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  *              PeekMessage  (USER.109)
 177  */
 178 BOOL16 WINAPI PeekMessage16( MSG16 *msg, HWND16 hwnd,
 179                              UINT16 first, UINT16 last, UINT16 flags )
 180 {
 181     return PeekMessage32_16( (MSG32_16 *)msg, hwnd, first, last, flags, FALSE );
 182 }
 183
 184
 185 /***********************************************************************
 186  *              GetMessage32  (USER.820)
 187  */
 188 BOOL16 WINAPI GetMessage32_16( MSG32_16 *msg16, HWND16 hwnd16, UINT16 first,
 189                                UINT16 last, BOOL16 wHaveParamHigh )
 190 {
 191     MSG msg;
 192     HWND hwnd = WIN_Handle32( hwnd16 );
 193
 194     do
 195     {
 196         if(USER16_AlertableWait)
 197             MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, 0, MWMO_ALERTABLE );
 198         GetMessageW( &msg, hwnd, first, last );
 199         msg16->msg.hwnd    = HWND_16( msg.hwnd );
 200         msg16->msg.lParam  = msg.lParam;
 201         msg16->msg.time    = msg.time;
 202         msg16->msg.pt.x    = (INT16)msg.pt.x;
 203         msg16->msg.pt.y    = (INT16)msg.pt.y;
 204         if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
 205     }
 206     while (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
 207                                   &msg16->msg.message, &msg16->msg.wParam,
 208                                   &msg16->msg.lParam ) == -1);
 209
 210     TRACE( "message %04x, hwnd %p, filter(%04x - %04x)\n",
 211            msg16->msg.message, hwnd, first, last );
 212
 213     return msg16->msg.message != WM_QUIT;
 214 }
 215
 216
 217 /***********************************************************************
 218  *              GetMessage  (USER.108)
 219  */
 220 BOOL16 WINAPI GetMessage16( MSG16 *msg, HWND16 hwnd, UINT16 first, UINT16 last )
 221 {
 222     return GetMessage32_16( (MSG32_16 *)msg, hwnd, first, last, FALSE );
 223 }
 224
 225
 226 /***********************************************************************
 227  *              TranslateMessage32 (USER.821)
 228  */
 229 BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh )
 230 {
 231     MSG msg32;
 232
 233     msg32.hwnd    = WIN_Handle32( msg->msg.hwnd );
 234     msg32.message = msg->msg.message;
 235     msg32.wParam  = MAKEWPARAM( msg->msg.wParam, wHaveParamHigh ? msg->wParamHigh : 0 );
 236     msg32.lParam  = msg->msg.lParam;
 237     return TranslateMessage( &msg32 );
 238 }
 239
 240
 241 /***********************************************************************
 242  *              TranslateMessage (USER.113)
 243  */
 244 BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
 245 {
 246     return TranslateMessage32_16( (const MSG32_16 *)msg, FALSE );
 247 }
 248
 249
 250 /***********************************************************************
 251  *              DispatchMessage (USER.114)
 252  */
 253 LONG WINAPI DispatchMessage16( const MSG16* msg )
 254 {
 255     WND * wndPtr;
 256     WNDPROC16 winproc;
 257     LONG retval;
 258     HWND hwnd = WIN_Handle32( msg->hwnd );
 259
 260       /* Process timer messages */
 261     if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
 262     {
 263         if (msg->lParam)
 264             return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd,
 265                                      msg->message, msg->wParam, GetTickCount() );
 266     }
 267
 268     if (!(wndPtr = WIN_GetPtr( hwnd )))
 269     {
 270         if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
 271         return 0;
 272     }
 273     if (wndPtr == WND_OTHER_PROCESS)
 274     {
 275         if (IsWindow( hwnd ))
 276             ERR( "cannot dispatch msg to other process window %p\n", hwnd );
 277         SetLastError( ERROR_INVALID_WINDOW_HANDLE );
 278         return 0;
 279     }
 280     winproc = (WNDPROC16)wndPtr->winproc;
 281     WIN_ReleasePtr( wndPtr );
 282
 283     SPY_EnterMessage( SPY_DISPATCHMESSAGE16, hwnd, msg->message, msg->wParam, msg->lParam );
 284     retval = CallWindowProc16( winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam );
 285     SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg->message, retval, msg->wParam, msg->lParam );
 286
 287     return retval;
 288 }
 289
 290
 291 /***********************************************************************
 292  *              DispatchMessage32 (USER.822)
 293  */
 294 LONG WINAPI DispatchMessage32_16( const MSG32_16 *msg16, BOOL16 wHaveParamHigh )
 295 {
 296     if (wHaveParamHigh == FALSE)
 297         return DispatchMessage16( &msg16->msg );
 298     else
 299     {
 300         MSG msg;
 301
 302         msg.hwnd    = WIN_Handle32( msg16->msg.hwnd );
 303         msg.message = msg16->msg.message;
 304         msg.wParam  = MAKEWPARAM( msg16->msg.wParam, msg16->wParamHigh );
 305         msg.lParam  = msg16->msg.lParam;
 306         msg.time    = msg16->msg.time;
 307         msg.pt.x    = msg16->msg.pt.x;
 308         msg.pt.y    = msg16->msg.pt.y;
 309         return DispatchMessageA( &msg );
 310     }
 311 }
 312
 313
 314 /***********************************************************************
 315  *              IsDialogMessage (USER.90)
 316  */
 317 BOOL16 WINAPI IsDialogMessage16( HWND16 hwndDlg, MSG16 *msg16 )
 318 {
 319     MSG msg;
 320     HWND hwndDlg32;
 321
 322     msg.hwnd  = WIN_Handle32(msg16->hwnd);
 323     hwndDlg32 = WIN_Handle32(hwndDlg);
 324
 325     switch(msg16->message)
 326     {
 327     case WM_KEYDOWN:
 328     case WM_CHAR:
 329     case WM_SYSCHAR:
 330         msg.lParam = msg16->lParam;
 331         WINPROC_MapMsg16To32W( msg.hwnd, msg16->message, msg16->wParam,
 332                                &msg.message, &msg.wParam, &msg.lParam );
 333         /* these messages don't need an unmap */
 334         return IsDialogMessageW( hwndDlg32, &msg );
 335     }
 336
 337     if ((hwndDlg32 != msg.hwnd) && !IsChild( hwndDlg32, msg.hwnd )) return FALSE;
 338     TranslateMessage16( msg16 );
 339     DispatchMessage16( msg16 );
 340     return TRUE;
 341 }
 342
 343
 344 /***********************************************************************
 345  *              MsgWaitForMultipleObjects  (USER.640)
 346  */
 347 DWORD WINAPI MsgWaitForMultipleObjects16( DWORD count, CONST HANDLE *handles,
 348                                           BOOL wait_all, DWORD timeout, DWORD mask )
 349 {
 350     return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
 351                                         wait_all ? MWMO_WAITALL : 0 );
 352 }
 353
 354
 355 /**********************************************************************
 356  *              SetDoubleClickTime (USER.20)
 357  */
 358 void WINAPI SetDoubleClickTime16( UINT16 interval )
 359 {
 360     SetDoubleClickTime( interval );
 361 }
 362
 363
 364 /**********************************************************************
 365  *              GetDoubleClickTime (USER.21)
 366  */
 367 UINT16 WINAPI GetDoubleClickTime16(void)
 368 {
 369     return GetDoubleClickTime();
 370 }
 371
 372
 373 /***********************************************************************
 374  *              PostQuitMessage (USER.6)
 375  */
 376 void WINAPI PostQuitMessage16( INT16 exitCode )
 377 {
 378     PostQuitMessage( exitCode );
 379 }
 380
 381
 382 /**********************************************************************
 383  *              GetKeyState (USER.106)
 384  */
 385 INT16 WINAPI GetKeyState16(INT16 vkey)
 386 {
 387     return GetKeyState(vkey);
 388 }
 389
 390
 391 /**********************************************************************
 392  *              GetKeyboardState (USER.222)
 393  */
 394 BOOL WINAPI GetKeyboardState16( LPBYTE state )
 395 {
 396     return GetKeyboardState( state );
 397 }
 398
 399
 400 /**********************************************************************
 401  *              SetKeyboardState (USER.223)
 402  */
 403 BOOL WINAPI SetKeyboardState16( LPBYTE state )
 404 {
 405     return SetKeyboardState( state );
 406 }
 407
 408
 409 /***********************************************************************
 410  *              SetMessageQueue (USER.266)
 411  */
 412 BOOL16 WINAPI SetMessageQueue16( INT16 size )
 413 {
 414     return SetMessageQueue( size );
 415 }
 416
 417
 418 /***********************************************************************
 419  *              GetQueueStatus (USER.334)
 420  */
 421 DWORD WINAPI GetQueueStatus16( UINT16 flags )
 422 {
 423     return GetQueueStatus( flags );
 424 }
 425
 426
 427 /***********************************************************************
 428  *              GetInputState (USER.335)
 429  */
 430 BOOL16 WINAPI GetInputState16(void)
 431 {
 432     return GetInputState();
 433 }
 434
 435
 436 /**********************************************************************
 437  *           TranslateAccelerator      (USER.178)
 438  */
 439 INT16 WINAPI TranslateAccelerator16( HWND16 hwnd, HACCEL16 hAccel, LPMSG16 msg )
 440 {
 441     MSG msg32;
 442
 443     if (!msg) return 0;
 444     msg32.message = msg->message;
 445     /* msg32.hwnd not used */
 446     msg32.wParam  = msg->wParam;
 447     msg32.lParam  = msg->lParam;
 448     return TranslateAcceleratorW( WIN_Handle32(hwnd), HACCEL_32(hAccel), &msg32 );
 449 }
 450
 451
 452 /**********************************************************************
 453  *              TranslateMDISysAccel (USER.451)
 454  */
 455 BOOL16 WINAPI TranslateMDISysAccel16( HWND16 hwndClient, LPMSG16 msg )
 456 {
 457     if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
 458     {
 459         MSG msg32;
 460         msg32.hwnd    = WIN_Handle32(msg->hwnd);
 461         msg32.message = msg->message;
 462         msg32.wParam  = msg->wParam;
 463         msg32.lParam  = msg->lParam;
 464         /* MDICLIENTINFO is still the same for win32 and win16 ... */
 465         return TranslateMDISysAccel( WIN_Handle32(hwndClient), &msg32 );
 466     }
 467     return 0;
 468 }