winproc.c 82.6 KB
Newer Older
Alexandre Julliard's avatar
Alexandre Julliard committed
1 2 3 4 5
/*
 * Window procedure callbacks
 *
 * Copyright 1995 Martin von Loewis
 * Copyright 1996 Alexandre Julliard
6 7 8 9 10 11 12 13 14 15 16 17 18
 *
 * 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
19
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
Alexandre Julliard's avatar
Alexandre Julliard committed
20 21
 */

22
#include "config.h"
23
#include "wine/port.h"
24

25
#include <assert.h>
26
#include <stdarg.h>
27
#include <string.h>
Dimitrie O. Paun's avatar
Dimitrie O. Paun committed
28

29
#include "windef.h"
30
#include "winbase.h"
31
#include "wownt32.h"
32
#include "wine/winbase16.h"
33
#include "wine/winuser16.h"
34
#include "controls.h"
Alexandre Julliard's avatar
Alexandre Julliard committed
35
#include "win.h"
36
#include "user_private.h"
37
#include "dde.h"
38
#include "winternl.h"
39 40
#include "wine/unicode.h"
#include "wine/debug.h"
Alexandre Julliard's avatar
Alexandre Julliard committed
41

42 43
WINE_DECLARE_DEBUG_CHANNEL(msg);
WINE_DECLARE_DEBUG_CHANNEL(relay);
44
WINE_DEFAULT_DEBUG_CHANNEL(win);
45

Alexandre Julliard's avatar
Alexandre Julliard committed
46 47
typedef struct tagWINDOWPROC
{
48 49 50
    WNDPROC16      proc16;   /* 16-bit window proc */
    WNDPROC        procA;    /* ASCII window proc */
    WNDPROC        procW;    /* Unicode window proc */
Alexandre Julliard's avatar
Alexandre Julliard committed
51 52
} WINDOWPROC;

53
#define WINPROC_HANDLE (~0UL >> 16)
54
#define MAX_WINPROCS  8192
55
#define BUILTIN_WINPROCS 8  /* first BUILTIN_WINPROCS entries are reserved for builtin procs */
Alexandre Julliard's avatar
Alexandre Julliard committed
56

57
static WINDOWPROC winproc_array[MAX_WINPROCS];
58 59
static UINT builtin_used;
static UINT winproc_used = BUILTIN_WINPROCS;
60 61 62 63 64 65

static CRITICAL_SECTION winproc_cs;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
    0, 0, &winproc_cs,
    { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
66
      0, 0, { (DWORD_PTR)(__FILE__ ": winproc_cs") }
67 68
};
static CRITICAL_SECTION winproc_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
Alexandre Julliard's avatar
Alexandre Julliard committed
69

70 71 72 73 74 75 76 77 78 79 80
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 );
}

81
/* find an existing winproc for a given 16-bit function and type */
82
/* FIXME: probably should do something more clever than a linear search */
83
static inline WINDOWPROC *find_winproc16( WNDPROC16 func )
84
{
85 86
    unsigned int i;

87
    for (i = BUILTIN_WINPROCS; i < winproc_used; i++)
88
    {
89
        if (winproc_array[i].proc16 == func) return &winproc_array[i];
90
    }
91 92 93 94 95
    return NULL;
}

/* find an existing winproc for a given function and type */
/* FIXME: probably should do something more clever than a linear search */
96
static inline WINDOWPROC *find_winproc( WNDPROC funcA, WNDPROC funcW )
97 98 99
{
    unsigned int i;

100
    for (i = 0; i < builtin_used; i++)
101
    {
102 103 104
        /* match either proc, some apps confuse A and W */
        if (funcA && winproc_array[i].procA != funcA && winproc_array[i].procW != funcA) continue;
        if (funcW && winproc_array[i].procA != funcW && winproc_array[i].procW != funcW) continue;
105
        return &winproc_array[i];
106
    }
107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125
    for (i = BUILTIN_WINPROCS; i < winproc_used; i++)
    {
        if (funcA && winproc_array[i].procA != funcA) continue;
        if (funcW && winproc_array[i].procW != funcW) continue;
        return &winproc_array[i];
    }
    return NULL;
}

/* find an existing builtin winproc */
static inline WINDOWPROC *find_builtin_proc( WNDPROC func )
{
    unsigned int i;

    for (i = 0; i < builtin_used; i++)
    {
        if (winproc_array[i].procA == func || winproc_array[i].procW == func)
            return &winproc_array[i];
    }
126
    return NULL;
127 128
}

129 130 131 132 133 134 135 136 137 138 139 140 141 142 143
/* return the window proc for a given handle, or NULL for an invalid handle */
static inline WINDOWPROC *handle_to_proc( WNDPROC handle )
{
    UINT index = LOWORD(handle);
    if ((ULONG_PTR)handle >> 16 != WINPROC_HANDLE) return NULL;
    if (index >= winproc_used) return NULL;
    return &winproc_array[index];
}

/* create a handle for a given window proc */
static inline WNDPROC proc_to_handle( WINDOWPROC *proc )
{
    return (WNDPROC)(ULONG_PTR)((proc - winproc_array) | (WINPROC_HANDLE << 16));
}

144
/* allocate and initialize a new winproc */
145
static inline WINDOWPROC *alloc_winproc( WNDPROC funcA, WNDPROC funcW )
146 147 148 149
{
    WINDOWPROC *proc;

    /* check if the function is already a win proc */
150 151 152
    if (funcA && (proc = handle_to_proc( funcA ))) return proc;
    if (funcW && (proc = handle_to_proc( funcW ))) return proc;
    if (!funcA && !funcW) return NULL;
153 154 155 156

    EnterCriticalSection( &winproc_cs );

    /* check if we already have a winproc for that function */
157
    if (!(proc = find_winproc( funcA, funcW )))
158
    {
159 160 161 162 163 164 165 166 167 168
        if (funcA && funcW)
        {
            assert( builtin_used < BUILTIN_WINPROCS );
            proc = &winproc_array[builtin_used++];
            proc->procA = funcA;
            proc->procW = funcW;
            TRACE( "allocated %p for builtin %p/%p (%d/%d used)\n",
                   proc_to_handle(proc), funcA, funcW, builtin_used, BUILTIN_WINPROCS );
        }
        else if (winproc_used < MAX_WINPROCS)
169
        {
170 171 172
            proc = &winproc_array[winproc_used++];
            proc->procA = funcA;
            proc->procW = funcW;
173 174 175
            TRACE( "allocated %p for %c %p (%d/%d used)\n",
                   proc_to_handle(proc), funcA ? 'A' : 'W', funcA ? funcA : funcW,
                   winproc_used, MAX_WINPROCS );
176
        }
177
        else FIXME( "too many winprocs, cannot allocate one for %p/%p\n", funcA, funcW );
178
    }
179
    else TRACE( "reusing %p for %p/%p\n", proc_to_handle(proc), funcA, funcW );
180 181 182 183 184

    LeaveCriticalSection( &winproc_cs );
    return proc;
}

Alexandre Julliard's avatar
Alexandre Julliard committed
185

186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230
#ifdef __i386__

#include "pshpack1.h"

/* Window procedure 16-to-32-bit thunk */
typedef struct
{
    BYTE        popl_eax;        /* popl  %eax (return address) */
    BYTE        pushl_func;      /* pushl $proc */
    WINDOWPROC *proc;
    BYTE        pushl_eax;       /* pushl %eax */
    BYTE        ljmp;            /* ljmp relay*/
    DWORD       relay_offset;    /* __wine_call_wndproc */
    WORD        relay_sel;
} WINPROC_THUNK;

#include "poppack.h"

#define MAX_THUNKS  (0x10000 / sizeof(WINPROC_THUNK))

static WINPROC_THUNK *thunk_array;
static UINT thunk_selector;
static UINT thunk_used;

/* return the window proc for a given handle, or NULL for an invalid handle */
static inline WINDOWPROC *handle16_to_proc( WNDPROC16 handle )
{
    if (HIWORD(handle) == thunk_selector)
    {
        UINT index = LOWORD(handle) / sizeof(WINPROC_THUNK);
        /* check alignment */
        if (index * sizeof(WINPROC_THUNK) != LOWORD(handle)) return NULL;
        /* check array limits */
        if (index >= thunk_used) return NULL;
        return thunk_array[index].proc;
    }
    return handle_to_proc( (WNDPROC)handle );
}

/* allocate a 16-bit thunk for an existing window proc */
static WNDPROC16 alloc_win16_thunk( WINDOWPROC *proc )
{
    static FARPROC16 relay;
    UINT i;

231 232
    if (proc->proc16) return proc->proc16;

233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265
    EnterCriticalSection( &winproc_cs );

    if (!thunk_array)  /* allocate the array and its selector */
    {
        LDT_ENTRY entry;

        if (!(thunk_selector = wine_ldt_alloc_entries(1))) goto done;
        if (!(thunk_array = VirtualAlloc( NULL, MAX_THUNKS * sizeof(WINPROC_THUNK), MEM_COMMIT,
                                          PAGE_EXECUTE_READWRITE ))) goto done;
        wine_ldt_set_base( &entry, thunk_array );
        wine_ldt_set_limit( &entry, MAX_THUNKS * sizeof(WINPROC_THUNK) - 1 );
        wine_ldt_set_flags( &entry, WINE_LDT_FLAGS_CODE | WINE_LDT_FLAGS_32BIT );
        wine_ldt_set_entry( thunk_selector, &entry );
        relay = GetProcAddress16( GetModuleHandle16("user"), "__wine_call_wndproc" );
    }

    /* check if it already exists */
    for (i = 0; i < thunk_used; i++) if (thunk_array[i].proc == proc) break;

    if (i == thunk_used)  /* create a new one */
    {
        WINPROC_THUNK *thunk;

        if (thunk_used >= MAX_THUNKS) goto done;
        thunk = &thunk_array[thunk_used++];
        thunk->popl_eax     = 0x58;   /* popl  %eax */
        thunk->pushl_func   = 0x68;   /* pushl $proc */
        thunk->proc         = proc;
        thunk->pushl_eax    = 0x50;   /* pushl %eax */
        thunk->ljmp         = 0xea;   /* ljmp   relay*/
        thunk->relay_offset = OFFSETOF(relay);
        thunk->relay_sel    = SELECTOROF(relay);
    }
266
    proc->proc16 = (WNDPROC16)MAKESEGPTR( thunk_selector, i * sizeof(WINPROC_THUNK) );
267 268
done:
    LeaveCriticalSection( &winproc_cs );
269
    return proc->proc16;
270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286
}

#else  /* __i386__ */

static inline WINDOWPROC *handle16_to_proc( WNDPROC16 handle )
{
    return handle_to_proc( (WNDPROC)handle );
}

static inline WNDPROC16 alloc_win16_thunk( WINDOWPROC *proc )
{
    return 0;
}

#endif  /* __i386__ */


287 288 289 290 291 292 293 294 295 296 297 298
#ifdef __i386__
/* Some window procedures modify register 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"
                   "movl %esp,%ebp\n\t"
                   "pushl %edi\n\t"
                   "pushl %esi\n\t"
                   "pushl %ebx\n\t"
299
                   "subl $12,%esp\n\t"
300 301 302 303 304 305 306 307 308 309 310
                   "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"
                   "popl %esi\n\t"
                   "popl %edi\n\t"
                   "leave\n\t"
311
                   "ret" )
312 313 314 315 316 317 318 319
#else
static inline LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
                                       WPARAM wParam, LPARAM lParam )
{
    return proc( hwnd, msg, wParam, lParam );
}
#endif  /* __i386__ */

320 321 322 323 324 325 326 327 328 329 330 331 332 333 334
static void RECT16to32( const RECT16 *from, RECT *to )
{
    to->left   = from->left;
    to->top    = from->top;
    to->right  = from->right;
    to->bottom = from->bottom;
}

static void RECT32to16( const RECT *from, RECT16 *to )
{
    to->left   = from->left;
    to->top    = from->top;
    to->right  = from->right;
    to->bottom = from->bottom;
}
335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414

static void MINMAXINFO32to16( const MINMAXINFO *from, MINMAXINFO16 *to )
{
    to->ptReserved.x     = from->ptReserved.x;
    to->ptReserved.y     = from->ptReserved.y;
    to->ptMaxSize.x      = from->ptMaxSize.x;
    to->ptMaxSize.y      = from->ptMaxSize.y;
    to->ptMaxPosition.x  = from->ptMaxPosition.x;
    to->ptMaxPosition.y  = from->ptMaxPosition.y;
    to->ptMinTrackSize.x = from->ptMinTrackSize.x;
    to->ptMinTrackSize.y = from->ptMinTrackSize.y;
    to->ptMaxTrackSize.x = from->ptMaxTrackSize.x;
    to->ptMaxTrackSize.y = from->ptMaxTrackSize.y;
}

static void MINMAXINFO16to32( const MINMAXINFO16 *from, MINMAXINFO *to )
{
    to->ptReserved.x     = from->ptReserved.x;
    to->ptReserved.y     = from->ptReserved.y;
    to->ptMaxSize.x      = from->ptMaxSize.x;
    to->ptMaxSize.y      = from->ptMaxSize.y;
    to->ptMaxPosition.x  = from->ptMaxPosition.x;
    to->ptMaxPosition.y  = from->ptMaxPosition.y;
    to->ptMinTrackSize.x = from->ptMinTrackSize.x;
    to->ptMinTrackSize.y = from->ptMinTrackSize.y;
    to->ptMaxTrackSize.x = from->ptMaxTrackSize.x;
    to->ptMaxTrackSize.y = from->ptMaxTrackSize.y;
}

static void WINDOWPOS32to16( const WINDOWPOS* from, WINDOWPOS16* to )
{
    to->hwnd            = HWND_16(from->hwnd);
    to->hwndInsertAfter = HWND_16(from->hwndInsertAfter);
    to->x               = from->x;
    to->y               = from->y;
    to->cx              = from->cx;
    to->cy              = from->cy;
    to->flags           = from->flags;
}

static void WINDOWPOS16to32( const WINDOWPOS16* from, WINDOWPOS* to )
{
    to->hwnd            = WIN_Handle32(from->hwnd);
    to->hwndInsertAfter = (from->hwndInsertAfter == (HWND16)-1) ?
                           HWND_TOPMOST : WIN_Handle32(from->hwndInsertAfter);
    to->x               = from->x;
    to->y               = from->y;
    to->cx              = from->cx;
    to->cy              = from->cy;
    to->flags           = from->flags;
}

/* The strings are not copied */
static void CREATESTRUCT32Ato16( const CREATESTRUCTA* from, CREATESTRUCT16* to )
{
    to->lpCreateParams = (SEGPTR)from->lpCreateParams;
    to->hInstance      = HINSTANCE_16(from->hInstance);
    to->hMenu          = HMENU_16(from->hMenu);
    to->hwndParent     = HWND_16(from->hwndParent);
    to->cy             = from->cy;
    to->cx             = from->cx;
    to->y              = from->y;
    to->x              = from->x;
    to->style          = from->style;
    to->dwExStyle      = from->dwExStyle;
}

static void CREATESTRUCT16to32A( const CREATESTRUCT16* from, CREATESTRUCTA *to )

{
    to->lpCreateParams = (LPVOID)from->lpCreateParams;
    to->hInstance      = HINSTANCE_32(from->hInstance);
    to->hMenu          = HMENU_32(from->hMenu);
    to->hwndParent     = WIN_Handle32(from->hwndParent);
    to->cy             = from->cy;
    to->cx             = from->cx;
    to->y              = from->y;
    to->x              = from->x;
    to->style          = from->style;
    to->dwExStyle      = from->dwExStyle;
415 416
    to->lpszName       = MapSL(from->lpszName);
    to->lpszClass      = MapSL(from->lpszClass);
417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439
}

/* The strings are not copied */
static void MDICREATESTRUCT32Ato16( const MDICREATESTRUCTA* from, MDICREATESTRUCT16* to )
{
    to->hOwner = HINSTANCE_16(from->hOwner);
    to->x      = from->x;
    to->y      = from->y;
    to->cx     = from->cx;
    to->cy     = from->cy;
    to->style  = from->style;
    to->lParam = from->lParam;
}

static void MDICREATESTRUCT16to32A( const MDICREATESTRUCT16* from, MDICREATESTRUCTA *to )
{
    to->hOwner = HINSTANCE_32(from->hOwner);
    to->x      = from->x;
    to->y      = from->y;
    to->cx     = from->cx;
    to->cy     = from->cy;
    to->style  = from->style;
    to->lParam = from->lParam;
440 441
    to->szTitle = MapSL(from->szTitle);
    to->szClass = MapSL(from->szClass);
442 443
}

444 445 446 447 448 449 450 451 452 453 454 455
static WPARAM map_wparam_char_WtoA( WPARAM wParam, DWORD len )
{
    WCHAR wch = wParam;
    BYTE ch[2];

    RtlUnicodeToMultiByteN( (LPSTR)ch, len, &len, &wch, sizeof(wch) );
    if (len == 2)
        return MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(wParam) );
    else
        return MAKEWPARAM( ch[0], HIWORD(wParam) );
}

456 457 458 459 460 461 462 463 464
/* 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;

    USER_CheckNotLock();

    hwnd = WIN_GetFullHandle( hwnd );
    if (TRACE_ON(relay))
465
        DPRINTF( "%04x:Call window proc %p (hwnd=%p,msg=%s,wp=%08lx,lp=%08lx)\n",
466 467 468 469 470
                 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wp, lp );

    *result = WINPROC_wrapper( proc, hwnd, msg, wp, lp );

    if (TRACE_ON(relay))
471
        DPRINTF( "%04x:Ret  window proc %p (hwnd=%p,msg=%s,wp=%08lx,lp=%08lx) retval=%08lx\n",
472 473 474 475 476 477 478 479 480 481 482 483 484 485
                 GetCurrentThreadId(), 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 )
{
    WNDPROC proc = arg;
    LRESULT ret;

    USER_CheckNotLock();

    hwnd = WIN_GetFullHandle( hwnd );
    if (TRACE_ON(relay))
486
        DPRINTF( "%04x:Call dialog proc %p (hwnd=%p,msg=%s,wp=%08lx,lp=%08lx)\n",
487 488 489 490 491 492
                 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wp, lp );

    ret = WINPROC_wrapper( proc, hwnd, msg, wp, lp );
    *result = GetWindowLongPtrW( hwnd, DWLP_MSGRESULT );

    if (TRACE_ON(relay))
493
        DPRINTF( "%04x:Ret  dialog proc %p (hwnd=%p,msg=%s,wp=%08lx,lp=%08lx) retval=%08lx result=%08lx\n",
494 495 496 497
                 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wp, lp, ret, *result );
    return ret;
}

498 499 500
/* call a 16-bit window procedure */
static LRESULT call_window_proc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
                                   LRESULT *result, void *arg )
501
{
502
    WNDPROC16 proc = arg;
503
    CONTEXT86 context;
504 505 506 507 508 509 510 511 512 513 514
    size_t size = 0;
    struct
    {
        WORD params[5];
        union
        {
            CREATESTRUCT16 cs16;
            DRAWITEMSTRUCT16 dis16;
            COMPAREITEMSTRUCT16 cis16;
        } u;
    } args;
515 516

    USER_CheckNotLock();
517 518 519

    /* Window procedures want ax = hInstance, ds = es = ss */

520
    memset(&context, 0, sizeof(context));
521
    context.SegDs = context.SegEs = SELECTOROF(NtCurrentTeb()->WOW32Reserved);
522 523
    context.SegFs = wine_get_fs();
    context.SegGs = wine_get_gs();
524
    if (!(context.Eax = GetWindowWord( HWND_32(hwnd), GWLP_HINSTANCE ))) context.Eax = context.SegDs;
525 526
    context.SegCs = SELECTOROF(proc);
    context.Eip   = OFFSETOF(proc);
527
    context.Ebp   = OFFSETOF(NtCurrentTeb()->WOW32Reserved) + FIELD_OFFSET(STACK16FRAME, bp);
528 529 530 531 532 533 534 535 536 537 538 539 540

    if (lParam)
    {
        /* Some programs (eg. the "Undocumented Windows" examples, JWP) only
           work if structures passed in lParam are placed in the stack/data
           segment. Programmers easily make the mistake of converting lParam
           to a near rather than a far pointer, since Windows apparently
           allows this. We copy the structures to the 16 bit stack; this is
           ugly but makes these programs work. */
        switch (msg)
        {
          case WM_CREATE:
          case WM_NCCREATE:
541
            size = sizeof(CREATESTRUCT16); break;
542
          case WM_DRAWITEM:
543
            size = sizeof(DRAWITEMSTRUCT16); break;
544
          case WM_COMPAREITEM:
545
            size = sizeof(COMPAREITEMSTRUCT16); break;
546
        }
547
        if (size)
548
        {
549
            memcpy( &args.u, MapSL(lParam), size );
550
            lParam = PtrToUlong(NtCurrentTeb()->WOW32Reserved) - size;
551 552 553
        }
    }

554 555 556 557 558 559
    args.params[4] = hwnd;
    args.params[3] = msg;
    args.params[2] = wParam;
    args.params[1] = HIWORD(lParam);
    args.params[0] = LOWORD(lParam);
    WOWCallback16Ex( 0, WCB16_REGS, sizeof(args.params) + size, &args, (DWORD *)&context );
560 561 562 563 564 565 566 567 568 569 570
    *result = MAKELONG( LOWORD(context.Eax), LOWORD(context.Edx) );
    return *result;
}

/* call a 16-bit dialog procedure */
static LRESULT call_dialog_proc16( HWND16 hwnd, UINT16 msg, WPARAM16 wp, LPARAM lp,
                                   LRESULT *result, void *arg )
{
    LRESULT ret = call_window_proc16( hwnd, msg, wp, lp, result, arg );
    *result = GetWindowLongPtrW( WIN_Handle32(hwnd), DWLP_MSGRESULT );
    return LOWORD(ret);
571 572
}

573 574 575 576 577 578 579 580 581 582 583 584 585 586
/* helper callback for 32W->16 conversion */
static LRESULT call_window_proc_Ato16( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
                                       LRESULT *result, void *arg )
{
    return WINPROC_CallProc32ATo16( call_window_proc16, hwnd, msg, wp, lp, result, arg );
}

/* helper callback for 32W->16 conversion */
static LRESULT call_dialog_proc_Ato16( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
                                       LRESULT *result, void *arg )
{
    return WINPROC_CallProc32ATo16( call_dialog_proc16, hwnd, msg, wp, lp, result, arg );
}

587 588 589 590
/* helper callback for 16->32W conversion */
static LRESULT call_window_proc_AtoW( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
                                      LRESULT *result, void *arg )
{
591 592
    return WINPROC_CallProcAtoW( call_window_proc, hwnd, msg, wp, lp, result,
                                 arg, WMCHAR_MAP_CALLWINDOWPROC );
593 594 595 596 597 598
}

/* helper callback for 16->32W conversion */
static LRESULT call_dialog_proc_AtoW( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
                                      LRESULT *result, void *arg )
{
599 600
    return WINPROC_CallProcAtoW( call_dialog_proc, hwnd, msg, wp, lp, result,
                                 arg, WMCHAR_MAP_CALLWINDOWPROC );
601 602
}

Alexandre Julliard's avatar
Alexandre Julliard committed
603

604 605 606 607 608
/**********************************************************************
 *	     WINPROC_GetProc16
 *
 * Get a window procedure pointer that can be passed to the Windows program.
 */
609
WNDPROC16 WINPROC_GetProc16( WNDPROC proc, BOOL unicode )
610
{
611
    WINDOWPROC *ptr;
612

613 614
    if (unicode) ptr = alloc_winproc( NULL, proc );
    else ptr = alloc_winproc( proc, NULL );
615

616 617
    if (!ptr) return 0;
    return alloc_win16_thunk( ptr );
618 619 620
}


Alexandre Julliard's avatar
Alexandre Julliard committed
621
/**********************************************************************
Alexandre Julliard's avatar
Alexandre Julliard committed
622
 *	     WINPROC_GetProc
Alexandre Julliard's avatar
Alexandre Julliard committed
623
 *
Alexandre Julliard's avatar
Alexandre Julliard committed
624
 * Get a window procedure pointer that can be passed to the Windows program.
Alexandre Julliard's avatar
Alexandre Julliard committed
625
 */
626
WNDPROC WINPROC_GetProc( WNDPROC proc, BOOL unicode )
Alexandre Julliard's avatar
Alexandre Julliard committed
627
{
628
    WINDOWPROC *ptr = handle_to_proc( proc );
629

630 631 632 633 634 635 636 637 638 639 640
    if (!ptr) return proc;
    if (unicode)
    {
        if (ptr->procW) return ptr->procW;
        return proc;
    }
    else
    {
        if (ptr->procA) return ptr->procA;
        return proc;
    }
Alexandre Julliard's avatar
Alexandre Julliard committed
641 642 643
}


644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659
/**********************************************************************
 *	     WINPROC_AllocProc16
 *
 * 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.
 */
WNDPROC WINPROC_AllocProc16( WNDPROC16 func )
{
    WINDOWPROC *proc;

    if (!func) return NULL;

    /* check if the function is already a win proc */
660
    if (!(proc = handle16_to_proc( func )))
661
    {
662 663
        EnterCriticalSection( &winproc_cs );

664 665 666
        /* then check if we already have a winproc for that function */
        if (!(proc = find_winproc16( func )))
        {
667
            if (winproc_used < MAX_WINPROCS)
668
            {
669 670
                proc = &winproc_array[winproc_used++];
                proc->proc16 = func;
671
                TRACE( "allocated %p for %p/16-bit (%d/%d used)\n",
672
                       proc_to_handle(proc), func, winproc_used, MAX_WINPROCS );
673
            }
674
            else FIXME( "too many winprocs, cannot allocate one for 16-bit %p\n", func );
675
        }
676
        else TRACE( "reusing %p for %p/16-bit\n", proc_to_handle(proc), func );
677

678 679
        LeaveCriticalSection( &winproc_cs );
    }
680
    return proc_to_handle( proc );
681 682 683
}


Alexandre Julliard's avatar
Alexandre Julliard committed
684
/**********************************************************************
685
 *	     WINPROC_AllocProc
Alexandre Julliard's avatar
Alexandre Julliard committed
686
 *
687
 * Allocate a window procedure for a window or class.
Alexandre Julliard's avatar
Alexandre Julliard committed
688
 *
689 690 691
 * 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.
Alexandre Julliard's avatar
Alexandre Julliard committed
692
 */
693
WNDPROC WINPROC_AllocProc( WNDPROC funcA, WNDPROC funcW )
Alexandre Julliard's avatar
Alexandre Julliard committed
694
{
695
    WINDOWPROC *proc;
Alexandre Julliard's avatar
Alexandre Julliard committed
696

697
    if (!(proc = alloc_winproc( funcA, funcW ))) return NULL;
698
    return proc_to_handle( proc );
Alexandre Julliard's avatar
Alexandre Julliard committed
699 700 701 702
}


/**********************************************************************
703
 *	     WINPROC_IsUnicode
Alexandre Julliard's avatar
Alexandre Julliard committed
704
 *
705
 * Return the window procedure type, or the default value if not a winproc handle.
Alexandre Julliard's avatar
Alexandre Julliard committed
706
 */
707
BOOL WINPROC_IsUnicode( WNDPROC proc, BOOL def_val )
Alexandre Julliard's avatar
Alexandre Julliard committed
708
{
709 710
    WINDOWPROC *ptr = handle_to_proc( proc );

711
    if (!ptr) return def_val;
712 713
    if (ptr->procA && ptr->procW) return def_val;  /* can be both */
    return (ptr->procW != NULL);
Alexandre Julliard's avatar
Alexandre Julliard committed
714
}
715 716


717 718 719 720 721
/**********************************************************************
 *	     WINPROC_TestLBForStr
 *
 * Return TRUE if the lparam is a string
 */
722
static inline BOOL WINPROC_TestLBForStr( HWND hwnd, UINT msg )
723
{
724
    DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
725 726 727 728
    if (msg <= CB_MSGMAX)
        return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
    else
        return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
729

730
}
Alexandre Julliard's avatar
Alexandre Julliard committed
731

Alexandre Julliard's avatar
Alexandre Julliard committed
732

733
static UINT_PTR convert_handle_16_to_32(HANDLE16 src, unsigned int flags)
734
{
735 736 737
    HANDLE      dst;
    UINT        sz = GlobalSize16(src);
    LPSTR       ptr16, ptr32;
738 739

    if (!(dst = GlobalAlloc(flags, sz)))
740
        return 0;
741 742 743 744 745 746
    ptr16 = GlobalLock16(src);
    ptr32 = GlobalLock(dst);
    if (ptr16 != NULL && ptr32 != NULL) memcpy(ptr32, ptr16, sz);
    GlobalUnlock16(src);
    GlobalUnlock(dst);

747
    return (UINT_PTR)dst;
748
}
Alexandre Julliard's avatar
Alexandre Julliard committed
749

750
static HANDLE16 convert_handle_32_to_16(UINT_PTR src, unsigned int flags)
751
{
752 753 754
    HANDLE16    dst;
    UINT        sz = GlobalSize((HANDLE)src);
    LPSTR       ptr16, ptr32;
755 756

    if (!(dst = GlobalAlloc16(flags, sz)))
757
        return 0;
758
    ptr32 = GlobalLock((HANDLE)src);
759 760
    ptr16 = GlobalLock16(dst);
    if (ptr16 != NULL && ptr32 != NULL) memcpy(ptr16, ptr32, sz);
761
    GlobalUnlock((HANDLE)src);
762 763 764 765 766
    GlobalUnlock16(dst);

    return dst;
}

Alexandre Julliard's avatar
Alexandre Julliard committed
767 768

/**********************************************************************
769
 *	     WINPROC_CallProcAtoW
Alexandre Julliard's avatar
Alexandre Julliard committed
770 771 772
 *
 * Call a window procedure, translating args from Ansi to Unicode.
 */
773
LRESULT WINPROC_CallProcAtoW( winproc_callback_t callback, HWND hwnd, UINT msg, WPARAM wParam,
774
                              LPARAM lParam, LRESULT *result, void *arg, enum wm_char_mapping mapping )
Alexandre Julliard's avatar
Alexandre Julliard committed
775
{
776
    LRESULT ret = 0;
Alexandre Julliard's avatar
Alexandre Julliard committed
777

778
    TRACE_(msg)("(hwnd=%p,msg=%s,wp=%08lx,lp=%08lx)\n",
779
                hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
780

781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828
    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 (HIWORD(csA->lpszClass))
            {
                class_lenA = strlen(csA->lpszClass) + 1;
                RtlMultiByteToUnicodeSize( &class_lenW, csA->lpszClass, class_lenA );
            }
            if (HIWORD(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;
829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866

    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 (HIWORD(csA->szTitle))
            {
                title_lenA = strlen(csA->szTitle) + 1;
                RtlMultiByteToUnicodeSize( &title_lenW, csA->szTitle, title_lenA );
            }
            if (HIWORD(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;
867 868 869 870 871 872 873 874 875 876

    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 );
877
            if (wParam)
878
            {
879 880 881
                len = 0;
                if (*result)
                    RtlUnicodeToMultiByteN( str, wParam - 1, &len, ptr, strlenW(ptr) * sizeof(WCHAR) );
882 883 884 885 886 887
                str[len] = 0;
                *result = len;
            }
            free_buffer( buffer, ptr );
        }
        break;
888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927

    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;
928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945

    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, (strlenW(buffer) + 1) * sizeof(WCHAR) );
                *result = len - 1;
            }
        }
        else ret = callback( hwnd, msg, wParam, lParam, result, arg );
        break;
946

947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963
    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 );
        }
964 965
        break;

966 967 968 969
    case WM_GETDLGCODE:
        if (lParam)
        {
            MSG newmsg = *(MSG *)lParam;
970 971
            if (map_wparam_AtoW( newmsg.message, &newmsg.wParam, WMCHAR_MAP_NOMAPPING ))
                ret = callback( hwnd, msg, wParam, (LPARAM)&newmsg, result, arg );
972 973 974 975
        }
        else ret = callback( hwnd, msg, wParam, lParam, result, arg );
        break;

976 977 978 979 980 981 982 983
    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:
984 985
        if (map_wparam_AtoW( msg, &wParam, mapping ))
            ret = callback( hwnd, msg, wParam, lParam, result, arg );
986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012
        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 );
        }
1013 1014
        break;

1015 1016 1017 1018 1019 1020
    case WM_PAINTCLIPBOARD:
    case WM_SIZECLIPBOARD:
        FIXME_(msg)( "message %s (0x%x) needs translation, please report\n",
                     SPY_GetMsgName(msg, hwnd), msg );
        break;

1021 1022 1023 1024
    default:
        ret = callback( hwnd, msg, wParam, lParam, result, arg );
        break;
    }
1025
    return ret;
Alexandre Julliard's avatar
Alexandre Julliard committed
1026 1027 1028
}


1029
/**********************************************************************
1030
 *	     WINPROC_CallProcWtoA
1031
 *
1032
 * Call a window procedure, translating args from Unicode to Ansi.
1033
 */
1034 1035
static LRESULT WINPROC_CallProcWtoA( winproc_callback_t callback, HWND hwnd, UINT msg, WPARAM wParam,
                                     LPARAM lParam, LRESULT *result, void *arg )
1036
{
1037 1038
    LRESULT ret = 0;

1039
    TRACE_(msg)("(hwnd=%p,msg=%s,wp=%08lx,lp=%08lx)\n",
1040
                hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
1041

1042 1043 1044 1045 1046 1047 1048
    switch(msg)
    {
    case WM_NCCREATE:
    case WM_CREATE:
        {   /* csW->lpszName and csW->lpszClass are NOT supposed to be atoms
             * at this point.
             */
1049
            char buffer[1024], *cls, *name;
1050 1051
            CREATESTRUCTW *csW = (CREATESTRUCTW *)lParam;
            CREATESTRUCTA csA = *(CREATESTRUCTA *)csW;
1052
            MDICREATESTRUCTA mdi_cs;
1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065
            DWORD name_lenA, name_lenW, class_lenA, class_lenW;

            class_lenW = strlenW(csW->lpszClass) * sizeof(WCHAR);
            RtlUnicodeToMultiByteSize(&class_lenA, csW->lpszClass, class_lenW);

            if (csW->lpszName)
            {
                name_lenW = strlenW(csW->lpszName) * sizeof(WCHAR);
                RtlUnicodeToMultiByteSize(&name_lenA, csW->lpszName, name_lenW);
            }
            else
                name_lenW = name_lenA = 0;

1066
            if (!(cls = get_buffer( buffer, sizeof(buffer), class_lenA + name_lenA + 2 ))) break;
1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087

            RtlUnicodeToMultiByteN(cls, class_lenA, NULL, csW->lpszClass, class_lenW);
            cls[class_lenA] = 0;
            csA.lpszClass = cls;

            if (csW->lpszName)
            {
                name = cls + class_lenA + 1;
                RtlUnicodeToMultiByteN(name, name_lenA, NULL, csW->lpszName, name_lenW);
                name[name_lenA] = 0;
                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;
            }

1088
            ret = callback( hwnd, msg, wParam, (LPARAM)&csA, result, arg );
1089
            free_buffer( buffer, cls );
1090
        }
1091
        break;
1092

1093 1094 1095 1096 1097 1098 1099
    case WM_GETTEXT:
    case WM_ASKCBFORMATNAME:
        {
            char *ptr, buffer[512];
            DWORD len = wParam * 2;

            if (!(ptr = get_buffer( buffer, sizeof(buffer), len ))) break;
1100
            ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
1101
            if (len)
1102
            {
1103 1104 1105 1106 1107
                if (*result)
                {
                    RtlMultiByteToUnicodeN( (LPWSTR)lParam, wParam*sizeof(WCHAR), &len, ptr, strlen(ptr)+1 );
                    *result = len/sizeof(WCHAR) - 1;  /* do not count terminating null */
                }
1108
                ((LPWSTR)lParam)[*result] = 0;
1109 1110 1111 1112 1113
            }
            free_buffer( buffer, ptr );
        }
        break;

1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125
    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 ))
        {
1126
            ret = callback( hwnd, msg, wParam, lParam, result, arg );
1127 1128 1129
            break;
        }
        /* fall through */
1130 1131 1132 1133 1134 1135 1136
    case WM_SETTEXT:
    case WM_WININICHANGE:
    case WM_DEVMODECHANGE:
    case CB_DIR:
    case LB_DIR:
    case LB_ADDFILE:
    case EM_REPLACESEL:
1137
        if (!lParam) ret = callback( hwnd, msg, wParam, lParam, result, arg );
1138 1139 1140 1141 1142 1143 1144 1145 1146 1147
        else
        {
            char *ptr, buffer[512];
            LPCWSTR strW = (LPCWSTR)lParam;
            DWORD lenA, lenW = (strlenW(strW) + 1) * sizeof(WCHAR);

            RtlUnicodeToMultiByteSize( &lenA, strW, lenW );
            if ((ptr = get_buffer( buffer, sizeof(buffer), lenA )))
            {
                RtlUnicodeToMultiByteN( ptr, lenA, NULL, strW, lenW );
1148
                ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
1149 1150 1151 1152 1153
                free_buffer( buffer, ptr );
            }
        }
        break;

1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185
    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 (HIWORD(csW->szTitle))
            {
                title_lenW = (strlenW(csW->szTitle) + 1) * sizeof(WCHAR);
                RtlUnicodeToMultiByteSize( &title_lenA, csW->szTitle, title_lenW );
            }
            if (HIWORD(csW->szClass))
            {
                class_lenW = (strlenW(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;
            }
1186
            ret = callback( hwnd, msg, wParam, (LPARAM)&csA, result, arg );
1187 1188 1189 1190
            free_buffer( buffer, ptr );
        }
        break;

1191 1192
    case LB_GETTEXT:
    case CB_GETLBTEXT:
1193
        if (lParam && WINPROC_TestLBForStr( hwnd, msg ))
1194 1195 1196
        {
            char buffer[512];  /* FIXME: fixed sized buffer */

1197 1198
            ret = callback( hwnd, msg, wParam, (LPARAM)buffer, result, arg );
            if (*result >= 0)
1199 1200 1201
            {
                DWORD len;
                RtlMultiByteToUnicodeN( (LPWSTR)lParam, ~0u, &len, buffer, strlen(buffer) + 1 );
1202
                *result = len / sizeof(WCHAR) - 1;
1203 1204
            }
        }
1205
        else ret = callback( hwnd, msg, wParam, lParam, result, arg );
1206 1207
        break;

1208 1209 1210 1211 1212 1213 1214
    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 */
1215 1216
            ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
            if (*result)
1217
            {
1218
                DWORD reslen;
1219
                RtlMultiByteToUnicodeN( (LPWSTR)lParam, len*sizeof(WCHAR), &reslen, ptr, *result );
1220 1221
                *result = reslen / sizeof(WCHAR);
                if (*result < len) ((LPWSTR)lParam)[*result] = 0;
1222 1223 1224 1225 1226
            }
            free_buffer( buffer, ptr );
        }
        break;

1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247
    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;

1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259
    case WM_CHAR:
        {
            WCHAR wch = wParam;
            char ch[2];
            DWORD len;

            RtlUnicodeToMultiByteN( ch, 2, &len, &wch, sizeof(wch) );
            ret = callback( hwnd, msg, (BYTE)ch[0], lParam, result, arg );
            if (len == 2) ret = callback( hwnd, msg, (BYTE)ch[1], lParam, result, arg );
        }
        break;

1260 1261 1262 1263 1264 1265
    case WM_CHARTOITEM:
    case WM_MENUCHAR:
    case WM_DEADCHAR:
    case WM_SYSCHAR:
    case WM_SYSDEADCHAR:
    case EM_SETPASSWORDCHAR:
1266
        ret = callback( hwnd, msg, map_wparam_char_WtoA(wParam,1), lParam, result, arg );
1267 1268
        break;

1269
    case WM_IME_CHAR:
1270
        ret = callback( hwnd, msg, map_wparam_char_WtoA(wParam,2), lParam, result, arg );
1271 1272
        break;

1273 1274 1275 1276 1277 1278
    case WM_PAINTCLIPBOARD:
    case WM_SIZECLIPBOARD:
        FIXME_(msg)( "message %s (%04x) needs translation, please report\n",
                     SPY_GetMsgName(msg, hwnd), msg );
        break;

1279
    default:
1280
        ret = callback( hwnd, msg, wParam, lParam, result, arg );
1281
        break;
1282
    }
1283

1284
    return ret;
Alexandre Julliard's avatar
Alexandre Julliard committed
1285 1286 1287 1288
}


/**********************************************************************
1289
 *	     WINPROC_CallProc16To32A
Alexandre Julliard's avatar
Alexandre Julliard committed
1290
 */
1291 1292
LRESULT WINPROC_CallProc16To32A( winproc_callback_t callback, HWND16 hwnd, UINT16 msg,
                                 WPARAM16 wParam, LPARAM lParam, LRESULT *result, void *arg )
Alexandre Julliard's avatar
Alexandre Julliard committed
1293
{
1294
    LRESULT ret = 0;
1295
    HWND hwnd32 = WIN_Handle32( hwnd );
Alexandre Julliard's avatar
Alexandre Julliard committed
1296

1297 1298
    TRACE_(msg)("(hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
                 hwnd32, SPY_GetMsgName(msg, hwnd32), wParam, lParam);
1299

1300 1301 1302 1303 1304 1305 1306 1307
    switch(msg)
    {
    case WM_NCCREATE:
    case WM_CREATE:
        {
            CREATESTRUCT16 *cs16 = MapSL(lParam);
            CREATESTRUCTA cs;
            MDICREATESTRUCTA mdi_cs;
1308

1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329
            CREATESTRUCT16to32A( cs16, &cs );
            if (GetWindowLongW(hwnd32, GWL_EXSTYLE) & WS_EX_MDICHILD)
            {
                MDICREATESTRUCT16 *mdi_cs16 = MapSL(cs16->lpCreateParams);
                MDICREATESTRUCT16to32A(mdi_cs16, &mdi_cs);
                cs.lpCreateParams = &mdi_cs;
            }
            ret = callback( hwnd32, msg, wParam, (LPARAM)&cs, result, arg );
            CREATESTRUCT32Ato16( &cs, cs16 );
        }
        break;
    case WM_MDICREATE:
        {
            MDICREATESTRUCT16 *cs16 = MapSL(lParam);
            MDICREATESTRUCTA cs;

            MDICREATESTRUCT16to32A( cs16, &cs );
            ret = callback( hwnd32, msg, wParam, (LPARAM)&cs, result, arg );
            MDICREATESTRUCT32Ato16( &cs, cs16 );
        }
        break;
1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348
    case WM_MDIACTIVATE:
        if (lParam)
            ret = callback( hwnd32, msg, (WPARAM)WIN_Handle32( HIWORD(lParam) ),
                            (LPARAM)WIN_Handle32( LOWORD(lParam) ), result, arg );
        else /* message sent to MDI client */
            ret = callback( hwnd32, msg, wParam, lParam, result, arg );
        break;
    case WM_MDIGETACTIVE:
        {
            BOOL maximized = FALSE;
            ret = callback( hwnd32, msg, wParam, (LPARAM)&maximized, result, arg );
            *result = MAKELRESULT( LOWORD(*result), maximized );
        }
        break;
    case WM_MDISETMENU:
        ret = callback( hwnd32, wParam ? WM_MDIREFRESHMENU : WM_MDISETMENU,
                        (WPARAM)HMENU_32(LOWORD(lParam)), (LPARAM)HMENU_32(HIWORD(lParam)),
                        result, arg );
        break;
1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393
    case WM_GETMINMAXINFO:
        {
            MINMAXINFO16 *mmi16 = MapSL(lParam);
            MINMAXINFO mmi;

            MINMAXINFO16to32( mmi16, &mmi );
            ret = callback( hwnd32, msg, wParam, (LPARAM)&mmi, result, arg );
            MINMAXINFO32to16( &mmi, mmi16 );
        }
        break;
    case WM_WINDOWPOSCHANGING:
    case WM_WINDOWPOSCHANGED:
        {
            WINDOWPOS16 *winpos16 = MapSL(lParam);
            WINDOWPOS winpos;

            WINDOWPOS16to32( winpos16, &winpos );
            ret = callback( hwnd32, msg, wParam, (LPARAM)&winpos, result, arg );
            WINDOWPOS32to16( &winpos, winpos16 );
        }
        break;
    case WM_NCCALCSIZE:
        {
            NCCALCSIZE_PARAMS16 *nc16 = MapSL(lParam);
            NCCALCSIZE_PARAMS nc;
            WINDOWPOS winpos;

            RECT16to32( &nc16->rgrc[0], &nc.rgrc[0] );
            if (wParam)
            {
                RECT16to32( &nc16->rgrc[1], &nc.rgrc[1] );
                RECT16to32( &nc16->rgrc[2], &nc.rgrc[2] );
                WINDOWPOS16to32( MapSL(nc16->lppos), &winpos );
                nc.lppos = &winpos;
            }
            ret = callback( hwnd32, msg, wParam, (LPARAM)&nc, result, arg );
            RECT32to16( &nc.rgrc[0], &nc16->rgrc[0] );
            if (wParam)
            {
                RECT32to16( &nc.rgrc[1], &nc16->rgrc[1] );
                RECT32to16( &nc.rgrc[2], &nc16->rgrc[2] );
                WINDOWPOS32to16( &winpos, MapSL(nc16->lppos) );
            }
        }
        break;
1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454
    case WM_COMPAREITEM:
        {
            COMPAREITEMSTRUCT16* cis16 = MapSL(lParam);
            COMPAREITEMSTRUCT cis;
            cis.CtlType    = cis16->CtlType;
            cis.CtlID      = cis16->CtlID;
            cis.hwndItem   = WIN_Handle32( cis16->hwndItem );
            cis.itemID1    = cis16->itemID1;
            cis.itemData1  = cis16->itemData1;
            cis.itemID2    = cis16->itemID2;
            cis.itemData2  = cis16->itemData2;
            cis.dwLocaleId = 0;  /* FIXME */
            ret = callback( hwnd32, msg, wParam, (LPARAM)&cis, result, arg );
        }
        break;
    case WM_DELETEITEM:
        {
            DELETEITEMSTRUCT16* dis16 = MapSL(lParam);
            DELETEITEMSTRUCT dis;
            dis.CtlType  = dis16->CtlType;
            dis.CtlID    = dis16->CtlID;
            dis.hwndItem = WIN_Handle32( dis16->hwndItem );
            dis.itemData = dis16->itemData;
            ret = callback( hwnd32, msg, wParam, (LPARAM)&dis, result, arg );
        }
        break;
    case WM_MEASUREITEM:
        {
            MEASUREITEMSTRUCT16* mis16 = MapSL(lParam);
            MEASUREITEMSTRUCT mis;
            mis.CtlType    = mis16->CtlType;
            mis.CtlID      = mis16->CtlID;
            mis.itemID     = mis16->itemID;
            mis.itemWidth  = mis16->itemWidth;
            mis.itemHeight = mis16->itemHeight;
            mis.itemData   = mis16->itemData;
            ret = callback( hwnd32, msg, wParam, (LPARAM)&mis, result, arg );
            mis16->itemWidth  = (UINT16)mis.itemWidth;
            mis16->itemHeight = (UINT16)mis.itemHeight;
        }
        break;
    case WM_DRAWITEM:
        {
            DRAWITEMSTRUCT16* dis16 = MapSL(lParam);
            DRAWITEMSTRUCT dis;
            dis.CtlType       = dis16->CtlType;
            dis.CtlID         = dis16->CtlID;
            dis.itemID        = dis16->itemID;
            dis.itemAction    = dis16->itemAction;
            dis.itemState     = dis16->itemState;
            dis.hwndItem      = (dis.CtlType == ODT_MENU) ? (HWND)HMENU_32(dis16->hwndItem)
                                                          : WIN_Handle32( dis16->hwndItem );
            dis.hDC           = HDC_32(dis16->hDC);
            dis.itemData      = dis16->itemData;
            dis.rcItem.left   = dis16->rcItem.left;
            dis.rcItem.top    = dis16->rcItem.top;
            dis.rcItem.right  = dis16->rcItem.right;
            dis.rcItem.bottom = dis16->rcItem.bottom;
            ret = callback( hwnd32, msg, wParam, (LPARAM)&dis, result, arg );
        }
        break;
1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491
    case WM_COPYDATA:
        {
            COPYDATASTRUCT16 *cds16 = MapSL(lParam);
            COPYDATASTRUCT cds;
            cds.dwData = cds16->dwData;
            cds.cbData = cds16->cbData;
            cds.lpData = MapSL(cds16->lpData);
            ret = callback( hwnd32, msg, wParam, (LPARAM)&cds, result, arg );
        }
        break;
    case WM_GETDLGCODE:
        if (lParam)
        {
            MSG16 *msg16 = MapSL(lParam);
            MSG msg32;
            msg32.hwnd    = WIN_Handle32( msg16->hwnd );
            msg32.message = msg16->message;
            msg32.wParam  = msg16->wParam;
            msg32.lParam  = msg16->lParam;
            msg32.time    = msg16->time;
            msg32.pt.x    = msg16->pt.x;
            msg32.pt.y    = msg16->pt.y;
            ret = callback( hwnd32, msg, wParam, (LPARAM)&msg32, result, arg );
        }
        else
            ret = callback( hwnd32, msg, wParam, lParam, result, arg );
        break;
    case WM_NEXTMENU:
        {
            MDINEXTMENU next;
            next.hmenuIn   = (HMENU)lParam;
            next.hmenuNext = 0;
            next.hwndNext  = 0;
            ret = callback( hwnd32, msg, wParam, (LPARAM)&next, result, arg );
            *result = MAKELONG( HMENU_16(next.hmenuNext), HWND_16(next.hwndNext) );
        }
        break;
1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543
    case WM_ACTIVATE:
    case WM_CHARTOITEM:
    case WM_COMMAND:
    case WM_VKEYTOITEM:
        ret = callback( hwnd32, msg, MAKEWPARAM( wParam, HIWORD(lParam) ),
                        (LPARAM)WIN_Handle32( LOWORD(lParam) ), result, arg );
        break;
    case WM_HSCROLL:
    case WM_VSCROLL:
        ret = callback( hwnd32, msg, MAKEWPARAM( wParam, LOWORD(lParam) ),
                        (LPARAM)WIN_Handle32( HIWORD(lParam) ), result, arg );
        break;
    case WM_CTLCOLOR:
        if (HIWORD(lParam) <= CTLCOLOR_STATIC)
            ret = callback( hwnd32, WM_CTLCOLORMSGBOX + HIWORD(lParam),
                            (WPARAM)HDC_32(wParam), (LPARAM)WIN_Handle32( LOWORD(lParam) ),
                            result, arg );
        break;
    case WM_GETTEXT:
    case WM_SETTEXT:
    case WM_WININICHANGE:
    case WM_DEVMODECHANGE:
    case WM_ASKCBFORMATNAME:
    case WM_NOTIFY:
        ret = callback( hwnd32, msg, wParam, (LPARAM)MapSL(lParam), result, arg );
        break;
    case WM_MENUCHAR:
        ret = callback( hwnd32, msg, MAKEWPARAM( wParam, LOWORD(lParam) ),
                        (LPARAM)HMENU_32(HIWORD(lParam)), result, arg );
        break;
    case WM_MENUSELECT:
        if((LOWORD(lParam) & MF_POPUP) && (LOWORD(lParam) != 0xFFFF))
        {
            HMENU hmenu = HMENU_32(HIWORD(lParam));
            UINT pos = MENU_FindSubMenu( &hmenu, HMENU_32(wParam) );
            if (pos == 0xffff) pos = 0;  /* NO_SELECTED_ITEM */
            wParam = pos;
        }
        ret = callback( hwnd32, msg, MAKEWPARAM( wParam, LOWORD(lParam) ),
                        (LPARAM)HMENU_32(HIWORD(lParam)), result, arg );
        break;
    case WM_PARENTNOTIFY:
        if ((wParam == WM_CREATE) || (wParam == WM_DESTROY))
            ret = callback( hwnd32, msg, MAKEWPARAM( wParam, HIWORD(lParam) ),
                            (LPARAM)WIN_Handle32( LOWORD(lParam) ), result, arg );
        else
            ret = callback( hwnd32, msg, wParam, lParam, result, arg );
        break;
    case WM_ACTIVATEAPP:
        /* We need this when SetActiveWindow sends a Sendmessage16() to
         * a 32bit window. Might be superflous with 32bit interprocess
         * message queues. */
1544 1545
        if (lParam) lParam = HTASK_32(lParam);
        ret = callback( hwnd32, msg, wParam, lParam, result, arg );
1546
        break;
1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557
    case WM_DDE_INITIATE:
    case WM_DDE_TERMINATE:
    case WM_DDE_UNADVISE:
    case WM_DDE_REQUEST:
        ret = callback( hwnd32, msg, (WPARAM)WIN_Handle32(wParam), lParam, result, arg );
        break;
    case WM_DDE_ADVISE:
    case WM_DDE_DATA:
    case WM_DDE_POKE:
        {
            HANDLE16 lo16 = LOWORD(lParam);
1558
            UINT_PTR lo32 = 0;
1559 1560 1561 1562 1563 1564 1565
            if (lo16 && !(lo32 = convert_handle_16_to_32(lo16, GMEM_DDESHARE))) break;
            lParam = PackDDElParam( msg, lo32, HIWORD(lParam) );
            ret = callback( hwnd32, msg, (WPARAM)WIN_Handle32(wParam), lParam, result, arg );
        }
        break; /* FIXME don't know how to free allocated memory (handle)  !! */
    case WM_DDE_ACK:
        {
1566 1567
            UINT_PTR lo = LOWORD(lParam);
            UINT_PTR hi = HIWORD(lParam);
1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584
            int flag = 0;
            char buf[2];

            if (GlobalGetAtomNameA(hi, buf, 2) > 0) flag |= 1;
            if (GlobalSize16(hi) != 0) flag |= 2;
            switch (flag)
            {
            case 0:
                if (hi)
                {
                    MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
                    hi = 0;
                }
                break;
            case 1:
                break; /* atom, nothing to do */
            case 3:
1585
                MESSAGE("DDE_ACK: %lx both atom and handle... choosing handle\n", hi);
1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598
                /* fall thru */
            case 2:
                hi = convert_handle_16_to_32(hi, GMEM_DDESHARE);
                break;
            }
            lParam = PackDDElParam( WM_DDE_ACK, lo, hi );
            ret = callback( hwnd32, msg, (WPARAM)WIN_Handle32(wParam), lParam, result, arg );
        }
        break; /* FIXME don't know how to free allocated memory (handle) !! */
    case WM_DDE_EXECUTE:
        lParam = convert_handle_16_to_32( lParam, GMEM_DDESHARE );
        ret = callback( hwnd32, msg, wParam, lParam, result, arg );
        break; /* FIXME don't know how to free allocated memory (handle) !! */
1599 1600 1601 1602
    case WM_PAINTCLIPBOARD:
    case WM_SIZECLIPBOARD:
        FIXME_(msg)( "message %04x needs translation\n", msg );
        break;
1603
    default:
1604
        ret = callback( hwnd32, msg, wParam, lParam, result, arg );
1605 1606
        break;
    }
1607
    return ret;
Alexandre Julliard's avatar
Alexandre Julliard committed
1608 1609 1610
}


1611 1612 1613 1614 1615 1616
/**********************************************************************
 *	     __wine_call_wndproc   (USER.1010)
 */
LRESULT WINAPI __wine_call_wndproc( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
                                    WINDOWPROC *proc )
{
1617 1618 1619 1620 1621
    LRESULT result;

    if (proc->procA)
        WINPROC_CallProc16To32A( call_window_proc, hwnd, msg, wParam, lParam, &result, proc->procA );
    else
1622
        WINPROC_CallProc16To32A( call_window_proc_AtoW, hwnd, msg, wParam, lParam, &result, proc->procW );
1623
    return result;
1624 1625 1626
}


Alexandre Julliard's avatar
Alexandre Julliard committed
1627 1628 1629 1630 1631
/**********************************************************************
 *	     WINPROC_CallProc32ATo16
 *
 * Call a 16-bit window procedure, translating the 32-bit args.
 */
1632 1633
LRESULT WINPROC_CallProc32ATo16( winproc_callback16_t callback, HWND hwnd, UINT msg,
                                 WPARAM wParam, LPARAM lParam, LRESULT *result, void *arg )
Alexandre Julliard's avatar
Alexandre Julliard committed
1634
{
1635
    LRESULT ret = 0;
Alexandre Julliard's avatar
Alexandre Julliard committed
1636

1637
    TRACE_(msg)("(hwnd=%p,msg=%s,wp=%08lx,lp=%08lx)\n",
1638
                hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
1639

1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689
    switch(msg)
    {
    case WM_NCCREATE:
    case WM_CREATE:
        {
            CREATESTRUCTA *cs32 = (CREATESTRUCTA *)lParam;
            CREATESTRUCT16 cs;
            MDICREATESTRUCT16 mdi_cs16;
            BOOL mdi_child = (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD);

            CREATESTRUCT32Ato16( cs32, &cs );
            cs.lpszName  = MapLS( cs32->lpszName );
            cs.lpszClass = MapLS( cs32->lpszClass );

            if (mdi_child)
            {
                MDICREATESTRUCTA *mdi_cs = (MDICREATESTRUCTA *)cs32->lpCreateParams;
                MDICREATESTRUCT32Ato16( mdi_cs, &mdi_cs16 );
                mdi_cs16.szTitle = MapLS( mdi_cs->szTitle );
                mdi_cs16.szClass = MapLS( mdi_cs->szClass );
                cs.lpCreateParams = MapLS( &mdi_cs16 );
            }
            lParam = MapLS( &cs );
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
            UnMapLS( lParam );
            UnMapLS( cs.lpszName );
            UnMapLS( cs.lpszClass );
            if (mdi_child)
            {
                UnMapLS( cs.lpCreateParams );
                UnMapLS( mdi_cs16.szTitle );
                UnMapLS( mdi_cs16.szClass );
            }
        }
        break;
    case WM_MDICREATE:
        {
            MDICREATESTRUCTA *cs32 = (MDICREATESTRUCTA *)lParam;
            MDICREATESTRUCT16 cs;

            MDICREATESTRUCT32Ato16( cs32, &cs );
            cs.szTitle = MapLS( cs32->szTitle );
            cs.szClass = MapLS( cs32->szClass );
            lParam = MapLS( &cs );
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
            UnMapLS( lParam );
            UnMapLS( cs.szTitle );
            UnMapLS( cs.szClass );
        }
        break;
1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705
    case WM_MDIACTIVATE:
        if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_MDICHILD)
            ret = callback( HWND_16(hwnd), msg, ((HWND)lParam == hwnd),
                            MAKELPARAM( LOWORD(lParam), LOWORD(wParam) ), result, arg );
        else
            ret = callback( HWND_16(hwnd), msg, HWND_16( (HWND)wParam ), 0, result, arg );
        break;
    case WM_MDIGETACTIVE:
        ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
        if (lParam) *(BOOL *)lParam = (BOOL16)HIWORD(*result);
        *result = (LRESULT)WIN_Handle32( LOWORD(*result) );
        break;
    case WM_MDISETMENU:
        ret = callback( HWND_16(hwnd), msg, (lParam == 0),
                        MAKELPARAM( LOWORD(wParam), LOWORD(lParam) ), result, arg );
        break;
1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757
    case WM_GETMINMAXINFO:
        {
            MINMAXINFO *mmi32 = (MINMAXINFO *)lParam;
            MINMAXINFO16 mmi;

            MINMAXINFO32to16( mmi32, &mmi );
            lParam = MapLS( &mmi );
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
            UnMapLS( lParam );
            MINMAXINFO16to32( &mmi, mmi32 );
        }
        break;
    case WM_NCCALCSIZE:
        {
            NCCALCSIZE_PARAMS *nc32 = (NCCALCSIZE_PARAMS *)lParam;
            NCCALCSIZE_PARAMS16 nc;
            WINDOWPOS16 winpos;

            RECT32to16( &nc32->rgrc[0], &nc.rgrc[0] );
            if (wParam)
            {
                RECT32to16( &nc32->rgrc[1], &nc.rgrc[1] );
                RECT32to16( &nc32->rgrc[2], &nc.rgrc[2] );
                WINDOWPOS32to16( nc32->lppos, &winpos );
                nc.lppos = MapLS( &winpos );
            }
            lParam = MapLS( &nc );
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
            UnMapLS( lParam );
            RECT16to32( &nc.rgrc[0], &nc32->rgrc[0] );
            if (wParam)
            {
                RECT16to32( &nc.rgrc[1], &nc32->rgrc[1] );
                RECT16to32( &nc.rgrc[2], &nc32->rgrc[2] );
                WINDOWPOS16to32( &winpos, nc32->lppos );
                UnMapLS( nc.lppos );
            }
        }
        break;
    case WM_WINDOWPOSCHANGING:
    case WM_WINDOWPOSCHANGED:
        {
            WINDOWPOS *winpos32 = (WINDOWPOS *)lParam;
            WINDOWPOS16 winpos;

            WINDOWPOS32to16( winpos32, &winpos );
            lParam = MapLS( &winpos );
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
            UnMapLS( lParam );
            WINDOWPOS16to32( &winpos, winpos32 );
        }
        break;
1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826
    case WM_COMPAREITEM:
        {
            COMPAREITEMSTRUCT *cis32 = (COMPAREITEMSTRUCT *)lParam;
            COMPAREITEMSTRUCT16 cis;
            cis.CtlType    = cis32->CtlType;
            cis.CtlID      = cis32->CtlID;
            cis.hwndItem   = HWND_16( cis32->hwndItem );
            cis.itemID1    = cis32->itemID1;
            cis.itemData1  = cis32->itemData1;
            cis.itemID2    = cis32->itemID2;
            cis.itemData2  = cis32->itemData2;
            lParam = MapLS( &cis );
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
            UnMapLS( lParam );
        }
        break;
    case WM_DELETEITEM:
        {
            DELETEITEMSTRUCT *dis32 = (DELETEITEMSTRUCT *)lParam;
            DELETEITEMSTRUCT16 dis;
            dis.CtlType  = dis32->CtlType;
            dis.CtlID    = dis32->CtlID;
            dis.itemID   = dis32->itemID;
            dis.hwndItem = (dis.CtlType == ODT_MENU) ? (HWND16)LOWORD(dis32->hwndItem)
                                                     : HWND_16( dis32->hwndItem );
            dis.itemData = dis32->itemData;
            lParam = MapLS( &dis );
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
            UnMapLS( lParam );
        }
        break;
    case WM_DRAWITEM:
        {
            DRAWITEMSTRUCT *dis32 = (DRAWITEMSTRUCT *)lParam;
            DRAWITEMSTRUCT16 dis;
            dis.CtlType       = dis32->CtlType;
            dis.CtlID         = dis32->CtlID;
            dis.itemID        = dis32->itemID;
            dis.itemAction    = dis32->itemAction;
            dis.itemState     = dis32->itemState;
            dis.hwndItem      = HWND_16( dis32->hwndItem );
            dis.hDC           = HDC_16(dis32->hDC);
            dis.itemData      = dis32->itemData;
            dis.rcItem.left   = dis32->rcItem.left;
            dis.rcItem.top    = dis32->rcItem.top;
            dis.rcItem.right  = dis32->rcItem.right;
            dis.rcItem.bottom = dis32->rcItem.bottom;
            lParam = MapLS( &dis );
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
            UnMapLS( lParam );
        }
        break;
    case WM_MEASUREITEM:
        {
            MEASUREITEMSTRUCT *mis32 = (MEASUREITEMSTRUCT *)lParam;
            MEASUREITEMSTRUCT16 mis;
            mis.CtlType    = mis32->CtlType;
            mis.CtlID      = mis32->CtlID;
            mis.itemID     = mis32->itemID;
            mis.itemWidth  = mis32->itemWidth;
            mis.itemHeight = mis32->itemHeight;
            mis.itemData   = mis32->itemData;
            lParam = MapLS( &mis );
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
            UnMapLS( lParam );
            mis32->itemWidth  = mis.itemWidth;
            mis32->itemHeight = mis.itemHeight;
        }
        break;
1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869
    case WM_COPYDATA:
        {
            COPYDATASTRUCT *cds32 = (COPYDATASTRUCT *)lParam;
            COPYDATASTRUCT16 cds;

            cds.dwData = cds32->dwData;
            cds.cbData = cds32->cbData;
            cds.lpData = MapLS( cds32->lpData );
            lParam = MapLS( &cds );
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
            UnMapLS( lParam );
            UnMapLS( cds.lpData );
        }
        break;
    case WM_GETDLGCODE:
        if (lParam)
        {
            MSG *msg32 = (MSG *)lParam;
            MSG16 msg16;

            msg16.hwnd    = HWND_16( msg32->hwnd );
            msg16.message = msg32->message;
            msg16.wParam  = msg32->wParam;
            msg16.lParam  = msg32->lParam;
            msg16.time    = msg32->time;
            msg16.pt.x    = msg32->pt.x;
            msg16.pt.y    = msg32->pt.y;
            lParam = MapLS( &msg16 );
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
            UnMapLS( lParam );
        }
        else
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
        break;
    case WM_NEXTMENU:
        {
            MDINEXTMENU *next = (MDINEXTMENU *)lParam;
            ret = callback( HWND_16(hwnd), msg, wParam, (LPARAM)next->hmenuIn, result, arg );
            next->hmenuNext = HMENU_32( LOWORD(*result) );
            next->hwndNext  = WIN_Handle32( HIWORD(*result) );
            *result = 0;
        }
        break;
1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881
    case WM_GETTEXT:
    case WM_ASKCBFORMATNAME:
        wParam = min( wParam, 0xff80 ); /* Must be < 64K */
        /* fall through */
    case WM_NOTIFY:
    case WM_SETTEXT:
    case WM_WININICHANGE:
    case WM_DEVMODECHANGE:
        lParam = MapLS( (void *)lParam );
        ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
        UnMapLS( lParam );
        break;
1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942
    case WM_ACTIVATE:
    case WM_CHARTOITEM:
    case WM_COMMAND:
    case WM_VKEYTOITEM:
        ret = callback( HWND_16(hwnd), msg, wParam, MAKELPARAM( (HWND16)lParam, HIWORD(wParam) ),
                        result, arg );
        break;
    case WM_HSCROLL:
    case WM_VSCROLL:
        ret = callback( HWND_16(hwnd), msg, wParam, MAKELPARAM( HIWORD(wParam), (HWND16)lParam ),
                        result, arg );
        break;
    case WM_CTLCOLORMSGBOX:
    case WM_CTLCOLOREDIT:
    case WM_CTLCOLORLISTBOX:
    case WM_CTLCOLORBTN:
    case WM_CTLCOLORDLG:
    case WM_CTLCOLORSCROLLBAR:
    case WM_CTLCOLORSTATIC:
        ret = callback( HWND_16(hwnd), WM_CTLCOLOR, wParam,
                        MAKELPARAM( (HWND16)lParam, msg - WM_CTLCOLORMSGBOX ), result, arg );
        break;
    case WM_MENUSELECT:
        if(HIWORD(wParam) & MF_POPUP)
        {
            HMENU hmenu;
            if ((HIWORD(wParam) != 0xffff) || lParam)
            {
                if ((hmenu = GetSubMenu( (HMENU)lParam, LOWORD(wParam) )))
                {
                    ret = callback( HWND_16(hwnd), msg, HMENU_16(hmenu),
                                    MAKELPARAM( HIWORD(wParam), (HMENU16)lParam ), result, arg );
                    break;
                }
            }
        }
        /* fall through */
    case WM_MENUCHAR:
        ret = callback( HWND_16(hwnd), msg, wParam,
                        MAKELPARAM( HIWORD(wParam), (HMENU16)lParam ), result, arg );
        break;
    case WM_PARENTNOTIFY:
        if ((LOWORD(wParam) == WM_CREATE) || (LOWORD(wParam) == WM_DESTROY))
            ret = callback( HWND_16(hwnd), msg, wParam,
                            MAKELPARAM( (HWND16)lParam, HIWORD(wParam) ), result, arg );
        else
            ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
        break;
    case WM_ACTIVATEAPP:
        ret = callback( HWND_16(hwnd), msg, wParam, HTASK_16( (HANDLE)lParam ), result, arg );
        break;
    case WM_PAINT:
        if (IsIconic( hwnd ) && GetClassLongPtrW( hwnd, GCLP_HICON ))
            ret = callback( HWND_16(hwnd), WM_PAINTICON, 1, lParam, result, arg );
        else
            ret = callback( HWND_16(hwnd), WM_PAINT, wParam, lParam, result, arg );
        break;
    case WM_ERASEBKGND:
        if (IsIconic( hwnd ) && GetClassLongPtrW( hwnd, GCLP_HICON )) msg = WM_ICONERASEBKGND;
        ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
        break;
1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983
    case WM_DDE_INITIATE:
    case WM_DDE_TERMINATE:
    case WM_DDE_UNADVISE:
    case WM_DDE_REQUEST:
        ret = callback( HWND_16(hwnd), msg, HWND_16((HWND)wParam), lParam, result, arg );
        break;
    case WM_DDE_ADVISE:
    case WM_DDE_DATA:
    case WM_DDE_POKE:
        {
            UINT_PTR lo32, hi;
            HANDLE16 lo16 = 0;

            UnpackDDElParam( msg, lParam, &lo32, &hi );
            if (lo32 && !(lo16 = convert_handle_32_to_16(lo32, GMEM_DDESHARE))) break;
            ret = callback( HWND_16(hwnd), msg, HWND_16((HWND)wParam),
                            MAKELPARAM(lo16, hi), result, arg );
        }
        break; /* FIXME don't know how to free allocated memory (handle)  !! */
    case WM_DDE_ACK:
        {
            UINT_PTR lo, hi;
            int flag = 0;
            char buf[2];

            UnpackDDElParam( msg, lParam, &lo, &hi );

            if (GlobalGetAtomNameA((ATOM)hi, buf, sizeof(buf)) > 0) flag |= 1;
            if (GlobalSize((HANDLE)hi) != 0) flag |= 2;
            switch (flag)
            {
            case 0:
                if (hi)
                {
                    MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
                    hi = 0;
                }
                break;
            case 1:
                break; /* atom, nothing to do */
            case 3:
1984
                MESSAGE("DDE_ACK: %lx both atom and handle... choosing handle\n", hi);
1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
                /* fall thru */
            case 2:
                hi = convert_handle_32_to_16(hi, GMEM_DDESHARE);
                break;
            }
            ret = callback( HWND_16(hwnd), msg, HWND_16((HWND)wParam),
                            MAKELPARAM(lo, hi), result, arg );
        }
        break; /* FIXME don't know how to free allocated memory (handle) !! */
    case WM_DDE_EXECUTE:
        lParam = convert_handle_32_to_16(lParam, GMEM_DDESHARE);
        ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
        break; /* FIXME don't know how to free allocated memory (handle) !! */
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
    case SBM_SETRANGE:
        ret = callback( HWND_16(hwnd), SBM_SETRANGE16, 0, MAKELPARAM(wParam, lParam), result, arg );
        break;
    case SBM_GETRANGE:
        ret = callback( HWND_16(hwnd), SBM_GETRANGE16, wParam, lParam, result, arg );
        *(LPINT)wParam = LOWORD(*result);
        *(LPINT)lParam = HIWORD(*result);
        break;
    case BM_GETCHECK:
    case BM_SETCHECK:
    case BM_GETSTATE:
    case BM_SETSTATE:
    case BM_SETSTYLE:
        ret = callback( HWND_16(hwnd), msg + BM_GETCHECK16 - BM_GETCHECK, wParam, lParam, result, arg );
        break;
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047
    case EM_GETSEL:
    case EM_GETRECT:
    case EM_SETRECT:
    case EM_SETRECTNP:
    case EM_SCROLL:
    case EM_LINESCROLL:
    case EM_SCROLLCARET:
    case EM_GETMODIFY:
    case EM_SETMODIFY:
    case EM_GETLINECOUNT:
    case EM_LINEINDEX:
    case EM_SETHANDLE:
    case EM_GETHANDLE:
    case EM_GETTHUMB:
    case EM_LINELENGTH:
    case EM_REPLACESEL:
    case EM_GETLINE:
    case EM_LIMITTEXT:
    case EM_CANUNDO:
    case EM_UNDO:
    case EM_FMTLINES:
    case EM_LINEFROMCHAR:
    case EM_SETTABSTOPS:
    case EM_SETPASSWORDCHAR:
    case EM_EMPTYUNDOBUFFER:
    case EM_GETFIRSTVISIBLELINE:
    case EM_SETREADONLY:
    case EM_SETWORDBREAKPROC:
    case EM_GETWORDBREAKPROC:
    case EM_GETPASSWORDCHAR:
        ret = callback( HWND_16(hwnd), msg + EM_GETSEL16 - EM_GETSEL, wParam, lParam, result, arg );
        break;
    case EM_SETSEL:
        ret = callback( HWND_16(hwnd), EM_SETSEL16, 0, MAKELPARAM( wParam, lParam ), result, arg );
        break;
2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165
    case LB_CARETOFF:
    case LB_CARETON:
    case LB_DELETESTRING:
    case LB_GETANCHORINDEX:
    case LB_GETCARETINDEX:
    case LB_GETCOUNT:
    case LB_GETCURSEL:
    case LB_GETHORIZONTALEXTENT:
    case LB_GETITEMDATA:
    case LB_GETITEMHEIGHT:
    case LB_GETSEL:
    case LB_GETSELCOUNT:
    case LB_GETTEXTLEN:
    case LB_GETTOPINDEX:
    case LB_RESETCONTENT:
    case LB_SELITEMRANGE:
    case LB_SELITEMRANGEEX:
    case LB_SETANCHORINDEX:
    case LB_SETCARETINDEX:
    case LB_SETCOLUMNWIDTH:
    case LB_SETCURSEL:
    case LB_SETHORIZONTALEXTENT:
    case LB_SETITEMDATA:
    case LB_SETITEMHEIGHT:
    case LB_SETSEL:
    case LB_SETTOPINDEX:
        ret = callback( HWND_16(hwnd), msg + LB_ADDSTRING16 - LB_ADDSTRING, wParam, lParam, result, arg );
        break;
    case LB_ADDSTRING:
    case LB_FINDSTRING:
    case LB_FINDSTRINGEXACT:
    case LB_INSERTSTRING:
    case LB_SELECTSTRING:
    case LB_GETTEXT:
    case LB_DIR:
    case LB_ADDFILE:
        lParam = MapLS( (LPSTR)lParam );
        ret = callback( HWND_16(hwnd), msg + LB_ADDSTRING16 - LB_ADDSTRING, wParam, lParam, result, arg );
        UnMapLS( lParam );
        break;
    case LB_GETSELITEMS:
        {
            INT *items32 = (INT *)lParam;
            INT16 *items, buffer[512];
            unsigned int i;

            wParam = min( wParam, 0x7f80 ); /* Must be < 64K */
            if (!(items = get_buffer( buffer, sizeof(buffer), wParam * sizeof(INT16) ))) break;
            lParam = MapLS( items );
            ret = callback( HWND_16(hwnd), LB_GETSELITEMS16, wParam, lParam, result, arg );
            UnMapLS( lParam );
            for (i = 0; i < wParam; i++) items32[i] = items[i];
            free_buffer( buffer, items );
        }
        break;
    case LB_SETTABSTOPS:
        if (wParam)
        {
            INT *stops32 = (INT *)lParam;
            INT16 *stops, buffer[512];
            unsigned int i;

            wParam = min( wParam, 0x7f80 ); /* Must be < 64K */
            if (!(stops = get_buffer( buffer, sizeof(buffer), wParam * sizeof(INT16) ))) break;
            for (i = 0; i < wParam; i++) stops[i] = stops32[i];
            lParam = MapLS( stops );
            ret = callback( HWND_16(hwnd), LB_SETTABSTOPS16, wParam, lParam, result, arg );
            UnMapLS( lParam );
            free_buffer( buffer, stops );
        }
        else ret = callback( HWND_16(hwnd), LB_SETTABSTOPS16, wParam, lParam, result, arg );
        break;
    case CB_DELETESTRING:
    case CB_GETCOUNT:
    case CB_GETLBTEXTLEN:
    case CB_LIMITTEXT:
    case CB_RESETCONTENT:
    case CB_SETEDITSEL:
    case CB_GETCURSEL:
    case CB_SETCURSEL:
    case CB_SHOWDROPDOWN:
    case CB_SETITEMDATA:
    case CB_SETITEMHEIGHT:
    case CB_GETITEMHEIGHT:
    case CB_SETEXTENDEDUI:
    case CB_GETEXTENDEDUI:
    case CB_GETDROPPEDSTATE:
        ret = callback( HWND_16(hwnd), msg + CB_GETEDITSEL16 - CB_GETEDITSEL, wParam, lParam, result, arg );
        break;
    case CB_GETEDITSEL:
        ret = callback( HWND_16(hwnd), CB_GETEDITSEL16, wParam, lParam, result, arg );
        if (wParam) *((PUINT)(wParam)) = LOWORD(*result);
        if (lParam) *((PUINT)(lParam)) = HIWORD(*result);  /* FIXME: substract 1? */
        break;
    case CB_ADDSTRING:
    case CB_FINDSTRING:
    case CB_FINDSTRINGEXACT:
    case CB_INSERTSTRING:
    case CB_SELECTSTRING:
    case CB_DIR:
    case CB_GETLBTEXT:
        lParam = MapLS( (LPSTR)lParam );
        ret = callback( HWND_16(hwnd), msg + CB_GETEDITSEL16 - CB_GETEDITSEL, wParam, lParam, result, arg );
        UnMapLS( lParam );
        break;
    case LB_GETITEMRECT:
    case CB_GETDROPPEDCONTROLRECT:
        {
            RECT *r32 = (RECT *)lParam;
            RECT16 rect;
            lParam = MapLS( &rect );
            ret = callback( HWND_16(hwnd),
                            (msg == LB_GETITEMRECT) ? LB_GETITEMRECT16 : CB_GETDROPPEDCONTROLRECT16,
                            wParam, lParam, result, arg );
            UnMapLS( lParam );
            RECT16to32( &rect, r32 );
        }
        break;
2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176
    case WM_PAINTCLIPBOARD:
    case WM_SIZECLIPBOARD:
        FIXME_(msg)( "message %04x needs translation\n", msg );
        break;
    /* the following messages should not be sent to 16-bit apps */
    case WM_SIZING:
    case WM_MOVING:
    case WM_CAPTURECHANGED:
    case WM_STYLECHANGING:
    case WM_STYLECHANGED:
        break;
2177
    default:
2178
        ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2179 2180
        break;
    }
2181
    return ret;
Alexandre Julliard's avatar
Alexandre Julliard committed
2182 2183 2184
}


2185 2186 2187 2188 2189 2190
/**********************************************************************
 *		WINPROC_call_window
 *
 * Call the window procedure of the specified window.
 */
BOOL WINPROC_call_window( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2191
                          LRESULT *result, BOOL unicode, enum wm_char_mapping mapping )
2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211
{
    WND *wndPtr;
    WINDOWPROC *proc;

    if (!(wndPtr = WIN_GetPtr( hwnd ))) return FALSE;
    if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
    if (wndPtr->tid != GetCurrentThreadId())
    {
        WIN_ReleasePtr( wndPtr );
        return FALSE;
    }
    proc = handle_to_proc( wndPtr->winproc );
    WIN_ReleasePtr( wndPtr );

    if (!proc) return TRUE;

    if (unicode)
    {
        if (proc->procW)
            call_window_proc( hwnd, msg, wParam, lParam, result, proc->procW );
2212
        else if (proc->procA)
2213
            WINPROC_CallProcWtoA( call_window_proc, hwnd, msg, wParam, lParam, result, proc->procA );
2214 2215
        else
            WINPROC_CallProcWtoA( call_window_proc_Ato16, hwnd, msg, wParam, lParam, result, proc->proc16 );
2216 2217 2218 2219 2220
    }
    else
    {
        if (proc->procA)
            call_window_proc( hwnd, msg, wParam, lParam, result, proc->procA );
2221
        else if (proc->procW)
2222
            WINPROC_CallProcAtoW( call_window_proc, hwnd, msg, wParam, lParam, result, proc->procW, mapping );
2223 2224
        else
            WINPROC_CallProc32ATo16( call_window_proc16, hwnd, msg, wParam, lParam, result, proc->proc16 );
2225 2226 2227 2228 2229
    }
    return TRUE;
}


Alexandre Julliard's avatar
Alexandre Julliard committed
2230
/**********************************************************************
2231
 *		CallWindowProc (USER.122)
Alexandre Julliard's avatar
Alexandre Julliard committed
2232
 */
Alexandre Julliard's avatar
Alexandre Julliard committed
2233 2234
LRESULT WINAPI CallWindowProc16( WNDPROC16 func, HWND16 hwnd, UINT16 msg,
                                 WPARAM16 wParam, LPARAM lParam )
Alexandre Julliard's avatar
Alexandre Julliard committed
2235
{
2236
    WINDOWPROC *proc;
2237
    LRESULT result;
2238 2239

    if (!func) return 0;
Alexandre Julliard's avatar
Alexandre Julliard committed
2240

2241
    if (!(proc = handle16_to_proc( func )))
2242 2243
        call_window_proc16( hwnd, msg, wParam, lParam, &result, func );
    else if (proc->procA)
2244 2245
        WINPROC_CallProc16To32A( call_window_proc, hwnd, msg, wParam, lParam, &result, proc->procA );
    else if (proc->procW)
2246
        WINPROC_CallProc16To32A( call_window_proc_AtoW, hwnd, msg, wParam, lParam, &result, proc->procW );
2247
    else
2248
        call_window_proc16( hwnd, msg, wParam, lParam, &result, proc->proc16 );
2249 2250

    return result;
Alexandre Julliard's avatar
Alexandre Julliard committed
2251 2252 2253 2254
}


/**********************************************************************
2255
 *		CallWindowProcA (USER32.@)
Alexandre Julliard's avatar
Alexandre Julliard committed
2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275
 *
 * 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
 *
2276
 *   ECMA-234, Win32
Alexandre Julliard's avatar
Alexandre Julliard committed
2277
 */
2278
LRESULT WINAPI CallWindowProcA(
2279 2280 2281 2282 2283
    WNDPROC func,  /* [in] window procedure */
    HWND hwnd,     /* [in] target window */
    UINT msg,      /* [in] message */
    WPARAM wParam, /* [in] message dependent parameter */
    LPARAM lParam  /* [in] message dependent parameter */
Alexandre Julliard's avatar
Alexandre Julliard committed
2284
) {
2285
    WINDOWPROC *proc;
2286
    LRESULT result;
2287 2288

    if (!func) return 0;
Alexandre Julliard's avatar
Alexandre Julliard committed
2289

2290 2291 2292 2293 2294 2295 2296
    if (!(proc = handle_to_proc( func )))
    {
        if ((proc = find_builtin_proc( func )) && !IsWindowUnicode( hwnd ))
            call_window_proc( hwnd, msg, wParam, lParam, &result, proc->procA );
        else
            call_window_proc( hwnd, msg, wParam, lParam, &result, func );
    }
2297 2298 2299
    else if (proc->procA)
        call_window_proc( hwnd, msg, wParam, lParam, &result, proc->procA );
    else if (proc->procW)
2300 2301
        WINPROC_CallProcAtoW( call_window_proc, hwnd, msg, wParam, lParam, &result,
                              proc->procW, WMCHAR_MAP_CALLWINDOWPROC );
2302
    else
2303
        WINPROC_CallProc32ATo16( call_window_proc16, hwnd, msg, wParam, lParam, &result, proc->proc16 );
2304
    return result;
Alexandre Julliard's avatar
Alexandre Julliard committed
2305 2306 2307 2308
}


/**********************************************************************
2309
 *		CallWindowProcW (USER32.@)
2310 2311
 *
 * See CallWindowProcA.
Alexandre Julliard's avatar
Alexandre Julliard committed
2312
 */
2313 2314
LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg,
                                  WPARAM wParam, LPARAM lParam )
Alexandre Julliard's avatar
Alexandre Julliard committed
2315
{
2316
    WINDOWPROC *proc;
2317
    LRESULT result;
Alexandre Julliard's avatar
Alexandre Julliard committed
2318

2319 2320
    if (!func) return 0;

2321 2322 2323 2324 2325 2326 2327
    if (!(proc = handle_to_proc( func )))
    {
        if ((proc = find_builtin_proc( func )) && IsWindowUnicode( hwnd ))
            call_window_proc( hwnd, msg, wParam, lParam, &result, proc->procW );
        else
            call_window_proc( hwnd, msg, wParam, lParam, &result, func );
    }
2328 2329 2330
    else if (proc->procW)
        call_window_proc( hwnd, msg, wParam, lParam, &result, proc->procW );
    else if (proc->procA)
2331
        WINPROC_CallProcWtoA( call_window_proc, hwnd, msg, wParam, lParam, &result, proc->procA );
2332
    else
2333
        WINPROC_CallProcWtoA( call_window_proc_Ato16, hwnd, msg, wParam, lParam, &result, proc->proc16 );
2334
    return result;
Alexandre Julliard's avatar
Alexandre Julliard committed
2335
}
2336 2337 2338 2339 2340 2341 2342 2343


/**********************************************************************
 *		WINPROC_CallDlgProc16
 */
INT_PTR WINPROC_CallDlgProc16( DLGPROC16 func, HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam )
{
    WINDOWPROC *proc;
2344 2345
    LRESULT result;
    INT_PTR ret;
2346 2347 2348 2349

    if (!func) return 0;

    if (!(proc = handle16_to_proc( (WNDPROC16)func )))
2350 2351 2352 2353
    {
        ret = call_dialog_proc16( hwnd, msg, wParam, lParam, &result, func );
    }
    else if (proc->procA)
2354 2355 2356 2357 2358 2359 2360
    {
        ret = WINPROC_CallProc16To32A( call_dialog_proc, hwnd, msg, wParam, lParam,
                                       &result, proc->procA );
        SetWindowLongPtrW( WIN_Handle32(hwnd), DWLP_MSGRESULT, result );
    }
    else if (proc->procW)
    {
2361
        ret = WINPROC_CallProc16To32A( call_dialog_proc_AtoW, hwnd, msg, wParam, lParam,
2362 2363 2364
                                       &result, proc->procW );
        SetWindowLongPtrW( WIN_Handle32(hwnd), DWLP_MSGRESULT, result );
    }
2365 2366 2367 2368
    else
    {
        ret = call_dialog_proc16( hwnd, msg, wParam, lParam, &result, proc->proc16 );
    }
2369
    return ret;
2370 2371 2372 2373 2374 2375 2376 2377 2378
}


/**********************************************************************
 *		WINPROC_CallDlgProcA
 */
INT_PTR WINPROC_CallDlgProcA( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
    WINDOWPROC *proc;
2379 2380
    LRESULT result;
    INT_PTR ret;
2381 2382 2383

    if (!func) return 0;

2384 2385 2386 2387 2388 2389 2390
    if (!(proc = handle_to_proc( func )))
    {
        if ((proc = find_builtin_proc( func )) && !IsWindowUnicode( hwnd ))
            ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, proc->procA );
        else
            ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, func );
    }
2391 2392 2393 2394
    else if (proc->procA)
        ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, proc->procA );
    else if (proc->procW)
    {
2395 2396
        ret = WINPROC_CallProcAtoW( call_dialog_proc, hwnd, msg, wParam, lParam, &result,
                                    proc->procW, WMCHAR_MAP_CALLWINDOWPROC );
2397 2398 2399
        SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );
    }
    else
2400 2401 2402 2403
    {
        ret = WINPROC_CallProc32ATo16( call_dialog_proc16, hwnd, msg, wParam, lParam, &result, proc->proc16 );
        SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );
    }
2404
    return ret;
2405 2406 2407 2408 2409 2410 2411 2412 2413
}


/**********************************************************************
 *		WINPROC_CallDlgProcW
 */
INT_PTR WINPROC_CallDlgProcW( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
    WINDOWPROC *proc;
2414 2415
    LRESULT result;
    INT_PTR ret;
2416 2417 2418

    if (!func) return 0;

2419 2420 2421 2422 2423 2424 2425
    if (!(proc = handle_to_proc( func )))
    {
        if ((proc = find_builtin_proc( func )) && IsWindowUnicode( hwnd ))
            ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, proc->procW );
        else
            ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, func );
    }
2426 2427 2428
    else if (proc->procW)
        ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, proc->procW );
    else if (proc->procA)
2429
    {
2430
        ret = WINPROC_CallProcWtoA( call_dialog_proc, hwnd, msg, wParam, lParam, &result, proc->procA );
2431 2432
        SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );
    }
2433
    else
2434
    {
2435
        ret = WINPROC_CallProcWtoA( call_dialog_proc_Ato16, hwnd, msg, wParam, lParam, &result, proc->proc16 );
2436 2437
        SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );
    }
2438
    return ret;
2439
}