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 "message.h"
  25 #include "win.h"
  26 #include "user_private.h"
  27 #include "winproc.h"
  28 #include "wine/debug.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(msg);
  31
  32 DWORD USER16_AlertableWait = 0;
  33
  34 /***********************************************************************
  35  *              SendMessage  (USER.111)
  36  */
  37 LRESULT WINAPI SendMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
  38 {
  39     LRESULT result;
  40     UINT msg32;
  41     WPARAM wparam32;
  42     HWND hwnd = WIN_Handle32( hwnd16 );
  43
  44     if (hwnd != HWND_BROADCAST && WIN_IsCurrentThread(hwnd))
  45     {
  46         /* call 16-bit window proc directly */
  47         WNDPROC16 winproc;
  48
  49         /* first the WH_CALLWNDPROC hook */
  50         if (HOOK_IsHooked( WH_CALLWNDPROC ))
  51         {
  52             LPARAM lparam32 = lparam;
  53
  54             if (WINPROC_MapMsg16To32A( hwnd, msg, wparam, &msg32, &wparam32, &lparam32 ) != -1)
  55             {
  56                 CWPSTRUCT cwp;
  57
  58                 cwp.hwnd    = hwnd;
  59                 cwp.message = msg32;
  60                 cwp.wParam  = wparam32;
  61                 cwp.lParam  = lparam32;
  62                 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp, FALSE );
  63                 WINPROC_UnmapMsg16To32A( hwnd, msg32, wparam32, lparam32, 0 );
  64                 /* FIXME: should reflect changes back into the message we send */
  65             }
  66         }
  67
  68         if (!(winproc = (WNDPROC16)GetWindowLong16( hwnd16, GWLP_WNDPROC ))) return 0;
  69
  70         SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wparam, lparam );
  71         result = CallWindowProc16( (WNDPROC16)winproc, hwnd16, msg, wparam, lparam );
  72         SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, result, wparam, lparam );
  73     }
  74     else  /* map to 32-bit unicode for inter-thread/process message */
  75     {
  76         if (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ) == -1)
  77             return 0;
  78         result = WINPROC_UnmapMsg16To32W( hwnd, msg32, wparam32, lparam,
  79                                           SendMessageW( hwnd, msg32, wparam32, lparam ) );
  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)
 367     {
 368         if (IsWindow( hwnd ))
 369             ERR( "cannot dispatch msg to other process window %p\n", hwnd );
 370         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
 371         return 0;
 372     }
 373     winproc = (WNDPROC16)wndPtr->winproc;
 374     WIN_ReleasePtr( wndPtr );
 375
 376     SPY_EnterMessage( SPY_DISPATCHMESSAGE16, hwnd, msg->message, msg->wParam, msg->lParam );
 377     retval = CallWindowProc16( winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam );
 378     SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg->message, retval, msg->wParam, msg->lParam );
 379
 380     return retval;
 381 }
 382
 383
 384 /***********************************************************************
 385  *              DispatchMessage32 (USER.822)
 386  */
 387 LONG WINAPI DispatchMessage32_16( const MSG32_16 *msg16, BOOL16 wHaveParamHigh )
 388 {
 389     if (wHaveParamHigh == FALSE)
 390         return DispatchMessage16( &msg16->msg );
 391     else
 392     {
 393         MSG msg;
 394
 395         msg.hwnd    = WIN_Handle32( msg16->msg.hwnd );
 396         msg.message = msg16->msg.message;
 397         msg.wParam  = MAKEWPARAM( msg16->msg.wParam, msg16->wParamHigh );
 398         msg.lParam  = msg16->msg.lParam;
 399         msg.time    = msg16->msg.time;
 400         msg.pt.x    = msg16->msg.pt.x;
 401         msg.pt.y    = msg16->msg.pt.y;
 402         return DispatchMessageA( &msg );
 403     }
 404 }
 405
 406
 407 /***********************************************************************
 408  *              IsDialogMessage (USER.90)
 409  */
 410 BOOL16 WINAPI IsDialogMessage16( HWND16 hwndDlg, MSG16 *msg16 )
 411 {
 412     MSG msg;
 413     HWND hwndDlg32;
 414
 415     msg.hwnd  = WIN_Handle32(msg16->hwnd);
 416     hwndDlg32 = WIN_Handle32(hwndDlg);
 417
 418     switch(msg16->message)
 419     {
 420     case WM_KEYDOWN:
 421     case WM_CHAR:
 422     case WM_SYSCHAR:
 423         msg.lParam = msg16->lParam;
 424         WINPROC_MapMsg16To32W( msg.hwnd, msg16->message, msg16->wParam,
 425                                &msg.message, &msg.wParam, &msg.lParam );
 426         /* these messages don't need an unmap */
 427         return IsDialogMessageW( hwndDlg32, &msg );
 428     }
 429
 430     if ((hwndDlg32 != msg.hwnd) && !IsChild( hwndDlg32, msg.hwnd )) return FALSE;
 431     TranslateMessage16( msg16 );
 432     DispatchMessage16( msg16 );
 433     return TRUE;
 434 }
 435
 436
 437 /***********************************************************************
 438  *              MsgWaitForMultipleObjects  (USER.640)
 439  */
 440 DWORD WINAPI MsgWaitForMultipleObjects16( DWORD count, CONST HANDLE *handles,
 441                                           BOOL wait_all, DWORD timeout, DWORD mask )
 442 {
 443     return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
 444                                         wait_all ? MWMO_WAITALL : 0 );
 445 }
 446
 447
 448 /**********************************************************************
 449  *              SetDoubleClickTime (USER.20)
 450  */
 451 void WINAPI SetDoubleClickTime16( UINT16 interval )
 452 {
 453     SetDoubleClickTime( interval );
 454 }
 455
 456
 457 /**********************************************************************
 458  *              GetDoubleClickTime (USER.21)
 459  */
 460 UINT16 WINAPI GetDoubleClickTime16(void)
 461 {
 462     return GetDoubleClickTime();
 463 }
 464
 465
 466 /***********************************************************************
 467  *              PostQuitMessage (USER.6)
 468  */
 469 void WINAPI PostQuitMessage16( INT16 exitCode )
 470 {
 471     PostQuitMessage( exitCode );
 472 }
 473
 474
 475 /**********************************************************************
 476  *              GetKeyState (USER.106)
 477  */
 478 INT16 WINAPI GetKeyState16(INT16 vkey)
 479 {
 480     return GetKeyState(vkey);
 481 }
 482
 483
 484 /**********************************************************************
 485  *              GetKeyboardState (USER.222)
 486  */
 487 BOOL WINAPI GetKeyboardState16( LPBYTE state )
 488 {
 489     return GetKeyboardState( state );
 490 }
 491
 492
 493 /**********************************************************************
 494  *              SetKeyboardState (USER.223)
 495  */
 496 BOOL WINAPI SetKeyboardState16( LPBYTE state )
 497 {
 498     return SetKeyboardState( state );
 499 }
 500
 501
 502 /***********************************************************************
 503  *              SetMessageQueue (USER.266)
 504  */
 505 BOOL16 WINAPI SetMessageQueue16( INT16 size )
 506 {
 507     return SetMessageQueue( size );
 508 }
 509
 510
 511 /***********************************************************************
 512  *              GetQueueStatus (USER.334)
 513  */
 514 DWORD WINAPI GetQueueStatus16( UINT16 flags )
 515 {
 516     return GetQueueStatus( flags );
 517 }
 518
 519
 520 /***********************************************************************
 521  *              GetInputState (USER.335)
 522  */
 523 BOOL16 WINAPI GetInputState16(void)
 524 {
 525     return GetInputState();
 526 }
 527
 528
 529 /**********************************************************************
 530  *           TranslateAccelerator      (USER.178)
 531  */
 532 INT16 WINAPI TranslateAccelerator16( HWND16 hwnd, HACCEL16 hAccel, LPMSG16 msg )
 533 {
 534     MSG msg32;
 535
 536     if (!msg) return 0;
 537     msg32.message = msg->message;
 538     /* msg32.hwnd not used */
 539     msg32.wParam  = msg->wParam;
 540     msg32.lParam  = msg->lParam;
 541     return TranslateAcceleratorW( WIN_Handle32(hwnd), HACCEL_32(hAccel), &msg32 );
 542 }
 543
 544
 545 /**********************************************************************
 546  *              TranslateMDISysAccel (USER.451)
 547  */
 548 BOOL16 WINAPI TranslateMDISysAccel16( HWND16 hwndClient, LPMSG16 msg )
 549 {
 550     if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
 551     {
 552         MSG msg32;
 553         msg32.hwnd    = WIN_Handle32(msg->hwnd);
 554         msg32.message = msg->message;
 555         msg32.wParam  = msg->wParam;
 556         msg32.lParam  = msg->lParam;
 557         /* MDICLIENTINFO is still the same for win32 and win16 ... */
 558         return TranslateMDISysAccel( WIN_Handle32(hwndClient), &msg32 );
 559     }
 560     return 0;
 561 }