windows/dialog.c

   1 /*
   2  * Dialog functions
   3  *
   4  * Copyright 1993, 1994, 1996 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <ctype.h>
  25 #include <errno.h>
  26 #include <limits.h>
  27 #include <stdlib.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "wingdi.h"
  35 #include "winuser.h"
  36 #include "winnls.h"
  37 #include "wine/winuser16.h"
  38 #include "wine/unicode.h"
  39 #include "controls.h"
  40 #include "win.h"
  41 #include "winpos.h"
  42 #include "user.h"
  43 #include "wine/debug.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(dialog);
  46
  47
  48   /* Dialog control information */
  49 typedef struct
  50 {
  51     DWORD      style;
  52     DWORD      exStyle;
  53     DWORD      helpId;
  54     INT16      x;
  55     INT16      y;
  56     INT16      cx;
  57     INT16      cy;
  58     UINT       id;
  59     LPCWSTR    className;
  60     LPCWSTR    windowName;
  61     LPCVOID    data;
  62 } DLG_CONTROL_INFO;
  63
  64   /* Dialog template */
  65 typedef struct
  66 {
  67     DWORD      style;
  68     DWORD      exStyle;
  69     DWORD      helpId;
  70     UINT16     nbItems;
  71     INT16      x;
  72     INT16      y;
  73     INT16      cx;
  74     INT16      cy;
  75     LPCWSTR    menuName;
  76     LPCWSTR    className;
  77     LPCWSTR    caption;
  78     INT16      pointSize;
  79     WORD       weight;
  80     BOOL       italic;
  81     LPCWSTR    faceName;
  82     BOOL       dialogEx;
  83 } DLG_TEMPLATE;
  84
  85   /* Radio button group */
  86 typedef struct
  87 {
  88     UINT firstID;
  89     UINT lastID;
  90     UINT checkID;
  91 } RADIOGROUP;
  92
  93
  94 /*********************************************************************
  95  * dialog class descriptor
  96  */
  97 const struct builtin_class_descr DIALOG_builtin_class =
  98 {
  99     DIALOG_CLASS_ATOMA,  /* name */
 100     CS_SAVEBITS | CS_DBLCLKS, /* style  */
 101     DefDlgProcA,        /* procA */
 102     DefDlgProcW,        /* procW */
 103     DLGWINDOWEXTRA,     /* extra */
 104     IDC_ARROW,          /* cursor */
 105     0                   /* brush */
 106 };
 107
 108
 109 /***********************************************************************
 110  *           DIALOG_EnableOwner
 111  *
 112  * Helper function for modal dialogs to enable again the
 113  * owner of the dialog box.
 114  */
 115 void DIALOG_EnableOwner( HWND hOwner )
 116 {
 117     /* Owner must be a top-level window */
 118     if (hOwner)
 119         hOwner = GetAncestor( hOwner, GA_ROOT );
 120     if (!hOwner) return;
 121     EnableWindow( hOwner, TRUE );
 122 }
 123
 124
 125 /***********************************************************************
 126  *           DIALOG_DisableOwner
 127  *
 128  * Helper function for modal dialogs to disable the
 129  * owner of the dialog box. Returns TRUE if owner was enabled.
 130  */
 131 BOOL DIALOG_DisableOwner( HWND hOwner )
 132 {
 133     /* Owner must be a top-level window */
 134     if (hOwner)
 135         hOwner = GetAncestor( hOwner, GA_ROOT );
 136     if (!hOwner) return FALSE;
 137     if (IsWindowEnabled( hOwner ))
 138     {
 139         EnableWindow( hOwner, FALSE );
 140         return TRUE;
 141     }
 142     else
 143         return FALSE;
 144 }
 145
 146 /***********************************************************************
 147  *           DIALOG_GetCharSize
 148  *
 149  * Despite most of MSDN insisting that the horizontal base unit is
 150  * tmAveCharWidth it isn't.  Knowledge base article Q145994
 151  * "HOWTO: Calculate Dialog Units When Not Using the System Font",
 152  * says that we should take the average of the 52 English upper and lower
 153  * case characters.
 154  */
 155 BOOL DIALOG_GetCharSize( HDC hDC, HFONT hFont, SIZE * pSize )
 156 {
 157     HFONT hFontPrev = 0;
 158     const char *alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
 159     SIZE sz;
 160     TEXTMETRICA tm;
 161
 162     if(!hDC) return FALSE;
 163
 164     if(hFont) hFontPrev = SelectObject(hDC, hFont);
 165     if(!GetTextMetricsA(hDC, &tm)) return FALSE;
 166     if(!GetTextExtentPointA(hDC, alphabet, 52, &sz)) return FALSE;
 167
 168     pSize->cy = tm.tmHeight;
 169     pSize->cx = (sz.cx / 26 + 1) / 2;
 170
 171     if (hFontPrev) SelectObject(hDC, hFontPrev);
 172
 173     TRACE("dlg base units: %ld x %ld\n", pSize->cx, pSize->cy);
 174     return TRUE;
 175 }
 176
 177
 178 /***********************************************************************
 179  *           DIALOG_GetControl32
 180  *
 181  * Return the class and text of the control pointed to by ptr,
 182  * fill the header structure and return a pointer to the next control.
 183  */
 184 static const WORD *DIALOG_GetControl32( const WORD *p, DLG_CONTROL_INFO *info,
 185                                         BOOL dialogEx )
 186 {
 187     if (dialogEx)
 188     {
 189         info->helpId  = GET_DWORD(p); p += 2;
 190         info->exStyle = GET_DWORD(p); p += 2;
 191         info->style   = GET_DWORD(p); p += 2;
 192     }
 193     else
 194     {
 195         info->helpId  = 0;
 196         info->style   = GET_DWORD(p); p += 2;
 197         info->exStyle = GET_DWORD(p); p += 2;
 198     }
 199     info->x       = GET_WORD(p); p++;
 200     info->y       = GET_WORD(p); p++;
 201     info->cx      = GET_WORD(p); p++;
 202     info->cy      = GET_WORD(p); p++;
 203
 204     if (dialogEx)
 205     {
 206         /* id is a DWORD for DIALOGEX */
 207         info->id = GET_DWORD(p);
 208         p += 2;
 209     }
 210     else
 211     {
 212         info->id = GET_WORD(p);
 213         p++;
 214     }
 215
 216     if (GET_WORD(p) == 0xffff)
 217     {
 218         static const WCHAR class_names[6][10] =
 219         {
 220             { 'B','u','t','t','o','n', },             /* 0x80 */
 221             { 'E','d','i','t', },                     /* 0x81 */
 222             { 'S','t','a','t','i','c', },             /* 0x82 */
 223             { 'L','i','s','t','B','o','x', },         /* 0x83 */
 224             { 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
 225             { 'C','o','m','b','o','B','o','x', }      /* 0x85 */
 226         };
 227         WORD id = GET_WORD(p+1);
 228         /* Windows treats dialog control class ids 0-5 same way as 0x80-0x85 */
 229         if ((id >= 0x80) && (id <= 0x85)) id -= 0x80;
 230         if (id <= 5)
 231             info->className = class_names[id];
 232         else
 233         {
 234             info->className = NULL;
 235             ERR("Unknown built-in class id %04x\n", id );
 236         }
 237         p += 2;
 238     }
 239     else
 240     {
 241         info->className = (LPCWSTR)p;
 242         p += strlenW( info->className ) + 1;
 243     }
 244
 245     if (GET_WORD(p) == 0xffff)  /* Is it an integer id? */
 246     {
 247         info->windowName = (LPCWSTR)(UINT)GET_WORD(p + 1);
 248         p += 2;
 249     }
 250     else
 251     {
 252         info->windowName = (LPCWSTR)p;
 253         p += strlenW( info->windowName ) + 1;
 254     }
 255
 256     TRACE("    %s %s %d, %d, %d, %d, %d, %08lx, %08lx, %08lx\n",
 257           debugstr_w( info->className ), debugstr_w( info->windowName ),
 258           info->id, info->x, info->y, info->cx, info->cy,
 259           info->style, info->exStyle, info->helpId );
 260
 261     if (GET_WORD(p))
 262     {
 263         if (TRACE_ON(dialog))
 264         {
 265             WORD i, count = GET_WORD(p) / sizeof(WORD);
 266             TRACE("  BEGIN\n");
 267             TRACE("    ");
 268             for (i = 0; i < count; i++) TRACE( "%04x,", GET_WORD(p+i+1) );
 269             TRACE("\n");
 270             TRACE("  END\n" );
 271         }
 272         info->data = p + 1;
 273         p += GET_WORD(p) / sizeof(WORD);
 274     }
 275     else info->data = NULL;
 276     p++;
 277
 278     /* Next control is on dword boundary */
 279     return (const WORD *)((((int)p) + 3) & ~3);
 280 }
 281
 282
 283 /***********************************************************************
 284  *           DIALOG_CreateControls32
 285  *
 286  * Create the control windows for a dialog.
 287  */
 288 static BOOL DIALOG_CreateControls32( HWND hwnd, LPCSTR template, const DLG_TEMPLATE *dlgTemplate,
 289                                      HINSTANCE hInst, BOOL unicode )
 290 {
 291     DIALOGINFO *dlgInfo = DIALOG_get_info( hwnd, TRUE );
 292     DLG_CONTROL_INFO info;
 293     HWND hwndCtrl, hwndDefButton = 0;
 294     INT items = dlgTemplate->nbItems;
 295
 296     TRACE(" BEGIN\n" );
 297     while (items--)
 298     {
 299         template = (LPCSTR)DIALOG_GetControl32( (WORD *)template, &info,
 300                                                 dlgTemplate->dialogEx );
 301         /* Is this it? */
 302         if (info.style & WS_BORDER)
 303         {
 304             info.style &= ~WS_BORDER;
 305             info.exStyle |= WS_EX_CLIENTEDGE;
 306         }
 307         if (unicode)
 308         {
 309             hwndCtrl = CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
 310                                         info.className, info.windowName,
 311                                         info.style | WS_CHILD,
 312                                         MulDiv(info.x, dlgInfo->xBaseUnit, 4),
 313                                         MulDiv(info.y, dlgInfo->yBaseUnit, 8),
 314                                         MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
 315                                         MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
 316                                         hwnd, (HMENU)info.id,
 317                                         hInst, (LPVOID)info.data );
 318         }
 319         else
 320         {
 321             LPSTR class = (LPSTR)info.className;
 322             LPSTR caption = (LPSTR)info.windowName;
 323
 324             if (HIWORD(class))
 325             {
 326                 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.className, -1, NULL, 0, NULL, NULL );
 327                 class = HeapAlloc( GetProcessHeap(), 0, len );
 328                 WideCharToMultiByte( CP_ACP, 0, info.className, -1, class, len, NULL, NULL );
 329             }
 330             if (HIWORD(caption))
 331             {
 332                 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, NULL, 0, NULL, NULL );
 333                 caption = HeapAlloc( GetProcessHeap(), 0, len );
 334                 WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, caption, len, NULL, NULL );
 335             }
 336             hwndCtrl = CreateWindowExA( info.exStyle | WS_EX_NOPARENTNOTIFY,
 337                                         class, caption, info.style | WS_CHILD,
 338                                         MulDiv(info.x, dlgInfo->xBaseUnit, 4),
 339                                         MulDiv(info.y, dlgInfo->yBaseUnit, 8),
 340                                         MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
 341                                         MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
 342                                         hwnd, (HMENU)info.id,
 343                                         hInst, (LPVOID)info.data );
 344             if (HIWORD(class)) HeapFree( GetProcessHeap(), 0, class );
 345             if (HIWORD(caption)) HeapFree( GetProcessHeap(), 0, caption );
 346         }
 347         if (!hwndCtrl)
 348         {
 349             if (dlgTemplate->style & DS_NOFAILCREATE) continue;
 350             return FALSE;
 351         }
 352
 353             /* Send initialisation messages to the control */
 354         if (dlgInfo->hUserFont) SendMessageA( hwndCtrl, WM_SETFONT,
 355                                              (WPARAM)dlgInfo->hUserFont, 0 );
 356         if (SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
 357         {
 358               /* If there's already a default push-button, set it back */
 359               /* to normal and use this one instead. */
 360             if (hwndDefButton)
 361                 SendMessageA( hwndDefButton, BM_SETSTYLE, BS_PUSHBUTTON, FALSE );
 362             hwndDefButton = hwndCtrl;
 363             dlgInfo->idResult = GetWindowLongA( hwndCtrl, GWL_ID );
 364         }
 365     }
 366     TRACE(" END\n" );
 367     return TRUE;
 368 }
 369
 370
 371 /***********************************************************************
 372  *           DIALOG_ParseTemplate32
 373  *
 374  * Fill a DLG_TEMPLATE structure from the dialog template, and return
 375  * a pointer to the first control.
 376  */
 377 static LPCSTR DIALOG_ParseTemplate32( LPCSTR template, DLG_TEMPLATE * result )
 378 {
 379     const WORD *p = (const WORD *)template;
 380
 381     result->style = GET_DWORD(p); p += 2;
 382     if (result->style == 0xffff0001)  /* DIALOGEX resource */
 383     {
 384         result->dialogEx = TRUE;
 385         result->helpId   = GET_DWORD(p); p += 2;
 386         result->exStyle  = GET_DWORD(p); p += 2;
 387         result->style    = GET_DWORD(p); p += 2;
 388     }
 389     else
 390     {
 391         result->dialogEx = FALSE;
 392         result->helpId   = 0;
 393         result->exStyle  = GET_DWORD(p); p += 2;
 394     }
 395     result->nbItems = GET_WORD(p); p++;
 396     result->x       = GET_WORD(p); p++;
 397     result->y       = GET_WORD(p); p++;
 398     result->cx      = GET_WORD(p); p++;
 399     result->cy      = GET_WORD(p); p++;
 400     TRACE("DIALOG%s %d, %d, %d, %d, %ld\n",
 401            result->dialogEx ? "EX" : "", result->x, result->y,
 402            result->cx, result->cy, result->helpId );
 403     TRACE(" STYLE 0x%08lx\n", result->style );
 404     TRACE(" EXSTYLE 0x%08lx\n", result->exStyle );
 405
 406     /* Get the menu name */
 407
 408     switch(GET_WORD(p))
 409     {
 410     case 0x0000:
 411         result->menuName = NULL;
 412         p++;
 413         break;
 414     case 0xffff:
 415         result->menuName = (LPCWSTR)(UINT)GET_WORD( p + 1 );
 416         p += 2;
 417         TRACE(" MENU %04x\n", LOWORD(result->menuName) );
 418         break;
 419     default:
 420         result->menuName = (LPCWSTR)p;
 421         TRACE(" MENU %s\n", debugstr_w(result->menuName) );
 422         p += strlenW( result->menuName ) + 1;
 423         break;
 424     }
 425
 426     /* Get the class name */
 427
 428     switch(GET_WORD(p))
 429     {
 430     case 0x0000:
 431         result->className = DIALOG_CLASS_ATOMW;
 432         p++;
 433         break;
 434     case 0xffff:
 435         result->className = (LPCWSTR)(UINT)GET_WORD( p + 1 );
 436         p += 2;
 437         TRACE(" CLASS %04x\n", LOWORD(result->className) );
 438         break;
 439     default:
 440         result->className = (LPCWSTR)p;
 441         TRACE(" CLASS %s\n", debugstr_w( result->className ));
 442         p += strlenW( result->className ) + 1;
 443         break;
 444     }
 445
 446     /* Get the window caption */
 447
 448     result->caption = (LPCWSTR)p;
 449     p += strlenW( result->caption ) + 1;
 450     TRACE(" CAPTION %s\n", debugstr_w( result->caption ) );
 451
 452     /* Get the font name */
 453
 454     if (result->style & DS_SETFONT)
 455     {
 456         result->pointSize = GET_WORD(p);
 457         p++;
 458         if (result->dialogEx)
 459         {
 460             result->weight = GET_WORD(p); p++;
 461             result->italic = LOBYTE(GET_WORD(p)); p++;
 462         }
 463         else
 464         {
 465             result->weight = FW_DONTCARE;
 466             result->italic = FALSE;
 467         }
 468         result->faceName = (LPCWSTR)p;
 469         p += strlenW( result->faceName ) + 1;
 470         TRACE(" FONT %d, %s, %d, %s\n",
 471               result->pointSize, debugstr_w( result->faceName ),
 472               result->weight, result->italic ? "TRUE" : "FALSE" );
 473     }
 474
 475     /* First control is on dword boundary */
 476     return (LPCSTR)((((int)p) + 3) & ~3);
 477 }
 478
 479
 480 /***********************************************************************
 481  *           DIALOG_CreateIndirect
 482  *       Creates a dialog box window
 483  *
 484  *       modal = TRUE if we are called from a modal dialog box.
 485  *       (it's more compatible to do it here, as under Windows the owner
 486  *       is never disabled if the dialog fails because of an invalid template)
 487  */
 488 static HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCVOID dlgTemplate,
 489                                    HWND owner, DLGPROC dlgProc, LPARAM param,
 490                                    BOOL unicode, BOOL modal )
 491 {
 492     HWND hwnd;
 493     RECT rect;
 494     DLG_TEMPLATE template;
 495     DIALOGINFO * dlgInfo = NULL;
 496     DWORD units = GetDialogBaseUnits();
 497     BOOL ownerEnabled = TRUE;
 498     HMENU hMenu = 0;
 499     HFONT hUserFont = 0;
 500     UINT flags = 0;
 501     UINT xBaseUnit = LOWORD(units);
 502     UINT yBaseUnit = HIWORD(units);
 503
 504       /* Parse dialog template */
 505
 506     if (!dlgTemplate) return 0;
 507     dlgTemplate = DIALOG_ParseTemplate32( dlgTemplate, &template );
 508
 509       /* Load menu */
 510
 511     if (template.menuName) hMenu = LoadMenuW( hInst, template.menuName );
 512
 513       /* Create custom font if needed */
 514
 515     if (template.style & DS_SETFONT)
 516     {
 517           /* We convert the size to pixels and then make it -ve.  This works
 518            * for both +ve and -ve template.pointSize */
 519         HDC dc;
 520         int pixels;
 521         dc = GetDC(0);
 522         pixels = MulDiv(template.pointSize, GetDeviceCaps(dc , LOGPIXELSY), 72);
 523         hUserFont = CreateFontW( -pixels, 0, 0, 0, template.weight,
 524                                           template.italic, FALSE, FALSE, DEFAULT_CHARSET, 0, 0,
 525                                           PROOF_QUALITY, FF_DONTCARE,
 526                                           template.faceName );
 527         if (hUserFont)
 528         {
 529             SIZE charSize;
 530             if (DIALOG_GetCharSize( dc, hUserFont, &charSize ))
 531             {
 532                 xBaseUnit = charSize.cx;
 533                 yBaseUnit = charSize.cy;
 534             }
 535         }
 536         ReleaseDC(0, dc);
 537         TRACE("units = %d,%d\n", xBaseUnit, yBaseUnit );
 538     }
 539
 540     /* Create dialog main window */
 541
 542     rect.left = rect.top = 0;
 543     rect.right = MulDiv(template.cx, xBaseUnit, 4);
 544     rect.bottom =  MulDiv(template.cy, yBaseUnit, 8);
 545     if (template.style & WS_CHILD)
 546         template.style &= ~(WS_CAPTION|WS_SYSMENU);
 547     if (template.style & DS_MODALFRAME)
 548         template.exStyle |= WS_EX_DLGMODALFRAME;
 549     if (template.style & DS_CONTROL)
 550         template.exStyle |= WS_EX_CONTROLPARENT;
 551     AdjustWindowRectEx( &rect, template.style, (hMenu != 0), template.exStyle );
 552     rect.right -= rect.left;
 553     rect.bottom -= rect.top;
 554
 555     if (template.x == CW_USEDEFAULT16)
 556     {
 557         rect.left = rect.top = CW_USEDEFAULT;
 558     }
 559     else
 560     {
 561         if (template.style & DS_CENTER)
 562         {
 563             rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
 564             rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
 565         }
 566         else
 567         {
 568             rect.left += MulDiv(template.x, xBaseUnit, 4);
 569             rect.top += MulDiv(template.y, yBaseUnit, 8);
 570         }
 571         if ( !(template.style & WS_CHILD) )
 572         {
 573             INT dX, dY;
 574
 575             if( !(template.style & DS_ABSALIGN) )
 576                 ClientToScreen( owner, (POINT *)&rect );
 577
 578             /* try to fit it into the desktop */
 579
 580             if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
 581                  - GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
 582             if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
 583                  - GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
 584             if( rect.left < 0 ) rect.left = 0;
 585             if( rect.top < 0 ) rect.top = 0;
 586         }
 587     }
 588
 589     if (modal)
 590     {
 591         ownerEnabled = DIALOG_DisableOwner( owner );
 592         if (ownerEnabled) flags |= DF_OWNERENABLED;
 593     }
 594
 595     if (unicode)
 596     {
 597         hwnd = CreateWindowExW(template.exStyle, template.className, template.caption,
 598                                template.style & ~WS_VISIBLE,
 599                                rect.left, rect.top, rect.right, rect.bottom,
 600                                owner, hMenu, hInst, NULL );
 601     }
 602     else
 603     {
 604         LPSTR class = (LPSTR)template.className;
 605         LPSTR caption = (LPSTR)template.caption;
 606
 607         if (HIWORD(class))
 608         {
 609             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.className, -1, NULL, 0, NULL, NULL );
 610             class = HeapAlloc( GetProcessHeap(), 0, len );
 611             WideCharToMultiByte( CP_ACP, 0, template.className, -1, class, len, NULL, NULL );
 612         }
 613         if (HIWORD(caption))
 614         {
 615             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.caption, -1, NULL, 0, NULL, NULL );
 616             caption = HeapAlloc( GetProcessHeap(), 0, len );
 617             WideCharToMultiByte( CP_ACP, 0, template.caption, -1, caption, len, NULL, NULL );
 618         }
 619         hwnd = CreateWindowExA(template.exStyle, class, caption,
 620                                template.style & ~WS_VISIBLE,
 621                                rect.left, rect.top, rect.right, rect.bottom,
 622                                owner, hMenu, hInst, NULL );
 623         if (HIWORD(class)) HeapFree( GetProcessHeap(), 0, class );
 624         if (HIWORD(caption)) HeapFree( GetProcessHeap(), 0, caption );
 625     }
 626
 627     if (!hwnd)
 628     {
 629         if (hUserFont) DeleteObject( hUserFont );
 630         if (hMenu) DestroyMenu( hMenu );
 631         if (modal && (flags & DF_OWNERENABLED)) DIALOG_EnableOwner(owner);
 632         return 0;
 633     }
 634
 635     /* moved this from the top of the method to here as DIALOGINFO structure
 636     will be valid only after WM_CREATE message has been handled in DefDlgProc
 637     All the members of the structure get filled here using temp variables */
 638     dlgInfo = DIALOG_get_info( hwnd, TRUE );
 639     dlgInfo->hwndFocus   = 0;
 640     dlgInfo->hUserFont   = hUserFont;
 641     dlgInfo->hMenu       = hMenu;
 642     dlgInfo->xBaseUnit   = xBaseUnit;
 643     dlgInfo->yBaseUnit   = yBaseUnit;
 644     dlgInfo->idResult    = 0;
 645     dlgInfo->flags       = flags;
 646     dlgInfo->hDialogHeap = 0;
 647
 648     if (template.helpId) SetWindowContextHelpId( hwnd, template.helpId );
 649
 650     if (unicode) SetWindowLongW( hwnd, DWL_DLGPROC, (LONG)dlgProc );
 651     else SetWindowLongA( hwnd, DWL_DLGPROC, (LONG)dlgProc );
 652
 653     if (dlgInfo->hUserFont)
 654         SendMessageA( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
 655
 656     /* Create controls */
 657
 658     if (DIALOG_CreateControls32( hwnd, dlgTemplate, &template, hInst, unicode ))
 659     {
 660         HWND hwndPreInitFocus;
 661
 662         /* Send initialisation messages and set focus */
 663
 664         dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
 665
 666         hwndPreInitFocus = GetFocus();
 667         if (SendMessageA( hwnd, WM_INITDIALOG, (WPARAM)dlgInfo->hwndFocus, param ))
 668         {
 669             /* check where the focus is again,
 670              * some controls status might have changed in WM_INITDIALOG */
 671             dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
 672             if( dlgInfo->hwndFocus )
 673                 SetFocus( dlgInfo->hwndFocus );
 674         }
 675         else
 676         {
 677             /* If the dlgproc has returned FALSE (indicating handling of keyboard focus)
 678                but the focus has not changed, set the focus where we expect it. */
 679             if ((GetFocus() == hwndPreInitFocus) &&
 680                 (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
 681             {
 682                 dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
 683                 if( dlgInfo->hwndFocus )
 684                     SetFocus( dlgInfo->hwndFocus );
 685             }
 686         }
 687
 688         if (template.style & WS_VISIBLE && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
 689         {
 690            ShowWindow( hwnd, SW_SHOWNORMAL );   /* SW_SHOW doesn't always work */
 691         }
 692         return hwnd;
 693     }
 694     if (modal && ownerEnabled) DIALOG_EnableOwner(owner);
 695     if( IsWindow(hwnd) ) DestroyWindow( hwnd );
 696     return 0;
 697 }
 698
 699
 700 /***********************************************************************
 701  *              CreateDialogParamA (USER32.@)
 702  */
 703 HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name, HWND owner,
 704                                 DLGPROC dlgProc, LPARAM param )
 705 {
 706     HRSRC hrsrc;
 707     LPCDLGTEMPLATEA ptr;
 708
 709     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
 710     if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return 0;
 711     return CreateDialogIndirectParamA( hInst, ptr, owner, dlgProc, param );
 712 }
 713
 714
 715 /***********************************************************************
 716  *              CreateDialogParamW (USER32.@)
 717  */
 718 HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name, HWND owner,
 719                                 DLGPROC dlgProc, LPARAM param )
 720 {
 721     HRSRC hrsrc;
 722     LPCDLGTEMPLATEA ptr;
 723
 724     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
 725     if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return 0;
 726     return CreateDialogIndirectParamW( hInst, ptr, owner, dlgProc, param );
 727 }
 728
 729
 730 /***********************************************************************
 731  *              CreateDialogIndirectParamAorW (USER32.@)
 732  */
 733 HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst, LPCVOID dlgTemplate,
 734                                            HWND owner, DLGPROC dlgProc, LPARAM param,
 735                                            DWORD flags )
 736 {
 737     return DIALOG_CreateIndirect( hInst, dlgTemplate, owner, dlgProc, param, !flags, FALSE );
 738 }
 739
 740 /***********************************************************************
 741  *              CreateDialogIndirectParamA (USER32.@)
 742  */
 743 HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst, LPCDLGTEMPLATEA dlgTemplate,
 744                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 745 {
 746     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 2 );
 747 }
 748
 749 /***********************************************************************
 750  *              CreateDialogIndirectParamW (USER32.@)
 751  */
 752 HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst, LPCDLGTEMPLATEW dlgTemplate,
 753                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 754 {
 755     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 0 );
 756 }
 757
 758
 759 /***********************************************************************
 760  *           DIALOG_DoDialogBox
 761  */
 762 INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
 763 {
 764     DIALOGINFO * dlgInfo;
 765     MSG msg;
 766     INT retval;
 767     HWND ownerMsg = GetAncestor( owner, GA_ROOT );
 768     BOOL bFirstEmpty;
 769
 770     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return -1;
 771
 772     bFirstEmpty = TRUE;
 773     if (!(dlgInfo->flags & DF_END)) /* was EndDialog called in WM_INITDIALOG ? */
 774     {
 775         for (;;)
 776         {
 777             if (!PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
 778             {
 779                 if (bFirstEmpty)
 780                 {
 781                     /* ShowWindow the first time the queue goes empty */
 782                     ShowWindow( hwnd, SW_SHOWNORMAL );
 783                     bFirstEmpty = FALSE;
 784                 }
 785                 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & DS_NOIDLEMSG))
 786                {
 787                     /* No message present -> send ENTERIDLE and wait */
 788                     SendMessageW( ownerMsg, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)hwnd );
 789                 }
 790                 if (!GetMessageW( &msg, 0, 0, 0 )) break;
 791             }
 792
 793             if (!IsWindow( hwnd )) return -1;
 794             if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
 795             {
 796                 TranslateMessage( &msg );
 797                 DispatchMessageW( &msg );
 798             }
 799             if (dlgInfo->flags & DF_END) break;
 800         }
 801     }
 802     if (dlgInfo->flags & DF_OWNERENABLED) DIALOG_EnableOwner( owner );
 803     retval = dlgInfo->idResult;
 804     DestroyWindow( hwnd );
 805     return retval;
 806 }
 807
 808
 809 /***********************************************************************
 810  *              DialogBoxParamA (USER32.@)
 811  */
 812 INT_PTR WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
 813                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 814 {
 815     HWND hwnd;
 816     HRSRC hrsrc;
 817     LPCDLGTEMPLATEA ptr;
 818
 819     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
 820     if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return 0;
 821     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, FALSE, TRUE );
 822     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 823     return -1;
 824 }
 825
 826
 827 /***********************************************************************
 828  *              DialogBoxParamW (USER32.@)
 829  */
 830 INT_PTR WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
 831                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 832 {
 833     HWND hwnd;
 834     HRSRC hrsrc;
 835     LPCDLGTEMPLATEW ptr;
 836
 837     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
 838     if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return 0;
 839     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, TRUE, TRUE );
 840     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 841     return -1;
 842 }
 843
 844
 845 /***********************************************************************
 846  *              DialogBoxIndirectParamAorW (USER32.@)
 847  */
 848 INT_PTR WINAPI DialogBoxIndirectParamAorW( HINSTANCE hInstance, LPCVOID template,
 849                                            HWND owner, DLGPROC dlgProc,
 850                                            LPARAM param, DWORD flags )
 851 {
 852     HWND hwnd = DIALOG_CreateIndirect( hInstance, template, owner, dlgProc, param, !flags, TRUE );
 853     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 854     return -1;
 855 }
 856
 857 /***********************************************************************
 858  *              DialogBoxIndirectParamA (USER32.@)
 859  */
 860 INT_PTR WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCDLGTEMPLATEA template,
 861                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 862 {
 863     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 2 );
 864 }
 865
 866
 867 /***********************************************************************
 868  *              DialogBoxIndirectParamW (USER32.@)
 869  */
 870 INT_PTR WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCDLGTEMPLATEW template,
 871                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 872 {
 873     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 0 );
 874 }
 875
 876 /***********************************************************************
 877  *              EndDialog (USER32.@)
 878  */
 879 BOOL WINAPI EndDialog( HWND hwnd, INT_PTR retval )
 880 {
 881     BOOL wasEnabled = TRUE;
 882     DIALOGINFO * dlgInfo;
 883     HWND owner;
 884
 885     TRACE("%p %d\n", hwnd, retval );
 886
 887     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE )))
 888     {
 889         ERR("got invalid window handle (%p); buggy app !?\n", hwnd);
 890         return FALSE;
 891     }
 892     dlgInfo->idResult = retval;
 893     dlgInfo->flags |= DF_END;
 894     wasEnabled = (dlgInfo->flags & DF_OWNERENABLED);
 895
 896     if (wasEnabled && (owner = GetWindow( hwnd, GW_OWNER )))
 897         DIALOG_EnableOwner( owner );
 898
 899     /* Windows sets the focus to the dialog itself in EndDialog */
 900
 901     if (IsChild(hwnd, GetFocus()))
 902        SetFocus( hwnd );
 903
 904     /* Don't have to send a ShowWindow(SW_HIDE), just do
 905        SetWindowPos with SWP_HIDEWINDOW as done in Windows */
 906
 907     SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
 908                  | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
 909
 910     if (hwnd == GetActiveWindow()) WINPOS_ActivateOtherWindow( hwnd );
 911
 912     /* unblock dialog loop */
 913     PostMessageA(hwnd, WM_NULL, 0, 0);
 914     return TRUE;
 915 }
 916
 917
 918 /***********************************************************************
 919  *           DIALOG_IsAccelerator
 920  */
 921 static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
 922 {
 923     HWND hwndControl = hwnd;
 924     HWND hwndNext;
 925     INT dlgCode;
 926     WCHAR buffer[128];
 927
 928     do
 929     {
 930         DWORD style = GetWindowLongW( hwndControl, GWL_STYLE );
 931         if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
 932         {
 933             dlgCode = SendMessageA( hwndControl, WM_GETDLGCODE, 0, 0 );
 934             if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
 935                  GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
 936             {
 937                 /* find the accelerator key */
 938                 LPWSTR p = buffer - 2;
 939
 940                 do
 941                 {
 942                     p = strchrW( p + 2, '&' );
 943                 }
 944                 while (p != NULL && p[1] == '&');
 945
 946                 /* and check if it's the one we're looking for */
 947                 if (p != NULL && toupperW( p[1] ) == toupperW( wParam ) )
 948                 {
 949                     if ((dlgCode & DLGC_STATIC) || (style & 0x0f) == BS_GROUPBOX )
 950                     {
 951                         /* set focus to the control */
 952                         SendMessageA( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndControl, 1);
 953                         /* and bump it on to next */
 954                         SendMessageA( hwndDlg, WM_NEXTDLGCTL, 0, 0);
 955                     }
 956                     else if (dlgCode & DLGC_BUTTON)
 957                     {
 958                         /* send BM_CLICK message to the control */
 959                         SendMessageA( hwndControl, BM_CLICK, 0, 0 );
 960                     }
 961                     return TRUE;
 962                 }
 963             }
 964             hwndNext = GetWindow( hwndControl, GW_CHILD );
 965         }
 966         else hwndNext = 0;
 967
 968         if (!hwndNext) hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
 969
 970         while (!hwndNext && hwndControl)
 971         {
 972             hwndControl = GetParent( hwndControl );
 973             if (hwndControl == hwndDlg)
 974             {
 975                 if(hwnd==hwndDlg)   /* prevent endless loop */
 976                 {
 977                     hwndNext=hwnd;
 978                     break;
 979                 }
 980                 hwndNext = GetWindow( hwndDlg, GW_CHILD );
 981             }
 982             else
 983                 hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
 984         }
 985         hwndControl = hwndNext;
 986     }
 987     while (hwndControl && (hwndControl != hwnd));
 988
 989     return FALSE;
 990 }
 991
 992 /***********************************************************************
 993  *           DIALOG_FindMsgDestination
 994  *
 995  * The messages that IsDialogMessage sends may not go to the dialog
 996  * calling IsDialogMessage if that dialog is a child, and it has the
 997  * DS_CONTROL style set.
 998  * We propagate up until we hit one that does not have DS_CONTROL, or
 999  * whose parent is not a dialog.
1000  *
1001  * This is undocumented behaviour.
1002  */
1003 static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
1004 {
1005     while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
1006     {
1007         WND *pParent;
1008         HWND hParent = GetParent(hwndDlg);
1009         if (!hParent) break;
1010
1011         pParent = WIN_FindWndPtr(hParent);
1012         if (!pParent) break;
1013
1014         if (!(pParent->flags & WIN_ISDIALOG))
1015         {
1016             WIN_ReleaseWndPtr(pParent);
1017             break;
1018         }
1019         WIN_ReleaseWndPtr(pParent);
1020
1021         hwndDlg = hParent;
1022     }
1023
1024     return hwndDlg;
1025 }
1026
1027 /***********************************************************************
1028  *              DIALOG_FixOneChildOnChangeFocus
1029  *
1030  * Callback helper for DIALOG_FixChildrenOnChangeFocus
1031  */
1032
1033 static BOOL CALLBACK DIALOG_FixOneChildOnChangeFocus (HWND hwndChild,
1034         LPARAM lParam)
1035 {
1036     /* If a default pushbutton then no longer default */
1037     if (DLGC_DEFPUSHBUTTON & SendMessageW (hwndChild, WM_GETDLGCODE, 0, 0))
1038         SendMessageW (hwndChild, BM_SETSTYLE, BS_PUSHBUTTON, TRUE);
1039     return TRUE;
1040 }
1041
1042 /***********************************************************************
1043  *              DIALOG_FixChildrenOnChangeFocus
1044  *
1045  * Following the change of focus that occurs for example after handling
1046  * a WM_KEYDOWN VK_TAB in IsDialogMessage, some tidying of the dialog's
1047  * children may be required.
1048  */
1049 static void DIALOG_FixChildrenOnChangeFocus (HWND hwndDlg, HWND hwndNext)
1050 {
1051     INT dlgcode_next = SendMessageW (hwndNext, WM_GETDLGCODE, 0, 0);
1052     /* INT dlgcode_dlg  = SendMessageW (hwndDlg, WM_GETDLGCODE, 0, 0); */
1053     /* Windows does ask for this.  I don't know why yet */
1054
1055     EnumChildWindows (hwndDlg, DIALOG_FixOneChildOnChangeFocus, 0);
1056
1057     /* If the button that is getting the focus WAS flagged as the default
1058      * pushbutton then ask the dialog what it thinks the default is and
1059      * set that in the default style.
1060      */
1061     if (dlgcode_next & DLGC_DEFPUSHBUTTON)
1062     {
1063         DWORD def_id = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0);
1064         if (HIWORD(def_id) == DC_HASDEFID)
1065         {
1066             HWND hwndDef;
1067             def_id = LOWORD(def_id);
1068             hwndDef = GetDlgItem (hwndDlg, def_id);
1069             if (hwndDef)
1070             {
1071                 INT dlgcode_def = SendMessageW (hwndDef, WM_GETDLGCODE, 0, 0);
1072                 /* I know that if it is a button then it should already be a
1073                  * UNDEFPUSHBUTTON, since we have just told the buttons to
1074                  * change style.  But maybe they ignored our request
1075                  */
1076                 if ((dlgcode_def & DLGC_BUTTON) &&
1077                         (dlgcode_def &  DLGC_UNDEFPUSHBUTTON))
1078                 {
1079                     SendMessageW (hwndDef, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1080                 }
1081             }
1082         }
1083     }
1084     else
1085     {
1086         SendMessageW (hwndNext, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1087         /* I wonder why it doesn't send a DM_SETDEFID */
1088     }
1089 }
1090
1091 /***********************************************************************
1092  *              IsDialogMessageW (USER32.@)
1093  */
1094 BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
1095 {
1096     INT dlgCode = 0;
1097
1098     if (CallMsgFilterW( msg, MSGF_DIALOGBOX )) return TRUE;
1099
1100     hwndDlg = WIN_GetFullHandle( hwndDlg );
1101     if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
1102
1103     hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
1104
1105     switch(msg->message)
1106     {
1107     case WM_KEYDOWN:
1108         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1109         if (dlgCode & DLGC_WANTMESSAGE) break;
1110
1111         switch(msg->wParam)
1112         {
1113         case VK_TAB:
1114             if (!(dlgCode & DLGC_WANTTAB))
1115             {
1116                 BOOL fIsDialog = TRUE;
1117                 WND *pWnd = WIN_GetPtr( hwndDlg );
1118
1119                 if (pWnd && pWnd != WND_OTHER_PROCESS)
1120                 {
1121                     fIsDialog = (pWnd->flags & WIN_ISDIALOG) != 0;
1122                     WIN_ReleasePtr(pWnd);
1123                 }
1124
1125                 /* I am not sure under which circumstances the TAB is handled
1126                  * each way.  All I do know is that it does not always simply
1127                  * send WM_NEXTDLGCTL.  (Personally I have never yet seen it
1128                  * do so but I presume someone has)
1129                  */
1130                 if (fIsDialog)
1131                     SendMessageW( hwndDlg, WM_NEXTDLGCTL, (GetKeyState(VK_SHIFT) & 0x8000), 0 );
1132                 else
1133                 {
1134                     /* It would appear that GetNextDlgTabItem can handle being
1135                      * passed hwndDlg rather than NULL but that is undocumented
1136                      * so let's do it properly
1137                      */
1138                     HWND hwndFocus = GetFocus();
1139                     HWND hwndNext = GetNextDlgTabItem (hwndDlg,
1140                             hwndFocus == hwndDlg ? NULL : hwndFocus,
1141                             GetKeyState (VK_SHIFT) & 0x8000);
1142                     if (hwndNext)
1143                     {
1144                         dlgCode = SendMessageW (hwndNext, WM_GETDLGCODE,
1145                                 msg->wParam, (LPARAM)msg);
1146                         if (dlgCode & DLGC_HASSETSEL)
1147                         {
1148                             INT maxlen = 1 + SendMessageW (hwndNext, WM_GETTEXTLENGTH, 0, 0);
1149                             WCHAR *buffer = HeapAlloc (GetProcessHeap(), 0, maxlen * sizeof(WCHAR));
1150                             if (buffer)
1151                             {
1152                                 INT length;
1153                                 SendMessageW (hwndNext, WM_GETTEXT, maxlen, (LPARAM) buffer);
1154                                 length = strlenW (buffer);
1155                                 HeapFree (GetProcessHeap(), 0, buffer);
1156                                 SendMessageW (hwndNext, EM_SETSEL, 0, length);
1157                             }
1158                         }
1159                         SetFocus (hwndNext);
1160                         DIALOG_FixChildrenOnChangeFocus (hwndDlg, hwndNext);
1161                     }
1162                     else
1163                         return FALSE;
1164                 }
1165                 return TRUE;
1166             }
1167             break;
1168
1169         case VK_RIGHT:
1170         case VK_DOWN:
1171         case VK_LEFT:
1172         case VK_UP:
1173             if (!(dlgCode & DLGC_WANTARROWS))
1174             {
1175                 BOOL fPrevious = (msg->wParam == VK_LEFT || msg->wParam == VK_UP);
1176                 HWND hwndNext = GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
1177                 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndNext, 1 );
1178                 return TRUE;
1179             }
1180             break;
1181
1182         case VK_CANCEL:
1183         case VK_ESCAPE:
1184             SendMessageW( hwndDlg, WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
1185             return TRUE;
1186
1187         case VK_EXECUTE:
1188         case VK_RETURN:
1189             {
1190                 DWORD dw;
1191                 if ((GetFocus() == msg->hwnd) &&
1192                     (SendMessageW (msg->hwnd, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
1193                 {
1194                     SendMessageW (hwndDlg, WM_COMMAND, MAKEWPARAM (GetDlgCtrlID(msg->hwnd),BN_CLICKED), (LPARAM)msg->hwnd);
1195                 }
1196                 else if (DC_HASDEFID == HIWORD(dw = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0)))
1197                 {
1198                     SendMessageW( hwndDlg, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
1199                                     (LPARAM)GetDlgItem(hwndDlg, LOWORD(dw)));
1200                 }
1201                 else
1202                 {
1203                     SendMessageW( hwndDlg, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
1204
1205                 }
1206             }
1207             return TRUE;
1208         }
1209         break;
1210
1211     case WM_CHAR:
1212         /* FIXME Under what circumstances does WM_GETDLGCODE get sent?
1213          * It does NOT get sent in the test program I have
1214          */
1215         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1216         if (dlgCode & (DLGC_WANTCHARS|DLGC_WANTMESSAGE)) break;
1217         if (msg->wParam == '\t' && (dlgCode & DLGC_WANTTAB)) break;
1218         /* drop through */
1219
1220     case WM_SYSCHAR:
1221         if (DIALOG_IsAccelerator( WIN_GetFullHandle(msg->hwnd), hwndDlg, msg->wParam ))
1222         {
1223             /* don't translate or dispatch */
1224             return TRUE;
1225         }
1226         break;
1227     }
1228
1229     TranslateMessage( msg );
1230     DispatchMessageW( msg );
1231     return TRUE;
1232 }
1233
1234
1235 /***********************************************************************
1236  *              GetDlgCtrlID (USER32.@)
1237  */
1238 INT WINAPI GetDlgCtrlID( HWND hwnd )
1239 {
1240     return GetWindowLongW( hwnd, GWL_ID );
1241 }
1242
1243
1244 /***********************************************************************
1245  *              GetDlgItem (USER32.@)
1246  */
1247 HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
1248 {
1249     int i;
1250     HWND *list = WIN_ListChildren( hwndDlg );
1251     HWND ret = 0;
1252
1253     if (!list) return 0;
1254
1255     for (i = 0; list[i]; i++) if (GetWindowLongW( list[i], GWL_ID ) == id) break;
1256     ret = list[i];
1257     HeapFree( GetProcessHeap(), 0, list );
1258     return ret;
1259 }
1260
1261
1262 /*******************************************************************
1263  *              SendDlgItemMessageA (USER32.@)
1264  */
1265 LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
1266                                       WPARAM wParam, LPARAM lParam )
1267 {
1268     HWND hwndCtrl = GetDlgItem( hwnd, id );
1269     if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
1270     else return 0;
1271 }
1272
1273
1274 /*******************************************************************
1275  *              SendDlgItemMessageW (USER32.@)
1276  */
1277 LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
1278                                       WPARAM wParam, LPARAM lParam )
1279 {
1280     HWND hwndCtrl = GetDlgItem( hwnd, id );
1281     if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
1282     else return 0;
1283 }
1284
1285
1286 /*******************************************************************
1287  *              SetDlgItemTextA (USER32.@)
1288  */
1289 BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
1290 {
1291     return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1292 }
1293
1294
1295 /*******************************************************************
1296  *              SetDlgItemTextW (USER32.@)
1297  */
1298 BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
1299 {
1300     return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1301 }
1302
1303
1304 /***********************************************************************
1305  *              GetDlgItemTextA (USER32.@)
1306  */
1307 INT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, UINT len )
1308 {
1309     return (INT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
1310                                          len, (LPARAM)str );
1311 }
1312
1313
1314 /***********************************************************************
1315  *              GetDlgItemTextW (USER32.@)
1316  */
1317 INT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, UINT len )
1318 {
1319     return (INT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
1320                                          len, (LPARAM)str );
1321 }
1322
1323
1324 /*******************************************************************
1325  *              SetDlgItemInt (USER32.@)
1326  */
1327 BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
1328                              BOOL fSigned )
1329 {
1330     char str[20];
1331
1332     if (fSigned) sprintf( str, "%d", (INT)value );
1333     else sprintf( str, "%u", value );
1334     SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
1335     return TRUE;
1336 }
1337
1338
1339 /***********************************************************************
1340  *              GetDlgItemInt (USER32.@)
1341  */
1342 UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
1343                                BOOL fSigned )
1344 {
1345     char str[30];
1346     char * endptr;
1347     long result = 0;
1348
1349     if (translated) *translated = FALSE;
1350     if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
1351         return 0;
1352     if (fSigned)
1353     {
1354         result = strtol( str, &endptr, 10 );
1355         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1356             return 0;
1357         if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
1358             return 0;
1359     }
1360     else
1361     {
1362         result = strtoul( str, &endptr, 10 );
1363         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1364             return 0;
1365         if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
1366     }
1367     if (translated) *translated = TRUE;
1368     return (UINT)result;
1369 }
1370
1371
1372 /***********************************************************************
1373  *              CheckDlgButton (USER32.@)
1374  */
1375 BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
1376 {
1377     SendDlgItemMessageA( hwnd, id, BM_SETCHECK, check, 0 );
1378     return TRUE;
1379 }
1380
1381
1382 /***********************************************************************
1383  *              IsDlgButtonChecked (USER32.@)
1384  */
1385 UINT WINAPI IsDlgButtonChecked( HWND hwnd, UINT id )
1386 {
1387     return (UINT)SendDlgItemMessageA( hwnd, id, BM_GETCHECK, 0, 0 );
1388 }
1389
1390
1391 /***********************************************************************
1392  *           CheckRB
1393  *
1394  * Callback function used to check/uncheck radio buttons that fall
1395  * within a specific range of IDs.
1396  */
1397 static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
1398 {
1399     LONG lChildID = GetWindowLongA(hwndChild, GWL_ID);
1400     RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
1401
1402     if ((lChildID >= lpRadioGroup->firstID) &&
1403         (lChildID <= lpRadioGroup->lastID))
1404     {
1405         if (lChildID == lpRadioGroup->checkID)
1406         {
1407             SendMessageA(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
1408         }
1409         else
1410         {
1411             SendMessageA(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
1412         }
1413     }
1414
1415     return TRUE;
1416 }
1417
1418
1419 /***********************************************************************
1420  *              CheckRadioButton (USER32.@)
1421  */
1422 BOOL WINAPI CheckRadioButton( HWND hwndDlg, UINT firstID,
1423                               UINT lastID, UINT checkID )
1424 {
1425     RADIOGROUP radioGroup;
1426
1427     radioGroup.firstID = firstID;
1428     radioGroup.lastID = lastID;
1429     radioGroup.checkID = checkID;
1430
1431     return EnumChildWindows(hwndDlg, (WNDENUMPROC)CheckRB,
1432                             (LPARAM)&radioGroup);
1433 }
1434
1435
1436 /***********************************************************************
1437  *              GetDialogBaseUnits (USER.243)
1438  *              GetDialogBaseUnits (USER32.@)
1439  */
1440 DWORD WINAPI GetDialogBaseUnits(void)
1441 {
1442     static DWORD units;
1443
1444     if (!units)
1445     {
1446         HDC hdc;
1447         SIZE size;
1448
1449         if ((hdc = GetDC(0)))
1450         {
1451             if (DIALOG_GetCharSize( hdc, 0, &size )) units = MAKELONG( size.cx, size.cy );
1452             ReleaseDC( 0, hdc );
1453         }
1454         TRACE("base units = %d,%d\n", LOWORD(units), HIWORD(units) );
1455     }
1456     return units;
1457 }
1458
1459
1460 /***********************************************************************
1461  *              MapDialogRect (USER32.@)
1462  */
1463 BOOL WINAPI MapDialogRect( HWND hwnd, LPRECT rect )
1464 {
1465     DIALOGINFO * dlgInfo;
1466     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return FALSE;
1467     rect->left   = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
1468     rect->right  = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
1469     rect->top    = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
1470     rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
1471     return TRUE;
1472 }
1473
1474
1475 /***********************************************************************
1476  *              GetNextDlgGroupItem (USER32.@)
1477  *
1478  * Corrections to MSDN documentation
1479  *
1480  * (Under Windows 2000 at least, where hwndDlg is not actually a dialog)
1481  * 1. hwndCtrl can be hwndDlg in which case it behaves as for NULL
1482  * 2. Prev of NULL or hwndDlg fails
1483  */
1484 HWND WINAPI GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1485 {
1486     HWND hwnd, hwndNext, retvalue, hwndLastGroup = 0;
1487     BOOL fLooped=FALSE;
1488     BOOL fSkipping=FALSE;
1489
1490     hwndDlg = WIN_GetFullHandle( hwndDlg );
1491     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1492
1493     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1494     if (!hwndCtrl && fPrevious) return 0;
1495
1496     if (hwndCtrl)
1497     {
1498         if (!IsChild (hwndDlg, hwndCtrl)) return 0;
1499     }
1500     else
1501     {
1502         /* No ctrl specified -> start from the beginning */
1503         if (!(hwndCtrl = GetWindow( hwndDlg, GW_CHILD ))) return 0;
1504         /* MSDN is wrong. fPrevious does not result in the last child */
1505
1506         /* Maybe that first one is valid.  If so then we don't want to skip it*/
1507         if ((GetWindowLongW( hwndCtrl, GWL_STYLE ) & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE)
1508         {
1509             return hwndCtrl;
1510         }
1511     }
1512
1513     /* Always go forward around the group and list of controls; for the
1514      * previous control keep track; for the next break when you find one
1515      */
1516     retvalue = hwndCtrl;
1517     hwnd = hwndCtrl;
1518     while (hwndNext = GetWindow (hwnd, GW_HWNDNEXT),
1519            1)
1520     {
1521         while (!hwndNext)
1522         {
1523             /* Climb out until there is a next sibling of the ancestor or we
1524              * reach the top (in which case we loop back to the start)
1525              */
1526             if (hwndDlg == GetParent (hwnd))
1527             {
1528                 /* Wrap around to the beginning of the list, within the same
1529                  * group. (Once only)
1530                  */
1531                 if (fLooped) goto end;
1532                 fLooped = TRUE;
1533                 hwndNext = GetWindow (hwndDlg, GW_CHILD);
1534             }
1535             else
1536             {
1537                 hwnd = GetParent (hwnd);
1538                 hwndNext = GetWindow (hwnd, GW_HWNDNEXT);
1539             }
1540         }
1541         hwnd = hwndNext;
1542
1543         /* Wander down the leading edge of controlparents */
1544         while ( (GetWindowLongW (hwnd, GWL_EXSTYLE) & WS_EX_CONTROLPARENT) &&
1545                 ((GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE) &&
1546                 (hwndNext = GetWindow (hwnd, GW_CHILD)))
1547             hwnd = hwndNext;
1548         /* Question.  If the control is a control parent but either has no
1549          * children or is not visible/enabled then if it has a WS_GROUP does
1550          * it count?  For that matter does it count anyway?
1551          * I believe it doesn't count.
1552          */
1553
1554         if ((GetWindowLongW (hwnd, GWL_STYLE) & WS_GROUP))
1555         {
1556             hwndLastGroup = hwnd;
1557             if (!fSkipping)
1558             {
1559                 /* Look for the beginning of the group */
1560                 fSkipping = TRUE;
1561             }
1562         }
1563
1564         if (hwnd == hwndCtrl)
1565         {
1566             if (!fSkipping) break;
1567             if (hwndLastGroup == hwnd) break;
1568             hwnd = hwndLastGroup;
1569             fSkipping = FALSE;
1570             fLooped = FALSE;
1571         }
1572
1573         if (!fSkipping &&
1574             (GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE|WS_DISABLED)) ==
1575              WS_VISIBLE)
1576         {
1577             retvalue = hwnd;
1578             if (!fPrevious) break;
1579         }
1580     }
1581 end:
1582     return retvalue;
1583 }
1584
1585
1586 /***********************************************************************
1587  *           DIALOG_GetNextTabItem
1588  *
1589  * Recursive helper for GetNextDlgTabItem
1590  */
1591 static HWND DIALOG_GetNextTabItem( HWND hwndMain, HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1592 {
1593     LONG dsStyle;
1594     LONG exStyle;
1595     UINT wndSearch = fPrevious ? GW_HWNDPREV : GW_HWNDNEXT;
1596     HWND retWnd = 0;
1597     HWND hChildFirst = 0;
1598
1599     if(!hwndCtrl)
1600     {
1601         hChildFirst = GetWindow(hwndDlg,GW_CHILD);
1602         if(fPrevious) hChildFirst = GetWindow(hChildFirst,GW_HWNDLAST);
1603     }
1604     else if (IsChild( hwndMain, hwndCtrl ))
1605     {
1606         hChildFirst = GetWindow(hwndCtrl,wndSearch);
1607         if(!hChildFirst)
1608         {
1609             if(GetParent(hwndCtrl) != hwndMain)
1610                 /* i.e. if we are not at the top level of the recursion */
1611                 hChildFirst = GetWindow(GetParent(hwndCtrl),wndSearch);
1612             else
1613                 hChildFirst = GetWindow(hwndCtrl, fPrevious ? GW_HWNDLAST : GW_HWNDFIRST);
1614         }
1615     }
1616
1617     while(hChildFirst)
1618     {
1619         dsStyle = GetWindowLongA(hChildFirst,GWL_STYLE);
1620         exStyle = GetWindowLongA(hChildFirst,GWL_EXSTYLE);
1621         if( (exStyle & WS_EX_CONTROLPARENT) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1622         {
1623             HWND retWnd;
1624             retWnd = DIALOG_GetNextTabItem(hwndMain,hChildFirst,NULL,fPrevious );
1625             if (retWnd) return (retWnd);
1626         }
1627         else if( (dsStyle & WS_TABSTOP) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1628         {
1629             return (hChildFirst);
1630         }
1631         hChildFirst = GetWindow(hChildFirst,wndSearch);
1632     }
1633     if(hwndCtrl)
1634     {
1635         HWND hParent = GetParent(hwndCtrl);
1636         while(hParent)
1637         {
1638             if(hParent == hwndMain) break;
1639             retWnd = DIALOG_GetNextTabItem(hwndMain,GetParent(hParent),hParent,fPrevious );
1640             if(retWnd) break;
1641             hParent = GetParent(hParent);
1642         }
1643         if(!retWnd)
1644             retWnd = DIALOG_GetNextTabItem(hwndMain,hwndMain,NULL,fPrevious );
1645     }
1646     return retWnd ? retWnd : hwndCtrl;
1647 }
1648
1649 /***********************************************************************
1650  *              GetNextDlgTabItem (USER32.@)
1651  */
1652 HWND WINAPI GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl,
1653                                    BOOL fPrevious )
1654 {
1655     hwndDlg = WIN_GetFullHandle( hwndDlg );
1656     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1657
1658     /* Undocumented but tested under Win2000 and WinME */
1659     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1660
1661     /* Contrary to MSDN documentation, tested under Win2000 and WinME
1662      * NB GetLastError returns whatever was set before the function was
1663      * called.
1664      */
1665     if (!hwndCtrl && fPrevious) return 0;
1666
1667     return DIALOG_GetNextTabItem(hwndDlg,hwndDlg,hwndCtrl,fPrevious);
1668 }
1669
1670 /**********************************************************************
1671  *           DIALOG_DlgDirSelect
1672  *
1673  * Helper function for DlgDirSelect*
1674  */
1675 static BOOL DIALOG_DlgDirSelect( HWND hwnd, LPSTR str, INT len,
1676                                  INT id, BOOL unicode, BOOL combo )
1677 {
1678     char *buffer, *ptr;
1679     INT item, size;
1680     BOOL ret;
1681     HWND listbox = GetDlgItem( hwnd, id );
1682
1683     TRACE("%p '%s' %d\n", hwnd, str, id );
1684     if (!listbox) return FALSE;
1685
1686     item = SendMessageA(listbox, combo ? CB_GETCURSEL : LB_GETCURSEL, 0, 0 );
1687     if (item == LB_ERR) return FALSE;
1688     size = SendMessageA(listbox, combo ? CB_GETLBTEXTLEN : LB_GETTEXTLEN, 0, 0 );
1689     if (size == LB_ERR) return FALSE;
1690
1691     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, size+1 ))) return FALSE;
1692
1693     SendMessageA( listbox, combo ? CB_GETLBTEXT : LB_GETTEXT, item, (LPARAM)buffer );
1694
1695     if ((ret = (buffer[0] == '[')))  /* drive or directory */
1696     {
1697         if (buffer[1] == '-')  /* drive */
1698         {
1699             buffer[3] = ':';
1700             buffer[4] = 0;
1701             ptr = buffer + 2;
1702         }
1703         else
1704         {
1705             buffer[strlen(buffer)-1] = '\\';
1706             ptr = buffer + 1;
1707         }
1708     }
1709     else ptr = buffer;
1710
1711     if (unicode)
1712     {
1713         if (len > 0 && !MultiByteToWideChar( CP_ACP, 0, ptr, -1, (LPWSTR)str, len ))
1714             ((LPWSTR)str)[len-1] = 0;
1715     }
1716     else lstrcpynA( str, ptr, len );
1717     HeapFree( GetProcessHeap(), 0, buffer );
1718     TRACE("Returning %d '%s'\n", ret, str );
1719     return ret;
1720 }
1721
1722
1723 /**********************************************************************
1724  *          DIALOG_DlgDirListW
1725  *
1726  * Helper function for DlgDirList*W
1727  */
1728 static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1729                                INT idStatic, UINT attrib, BOOL combo )
1730 {
1731     HWND hwnd;
1732     LPWSTR orig_spec = spec;
1733     WCHAR any[] = {'*','.','*',0};
1734
1735 #define SENDMSG(msg,wparam,lparam) \
1736     ((attrib & DDL_POSTMSGS) ? PostMessageW( hwnd, msg, wparam, lparam ) \
1737                              : SendMessageW( hwnd, msg, wparam, lparam ))
1738
1739     TRACE("%p %s %d %d %04x\n", hDlg, debugstr_w(spec), idLBox, idStatic, attrib );
1740
1741     /* If the path exists and is a directory, chdir to it */
1742     if (!spec || !spec[0] || SetCurrentDirectoryW( spec )) spec = any;
1743     else
1744     {
1745         WCHAR *p, *p2;
1746         p = spec;
1747         if ((p2 = strrchrW( p, '\\' ))) p = p2;
1748         if ((p2 = strrchrW( p, '/' ))) p = p2;
1749         if (p != spec)
1750         {
1751             WCHAR sep = *p;
1752             *p = 0;
1753             if (!SetCurrentDirectoryW( spec ))
1754             {
1755                 *p = sep;  /* Restore the original spec */
1756                 return FALSE;
1757             }
1758             spec = p + 1;
1759         }
1760     }
1761
1762     TRACE( "mask=%s\n", debugstr_w(spec) );
1763
1764     if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
1765     {
1766         SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
1767         if (attrib & DDL_DIRECTORY)
1768         {
1769             if (!(attrib & DDL_EXCLUSIVE))
1770             {
1771                 if (SENDMSG( combo ? CB_DIR : LB_DIR,
1772                              attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
1773                              (LPARAM)spec ) == LB_ERR)
1774                     return FALSE;
1775             }
1776             if (SENDMSG( combo ? CB_DIR : LB_DIR,
1777                        (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
1778                          (LPARAM)any ) == LB_ERR)
1779                 return FALSE;
1780         }
1781         else
1782         {
1783             if (SENDMSG( combo ? CB_DIR : LB_DIR, attrib,
1784                          (LPARAM)spec ) == LB_ERR)
1785                 return FALSE;
1786         }
1787     }
1788
1789     if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
1790     {
1791         WCHAR temp[MAX_PATH];
1792         GetCurrentDirectoryW( sizeof(temp)/sizeof(WCHAR), temp );
1793         CharLowerW( temp );
1794         /* Can't use PostMessage() here, because the string is on the stack */
1795         SetDlgItemTextW( hDlg, idStatic, temp );
1796     }
1797
1798     if (orig_spec && (spec != orig_spec))
1799     {
1800         /* Update the original file spec */
1801         WCHAR *p = spec;
1802         while ((*orig_spec++ = *p++));
1803     }
1804
1805     return TRUE;
1806 #undef SENDMSG
1807 }
1808
1809
1810 /**********************************************************************
1811  *          DIALOG_DlgDirListA
1812  *
1813  * Helper function for DlgDirList*A
1814  */
1815 static INT DIALOG_DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1816                                INT idStatic, UINT attrib, BOOL combo )
1817 {
1818     if (spec)
1819     {
1820         INT ret, len = MultiByteToWideChar( CP_ACP, 0, spec, -1, NULL, 0 );
1821         LPWSTR specW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1822         MultiByteToWideChar( CP_ACP, 0, spec, -1, specW, len );
1823         ret = DIALOG_DlgDirListW( hDlg, specW, idLBox, idStatic, attrib, combo );
1824         WideCharToMultiByte( CP_ACP, 0, specW, -1, spec, 0x7fffffff, NULL, NULL );
1825         HeapFree( GetProcessHeap(), 0, specW );
1826         return ret;
1827     }
1828     return DIALOG_DlgDirListW( hDlg, NULL, idLBox, idStatic, attrib, combo );
1829 }
1830
1831
1832 /**********************************************************************
1833  *              DlgDirSelectExA (USER32.@)
1834  */
1835 BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
1836 {
1837     return DIALOG_DlgDirSelect( hwnd, str, len, id, FALSE, FALSE );
1838 }
1839
1840
1841 /**********************************************************************
1842  *              DlgDirSelectExW (USER32.@)
1843  */
1844 BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
1845 {
1846     return DIALOG_DlgDirSelect( hwnd, (LPSTR)str, len, id, TRUE, FALSE );
1847 }
1848
1849
1850 /**********************************************************************
1851  *              DlgDirSelectComboBoxExA (USER32.@)
1852  */
1853 BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
1854                                          INT id )
1855 {
1856     return DIALOG_DlgDirSelect( hwnd, str, len, id, FALSE, TRUE );
1857 }
1858
1859
1860 /**********************************************************************
1861  *              DlgDirSelectComboBoxExW (USER32.@)
1862  */
1863 BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
1864                                          INT id)
1865 {
1866     return DIALOG_DlgDirSelect( hwnd, (LPSTR)str, len, id, TRUE, TRUE );
1867 }
1868
1869
1870 /**********************************************************************
1871  *              DlgDirListA (USER32.@)
1872  */
1873 INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1874                             INT idStatic, UINT attrib )
1875 {
1876     return DIALOG_DlgDirListA( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1877 }
1878
1879
1880 /**********************************************************************
1881  *              DlgDirListW (USER32.@)
1882  */
1883 INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1884                             INT idStatic, UINT attrib )
1885 {
1886     return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1887 }
1888
1889
1890 /**********************************************************************
1891  *              DlgDirListComboBoxA (USER32.@)
1892  */
1893 INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
1894                                     INT idStatic, UINT attrib )
1895 {
1896     return DIALOG_DlgDirListA( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1897 }
1898
1899
1900 /**********************************************************************
1901  *              DlgDirListComboBoxW (USER32.@)
1902  */
1903 INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
1904                                     INT idStatic, UINT attrib )
1905 {
1906     return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1907 }