffer), len * 2 ))) break;
*((WORD *)ptr) = len * 2; /* store the length */
ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
if (*result)
{
DWORD reslen;
RtlMultiByteToUnicodeN( (LPWSTR)lParam, len*sizeof(WCHAR), &reslen, ptr, *result );
*result = reslen / sizeof(WCHAR);
if (*result < len) ((LPWSTR)lParam)[*result] = 0;
}
free_buffer( buffer, ptr );
}
break;
case WM_GETDLGCODE:
if (lParam)
{
MSG newmsg = *(MSG *)lParam;
switch(newmsg.message)
{
case WM_CHAR:
case WM_DEADCHAR:
case WM_SYSCHAR:
case WM_SYSDEADCHAR:
newmsg.wParam = map_wparam_char_WtoA( newmsg.wParam, 1 );
break;
case WM_IME_CHAR:
newmsg.wParam = map_wparam_char_WtoA( newmsg.wParam, 2 );
break;
}
ret = callback( hwnd, msg, wParam, (LPARAM)&newmsg, result, arg );
}
else ret = callback( hwnd, msg, wParam, lParam, result, arg );
break;
case WM_CHAR:
{
WCHAR wch = wParam;
char ch[2];
DWORD cp = get_input_codepage();
DWORD len = WideCharToMultiByte( cp, 0, &wch, 1, ch, 2, NULL, NULL );
ret = callback( hwnd, msg, (BYTE)ch[0], lParam, result, arg );
if (len == 2) ret = callback( hwnd, msg, (BYTE)ch[1], lParam, result, arg );
}
break;
case WM_CHARTOITEM:
case WM_MENUCHAR:
case WM_DEADCHAR:
case WM_SYSCHAR:
case WM_SYSDEADCHAR:
case EM_SETPASSWORDCHAR:
ret = callback( hwnd, msg, map_wparam_char_WtoA(wParam,1), lParam, result, arg );
break;
case WM_IME_CHAR:
ret = callback( hwnd, msg, map_wparam_char_WtoA(wParam,2), lParam, result, arg );
break;
case WM_PAINTCLIPBOARD:
case WM_SIZECLIPBOARD:
FIXME_(msg)( "message %s (%04x) needs translation, please report\n",
SPY_GetMsgName(msg, hwnd), msg );
break;
default:
ret = callback( hwnd, msg, wParam, lParam, result, arg );
break;
}
return ret;
}
static void dispatch_win_proc_params( struct win_proc_params *params )
{
DPI_AWARENESS_CONTEXT context = SetThreadDpiAwarenessContext( params->dpi_awareness );
if (!params->ansi)
{
if (params->procW == WINPROC_PROC16)
WINPROC_CallProcWtoA( wow_handlers.call_window_proc, params->hwnd, params->msg, params->wparam,
params->lparam, params->result, params->func );
else if (params->is_dialog)
{
if (!params->ansi_dst)
{
if (params->procW)
call_window_proc( params->hwnd, params->msg, params->wparam, params->lparam,
params->result, params->procW );
else
call_window_proc( params->hwnd, params->msg, params->wparam, params->lparam,
params->result, params->func );
}
else
{
if (params->procA)
WINPROC_CallProcWtoA( call_window_proc, params->hwnd, params->msg, params->wparam,
params->lparam, params->result, params->procA );
else
WINPROC_CallProcWtoA( call_window_proc, params->hwnd, params->msg, params->wparam,
params->lparam, params->result, params->func );
}
}
else if (params->procW)
call_window_proc( params->hwnd, params->msg, params->wparam, params->lparam,
params->result, params->procW );
else if (params->procA)
WINPROC_CallProcWtoA( call_window_proc, params->hwnd, params->msg, params->wparam,
params->lparam, params->result, params->procA );
else if (!params->ansi_dst)
call_window_proc( params->hwnd, params->msg, params->wparam, params->lparam,
params->result, params->func );
else
WINPROC_CallProcWtoA( call_window_proc, params->hwnd, params->msg, params->wparam,
params->lparam, params->result, params->func );
}
else
{
if (params->procA == WINPROC_PROC16)
wow_handlers.call_window_proc( params->hwnd, params->msg, params->wparam, params->lparam,
params->result, params->func );
else if (params->is_dialog)
{
if (!params->ansi_dst)
{
if (params->procW)
WINPROC_CallProcAtoW( call_window_proc, params->hwnd, params->msg, params->wparam,
params->lparam, params->result, params->procW, params->mapping );
else
WINPROC_CallProcAtoW( call_window_proc, params->hwnd, params->msg, params->wparam,
params->lparam, params->result, params->func, params->mapping );
}
else
{
if (params->procA)
call_window_proc( params->hwnd, params->msg, params->wparam, params->lparam,
params->result, params->procA );
else
call_window_proc( params->hwnd, params->msg, params->wparam, params->lparam,
params->result, params->func );
}
}
else if (params->procA)
call_window_proc( params->hwnd, params->msg, params->wparam, params->lparam,
params->result, params->procA );
else if (params->procW)
WINPROC_CallProcAtoW( call_window_proc, params->hwnd, params->msg, params->wparam,
params->lparam, params->result, params->procW, params->mapping );
else if (!params->ansi_dst)
WINPROC_CallProcAtoW( call_window_proc, params->hwnd, params->msg, params->wparam,
params->lparam, params->result, params->func, params->mapping );
else
call_window_proc( params->hwnd, params->msg, params->wparam, params->lparam,
params->result, params->func );
}
SetThreadDpiAwarenessContext( context );
}
/* 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 = HeapAlloc( GetProcessHeap(), 0, size ))) return NULL;
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 = GetWindowLongA( hwnd, GWL_STYLE );
return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
}
/* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
static inline BOOL listbox_has_strings( HWND hwnd )
{
DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
}
/* 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;
}
/* convert a server handle to a generic handle */
static inline HANDLE unpack_handle( UINT handle )
{
return (HANDLE)(INT_PTR)(int)handle;
}
/* make sure that the buffer contains a valid null-terminated Unicode string */
static inline BOOL check_string( LPCWSTR str, size_t size )
{
for (size /= sizeof(WCHAR); size; size--, str++)
if (!*str) return TRUE;
return FALSE;
}
/***********************************************************************
* 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, prev_size = size;
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 = unpack_handle( ps->cs.hMenu );
cs.hwndParent = unpack_handle( ps->cs.hwndParent );
cs.cy = ps->cs.cy;
cs.cx = ps->cs.cx;
cs.y = ps->cs.y;
cs.x = ps->cs.x;
cs.style = ps->cs.style;
cs.dwExStyle = ps->cs.dwExStyle;
cs.lpszName = unpack_ptr( ps->cs.lpszName );
cs.lpszClass = unpack_ptr( ps->cs.lpszClass );
if (ps->cs.lpszName >> 16)
{
if (!check_string( str, size )) return FALSE;
cs.lpszName = str;
size -= (lstrlenW(str) + 1) * sizeof(WCHAR);
str += lstrlenW(str) + 1;
}
if (ps->cs.lpszClass >> 16)
{
if (!check_string( str, size )) return FALSE;
cs.lpszClass = str;
}
memcpy( &ps->cs, &cs, sizeof(cs) );
break;
}
case WM_GETTEXT:
case WM_ASKCBFORMATNAME:
if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)), 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:
if (!check_string( *buffer, size )) return FALSE;
break;
case WM_GETMINMAXINFO:
minsize = sizeof(MINMAXINFO);
break;
case WM_DRAWITEM:
{
DRAWITEMSTRUCT dis;
if (size < sizeof(ps->dis)) return FALSE;
dis.CtlType = ps->dis.CtlType;
dis.CtlID = ps->dis.CtlID;
dis.itemID = ps->dis.itemID;
dis.itemAction = ps->dis.itemAction;
dis.itemState = ps->dis.itemState;
dis.hwndItem = unpack_handle( ps->dis.hwndItem );
dis.hDC = unpack_handle( ps->dis.hDC );
dis.rcItem = ps->dis.rcItem;
dis.itemData = (ULONG_PTR)unpack_ptr( ps->dis.itemData );
memcpy( &ps->dis, &dis, sizeof(dis) );
break;
}
case WM_MEASUREITEM:
{
MEASUREITEMSTRUCT mis;
if (size < sizeof(ps->mis)) return FALSE;
mis.CtlType = ps->mis.CtlType;
mis.CtlID = ps->mis.CtlID;
mis.itemID = ps->mis.itemID;
mis.itemWidth = ps->mis.itemWidth;
mis.itemHeight = ps->mis.itemHeight;
mis.itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData );
memcpy( &ps->mis, &mis, sizeof(mis) );
break;
}
case WM_DELETEITEM:
{
DELETEITEMSTRUCT dls;
if (size < sizeof(ps->dls)) return FALSE;
dls.CtlType = ps->dls.CtlType;
dls.CtlID = ps->dls.CtlID;
dls.itemID = ps->dls.itemID;
dls.hwndItem = unpack_handle( ps->dls.hwndItem );
dls.itemData = (ULONG_PTR)unpack_ptr( ps->dls.itemData );
memcpy( &ps->dls, &dls, sizeof(dls) );
break;
}
case WM_COMPAREITEM:
{
COMPAREITEMSTRUCT cis;
if (size < sizeof(ps->cis)) return FALSE;
cis.CtlType = ps->cis.CtlType;
cis.CtlID = ps->cis.CtlID;
cis.hwndItem = unpack_handle( ps->cis.hwndItem );
cis.itemID1 = ps->cis.itemID1;
cis.itemData1 = (ULONG_PTR)unpack_ptr( ps->cis.itemData1 );
cis.itemID2 = ps->cis.itemID2;
cis.itemData2 = (ULONG_PTR)unpack_ptr( ps->cis.itemData2 );
cis.dwLocaleId = ps->cis.dwLocaleId;
memcpy( &ps->cis, &cis, sizeof(cis) );
break;
}
case WM_WINDOWPOSCHANGING:
case WM_WINDOWPOSCHANGED:
{
WINDOWPOS wp;
if (size < sizeof(ps->wp)) return FALSE;
wp.hwnd = unpack_handle( ps->wp.hwnd );
wp.hwndInsertAfter = unpack_handle( ps->wp.hwndInsertAfter );
wp.x = ps->wp.x;
wp.y = ps->wp.y;
wp.cx = ps->wp.cx;
wp.cy = ps->wp.cy;
wp.flags = ps->wp.flags;
memcpy( &ps->wp, &wp, sizeof(wp) );
break;
}
case WM_COPYDATA:
{
COPYDATASTRUCT cds;
if (size < sizeof(ps->cds)) return FALSE;
cds.dwData = (ULONG_PTR)unpack_ptr( ps->cds.dwData );
if (ps->cds.lpData)
{
cds.cbData = ps->cds.cbData;
cds.lpData = &ps->cds + 1;
minsize = sizeof(ps->cds) + cds.cbData;
}
else
{
cds.cbData = 0;
cds.lpData = 0;
}
memcpy( &ps->cds, &cds, sizeof(cds) );
break;
}
case WM_NOTIFY:
/* WM_NOTIFY cannot be sent across processes (MSDN) */
return FALSE;
case WM_HELP:
{
HELPINFO hi;
if (size < sizeof(ps->hi)) return FALSE;
hi.cbSize = sizeof(hi);
hi.iContextType = ps->hi.iContextType;
hi.iCtrlId = ps->hi.iCtrlId;
hi.hItemHandle = unpack_handle( ps->hi.hItemHandle );
hi.dwContextId = (ULONG_PTR)unpack_ptr( ps->hi.dwContextId );
hi.MousePos = ps->hi.MousePos;
memcpy( &ps->hi, &hi, sizeof(hi) );
break;
}
case WM_STYLECHANGING:
case WM_STYLECHANGED:
minsize = sizeof(STYLESTRUCT);
break;
case WM_NCCALCSIZE:
if (!*wparam) minsize = sizeof(RECT);
else
{
NCCALCSIZE_PARAMS ncp;
WINDOWPOS wp;
if (size < sizeof(ps->ncp)) return FALSE;
ncp.rgrc[0] = ps->ncp.rgrc[0];
ncp.rgrc[1] = ps->ncp.rgrc[1];
ncp.rgrc[2] = ps->ncp.rgrc[2];
wp.hwnd = unpack_handle( ps->ncp.hwnd );
wp.hwndInsertAfter = unpack_handle( ps->ncp.hwndInsertAfter );
wp.x = ps->ncp.x;
wp.y = ps->ncp.y;
wp.cx = ps->ncp.cx;
wp.cy = ps->ncp.cy;
wp.flags = ps->ncp.flags;
ncp.lppos = (WINDOWPOS *)((NCCALCSIZE_PARAMS *)&ps->ncp + 1);
memcpy( &ps->ncp, &ncp, sizeof(ncp) );
*ncp.lppos = wp;
}
break;
case WM_GETDLGCODE:
if (*lparam)
{
MSG msg;
if (size < sizeof(ps->msg)) return FALSE;
msg.hwnd = unpack_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 EM_GETRECT:
case LB_GETITEMRECT:
case CB_GETDROPPEDCONTROLRECT:
if (!get_buffer_space( buffer, sizeof(RECT), size )) return FALSE;
break;
case EM_SETRECT:
case EM_SETRECTNP:
minsize = sizeof(RECT);
break;
case EM_GETLINE:
{
WORD len;
if (size < sizeof(WORD)) return FALSE;
len = *(WORD *)*buffer;
if (!get_buffer_space( buffer, (len + 1) * sizeof(WCHAR), size )) return FALSE;
*lparam = (LPARAM)*buffer + sizeof(WORD); /* don't erase WORD at start of buffer */
return TRUE;
}
case EM_SETTABSTOPS:
case LB_SETTABSTOPS:
if (!*wparam) return TRUE;
minsize = *wparam * sizeof(UINT);
break;
case CB_ADDSTRING:
case CB_INSERTSTRING:
case CB_FINDSTRING:
case CB_FINDSTRINGEXACT:
case CB_SELECTSTRING:
case LB_ADDSTRING:
case LB_INSERTSTRING:
case LB_FINDSTRING:
case LB_FINDSTRINGEXACT:
case LB_SELECTSTRING:
if (!*buffer) return TRUE;
if (!check_string( *buffer, size )) return FALSE;
break;
case CB_GETLBTEXT:
{
size = sizeof(ULONG_PTR);
if (combobox_has_strings( hwnd ))
size = (SendMessageW( hwnd, CB_GETLBTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
if (!get_buffer_space( buffer, size, prev_size )) return FALSE;
break;
}
case LB_GETTEXT:
{
size = sizeof(ULONG_PTR);
if (listbox_has_strings( hwnd ))
size = (SendMessageW( hwnd, LB_GETTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
if (!get_buffer_space( buffer, size, prev_size )) return FALSE;
break;
}
case LB_GETSELITEMS:
if (!get_buffer_space( buffer, *wparam * sizeof(UINT), size )) return FALSE;
break;
case WM_NEXTMENU:
{
MDINEXTMENU mnm;
if (size < sizeof(ps->mnm)) return FALSE;
mnm.hmenuIn = unpack_handle( ps->mnm.hmenuIn );
mnm.hmenuNext = unpack_handle( ps->mnm.hmenuNext );
mnm.hwndNext = unpack_handle( ps->mnm.hwndNext );
memcpy( &ps->mnm, &mnm, sizeof(mnm) );
break;
}
case WM_SIZING:
case WM_MOVING:
minsize = sizeof(RECT);
if (!get_buffer_space( buffer, sizeof(RECT), size )) return FALSE;
break;
case WM_MDICREATE:
{
MDICREATESTRUCTW mcs;
WCHAR *str = (WCHAR *)(&ps->mcs + 1);
if (size < sizeof(ps->mcs)) return FALSE;
size -= sizeof(ps->mcs);
mcs.szClass = unpack_ptr( ps->mcs.szClass );
mcs.szTitle = unpack_ptr( ps->mcs.szTitle );
mcs.hOwner = unpack_ptr( ps->mcs.hOwner );
mcs.x = ps->mcs.x;
mcs.y = ps->mcs.y;
mcs.cx = ps->mcs.cx;
mcs.cy = ps->mcs.cy;
mcs.style = ps->mcs.style;
mcs.lParam = (LPARAM)unpack_ptr( ps->mcs.lParam );
if (ps->mcs.szClass >> 16)
{
if (!check_string( str, size )) return FALSE;
mcs.szClass = str;
size -= (lstrlenW(str) + 1) * sizeof(WCHAR);
str += lstrlenW(str) + 1;
}
if (ps->mcs.szTitle >> 16)
{
if (!check_string( str, size )) return FALSE;
mcs.szTitle = str;
}
memcpy( &ps->mcs, &mcs, sizeof(mcs) );
break;
}
case WM_MDIGETACTIVE:
if (!*lparam) return TRUE;
if (!get_buffer_space( buffer, sizeof(BOOL), size )) return FALSE;
break;
case WM_DEVICECHANGE:
if (!(*wparam & 0x8000)) return TRUE;
minsize = sizeof(DEV_BROADCAST_HDR);
break;
case WM_NCPAINT:
if (*wparam <= 1) return TRUE;
FIXME( "WM_NCPAINT hdc unpacking not supported\n" );
return FALSE;
case WM_PAINT:
if (!*wparam) return TRUE;
/* fall through */
/* these contain an HFONT */
case WM_SETFONT:
case WM_GETFONT:
/* these contain an HDC */
case WM_ERASEBKGND:
case WM_ICONERASEBKGND:
case WM_CTLCOLORMSGBOX:
case WM_CTLCOLOREDIT:
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLORBTN:
case WM_CTLCOLORDLG:
case WM_CTLCOLORSCROLLBAR:
case WM_CTLCOLORSTATIC:
case WM_PRINT:
case WM_PRINTCLIENT:
/* these contain an HGLOBAL */
case WM_PAINTCLIPBOARD:
case WM_SIZECLIPBOARD:
/* these contain HICON */
case WM_GETICON:
case WM_SETICON:
case WM_QUERYDRAGICON:
case WM_QUERYPARKICON:
/* these contain pointers */
case WM_DROPOBJECT:
case WM_QUERYDROPOBJECT:
case WM_DRAGLOOP:
case WM_DRAGSELECT:
case WM_DRAGMOVE:
FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
return FALSE;
default:
return TRUE; /* message doesn't need any unpacking */
}
/* default exit for most messages: check minsize and store buffer in lparam */
if (size < minsize) return FALSE;
*lparam = (LPARAM)*buffer;
return TRUE;
}
BOOL WINAPI User32CallWindowProc( struct win_proc_params *params, ULONG size )
{
if (params->needs_unpack)
{
char stack_buffer[128];
void *buffer;
LRESULT result;
MSG msg;
if (size > sizeof(*params))
{
size -= sizeof(*params);
buffer = params + 1;
}
else
{
size = sizeof(stack_buffer);
buffer = stack_buffer;
}
if (!unpack_message( params->hwnd, params->msg, &params->wparam,
&params->lparam, &buffer, size ))
return 0;
params->result = &result;
msg.hwnd = params->hwnd;
msg.message = params->msg;
msg.wParam = params->wparam;
msg.lParam = params->lparam;
dispatch_win_proc_params( params );
NtUserCallTwoParam( result, (UINT_PTR)&msg, NtUserReplyMessage );
if (buffer != stack_buffer && buffer != params + 1)
HeapFree( GetProcessHeap(), 0, buffer );
}
else dispatch_win_proc_params( params );
return TRUE;
}
void get_winproc_params( struct win_proc_params *params )
{
WINDOWPROC *proc = handle_to_proc( params->func );
if (!proc)
{
params->procW = params->procA = NULL;
}
else if (proc == WINPROC_PROC16)
{
params->procW = params->procA = WINPROC_PROC16;
}
else
{
params->procA = proc->procA;
params->procW = proc->procW;
}
}
BOOL WINAPI User32CallSendAsyncCallback( const struct send_async_params *params, ULONG size )
{
params->callback( params->hwnd, params->msg, params->data, params->result );
return TRUE;
}
/**********************************************************************
* CallWindowProcA (USER32.@)
*
* The CallWindowProc() function invokes the windows procedure _func_,
* with _hwnd_ as the target window, the message specified by _msg_, and
* the message parameters _wParam_ and _lParam_.
*
* Some kinds of argument conversion may be done, I'm not sure what.
*
* CallWindowProc() may be used for windows subclassing. Use
* SetWindowLong() to set a new windows procedure for windows of the
* subclass, and handle subclassed messages in the new windows
* procedure. The new windows procedure may then use CallWindowProc()
* with _func_ set to the parent class's windows procedure to dispatch
* the message to the superclass.
*
* RETURNS
*
* The return value is message dependent.
*
* CONFORMANCE
*
* ECMA-234, Win32
*/
LRESULT WINAPI CallWindowProcA( WNDPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
struct win_proc_params params;
LRESULT result;
params.func = func;
params.result = &result;
if (!NtUserMessageCall( hwnd, msg, wParam, lParam, (ULONG_PTR)&params, FNID_CALLWNDPROC, TRUE ))
return 0;
dispatch_win_proc_params( &params );
return result;
}
/**********************************************************************
* CallWindowProcW (USER32.@)
*
* See CallWindowProcA.
*/
LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
struct win_proc_params params;
LRESULT result;
params.func = func;
params.result = &result;
if (!NtUserMessageCall( hwnd, msg, wParam, lParam, (ULONG_PTR)&params, FNID_CALLWNDPROC, FALSE ))
return 0;
dispatch_win_proc_params( &params );
return result;
}
/**********************************************************************
* WINPROC_CallDlgProcA
*/
INT_PTR WINPROC_CallDlgProcA( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
WINDOWPROC *proc;
LRESULT result;
INT_PTR ret;
if (!func) return 0;
if (!(proc = handle_to_proc( (WNDPROC)func )))
ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, func );
else if (proc == WINPROC_PROC16)
{
ret = wow_handlers.call_dialog_proc( hwnd, msg, wParam, lParam, &result, func );
SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );
}
else
ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, proc->procW ? proc->procW : proc->procA );
return ret;
}
/**********************************************************************
* WINPROC_CallDlgProcW
*/
INT_PTR WINPROC_CallDlgProcW( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
WINDOWPROC *proc;
LRESULT result;
INT_PTR ret;
if (!func) return 0;
if (!(proc = handle_to_proc( (WNDPROC)func )))
ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, func );
else if (proc == WINPROC_PROC16)
{
ret = WINPROC_CallProcWtoA( wow_handlers.call_dialog_proc, hwnd, msg, wParam, lParam, &result, func );
SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );
}
else
ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, proc->procW ? proc->procW : proc->procA );
return ret;
}
/***********************************************************************
* Window procedures for builtin classes
*/
static LRESULT WINAPI ButtonWndProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.button_proc( hwnd, msg, wParam, lParam, FALSE );
}
static LRESULT WINAPI ButtonWndProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.button_proc( hwnd, msg, wParam, lParam, TRUE );
}
static LRESULT WINAPI ComboWndProcA( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.combo_proc( hwnd, message, wParam, lParam, FALSE );
}
static LRESULT WINAPI ComboWndProcW( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.combo_proc( hwnd, message, wParam, lParam, TRUE );
}
LRESULT WINAPI EditWndProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.edit_proc( hwnd, msg, wParam, lParam, FALSE );
}
static LRESULT WINAPI EditWndProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.edit_proc( hwnd, msg, wParam, lParam, TRUE );
}
static LRESULT WINAPI ListBoxWndProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.listbox_proc( hwnd, msg, wParam, lParam, FALSE );
}
static LRESULT WINAPI ListBoxWndProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.listbox_proc( hwnd, msg, wParam, lParam, TRUE );
}
static LRESULT WINAPI MDIClientWndProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.mdiclient_proc( hwnd, msg, wParam, lParam, FALSE );
}
static LRESULT WINAPI MDIClientWndProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.mdiclient_proc( hwnd, msg, wParam, lParam, TRUE );
}
static LRESULT WINAPI ScrollBarWndProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.scrollbar_proc( hwnd, msg, wParam, lParam, FALSE );
}
static LRESULT WINAPI ScrollBarWndProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.scrollbar_proc( hwnd, msg, wParam, lParam, TRUE );
}
static LRESULT WINAPI StaticWndProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.static_proc( hwnd, msg, wParam, lParam, FALSE );
}
static LRESULT WINAPI StaticWndProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
return wow_handlers.static_proc( hwnd, msg, wParam, lParam, TRUE );
}
static DWORD wait_message( DWORD count, const HANDLE *handles, DWORD timeout, DWORD mask, DWORD flags )
{
DWORD ret = USER_Driver->pMsgWaitForMultipleObjectsEx( count, handles, timeout, mask, flags );
if (ret == WAIT_TIMEOUT && !count && !timeout) NtYieldExecution();
if ((mask & QS_INPUT) == QS_INPUT) get_user_thread_info()->message_count = 0;
return ret;
}
/**********************************************************************
* UserRegisterWowHandlers (USER32.@)
*
* NOTE: no attempt has been made to be compatible here,
* the Windows function is most likely completely different.
*/
void WINAPI UserRegisterWowHandlers( const struct wow_handlers16 *new, struct wow_handlers32 *orig )
{
orig->button_proc = ButtonWndProc_common;
orig->combo_proc = ComboWndProc_common;
orig->edit_proc = EditWndProc_common;
orig->listbox_proc = ListBoxWndProc_common;
orig->mdiclient_proc = MDIClientWndProc_common;
orig->scrollbar_proc = ScrollBarWndProc_common;
orig->static_proc = StaticWndProc_common;
orig->wait_message = wait_message;
orig->create_window = WIN_CreateWindowEx;
orig->get_win_handle = WIN_GetFullHandle;
orig->alloc_winproc = WINPROC_AllocProc;
orig->get_dialog_info = DIALOG_get_info;
orig->dialog_box_loop = DIALOG_DoDialogBox;
wow_handlers = *new;
}
struct wow_handlers16 wow_handlers =
{
ButtonWndProc_common,
ComboWndProc_common,
EditWndProc_common,
ListBoxWndProc_common,
MDIClientWndProc_common,
ScrollBarWndProc_common,
StaticWndProc_common,
wait_message,
WIN_CreateWindowEx,
NULL, /* call_window_proc */
NULL, /* call_dialog_proc */
};
static const struct user_client_procs client_procsA =
{
.pButtonWndProc = ButtonWndProcA,
.pComboWndProc = ComboWndProcA,
.pDefWindowProc = DefWindowProcA,
.pDefDlgProc = DefDlgProcA,
.pEditWndProc = EditWndProcA,
.pListBoxWndProc = ListBoxWndProcA,
.pMDIClientWndProc = MDIClientWndProcA,
.pScrollBarWndProc = ScrollBarWndProcA,
.pStaticWndProc = StaticWndProcA,
.pImeWndProc = ImeWndProcA,
};
static const struct user_client_procs client_procsW =
{
.pButtonWndProc = ButtonWndProcW,
.pComboWndProc = ComboWndProcW,
.pDefWindowProc = DefWindowProcW,
.pDefDlgProc = DefDlgProcW,
.pEditWndProc = EditWndProcW,
.pListBoxWndProc = ListBoxWndProcW,
.pMDIClientWndProc = MDIClientWndProcW,
.pScrollBarWndProc = ScrollBarWndProcW,
.pStaticWndProc = StaticWndProcW,
.pImeWndProc = ImeWndProcW,
.pDesktopWndProc = DesktopWndProc,
.pIconTitleWndProc = IconTitleWndProc,
.pPopupMenuWndProc = PopupMenuWndProc,
.pMessageWndProc = MessageWndProc,
};
void winproc_init(void)
{
NtUserInitializeClientPfnArrays( &client_procsA, &client_procsW, NULL, user32_module );
}