windows/dialog.c

   1 /*
   2  * Dialog functions
   3  *
   4  * Copyright 1993, 1994, 1996 Alexandre Julliard
   5  */
   6
   7 #include <ctype.h>
   8 #include <errno.h>
   9 #include <limits.h>
  10 #include <stdlib.h>
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include "windef.h"
  14 #include "wingdi.h"
  15 #include "winuser.h"
  16 #include "windowsx.h"
  17 #include "wine/winuser16.h"
  18 #include "wine/winbase16.h"
  19 #include "wine/unicode.h"
  20 #include "dialog.h"
  21 #include "drive.h"
  22 #include "heap.h"
  23 #include "win.h"
  24 #include "ldt.h"
  25 #include "user.h"
  26 #include "winproc.h"
  27 #include "message.h"
  28 #include "queue.h"
  29 #include "debugtools.h"
  30
  31 DEFAULT_DEBUG_CHANNEL(dialog);
  32
  33
  34   /* Dialog control information */
  35 typedef struct
  36 {
  37     DWORD      style;
  38     DWORD      exStyle;
  39     DWORD      helpId;
  40     INT16      x;
  41     INT16      y;
  42     INT16      cx;
  43     INT16      cy;
  44     UINT     id;
  45     LPCSTR     className;
  46     LPCSTR     windowName;
  47     LPVOID     data;
  48 } DLG_CONTROL_INFO;
  49
  50   /* Dialog template */
  51 typedef struct
  52 {
  53     DWORD      style;
  54     DWORD      exStyle;
  55     DWORD      helpId;
  56     UINT16     nbItems;
  57     INT16      x;
  58     INT16      y;
  59     INT16      cx;
  60     INT16      cy;
  61     LPCSTR     menuName;
  62     LPCSTR     className;
  63     LPCSTR     caption;
  64     WORD       pointSize;
  65     WORD       weight;
  66     BOOL     italic;
  67     LPCSTR     faceName;
  68     BOOL     dialogEx;
  69 } DLG_TEMPLATE;
  70
  71   /* Radio button group */
  72 typedef struct
  73 {
  74     UINT firstID;
  75     UINT lastID;
  76     UINT checkID;
  77 } RADIOGROUP;
  78
  79   /* Dialog base units */
  80 static WORD xBaseUnit = 0, yBaseUnit = 0;
  81
  82 /***********************************************************************
  83  *           DIALOG_GetCharSizeFromDC
  84  *
  85  *
  86  *  Calculates the *true* average size of English characters in the
  87  *  specified font as oppposed to the one returned by GetTextMetrics.
  88  *
  89  *  Latest: the X font driver will now compute a proper average width
  90  *  so this code can be removed
  91  */
  92 static BOOL DIALOG_GetCharSizeFromDC( HDC hDC, HFONT hFont, SIZE * pSize )
  93 {
  94     BOOL Success = FALSE;
  95     HFONT hFontPrev = 0;
  96     pSize->cx = xBaseUnit;
  97     pSize->cy = yBaseUnit;
  98     if ( hDC )
  99     {
 100         /* select the font */
 101         TEXTMETRICA tm;
 102         memset(&tm,0,sizeof(tm));
 103         if (hFont) hFontPrev = SelectFont(hDC,hFont);
 104         if (GetTextMetricsA(hDC,&tm))
 105         {
 106             pSize->cx = tm.tmAveCharWidth;
 107             pSize->cy = tm.tmHeight;
 108
 109             /* if variable width font */
 110             if (tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
 111             {
 112                 SIZE total;
 113                 const char* szAvgChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
 114
 115                 /* Calculate a true average as opposed to the one returned
 116                  * by tmAveCharWidth. This works better when dealing with
 117                  * proportional spaced fonts and (more important) that's
 118                  * how Microsoft's dialog creation code calculates the size
 119                  * of the font
 120                  */
 121                 if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
 122                 {
 123                    /* round up */
 124                     pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
 125                     Success = TRUE;
 126                 }
 127             }
 128             else
 129             {
 130                 Success = TRUE;
 131             }
 132             /* Use the text metrics */
 133             TRACE("Using tm: %ldx%ld (dlg: %dx%d) (%s)\n", tm.tmAveCharWidth, tm.tmHeight, pSize->cx, pSize->cy,
 134                   tm.tmPitchAndFamily & TMPF_FIXED_PITCH ? "variable" : "fixed");
 135             pSize->cx = tm.tmAveCharWidth;
 136             pSize->cy = tm.tmHeight;
 137         }
 138         /* select the original font */
 139         if (hFontPrev) SelectFont(hDC,hFontPrev);
 140     }
 141     return (Success);
 142 }
 143
 144 /***********************************************************************
 145  *           DIALOG_GetCharSize
 146  *
 147  *  A convenient variant of DIALOG_GetCharSizeFromDC.
 148  */
 149 static BOOL DIALOG_GetCharSize( HFONT hFont, SIZE * pSize )
 150 {
 151     HDC  hDC = GetDC(0);
 152     BOOL Success = DIALOG_GetCharSizeFromDC( hDC, hFont, pSize );
 153     ReleaseDC(0, hDC);
 154     return Success;
 155 }
 156
 157 /***********************************************************************
 158  *           DIALOG_Init
 159  *
 160  * Initialisation of the dialog manager.
 161  */
 162 BOOL DIALOG_Init(void)
 163 {
 164     HDC hdc;
 165     SIZE size;
 166
 167       /* Calculate the dialog base units */
 168
 169     if (!(hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ))) return FALSE;
 170     if (!DIALOG_GetCharSizeFromDC( hdc, 0, &size )) return FALSE;
 171     DeleteDC( hdc );
 172     xBaseUnit = size.cx;
 173     yBaseUnit = size.cy;
 174
 175     TRACE("base units = %d,%d\n", xBaseUnit, yBaseUnit );
 176     return TRUE;
 177 }
 178
 179
 180 /***********************************************************************
 181  *           DIALOG_GetControl16
 182  *
 183  * Return the class and text of the control pointed to by ptr,
 184  * fill the header structure and return a pointer to the next control.
 185  */
 186 static LPCSTR DIALOG_GetControl16( LPCSTR p, DLG_CONTROL_INFO *info )
 187 {
 188     static char buffer[10];
 189     int int_id;
 190
 191     info->x       = GET_WORD(p);  p += sizeof(WORD);
 192     info->y       = GET_WORD(p);  p += sizeof(WORD);
 193     info->cx      = GET_WORD(p);  p += sizeof(WORD);
 194     info->cy      = GET_WORD(p);  p += sizeof(WORD);
 195     info->id      = GET_WORD(p);  p += sizeof(WORD);
 196     info->style   = GET_DWORD(p); p += sizeof(DWORD);
 197     info->exStyle = 0;
 198
 199     if (*p & 0x80)
 200     {
 201         switch((BYTE)*p)
 202         {
 203             case 0x80: strcpy( buffer, "BUTTON" ); break;
 204             case 0x81: strcpy( buffer, "EDIT" ); break;
 205             case 0x82: strcpy( buffer, "STATIC" ); break;
 206             case 0x83: strcpy( buffer, "LISTBOX" ); break;
 207             case 0x84: strcpy( buffer, "SCROLLBAR" ); break;
 208             case 0x85: strcpy( buffer, "COMBOBOX" ); break;
 209             default:   buffer[0] = '\0'; break;
 210         }
 211         info->className = buffer;
 212         p++;
 213     }
 214     else
 215     {
 216         info->className = p;
 217         p += strlen(p) + 1;
 218     }
 219
 220     int_id = ((BYTE)*p == 0xff);
 221     if (int_id)
 222     {
 223           /* Integer id, not documented (?). Only works for SS_ICON controls */
 224         info->windowName = (LPCSTR)(UINT)GET_WORD(p+1);
 225         p += 3;
 226     }
 227     else
 228     {
 229         info->windowName = p;
 230         p += strlen(p) + 1;
 231     }
 232
 233     if (*p)
 234     {
 235         /* Additional CTLDATA available for this control. */
 236         info->data = SEGPTR_ALLOC(*p);
 237         memcpy( info->data, p + 1, *p );
 238     }
 239     else info->data = NULL;
 240
 241     p += *p + 1;
 242
 243     if(int_id)
 244       TRACE("   %s %04x %d, %d, %d, %d, %d, %08lx, %08lx\n",
 245                       info->className,  LOWORD(info->windowName),
 246                       info->id, info->x, info->y, info->cx, info->cy,
 247                       info->style, (DWORD)SEGPTR_GET(info->data) );
 248     else
 249       TRACE("   %s '%s' %d, %d, %d, %d, %d, %08lx, %08lx\n",
 250                       info->className,  info->windowName,
 251                       info->id, info->x, info->y, info->cx, info->cy,
 252                       info->style, (DWORD)SEGPTR_GET(info->data) );
 253
 254     return p;
 255 }
 256
 257
 258 /***********************************************************************
 259  *           DIALOG_GetControl32
 260  *
 261  * Return the class and text of the control pointed to by ptr,
 262  * fill the header structure and return a pointer to the next control.
 263  */
 264 static const WORD *DIALOG_GetControl32( const WORD *p, DLG_CONTROL_INFO *info,
 265                                         BOOL dialogEx )
 266 {
 267     if (dialogEx)
 268     {
 269         info->helpId  = GET_DWORD(p); p += 2;
 270         info->exStyle = GET_DWORD(p); p += 2;
 271         info->style   = GET_DWORD(p); p += 2;
 272     }
 273     else
 274     {
 275         info->helpId  = 0;
 276         info->style   = GET_DWORD(p); p += 2;
 277         info->exStyle = GET_DWORD(p); p += 2;
 278     }
 279     info->x       = GET_WORD(p); p++;
 280     info->y       = GET_WORD(p); p++;
 281     info->cx      = GET_WORD(p); p++;
 282     info->cy      = GET_WORD(p); p++;
 283
 284     if (dialogEx)
 285     {
 286         /* id is a DWORD for DIALOGEX */
 287         info->id = GET_DWORD(p);
 288         p += 2;
 289     }
 290     else
 291     {
 292         info->id = GET_WORD(p);
 293         p++;
 294     }
 295
 296     if (GET_WORD(p) == 0xffff)
 297     {
 298         static const WCHAR class_names[6][10] =
 299         {
 300             { 'B','u','t','t','o','n', },             /* 0x80 */
 301             { 'E','d','i','t', },                     /* 0x81 */
 302             { 'S','t','a','t','i','c', },             /* 0x82 */
 303             { 'L','i','s','t','B','o','x', },         /* 0x83 */
 304             { 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
 305             { 'C','o','m','b','o','B','o','x', }      /* 0x85 */
 306         };
 307         WORD id = GET_WORD(p+1);
 308         if ((id >= 0x80) && (id <= 0x85))
 309             info->className = (LPCSTR)class_names[id - 0x80];
 310         else
 311         {
 312             info->className = NULL;
 313             ERR("Unknown built-in class id %04x\n", id );
 314         }
 315         p += 2;
 316     }
 317     else
 318     {
 319         info->className = (LPCSTR)p;
 320         p += strlenW( (LPCWSTR)p ) + 1;
 321     }
 322
 323     if (GET_WORD(p) == 0xffff)  /* Is it an integer id? */
 324     {
 325         info->windowName = (LPCSTR)(UINT)GET_WORD(p + 1);
 326         p += 2;
 327     }
 328     else
 329     {
 330         info->windowName = (LPCSTR)p;
 331         p += strlenW( (LPCWSTR)p ) + 1;
 332     }
 333
 334     TRACE("    %s %s %d, %d, %d, %d, %d, %08lx, %08lx, %08lx\n",
 335           debugstr_w( (LPCWSTR)info->className ),
 336           debugres_w( (LPCWSTR)info->windowName ),
 337           info->id, info->x, info->y, info->cx, info->cy,
 338           info->style, info->exStyle, info->helpId );
 339
 340     if (GET_WORD(p))
 341     {
 342         if (TRACE_ON(dialog))
 343         {
 344             WORD i, count = GET_WORD(p) / sizeof(WORD);
 345             TRACE("  BEGIN\n");
 346             TRACE("    ");
 347             for (i = 0; i < count; i++) DPRINTF( "%04x,", GET_WORD(p+i+1) );
 348             DPRINTF("\n");
 349             TRACE("  END\n" );
 350         }
 351         info->data = (LPVOID)(p + 1);
 352         p += GET_WORD(p) / sizeof(WORD);
 353     }
 354     else info->data = NULL;
 355     p++;
 356
 357     /* Next control is on dword boundary */
 358     return (const WORD *)((((int)p) + 3) & ~3);
 359 }
 360
 361
 362 /***********************************************************************
 363  *           DIALOG_CreateControls
 364  *
 365  * Create the control windows for a dialog.
 366  */
 367 static BOOL DIALOG_CreateControls( WND *pWnd, LPCSTR template,
 368                                      const DLG_TEMPLATE *dlgTemplate,
 369                                      HINSTANCE hInst, BOOL win32 )
 370 {
 371     DIALOGINFO *dlgInfo = (DIALOGINFO *)pWnd->wExtra;
 372     DLG_CONTROL_INFO info;
 373     HWND hwndCtrl, hwndDefButton = 0;
 374     INT items = dlgTemplate->nbItems;
 375
 376     TRACE(" BEGIN\n" );
 377     while (items--)
 378     {
 379         if (!win32)
 380         {
 381             HINSTANCE16 instance;
 382             template = DIALOG_GetControl16( template, &info );
 383             if (HIWORD(info.className) && !strcmp( info.className, "EDIT") &&
 384                 ((pWnd->dwStyle & DS_LOCALEDIT) != DS_LOCALEDIT))
 385             {
 386                 if (!dlgInfo->hDialogHeap)
 387                 {
 388                     dlgInfo->hDialogHeap = GlobalAlloc16(GMEM_FIXED, 0x10000);
 389                     if (!dlgInfo->hDialogHeap)
 390                     {
 391                         ERR("Insufficient memory to create heap for edit control\n" );
 392                         continue;
 393                     }
 394                     LocalInit16(dlgInfo->hDialogHeap, 0, 0xffff);
 395                 }
 396                 instance = dlgInfo->hDialogHeap;
 397             }
 398             else instance = (HINSTANCE16)hInst;
 399
 400             hwndCtrl = CreateWindowEx16( info.exStyle | WS_EX_NOPARENTNOTIFY,
 401                                          info.className, info.windowName,
 402                                          info.style | WS_CHILD,
 403                                          MulDiv(info.x, dlgInfo->xBaseUnit, 4),
 404                                          MulDiv(info.y, dlgInfo->yBaseUnit, 8),
 405                                          MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
 406                                          MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
 407                                          pWnd->hwndSelf, (HMENU16)info.id,
 408                                          instance, (LPVOID)SEGPTR_GET(info.data) );
 409
 410             if (info.data) SEGPTR_FREE(info.data);
 411         }
 412         else
 413         {
 414             template = (LPCSTR)DIALOG_GetControl32( (WORD *)template, &info,
 415                                                     dlgTemplate->dialogEx );
 416             hwndCtrl = CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
 417                                           (LPCWSTR)info.className,
 418                                           (LPCWSTR)info.windowName,
 419                                           info.style | WS_CHILD,
 420                                           MulDiv(info.x, dlgInfo->xBaseUnit, 4),
 421                                           MulDiv(info.y, dlgInfo->yBaseUnit, 8),
 422                                           MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
 423                                           MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
 424                                           pWnd->hwndSelf, (HMENU)info.id,
 425                                           hInst, info.data );
 426         }
 427         if (!hwndCtrl) return FALSE;
 428
 429             /* Send initialisation messages to the control */
 430         if (dlgInfo->hUserFont) SendMessageA( hwndCtrl, WM_SETFONT,
 431                                              (WPARAM)dlgInfo->hUserFont, 0 );
 432         if (SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
 433         {
 434               /* If there's already a default push-button, set it back */
 435               /* to normal and use this one instead. */
 436             if (hwndDefButton)
 437                 SendMessageA( hwndDefButton, BM_SETSTYLE,
 438                                 BS_PUSHBUTTON,FALSE );
 439             hwndDefButton = hwndCtrl;
 440             dlgInfo->idResult = GetWindowWord( hwndCtrl, GWW_ID );
 441         }
 442     }
 443     TRACE(" END\n" );
 444     return TRUE;
 445 }
 446
 447
 448 /***********************************************************************
 449  *           DIALOG_ParseTemplate16
 450  *
 451  * Fill a DLG_TEMPLATE structure from the dialog template, and return
 452  * a pointer to the first control.
 453  */
 454 static LPCSTR DIALOG_ParseTemplate16( LPCSTR p, DLG_TEMPLATE * result )
 455 {
 456     result->style   = GET_DWORD(p); p += sizeof(DWORD);
 457     result->exStyle = 0;
 458     result->nbItems = (unsigned char) *p++;
 459     result->x       = GET_WORD(p);  p += sizeof(WORD);
 460     result->y       = GET_WORD(p);  p += sizeof(WORD);
 461     result->cx      = GET_WORD(p);  p += sizeof(WORD);
 462     result->cy      = GET_WORD(p);  p += sizeof(WORD);
 463     TRACE("DIALOG %d, %d, %d, %d\n",
 464                     result->x, result->y, result->cx, result->cy );
 465     TRACE(" STYLE %08lx\n", result->style );
 466
 467     /* Get the menu name */
 468
 469     switch( (BYTE)*p )
 470     {
 471     case 0:
 472         result->menuName = 0;
 473         p++;
 474         break;
 475     case 0xff:
 476         result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
 477         p += 3;
 478         TRACE(" MENU %04x\n", LOWORD(result->menuName) );
 479         break;
 480     default:
 481         result->menuName = p;
 482         TRACE(" MENU '%s'\n", p );
 483         p += strlen(p) + 1;
 484         break;
 485     }
 486
 487     /* Get the class name */
 488
 489     if (*p)
 490     {
 491         result->className = p;
 492         TRACE(" CLASS '%s'\n", result->className );
 493     }
 494     else result->className = DIALOG_CLASS_ATOM;
 495     p += strlen(p) + 1;
 496
 497     /* Get the window caption */
 498
 499     result->caption = p;
 500     p += strlen(p) + 1;
 501     TRACE(" CAPTION '%s'\n", result->caption );
 502
 503     /* Get the font name */
 504
 505     if (result->style & DS_SETFONT)
 506     {
 507         result->pointSize = GET_WORD(p);
 508         p += sizeof(WORD);
 509         result->faceName = p;
 510         p += strlen(p) + 1;
 511         TRACE(" FONT %d,'%s'\n",
 512                         result->pointSize, result->faceName );
 513     }
 514     return p;
 515 }
 516
 517
 518 /***********************************************************************
 519  *           DIALOG_ParseTemplate32
 520  *
 521  * Fill a DLG_TEMPLATE structure from the dialog template, and return
 522  * a pointer to the first control.
 523  */
 524 static LPCSTR DIALOG_ParseTemplate32( LPCSTR template, DLG_TEMPLATE * result )
 525 {
 526     const WORD *p = (const WORD *)template;
 527
 528     result->style = GET_DWORD(p); p += 2;
 529     if (result->style == 0xffff0001)  /* DIALOGEX resource */
 530     {
 531         result->dialogEx = TRUE;
 532         result->helpId   = GET_DWORD(p); p += 2;
 533         result->exStyle  = GET_DWORD(p); p += 2;
 534         result->style    = GET_DWORD(p); p += 2;
 535     }
 536     else
 537     {
 538         result->dialogEx = FALSE;
 539         result->helpId   = 0;
 540         result->exStyle  = GET_DWORD(p); p += 2;
 541     }
 542     result->nbItems = GET_WORD(p); p++;
 543     result->x       = GET_WORD(p); p++;
 544     result->y       = GET_WORD(p); p++;
 545     result->cx      = GET_WORD(p); p++;
 546     result->cy      = GET_WORD(p); p++;
 547     TRACE("DIALOG%s %d, %d, %d, %d, %ld\n",
 548            result->dialogEx ? "EX" : "", result->x, result->y,
 549            result->cx, result->cy, result->helpId );
 550     TRACE(" STYLE 0x%08lx\n", result->style );
 551     TRACE(" EXSTYLE 0x%08lx\n", result->exStyle );
 552
 553     /* Get the menu name */
 554
 555     switch(GET_WORD(p))
 556     {
 557     case 0x0000:
 558         result->menuName = NULL;
 559         p++;
 560         break;
 561     case 0xffff:
 562         result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
 563         p += 2;
 564         TRACE(" MENU %04x\n", LOWORD(result->menuName) );
 565         break;
 566     default:
 567         result->menuName = (LPCSTR)p;
 568         TRACE(" MENU %s\n", debugstr_w( (LPCWSTR)p ));
 569         p += strlenW( (LPCWSTR)p ) + 1;
 570         break;
 571     }
 572
 573     /* Get the class name */
 574
 575     switch(GET_WORD(p))
 576     {
 577     case 0x0000:
 578         result->className = DIALOG_CLASS_ATOM;
 579         p++;
 580         break;
 581     case 0xffff:
 582         result->className = (LPCSTR)(UINT)GET_WORD( p + 1 );
 583         p += 2;
 584         TRACE(" CLASS %04x\n", LOWORD(result->className) );
 585         break;
 586     default:
 587         result->className = (LPCSTR)p;
 588         TRACE(" CLASS %s\n", debugstr_w( (LPCWSTR)p ));
 589         p += strlenW( (LPCWSTR)p ) + 1;
 590         break;
 591     }
 592
 593     /* Get the window caption */
 594
 595     result->caption = (LPCSTR)p;
 596     p += strlenW( (LPCWSTR)p ) + 1;
 597     TRACE(" CAPTION %s\n", debugstr_w( (LPCWSTR)result->caption ) );
 598
 599     /* Get the font name */
 600
 601     if (result->style & DS_SETFONT)
 602     {
 603         result->pointSize = GET_WORD(p);
 604         p++;
 605         if (result->dialogEx)
 606         {
 607             result->weight = GET_WORD(p); p++;
 608             result->italic = LOBYTE(GET_WORD(p)); p++;
 609         }
 610         else
 611         {
 612             result->weight = FW_DONTCARE;
 613             result->italic = FALSE;
 614         }
 615         result->faceName = (LPCSTR)p;
 616         p += strlenW( (LPCWSTR)p ) + 1;
 617         TRACE(" FONT %d, %s, %d, %s\n",
 618               result->pointSize, debugstr_w( (LPCWSTR)result->faceName ),
 619               result->weight, result->italic ? "TRUE" : "FALSE" );
 620     }
 621
 622     /* First control is on dword boundary */
 623     return (LPCSTR)((((int)p) + 3) & ~3);
 624 }
 625
 626
 627 /***********************************************************************
 628  *           DIALOG_CreateIndirect
 629  */
 630 HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCSTR dlgTemplate,
 631                               BOOL win32Template, HWND owner,
 632                               DLGPROC16 dlgProc, LPARAM param,
 633                               WINDOWPROCTYPE procType )
 634 {
 635     HMENU16 hMenu = 0;
 636     HFONT16 hFont = 0;
 637     HWND hwnd;
 638     RECT rect;
 639     WND * wndPtr;
 640     DLG_TEMPLATE template;
 641     DIALOGINFO * dlgInfo;
 642     WORD xUnit = xBaseUnit;
 643     WORD yUnit = yBaseUnit;
 644
 645       /* Parse dialog template */
 646
 647     if (!dlgTemplate) return 0;
 648     if (win32Template)
 649         dlgTemplate = DIALOG_ParseTemplate32( dlgTemplate, &template );
 650     else
 651         dlgTemplate = DIALOG_ParseTemplate16( dlgTemplate, &template );
 652
 653       /* Load menu */
 654
 655     if (template.menuName)
 656     {
 657         if (!win32Template)
 658         {
 659             LPSTR str = SEGPTR_STRDUP( template.menuName );
 660             hMenu = LoadMenu16( hInst, SEGPTR_GET(str) );
 661             SEGPTR_FREE( str );
 662         }
 663         else hMenu = LoadMenuW( hInst, (LPCWSTR)template.menuName );
 664     }
 665
 666       /* Create custom font if needed */
 667
 668     if (template.style & DS_SETFONT)
 669     {
 670           /* The font height must be negative as it is a point size */
 671           /* and must be converted to pixels first */
 672           /* (see CreateFont() documentation in the Windows SDK).   */
 673         HDC dc = GetDC(0);
 674         int pixels = template.pointSize * GetDeviceCaps(dc , LOGPIXELSY)/72;
 675         ReleaseDC(0, dc);
 676
 677         if (win32Template)
 678             hFont = CreateFontW( -pixels, 0, 0, 0, template.weight,
 679                                  template.italic, FALSE, FALSE,
 680                                  DEFAULT_CHARSET, 0, 0,
 681                                  PROOF_QUALITY, FF_DONTCARE,
 682                                  (LPCWSTR)template.faceName );
 683         else
 684             hFont = CreateFontA( -pixels, 0, 0, 0, FW_DONTCARE,
 685                                  FALSE, FALSE, FALSE,
 686                                  DEFAULT_CHARSET, 0, 0,
 687                                  PROOF_QUALITY, FF_DONTCARE,
 688                                  template.faceName );
 689         if (hFont)
 690         {
 691             SIZE charSize;
 692             if (DIALOG_GetCharSize(hFont,&charSize))
 693             {
 694                 xUnit = charSize.cx;
 695                 yUnit = charSize.cy;
 696             }
 697         }
 698         TRACE("units = %d,%d\n", xUnit, yUnit );
 699     }
 700
 701     /* Create dialog main window */
 702
 703     rect.left = rect.top = 0;
 704     rect.right = MulDiv(template.cx, xUnit, 4);
 705     rect.bottom =  MulDiv(template.cy, yUnit, 8);
 706     if (template.style & DS_MODALFRAME)
 707         template.exStyle |= WS_EX_DLGMODALFRAME;
 708     AdjustWindowRectEx( &rect, template.style,
 709                           hMenu ? TRUE : FALSE , template.exStyle );
 710     rect.right -= rect.left;
 711     rect.bottom -= rect.top;
 712
 713     if ((INT16)template.x == CW_USEDEFAULT16)
 714     {
 715         rect.left = rect.top = win32Template? CW_USEDEFAULT : CW_USEDEFAULT16;
 716     }
 717     else
 718     {
 719         if (template.style & DS_CENTER)
 720         {
 721             rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
 722             rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
 723         }
 724         else
 725         {
 726             rect.left += MulDiv(template.x, xUnit, 4);
 727             rect.top += MulDiv(template.y, yUnit, 8);
 728         }
 729         if ( !(template.style & WS_CHILD) )
 730         {
 731             INT16 dX, dY;
 732
 733             if( !(template.style & DS_ABSALIGN) )
 734                 ClientToScreen( owner, (POINT *)&rect );
 735
 736             /* try to fit it into the desktop */
 737
 738             if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
 739                  - GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
 740             if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
 741                  - GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
 742             if( rect.left < 0 ) rect.left = 0;
 743             if( rect.top < 0 ) rect.top = 0;
 744         }
 745     }
 746
 747     if (!win32Template)
 748         hwnd = CreateWindowEx16(template.exStyle, template.className,
 749                                 template.caption, template.style & ~WS_VISIBLE,
 750                                 rect.left, rect.top, rect.right, rect.bottom,
 751                                 owner, hMenu, hInst, NULL );
 752     else
 753         hwnd = CreateWindowExW(template.exStyle, (LPCWSTR)template.className,
 754                                  (LPCWSTR)template.caption,
 755                                  template.style & ~WS_VISIBLE,
 756                                  rect.left, rect.top, rect.right, rect.bottom,
 757                                  owner, hMenu, hInst, NULL );
 758
 759     if (!hwnd)
 760     {
 761         if (hFont) DeleteObject( hFont );
 762         if (hMenu) DestroyMenu( hMenu );
 763         return 0;
 764     }
 765     wndPtr = WIN_FindWndPtr( hwnd );
 766     wndPtr->flags |= WIN_ISDIALOG;
 767     wndPtr->helpContext = template.helpId;
 768
 769       /* Initialise dialog extra data */
 770
 771     dlgInfo = (DIALOGINFO *)wndPtr->wExtra;
 772     WINPROC_SetProc( &dlgInfo->dlgProc, (WNDPROC16)dlgProc, procType, WIN_PROC_WINDOW );
 773     dlgInfo->hUserFont = hFont;
 774     dlgInfo->hMenu     = hMenu;
 775     dlgInfo->xBaseUnit = xUnit;
 776     dlgInfo->yBaseUnit = yUnit;
 777     dlgInfo->msgResult = 0;
 778     dlgInfo->idResult  = 0;
 779     dlgInfo->flags     = 0;
 780     dlgInfo->hDialogHeap = 0;
 781
 782     if (dlgInfo->hUserFont)
 783         SendMessageA( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
 784
 785     /* Create controls */
 786
 787     if (DIALOG_CreateControls( wndPtr, dlgTemplate, &template,
 788                                hInst, win32Template ))
 789     {
 790         HWND hwndPreInitFocus;
 791
 792         /* Send initialisation messages and set focus */
 793
 794         dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
 795
 796         hwndPreInitFocus = GetFocus();
 797         if (SendMessageA( hwnd, WM_INITDIALOG, (WPARAM)dlgInfo->hwndFocus, param ))
 798         {
 799             /* check where the focus is again, some controls status might have changed in
 800                WM_INITDIALOG */
 801             dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
 802             SetFocus( dlgInfo->hwndFocus );
 803         }
 804         else
 805         {
 806             /* If the dlgproc has returned FALSE (indicating handling of keyboard focus)
 807                but the focus has not changed, set the focus where we expect it. */
 808             if ( (wndPtr->dwStyle & WS_VISIBLE) && ( GetFocus() == hwndPreInitFocus ) )
 809             {
 810                 dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
 811                 SetFocus( dlgInfo->hwndFocus );
 812             }
 813         }
 814
 815         if (template.style & WS_VISIBLE && !(wndPtr->dwStyle & WS_VISIBLE))
 816         {
 817            ShowWindow( hwnd, SW_SHOWNORMAL );   /* SW_SHOW doesn't always work */
 818         }
 819         WIN_ReleaseWndPtr(wndPtr);
 820         return hwnd;
 821     }
 822     WIN_ReleaseWndPtr(wndPtr);
 823     if( IsWindow(hwnd) ) DestroyWindow( hwnd );
 824     return 0;
 825 }
 826
 827
 828 /***********************************************************************
 829  *           CreateDialog16   (USER.89)
 830  */
 831 HWND16 WINAPI CreateDialog16( HINSTANCE16 hInst, SEGPTR dlgTemplate,
 832                               HWND16 owner, DLGPROC16 dlgProc )
 833 {
 834     return CreateDialogParam16( hInst, dlgTemplate, owner, dlgProc, 0 );
 835 }
 836
 837
 838 /***********************************************************************
 839  *           CreateDialogParam16   (USER.241)
 840  */
 841 HWND16 WINAPI CreateDialogParam16( HINSTANCE16 hInst, SEGPTR dlgTemplate,
 842                                    HWND16 owner, DLGPROC16 dlgProc,
 843                                    LPARAM param )
 844 {
 845     HWND16 hwnd = 0;
 846     HRSRC16 hRsrc;
 847     HGLOBAL16 hmem;
 848     LPCVOID data;
 849
 850     TRACE("%04x,%08lx,%04x,%08lx,%ld\n",
 851                    hInst, (DWORD)dlgTemplate, owner, (DWORD)dlgProc, param );
 852
 853     if (!(hRsrc = FindResource16( hInst, dlgTemplate, RT_DIALOG16 ))) return 0;
 854     if (!(hmem = LoadResource16( hInst, hRsrc ))) return 0;
 855     if (!(data = LockResource16( hmem ))) hwnd = 0;
 856     else hwnd = CreateDialogIndirectParam16( hInst, data, owner,
 857                                              dlgProc, param );
 858     FreeResource16( hmem );
 859     return hwnd;
 860 }
 861
 862 /***********************************************************************
 863  *           CreateDialogParamA   (USER32.73)
 864  */
 865 HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name,
 866                                     HWND owner, DLGPROC dlgProc,
 867                                     LPARAM param )
 868 {
 869     HANDLE hrsrc = FindResourceA( hInst, name, RT_DIALOGA );
 870     if (!hrsrc) return 0;
 871     return CreateDialogIndirectParamA( hInst,
 872                                          (LPVOID)LoadResource(hInst, hrsrc),
 873                                          owner, dlgProc, param );
 874 }
 875
 876
 877 /***********************************************************************
 878  *           CreateDialogParamW   (USER32.74)
 879  */
 880 HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name,
 881                                     HWND owner, DLGPROC dlgProc,
 882                                     LPARAM param )
 883 {
 884     HANDLE hrsrc = FindResourceW( hInst, name, RT_DIALOGW );
 885     if (!hrsrc) return 0;
 886     return CreateDialogIndirectParamW( hInst,
 887                                          (LPVOID)LoadResource(hInst, hrsrc),
 888                                          owner, dlgProc, param );
 889 }
 890
 891
 892 /***********************************************************************
 893  *           CreateDialogIndirect16   (USER.219)
 894  */
 895 HWND16 WINAPI CreateDialogIndirect16( HINSTANCE16 hInst, LPCVOID dlgTemplate,
 896                                       HWND16 owner, DLGPROC16 dlgProc )
 897 {
 898     return CreateDialogIndirectParam16( hInst, dlgTemplate, owner, dlgProc, 0);
 899 }
 900
 901
 902 /***********************************************************************
 903  *           CreateDialogIndirectParam16   (USER.242)
 904  */
 905 HWND16 WINAPI CreateDialogIndirectParam16( HINSTANCE16 hInst,
 906                                            LPCVOID dlgTemplate,
 907                                            HWND16 owner, DLGPROC16 dlgProc,
 908                                            LPARAM param )
 909 {
 910     return DIALOG_CreateIndirect( hInst, dlgTemplate, FALSE, owner,
 911                                   dlgProc, param, WIN_PROC_16 );
 912 }
 913
 914
 915 /***********************************************************************
 916  *           CreateDialogIndirectParamA   (USER32.69)
 917  */
 918 HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst,
 919                                             LPCVOID dlgTemplate,
 920                                             HWND owner, DLGPROC dlgProc,
 921                                             LPARAM param )
 922 {
 923     return DIALOG_CreateIndirect( hInst, dlgTemplate, TRUE, owner,
 924                                   (DLGPROC16)dlgProc, param, WIN_PROC_32A );
 925 }
 926
 927 /***********************************************************************
 928  *           CreateDialogIndirectParamAorW   (USER32.71)
 929  */
 930 HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst,
 931                                             LPCVOID dlgTemplate,
 932                                             HWND owner, DLGPROC dlgProc,
 933                                             LPARAM param )
 934 {   FIXME("assume WIN_PROC_32W\n");
 935     return DIALOG_CreateIndirect( hInst, dlgTemplate, TRUE, owner,
 936                                   (DLGPROC16)dlgProc, param, WIN_PROC_32W );
 937 }
 938
 939 /***********************************************************************
 940  *           CreateDialogIndirectParamW   (USER32.72)
 941  */
 942 HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst,
 943                                             LPCVOID dlgTemplate,
 944                                             HWND owner, DLGPROC dlgProc,
 945                                             LPARAM param )
 946 {
 947     return DIALOG_CreateIndirect( hInst, dlgTemplate, TRUE, owner,
 948                                   (DLGPROC16)dlgProc, param, WIN_PROC_32W );
 949 }
 950
 951
 952 /***********************************************************************
 953  *           DIALOG_DoDialogBox
 954  */
 955 INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
 956 {
 957     WND * wndPtr;
 958     DIALOGINFO * dlgInfo;
 959     MSG msg;
 960     INT retval;
 961
 962       /* Owner must be a top-level window */
 963     owner = WIN_GetTopParent( owner );
 964     if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return -1;
 965     dlgInfo = (DIALOGINFO *)wndPtr->wExtra;
 966
 967     if (!dlgInfo->flags & DF_END) /* was EndDialog called in WM_INITDIALOG ? */
 968     {
 969         EnableWindow( owner, FALSE );
 970         ShowWindow( hwnd, SW_SHOW );
 971         while (MSG_InternalGetMessage(QMSG_WIN32A, &msg, hwnd, owner, MSGF_DIALOGBOX,
 972                                       PM_REMOVE, !(wndPtr->dwStyle & DS_NOIDLEMSG), NULL ))
 973         {
 974             if (!IsDialogMessageA( hwnd, &msg))
 975             {
 976                 TranslateMessage( &msg );
 977                 DispatchMessageA( &msg );
 978             }
 979             if (dlgInfo->flags & DF_END) break;
 980         }
 981         EnableWindow( owner, TRUE );
 982     }
 983     retval = dlgInfo->idResult;
 984     WIN_ReleaseWndPtr(wndPtr);
 985     DestroyWindow( hwnd );
 986     return retval;
 987 }
 988
 989
 990 /***********************************************************************
 991  *           DialogBox16   (USER.87)
 992  */
 993 INT16 WINAPI DialogBox16( HINSTANCE16 hInst, SEGPTR dlgTemplate,
 994                           HWND16 owner, DLGPROC16 dlgProc )
 995 {
 996     return DialogBoxParam16( hInst, dlgTemplate, owner, dlgProc, 0 );
 997 }
 998
 999
1000 /***********************************************************************
1001  *           DialogBoxParam16   (USER.239)
1002  */
1003 INT16 WINAPI DialogBoxParam16( HINSTANCE16 hInst, SEGPTR template,
1004                                HWND16 owner, DLGPROC16 dlgProc, LPARAM param )
1005 {
1006     HWND16 hwnd = CreateDialogParam16( hInst, template, owner, dlgProc, param);
1007     if (hwnd) return (INT16)DIALOG_DoDialogBox( hwnd, owner );
1008     return -1;
1009 }
1010
1011
1012 /***********************************************************************
1013  *           DialogBoxParamA   (USER32.139)
1014  */
1015 INT WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
1016                                 HWND owner, DLGPROC dlgProc, LPARAM param )
1017 {
1018     HWND hwnd = CreateDialogParamA( hInst, name, owner, dlgProc, param );
1019     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
1020     return -1;
1021 }
1022
1023
1024 /***********************************************************************
1025  *           DialogBoxParamW   (USER32.140)
1026  */
1027 INT WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
1028                                 HWND owner, DLGPROC dlgProc, LPARAM param )
1029 {
1030     HWND hwnd = CreateDialogParamW( hInst, name, owner, dlgProc, param );
1031     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
1032     return -1;
1033 }
1034
1035
1036 /***********************************************************************
1037  *           DialogBoxIndirect16   (USER.218)
1038  */
1039 INT16 WINAPI DialogBoxIndirect16( HINSTANCE16 hInst, HANDLE16 dlgTemplate,
1040                                   HWND16 owner, DLGPROC16 dlgProc )
1041 {
1042     return DialogBoxIndirectParam16( hInst, dlgTemplate, owner, dlgProc, 0 );
1043 }
1044
1045
1046 /***********************************************************************
1047  *           DialogBoxIndirectParam16   (USER.240)
1048  */
1049 INT16 WINAPI DialogBoxIndirectParam16( HINSTANCE16 hInst, HANDLE16 dlgTemplate,
1050                                        HWND16 owner, DLGPROC16 dlgProc,
1051                                        LPARAM param )
1052 {
1053     HWND16 hwnd;
1054     LPCVOID ptr;
1055
1056     if (!(ptr = GlobalLock16( dlgTemplate ))) return -1;
1057     hwnd = CreateDialogIndirectParam16( hInst, ptr, owner, dlgProc, param );
1058     GlobalUnlock16( dlgTemplate );
1059     if (hwnd) return (INT16)DIALOG_DoDialogBox( hwnd, owner );
1060     return -1;
1061 }
1062
1063
1064 /***********************************************************************
1065  *           DialogBoxIndirectParamA   (USER32.136)
1066  */
1067 INT WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCVOID template,
1068                                        HWND owner, DLGPROC dlgProc,
1069                                        LPARAM param )
1070 {
1071     HWND hwnd = CreateDialogIndirectParamA( hInstance, template,
1072                                                 owner, dlgProc, param );
1073     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
1074     return -1;
1075 }
1076
1077
1078 /***********************************************************************
1079  *           DialogBoxIndirectParamW   (USER32.138)
1080  */
1081 INT WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCVOID template,
1082                                        HWND owner, DLGPROC dlgProc,
1083                                        LPARAM param )
1084 {
1085     HWND hwnd = CreateDialogIndirectParamW( hInstance, template,
1086                                                 owner, dlgProc, param );
1087     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
1088     return -1;
1089 }
1090
1091 /***********************************************************************
1092  *           DialogBoxIndirectParamAorW   (USER32.138)
1093  */
1094 INT WINAPI DialogBoxIndirectParamAorW(HINSTANCE hInstance, LPCVOID template,
1095                                        HWND owner, DLGPROC dlgProc,
1096                                        LPARAM param, DWORD x )
1097 {
1098     HWND hwnd;
1099     FIXME("0x%08x %p 0x%08x %p 0x%08lx 0x%08lx\n",
1100       hInstance, template, owner, dlgProc, param, x);
1101     hwnd = CreateDialogIndirectParamW( hInstance, template,
1102                                                 owner, dlgProc, param );
1103     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
1104     return -1;
1105 }
1106
1107 /***********************************************************************
1108  *           EndDialog16   (USER.88)
1109  */
1110 BOOL16 WINAPI EndDialog16( HWND16 hwnd, INT16 retval )
1111 {
1112     return EndDialog( hwnd, retval );
1113 }
1114
1115
1116 /***********************************************************************
1117  *           EndDialog   (USER32.173)
1118  */
1119 BOOL WINAPI EndDialog( HWND hwnd, INT retval )
1120 {
1121     WND * wndPtr = WIN_FindWndPtr( hwnd );
1122     DIALOGINFO * dlgInfo;
1123     HWND hOwner = 0;
1124
1125     TRACE("%04x %d\n", hwnd, retval );
1126
1127     if (!wndPtr)
1128     {
1129         ERR("got invalid window handle (%04x); buggy app !?\n", hwnd);
1130         return FALSE;
1131     }
1132
1133     if ((dlgInfo = (DIALOGINFO *)wndPtr->wExtra))
1134     {
1135         dlgInfo->idResult = retval;
1136         dlgInfo->flags |= DF_END;
1137     }
1138
1139     if(wndPtr->owner)
1140       hOwner = WIN_GetTopParent( wndPtr->owner->hwndSelf );
1141
1142     /* Enable the owner first */
1143     if (hOwner && !IsWindowEnabled(hOwner))
1144       EnableWindow( hOwner, TRUE );
1145
1146     /* Windows sets the focus to the dialog itself in EndDialog */
1147
1148     if (IsChild(hwnd, GetFocus()))
1149        SetFocus(wndPtr->hwndSelf);
1150
1151     /* Don't have to send a ShowWindow(SW_HIDE), just do
1152        SetWindowPos with SWP_HIDEWINDOW as done in Windows */
1153
1154     SetWindowPos(hwnd, (HWND)0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
1155                  | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
1156
1157     WIN_ReleaseWndPtr(wndPtr);
1158
1159     return TRUE;
1160 }
1161
1162
1163 /***********************************************************************
1164  *           DIALOG_IsAccelerator
1165  */
1166 static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM vKey )
1167 {
1168     HWND hwndControl = hwnd;
1169     HWND hwndNext;
1170     WND *wndPtr;
1171     BOOL RetVal = FALSE;
1172     INT dlgCode;
1173
1174         do
1175         {
1176             wndPtr = WIN_FindWndPtr( hwndControl );
1177             if ( (wndPtr != NULL) &&
1178                  ((wndPtr->dwStyle & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE) )
1179             {
1180                 dlgCode = SendMessageA( hwndControl, WM_GETDLGCODE, 0, 0 );
1181                 if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
1182                      (wndPtr->text!=NULL))
1183                 {
1184                     /* find the accelerator key */
1185                     LPWSTR p = wndPtr->text - 2;
1186                     do
1187                     {
1188                         p = strchrW( p + 2, '&' );
1189                     }
1190                     while (p != NULL && p[1] == '&');
1191
1192                     /* and check if it's the one we're looking for */
1193                     /* FIXME: convert vKey to unicode */
1194                     if (p != NULL && toupperW( p[1] ) == (WCHAR)toupper( vKey ) )
1195                     {
1196                         if ((dlgCode & DLGC_STATIC) ||
1197                             (wndPtr->dwStyle & 0x0f) == BS_GROUPBOX )
1198                         {
1199                             /* set focus to the control */
1200                             SendMessageA( hwndDlg, WM_NEXTDLGCTL,
1201                                     hwndControl, 1);
1202                             /* and bump it on to next */
1203                             SendMessageA( hwndDlg, WM_NEXTDLGCTL, 0, 0);
1204                         }
1205                         else if (dlgCode & DLGC_BUTTON)
1206                         {
1207                             /* send BM_CLICK message to the control */
1208                             SendMessageA( hwndControl, BM_CLICK, 0, 0 );
1209                         }
1210
1211                         RetVal = TRUE;
1212                         WIN_ReleaseWndPtr(wndPtr);
1213                         break;
1214                     }
1215                 }
1216                 hwndNext = GetWindow( hwndControl, GW_CHILD );
1217             }
1218             else
1219             {
1220                 hwndNext = 0;
1221             }
1222             WIN_ReleaseWndPtr(wndPtr);
1223             if (!hwndNext)
1224             {
1225                 hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
1226             }
1227             while (!hwndNext && hwndControl)
1228             {
1229                 hwndControl = GetParent( hwndControl );
1230                 if (hwndControl == hwndDlg)
1231                 {
1232                     if(hwnd==hwndDlg){  /* prevent endless loop */
1233                         hwndNext=hwnd;
1234                         break;
1235                     }
1236                     hwndNext = GetWindow( hwndDlg, GW_CHILD );
1237                 }
1238                 else
1239                 {
1240                     hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
1241                 }
1242             }
1243             hwndControl = hwndNext;
1244         }
1245         while (hwndControl && (hwndControl != hwnd));
1246
1247     return RetVal;
1248 }
1249
1250 /***********************************************************************
1251  *           DIALOG_FindMsgDestination
1252  *
1253  * The messages that IsDialogMessage send may not go to the dialog
1254  * calling IsDialogMessage if that dialog is a child, and it has the
1255  * DS_CONTROL style set.
1256  * We propagate up until we hit a that does not have DS_CONTROL, or
1257  * whose parent is not a dialog.
1258  *
1259  * This is undocumented behaviour.
1260  */
1261 static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
1262 {
1263     while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
1264     {
1265         WND *pParent;
1266         HWND hParent = GetParent(hwndDlg);
1267         if (!hParent) break;
1268
1269         pParent = WIN_FindWndPtr(hParent);
1270         if (!pParent) break;
1271
1272         if (!(pParent->flags & WIN_ISDIALOG))
1273         {
1274             WIN_ReleaseWndPtr(pParent);
1275             break;
1276         }
1277         WIN_ReleaseWndPtr(pParent);
1278
1279         hwndDlg = hParent;
1280     }
1281
1282     return hwndDlg;
1283 }
1284
1285 /***********************************************************************
1286  *           DIALOG_IsDialogMessage
1287  */
1288 static BOOL DIALOG_IsDialogMessage( HWND hwnd, HWND hwndDlg,
1289                                       UINT message, WPARAM wParam,
1290                                       LPARAM lParam, BOOL *translate,
1291                                       BOOL *dispatch, INT dlgCode )
1292 {
1293     *translate = *dispatch = FALSE;
1294
1295     if (message == WM_PAINT)
1296     {
1297         /* Apparently, we have to handle this one as well */
1298         *dispatch = TRUE;
1299         return TRUE;
1300     }
1301
1302       /* Only the key messages get special processing */
1303     if ((message != WM_KEYDOWN) &&
1304         (message != WM_SYSCHAR) &&
1305         (message != WM_CHAR))
1306         return FALSE;
1307
1308     if (dlgCode & DLGC_WANTMESSAGE)
1309     {
1310         *translate = *dispatch = TRUE;
1311         return TRUE;
1312     }
1313
1314     hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
1315
1316     switch(message)
1317     {
1318     case WM_KEYDOWN:
1319         switch(wParam)
1320         {
1321         case VK_TAB:
1322             if (!(dlgCode & DLGC_WANTTAB))
1323             {
1324                 SendMessageA( hwndDlg, WM_NEXTDLGCTL,
1325                                 (GetKeyState(VK_SHIFT) & 0x8000), 0 );
1326                 return TRUE;
1327             }
1328             break;
1329
1330         case VK_RIGHT:
1331         case VK_DOWN:
1332         case VK_LEFT:
1333         case VK_UP:
1334             if (!(dlgCode & DLGC_WANTARROWS))
1335             {
1336                 BOOL fPrevious = (wParam == VK_LEFT || wParam == VK_UP);
1337                 HWND hwndNext =
1338                     GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
1339                 SendMessageA( hwndDlg, WM_NEXTDLGCTL, hwndNext, 1 );
1340                 return TRUE;
1341             }
1342             break;
1343
1344         case VK_ESCAPE:
1345             SendMessageA( hwndDlg, WM_COMMAND, IDCANCEL,
1346                             (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
1347             return TRUE;
1348
1349         case VK_RETURN:
1350             {
1351                 DWORD dw = SendMessage16( hwndDlg, DM_GETDEFID, 0, 0 );
1352                 if (HIWORD(dw) == DC_HASDEFID)
1353                 {
1354                     SendMessageA( hwndDlg, WM_COMMAND,
1355                                     MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
1356                                     (LPARAM)GetDlgItem(hwndDlg, LOWORD(dw)));
1357                 }
1358                 else
1359                 {
1360                     SendMessageA( hwndDlg, WM_COMMAND, IDOK,
1361                                     (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
1362
1363                 }
1364             }
1365             return TRUE;
1366         }
1367         *translate = TRUE;
1368         break; /* case WM_KEYDOWN */
1369
1370     case WM_CHAR:
1371         if (dlgCode & DLGC_WANTCHARS) break;
1372         /* drop through */
1373
1374     case WM_SYSCHAR:
1375         if (DIALOG_IsAccelerator( hwnd, hwndDlg, wParam ))
1376         {
1377             /* don't translate or dispatch */
1378             return TRUE;
1379         }
1380         break;
1381     }
1382
1383     /* If we get here, the message has not been treated specially */
1384     /* and can be sent to its destination window. */
1385     *dispatch = TRUE;
1386     return TRUE;
1387 }
1388
1389
1390 /***********************************************************************
1391  *           IsDialogMessage16   (USER.90)
1392  */
1393 BOOL16 WINAPI WIN16_IsDialogMessage16( HWND16 hwndDlg, SEGPTR msg16 )
1394 {
1395     LPMSG16 msg = PTR_SEG_TO_LIN(msg16);
1396     BOOL ret, translate, dispatch;
1397     INT dlgCode = 0;
1398
1399     if ((hwndDlg != msg->hwnd) && !IsChild16( hwndDlg, msg->hwnd ))
1400         return FALSE;
1401
1402     if ((msg->message == WM_KEYDOWN) ||
1403         (msg->message == WM_SYSCHAR) ||
1404         (msg->message == WM_CHAR))
1405     {
1406        dlgCode = SendMessage16( msg->hwnd, WM_GETDLGCODE, 0, (LPARAM)msg16);
1407     }
1408     ret = DIALOG_IsDialogMessage( msg->hwnd, hwndDlg, msg->message,
1409                                   msg->wParam, msg->lParam,
1410                                   &translate, &dispatch, dlgCode );
1411     if (translate) TranslateMessage16( msg );
1412     if (dispatch) DispatchMessage16( msg );
1413     return ret;
1414 }
1415
1416
1417 BOOL16 WINAPI IsDialogMessage16( HWND16 hwndDlg, LPMSG16 msg )
1418 {
1419     LPMSG16 msg16 = SEGPTR_NEW(MSG16);
1420     BOOL ret;
1421
1422     *msg16 = *msg;
1423     ret = WIN16_IsDialogMessage16( hwndDlg, SEGPTR_GET(msg16) );
1424     SEGPTR_FREE(msg16);
1425     return ret;
1426 }
1427
1428 /***********************************************************************
1429  *           IsDialogMessageA   (USER32.342)
1430  */
1431 BOOL WINAPI IsDialogMessageA( HWND hwndDlg, LPMSG msg )
1432 {
1433     BOOL ret, translate, dispatch;
1434     INT dlgCode = 0;
1435
1436     if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd ))
1437         return FALSE;
1438
1439     if ((msg->message == WM_KEYDOWN) ||
1440         (msg->message == WM_SYSCHAR) ||
1441         (msg->message == WM_CHAR))
1442     {
1443         dlgCode = SendMessageA( msg->hwnd, WM_GETDLGCODE, 0, (LPARAM)msg);
1444     }
1445     ret = DIALOG_IsDialogMessage( msg->hwnd, hwndDlg, msg->message,
1446                                   msg->wParam, msg->lParam,
1447                                   &translate, &dispatch, dlgCode );
1448     if (translate) TranslateMessage( msg );
1449     if (dispatch) DispatchMessageA( msg );
1450     return ret;
1451 }
1452
1453
1454 /***********************************************************************
1455  *           IsDialogMessageW   (USER32.343)
1456  */
1457 BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
1458 {
1459     BOOL ret, translate, dispatch;
1460     INT dlgCode = 0;
1461
1462     if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd ))
1463         return FALSE;
1464
1465     if ((msg->message == WM_KEYDOWN) ||
1466         (msg->message == WM_SYSCHAR) ||
1467         (msg->message == WM_CHAR))
1468     {
1469         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, 0, (LPARAM)msg);
1470     }
1471     ret = DIALOG_IsDialogMessage( msg->hwnd, hwndDlg, msg->message,
1472                                   msg->wParam, msg->lParam,
1473                                   &translate, &dispatch, dlgCode );
1474     if (translate) TranslateMessage( msg );
1475     if (dispatch) DispatchMessageW( msg );
1476     return ret;
1477 }
1478
1479
1480 /***********************************************************************
1481  *         GetDlgCtrlID16   (USER.277)
1482  */
1483 INT16 WINAPI GetDlgCtrlID16( HWND16 hwnd )
1484 {
1485     WND *wndPtr = WIN_FindWndPtr(hwnd);
1486     INT16 retvalue;
1487
1488     if (!wndPtr) return 0;
1489
1490     retvalue = wndPtr->wIDmenu;
1491     WIN_ReleaseWndPtr(wndPtr);
1492     return retvalue;
1493 }
1494
1495
1496 /***********************************************************************
1497  *         GetDlgCtrlID   (USER32.234)
1498  */
1499 INT WINAPI GetDlgCtrlID( HWND hwnd )
1500 {
1501     INT retvalue;
1502     WND *wndPtr = WIN_FindWndPtr(hwnd);
1503     if (!wndPtr) return 0;
1504     retvalue = wndPtr->wIDmenu;
1505     WIN_ReleaseWndPtr(wndPtr);
1506     return retvalue;
1507 }
1508
1509
1510 /***********************************************************************
1511  *           GetDlgItem16   (USER.91)
1512  */
1513 HWND16 WINAPI GetDlgItem16( HWND16 hwndDlg, INT16 id )
1514 {
1515     WND *pWnd;
1516
1517     if (!(pWnd = WIN_FindWndPtr( hwndDlg ))) return 0;
1518     for (WIN_UpdateWndPtr(&pWnd,pWnd->child); pWnd; WIN_UpdateWndPtr(&pWnd,pWnd->next))
1519         if (pWnd->wIDmenu == (UINT16)id)
1520         {
1521             HWND16 retvalue = pWnd->hwndSelf;
1522             WIN_ReleaseWndPtr(pWnd);
1523             return retvalue;
1524         }
1525     return 0;
1526 }
1527
1528
1529 /***********************************************************************
1530  *           GetDlgItem   (USER32.235)
1531  */
1532 HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
1533 {
1534     WND *pWnd;
1535
1536     if (!(pWnd = WIN_FindWndPtr( hwndDlg ))) return 0;
1537     for (WIN_UpdateWndPtr(&pWnd,pWnd->child); pWnd;WIN_UpdateWndPtr(&pWnd,pWnd->next))
1538         if (pWnd->wIDmenu == (UINT16)id)
1539         {
1540             HWND retvalue = pWnd->hwndSelf;
1541             WIN_ReleaseWndPtr(pWnd);
1542             return retvalue;
1543         }
1544     return 0;
1545 }
1546
1547
1548 /*******************************************************************
1549  *           SendDlgItemMessage16   (USER.101)
1550  */
1551 LRESULT WINAPI SendDlgItemMessage16( HWND16 hwnd, INT16 id, UINT16 msg,
1552                                      WPARAM16 wParam, LPARAM lParam )
1553 {
1554     HWND16 hwndCtrl = GetDlgItem16( hwnd, id );
1555     if (hwndCtrl) return SendMessage16( hwndCtrl, msg, wParam, lParam );
1556     else return 0;
1557 }
1558
1559
1560 /*******************************************************************
1561  *           SendDlgItemMessageA   (USER32.452)
1562  */
1563 LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
1564                                       WPARAM wParam, LPARAM lParam )
1565 {
1566     HWND hwndCtrl = GetDlgItem( hwnd, id );
1567     if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
1568     else return 0;
1569 }
1570
1571
1572 /*******************************************************************
1573  *           SendDlgItemMessageW   (USER32.453)
1574  */
1575 LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
1576                                       WPARAM wParam, LPARAM lParam )
1577 {
1578     HWND hwndCtrl = GetDlgItem( hwnd, id );
1579     if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
1580     else return 0;
1581 }
1582
1583
1584 /*******************************************************************
1585  *           SetDlgItemText16   (USER.92)
1586  */
1587 void WINAPI SetDlgItemText16( HWND16 hwnd, INT16 id, SEGPTR lpString )
1588 {
1589     SendDlgItemMessage16( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1590 }
1591
1592
1593 /*******************************************************************
1594  *           SetDlgItemTextA   (USER32.478)
1595  */
1596 BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
1597 {
1598     return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1599 }
1600
1601
1602 /*******************************************************************
1603  *           SetDlgItemTextW   (USER32.479)
1604  */
1605 BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
1606 {
1607     return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1608 }
1609
1610
1611 /***********************************************************************
1612  *           GetDlgItemText16   (USER.93)
1613  */
1614 INT16 WINAPI GetDlgItemText16( HWND16 hwnd, INT16 id, SEGPTR str, UINT16 len )
1615 {
1616     return (INT16)SendDlgItemMessage16( hwnd, id, WM_GETTEXT,
1617                                         len, (LPARAM)str );
1618 }
1619
1620
1621 /***********************************************************************
1622  *           GetDlgItemTextA   (USER32.237)
1623  */
1624 INT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, UINT len )
1625 {
1626     return (INT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
1627                                          len, (LPARAM)str );
1628 }
1629
1630
1631 /***********************************************************************
1632  *           GetDlgItemTextW   (USER32.238)
1633  */
1634 INT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, UINT len )
1635 {
1636     return (INT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
1637                                          len, (LPARAM)str );
1638 }
1639
1640
1641 /*******************************************************************
1642  *           SetDlgItemInt16   (USER.94)
1643  */
1644 void WINAPI SetDlgItemInt16( HWND16 hwnd, INT16 id, UINT16 value, BOOL16 fSigned )
1645 {
1646     SetDlgItemInt( hwnd, (UINT)(UINT16)id, value, fSigned );
1647 }
1648
1649
1650 /*******************************************************************
1651  *           SetDlgItemInt   (USER32.477)
1652  */
1653 BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
1654                              BOOL fSigned )
1655 {
1656     char str[20];
1657
1658     if (fSigned) sprintf( str, "%d", (INT)value );
1659     else sprintf( str, "%u", value );
1660     SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
1661     return TRUE;
1662 }
1663
1664
1665 /***********************************************************************
1666  *           GetDlgItemInt16   (USER.95)
1667  */
1668 UINT16 WINAPI GetDlgItemInt16( HWND16 hwnd, INT16 id, BOOL16 *translated,
1669                                BOOL16 fSigned )
1670 {
1671     UINT result;
1672     BOOL ok;
1673
1674     if (translated) *translated = FALSE;
1675     result = GetDlgItemInt( hwnd, (UINT)(UINT16)id, &ok, fSigned );
1676     if (!ok) return 0;
1677     if (fSigned)
1678     {
1679         if (((INT)result < -32767) || ((INT)result > 32767)) return 0;
1680     }
1681     else
1682     {
1683         if (result > 65535) return 0;
1684     }
1685     if (translated) *translated = TRUE;
1686     return (UINT16)result;
1687 }
1688
1689
1690 /***********************************************************************
1691  *           GetDlgItemInt   (USER32.236)
1692  */
1693 UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
1694                                BOOL fSigned )
1695 {
1696     char str[30];
1697     char * endptr;
1698     long result = 0;
1699
1700     if (translated) *translated = FALSE;
1701     if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
1702         return 0;
1703     if (fSigned)
1704     {
1705         result = strtol( str, &endptr, 10 );
1706         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1707             return 0;
1708         if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
1709             return 0;
1710     }
1711     else
1712     {
1713         result = strtoul( str, &endptr, 10 );
1714         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1715             return 0;
1716         if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
1717     }
1718     if (translated) *translated = TRUE;
1719     return (UINT)result;
1720 }
1721
1722
1723 /***********************************************************************
1724  *           CheckDlgButton16   (USER.97)
1725  */
1726 BOOL16 WINAPI CheckDlgButton16( HWND16 hwnd, INT16 id, UINT16 check )
1727 {
1728     SendDlgItemMessageA( hwnd, id, BM_SETCHECK, check, 0 );
1729     return TRUE;
1730 }
1731
1732
1733 /***********************************************************************
1734  *           CheckDlgButton   (USER32.45)
1735  */
1736 BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
1737 {
1738     SendDlgItemMessageA( hwnd, id, BM_SETCHECK, check, 0 );
1739     return TRUE;
1740 }
1741
1742
1743 /***********************************************************************
1744  *           IsDlgButtonChecked16   (USER.98)
1745  */
1746 UINT16 WINAPI IsDlgButtonChecked16( HWND16 hwnd, UINT16 id )
1747 {
1748     return (UINT16)SendDlgItemMessageA( hwnd, id, BM_GETCHECK, 0, 0 );
1749 }
1750
1751
1752 /***********************************************************************
1753  *           IsDlgButtonChecked   (USER32.344)
1754  */
1755 UINT WINAPI IsDlgButtonChecked( HWND hwnd, UINT id )
1756 {
1757     return (UINT)SendDlgItemMessageA( hwnd, id, BM_GETCHECK, 0, 0 );
1758 }
1759
1760
1761 /***********************************************************************
1762  *           CheckRadioButton16   (USER.96)
1763  */
1764 BOOL16 WINAPI CheckRadioButton16( HWND16 hwndDlg, UINT16 firstID,
1765                                   UINT16 lastID, UINT16 checkID )
1766 {
1767     return CheckRadioButton( hwndDlg, firstID, lastID, checkID );
1768 }
1769
1770
1771 /***********************************************************************
1772  *           CheckRB
1773  *
1774  * Callback function used to check/uncheck radio buttons that fall
1775  * within a specific range of IDs.
1776  */
1777 static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
1778 {
1779     LONG lChildID = GetWindowLongA(hwndChild, GWL_ID);
1780     RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
1781
1782     if ((lChildID >= lpRadioGroup->firstID) &&
1783         (lChildID <= lpRadioGroup->lastID))
1784     {
1785         if (lChildID == lpRadioGroup->checkID)
1786         {
1787             SendMessageA(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
1788         }
1789         else
1790         {
1791             SendMessageA(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
1792         }
1793     }
1794
1795     return TRUE;
1796 }
1797
1798
1799 /***********************************************************************
1800  *           CheckRadioButton   (USER32.48)
1801  */
1802 BOOL WINAPI CheckRadioButton( HWND hwndDlg, UINT firstID,
1803                               UINT lastID, UINT checkID )
1804 {
1805     RADIOGROUP radioGroup;
1806
1807     /* perform bounds checking for a radio button group */
1808     radioGroup.firstID = min(min(firstID, lastID), checkID);
1809     radioGroup.lastID = max(max(firstID, lastID), checkID);
1810     radioGroup.checkID = checkID;
1811
1812     return EnumChildWindows(hwndDlg, (WNDENUMPROC)CheckRB,
1813                             (LPARAM)&radioGroup);
1814 }
1815
1816
1817 /***********************************************************************
1818  *           GetDialogBaseUnits   (USER.243) (USER32.233)
1819  */
1820 DWORD WINAPI GetDialogBaseUnits(void)
1821 {
1822     return MAKELONG( xBaseUnit, yBaseUnit );
1823 }
1824
1825
1826 /***********************************************************************
1827  *           MapDialogRect16   (USER.103)
1828  */
1829 void WINAPI MapDialogRect16( HWND16 hwnd, LPRECT16 rect )
1830 {
1831     DIALOGINFO * dlgInfo;
1832     WND * wndPtr = WIN_FindWndPtr( hwnd );
1833     if (!wndPtr) return;
1834     dlgInfo = (DIALOGINFO *)wndPtr->wExtra;
1835     rect->left   = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
1836     rect->right  = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
1837     rect->top    = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
1838     rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
1839     WIN_ReleaseWndPtr(wndPtr);
1840 }
1841
1842
1843 /***********************************************************************
1844  *           MapDialogRect   (USER32.382)
1845  */
1846 BOOL WINAPI MapDialogRect( HWND hwnd, LPRECT rect )
1847 {
1848     DIALOGINFO * dlgInfo;
1849     WND * wndPtr = WIN_FindWndPtr( hwnd );
1850     if (!wndPtr) return FALSE;
1851     dlgInfo = (DIALOGINFO *)wndPtr->wExtra;
1852     rect->left   = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
1853     rect->right  = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
1854     rect->top    = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
1855     rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
1856     WIN_ReleaseWndPtr(wndPtr);
1857     return TRUE;
1858 }
1859
1860
1861 /***********************************************************************
1862  *           GetNextDlgGroupItem16   (USER.227)
1863  */
1864 HWND16 WINAPI GetNextDlgGroupItem16( HWND16 hwndDlg, HWND16 hwndCtrl,
1865                                      BOOL16 fPrevious )
1866 {
1867     return (HWND16)GetNextDlgGroupItem( hwndDlg, hwndCtrl, fPrevious );
1868 }
1869
1870
1871 /***********************************************************************
1872  *           GetNextDlgGroupItem   (USER32.275)
1873  */
1874 HWND WINAPI GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl,
1875                                      BOOL fPrevious )
1876 {
1877     WND *pWnd = NULL,
1878         *pWndLast = NULL,
1879         *pWndCtrl = NULL,
1880         *pWndDlg = NULL;
1881     HWND retvalue;
1882
1883     if(hwndCtrl)
1884     {
1885         /* if the hwndCtrl is the child of the control in the hwndDlg then the hwndDlg has to be the parent of the hwndCtrl */
1886         if(GetParent(hwndCtrl) != hwndDlg && GetParent(GetParent(hwndCtrl)) == hwndDlg)
1887             hwndDlg = GetParent(hwndCtrl);
1888     }
1889
1890     if (!(pWndDlg = WIN_FindWndPtr( hwndDlg ))) return 0;
1891     if (hwndCtrl)
1892     {
1893         if (!(pWndCtrl = WIN_FindWndPtr( hwndCtrl )))
1894     {
1895             retvalue = 0;
1896             goto END;
1897         }
1898         /* Make sure hwndCtrl is a top-level child */
1899         while ((pWndCtrl->dwStyle & WS_CHILD) && (pWndCtrl->parent != pWndDlg))
1900             WIN_UpdateWndPtr(&pWndCtrl,pWndCtrl->parent);
1901         if (pWndCtrl->parent != pWndDlg)
1902         {
1903             retvalue = 0;
1904             goto END;
1905         }
1906     }
1907     else
1908     {
1909         /* No ctrl specified -> start from the beginning */
1910         if (!(pWndCtrl = WIN_LockWndPtr(pWndDlg->child)))
1911         {
1912             retvalue = 0;
1913             goto END;
1914         }
1915         if (fPrevious)
1916             while (pWndCtrl->next) WIN_UpdateWndPtr(&pWndCtrl,pWndCtrl->next);
1917     }
1918
1919     pWndLast = WIN_LockWndPtr(pWndCtrl);
1920     pWnd = WIN_LockWndPtr(pWndCtrl->next);
1921
1922     while (1)
1923     {
1924         if (!pWnd || (pWnd->dwStyle & WS_GROUP))
1925         {
1926             /* Wrap-around to the beginning of the group */
1927             WND *pWndTemp;
1928
1929             WIN_UpdateWndPtr( &pWnd, pWndDlg->child );
1930             for ( pWndTemp = WIN_LockWndPtr( pWnd );
1931                   pWndTemp;
1932                   WIN_UpdateWndPtr( &pWndTemp, pWndTemp->next) )
1933             {
1934                 if (pWndTemp->dwStyle & WS_GROUP) WIN_UpdateWndPtr( &pWnd, pWndTemp );
1935                 if (pWndTemp == pWndCtrl) break;
1936             }
1937             WIN_ReleaseWndPtr( pWndTemp );
1938         }
1939         if (pWnd == pWndCtrl) break;
1940         if ((pWnd->dwStyle & WS_VISIBLE) && !(pWnd->dwStyle & WS_DISABLED))
1941         {
1942             WIN_UpdateWndPtr(&pWndLast,pWnd);
1943             if (!fPrevious) break;
1944         }
1945         WIN_UpdateWndPtr(&pWnd,pWnd->next);
1946     }
1947     retvalue = pWndLast->hwndSelf;
1948
1949     WIN_ReleaseWndPtr(pWndLast);
1950     WIN_ReleaseWndPtr(pWnd);
1951 END:
1952     WIN_ReleaseWndPtr(pWndCtrl);
1953     WIN_ReleaseWndPtr(pWndDlg);
1954
1955     return retvalue;
1956 }
1957
1958
1959 /***********************************************************************
1960  *           GetNextDlgTabItem16   (USER.228)
1961  */
1962 HWND16 WINAPI GetNextDlgTabItem16( HWND16 hwndDlg, HWND16 hwndCtrl,
1963                                    BOOL16 fPrevious )
1964 {
1965     return (HWND16)GetNextDlgTabItem( hwndDlg, hwndCtrl, fPrevious );
1966 }
1967
1968 /***********************************************************************
1969  *           DIALOG_GetNextTabItem
1970  *
1971  * Helper for GetNextDlgTabItem
1972  */
1973 static HWND DIALOG_GetNextTabItem( HWND hwndMain, HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1974 {
1975     LONG dsStyle;
1976     LONG exStyle;
1977     UINT wndSearch = fPrevious ? GW_HWNDPREV : GW_HWNDNEXT;
1978     HWND retWnd = 0;
1979     HWND hChildFirst = 0;
1980
1981     if(!hwndCtrl)
1982     {
1983         hChildFirst = GetWindow(hwndDlg,GW_CHILD);
1984         if(fPrevious) hChildFirst = GetWindow(hChildFirst,GW_HWNDLAST);
1985     }
1986     else
1987     {
1988         HWND hParent = GetParent(hwndCtrl);
1989         BOOL bValid = FALSE;
1990         while( hParent)
1991         {
1992             if(hParent == hwndMain)
1993             {
1994                 bValid = TRUE;
1995                 break;
1996             }
1997             hParent = GetParent(hParent);
1998         }
1999         if(bValid)
2000         {
2001             hChildFirst = GetWindow(hwndCtrl,wndSearch);
2002             if(!hChildFirst)
2003             {
2004                 if(GetParent(hwndCtrl) != hwndMain)
2005                     hChildFirst = GetWindow(GetParent(hwndCtrl),wndSearch);
2006                 else
2007                 {
2008                     if(fPrevious)
2009                         hChildFirst = GetWindow(hwndCtrl,GW_HWNDLAST);
2010                     else
2011                         hChildFirst = GetWindow(hwndCtrl,GW_HWNDFIRST);
2012                 }
2013             }
2014         }
2015     }
2016     while(hChildFirst)
2017     {
2018         BOOL bCtrl = FALSE;
2019         while(hChildFirst)
2020         {
2021             dsStyle = GetWindowLongA(hChildFirst,GWL_STYLE);
2022             exStyle = GetWindowLongA(hChildFirst,GWL_EXSTYLE);
2023             if( (dsStyle & DS_CONTROL || exStyle & WS_EX_CONTROLPARENT) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
2024             {
2025                 bCtrl=TRUE;
2026                 break;
2027             }
2028             else if( (dsStyle & WS_TABSTOP) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
2029                 break;
2030             hChildFirst = GetWindow(hChildFirst,wndSearch);
2031         }
2032         if(hChildFirst)
2033         {
2034             if(bCtrl)
2035                 retWnd = DIALOG_GetNextTabItem(hwndMain,hChildFirst,(HWND)NULL,fPrevious );
2036             else
2037                 retWnd = hChildFirst;
2038         }
2039         if(retWnd) break;
2040         hChildFirst = GetWindow(hChildFirst,wndSearch);
2041     }
2042     if(!retWnd && hwndCtrl)
2043     {
2044         HWND hParent = GetParent(hwndCtrl);
2045         while(hParent)
2046         {
2047             if(hParent == hwndMain) break;
2048             retWnd = DIALOG_GetNextTabItem(hwndMain,GetParent(hParent),hParent,fPrevious );
2049             if(retWnd) break;
2050             hParent = GetParent(hParent);
2051         }
2052         if(!retWnd)
2053             retWnd = DIALOG_GetNextTabItem(hwndMain,hwndMain,(HWND)NULL,fPrevious );
2054     }
2055     return retWnd;
2056 }
2057
2058 /***********************************************************************
2059  *           GetNextDlgTabItem   (USER32.276)
2060  */
2061 HWND WINAPI GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl,
2062                                    BOOL fPrevious )
2063 {
2064     return DIALOG_GetNextTabItem(hwndDlg,hwndDlg,hwndCtrl,fPrevious);
2065 }
2066
2067 /**********************************************************************
2068  *           DIALOG_DlgDirSelect
2069  *
2070  * Helper function for DlgDirSelect*
2071  */
2072 static BOOL DIALOG_DlgDirSelect( HWND hwnd, LPSTR str, INT len,
2073                                    INT id, BOOL win32, BOOL unicode,
2074                                    BOOL combo )
2075 {
2076     char *buffer, *ptr;
2077     INT item, size;
2078     BOOL ret;
2079     HWND listbox = GetDlgItem( hwnd, id );
2080
2081     TRACE("%04x '%s' %d\n", hwnd, str, id );
2082     if (!listbox) return FALSE;
2083     if (win32)
2084     {
2085         item = SendMessageA(listbox, combo ? CB_GETCURSEL
2086                                              : LB_GETCURSEL, 0, 0 );
2087         if (item == LB_ERR) return FALSE;
2088         size = SendMessageA(listbox, combo ? CB_GETLBTEXTLEN
2089                                              : LB_GETTEXTLEN, 0, 0 );
2090         if (size == LB_ERR) return FALSE;
2091     }
2092     else
2093     {
2094         item = SendMessageA(listbox, combo ? CB_GETCURSEL16
2095                                              : LB_GETCURSEL16, 0, 0 );
2096         if (item == LB_ERR) return FALSE;
2097         size = SendMessageA(listbox, combo ? CB_GETLBTEXTLEN16
2098                                              : LB_GETTEXTLEN16, 0, 0 );
2099         if (size == LB_ERR) return FALSE;
2100     }
2101
2102     if (!(buffer = SEGPTR_ALLOC( size+1 ))) return FALSE;
2103
2104     if (win32)
2105         SendMessageA( listbox, combo ? CB_GETLBTEXT : LB_GETTEXT,
2106                         item, (LPARAM)buffer );
2107     else
2108         SendMessage16( listbox, combo ? CB_GETLBTEXT16 : LB_GETTEXT16,
2109                        item, (LPARAM)SEGPTR_GET(buffer) );
2110
2111     if ((ret = (buffer[0] == '[')))  /* drive or directory */
2112     {
2113         if (buffer[1] == '-')  /* drive */
2114         {
2115             buffer[3] = ':';
2116             buffer[4] = 0;
2117             ptr = buffer + 2;
2118         }
2119         else
2120         {
2121             buffer[strlen(buffer)-1] = '\\';
2122             ptr = buffer + 1;
2123         }
2124     }
2125     else ptr = buffer;
2126
2127     if (unicode) lstrcpynAtoW( (LPWSTR)str, ptr, len );
2128     else lstrcpynA( str, ptr, len );
2129     SEGPTR_FREE( buffer );
2130     TRACE("Returning %d '%s'\n", ret, str );
2131     return ret;
2132 }
2133
2134
2135 /**********************************************************************
2136  *          DIALOG_DlgDirList
2137  *
2138  * Helper function for DlgDirList*
2139  */
2140 static INT DIALOG_DlgDirList( HWND hDlg, LPSTR spec, INT idLBox,
2141                                 INT idStatic, UINT attrib, BOOL combo )
2142 {
2143     int drive;
2144     HWND hwnd;
2145     LPSTR orig_spec = spec;
2146
2147 #define SENDMSG(msg,wparam,lparam) \
2148     ((attrib & DDL_POSTMSGS) ? PostMessageA( hwnd, msg, wparam, lparam ) \
2149                              : SendMessageA( hwnd, msg, wparam, lparam ))
2150
2151     TRACE("%04x '%s' %d %d %04x\n",
2152                     hDlg, spec ? spec : "NULL", idLBox, idStatic, attrib );
2153
2154     if (spec && spec[0] && (spec[1] == ':'))
2155     {
2156         drive = toupper( spec[0] ) - 'A';
2157         spec += 2;
2158         if (!DRIVE_SetCurrentDrive( drive )) return FALSE;
2159     }
2160     else drive = DRIVE_GetCurrentDrive();
2161
2162     /* If the path exists and is a directory, chdir to it */
2163     if (!spec || !spec[0] || DRIVE_Chdir( drive, spec )) spec = "*.*";
2164     else
2165     {
2166         char *p, *p2;
2167         p = spec;
2168         if ((p2 = strrchr( p, '\\' ))) p = p2;
2169         if ((p2 = strrchr( p, '/' ))) p = p2;
2170         if (p != spec)
2171         {
2172             char sep = *p;
2173             *p = 0;
2174             if (!DRIVE_Chdir( drive, spec ))
2175             {
2176                 *p = sep;  /* Restore the original spec */
2177                 return FALSE;
2178             }
2179             spec = p + 1;
2180         }
2181     }
2182
2183     TRACE("path=%c:\\%s mask=%s\n",
2184                     'A' + drive, DRIVE_GetDosCwd(drive), spec );
2185
2186     if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
2187     {
2188         SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
2189         if (attrib & DDL_DIRECTORY)
2190         {
2191             if (!(attrib & DDL_EXCLUSIVE))
2192             {
2193                 if (SENDMSG( combo ? CB_DIR : LB_DIR,
2194                              attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
2195                              (LPARAM)spec ) == LB_ERR)
2196                     return FALSE;
2197             }
2198             if (SENDMSG( combo ? CB_DIR : LB_DIR,
2199                        (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
2200                          (LPARAM)"*.*" ) == LB_ERR)
2201                 return FALSE;
2202         }
2203         else
2204         {
2205             if (SENDMSG( combo ? CB_DIR : LB_DIR, attrib,
2206                          (LPARAM)spec ) == LB_ERR)
2207                 return FALSE;
2208         }
2209     }
2210
2211     if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
2212     {
2213         char temp[512];
2214         int drive = DRIVE_GetCurrentDrive();
2215         strcpy( temp, "A:\\" );
2216         temp[0] += drive;
2217         lstrcpynA( temp + 3, DRIVE_GetDosCwd(drive), sizeof(temp)-3 );
2218         CharLowerA( temp );
2219         /* Can't use PostMessage() here, because the string is on the stack */
2220         SetDlgItemTextA( hDlg, idStatic, temp );
2221     }
2222
2223     if (orig_spec && (spec != orig_spec))
2224     {
2225         /* Update the original file spec */
2226         char *p = spec;
2227         while ((*orig_spec++ = *p++));
2228     }
2229
2230     return TRUE;
2231 #undef SENDMSG
2232 }
2233
2234
2235 /**********************************************************************
2236  *          DIALOG_DlgDirListW
2237  *
2238  * Helper function for DlgDirList*W
2239  */
2240 static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
2241                                  INT idStatic, UINT attrib, BOOL combo )
2242 {
2243     if (spec)
2244     {
2245         LPSTR specA = HEAP_strdupWtoA( GetProcessHeap(), 0, spec );
2246         INT ret = DIALOG_DlgDirList( hDlg, specA, idLBox, idStatic,
2247                                        attrib, combo );
2248         lstrcpyAtoW( spec, specA );
2249         HeapFree( GetProcessHeap(), 0, specA );
2250         return ret;
2251     }
2252     return DIALOG_DlgDirList( hDlg, NULL, idLBox, idStatic, attrib, combo );
2253 }
2254
2255
2256 /**********************************************************************
2257  *          DlgDirSelect    (USER.99)
2258  */
2259 BOOL16 WINAPI DlgDirSelect16( HWND16 hwnd, LPSTR str, INT16 id )
2260 {
2261     return DlgDirSelectEx16( hwnd, str, 128, id );
2262 }
2263
2264
2265 /**********************************************************************
2266  *          DlgDirSelectComboBox    (USER.194)
2267  */
2268 BOOL16 WINAPI DlgDirSelectComboBox16( HWND16 hwnd, LPSTR str, INT16 id )
2269 {
2270     return DlgDirSelectComboBoxEx16( hwnd, str, 128, id );
2271 }
2272
2273
2274 /**********************************************************************
2275  *           DlgDirSelectEx16    (USER.422)
2276  */
2277 BOOL16 WINAPI DlgDirSelectEx16( HWND16 hwnd, LPSTR str, INT16 len, INT16 id )
2278 {
2279     return DIALOG_DlgDirSelect( hwnd, str, len, id, FALSE, FALSE, FALSE );
2280 }
2281
2282
2283 /**********************************************************************
2284  *           DlgDirSelectExA    (USER32.149)
2285  */
2286 BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
2287 {
2288     return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, FALSE, FALSE );
2289 }
2290
2291
2292 /**********************************************************************
2293  *           DlgDirSelectExW    (USER32.150)
2294  */
2295 BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
2296 {
2297     return DIALOG_DlgDirSelect( hwnd, (LPSTR)str, len, id, TRUE, TRUE, FALSE );
2298 }
2299
2300
2301 /**********************************************************************
2302  *           DlgDirSelectComboBoxEx16    (USER.423)
2303  */
2304 BOOL16 WINAPI DlgDirSelectComboBoxEx16( HWND16 hwnd, LPSTR str, INT16 len,
2305                                         INT16 id )
2306 {
2307     return DIALOG_DlgDirSelect( hwnd, str, len, id, FALSE, FALSE, TRUE );
2308 }
2309
2310
2311 /**********************************************************************
2312  *           DlgDirSelectComboBoxExA    (USER32.147)
2313  */
2314 BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
2315                                          INT id )
2316 {
2317     return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, FALSE, TRUE );
2318 }
2319
2320
2321 /**********************************************************************
2322  *           DlgDirSelectComboBoxExW    (USER32.148)
2323  */
2324 BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
2325                                          INT id)
2326 {
2327     return DIALOG_DlgDirSelect( hwnd, (LPSTR)str, len, id, TRUE, TRUE, TRUE );
2328 }
2329
2330
2331 /**********************************************************************
2332  *          DlgDirList16    (USER.100)
2333  */
2334 INT16 WINAPI DlgDirList16( HWND16 hDlg, LPSTR spec, INT16 idLBox,
2335                            INT16 idStatic, UINT16 attrib )
2336 {
2337     return DIALOG_DlgDirList( hDlg, spec, idLBox, idStatic, attrib, FALSE );
2338 }
2339
2340
2341 /**********************************************************************
2342  *          DlgDirListA    (USER32.143)
2343  */
2344 INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
2345                             INT idStatic, UINT attrib )
2346 {
2347     return DIALOG_DlgDirList( hDlg, spec, idLBox, idStatic, attrib, FALSE );
2348 }
2349
2350
2351 /**********************************************************************
2352  *          DlgDirListW    (USER32.146)
2353  */
2354 INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
2355                             INT idStatic, UINT attrib )
2356 {
2357     return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
2358 }
2359
2360
2361 /**********************************************************************
2362  *          DlgDirListComboBox16    (USER.195)
2363  */
2364 INT16 WINAPI DlgDirListComboBox16( HWND16 hDlg, LPSTR spec, INT16 idCBox,
2365                                    INT16 idStatic, UINT16 attrib )
2366 {
2367     return DIALOG_DlgDirList( hDlg, spec, idCBox, idStatic, attrib, TRUE );
2368 }
2369
2370
2371 /**********************************************************************
2372  *          DlgDirListComboBoxA    (USER32.144)
2373  */
2374 INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
2375                                     INT idStatic, UINT attrib )
2376 {
2377     return DIALOG_DlgDirList( hDlg, spec, idCBox, idStatic, attrib, TRUE );
2378 }
2379
2380
2381 /**********************************************************************
2382  *          DlgDirListComboBoxW    (USER32.145)
2383  */
2384 INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
2385                                     INT idStatic, UINT attrib )
2386 {
2387     return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );
2388 }