dlls/user/msg16.c

   1 /*
   2  * 16-bit messaging support
   3  *
   4  * Copyright 2001 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "wine/winuser16.h"
  22 #include "wownt32.h"
  23 #include "winerror.h"
  24 #include "win.h"
  25 #include "user_private.h"
  26 #include "winproc.h"
  27 #include "wine/debug.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(msg);
  30
  31 DWORD USER16_AlertableWait = 0;
  32
  33 /***********************************************************************
  34  *              SendMessage  (USER.111)
  35  */
  36 LRESULT WINAPI SendMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
  37 {
  38     LRESULT result;
  39     UINT msg32;
  40     WPARAM wparam32;
  41     HWND hwnd = WIN_Handle32( hwnd16 );
  42
  43     if (hwnd != HWND_BROADCAST && WIN_IsCurrentThread(hwnd))
  44     {
  45         /* call 16-bit window proc directly */
  46         WNDPROC16 winproc;
  47
  48         /* first the WH_CALLWNDPROC hook */
  49         if (HOOK_IsHooked( WH_CALLWNDPROC ))
  50         {
  51             LPARAM lparam32 = lparam;
  52
  53             if (WINPROC_MapMsg16To32A( hwnd, msg, wparam, &msg32, &wparam32, &lparam32 ) != -1)
  54             {
  55                 CWPSTRUCT cwp;
  56
  57                 cwp.hwnd    = hwnd;
  58                 cwp.message = msg32;
  59                 cwp.wParam  = wparam32;
  60                 cwp.lParam  = lparam32;
  61                 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp, FALSE );
  62                 WINPROC_UnmapMsg16To32A( hwnd, msg32, wparam32, lparam32, 0 );
  63                 /* FIXME: should reflect changes back into the message we send */
  64             }
  65         }
  66
  67         if (!(winproc = (WNDPROC16)GetWindowLong16( hwnd16, GWLP_WNDPROC ))) return 0;
  68
  69         SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wparam, lparam );
  70         result = CallWindowProc16( (WNDPROC16)winproc, hwnd16, msg, wparam, lparam );
  71         SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, result, wparam, lparam );
  72     }
  73     else  /* map to 32-bit unicode for inter-thread/process message */
  74     {
  75         if (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ) == -1)
  76             return 0;
  77         result = WINPROC_UnmapMsg16To32W( hwnd, msg32, wparam32, lparam,
  78                                           SendMessageW( hwnd, msg32, wparam32, lparam ) );
  79     }
  80     return result;
  81 }
  82
  83
  84 /***********************************************************************
  85  *              PostMessage  (USER.110)
  86  */
  87 BOOL16 WINAPI PostMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
  88 {
  89     WPARAM wparam32;
  90     UINT msg32;
  91     HWND hwnd = WIN_Handle32( hwnd16 );
  92
  93     switch (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ))
  94     {
  95     case 0:
  96         return PostMessageW( hwnd, msg32, wparam32, lparam );
  97     case 1:
  98         ERR( "16-bit message 0x%04x contains pointer, cannot post\n", msg );
  99         return FALSE;
 100     default:
 101         return FALSE;
 102     }
 103 }
 104
 105
 106 /***********************************************************************
 107  *              PostAppMessage (USER.116)
 108  */
 109 BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
 110 {
 111     WPARAM wparam32;
 112     UINT msg32;
 113     DWORD tid = HTASK_32( hTask );
 114     if (!tid) return FALSE;
 115
 116     switch (WINPROC_MapMsg16To32W( 0, msg, wparam, &msg32, &wparam32, &lparam ))
 117     {
 118     case 0:
 119         return PostThreadMessageW( tid, msg32, wparam32, lparam );
 120     case 1:
 121         ERR( "16-bit message %x contains pointer, cannot post\n", msg );
 122         return FALSE;
 123     default:
 124         return FALSE;
 125     }
 126 }
 127
 128
 129 /***********************************************************************
 130  *              InSendMessage  (USER.192)
 131  */
 132 BOOL16 WINAPI InSendMessage16(void)
 133 {
 134     return InSendMessage();
 135 }
 136
 137
 138 /***********************************************************************
 139  *              ReplyMessage  (USER.115)
 140  */
 141 void WINAPI ReplyMessage16( LRESULT result )
 142 {
 143     ReplyMessage( result );
 144 }
 145
 146
 147 /***********************************************************************
 148  *              PeekMessage32 (USER.819)
 149  */
 150 BOOL16 WINAPI PeekMessage32_16( MSG32_16 *msg16, HWND16 hwnd16,
 151                                 UINT16 first, UINT16 last, UINT16 flags,
 152                                 BOOL16 wHaveParamHigh )
 153 {
 154     MSG msg;
 155     HWND hwnd = WIN_Handle32( hwnd16 );
 156
 157     if(USER16_AlertableWait)
 158         MsgWaitForMultipleObjectsEx( 0, NULL, 1, 0, MWMO_ALERTABLE );
 159     if (!PeekMessageW( &msg, hwnd, first, last, flags )) return FALSE;
 160
 161     msg16->msg.hwnd    = HWND_16( msg.hwnd );
 162     msg16->msg.lParam  = msg.lParam;
 163     msg16->msg.time    = msg.time;
 164     msg16->msg.pt.x    = (INT16)msg.pt.x;
 165     msg16->msg.pt.y    = (INT16)msg.pt.y;
 166     if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
 167
 168     return (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
 169                                    &msg16->msg.message, &msg16->msg.wParam,
 170                                    &msg16->msg.lParam ) != -1);
 171 }
 172
 173
 174 /***********************************************************************
 175  *              DefWindowProc (USER.107)
 176  */
 177 LRESULT WINAPI DefWindowProc16( HWND16 hwnd16, UINT16 msg, WPARAM16 wParam, LPARAM lParam )
 178 {
 179     LRESULT result;
 180     HWND hwnd = WIN_Handle32( hwnd16 );
 181
 182     SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
 183
 184     switch(msg)
 185     {
 186     case WM_NCCREATE:
 187         {
 188             CREATESTRUCT16 *cs16 = MapSL(lParam);
 189             CREATESTRUCTA cs32;
 190
 191             cs32.lpCreateParams = (LPVOID)cs16->lpCreateParams;
 192             cs32.hInstance      = HINSTANCE_32(cs16->hInstance);
 193             cs32.hMenu          = HMENU_32(cs16->hMenu);
 194             cs32.hwndParent     = WIN_Handle32(cs16->hwndParent);
 195             cs32.cy             = cs16->cy;
 196             cs32.cx             = cs16->cx;
 197             cs32.y              = cs16->y;
 198             cs32.x              = cs16->x;
 199             cs32.style          = cs16->style;
 200             cs32.dwExStyle      = cs16->dwExStyle;
 201             cs32.lpszName       = MapSL(cs16->lpszName);
 202             cs32.lpszClass      = MapSL(cs16->lpszClass);
 203             result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&cs32 );
 204         }
 205         break;
 206
 207     case WM_NCCALCSIZE:
 208         {
 209             RECT16 *rect16 = MapSL(lParam);
 210             RECT rect32;
 211
 212             rect32.left    = rect16->left;
 213             rect32.top     = rect16->top;
 214             rect32.right   = rect16->right;
 215             rect32.bottom  = rect16->bottom;
 216
 217             result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&rect32 );
 218
 219             rect16->left   = rect32.left;
 220             rect16->top    = rect32.top;
 221             rect16->right  = rect32.right;
 222             rect16->bottom = rect32.bottom;
 223         }
 224         break;
 225
 226     case WM_WINDOWPOSCHANGING:
 227     case WM_WINDOWPOSCHANGED:
 228         {
 229             WINDOWPOS16 *pos16 = MapSL(lParam);
 230             WINDOWPOS pos32;
 231
 232             pos32.hwnd             = WIN_Handle32(pos16->hwnd);
 233             pos32.hwndInsertAfter  = WIN_Handle32(pos16->hwndInsertAfter);
 234             pos32.x                = pos16->x;
 235             pos32.y                = pos16->y;
 236             pos32.cx               = pos16->cx;
 237             pos32.cy               = pos16->cy;
 238             pos32.flags            = pos16->flags;
 239
 240             result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&pos32 );
 241
 242             pos16->hwnd            = HWND_16(pos32.hwnd);
 243             pos16->hwndInsertAfter = HWND_16(pos32.hwndInsertAfter);
 244             pos16->x               = pos32.x;
 245             pos16->y               = pos32.y;
 246             pos16->cx              = pos32.cx;
 247             pos16->cy              = pos32.cy;
 248             pos16->flags           = pos32.flags;
 249         }
 250         break;
 251
 252     case WM_GETTEXT:
 253     case WM_SETTEXT:
 254         result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)MapSL(lParam) );
 255         break;
 256
 257     default:
 258         result = DefWindowProcA( hwnd, msg, wParam, lParam );
 259         break;
 260     }
 261
 262     SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result, wParam, lParam );
 263     return result;
 264 }
 265
 266
 267 /***********************************************************************
 268  *              PeekMessage  (USER.109)
 269  */
 270 BOOL16 WINAPI PeekMessage16( MSG16 *msg, HWND16 hwnd,
 271                              UINT16 first, UINT16 last, UINT16 flags )
 272 {
 273     return PeekMessage32_16( (MSG32_16 *)msg, hwnd, first, last, flags, FALSE );
 274 }
 275
 276
 277 /***********************************************************************
 278  *              GetMessage32  (USER.820)
 279  */
 280 BOOL16 WINAPI GetMessage32_16( MSG32_16 *msg16, HWND16 hwnd16, UINT16 first,
 281                                UINT16 last, BOOL16 wHaveParamHigh )
 282 {
 283     MSG msg;
 284     HWND hwnd = WIN_Handle32( hwnd16 );
 285
 286     do
 287     {
 288         if(USER16_AlertableWait)
 289             MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, 0, MWMO_ALERTABLE );
 290         GetMessageW( &msg, hwnd, first, last );
 291         msg16->msg.hwnd    = HWND_16( msg.hwnd );
 292         msg16->msg.lParam  = msg.lParam;
 293         msg16->msg.time    = msg.time;
 294         msg16->msg.pt.x    = (INT16)msg.pt.x;
 295         msg16->msg.pt.y    = (INT16)msg.pt.y;
 296         if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
 297     }
 298     while (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
 299                                   &msg16->msg.message, &msg16->msg.wParam,
 300                                   &msg16->msg.lParam ) == -1);
 301
 302     TRACE( "message %04x, hwnd %p, filter(%04x - %04x)\n",
 303            msg16->msg.message, hwnd, first, last );
 304
 305     return msg16->msg.message != WM_QUIT;
 306 }
 307
 308
 309 /***********************************************************************
 310  *              GetMessage  (USER.108)
 311  */
 312 BOOL16 WINAPI GetMessage16( MSG16 *msg, HWND16 hwnd, UINT16 first, UINT16 last )
 313 {
 314     return GetMessage32_16( (MSG32_16 *)msg, hwnd, first, last, FALSE );
 315 }
 316
 317
 318 /***********************************************************************
 319  *              TranslateMessage32 (USER.821)
 320  */
 321 BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh )
 322 {
 323     MSG msg32;
 324
 325     msg32.hwnd    = WIN_Handle32( msg->msg.hwnd );
 326     msg32.message = msg->msg.message;
 327     msg32.wParam  = MAKEWPARAM( msg->msg.wParam, wHaveParamHigh ? msg->wParamHigh : 0 );
 328     msg32.lParam  = msg->msg.lParam;
 329     return TranslateMessage( &msg32 );
 330 }
 331
 332
 333 /***********************************************************************
 334  *              TranslateMessage (USER.113)
 335  */
 336 BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
 337 {
 338     return TranslateMessage32_16( (const MSG32_16 *)msg, FALSE );
 339 }
 340
 341
 342 /***********************************************************************
 343  *              DispatchMessage (USER.114)
 344  */
 345 LONG WINAPI DispatchMessage16( const MSG16* msg )
 346 {
 347     WND * wndPtr;
 348     WNDPROC16 winproc;
 349     LONG retval;
 350     HWND hwnd = WIN_Handle32( msg->hwnd );
 351
 352       /* Process timer messages */
 353     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
 354     {
 355         if (msg->lParam)
 356             return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd,
 357                                      msg->message, msg->wParam, GetTickCount() );
 358     }
 359
 360     if (!(wndPtr = WIN_GetPtr( hwnd )))
 361     {
 362         if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
 363         return 0;
 364     }
 365     if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
 366     {
 367         if (IsWindow( hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
 368         else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
 369         return 0;
 370     }
 371     winproc = (WNDPROC16)wndPtr->winproc;
 372     WIN_ReleasePtr( wndPtr );
 373
 374     SPY_EnterMessage( SPY_DISPATCHMESSAGE16, hwnd, msg->message, msg->wParam, msg->lParam );
 375     retval = CallWindowProc16( winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam );
 376     SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg->message, retval, msg->wParam, msg->lParam );
 377
 378     return retval;
 379 }
 380
 381
 382 /***********************************************************************
 383  *              DispatchMessage32 (USER.822)
 384  */
 385 LONG WINAPI DispatchMessage32_16( const MSG32_16 *msg16, BOOL16 wHaveParamHigh )
 386 {
 387     if (wHaveParamHigh == FALSE)
 388         return DispatchMessage16( &msg16->msg );
 389     else
 390     {
 391         MSG msg;
 392
 393         msg.hwnd    = WIN_Handle32( msg16->msg.hwnd );
 394         msg.message = msg16->msg.message;
 395         msg.wParam  = MAKEWPARAM( msg16->msg.wParam, msg16->wParamHigh );
 396         msg.lParam  = msg16->msg.lParam;
 397         msg.time    = msg16->msg.time;
 398         msg.pt.x    = msg16->msg.pt.x;
 399         msg.pt.y    = msg16->msg.pt.y;
 400         return DispatchMessageA( &msg );
 401     }
 402 }
 403
 404
 405 /***********************************************************************
 406  *              IsDialogMessage (USER.90)
 407  */
 408 BOOL16 WINAPI IsDialogMessage16( HWND16 hwndDlg, MSG16 *msg16 )
 409 {
 410     MSG msg;
 411     HWND hwndDlg32;
 412
 413     msg.hwnd  = WIN_Handle32(msg16->hwnd);
 414     hwndDlg32 = WIN_Handle32(hwndDlg);
 415
 416     switch(msg16->message)
 417     {
 418     case WM_KEYDOWN:
 419     case WM_CHAR:
 420     case WM_SYSCHAR:
 421         msg.lParam = msg16->lParam;
 422         WINPROC_MapMsg16To32W( msg.hwnd, msg16->message, msg16->wParam,
 423                                &msg.message, &msg.wParam, &msg.lParam );
 424         /* these messages don't need an unmap */
 425         return IsDialogMessageW( hwndDlg32, &msg );
 426     }
 427
 428     if ((hwndDlg32 != msg.hwnd) && !IsChild( hwndDlg32, msg.hwnd )) return FALSE;
 429     TranslateMessage16( msg16 );
 430     DispatchMessage16( msg16 );
 431     return TRUE;
 432 }
 433
 434
 435 /***********************************************************************
 436  *              MsgWaitForMultipleObjects  (USER.640)
 437  */
 438 DWORD WINAPI MsgWaitForMultipleObjects16( DWORD count, CONST HANDLE *handles,
 439                                           BOOL wait_all, DWORD timeout, DWORD mask )
 440 {
 441     return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
 442                                         wait_all ? MWMO_WAITALL : 0 );
 443 }
 444
 445
 446 /**********************************************************************
 447  *              SetDoubleClickTime (USER.20)
 448  */
 449 void WINAPI SetDoubleClickTime16( UINT16 interval )
 450 {
 451     SetDoubleClickTime( interval );
 452 }
 453
 454
 455 /**********************************************************************
 456  *              GetDoubleClickTime (USER.21)
 457  */
 458 UINT16 WINAPI GetDoubleClickTime16(void)
 459 {
 460     return GetDoubleClickTime();
 461 }
 462
 463
 464 /***********************************************************************
 465  *              PostQuitMessage (USER.6)
 466  */
 467 void WINAPI PostQuitMessage16( INT16 exitCode )
 468 {
 469     PostQuitMessage( exitCode );
 470 }
 471
 472
 473 /**********************************************************************
 474  *              GetKeyState (USER.106)
 475  */
 476 INT16 WINAPI GetKeyState16(INT16 vkey)
 477 {
 478     return GetKeyState(vkey);
 479 }
 480
 481
 482 /**********************************************************************
 483  *              GetKeyboardState (USER.222)
 484  */
 485 BOOL WINAPI GetKeyboardState16( LPBYTE state )
 486 {
 487     return GetKeyboardState( state );
 488 }
 489
 490
 491 /**********************************************************************
 492  *              SetKeyboardState (USER.223)
 493  */
 494 BOOL WINAPI SetKeyboardState16( LPBYTE state )
 495 {
 496     return SetKeyboardState( state );
 497 }
 498
 499
 500 /***********************************************************************
 501  *              SetMessageQueue (USER.266)
 502  */
 503 BOOL16 WINAPI SetMessageQueue16( INT16 size )
 504 {
 505     return SetMessageQueue( size );
 506 }
 507
 508
 509 /***********************************************************************
 510  *              GetQueueStatus (USER.334)
 511  */
 512 DWORD WINAPI GetQueueStatus16( UINT16 flags )
 513 {
 514     return GetQueueStatus( flags );
 515 }
 516
 517
 518 /***********************************************************************
 519  *              GetInputState (USER.335)
 520  */
 521 BOOL16 WINAPI GetInputState16(void)
 522 {
 523     return GetInputState();
 524 }
 525
 526
 527 /**********************************************************************
 528  *           TranslateAccelerator      (USER.178)
 529  */
 530 INT16 WINAPI TranslateAccelerator16( HWND16 hwnd, HACCEL16 hAccel, LPMSG16 msg )
 531 {
 532     MSG msg32;
 533
 534     if (!msg) return 0;
 535     msg32.message = msg->message;
 536     /* msg32.hwnd not used */
 537     msg32.wParam  = msg->wParam;
 538     msg32.lParam  = msg->lParam;
 539     return TranslateAcceleratorW( WIN_Handle32(hwnd), HACCEL_32(hAccel), &msg32 );
 540 }
 541
 542
 543 /**********************************************************************
 544  *              TranslateMDISysAccel (USER.451)
 545  */
 546 BOOL16 WINAPI TranslateMDISysAccel16( HWND16 hwndClient, LPMSG16 msg )
 547 {
 548     if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
 549     {
 550         MSG msg32;
 551         msg32.hwnd    = WIN_Handle32(msg->hwnd);
 552         msg32.message = msg->message;
 553         msg32.wParam  = msg->wParam;
 554         msg32.lParam  = msg->lParam;
 555         /* MDICLIENTINFO is still the same for win32 and win16 ... */
 556         return TranslateMDISysAccel( WIN_Handle32(hwndClient), &msg32 );
 557     }
 558     return 0;
 559 }