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                                           NULL );
  80     }
  81     return result;
  82 }
  83
  84
  85 /***********************************************************************
  86  *              PostMessage  (USER.110)
  87  */
  88 BOOL16 WINAPI PostMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
  89 {
  90     WPARAM wparam32;
  91     UINT msg32;
  92     HWND hwnd = WIN_Handle32( hwnd16 );
  93
  94     switch (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ))
  95     {
  96     case 0:
  97         return PostMessageW( hwnd, msg32, wparam32, lparam );
  98     case 1:
  99         ERR( "16-bit message 0x%04x contains pointer, cannot post\n", msg );
 100         return FALSE;
 101     default:
 102         return FALSE;
 103     }
 104 }
 105
 106
 107 /***********************************************************************
 108  *              PostAppMessage (USER.116)
 109  */
 110 BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
 111 {
 112     WPARAM wparam32;
 113     UINT msg32;
 114     DWORD tid = HTASK_32( hTask );
 115     if (!tid) return FALSE;
 116
 117     switch (WINPROC_MapMsg16To32W( 0, msg, wparam, &msg32, &wparam32, &lparam ))
 118     {
 119     case 0:
 120         return PostThreadMessageW( tid, msg32, wparam32, lparam );
 121     case 1:
 122         ERR( "16-bit message %x contains pointer, cannot post\n", msg );
 123         return FALSE;
 124     default:
 125         return FALSE;
 126     }
 127 }
 128
 129
 130 /***********************************************************************
 131  *              InSendMessage  (USER.192)
 132  */
 133 BOOL16 WINAPI InSendMessage16(void)
 134 {
 135     return InSendMessage();
 136 }
 137
 138
 139 /***********************************************************************
 140  *              ReplyMessage  (USER.115)
 141  */
 142 void WINAPI ReplyMessage16( LRESULT result )
 143 {
 144     ReplyMessage( result );
 145 }
 146
 147
 148 /***********************************************************************
 149  *              PeekMessage32 (USER.819)
 150  */
 151 BOOL16 WINAPI PeekMessage32_16( MSG32_16 *msg16, HWND16 hwnd16,
 152                                 UINT16 first, UINT16 last, UINT16 flags,
 153                                 BOOL16 wHaveParamHigh )
 154 {
 155     MSG msg;
 156     HWND hwnd = WIN_Handle32( hwnd16 );
 157
 158     if(USER16_AlertableWait)
 159         MsgWaitForMultipleObjectsEx( 0, NULL, 1, 0, MWMO_ALERTABLE );
 160     if (!PeekMessageW( &msg, hwnd, first, last, flags )) return FALSE;
 161
 162     msg16->msg.hwnd    = HWND_16( msg.hwnd );
 163     msg16->msg.lParam  = msg.lParam;
 164     msg16->msg.time    = msg.time;
 165     msg16->msg.pt.x    = (INT16)msg.pt.x;
 166     msg16->msg.pt.y    = (INT16)msg.pt.y;
 167     if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
 168
 169     return (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
 170                                    &msg16->msg.message, &msg16->msg.wParam,
 171                                    &msg16->msg.lParam ) != -1);
 172 }
 173
 174
 175 /***********************************************************************
 176  *              DefWindowProc (USER.107)
 177  */
 178 LRESULT WINAPI DefWindowProc16( HWND16 hwnd16, UINT16 msg, WPARAM16 wParam, LPARAM lParam )
 179 {
 180     LRESULT result;
 181     HWND hwnd = WIN_Handle32( hwnd16 );
 182
 183     SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
 184
 185     switch(msg)
 186     {
 187     case WM_NCCREATE:
 188         {
 189             CREATESTRUCT16 *cs16 = MapSL(lParam);
 190             CREATESTRUCTA cs32;
 191
 192             cs32.lpCreateParams = (LPVOID)cs16->lpCreateParams;
 193             cs32.hInstance      = HINSTANCE_32(cs16->hInstance);
 194             cs32.hMenu          = HMENU_32(cs16->hMenu);
 195             cs32.hwndParent     = WIN_Handle32(cs16->hwndParent);
 196             cs32.cy             = cs16->cy;
 197             cs32.cx             = cs16->cx;
 198             cs32.y              = cs16->y;
 199             cs32.x              = cs16->x;
 200             cs32.style          = cs16->style;
 201             cs32.dwExStyle      = cs16->dwExStyle;
 202             cs32.lpszName       = MapSL(cs16->lpszName);
 203             cs32.lpszClass      = MapSL(cs16->lpszClass);
 204             result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&cs32 );
 205         }
 206         break;
 207
 208     case WM_NCCALCSIZE:
 209         {
 210             RECT16 *rect16 = MapSL(lParam);
 211             RECT rect32;
 212
 213             rect32.left    = rect16->left;
 214             rect32.top     = rect16->top;
 215             rect32.right   = rect16->right;
 216             rect32.bottom  = rect16->bottom;
 217
 218             result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&rect32 );
 219
 220             rect16->left   = rect32.left;
 221             rect16->top    = rect32.top;
 222             rect16->right  = rect32.right;
 223             rect16->bottom = rect32.bottom;
 224         }
 225         break;
 226
 227     case WM_WINDOWPOSCHANGING:
 228     case WM_WINDOWPOSCHANGED:
 229         {
 230             WINDOWPOS16 *pos16 = MapSL(lParam);
 231             WINDOWPOS pos32;
 232
 233             pos32.hwnd             = WIN_Handle32(pos16->hwnd);
 234             pos32.hwndInsertAfter  = WIN_Handle32(pos16->hwndInsertAfter);
 235             pos32.x                = pos16->x;
 236             pos32.y                = pos16->y;
 237             pos32.cx               = pos16->cx;
 238             pos32.cy               = pos16->cy;
 239             pos32.flags            = pos16->flags;
 240
 241             result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)&pos32 );
 242
 243             pos16->hwnd            = HWND_16(pos32.hwnd);
 244             pos16->hwndInsertAfter = HWND_16(pos32.hwndInsertAfter);
 245             pos16->x               = pos32.x;
 246             pos16->y               = pos32.y;
 247             pos16->cx              = pos32.cx;
 248             pos16->cy              = pos32.cy;
 249             pos16->flags           = pos32.flags;
 250         }
 251         break;
 252
 253     case WM_GETTEXT:
 254     case WM_SETTEXT:
 255         result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)MapSL(lParam) );
 256         break;
 257
 258     default:
 259         result = DefWindowProcA( hwnd, msg, wParam, lParam );
 260         break;
 261     }
 262
 263     SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result, wParam, lParam );
 264     return result;
 265 }
 266
 267
 268 /***********************************************************************
 269  *              PeekMessage  (USER.109)
 270  */
 271 BOOL16 WINAPI PeekMessage16( MSG16 *msg, HWND16 hwnd,
 272                              UINT16 first, UINT16 last, UINT16 flags )
 273 {
 274     return PeekMessage32_16( (MSG32_16 *)msg, hwnd, first, last, flags, FALSE );
 275 }
 276
 277
 278 /***********************************************************************
 279  *              GetMessage32  (USER.820)
 280  */
 281 BOOL16 WINAPI GetMessage32_16( MSG32_16 *msg16, HWND16 hwnd16, UINT16 first,
 282                                UINT16 last, BOOL16 wHaveParamHigh )
 283 {
 284     MSG msg;
 285     HWND hwnd = WIN_Handle32( hwnd16 );
 286
 287     do
 288     {
 289         if(USER16_AlertableWait)
 290             MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, 0, MWMO_ALERTABLE );
 291         GetMessageW( &msg, hwnd, first, last );
 292         msg16->msg.hwnd    = HWND_16( msg.hwnd );
 293         msg16->msg.lParam  = msg.lParam;
 294         msg16->msg.time    = msg.time;
 295         msg16->msg.pt.x    = (INT16)msg.pt.x;
 296         msg16->msg.pt.y    = (INT16)msg.pt.y;
 297         if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
 298     }
 299     while (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
 300                                   &msg16->msg.message, &msg16->msg.wParam,
 301                                   &msg16->msg.lParam ) == -1);
 302
 303     TRACE( "message %04x, hwnd %p, filter(%04x - %04x)\n",
 304            msg16->msg.message, hwnd, first, last );
 305
 306     return msg16->msg.message != WM_QUIT;
 307 }
 308
 309
 310 /***********************************************************************
 311  *              GetMessage  (USER.108)
 312  */
 313 BOOL16 WINAPI GetMessage16( MSG16 *msg, HWND16 hwnd, UINT16 first, UINT16 last )
 314 {
 315     return GetMessage32_16( (MSG32_16 *)msg, hwnd, first, last, FALSE );
 316 }
 317
 318
 319 /***********************************************************************
 320  *              TranslateMessage32 (USER.821)
 321  */
 322 BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh )
 323 {
 324     MSG msg32;
 325
 326     msg32.hwnd    = WIN_Handle32( msg->msg.hwnd );
 327     msg32.message = msg->msg.message;
 328     msg32.wParam  = MAKEWPARAM( msg->msg.wParam, wHaveParamHigh ? msg->wParamHigh : 0 );
 329     msg32.lParam  = msg->msg.lParam;
 330     return TranslateMessage( &msg32 );
 331 }
 332
 333
 334 /***********************************************************************
 335  *              TranslateMessage (USER.113)
 336  */
 337 BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
 338 {
 339     return TranslateMessage32_16( (const MSG32_16 *)msg, FALSE );
 340 }
 341
 342
 343 /***********************************************************************
 344  *              DispatchMessage (USER.114)
 345  */
 346 LONG WINAPI DispatchMessage16( const MSG16* msg )
 347 {
 348     WND * wndPtr;
 349     WNDPROC16 winproc;
 350     LONG retval;
 351     HWND hwnd = WIN_Handle32( msg->hwnd );
 352
 353       /* Process timer messages */
 354     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
 355     {
 356         if (msg->lParam)
 357             return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd,
 358                                      msg->message, msg->wParam, GetTickCount() );
 359     }
 360
 361     if (!(wndPtr = WIN_GetPtr( hwnd )))
 362     {
 363         if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
 364         return 0;
 365     }
 366     if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
 367     {
 368         if (IsWindow( hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
 369         else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
 370         return 0;
 371     }
 372     winproc = (WNDPROC16)wndPtr->winproc;
 373     WIN_ReleasePtr( wndPtr );
 374
 375     SPY_EnterMessage( SPY_DISPATCHMESSAGE16, hwnd, msg->message, msg->wParam, msg->lParam );
 376     retval = CallWindowProc16( winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam );
 377     SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg->message, retval, msg->wParam, msg->lParam );
 378
 379     return retval;
 380 }
 381
 382
 383 /***********************************************************************
 384  *              DispatchMessage32 (USER.822)
 385  */
 386 LONG WINAPI DispatchMessage32_16( const MSG32_16 *msg16, BOOL16 wHaveParamHigh )
 387 {
 388     if (wHaveParamHigh == FALSE)
 389         return DispatchMessage16( &msg16->msg );
 390     else
 391     {
 392         MSG msg;
 393
 394         msg.hwnd    = WIN_Handle32( msg16->msg.hwnd );
 395         msg.message = msg16->msg.message;
 396         msg.wParam  = MAKEWPARAM( msg16->msg.wParam, msg16->wParamHigh );
 397         msg.lParam  = msg16->msg.lParam;
 398         msg.time    = msg16->msg.time;
 399         msg.pt.x    = msg16->msg.pt.x;
 400         msg.pt.y    = msg16->msg.pt.y;
 401         return DispatchMessageA( &msg );
 402     }
 403 }
 404
 405
 406 /***********************************************************************
 407  *              IsDialogMessage (USER.90)
 408  */
 409 BOOL16 WINAPI IsDialogMessage16( HWND16 hwndDlg, MSG16 *msg16 )
 410 {
 411     MSG msg;
 412     HWND hwndDlg32;
 413
 414     msg.hwnd  = WIN_Handle32(msg16->hwnd);
 415     hwndDlg32 = WIN_Handle32(hwndDlg);
 416
 417     switch(msg16->message)
 418     {
 419     case WM_KEYDOWN:
 420     case WM_CHAR:
 421     case WM_SYSCHAR:
 422         msg.lParam = msg16->lParam;
 423         WINPROC_MapMsg16To32W( msg.hwnd, msg16->message, msg16->wParam,
 424                                &msg.message, &msg.wParam, &msg.lParam );
 425         /* these messages don't need an unmap */
 426         return IsDialogMessageW( hwndDlg32, &msg );
 427     }
 428
 429     if ((hwndDlg32 != msg.hwnd) && !IsChild( hwndDlg32, msg.hwnd )) return FALSE;
 430     TranslateMessage16( msg16 );
 431     DispatchMessage16( msg16 );
 432     return TRUE;
 433 }
 434
 435
 436 /***********************************************************************
 437  *              MsgWaitForMultipleObjects  (USER.640)
 438  */
 439 DWORD WINAPI MsgWaitForMultipleObjects16( DWORD count, CONST HANDLE *handles,
 440                                           BOOL wait_all, DWORD timeout, DWORD mask )
 441 {
 442     return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
 443                                         wait_all ? MWMO_WAITALL : 0 );
 444 }
 445
 446
 447 /**********************************************************************
 448  *              SetDoubleClickTime (USER.20)
 449  */
 450 void WINAPI SetDoubleClickTime16( UINT16 interval )
 451 {
 452     SetDoubleClickTime( interval );
 453 }
 454
 455
 456 /**********************************************************************
 457  *              GetDoubleClickTime (USER.21)
 458  */
 459 UINT16 WINAPI GetDoubleClickTime16(void)
 460 {
 461     return GetDoubleClickTime();
 462 }
 463
 464
 465 /***********************************************************************
 466  *              PostQuitMessage (USER.6)
 467  */
 468 void WINAPI PostQuitMessage16( INT16 exitCode )
 469 {
 470     PostQuitMessage( exitCode );
 471 }
 472
 473
 474 /**********************************************************************
 475  *              GetKeyState (USER.106)
 476  */
 477 INT16 WINAPI GetKeyState16(INT16 vkey)
 478 {
 479     return GetKeyState(vkey);
 480 }
 481
 482
 483 /**********************************************************************
 484  *              GetKeyboardState (USER.222)
 485  */
 486 BOOL WINAPI GetKeyboardState16( LPBYTE state )
 487 {
 488     return GetKeyboardState( state );
 489 }
 490
 491
 492 /**********************************************************************
 493  *              SetKeyboardState (USER.223)
 494  */
 495 BOOL WINAPI SetKeyboardState16( LPBYTE state )
 496 {
 497     return SetKeyboardState( state );
 498 }
 499
 500
 501 /***********************************************************************
 502  *              SetMessageQueue (USER.266)
 503  */
 504 BOOL16 WINAPI SetMessageQueue16( INT16 size )
 505 {
 506     return SetMessageQueue( size );
 507 }
 508
 509
 510 /***********************************************************************
 511  *              GetQueueStatus (USER.334)
 512  */
 513 DWORD WINAPI GetQueueStatus16( UINT16 flags )
 514 {
 515     return GetQueueStatus( flags );
 516 }
 517
 518
 519 /***********************************************************************
 520  *              GetInputState (USER.335)
 521  */
 522 BOOL16 WINAPI GetInputState16(void)
 523 {
 524     return GetInputState();
 525 }
 526
 527
 528 /**********************************************************************
 529  *           TranslateAccelerator      (USER.178)
 530  */
 531 INT16 WINAPI TranslateAccelerator16( HWND16 hwnd, HACCEL16 hAccel, LPMSG16 msg )
 532 {
 533     MSG msg32;
 534
 535     if (!msg) return 0;
 536     msg32.message = msg->message;
 537     /* msg32.hwnd not used */
 538     msg32.wParam  = msg->wParam;
 539     msg32.lParam  = msg->lParam;
 540     return TranslateAcceleratorW( WIN_Handle32(hwnd), HACCEL_32(hAccel), &msg32 );
 541 }
 542
 543
 544 /**********************************************************************
 545  *              TranslateMDISysAccel (USER.451)
 546  */
 547 BOOL16 WINAPI TranslateMDISysAccel16( HWND16 hwndClient, LPMSG16 msg )
 548 {
 549     if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
 550     {
 551         MSG msg32;
 552         msg32.hwnd    = WIN_Handle32(msg->hwnd);
 553         msg32.message = msg->message;
 554         msg32.wParam  = msg->wParam;
 555         msg32.lParam  = msg->lParam;
 556         /* MDICLIENTINFO is still the same for win32 and win16 ... */
 557         return TranslateMDISysAccel( WIN_Handle32(hwndClient), &msg32 );
 558     }
 559     return 0;
 560 }