dlls/user/user16.c

   1 /*
   2  * Misc 16-bit USER functions
   3  *
   4  * Copyright 1993, 1996 Alexandre Julliard
   5  * Copyright 2002 Patrik Stridvall
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include <stdarg.h>
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include <string.h>
  26
  27 #include "wine/winuser16.h"
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "wownt32.h"
  31 #include "user_private.h"
  32 #include "win.h"
  33 #include "winproc.h"
  34 #include "cursoricon.h"
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(user);
  38
  39 /* handle to handle 16 conversions */
  40 #define HANDLE_16(h32)          (LOWORD(h32))
  41
  42 /* handle16 to handle conversions */
  43 #define HANDLE_32(h16)          ((HANDLE)(ULONG_PTR)(h16))
  44 #define HINSTANCE_32(h16)       ((HINSTANCE)(ULONG_PTR)(h16))
  45
  46 #define IS_MENU_STRING_ITEM(flags) \
  47     (((flags) & (MF_STRING | MF_BITMAP | MF_OWNERDRAW | MF_SEPARATOR)) == MF_STRING)
  48
  49 WORD WINAPI DestroyIcon32(HGLOBAL16, UINT16);
  50
  51
  52 struct gray_string_info
  53 {
  54     GRAYSTRINGPROC16 proc;
  55     LPARAM           param;
  56     char             str[1];
  57 };
  58
  59 /* callback for 16-bit gray string proc with opaque pointer */
  60 static BOOL CALLBACK gray_string_callback( HDC hdc, LPARAM param, INT len )
  61 {
  62     const struct gray_string_info *info = (struct gray_string_info *)param;
  63     WORD args[4];
  64     DWORD ret;
  65
  66     args[3] = HDC_16(hdc);
  67     args[2] = HIWORD(info->param);
  68     args[1] = LOWORD(info->param);
  69     args[0] = len;
  70     WOWCallback16Ex( (DWORD)info->proc, WCB16_PASCAL, sizeof(args), args, &ret );
  71     return LOWORD(ret);
  72 }
  73
  74 /* callback for 16-bit gray string proc with string pointer */
  75 static BOOL CALLBACK gray_string_callback_ptr( HDC hdc, LPARAM param, INT len )
  76 {
  77     const struct gray_string_info *info;
  78     char *str = (char *)param;
  79
  80     info = (struct gray_string_info *)(str - offsetof( struct gray_string_info, str ));
  81     return gray_string_callback( hdc, (LPARAM)info, len );
  82 }
  83
  84 struct draw_state_info
  85 {
  86     DRAWSTATEPROC16 proc;
  87     LPARAM          param;
  88 };
  89
  90 /* callback for 16-bit DrawState functions */
  91 static BOOL CALLBACK draw_state_callback( HDC hdc, LPARAM lparam, WPARAM wparam, int cx, int cy )
  92 {
  93     const struct draw_state_info *info = (struct draw_state_info *)lparam;
  94     WORD args[6];
  95     DWORD ret;
  96
  97     args[5] = HDC_16(hdc);
  98     args[4] = HIWORD(info->param);
  99     args[3] = LOWORD(info->param);
 100     args[2] = wparam;
 101     args[1] = cx;
 102     args[0] = cy;
 103     WOWCallback16Ex( (DWORD)info->proc, WCB16_PASCAL, sizeof(args), args, &ret );
 104     return LOWORD(ret);
 105 }
 106
 107
 108 /**********************************************************************
 109  *              InitApp (USER.5)
 110  */
 111 INT16 WINAPI InitApp16( HINSTANCE16 hInstance )
 112 {
 113     /* Create task message queue */
 114     return (InitThreadInput16( 0, 0 ) != 0);
 115 }
 116
 117
 118 /***********************************************************************
 119  *              ExitWindows (USER.7)
 120  */
 121 BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
 122 {
 123     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 124 }
 125
 126
 127 /***********************************************************************
 128  *              ClipCursor (USER.16)
 129  */
 130 BOOL16 WINAPI ClipCursor16( const RECT16 *rect )
 131 {
 132     RECT rect32;
 133
 134     if (!rect) return ClipCursor( NULL );
 135     rect32.left   = rect->left;
 136     rect32.top    = rect->top;
 137     rect32.right  = rect->right;
 138     rect32.bottom = rect->bottom;
 139     return ClipCursor( &rect32 );
 140 }
 141
 142
 143 /***********************************************************************
 144  *              GetCursorPos (USER.17)
 145  */
 146 BOOL16 WINAPI GetCursorPos16( POINT16 *pt )
 147 {
 148     POINT pos;
 149     if (!pt) return 0;
 150     GetCursorPos(&pos);
 151     pt->x = pos.x;
 152     pt->y = pos.y;
 153     return 1;
 154 }
 155
 156
 157 /***********************************************************************
 158  *              SetCursor (USER.69)
 159  */
 160 HCURSOR16 WINAPI SetCursor16(HCURSOR16 hCursor)
 161 {
 162   return HCURSOR_16(SetCursor(HCURSOR_32(hCursor)));
 163 }
 164
 165
 166 /***********************************************************************
 167  *              SetCursorPos (USER.70)
 168  */
 169 void WINAPI SetCursorPos16( INT16 x, INT16 y )
 170 {
 171     SetCursorPos( x, y );
 172 }
 173
 174
 175 /***********************************************************************
 176  *              ShowCursor (USER.71)
 177  */
 178 INT16 WINAPI ShowCursor16(BOOL16 bShow)
 179 {
 180   return ShowCursor(bShow);
 181 }
 182
 183
 184 /***********************************************************************
 185  *              SetRect (USER.72)
 186  */
 187 void WINAPI SetRect16( LPRECT16 rect, INT16 left, INT16 top, INT16 right, INT16 bottom )
 188 {
 189     rect->left   = left;
 190     rect->right  = right;
 191     rect->top    = top;
 192     rect->bottom = bottom;
 193 }
 194
 195
 196 /***********************************************************************
 197  *              SetRectEmpty (USER.73)
 198  */
 199 void WINAPI SetRectEmpty16( LPRECT16 rect )
 200 {
 201     rect->left = rect->right = rect->top = rect->bottom = 0;
 202 }
 203
 204
 205 /***********************************************************************
 206  *              CopyRect (USER.74)
 207  */
 208 BOOL16 WINAPI CopyRect16( RECT16 *dest, const RECT16 *src )
 209 {
 210     *dest = *src;
 211     return TRUE;
 212 }
 213
 214
 215 /***********************************************************************
 216  *              IsRectEmpty (USER.75)
 217  *
 218  * Bug compat: Windows checks for 0 or negative width/height.
 219  */
 220 BOOL16 WINAPI IsRectEmpty16( const RECT16 *rect )
 221 {
 222     return ((rect->left >= rect->right) || (rect->top >= rect->bottom));
 223 }
 224
 225
 226 /***********************************************************************
 227  *              PtInRect (USER.76)
 228  */
 229 BOOL16 WINAPI PtInRect16( const RECT16 *rect, POINT16 pt )
 230 {
 231     return ((pt.x >= rect->left) && (pt.x < rect->right) &&
 232             (pt.y >= rect->top) && (pt.y < rect->bottom));
 233 }
 234
 235
 236 /***********************************************************************
 237  *              OffsetRect (USER.77)
 238  */
 239 void WINAPI OffsetRect16( LPRECT16 rect, INT16 x, INT16 y )
 240 {
 241     rect->left   += x;
 242     rect->right  += x;
 243     rect->top    += y;
 244     rect->bottom += y;
 245 }
 246
 247
 248 /***********************************************************************
 249  *              InflateRect (USER.78)
 250  */
 251 void WINAPI InflateRect16( LPRECT16 rect, INT16 x, INT16 y )
 252 {
 253     rect->left   -= x;
 254     rect->top    -= y;
 255     rect->right  += x;
 256     rect->bottom += y;
 257 }
 258
 259
 260 /***********************************************************************
 261  *              IntersectRect (USER.79)
 262  */
 263 BOOL16 WINAPI IntersectRect16( LPRECT16 dest, const RECT16 *src1,
 264                                const RECT16 *src2 )
 265 {
 266     if (IsRectEmpty16(src1) || IsRectEmpty16(src2) ||
 267         (src1->left >= src2->right) || (src2->left >= src1->right) ||
 268         (src1->top >= src2->bottom) || (src2->top >= src1->bottom))
 269     {
 270         SetRectEmpty16( dest );
 271         return FALSE;
 272     }
 273     dest->left   = max( src1->left, src2->left );
 274     dest->right  = min( src1->right, src2->right );
 275     dest->top    = max( src1->top, src2->top );
 276     dest->bottom = min( src1->bottom, src2->bottom );
 277     return TRUE;
 278 }
 279
 280
 281 /***********************************************************************
 282  *              UnionRect (USER.80)
 283  */
 284 BOOL16 WINAPI UnionRect16( LPRECT16 dest, const RECT16 *src1,
 285                            const RECT16 *src2 )
 286 {
 287     if (IsRectEmpty16(src1))
 288     {
 289         if (IsRectEmpty16(src2))
 290         {
 291             SetRectEmpty16( dest );
 292             return FALSE;
 293         }
 294         else *dest = *src2;
 295     }
 296     else
 297     {
 298         if (IsRectEmpty16(src2)) *dest = *src1;
 299         else
 300         {
 301             dest->left   = min( src1->left, src2->left );
 302             dest->right  = max( src1->right, src2->right );
 303             dest->top    = min( src1->top, src2->top );
 304             dest->bottom = max( src1->bottom, src2->bottom );
 305         }
 306     }
 307     return TRUE;
 308 }
 309
 310
 311 /***********************************************************************
 312  *              FillRect (USER.81)
 313  * NOTE
 314  *   The Win16 variant doesn't support special color brushes like
 315  *   the Win32 one, despite the fact that Win16, as well as Win32,
 316  *   supports special background brushes for a window class.
 317  */
 318 INT16 WINAPI FillRect16( HDC16 hdc, const RECT16 *rect, HBRUSH16 hbrush )
 319 {
 320     HBRUSH prevBrush;
 321
 322     /* coordinates are logical so we cannot fast-check 'rect',
 323      * it will be done later in the PatBlt().
 324      */
 325
 326     if (!(prevBrush = SelectObject( HDC_32(hdc), HBRUSH_32(hbrush) ))) return 0;
 327     PatBlt( HDC_32(hdc), rect->left, rect->top,
 328               rect->right - rect->left, rect->bottom - rect->top, PATCOPY );
 329     SelectObject( HDC_32(hdc), prevBrush );
 330     return 1;
 331 }
 332
 333
 334 /***********************************************************************
 335  *              InvertRect (USER.82)
 336  */
 337 void WINAPI InvertRect16( HDC16 hdc, const RECT16 *rect )
 338 {
 339     PatBlt( HDC_32(hdc), rect->left, rect->top,
 340               rect->right - rect->left, rect->bottom - rect->top, DSTINVERT );
 341 }
 342
 343
 344 /***********************************************************************
 345  *              FrameRect (USER.83)
 346  */
 347 INT16 WINAPI FrameRect16( HDC16 hdc, const RECT16 *rect16, HBRUSH16 hbrush )
 348 {
 349     RECT rect;
 350
 351     rect.left   = rect16->left;
 352     rect.top    = rect16->top;
 353     rect.right  = rect16->right;
 354     rect.bottom = rect16->bottom;
 355     return FrameRect( HDC_32(hdc), &rect, HBRUSH_32(hbrush) );
 356 }
 357
 358
 359 /***********************************************************************
 360  *              DrawIcon (USER.84)
 361  */
 362 BOOL16 WINAPI DrawIcon16(HDC16 hdc, INT16 x, INT16 y, HICON16 hIcon)
 363 {
 364   return DrawIcon(HDC_32(hdc), x, y, HICON_32(hIcon));
 365 }
 366
 367
 368 /***********************************************************************
 369  *           DrawText    (USER.85)
 370  */
 371 INT16 WINAPI DrawText16( HDC16 hdc, LPCSTR str, INT16 count, LPRECT16 rect, UINT16 flags )
 372 {
 373     INT16 ret;
 374
 375     if (rect)
 376     {
 377         RECT rect32;
 378
 379         rect32.left   = rect->left;
 380         rect32.top    = rect->top;
 381         rect32.right  = rect->right;
 382         rect32.bottom = rect->bottom;
 383         ret = DrawTextA( HDC_32(hdc), str, count, &rect32, flags );
 384         rect->left   = rect32.left;
 385         rect->top    = rect32.top;
 386         rect->right  = rect32.right;
 387         rect->bottom = rect32.bottom;
 388     }
 389     else ret = DrawTextA( HDC_32(hdc), str, count, NULL, flags);
 390     return ret;
 391 }
 392
 393
 394 /***********************************************************************
 395  *              IconSize (USER.86)
 396  *
 397  * See "Undocumented Windows". Used by W2.0 paint.exe.
 398  */
 399 DWORD WINAPI IconSize16(void)
 400 {
 401   return MAKELONG(GetSystemMetrics(SM_CYICON), GetSystemMetrics(SM_CXICON));
 402 }
 403
 404
 405 /***********************************************************************
 406  *              AdjustWindowRect (USER.102)
 407  */
 408 BOOL16 WINAPI AdjustWindowRect16( LPRECT16 rect, DWORD style, BOOL16 menu )
 409 {
 410     return AdjustWindowRectEx16( rect, style, menu, 0 );
 411 }
 412
 413
 414 /**************************************************************************
 415  *              CloseClipboard (USER.138)
 416  */
 417 BOOL16 WINAPI CloseClipboard16(void)
 418 {
 419     return CloseClipboard();
 420 }
 421
 422
 423 /**************************************************************************
 424  *              EmptyClipboard (USER.139)
 425  */
 426 BOOL16 WINAPI EmptyClipboard16(void)
 427 {
 428     return EmptyClipboard();
 429 }
 430
 431
 432 /**************************************************************************
 433  *              CountClipboardFormats (USER.143)
 434  */
 435 INT16 WINAPI CountClipboardFormats16(void)
 436 {
 437     return CountClipboardFormats();
 438 }
 439
 440
 441 /**************************************************************************
 442  *              EnumClipboardFormats (USER.144)
 443  */
 444 UINT16 WINAPI EnumClipboardFormats16( UINT16 id )
 445 {
 446     return EnumClipboardFormats( id );
 447 }
 448
 449
 450 /**************************************************************************
 451  *              RegisterClipboardFormat (USER.145)
 452  */
 453 UINT16 WINAPI RegisterClipboardFormat16( LPCSTR name )
 454 {
 455     return RegisterClipboardFormatA( name );
 456 }
 457
 458
 459 /**************************************************************************
 460  *              GetClipboardFormatName (USER.146)
 461  */
 462 INT16 WINAPI GetClipboardFormatName16( UINT16 id, LPSTR buffer, INT16 maxlen )
 463 {
 464     return GetClipboardFormatNameA( id, buffer, maxlen );
 465 }
 466
 467
 468 /**********************************************************************
 469  *         CreateMenu    (USER.151)
 470  */
 471 HMENU16 WINAPI CreateMenu16(void)
 472 {
 473     return HMENU_16( CreateMenu() );
 474 }
 475
 476
 477 /**********************************************************************
 478  *         DestroyMenu    (USER.152)
 479  */
 480 BOOL16 WINAPI DestroyMenu16( HMENU16 hMenu )
 481 {
 482     return DestroyMenu( HMENU_32(hMenu) );
 483 }
 484
 485
 486 /*******************************************************************
 487  *         ChangeMenu    (USER.153)
 488  */
 489 BOOL16 WINAPI ChangeMenu16( HMENU16 hMenu, UINT16 pos, SEGPTR data,
 490                             UINT16 id, UINT16 flags )
 491 {
 492     if (flags & MF_APPEND) return AppendMenu16( hMenu, flags & ~MF_APPEND, id, data );
 493
 494     /* FIXME: Word passes the item id in 'pos' and 0 or 0xffff as id */
 495     /* for MF_DELETE. We should check the parameters for all others */
 496     /* MF_* actions also (anybody got a doc on ChangeMenu?). */
 497
 498     if (flags & MF_DELETE) return DeleteMenu16(hMenu, pos, flags & ~MF_DELETE);
 499     if (flags & MF_CHANGE) return ModifyMenu16(hMenu, pos, flags & ~MF_CHANGE, id, data );
 500     if (flags & MF_REMOVE) return RemoveMenu16(hMenu, flags & MF_BYPOSITION ? pos : id,
 501                                                flags & ~MF_REMOVE );
 502     /* Default: MF_INSERT */
 503     return InsertMenu16( hMenu, pos, flags, id, data );
 504 }
 505
 506
 507 /*******************************************************************
 508  *         CheckMenuItem    (USER.154)
 509  */
 510 BOOL16 WINAPI CheckMenuItem16( HMENU16 hMenu, UINT16 id, UINT16 flags )
 511 {
 512     return CheckMenuItem( HMENU_32(hMenu), id, flags );
 513 }
 514
 515
 516 /**********************************************************************
 517  *         EnableMenuItem    (USER.155)
 518  */
 519 UINT16 WINAPI EnableMenuItem16( HMENU16 hMenu, UINT16 wItemID, UINT16 wFlags )
 520 {
 521     return EnableMenuItem( HMENU_32(hMenu), wItemID, wFlags );
 522 }
 523
 524
 525 /**********************************************************************
 526  *         GetSubMenu    (USER.159)
 527  */
 528 HMENU16 WINAPI GetSubMenu16( HMENU16 hMenu, INT16 nPos )
 529 {
 530     return HMENU_16( GetSubMenu( HMENU_32(hMenu), nPos ) );
 531 }
 532
 533
 534 /*******************************************************************
 535  *         GetMenuString    (USER.161)
 536  */
 537 INT16 WINAPI GetMenuString16( HMENU16 hMenu, UINT16 wItemID,
 538                               LPSTR str, INT16 nMaxSiz, UINT16 wFlags )
 539 {
 540     return GetMenuStringA( HMENU_32(hMenu), wItemID, str, nMaxSiz, wFlags );
 541 }
 542
 543
 544 /**********************************************************************
 545  *              WinHelp (USER.171)
 546  */
 547 BOOL16 WINAPI WinHelp16( HWND16 hWnd, LPCSTR lpHelpFile, UINT16 wCommand,
 548                          DWORD dwData )
 549 {
 550     BOOL ret;
 551     DWORD mutex_count;
 552
 553     /* We might call WinExec() */
 554     ReleaseThunkLock(&mutex_count);
 555
 556     ret = WinHelpA(WIN_Handle32(hWnd), lpHelpFile, wCommand, (DWORD)MapSL(dwData));
 557
 558     RestoreThunkLock(mutex_count);
 559     return ret;
 560 }
 561
 562
 563 /***********************************************************************
 564  *              LoadCursor (USER.173)
 565  */
 566 HCURSOR16 WINAPI LoadCursor16(HINSTANCE16 hInstance, LPCSTR name)
 567 {
 568   return HCURSOR_16(LoadCursorA(HINSTANCE_32(hInstance), name));
 569 }
 570
 571
 572 /***********************************************************************
 573  *              LoadIcon (USER.174)
 574  */
 575 HICON16 WINAPI LoadIcon16(HINSTANCE16 hInstance, LPCSTR name)
 576 {
 577   return HICON_16(LoadIconA(HINSTANCE_32(hInstance), name));
 578 }
 579
 580 /**********************************************************************
 581  *              LoadBitmap (USER.175)
 582  */
 583 HBITMAP16 WINAPI LoadBitmap16(HINSTANCE16 hInstance, LPCSTR name)
 584 {
 585   return HBITMAP_16(LoadBitmapA(HINSTANCE_32(hInstance), name));
 586 }
 587
 588
 589 /***********************************************************************
 590  *              GetSystemMetrics (USER.179)
 591  */
 592 INT16 WINAPI GetSystemMetrics16( INT16 index )
 593 {
 594     return GetSystemMetrics( index );
 595 }
 596
 597
 598 /*************************************************************************
 599  *              GetSysColor (USER.180)
 600  */
 601 COLORREF WINAPI GetSysColor16( INT16 index )
 602 {
 603     return GetSysColor( index );
 604 }
 605
 606
 607 /*************************************************************************
 608  *              SetSysColors (USER.181)
 609  */
 610 VOID WINAPI SetSysColors16( INT16 count, const INT16 *list16, const COLORREF *values )
 611 {
 612     INT i, *list;
 613
 614     if ((list = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*list) )))
 615     {
 616         for (i = 0; i < count; i++) list[i] = list16[i];
 617         SetSysColors( count, list, values );
 618         HeapFree( GetProcessHeap(), 0, list );
 619     }
 620 }
 621
 622
 623 /***********************************************************************
 624  *           GrayString   (USER.185)
 625  */
 626 BOOL16 WINAPI GrayString16( HDC16 hdc, HBRUSH16 hbr, GRAYSTRINGPROC16 gsprc,
 627                             LPARAM lParam, INT16 cch, INT16 x, INT16 y,
 628                             INT16 cx, INT16 cy )
 629 {
 630     BOOL ret;
 631
 632     if (!gsprc) return GrayStringA( HDC_32(hdc), HBRUSH_32(hbr), NULL,
 633                                     (LPARAM)MapSL(lParam), cch, x, y, cx, cy );
 634
 635     if (cch == -1 || (cch && cx && cy))
 636     {
 637         /* lParam can be treated as an opaque pointer */
 638         struct gray_string_info info;
 639
 640         info.proc  = gsprc;
 641         info.param = lParam;
 642         ret = GrayStringA( HDC_32(hdc), HBRUSH_32(hbr), gray_string_callback,
 643                            (LPARAM)&info, cch, x, y, cx, cy );
 644     }
 645     else  /* here we need some string conversions */
 646     {
 647         char *str16 = MapSL(lParam);
 648         struct gray_string_info *info;
 649
 650         if (!cch) cch = strlen(str16);
 651         if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info) + cch ))) return FALSE;
 652         info->proc  = gsprc;
 653         info->param = lParam;
 654         memcpy( info->str, str16, cch );
 655         ret = GrayStringA( HDC_32(hdc), HBRUSH_32(hbr), gray_string_callback_ptr,
 656                            (LPARAM)info->str, cch, x, y, cx, cy );
 657         HeapFree( GetProcessHeap(), 0, info );
 658     }
 659     return ret;
 660 }
 661
 662
 663 /**************************************************************************
 664  *              IsClipboardFormatAvailable (USER.193)
 665  */
 666 BOOL16 WINAPI IsClipboardFormatAvailable16( UINT16 wFormat )
 667 {
 668     return IsClipboardFormatAvailable( wFormat );
 669 }
 670
 671
 672 /***********************************************************************
 673  *           TabbedTextOut    (USER.196)
 674  */
 675 LONG WINAPI TabbedTextOut16( HDC16 hdc, INT16 x, INT16 y, LPCSTR lpstr,
 676                              INT16 count, INT16 nb_tabs, const INT16 *tabs16, INT16 tab_org )
 677 {
 678     LONG ret;
 679     INT i, *tabs = HeapAlloc( GetProcessHeap(), 0, nb_tabs * sizeof(tabs) );
 680     if (!tabs) return 0;
 681     for (i = 0; i < nb_tabs; i++) tabs[i] = tabs16[i];
 682     ret = TabbedTextOutA( HDC_32(hdc), x, y, lpstr, count, nb_tabs, tabs, tab_org );
 683     HeapFree( GetProcessHeap(), 0, tabs );
 684     return ret;
 685 }
 686
 687
 688 /***********************************************************************
 689  *           GetTabbedTextExtent    (USER.197)
 690  */
 691 DWORD WINAPI GetTabbedTextExtent16( HDC16 hdc, LPCSTR lpstr, INT16 count,
 692                                     INT16 nb_tabs, const INT16 *tabs16 )
 693 {
 694     LONG ret;
 695     INT i, *tabs = HeapAlloc( GetProcessHeap(), 0, nb_tabs * sizeof(tabs) );
 696     if (!tabs) return 0;
 697     for (i = 0; i < nb_tabs; i++) tabs[i] = tabs16[i];
 698     ret = GetTabbedTextExtentA( HDC_32(hdc), lpstr, count, nb_tabs, tabs );
 699     HeapFree( GetProcessHeap(), 0, tabs );
 700     return ret;
 701 }
 702
 703
 704 /*************************************************************************
 705  *              ScrollDC (USER.221)
 706  */
 707 BOOL16 WINAPI ScrollDC16( HDC16 hdc, INT16 dx, INT16 dy, const RECT16 *rect,
 708                           const RECT16 *cliprc, HRGN16 hrgnUpdate,
 709                           LPRECT16 rcUpdate )
 710 {
 711     RECT rect32, clipRect32, rcUpdate32;
 712     BOOL16 ret;
 713
 714     if (rect)
 715     {
 716         rect32.left   = rect->left;
 717         rect32.top    = rect->top;
 718         rect32.right  = rect->right;
 719         rect32.bottom = rect->bottom;
 720     }
 721     if (cliprc)
 722     {
 723         clipRect32.left   = cliprc->left;
 724         clipRect32.top    = cliprc->top;
 725         clipRect32.right  = cliprc->right;
 726         clipRect32.bottom = cliprc->bottom;
 727     }
 728     ret = ScrollDC( HDC_32(hdc), dx, dy, rect ? &rect32 : NULL,
 729                     cliprc ? &clipRect32 : NULL, HRGN_32(hrgnUpdate),
 730                     &rcUpdate32 );
 731     if (rcUpdate)
 732     {
 733         rcUpdate->left   = rcUpdate32.left;
 734         rcUpdate->top    = rcUpdate32.top;
 735         rcUpdate->right  = rcUpdate32.right;
 736         rcUpdate->bottom = rcUpdate32.bottom;
 737     }
 738     return ret;
 739 }
 740
 741
 742 /***********************************************************************
 743  *              GetSystemDebugState (USER.231)
 744  */
 745 WORD WINAPI GetSystemDebugState16(void)
 746 {
 747     return 0;  /* FIXME */
 748 }
 749
 750
 751 /***********************************************************************
 752  *              EqualRect (USER.244)
 753  */
 754 BOOL16 WINAPI EqualRect16( const RECT16* rect1, const RECT16* rect2 )
 755 {
 756     return ((rect1->left == rect2->left) && (rect1->right == rect2->right) &&
 757             (rect1->top == rect2->top) && (rect1->bottom == rect2->bottom));
 758 }
 759
 760
 761 /***********************************************************************
 762  *              ExitWindowsExec (USER.246)
 763  */
 764 BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
 765 {
 766     TRACE("Should run the following in DOS-mode: \"%s %s\"\n",
 767           lpszExe, lpszParams);
 768     return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
 769 }
 770
 771
 772 /***********************************************************************
 773  *              GetCursor (USER.247)
 774  */
 775 HCURSOR16 WINAPI GetCursor16(void)
 776 {
 777   return HCURSOR_16(GetCursor());
 778 }
 779
 780
 781 /**********************************************************************
 782  *              GetAsyncKeyState (USER.249)
 783  */
 784 INT16 WINAPI GetAsyncKeyState16( INT16 key )
 785 {
 786     return GetAsyncKeyState( key );
 787 }
 788
 789
 790 /**********************************************************************
 791  *         GetMenuState    (USER.250)
 792  */
 793 UINT16 WINAPI GetMenuState16( HMENU16 hMenu, UINT16 wItemID, UINT16 wFlags )
 794 {
 795     return GetMenuState( HMENU_32(hMenu), wItemID, wFlags );
 796 }
 797
 798
 799 /**********************************************************************
 800  *         GetMenuItemCount    (USER.263)
 801  */
 802 INT16 WINAPI GetMenuItemCount16( HMENU16 hMenu )
 803 {
 804     return GetMenuItemCount( HMENU_32(hMenu) );
 805 }
 806
 807
 808 /**********************************************************************
 809  *         GetMenuItemID    (USER.264)
 810  */
 811 UINT16 WINAPI GetMenuItemID16( HMENU16 hMenu, INT16 nPos )
 812 {
 813     return GetMenuItemID( HMENU_32(hMenu), nPos );
 814 }
 815
 816
 817 /***********************************************************************
 818  *              GlobalAddAtom (USER.268)
 819  */
 820 ATOM WINAPI GlobalAddAtom16(LPCSTR lpString)
 821 {
 822   return GlobalAddAtomA(lpString);
 823 }
 824
 825 /***********************************************************************
 826  *              GlobalDeleteAtom (USER.269)
 827  */
 828 ATOM WINAPI GlobalDeleteAtom16(ATOM nAtom)
 829 {
 830   return GlobalDeleteAtom(nAtom);
 831 }
 832
 833 /***********************************************************************
 834  *              GlobalFindAtom (USER.270)
 835  */
 836 ATOM WINAPI GlobalFindAtom16(LPCSTR lpString)
 837 {
 838   return GlobalFindAtomA(lpString);
 839 }
 840
 841 /***********************************************************************
 842  *              GlobalGetAtomName (USER.271)
 843  */
 844 UINT16 WINAPI GlobalGetAtomName16(ATOM nAtom, LPSTR lpBuffer, INT16 nSize)
 845 {
 846   return GlobalGetAtomNameA(nAtom, lpBuffer, nSize);
 847 }
 848
 849
 850 /***********************************************************************
 851  *              GetSysColorBrush (USER.281)
 852  */
 853 HBRUSH16 WINAPI GetSysColorBrush16( INT16 index )
 854 {
 855     return HBRUSH_16( GetSysColorBrush(index) );
 856 }
 857
 858
 859 /***********************************************************************
 860  *              SelectPalette (USER.282)
 861  */
 862 HPALETTE16 WINAPI SelectPalette16( HDC16 hdc, HPALETTE16 hpal, BOOL16 bForceBackground )
 863 {
 864     return HPALETTE_16( SelectPalette( HDC_32(hdc), HPALETTE_32(hpal), bForceBackground ));
 865 }
 866
 867 /***********************************************************************
 868  *              RealizePalette (USER.283)
 869  */
 870 UINT16 WINAPI RealizePalette16( HDC16 hdc )
 871 {
 872     return UserRealizePalette( HDC_32(hdc) );
 873 }
 874
 875
 876 /***********************************************************************
 877  *              GetClipCursor (USER.309)
 878  */
 879 void WINAPI GetClipCursor16( RECT16 *rect )
 880 {
 881     if (rect)
 882     {
 883         RECT rect32;
 884         GetClipCursor( &rect32 );
 885         rect->left   = rect32.left;
 886         rect->top    = rect32.top;
 887         rect->right  = rect32.right;
 888         rect->bottom = rect32.bottom;
 889     }
 890 }
 891
 892
 893 /***********************************************************************
 894  *              SignalProc (USER.314)
 895  */
 896 void WINAPI SignalProc16( HANDLE16 hModule, UINT16 code,
 897                           UINT16 uExitFn, HINSTANCE16 hInstance, HQUEUE16 hQueue )
 898 {
 899     if (code == USIG16_DLL_UNLOAD)
 900     {
 901         /* HOOK_FreeModuleHooks( hModule ); */
 902         CLASS_FreeModuleClasses( hModule );
 903         CURSORICON_FreeModuleIcons( hModule );
 904     }
 905 }
 906
 907
 908 /***********************************************************************
 909  *              SetEventHook (USER.321)
 910  *
 911  *      Used by Turbo Debugger for Windows
 912  */
 913 FARPROC16 WINAPI SetEventHook16(FARPROC16 lpfnEventHook)
 914 {
 915     FIXME("(lpfnEventHook=%p): stub\n", lpfnEventHook);
 916     return 0;
 917 }
 918
 919
 920 /**********************************************************************
 921  *              EnableHardwareInput (USER.331)
 922  */
 923 BOOL16 WINAPI EnableHardwareInput16(BOOL16 bEnable)
 924 {
 925     FIXME("(%d) - stub\n", bEnable);
 926     return TRUE;
 927 }
 928
 929
 930 /***********************************************************************
 931  *              IsUserIdle (USER.333)
 932  */
 933 BOOL16 WINAPI IsUserIdle16(void)
 934 {
 935     if ( GetAsyncKeyState( VK_LBUTTON ) & 0x8000 )
 936         return FALSE;
 937     if ( GetAsyncKeyState( VK_RBUTTON ) & 0x8000 )
 938         return FALSE;
 939     if ( GetAsyncKeyState( VK_MBUTTON ) & 0x8000 )
 940         return FALSE;
 941     /* Should check for screen saver activation here ... */
 942     return TRUE;
 943 }
 944
 945
 946 /**********************************************************************
 947  *              IsMenu    (USER.358)
 948  */
 949 BOOL16 WINAPI IsMenu16( HMENU16 hmenu )
 950 {
 951     return IsMenu( HMENU_32(hmenu) );
 952 }
 953
 954
 955 /***********************************************************************
 956  *              DCHook (USER.362)
 957  */
 958 BOOL16 WINAPI DCHook16( HDC16 hdc, WORD code, DWORD data, LPARAM lParam )
 959 {
 960     FIXME( "hDC = %x, %i: stub\n", hdc, code );
 961     return FALSE;
 962 }
 963
 964
 965 /***********************************************************************
 966  *              SubtractRect (USER.373)
 967  */
 968 BOOL16 WINAPI SubtractRect16( LPRECT16 dest, const RECT16 *src1,
 969                               const RECT16 *src2 )
 970 {
 971     RECT16 tmp;
 972
 973     if (IsRectEmpty16( src1 ))
 974     {
 975         SetRectEmpty16( dest );
 976         return FALSE;
 977     }
 978     *dest = *src1;
 979     if (IntersectRect16( &tmp, src1, src2 ))
 980     {
 981         if (EqualRect16( &tmp, dest ))
 982         {
 983             SetRectEmpty16( dest );
 984             return FALSE;
 985         }
 986         if ((tmp.top == dest->top) && (tmp.bottom == dest->bottom))
 987         {
 988             if (tmp.left == dest->left) dest->left = tmp.right;
 989             else if (tmp.right == dest->right) dest->right = tmp.left;
 990         }
 991         else if ((tmp.left == dest->left) && (tmp.right == dest->right))
 992         {
 993             if (tmp.top == dest->top) dest->top = tmp.bottom;
 994             else if (tmp.bottom == dest->bottom) dest->bottom = tmp.top;
 995         }
 996     }
 997     return TRUE;
 998 }
 999
1000
1001 /**********************************************************************
1002  *         SetMenuContextHelpId    (USER.384)
1003  */
1004 BOOL16 WINAPI SetMenuContextHelpId16( HMENU16 hMenu, DWORD dwContextHelpID)
1005 {
1006     return SetMenuContextHelpId( HMENU_32(hMenu), dwContextHelpID );
1007 }
1008
1009
1010 /**********************************************************************
1011  *         GetMenuContextHelpId    (USER.385)
1012  */
1013 DWORD WINAPI GetMenuContextHelpId16( HMENU16 hMenu )
1014 {
1015     return GetMenuContextHelpId( HMENU_32(hMenu) );
1016 }
1017
1018
1019 /***********************************************************************
1020  *              LoadImage (USER.389)
1021  *
1022  */
1023 HANDLE16 WINAPI LoadImage16(HINSTANCE16 hinst, LPCSTR name, UINT16 type,
1024                             INT16 desiredx, INT16 desiredy, UINT16 loadflags)
1025 {
1026   return HANDLE_16(LoadImageA(HINSTANCE_32(hinst), name, type, desiredx,
1027                               desiredy, loadflags));
1028 }
1029
1030 /******************************************************************************
1031  *              CopyImage (USER.390) Creates new image and copies attributes to it
1032  *
1033  */
1034 HICON16 WINAPI CopyImage16(HANDLE16 hnd, UINT16 type, INT16 desiredx,
1035                            INT16 desiredy, UINT16 flags)
1036 {
1037   return HICON_16(CopyImage(HANDLE_32(hnd), (UINT)type, (INT)desiredx,
1038                             (INT)desiredy, (UINT)flags));
1039 }
1040
1041 /**********************************************************************
1042  *              DrawIconEx (USER.394)
1043  */
1044 BOOL16 WINAPI DrawIconEx16(HDC16 hdc, INT16 xLeft, INT16 yTop, HICON16 hIcon,
1045                            INT16 cxWidth, INT16 cyWidth, UINT16 istep,
1046                            HBRUSH16 hbr, UINT16 flags)
1047 {
1048   return DrawIconEx(HDC_32(hdc), xLeft, yTop, HICON_32(hIcon), cxWidth, cyWidth,
1049                     istep, HBRUSH_32(hbr), flags);
1050 }
1051
1052 /**********************************************************************
1053  *              GetIconInfo (USER.395)
1054  */
1055 BOOL16 WINAPI GetIconInfo16(HICON16 hIcon, LPICONINFO16 iconinfo)
1056 {
1057   ICONINFO ii32;
1058   BOOL16 ret = GetIconInfo(HICON_32(hIcon), &ii32);
1059
1060   iconinfo->fIcon = ii32.fIcon;
1061   iconinfo->xHotspot = ii32.xHotspot;
1062   iconinfo->yHotspot = ii32.yHotspot;
1063   iconinfo->hbmMask  = HBITMAP_16(ii32.hbmMask);
1064   iconinfo->hbmColor = HBITMAP_16(ii32.hbmColor);
1065   return ret;
1066 }
1067
1068
1069 /***********************************************************************
1070  *              FinalUserInit (USER.400)
1071  */
1072 void WINAPI FinalUserInit16( void )
1073 {
1074     /* FIXME: Should chain to FinalGdiInit */
1075 }
1076
1077
1078 /***********************************************************************
1079  *              CreateCursor (USER.406)
1080  */
1081 HCURSOR16 WINAPI CreateCursor16(HINSTANCE16 hInstance,
1082                                 INT16 xHotSpot, INT16 yHotSpot,
1083                                 INT16 nWidth, INT16 nHeight,
1084                                 LPCVOID lpANDbits, LPCVOID lpXORbits)
1085 {
1086   CURSORICONINFO info;
1087
1088   info.ptHotSpot.x = xHotSpot;
1089   info.ptHotSpot.y = yHotSpot;
1090   info.nWidth = nWidth;
1091   info.nHeight = nHeight;
1092   info.nWidthBytes = 0;
1093   info.bPlanes = 1;
1094   info.bBitsPerPixel = 1;
1095
1096   return CreateCursorIconIndirect16(hInstance, &info, lpANDbits, lpXORbits);
1097 }
1098
1099
1100 /*******************************************************************
1101  *         InsertMenu    (USER.410)
1102  */
1103 BOOL16 WINAPI InsertMenu16( HMENU16 hMenu, UINT16 pos, UINT16 flags,
1104                             UINT16 id, SEGPTR data )
1105 {
1106     UINT pos32 = (UINT)pos;
1107     if ((pos == (UINT16)-1) && (flags & MF_BYPOSITION)) pos32 = (UINT)-1;
1108     if (IS_MENU_STRING_ITEM(flags) && data)
1109         return InsertMenuA( HMENU_32(hMenu), pos32, flags, id, MapSL(data) );
1110     return InsertMenuA( HMENU_32(hMenu), pos32, flags, id, (LPSTR)data );
1111 }
1112
1113
1114 /*******************************************************************
1115  *         AppendMenu    (USER.411)
1116  */
1117 BOOL16 WINAPI AppendMenu16(HMENU16 hMenu, UINT16 flags, UINT16 id, SEGPTR data)
1118 {
1119     return InsertMenu16( hMenu, -1, flags | MF_BYPOSITION, id, data );
1120 }
1121
1122
1123 /**********************************************************************
1124  *         RemoveMenu   (USER.412)
1125  */
1126 BOOL16 WINAPI RemoveMenu16( HMENU16 hMenu, UINT16 nPos, UINT16 wFlags )
1127 {
1128     return RemoveMenu( HMENU_32(hMenu), nPos, wFlags );
1129 }
1130
1131
1132 /**********************************************************************
1133  *         DeleteMenu    (USER.413)
1134  */
1135 BOOL16 WINAPI DeleteMenu16( HMENU16 hMenu, UINT16 nPos, UINT16 wFlags )
1136 {
1137     return DeleteMenu( HMENU_32(hMenu), nPos, wFlags );
1138 }
1139
1140
1141 /*******************************************************************
1142  *         ModifyMenu    (USER.414)
1143  */
1144 BOOL16 WINAPI ModifyMenu16( HMENU16 hMenu, UINT16 pos, UINT16 flags,
1145                             UINT16 id, SEGPTR data )
1146 {
1147     if (IS_MENU_STRING_ITEM(flags))
1148         return ModifyMenuA( HMENU_32(hMenu), pos, flags, id, MapSL(data) );
1149     return ModifyMenuA( HMENU_32(hMenu), pos, flags, id, (LPSTR)data );
1150 }
1151
1152
1153 /**********************************************************************
1154  *         CreatePopupMenu    (USER.415)
1155  */
1156 HMENU16 WINAPI CreatePopupMenu16(void)
1157 {
1158     return HMENU_16( CreatePopupMenu() );
1159 }
1160
1161
1162 /**********************************************************************
1163  *         SetMenuItemBitmaps    (USER.418)
1164  */
1165 BOOL16 WINAPI SetMenuItemBitmaps16( HMENU16 hMenu, UINT16 nPos, UINT16 wFlags,
1166                                     HBITMAP16 hNewUnCheck, HBITMAP16 hNewCheck)
1167 {
1168     return SetMenuItemBitmaps( HMENU_32(hMenu), nPos, wFlags,
1169                                HBITMAP_32(hNewUnCheck), HBITMAP_32(hNewCheck) );
1170 }
1171
1172
1173 /***********************************************************************
1174  *           lstrcmp   (USER.430)
1175  */
1176 INT16 WINAPI lstrcmp16( LPCSTR str1, LPCSTR str2 )
1177 {
1178     return strcmp( str1, str2 );
1179 }
1180
1181
1182 /***********************************************************************
1183  *           AnsiUpper   (USER.431)
1184  */
1185 SEGPTR WINAPI AnsiUpper16( SEGPTR strOrChar )
1186 {
1187     /* uppercase only one char if strOrChar < 0x10000 */
1188     if (HIWORD(strOrChar))
1189     {
1190         CharUpperA( MapSL(strOrChar) );
1191         return strOrChar;
1192     }
1193     else return (SEGPTR)CharUpperA( (LPSTR)strOrChar );
1194 }
1195
1196
1197 /***********************************************************************
1198  *           AnsiLower   (USER.432)
1199  */
1200 SEGPTR WINAPI AnsiLower16( SEGPTR strOrChar )
1201 {
1202     /* lowercase only one char if strOrChar < 0x10000 */
1203     if (HIWORD(strOrChar))
1204     {
1205         CharLowerA( MapSL(strOrChar) );
1206         return strOrChar;
1207     }
1208     else return (SEGPTR)CharLowerA( (LPSTR)strOrChar );
1209 }
1210
1211
1212 /***********************************************************************
1213  *           AnsiUpperBuff   (USER.437)
1214  */
1215 UINT16 WINAPI AnsiUpperBuff16( LPSTR str, UINT16 len )
1216 {
1217     CharUpperBuffA( str, len ? len : 65536 );
1218     return len;
1219 }
1220
1221
1222 /***********************************************************************
1223  *           AnsiLowerBuff   (USER.438)
1224  */
1225 UINT16 WINAPI AnsiLowerBuff16( LPSTR str, UINT16 len )
1226 {
1227     CharLowerBuffA( str, len ? len : 65536 );
1228     return len;
1229 }
1230
1231
1232 /*******************************************************************
1233  *              InsertMenuItem   (USER.441)
1234  *
1235  * FIXME: untested
1236  */
1237 BOOL16 WINAPI InsertMenuItem16( HMENU16 hmenu, UINT16 pos, BOOL16 byposition,
1238                                 const MENUITEMINFO16 *mii )
1239 {
1240     MENUITEMINFOA miia;
1241
1242     miia.cbSize        = sizeof(miia);
1243     miia.fMask         = mii->fMask;
1244     miia.dwTypeData    = (LPSTR)mii->dwTypeData;
1245     miia.fType         = mii->fType;
1246     miia.fState        = mii->fState;
1247     miia.wID           = mii->wID;
1248     miia.hSubMenu      = HMENU_32(mii->hSubMenu);
1249     miia.hbmpChecked   = HBITMAP_32(mii->hbmpChecked);
1250     miia.hbmpUnchecked = HBITMAP_32(mii->hbmpUnchecked);
1251     miia.dwItemData    = mii->dwItemData;
1252     miia.cch           = mii->cch;
1253     if (IS_MENU_STRING_ITEM(miia.fType))
1254         miia.dwTypeData = MapSL(mii->dwTypeData);
1255     return InsertMenuItemA( HMENU_32(hmenu), pos, byposition, &miia );
1256 }
1257
1258
1259 /**********************************************************************
1260  *           DrawState    (USER.449)
1261  */
1262 BOOL16 WINAPI DrawState16( HDC16 hdc, HBRUSH16 hbr, DRAWSTATEPROC16 func, LPARAM ldata,
1263                            WPARAM16 wdata, INT16 x, INT16 y, INT16 cx, INT16 cy, UINT16 flags )
1264 {
1265     struct draw_state_info info;
1266     UINT opcode = flags & 0xf;
1267
1268     if (opcode == DST_TEXT || opcode == DST_PREFIXTEXT)
1269     {
1270         /* make sure DrawStateA doesn't try to use ldata as a pointer */
1271         if (!wdata) wdata = strlen( MapSL(ldata) );
1272         if (!cx || !cy)
1273         {
1274             SIZE s;
1275             if (!GetTextExtentPoint32A( HDC_32(hdc), MapSL(ldata), wdata, &s )) return FALSE;
1276             if (!cx) cx = s.cx;
1277             if (!cy) cy = s.cy;
1278         }
1279     }
1280     info.proc  = func;
1281     info.param = ldata;
1282     return DrawStateA( HDC_32(hdc), HBRUSH_32(hbr), draw_state_callback,
1283                        (LPARAM)&info, wdata, x, y, cx, cy, flags );
1284 }
1285
1286
1287 /**********************************************************************
1288  *              CreateIconFromResourceEx (USER.450)
1289  *
1290  * FIXME: not sure about exact parameter types
1291  */
1292 HICON16 WINAPI CreateIconFromResourceEx16(LPBYTE bits, UINT16 cbSize,
1293                                           BOOL16 bIcon, DWORD dwVersion,
1294                                           INT16 width, INT16 height,
1295                                           UINT16 cFlag)
1296 {
1297   return HICON_16(CreateIconFromResourceEx(bits, cbSize, bIcon, dwVersion,
1298                                            width, height, cFlag));
1299 }
1300
1301
1302 /***********************************************************************
1303  *              AdjustWindowRectEx (USER.454)
1304  */
1305 BOOL16 WINAPI AdjustWindowRectEx16( LPRECT16 rect, DWORD style, BOOL16 menu, DWORD exStyle )
1306 {
1307     RECT rect32;
1308     BOOL ret;
1309
1310     rect32.left   = rect->left;
1311     rect32.top    = rect->top;
1312     rect32.right  = rect->right;
1313     rect32.bottom = rect->bottom;
1314     ret = AdjustWindowRectEx( &rect32, style, menu, exStyle );
1315     rect->left   = rect32.left;
1316     rect->top    = rect32.top;
1317     rect->right  = rect32.right;
1318     rect->bottom = rect32.bottom;
1319     return ret;
1320 }
1321
1322
1323 /***********************************************************************
1324  *              DestroyIcon (USER.457)
1325  */
1326 BOOL16 WINAPI DestroyIcon16(HICON16 hIcon)
1327 {
1328   return DestroyIcon32(hIcon, 0);
1329 }
1330
1331 /***********************************************************************
1332  *              DestroyCursor (USER.458)
1333  */
1334 BOOL16 WINAPI DestroyCursor16(HCURSOR16 hCursor)
1335 {
1336   return DestroyIcon32(hCursor, 0);
1337 }
1338
1339 /*******************************************************************
1340  *                      DRAG_QueryUpdate16
1341  *
1342  * Recursively find a child that contains spDragInfo->pt point
1343  * and send WM_QUERYDROPOBJECT. Helper for DragObject16.
1344  */
1345 static BOOL DRAG_QueryUpdate16( HWND hQueryWnd, SEGPTR spDragInfo )
1346 {
1347     BOOL bResult = 0;
1348     WPARAM wParam;
1349     POINT pt, old_pt;
1350     LPDRAGINFO16 ptrDragInfo = MapSL(spDragInfo);
1351     RECT tempRect;
1352     HWND child;
1353
1354     if (!IsWindowEnabled(hQueryWnd)) return FALSE;
1355
1356     old_pt.x = ptrDragInfo->pt.x;
1357     old_pt.y = ptrDragInfo->pt.y;
1358     pt = old_pt;
1359     ScreenToClient( hQueryWnd, &pt );
1360     child = ChildWindowFromPointEx( hQueryWnd, pt, CWP_SKIPINVISIBLE );
1361     if (!child) return FALSE;
1362
1363     if (child != hQueryWnd)
1364     {
1365         wParam = 0;
1366         if (DRAG_QueryUpdate16( child, spDragInfo )) return TRUE;
1367     }
1368     else
1369     {
1370         GetClientRect( hQueryWnd, &tempRect );
1371         wParam = !PtInRect( &tempRect, pt );
1372     }
1373
1374     ptrDragInfo->pt.x = pt.x;
1375     ptrDragInfo->pt.y = pt.y;
1376     ptrDragInfo->hScope = HWND_16(hQueryWnd);
1377
1378     bResult = SendMessage16( HWND_16(hQueryWnd), WM_QUERYDROPOBJECT, wParam, spDragInfo );
1379
1380     if (!bResult)
1381     {
1382         ptrDragInfo->pt.x = old_pt.x;
1383         ptrDragInfo->pt.y = old_pt.y;
1384     }
1385     return bResult;
1386 }
1387
1388
1389 /******************************************************************************
1390  *              DragObject (USER.464)
1391  */
1392 DWORD WINAPI DragObject16( HWND16 hwndScope, HWND16 hWnd, UINT16 wObj,
1393                            HANDLE16 hOfStruct, WORD szList, HCURSOR16 hCursor )
1394 {
1395     MSG msg;
1396     LPDRAGINFO16 lpDragInfo;
1397     SEGPTR      spDragInfo;
1398     HCURSOR     hOldCursor=0, hBummer=0;
1399     HGLOBAL16   hDragInfo  = GlobalAlloc16( GMEM_SHARE | GMEM_ZEROINIT, 2*sizeof(DRAGINFO16));
1400     HCURSOR     hCurrentCursor = 0;
1401     HWND16      hCurrentWnd = 0;
1402
1403     lpDragInfo = (LPDRAGINFO16) GlobalLock16(hDragInfo);
1404     spDragInfo = K32WOWGlobalLock16(hDragInfo);
1405
1406     if( !lpDragInfo || !spDragInfo ) return 0L;
1407
1408     if (!(hBummer = LoadCursorA(0, MAKEINTRESOURCEA(OCR_NO))))
1409     {
1410         GlobalFree16(hDragInfo);
1411         return 0L;
1412     }
1413
1414     if(hCursor) hOldCursor = SetCursor(HCURSOR_32(hCursor));
1415
1416     lpDragInfo->hWnd   = hWnd;
1417     lpDragInfo->hScope = 0;
1418     lpDragInfo->wFlags = wObj;
1419     lpDragInfo->hList  = szList; /* near pointer! */
1420     lpDragInfo->hOfStruct = hOfStruct;
1421     lpDragInfo->l = 0L;
1422
1423     SetCapture( HWND_32(hWnd) );
1424     ShowCursor( TRUE );
1425
1426     do
1427     {
1428         GetMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST );
1429
1430        *(lpDragInfo+1) = *lpDragInfo;
1431
1432         lpDragInfo->pt.x = msg.pt.x;
1433         lpDragInfo->pt.y = msg.pt.y;
1434
1435         /* update DRAGINFO struct */
1436         if( DRAG_QueryUpdate16(WIN_Handle32(hwndScope), spDragInfo) > 0 )
1437             hCurrentCursor = HCURSOR_32(hCursor);
1438         else
1439         {
1440             hCurrentCursor = hBummer;
1441             lpDragInfo->hScope = 0;
1442         }
1443         if( hCurrentCursor )
1444             SetCursor(hCurrentCursor);
1445
1446         /* send WM_DRAGLOOP */
1447         SendMessage16( hWnd, WM_DRAGLOOP, (WPARAM16)(hCurrentCursor != hBummer),
1448                                           (LPARAM) spDragInfo );
1449         /* send WM_DRAGSELECT or WM_DRAGMOVE */
1450         if( hCurrentWnd != lpDragInfo->hScope )
1451         {
1452             if( hCurrentWnd )
1453                 SendMessage16( hCurrentWnd, WM_DRAGSELECT, 0,
1454                        (LPARAM)MAKELONG(LOWORD(spDragInfo)+sizeof(DRAGINFO16),
1455                                         HIWORD(spDragInfo)) );
1456             hCurrentWnd = lpDragInfo->hScope;
1457             if( hCurrentWnd )
1458                 SendMessage16( hCurrentWnd, WM_DRAGSELECT, 1, (LPARAM)spDragInfo);
1459         }
1460         else
1461             if( hCurrentWnd )
1462                 SendMessage16( hCurrentWnd, WM_DRAGMOVE, 0, (LPARAM)spDragInfo);
1463
1464     } while( msg.message != WM_LBUTTONUP && msg.message != WM_NCLBUTTONUP );
1465
1466     ReleaseCapture();
1467     ShowCursor( FALSE );
1468
1469     if( hCursor ) SetCursor(hOldCursor);
1470
1471     if( hCurrentCursor != hBummer )
1472         msg.lParam = SendMessage16( lpDragInfo->hScope, WM_DROPOBJECT,
1473                                    (WPARAM16)hWnd, (LPARAM)spDragInfo );
1474     else
1475         msg.lParam = 0;
1476     GlobalFree16(hDragInfo);
1477
1478     return (DWORD)(msg.lParam);
1479 }
1480
1481
1482 /***********************************************************************
1483  *              DrawFocusRect (USER.466)
1484  */
1485 void WINAPI DrawFocusRect16( HDC16 hdc, const RECT16* rc )
1486 {
1487     RECT rect32;
1488
1489     rect32.left   = rc->left;
1490     rect32.top    = rc->top;
1491     rect32.right  = rc->right;
1492     rect32.bottom = rc->bottom;
1493     DrawFocusRect( HDC_32(hdc), &rect32 );
1494 }
1495
1496
1497 /***********************************************************************
1498  *           AnsiNext   (USER.472)
1499  */
1500 SEGPTR WINAPI AnsiNext16(SEGPTR current)
1501 {
1502     char *ptr = MapSL(current);
1503     return current + (CharNextA(ptr) - ptr);
1504 }
1505
1506
1507 /***********************************************************************
1508  *           AnsiPrev   (USER.473)
1509  */
1510 SEGPTR WINAPI AnsiPrev16( LPCSTR start, SEGPTR current )
1511 {
1512     char *ptr = MapSL(current);
1513     return current - (ptr - CharPrevA( start, ptr ));
1514 }
1515
1516
1517 /***********************************************************************
1518  *           FormatMessage   (USER.606)
1519  */
1520 DWORD WINAPI FormatMessage16(
1521     DWORD   dwFlags,
1522     SEGPTR lpSource,     /* [in] NOTE: not always a valid pointer */
1523     WORD   dwMessageId,
1524     WORD   dwLanguageId,
1525     LPSTR  lpBuffer,     /* [out] NOTE: *((HLOCAL16*)) for FORMAT_MESSAGE_ALLOCATE_BUFFER*/
1526     WORD   nSize,
1527     LPDWORD args )       /* [in] NOTE: va_list *args */
1528 {
1529 #ifdef __i386__
1530 /* This implementation is completely dependent on the format of the va_list on x86 CPUs */
1531     LPSTR       target,t;
1532     DWORD       talloced;
1533     LPSTR       from,f;
1534     DWORD       width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
1535     BOOL        eos = FALSE;
1536     LPSTR       allocstring = NULL;
1537
1538     TRACE("(0x%lx,%lx,%d,0x%x,%p,%d,%p)\n",
1539           dwFlags,lpSource,dwMessageId,dwLanguageId,lpBuffer,nSize,args);
1540         if ((dwFlags & FORMAT_MESSAGE_FROM_SYSTEM)
1541                 && (dwFlags & FORMAT_MESSAGE_FROM_HMODULE)) return 0;
1542         if ((dwFlags & FORMAT_MESSAGE_FROM_STRING)
1543                 &&((dwFlags & FORMAT_MESSAGE_FROM_SYSTEM)
1544                         || (dwFlags & FORMAT_MESSAGE_FROM_HMODULE))) return 0;
1545
1546     if (width && width != FORMAT_MESSAGE_MAX_WIDTH_MASK)
1547         FIXME("line wrapping (%lu) not supported.\n", width);
1548     from = NULL;
1549     if (dwFlags & FORMAT_MESSAGE_FROM_STRING)
1550     {
1551         char *source = MapSL(lpSource);
1552         from = HeapAlloc( GetProcessHeap(), 0, strlen(source)+1 );
1553         strcpy( from, source );
1554     }
1555     else if (dwFlags & FORMAT_MESSAGE_FROM_SYSTEM) {
1556         from = HeapAlloc( GetProcessHeap(),0,200 );
1557         sprintf(from,"Systemmessage, messageid = 0x%08x\n",dwMessageId);
1558     }
1559     else if (dwFlags & FORMAT_MESSAGE_FROM_HMODULE) {
1560         INT16   bufsize;
1561         HINSTANCE16 hinst16 = ((HINSTANCE16)lpSource & 0xffff);
1562
1563         dwMessageId &= 0xFFFF;
1564         bufsize=LoadString16(hinst16,dwMessageId,NULL,0);
1565         if (bufsize) {
1566             from = HeapAlloc( GetProcessHeap(), 0, bufsize +1);
1567             LoadString16(hinst16,dwMessageId,from,bufsize+1);
1568         }
1569     }
1570     target      = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100);
1571     t   = target;
1572     talloced= 100;
1573
1574 #define ADD_TO_T(c) \
1575         *t++=c;\
1576         if (t-target == talloced) {\
1577                 target  = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
1578                 t       = target+talloced;\
1579                 talloced*=2;\
1580         }
1581
1582     if (from) {
1583         f=from;
1584         while (*f && !eos) {
1585             if (*f=='%') {
1586                 int     insertnr;
1587                 char    *fmtstr,*x,*lastf;
1588                 DWORD   *argliststart;
1589
1590                 fmtstr = NULL;
1591                 lastf = f;
1592                 f++;
1593                 if (!*f) {
1594                     ADD_TO_T('%');
1595                     continue;
1596                 }
1597                 switch (*f) {
1598                 case '1':case '2':case '3':case '4':case '5':
1599                 case '6':case '7':case '8':case '9':
1600                     insertnr=*f-'0';
1601                     switch (f[1]) {
1602                     case '0':case '1':case '2':case '3':
1603                     case '4':case '5':case '6':case '7':
1604                     case '8':case '9':
1605                         f++;
1606                         insertnr=insertnr*10+*f-'0';
1607                         f++;
1608                         break;
1609                     default:
1610                         f++;
1611                         break;
1612                     }
1613                     if (*f=='!') {
1614                         f++;
1615                         if (NULL!=(x=strchr(f,'!'))) {
1616                             *x='\0';
1617                             fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f)+2);
1618                             sprintf(fmtstr,"%%%s",f);
1619                             f=x+1;
1620                         } else {
1621                             fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f)+2);
1622                             sprintf(fmtstr,"%%%s",f);
1623                             f+=strlen(f); /*at \0*/
1624                         }
1625                     }
1626                     else
1627                     {
1628                         if(!args) break;
1629                         fmtstr=HeapAlloc( GetProcessHeap(), 0, 3 );
1630                         strcpy( fmtstr, "%s" );
1631                     }
1632                     if (args) {
1633                         int     ret;
1634                         int     sz;
1635                         LPSTR   b = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sz = 100);
1636
1637                         argliststart=args+insertnr-1;
1638
1639                         /* CMF - This makes a BIG assumption about va_list */
1640                         while ((ret = vsnprintf(b, sz, fmtstr, (va_list) argliststart) < 0) || (ret >= sz)) {
1641                             sz = (ret == -1 ? sz + 100 : ret + 1);
1642                             b = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, b, sz);
1643                         }
1644                         for (x=b; *x; x++) ADD_TO_T(*x);
1645                         HeapFree(GetProcessHeap(), 0, b);
1646                     } else {
1647                         /* NULL args - copy formatstr
1648                          * (probably wrong)
1649                          */
1650                         while ((lastf<f)&&(*lastf)) {
1651                             ADD_TO_T(*lastf++);
1652                         }
1653                     }
1654                     HeapFree(GetProcessHeap(),0,fmtstr);
1655                     break;
1656                 case '0': /* Just stop processing format string */
1657                     eos = TRUE;
1658                     f++;
1659                     break;
1660                 case 'n': /* 16 bit version just outputs 'n' */
1661                 default:
1662                     ADD_TO_T(*f++);
1663                     break;
1664                 }
1665             } else { /* '\n' or '\r' gets mapped to "\r\n" */
1666                 if(*f == '\n' || *f == '\r') {
1667                     if (width == 0) {
1668                         ADD_TO_T('\r');
1669                         ADD_TO_T('\n');
1670                         if(*f++ == '\r' && *f == '\n')
1671                             f++;
1672                     }
1673                 } else {
1674                     ADD_TO_T(*f++);
1675                 }
1676             }
1677         }
1678         *t='\0';
1679     }
1680     talloced = strlen(target)+1;
1681     if (nSize && talloced<nSize) {
1682         target = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
1683     }
1684     TRACE("-- %s\n",debugstr_a(target));
1685     if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
1686         /* nSize is the MINIMUM size */
1687         HLOCAL16 h = LocalAlloc16(LPTR,talloced);
1688         SEGPTR ptr = LocalLock16(h);
1689         allocstring = MapSL( ptr );
1690         memcpy( allocstring,target,talloced);
1691         LocalUnlock16( h );
1692         *((HLOCAL16*)lpBuffer) = h;
1693     } else
1694         lstrcpynA(lpBuffer,target,nSize);
1695     HeapFree(GetProcessHeap(),0,target);
1696     HeapFree(GetProcessHeap(),0,from);
1697     return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
1698         strlen(allocstring):
1699         strlen(lpBuffer);
1700 #else
1701         return 0;
1702 #endif /* __i386__ */
1703 }
1704 #undef ADD_TO_T
1705
1706
1707 /***********************************************************************
1708  *              ChangeDisplaySettings (USER.620)
1709  */
1710 LONG WINAPI ChangeDisplaySettings16( LPDEVMODEA devmode, DWORD flags )
1711 {
1712     return ChangeDisplaySettingsA( devmode, flags );
1713 }
1714
1715
1716 /***********************************************************************
1717  *              EnumDisplaySettings (USER.621)
1718  */
1719 BOOL16 WINAPI EnumDisplaySettings16( LPCSTR name, DWORD n, LPDEVMODEA devmode )
1720 {
1721     return EnumDisplaySettingsA( name, n, devmode );
1722 }
1723
1724 /**********************************************************************
1725  *          DrawFrameControl  (USER.656)
1726  */
1727 BOOL16 WINAPI DrawFrameControl16( HDC16 hdc, LPRECT16 rc, UINT16 uType, UINT16 uState )
1728 {
1729     RECT rect32;
1730     BOOL ret;
1731
1732     rect32.left   = rc->left;
1733     rect32.top    = rc->top;
1734     rect32.right  = rc->right;
1735     rect32.bottom = rc->bottom;
1736     ret = DrawFrameControl( HDC_32(hdc), &rect32, uType, uState );
1737     rc->left   = rect32.left;
1738     rc->top    = rect32.top;
1739     rc->right  = rect32.right;
1740     rc->bottom = rect32.bottom;
1741     return ret;
1742 }
1743
1744 /**********************************************************************
1745  *          DrawEdge   (USER.659)
1746  */
1747 BOOL16 WINAPI DrawEdge16( HDC16 hdc, LPRECT16 rc, UINT16 edge, UINT16 flags )
1748 {
1749     RECT rect32;
1750     BOOL ret;
1751
1752     rect32.left   = rc->left;
1753     rect32.top    = rc->top;
1754     rect32.right  = rc->right;
1755     rect32.bottom = rc->bottom;
1756     ret = DrawEdge( HDC_32(hdc), &rect32, edge, flags );
1757     rc->left   = rect32.left;
1758     rc->top    = rect32.top;
1759     rc->right  = rect32.right;
1760     rc->bottom = rect32.bottom;
1761     return ret;
1762 }
1763
1764 /**********************************************************************
1765  *              CheckMenuRadioItem (USER.666)
1766  */
1767 BOOL16 WINAPI CheckMenuRadioItem16(HMENU16 hMenu, UINT16 first, UINT16 last,
1768                                    UINT16 check, BOOL16 bypos)
1769 {
1770      return CheckMenuRadioItem( HMENU_32(hMenu), first, last, check, bypos );
1771 }