dlls/user32/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "user_private.h"
  42 #include "wine/debug.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(dialog);
  45
  46
  47   /* Dialog control information */
  48 typedef struct
  49 {
  50     DWORD      style;
  51     DWORD      exStyle;
  52     DWORD      helpId;
  53     INT16      x;
  54     INT16      y;
  55     INT16      cx;
  56     INT16      cy;
  57     UINT_PTR   id;
  58     LPCWSTR    className;
  59     LPCWSTR    windowName;
  60     LPCVOID    data;
  61 } DLG_CONTROL_INFO;
  62
  63   /* Dialog template */
  64 typedef struct
  65 {
  66     DWORD      style;
  67     DWORD      exStyle;
  68     DWORD      helpId;
  69     UINT16     nbItems;
  70     INT16      x;
  71     INT16      y;
  72     INT16      cx;
  73     INT16      cy;
  74     LPCWSTR    menuName;
  75     LPCWSTR    className;
  76     LPCWSTR    caption;
  77     INT16      pointSize;
  78     WORD       weight;
  79     BOOL       italic;
  80     LPCWSTR    faceName;
  81     BOOL       dialogEx;
  82 } DLG_TEMPLATE;
  83
  84   /* Radio button group */
  85 typedef struct
  86 {
  87     UINT firstID;
  88     UINT lastID;
  89     UINT checkID;
  90 } RADIOGROUP;
  91
  92
  93 /*********************************************************************
  94  * dialog class descriptor
  95  */
  96 const struct builtin_class_descr DIALOG_builtin_class =
  97 {
  98     (LPCSTR)DIALOG_CLASS_ATOM, /* name */
  99     CS_SAVEBITS | CS_DBLCLKS, /* style  */
 100     DefDlgProcA,        /* procA */
 101     DefDlgProcW,        /* procW */
 102     DLGWINDOWEXTRA,     /* extra */
 103     IDC_ARROW,          /* cursor */
 104     0                   /* brush */
 105 };
 106
 107
 108 /***********************************************************************
 109  *           DIALOG_EnableOwner
 110  *
 111  * Helper function for modal dialogs to enable again the
 112  * owner of the dialog box.
 113  */
 114 void DIALOG_EnableOwner( HWND hOwner )
 115 {
 116     /* Owner must be a top-level window */
 117     if (hOwner)
 118         hOwner = GetAncestor( hOwner, GA_ROOT );
 119     if (!hOwner) return;
 120     EnableWindow( hOwner, TRUE );
 121 }
 122
 123
 124 /***********************************************************************
 125  *           DIALOG_DisableOwner
 126  *
 127  * Helper function for modal dialogs to disable the
 128  * owner of the dialog box. Returns TRUE if owner was enabled.
 129  */
 130 BOOL DIALOG_DisableOwner( HWND hOwner )
 131 {
 132     /* Owner must be a top-level window */
 133     if (hOwner)
 134         hOwner = GetAncestor( hOwner, GA_ROOT );
 135     if (!hOwner) return FALSE;
 136     if (IsWindowEnabled( hOwner ))
 137     {
 138         EnableWindow( hOwner, FALSE );
 139         return TRUE;
 140     }
 141     else
 142         return FALSE;
 143 }
 144
 145 /***********************************************************************
 146  *           DIALOG_GetControl32
 147  *
 148  * Return the class and text of the control pointed to by ptr,
 149  * fill the header structure and return a pointer to the next control.
 150  */
 151 static const WORD *DIALOG_GetControl32( const WORD *p, DLG_CONTROL_INFO *info,
 152                                         BOOL dialogEx )
 153 {
 154     if (dialogEx)
 155     {
 156         info->helpId  = GET_DWORD(p); p += 2;
 157         info->exStyle = GET_DWORD(p); p += 2;
 158         info->style   = GET_DWORD(p); p += 2;
 159     }
 160     else
 161     {
 162         info->helpId  = 0;
 163         info->style   = GET_DWORD(p); p += 2;
 164         info->exStyle = GET_DWORD(p); p += 2;
 165     }
 166     info->x       = GET_WORD(p); p++;
 167     info->y       = GET_WORD(p); p++;
 168     info->cx      = GET_WORD(p); p++;
 169     info->cy      = GET_WORD(p); p++;
 170
 171     if (dialogEx)
 172     {
 173         /* id is a DWORD for DIALOGEX */
 174         info->id = GET_DWORD(p);
 175         p += 2;
 176     }
 177     else
 178     {
 179         info->id = GET_WORD(p);
 180         p++;
 181     }
 182
 183     if (GET_WORD(p) == 0xffff)
 184     {
 185         static const WCHAR class_names[6][10] =
 186         {
 187             { 'B','u','t','t','o','n', },             /* 0x80 */
 188             { 'E','d','i','t', },                     /* 0x81 */
 189             { 'S','t','a','t','i','c', },             /* 0x82 */
 190             { 'L','i','s','t','B','o','x', },         /* 0x83 */
 191             { 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
 192             { 'C','o','m','b','o','B','o','x', }      /* 0x85 */
 193         };
 194         WORD id = GET_WORD(p+1);
 195         /* Windows treats dialog control class ids 0-5 same way as 0x80-0x85 */
 196         if ((id >= 0x80) && (id <= 0x85)) id -= 0x80;
 197         if (id <= 5)
 198             info->className = class_names[id];
 199         else
 200         {
 201             info->className = NULL;
 202             ERR("Unknown built-in class id %04x\n", id );
 203         }
 204         p += 2;
 205     }
 206     else
 207     {
 208         info->className = (LPCWSTR)p;
 209         p += strlenW( info->className ) + 1;
 210     }
 211
 212     if (GET_WORD(p) == 0xffff)  /* Is it an integer id? */
 213     {
 214         info->windowName = MAKEINTRESOURCEW(GET_WORD(p + 1));
 215         p += 2;
 216     }
 217     else
 218     {
 219         info->windowName = (LPCWSTR)p;
 220         p += strlenW( info->windowName ) + 1;
 221     }
 222
 223     TRACE("    %s %s %d, %d, %d, %d, %d, %08x, %08x, %08x\n",
 224           debugstr_w( info->className ), debugstr_w( info->windowName ),
 225           info->id, info->x, info->y, info->cx, info->cy,
 226           info->style, info->exStyle, info->helpId );
 227
 228     if (GET_WORD(p))
 229     {
 230         if (TRACE_ON(dialog))
 231         {
 232             WORD i, count = GET_WORD(p) / sizeof(WORD);
 233             TRACE("  BEGIN\n");
 234             TRACE("    ");
 235             for (i = 0; i < count; i++) TRACE( "%04x,", GET_WORD(p+i+1) );
 236             TRACE("\n");
 237             TRACE("  END\n" );
 238         }
 239         info->data = p + 1;
 240         p += GET_WORD(p) / sizeof(WORD);
 241     }
 242     else info->data = NULL;
 243     p++;
 244
 245     /* Next control is on dword boundary */
 246     return (const WORD *)(((UINT_PTR)p + 3) & ~3);
 247 }
 248
 249
 250 /***********************************************************************
 251  *           DIALOG_CreateControls32
 252  *
 253  * Create the control windows for a dialog.
 254  */
 255 static BOOL DIALOG_CreateControls32( HWND hwnd, LPCSTR template, const DLG_TEMPLATE *dlgTemplate,
 256                                      HINSTANCE hInst, BOOL unicode )
 257 {
 258     DIALOGINFO *dlgInfo = DIALOG_get_info( hwnd, TRUE );
 259     DLG_CONTROL_INFO info;
 260     HWND hwndCtrl, hwndDefButton = 0;
 261     INT items = dlgTemplate->nbItems;
 262
 263     TRACE(" BEGIN\n" );
 264     while (items--)
 265     {
 266         template = (LPCSTR)DIALOG_GetControl32( (const WORD *)template, &info,
 267                                                 dlgTemplate->dialogEx );
 268         /* Is this it? */
 269         if (info.style & WS_BORDER)
 270         {
 271             info.style &= ~WS_BORDER;
 272             info.exStyle |= WS_EX_CLIENTEDGE;
 273         }
 274         if (unicode)
 275         {
 276             hwndCtrl = CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
 277                                         info.className, info.windowName,
 278                                         info.style | WS_CHILD,
 279                                         MulDiv(info.x, dlgInfo->xBaseUnit, 4),
 280                                         MulDiv(info.y, dlgInfo->yBaseUnit, 8),
 281                                         MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
 282                                         MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
 283                                         hwnd, (HMENU)info.id,
 284                                         hInst, (LPVOID)info.data );
 285         }
 286         else
 287         {
 288             LPCSTR class = (LPCSTR)info.className;
 289             LPCSTR caption = (LPCSTR)info.windowName;
 290             LPSTR class_tmp = NULL;
 291             LPSTR caption_tmp = NULL;
 292
 293             if (HIWORD(class))
 294             {
 295                 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.className, -1, NULL, 0, NULL, NULL );
 296                 class_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 297                 WideCharToMultiByte( CP_ACP, 0, info.className, -1, class_tmp, len, NULL, NULL );
 298                 class = class_tmp;
 299             }
 300             if (HIWORD(caption))
 301             {
 302                 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, NULL, 0, NULL, NULL );
 303                 caption_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 304                 WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, caption_tmp, len, NULL, NULL );
 305                 caption = caption_tmp;
 306             }
 307             hwndCtrl = CreateWindowExA( info.exStyle | WS_EX_NOPARENTNOTIFY,
 308                                         class, caption, info.style | WS_CHILD,
 309                                         MulDiv(info.x, dlgInfo->xBaseUnit, 4),
 310                                         MulDiv(info.y, dlgInfo->yBaseUnit, 8),
 311                                         MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
 312                                         MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
 313                                         hwnd, (HMENU)info.id,
 314                                         hInst, (LPVOID)info.data );
 315             HeapFree( GetProcessHeap(), 0, class_tmp );
 316             HeapFree( GetProcessHeap(), 0, caption_tmp );
 317         }
 318         if (!hwndCtrl)
 319         {
 320             if (dlgTemplate->style & DS_NOFAILCREATE) continue;
 321             return FALSE;
 322         }
 323
 324             /* Send initialisation messages to the control */
 325         if (dlgInfo->hUserFont) SendMessageW( hwndCtrl, WM_SETFONT,
 326                                              (WPARAM)dlgInfo->hUserFont, 0 );
 327         if (SendMessageW(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
 328         {
 329               /* If there's already a default push-button, set it back */
 330               /* to normal and use this one instead. */
 331             if (hwndDefButton)
 332                 SendMessageW( hwndDefButton, BM_SETSTYLE, BS_PUSHBUTTON, FALSE );
 333             hwndDefButton = hwndCtrl;
 334             dlgInfo->idResult = GetWindowLongPtrA( hwndCtrl, GWLP_ID );
 335         }
 336     }
 337     TRACE(" END\n" );
 338     return TRUE;
 339 }
 340
 341
 342 /***********************************************************************
 343  *           DIALOG_ParseTemplate32
 344  *
 345  * Fill a DLG_TEMPLATE structure from the dialog template, and return
 346  * a pointer to the first control.
 347  */
 348 static LPCSTR DIALOG_ParseTemplate32( LPCSTR template, DLG_TEMPLATE * result )
 349 {
 350     const WORD *p = (const WORD *)template;
 351     WORD signature;
 352     WORD dlgver;
 353
 354     signature = GET_WORD(p); p++;
 355     dlgver = GET_WORD(p); p++;
 356
 357     if (signature == 1 && dlgver == 0xffff)  /* DIALOGEX resource */
 358     {
 359         result->dialogEx = TRUE;
 360         result->helpId   = GET_DWORD(p); p += 2;
 361         result->exStyle  = GET_DWORD(p); p += 2;
 362         result->style    = GET_DWORD(p); p += 2;
 363     }
 364     else
 365     {
 366         result->style = GET_DWORD(p - 2);
 367         result->dialogEx = FALSE;
 368         result->helpId   = 0;
 369         result->exStyle  = GET_DWORD(p); p += 2;
 370     }
 371     result->nbItems = GET_WORD(p); p++;
 372     result->x       = GET_WORD(p); p++;
 373     result->y       = GET_WORD(p); p++;
 374     result->cx      = GET_WORD(p); p++;
 375     result->cy      = GET_WORD(p); p++;
 376     TRACE("DIALOG%s %d, %d, %d, %d, %d\n",
 377            result->dialogEx ? "EX" : "", result->x, result->y,
 378            result->cx, result->cy, result->helpId );
 379     TRACE(" STYLE 0x%08x\n", result->style );
 380     TRACE(" EXSTYLE 0x%08x\n", result->exStyle );
 381
 382     /* Get the menu name */
 383
 384     switch(GET_WORD(p))
 385     {
 386     case 0x0000:
 387         result->menuName = NULL;
 388         p++;
 389         break;
 390     case 0xffff:
 391         result->menuName = MAKEINTRESOURCEW(GET_WORD( p + 1 ));
 392         p += 2;
 393         TRACE(" MENU %04x\n", LOWORD(result->menuName) );
 394         break;
 395     default:
 396         result->menuName = (LPCWSTR)p;
 397         TRACE(" MENU %s\n", debugstr_w(result->menuName) );
 398         p += strlenW( result->menuName ) + 1;
 399         break;
 400     }
 401
 402     /* Get the class name */
 403
 404     switch(GET_WORD(p))
 405     {
 406     case 0x0000:
 407         result->className = (LPCWSTR)DIALOG_CLASS_ATOM;
 408         p++;
 409         break;
 410     case 0xffff:
 411         result->className = MAKEINTRESOURCEW(GET_WORD( p + 1 ));
 412         p += 2;
 413         TRACE(" CLASS %04x\n", LOWORD(result->className) );
 414         break;
 415     default:
 416         result->className = (LPCWSTR)p;
 417         TRACE(" CLASS %s\n", debugstr_w( result->className ));
 418         p += strlenW( result->className ) + 1;
 419         break;
 420     }
 421
 422     /* Get the window caption */
 423
 424     result->caption = (LPCWSTR)p;
 425     p += strlenW( result->caption ) + 1;
 426     TRACE(" CAPTION %s\n", debugstr_w( result->caption ) );
 427
 428     /* Get the font name */
 429
 430     result->pointSize = 0;
 431     result->faceName = NULL;
 432     result->weight = FW_DONTCARE;
 433     result->italic = FALSE;
 434
 435     if (result->style & DS_SETFONT)
 436     {
 437         result->pointSize = GET_WORD(p);
 438         p++;
 439         if (result->dialogEx)
 440         {
 441             result->weight = GET_WORD(p); p++;
 442             result->italic = LOBYTE(GET_WORD(p)); p++;
 443         }
 444         result->faceName = (LPCWSTR)p;
 445         p += strlenW( result->faceName ) + 1;
 446         TRACE(" FONT %d, %s, %d, %s\n",
 447               result->pointSize, debugstr_w( result->faceName ),
 448               result->weight, result->italic ? "TRUE" : "FALSE" );
 449     }
 450
 451     /* First control is on dword boundary */
 452     return (LPCSTR)(((UINT_PTR)p + 3) & ~3);
 453 }
 454
 455
 456 /***********************************************************************
 457  *           DIALOG_CreateIndirect
 458  *       Creates a dialog box window
 459  *
 460  *       modal = TRUE if we are called from a modal dialog box.
 461  *       (it's more compatible to do it here, as under Windows the owner
 462  *       is never disabled if the dialog fails because of an invalid template)
 463  */
 464 static HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCVOID dlgTemplate,
 465                                    HWND owner, DLGPROC dlgProc, LPARAM param,
 466                                    BOOL unicode, BOOL modal )
 467 {
 468     HWND hwnd;
 469     RECT rect;
 470     POINT pos;
 471     SIZE size;
 472     DLG_TEMPLATE template;
 473     DIALOGINFO * dlgInfo = NULL;
 474     DWORD units = GetDialogBaseUnits();
 475     BOOL ownerEnabled = TRUE;
 476     HMENU hMenu = 0;
 477     HFONT hUserFont = 0;
 478     UINT flags = 0;
 479     UINT xBaseUnit = LOWORD(units);
 480     UINT yBaseUnit = HIWORD(units);
 481
 482       /* Parse dialog template */
 483
 484     if (!dlgTemplate) return 0;
 485     dlgTemplate = DIALOG_ParseTemplate32( dlgTemplate, &template );
 486
 487       /* Load menu */
 488
 489     if (template.menuName) hMenu = LoadMenuW( hInst, template.menuName );
 490
 491       /* Create custom font if needed */
 492
 493     if (template.style & DS_SETFONT)
 494     {
 495           /* We convert the size to pixels and then make it -ve.  This works
 496            * for both +ve and -ve template.pointSize */
 497         HDC dc;
 498         int pixels;
 499         dc = GetDC(0);
 500         pixels = MulDiv(template.pointSize, GetDeviceCaps(dc , LOGPIXELSY), 72);
 501         hUserFont = CreateFontW( -pixels, 0, 0, 0, template.weight,
 502                                           template.italic, FALSE, FALSE, DEFAULT_CHARSET, 0, 0,
 503                                           PROOF_QUALITY, FF_DONTCARE,
 504                                           template.faceName );
 505         if (hUserFont)
 506         {
 507             SIZE charSize;
 508             HFONT hOldFont = SelectObject( dc, hUserFont );
 509             charSize.cx = GdiGetCharDimensions( dc, NULL, &charSize.cy );
 510             if (charSize.cx)
 511             {
 512                 xBaseUnit = charSize.cx;
 513                 yBaseUnit = charSize.cy;
 514             }
 515             SelectObject( dc, hOldFont );
 516         }
 517         ReleaseDC(0, dc);
 518         TRACE("units = %d,%d\n", xBaseUnit, yBaseUnit );
 519     }
 520
 521     /* Create dialog main window */
 522
 523     rect.left = rect.top = 0;
 524     rect.right = MulDiv(template.cx, xBaseUnit, 4);
 525     rect.bottom =  MulDiv(template.cy, yBaseUnit, 8);
 526     if (template.style & WS_CHILD)
 527         template.style &= ~(WS_CAPTION|WS_SYSMENU);
 528     if (template.style & DS_MODALFRAME)
 529         template.exStyle |= WS_EX_DLGMODALFRAME;
 530     if (template.style & DS_CONTROL)
 531         template.exStyle |= WS_EX_CONTROLPARENT;
 532     AdjustWindowRectEx( &rect, template.style, (hMenu != 0), template.exStyle );
 533     pos.x = rect.left;
 534     pos.y = rect.top;
 535     size.cx = rect.right - rect.left;
 536     size.cy = rect.bottom - rect.top;
 537
 538     if (template.x == CW_USEDEFAULT16)
 539     {
 540         pos.x = pos.y = CW_USEDEFAULT;
 541     }
 542     else
 543     {
 544         HMONITOR monitor = 0;
 545         MONITORINFO mon_info;
 546
 547         mon_info.cbSize = sizeof(mon_info);
 548         if (template.style & DS_CENTER)
 549         {
 550             monitor = MonitorFromWindow( owner ? owner : GetActiveWindow(), MONITOR_DEFAULTTOPRIMARY );
 551             GetMonitorInfoW( monitor, &mon_info );
 552             pos.x = (mon_info.rcWork.left + mon_info.rcWork.right - size.cx) / 2;
 553             pos.y = (mon_info.rcWork.top + mon_info.rcWork.bottom - size.cy) / 2;
 554         }
 555         else if (template.style & DS_CENTERMOUSE)
 556         {
 557             GetCursorPos( &pos );
 558             monitor = MonitorFromPoint( pos, MONITOR_DEFAULTTOPRIMARY );
 559             GetMonitorInfoW( monitor, &mon_info );
 560         }
 561         else
 562         {
 563             pos.x += MulDiv(template.x, xBaseUnit, 4);
 564             pos.y += MulDiv(template.y, yBaseUnit, 8);
 565             if (!(template.style & (WS_CHILD|DS_ABSALIGN))) ClientToScreen( owner, &pos );
 566         }
 567         if ( !(template.style & WS_CHILD) )
 568         {
 569             INT dX, dY;
 570
 571             /* try to fit it into the desktop */
 572
 573             if (!monitor)
 574             {
 575                 SetRect( &rect, pos.x, pos.y, pos.x + size.cx, pos.y + size.cy );
 576                 monitor = MonitorFromRect( &rect, MONITOR_DEFAULTTOPRIMARY );
 577                 GetMonitorInfoW( monitor, &mon_info );
 578             }
 579             if ((dX = pos.x + size.cx + GetSystemMetrics(SM_CXDLGFRAME) - mon_info.rcWork.right) > 0)
 580                 pos.x -= dX;
 581             if ((dY = pos.y + size.cy + GetSystemMetrics(SM_CYDLGFRAME) - mon_info.rcWork.bottom) > 0)
 582                 pos.y -= dY;
 583             if( pos.x < mon_info.rcWork.left ) pos.x = mon_info.rcWork.left;
 584             if( pos.y < mon_info.rcWork.top ) pos.y = mon_info.rcWork.top;
 585         }
 586     }
 587
 588     if (modal)
 589     {
 590         ownerEnabled = DIALOG_DisableOwner( owner );
 591         if (ownerEnabled) flags |= DF_OWNERENABLED;
 592     }
 593
 594     if (unicode)
 595     {
 596         hwnd = CreateWindowExW(template.exStyle, template.className, template.caption,
 597                                template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
 598                                owner, hMenu, hInst, NULL );
 599     }
 600     else
 601     {
 602         LPCSTR class = (LPCSTR)template.className;
 603         LPCSTR caption = (LPCSTR)template.caption;
 604         LPSTR class_tmp = NULL;
 605         LPSTR caption_tmp = NULL;
 606
 607         if (HIWORD(class))
 608         {
 609             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.className, -1, NULL, 0, NULL, NULL );
 610             class_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 611             WideCharToMultiByte( CP_ACP, 0, template.className, -1, class_tmp, len, NULL, NULL );
 612             class = class_tmp;
 613         }
 614         if (HIWORD(caption))
 615         {
 616             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.caption, -1, NULL, 0, NULL, NULL );
 617             caption_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 618             WideCharToMultiByte( CP_ACP, 0, template.caption, -1, caption_tmp, len, NULL, NULL );
 619             caption = caption_tmp;
 620         }
 621         hwnd = CreateWindowExA(template.exStyle, class, caption,
 622                                template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
 623                                owner, hMenu, hInst, NULL );
 624         HeapFree( GetProcessHeap(), 0, class_tmp );
 625         HeapFree( GetProcessHeap(), 0, caption_tmp );
 626     }
 627
 628     if (!hwnd)
 629     {
 630         if (hUserFont) DeleteObject( hUserFont );
 631         if (hMenu) DestroyMenu( hMenu );
 632         if (modal && (flags & DF_OWNERENABLED)) DIALOG_EnableOwner(owner);
 633         return 0;
 634     }
 635
 636     /* moved this from the top of the method to here as DIALOGINFO structure
 637     will be valid only after WM_CREATE message has been handled in DefDlgProc
 638     All the members of the structure get filled here using temp variables */
 639     dlgInfo = DIALOG_get_info( hwnd, TRUE );
 640     dlgInfo->hwndFocus   = 0;
 641     dlgInfo->hUserFont   = hUserFont;
 642     dlgInfo->hMenu       = hMenu;
 643     dlgInfo->xBaseUnit   = xBaseUnit;
 644     dlgInfo->yBaseUnit   = yBaseUnit;
 645     dlgInfo->idResult    = 0;
 646     dlgInfo->flags       = flags;
 647     dlgInfo->hDialogHeap = 0;
 648
 649     if (template.helpId) SetWindowContextHelpId( hwnd, template.helpId );
 650
 651     if (unicode) SetWindowLongPtrW( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
 652     else SetWindowLongPtrA( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
 653
 654     if (dlgInfo->hUserFont)
 655         SendMessageW( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
 656
 657     /* Create controls */
 658
 659     if (DIALOG_CreateControls32( hwnd, dlgTemplate, &template, hInst, unicode ))
 660     {
 661         /* Send initialisation messages and set focus */
 662
 663         if (SendMessageW( hwnd, WM_INITDIALOG, (WPARAM)dlgInfo->hwndFocus, param ) &&
 664             ((~template.style & DS_CONTROL) || (template.style & WS_VISIBLE)))
 665         {
 666             /* By returning TRUE, app has requested a default focus assignment */
 667             dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
 668             if( dlgInfo->hwndFocus )
 669                 SetFocus( dlgInfo->hwndFocus );
 670         }
 671
 672         if (template.style & WS_VISIBLE && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
 673         {
 674            ShowWindow( hwnd, SW_SHOWNORMAL );   /* SW_SHOW doesn't always work */
 675         }
 676         return hwnd;
 677     }
 678     if (modal && ownerEnabled) DIALOG_EnableOwner(owner);
 679     if( IsWindow(hwnd) ) DestroyWindow( hwnd );
 680     return 0;
 681 }
 682
 683
 684 /***********************************************************************
 685  *              CreateDialogParamA (USER32.@)
 686  */
 687 HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name, HWND owner,
 688                                 DLGPROC dlgProc, LPARAM param )
 689 {
 690     HRSRC hrsrc;
 691     LPCDLGTEMPLATEA ptr;
 692
 693     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
 694     if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return 0;
 695     return CreateDialogIndirectParamA( hInst, ptr, owner, dlgProc, param );
 696 }
 697
 698
 699 /***********************************************************************
 700  *              CreateDialogParamW (USER32.@)
 701  */
 702 HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name, HWND owner,
 703                                 DLGPROC dlgProc, LPARAM param )
 704 {
 705     HRSRC hrsrc;
 706     LPCDLGTEMPLATEA ptr;
 707
 708     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
 709     if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return 0;
 710     return CreateDialogIndirectParamW( hInst, ptr, owner, dlgProc, param );
 711 }
 712
 713
 714 /***********************************************************************
 715  *              CreateDialogIndirectParamAorW (USER32.@)
 716  */
 717 HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst, LPCVOID dlgTemplate,
 718                                            HWND owner, DLGPROC dlgProc, LPARAM param,
 719                                            DWORD flags )
 720 {
 721     return DIALOG_CreateIndirect( hInst, dlgTemplate, owner, dlgProc, param, !flags, FALSE );
 722 }
 723
 724 /***********************************************************************
 725  *              CreateDialogIndirectParamA (USER32.@)
 726  */
 727 HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst, LPCDLGTEMPLATEA dlgTemplate,
 728                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 729 {
 730     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 2 );
 731 }
 732
 733 /***********************************************************************
 734  *              CreateDialogIndirectParamW (USER32.@)
 735  */
 736 HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst, LPCDLGTEMPLATEW dlgTemplate,
 737                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 738 {
 739     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 0 );
 740 }
 741
 742
 743 /***********************************************************************
 744  *           DIALOG_DoDialogBox
 745  */
 746 INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
 747 {
 748     DIALOGINFO * dlgInfo;
 749     MSG msg;
 750     INT retval;
 751     HWND ownerMsg = GetAncestor( owner, GA_ROOT );
 752     BOOL bFirstEmpty;
 753
 754     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return -1;
 755
 756     bFirstEmpty = TRUE;
 757     if (!(dlgInfo->flags & DF_END)) /* was EndDialog called in WM_INITDIALOG ? */
 758     {
 759         for (;;)
 760         {
 761             if (!PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
 762             {
 763                 if (bFirstEmpty)
 764                 {
 765                     /* ShowWindow the first time the queue goes empty */
 766                     ShowWindow( hwnd, SW_SHOWNORMAL );
 767                     bFirstEmpty = FALSE;
 768                 }
 769                 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & DS_NOIDLEMSG))
 770                {
 771                     /* No message present -> send ENTERIDLE and wait */
 772                     SendMessageW( ownerMsg, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)hwnd );
 773                 }
 774                 if (!GetMessageW( &msg, 0, 0, 0 )) break;
 775             }
 776
 777             if (!IsWindow( hwnd )) return -1;
 778             if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
 779             {
 780                 TranslateMessage( &msg );
 781                 DispatchMessageW( &msg );
 782             }
 783             if (dlgInfo->flags & DF_END) break;
 784         }
 785     }
 786     if (dlgInfo->flags & DF_OWNERENABLED) DIALOG_EnableOwner( owner );
 787     retval = dlgInfo->idResult;
 788     DestroyWindow( hwnd );
 789     return retval;
 790 }
 791
 792
 793 /***********************************************************************
 794  *              DialogBoxParamA (USER32.@)
 795  */
 796 INT_PTR WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
 797                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 798 {
 799     HWND hwnd;
 800     HRSRC hrsrc;
 801     LPCDLGTEMPLATEA ptr;
 802
 803     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return -1;
 804     if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return -1;
 805     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, FALSE, TRUE );
 806     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 807     return 0;
 808 }
 809
 810
 811 /***********************************************************************
 812  *              DialogBoxParamW (USER32.@)
 813  */
 814 INT_PTR WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
 815                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 816 {
 817     HWND hwnd;
 818     HRSRC hrsrc;
 819     LPCDLGTEMPLATEW ptr;
 820
 821     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return -1;
 822     if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return -1;
 823     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, TRUE, TRUE );
 824     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 825     return 0;
 826 }
 827
 828
 829 /***********************************************************************
 830  *              DialogBoxIndirectParamAorW (USER32.@)
 831  */
 832 INT_PTR WINAPI DialogBoxIndirectParamAorW( HINSTANCE hInstance, LPCVOID template,
 833                                            HWND owner, DLGPROC dlgProc,
 834                                            LPARAM param, DWORD flags )
 835 {
 836     HWND hwnd = DIALOG_CreateIndirect( hInstance, template, owner, dlgProc, param, !flags, TRUE );
 837     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 838     return -1;
 839 }
 840
 841 /***********************************************************************
 842  *              DialogBoxIndirectParamA (USER32.@)
 843  */
 844 INT_PTR WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCDLGTEMPLATEA template,
 845                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 846 {
 847     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 2 );
 848 }
 849
 850
 851 /***********************************************************************
 852  *              DialogBoxIndirectParamW (USER32.@)
 853  */
 854 INT_PTR WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCDLGTEMPLATEW template,
 855                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 856 {
 857     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 0 );
 858 }
 859
 860 /***********************************************************************
 861  *              EndDialog (USER32.@)
 862  */
 863 BOOL WINAPI EndDialog( HWND hwnd, INT_PTR retval )
 864 {
 865     BOOL wasEnabled = TRUE;
 866     DIALOGINFO * dlgInfo;
 867     HWND owner;
 868
 869     TRACE("%p %d\n", hwnd, retval );
 870
 871     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE )))
 872     {
 873         ERR("got invalid window handle (%p); buggy app !?\n", hwnd);
 874         return FALSE;
 875     }
 876     dlgInfo->idResult = retval;
 877     dlgInfo->flags |= DF_END;
 878     wasEnabled = (dlgInfo->flags & DF_OWNERENABLED);
 879
 880     if (wasEnabled && (owner = GetWindow( hwnd, GW_OWNER )))
 881         DIALOG_EnableOwner( owner );
 882
 883     /* Windows sets the focus to the dialog itself in EndDialog */
 884
 885     if (IsChild(hwnd, GetFocus()))
 886        SetFocus( hwnd );
 887
 888     /* Don't have to send a ShowWindow(SW_HIDE), just do
 889        SetWindowPos with SWP_HIDEWINDOW as done in Windows */
 890
 891     SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
 892                  | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
 893
 894     if (hwnd == GetActiveWindow()) WINPOS_ActivateOtherWindow( hwnd );
 895
 896     /* unblock dialog loop */
 897     PostMessageA(hwnd, WM_NULL, 0, 0);
 898     return TRUE;
 899 }
 900
 901
 902 /***********************************************************************
 903  *           DIALOG_IsAccelerator
 904  */
 905 static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
 906 {
 907     HWND hwndControl = hwnd;
 908     HWND hwndNext;
 909     INT dlgCode;
 910     WCHAR buffer[128];
 911
 912     do
 913     {
 914         DWORD style = GetWindowLongW( hwndControl, GWL_STYLE );
 915         if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
 916         {
 917             dlgCode = SendMessageW( hwndControl, WM_GETDLGCODE, 0, 0 );
 918             if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
 919                  GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
 920             {
 921                 /* find the accelerator key */
 922                 LPWSTR p = buffer - 2;
 923
 924                 do
 925                 {
 926                     p = strchrW( p + 2, '&' );
 927                 }
 928                 while (p != NULL && p[1] == '&');
 929
 930                 /* and check if it's the one we're looking for */
 931                 if (p != NULL && toupperW( p[1] ) == toupperW( wParam ) )
 932                 {
 933                     if ((dlgCode & DLGC_STATIC) || (style & 0x0f) == BS_GROUPBOX )
 934                     {
 935                         /* set focus to the control */
 936                         SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndControl, 1);
 937                         /* and bump it on to next */
 938                         SendMessageW( hwndDlg, WM_NEXTDLGCTL, 0, 0);
 939                     }
 940                     else if (dlgCode & DLGC_BUTTON)
 941                     {
 942                         /* send BM_CLICK message to the control */
 943                         SendMessageW( hwndControl, BM_CLICK, 0, 0 );
 944                     }
 945                     return TRUE;
 946                 }
 947             }
 948             hwndNext = GetWindow( hwndControl, GW_CHILD );
 949         }
 950         else hwndNext = 0;
 951
 952         if (!hwndNext) hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
 953
 954         while (!hwndNext && hwndControl)
 955         {
 956             hwndControl = GetParent( hwndControl );
 957             if (hwndControl == hwndDlg)
 958             {
 959                 if(hwnd==hwndDlg)   /* prevent endless loop */
 960                 {
 961                     hwndNext=hwnd;
 962                     break;
 963                 }
 964                 hwndNext = GetWindow( hwndDlg, GW_CHILD );
 965             }
 966             else
 967                 hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
 968         }
 969         hwndControl = hwndNext;
 970     }
 971     while (hwndControl && (hwndControl != hwnd));
 972
 973     return FALSE;
 974 }
 975
 976 /***********************************************************************
 977  *           DIALOG_FindMsgDestination
 978  *
 979  * The messages that IsDialogMessage sends may not go to the dialog
 980  * calling IsDialogMessage if that dialog is a child, and it has the
 981  * DS_CONTROL style set.
 982  * We propagate up until we hit one that does not have DS_CONTROL, or
 983  * whose parent is not a dialog.
 984  *
 985  * This is undocumented behaviour.
 986  */
 987 static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
 988 {
 989     while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
 990     {
 991         WND *pParent;
 992         HWND hParent = GetParent(hwndDlg);
 993         if (!hParent) break;
 994
 995         pParent = WIN_GetPtr(hParent);
 996         if (!pParent || pParent == WND_OTHER_PROCESS || pParent == WND_DESKTOP) break;
 997
 998         if (!(pParent->flags & WIN_ISDIALOG))
 999         {
1000             WIN_ReleasePtr(pParent);
1001             break;
1002         }
1003         WIN_ReleasePtr(pParent);
1004
1005         hwndDlg = hParent;
1006     }
1007
1008     return hwndDlg;
1009 }
1010
1011 /***********************************************************************
1012  *              DIALOG_FixOneChildOnChangeFocus
1013  *
1014  * Callback helper for DIALOG_FixChildrenOnChangeFocus
1015  */
1016
1017 static BOOL CALLBACK DIALOG_FixOneChildOnChangeFocus (HWND hwndChild,
1018         LPARAM lParam)
1019 {
1020     /* If a default pushbutton then no longer default */
1021     if (DLGC_DEFPUSHBUTTON & SendMessageW (hwndChild, WM_GETDLGCODE, 0, 0))
1022         SendMessageW (hwndChild, BM_SETSTYLE, BS_PUSHBUTTON, TRUE);
1023     return TRUE;
1024 }
1025
1026 /***********************************************************************
1027  *              DIALOG_FixChildrenOnChangeFocus
1028  *
1029  * Following the change of focus that occurs for example after handling
1030  * a WM_KEYDOWN VK_TAB in IsDialogMessage, some tidying of the dialog's
1031  * children may be required.
1032  */
1033 static void DIALOG_FixChildrenOnChangeFocus (HWND hwndDlg, HWND hwndNext)
1034 {
1035     INT dlgcode_next = SendMessageW (hwndNext, WM_GETDLGCODE, 0, 0);
1036     /* INT dlgcode_dlg  = SendMessageW (hwndDlg, WM_GETDLGCODE, 0, 0); */
1037     /* Windows does ask for this.  I don't know why yet */
1038
1039     EnumChildWindows (hwndDlg, DIALOG_FixOneChildOnChangeFocus, 0);
1040
1041     /* If the button that is getting the focus WAS flagged as the default
1042      * pushbutton then ask the dialog what it thinks the default is and
1043      * set that in the default style.
1044      */
1045     if (dlgcode_next & DLGC_DEFPUSHBUTTON)
1046     {
1047         DWORD def_id = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0);
1048         if (HIWORD(def_id) == DC_HASDEFID)
1049         {
1050             HWND hwndDef;
1051             def_id = LOWORD(def_id);
1052             hwndDef = GetDlgItem (hwndDlg, def_id);
1053             if (hwndDef)
1054             {
1055                 INT dlgcode_def = SendMessageW (hwndDef, WM_GETDLGCODE, 0, 0);
1056                 /* I know that if it is a button then it should already be a
1057                  * UNDEFPUSHBUTTON, since we have just told the buttons to
1058                  * change style.  But maybe they ignored our request
1059                  */
1060                 if ((dlgcode_def & DLGC_BUTTON) &&
1061                         (dlgcode_def &  DLGC_UNDEFPUSHBUTTON))
1062                 {
1063                     SendMessageW (hwndDef, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1064                 }
1065             }
1066         }
1067     }
1068     else if ((dlgcode_next & DLGC_BUTTON) && (dlgcode_next & DLGC_UNDEFPUSHBUTTON))
1069     {
1070         SendMessageW (hwndNext, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1071         /* I wonder why it doesn't send a DM_SETDEFID */
1072     }
1073 }
1074
1075 /***********************************************************************
1076  *              IsDialogMessageW (USER32.@)
1077  */
1078 BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
1079 {
1080     INT dlgCode = 0;
1081
1082     if (CallMsgFilterW( msg, MSGF_DIALOGBOX )) return TRUE;
1083
1084     hwndDlg = WIN_GetFullHandle( hwndDlg );
1085     if (hwndDlg == GetDesktopWindow()) return FALSE;
1086     if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
1087
1088     hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
1089
1090     switch(msg->message)
1091     {
1092     case WM_KEYDOWN:
1093         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1094         if (dlgCode & DLGC_WANTMESSAGE) break;
1095
1096         switch(msg->wParam)
1097         {
1098         case VK_TAB:
1099             if (!(dlgCode & DLGC_WANTTAB))
1100             {
1101                 BOOL fIsDialog = TRUE;
1102                 WND *pWnd = WIN_GetPtr( hwndDlg );
1103
1104                 if (pWnd && pWnd != WND_OTHER_PROCESS)
1105                 {
1106                     fIsDialog = (pWnd->flags & WIN_ISDIALOG) != 0;
1107                     WIN_ReleasePtr(pWnd);
1108                 }
1109
1110                 /* I am not sure under which circumstances the TAB is handled
1111                  * each way.  All I do know is that it does not always simply
1112                  * send WM_NEXTDLGCTL.  (Personally I have never yet seen it
1113                  * do so but I presume someone has)
1114                  */
1115                 if (fIsDialog)
1116                     SendMessageW( hwndDlg, WM_NEXTDLGCTL, (GetKeyState(VK_SHIFT) & 0x8000), 0 );
1117                 else
1118                 {
1119                     /* It would appear that GetNextDlgTabItem can handle being
1120                      * passed hwndDlg rather than NULL but that is undocumented
1121                      * so let's do it properly
1122                      */
1123                     HWND hwndFocus = GetFocus();
1124                     HWND hwndNext = GetNextDlgTabItem (hwndDlg,
1125                             hwndFocus == hwndDlg ? NULL : hwndFocus,
1126                             GetKeyState (VK_SHIFT) & 0x8000);
1127                     if (hwndNext)
1128                     {
1129                         dlgCode = SendMessageW (hwndNext, WM_GETDLGCODE,
1130                                 msg->wParam, (LPARAM)msg);
1131                         if (dlgCode & DLGC_HASSETSEL)
1132                         {
1133                             INT maxlen = 1 + SendMessageW (hwndNext, WM_GETTEXTLENGTH, 0, 0);
1134                             WCHAR *buffer = HeapAlloc (GetProcessHeap(), 0, maxlen * sizeof(WCHAR));
1135                             if (buffer)
1136                             {
1137                                 INT length;
1138                                 SendMessageW (hwndNext, WM_GETTEXT, maxlen, (LPARAM) buffer);
1139                                 length = strlenW (buffer);
1140                                 HeapFree (GetProcessHeap(), 0, buffer);
1141                                 SendMessageW (hwndNext, EM_SETSEL, 0, length);
1142                             }
1143                         }
1144                         SetFocus (hwndNext);
1145                         DIALOG_FixChildrenOnChangeFocus (hwndDlg, hwndNext);
1146                     }
1147                     else
1148                         return FALSE;
1149                 }
1150                 return TRUE;
1151             }
1152             break;
1153
1154         case VK_RIGHT:
1155         case VK_DOWN:
1156         case VK_LEFT:
1157         case VK_UP:
1158             if (!(dlgCode & DLGC_WANTARROWS))
1159             {
1160                 BOOL fPrevious = (msg->wParam == VK_LEFT || msg->wParam == VK_UP);
1161                 HWND hwndNext = GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
1162                 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndNext, 1 );
1163                 return TRUE;
1164             }
1165             break;
1166
1167         case VK_CANCEL:
1168         case VK_ESCAPE:
1169             SendMessageW( hwndDlg, WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
1170             return TRUE;
1171
1172         case VK_EXECUTE:
1173         case VK_RETURN:
1174             {
1175                 DWORD dw;
1176                 if ((GetFocus() == msg->hwnd) &&
1177                     (SendMessageW (msg->hwnd, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
1178                 {
1179                     SendMessageW (hwndDlg, WM_COMMAND, MAKEWPARAM (GetDlgCtrlID(msg->hwnd),BN_CLICKED), (LPARAM)msg->hwnd);
1180                 }
1181                 else if (DC_HASDEFID == HIWORD(dw = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0)))
1182                 {
1183                     SendMessageW( hwndDlg, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
1184                                     (LPARAM)GetDlgItem(hwndDlg, LOWORD(dw)));
1185                 }
1186                 else
1187                 {
1188                     SendMessageW( hwndDlg, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
1189
1190                 }
1191             }
1192             return TRUE;
1193         }
1194         break;
1195
1196     case WM_CHAR:
1197         /* FIXME Under what circumstances does WM_GETDLGCODE get sent?
1198          * It does NOT get sent in the test program I have
1199          */
1200         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1201         if (dlgCode & (DLGC_WANTCHARS|DLGC_WANTMESSAGE)) break;
1202         if (msg->wParam == '\t' && (dlgCode & DLGC_WANTTAB)) break;
1203         /* drop through */
1204
1205     case WM_SYSCHAR:
1206         if (DIALOG_IsAccelerator( WIN_GetFullHandle(msg->hwnd), hwndDlg, msg->wParam ))
1207         {
1208             /* don't translate or dispatch */
1209             return TRUE;
1210         }
1211         break;
1212     }
1213
1214     TranslateMessage( msg );
1215     DispatchMessageW( msg );
1216     return TRUE;
1217 }
1218
1219
1220 /***********************************************************************
1221  *              GetDlgCtrlID (USER32.@)
1222  */
1223 INT WINAPI GetDlgCtrlID( HWND hwnd )
1224 {
1225     return GetWindowLongPtrW( hwnd, GWLP_ID );
1226 }
1227
1228
1229 /***********************************************************************
1230  *              GetDlgItem (USER32.@)
1231  */
1232 HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
1233 {
1234     int i;
1235     HWND *list = WIN_ListChildren( hwndDlg );
1236     HWND ret = 0;
1237
1238     if (!list) return 0;
1239
1240     for (i = 0; list[i]; i++) if (GetWindowLongPtrW( list[i], GWLP_ID ) == id) break;
1241     ret = list[i];
1242     HeapFree( GetProcessHeap(), 0, list );
1243     return ret;
1244 }
1245
1246
1247 /*******************************************************************
1248  *              SendDlgItemMessageA (USER32.@)
1249  */
1250 LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
1251                                       WPARAM wParam, LPARAM lParam )
1252 {
1253     HWND hwndCtrl = GetDlgItem( hwnd, id );
1254     if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
1255     else return 0;
1256 }
1257
1258
1259 /*******************************************************************
1260  *              SendDlgItemMessageW (USER32.@)
1261  */
1262 LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
1263                                       WPARAM wParam, LPARAM lParam )
1264 {
1265     HWND hwndCtrl = GetDlgItem( hwnd, id );
1266     if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
1267     else return 0;
1268 }
1269
1270
1271 /*******************************************************************
1272  *              SetDlgItemTextA (USER32.@)
1273  */
1274 BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
1275 {
1276     return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1277 }
1278
1279
1280 /*******************************************************************
1281  *              SetDlgItemTextW (USER32.@)
1282  */
1283 BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
1284 {
1285     return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1286 }
1287
1288
1289 /***********************************************************************
1290  *              GetDlgItemTextA (USER32.@)
1291  */
1292 UINT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, INT len )
1293 {
1294     if (str && (len > 0)) str[0] = '\0';
1295     return (UINT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
1296                                          len, (LPARAM)str );
1297 }
1298
1299
1300 /***********************************************************************
1301  *              GetDlgItemTextW (USER32.@)
1302  */
1303 UINT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, INT len )
1304 {
1305     if (str && (len > 0)) str[0] = '\0';
1306     return (UINT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
1307                                          len, (LPARAM)str );
1308 }
1309
1310
1311 /*******************************************************************
1312  *              SetDlgItemInt (USER32.@)
1313  */
1314 BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
1315                              BOOL fSigned )
1316 {
1317     char str[20];
1318
1319     if (fSigned) sprintf( str, "%d", (INT)value );
1320     else sprintf( str, "%u", value );
1321     SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
1322     return TRUE;
1323 }
1324
1325
1326 /***********************************************************************
1327  *              GetDlgItemInt (USER32.@)
1328  */
1329 UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
1330                                BOOL fSigned )
1331 {
1332     char str[30];
1333     char * endptr;
1334     long result = 0;
1335
1336     if (translated) *translated = FALSE;
1337     if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
1338         return 0;
1339     if (fSigned)
1340     {
1341         result = strtol( str, &endptr, 10 );
1342         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1343             return 0;
1344         if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
1345             return 0;
1346     }
1347     else
1348     {
1349         result = strtoul( str, &endptr, 10 );
1350         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1351             return 0;
1352         if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
1353     }
1354     if (translated) *translated = TRUE;
1355     return (UINT)result;
1356 }
1357
1358
1359 /***********************************************************************
1360  *              CheckDlgButton (USER32.@)
1361  */
1362 BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
1363 {
1364     SendDlgItemMessageW( hwnd, id, BM_SETCHECK, check, 0 );
1365     return TRUE;
1366 }
1367
1368
1369 /***********************************************************************
1370  *              IsDlgButtonChecked (USER32.@)
1371  */
1372 UINT WINAPI IsDlgButtonChecked( HWND hwnd, int id )
1373 {
1374     return (UINT)SendDlgItemMessageW( hwnd, id, BM_GETCHECK, 0, 0 );
1375 }
1376
1377
1378 /***********************************************************************
1379  *           CheckRB
1380  *
1381  * Callback function used to check/uncheck radio buttons that fall
1382  * within a specific range of IDs.
1383  */
1384 static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
1385 {
1386     LONG lChildID = GetWindowLongPtrW(hwndChild, GWLP_ID);
1387     RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
1388
1389     if ((lChildID >= lpRadioGroup->firstID) &&
1390         (lChildID <= lpRadioGroup->lastID))
1391     {
1392         if (lChildID == lpRadioGroup->checkID)
1393         {
1394             SendMessageW(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
1395         }
1396         else
1397         {
1398             SendMessageW(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
1399         }
1400     }
1401
1402     return TRUE;
1403 }
1404
1405
1406 /***********************************************************************
1407  *              CheckRadioButton (USER32.@)
1408  */
1409 BOOL WINAPI CheckRadioButton( HWND hwndDlg, int firstID,
1410                               int lastID, int checkID )
1411 {
1412     RADIOGROUP radioGroup;
1413
1414     radioGroup.firstID = firstID;
1415     radioGroup.lastID = lastID;
1416     radioGroup.checkID = checkID;
1417
1418     return EnumChildWindows(hwndDlg, (WNDENUMPROC)CheckRB,
1419                             (LPARAM)&radioGroup);
1420 }
1421
1422
1423 /***********************************************************************
1424  *              GetDialogBaseUnits (USER.243)
1425  *              GetDialogBaseUnits (USER32.@)
1426  */
1427 DWORD WINAPI GetDialogBaseUnits(void)
1428 {
1429     static DWORD units;
1430
1431     if (!units)
1432     {
1433         HDC hdc;
1434         SIZE size;
1435
1436         if ((hdc = GetDC(0)))
1437         {
1438             size.cx = GdiGetCharDimensions( hdc, NULL, &size.cy );
1439             if (size.cx) units = MAKELONG( size.cx, size.cy );
1440             ReleaseDC( 0, hdc );
1441         }
1442         TRACE("base units = %d,%d\n", LOWORD(units), HIWORD(units) );
1443     }
1444     return units;
1445 }
1446
1447
1448 /***********************************************************************
1449  *              MapDialogRect (USER32.@)
1450  */
1451 BOOL WINAPI MapDialogRect( HWND hwnd, LPRECT rect )
1452 {
1453     DIALOGINFO * dlgInfo;
1454     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return FALSE;
1455     rect->left   = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
1456     rect->right  = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
1457     rect->top    = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
1458     rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
1459     return TRUE;
1460 }
1461
1462
1463 /***********************************************************************
1464  *              GetNextDlgGroupItem (USER32.@)
1465  *
1466  * Corrections to MSDN documentation
1467  *
1468  * (Under Windows 2000 at least, where hwndDlg is not actually a dialog)
1469  * 1. hwndCtrl can be hwndDlg in which case it behaves as for NULL
1470  * 2. Prev of NULL or hwndDlg fails
1471  */
1472 HWND WINAPI GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1473 {
1474     HWND hwnd, hwndNext, retvalue, hwndLastGroup = 0;
1475     BOOL fLooped=FALSE;
1476     BOOL fSkipping=FALSE;
1477
1478     hwndDlg = WIN_GetFullHandle( hwndDlg );
1479     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1480
1481     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1482     if (!hwndCtrl && fPrevious) return 0;
1483
1484     if (hwndCtrl)
1485     {
1486         if (!IsChild (hwndDlg, hwndCtrl)) return 0;
1487     }
1488     else
1489     {
1490         /* No ctrl specified -> start from the beginning */
1491         if (!(hwndCtrl = GetWindow( hwndDlg, GW_CHILD ))) return 0;
1492         /* MSDN is wrong. fPrevious does not result in the last child */
1493
1494         /* Maybe that first one is valid.  If so then we don't want to skip it*/
1495         if ((GetWindowLongW( hwndCtrl, GWL_STYLE ) & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE)
1496         {
1497             return hwndCtrl;
1498         }
1499     }
1500
1501     /* Always go forward around the group and list of controls; for the
1502      * previous control keep track; for the next break when you find one
1503      */
1504     retvalue = hwndCtrl;
1505     hwnd = hwndCtrl;
1506     while (hwndNext = GetWindow (hwnd, GW_HWNDNEXT),
1507            1)
1508     {
1509         while (!hwndNext)
1510         {
1511             /* Climb out until there is a next sibling of the ancestor or we
1512              * reach the top (in which case we loop back to the start)
1513              */
1514             if (hwndDlg == GetParent (hwnd))
1515             {
1516                 /* Wrap around to the beginning of the list, within the same
1517                  * group. (Once only)
1518                  */
1519                 if (fLooped) goto end;
1520                 fLooped = TRUE;
1521                 hwndNext = GetWindow (hwndDlg, GW_CHILD);
1522             }
1523             else
1524             {
1525                 hwnd = GetParent (hwnd);
1526                 hwndNext = GetWindow (hwnd, GW_HWNDNEXT);
1527             }
1528         }
1529         hwnd = hwndNext;
1530
1531         /* Wander down the leading edge of controlparents */
1532         while ( (GetWindowLongW (hwnd, GWL_EXSTYLE) & WS_EX_CONTROLPARENT) &&
1533                 ((GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE) &&
1534                 (hwndNext = GetWindow (hwnd, GW_CHILD)))
1535             hwnd = hwndNext;
1536         /* Question.  If the control is a control parent but either has no
1537          * children or is not visible/enabled then if it has a WS_GROUP does
1538          * it count?  For that matter does it count anyway?
1539          * I believe it doesn't count.
1540          */
1541
1542         if ((GetWindowLongW (hwnd, GWL_STYLE) & WS_GROUP))
1543         {
1544             hwndLastGroup = hwnd;
1545             if (!fSkipping)
1546             {
1547                 /* Look for the beginning of the group */
1548                 fSkipping = TRUE;
1549             }
1550         }
1551
1552         if (hwnd == hwndCtrl)
1553         {
1554             if (!fSkipping) break;
1555             if (hwndLastGroup == hwnd) break;
1556             hwnd = hwndLastGroup;
1557             fSkipping = FALSE;
1558             fLooped = FALSE;
1559         }
1560
1561         if (!fSkipping &&
1562             (GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE|WS_DISABLED)) ==
1563              WS_VISIBLE)
1564         {
1565             retvalue = hwnd;
1566             if (!fPrevious) break;
1567         }
1568     }
1569 end:
1570     return retvalue;
1571 }
1572
1573
1574 /***********************************************************************
1575  *           DIALOG_GetNextTabItem
1576  *
1577  * Recursive helper for GetNextDlgTabItem
1578  */
1579 static HWND DIALOG_GetNextTabItem( HWND hwndMain, HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1580 {
1581     LONG dsStyle;
1582     LONG exStyle;
1583     UINT wndSearch = fPrevious ? GW_HWNDPREV : GW_HWNDNEXT;
1584     HWND retWnd = 0;
1585     HWND hChildFirst = 0;
1586
1587     if(!hwndCtrl)
1588     {
1589         hChildFirst = GetWindow(hwndDlg,GW_CHILD);
1590         if(fPrevious) hChildFirst = GetWindow(hChildFirst,GW_HWNDLAST);
1591     }
1592     else if (IsChild( hwndMain, hwndCtrl ))
1593     {
1594         hChildFirst = GetWindow(hwndCtrl,wndSearch);
1595         if(!hChildFirst)
1596         {
1597             if(GetParent(hwndCtrl) != hwndMain)
1598                 /* i.e. if we are not at the top level of the recursion */
1599                 hChildFirst = GetWindow(GetParent(hwndCtrl),wndSearch);
1600             else
1601                 hChildFirst = GetWindow(hwndCtrl, fPrevious ? GW_HWNDLAST : GW_HWNDFIRST);
1602         }
1603     }
1604
1605     while(hChildFirst)
1606     {
1607         dsStyle = GetWindowLongA(hChildFirst,GWL_STYLE);
1608         exStyle = GetWindowLongA(hChildFirst,GWL_EXSTYLE);
1609         if( (exStyle & WS_EX_CONTROLPARENT) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1610         {
1611             HWND retWnd;
1612             retWnd = DIALOG_GetNextTabItem(hwndMain,hChildFirst,NULL,fPrevious );
1613             if (retWnd) return (retWnd);
1614         }
1615         else if( (dsStyle & WS_TABSTOP) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1616         {
1617             return (hChildFirst);
1618         }
1619         hChildFirst = GetWindow(hChildFirst,wndSearch);
1620     }
1621     if(hwndCtrl)
1622     {
1623         HWND hParent = GetParent(hwndCtrl);
1624         while(hParent)
1625         {
1626             if(hParent == hwndMain) break;
1627             retWnd = DIALOG_GetNextTabItem(hwndMain,GetParent(hParent),hParent,fPrevious );
1628             if(retWnd) break;
1629             hParent = GetParent(hParent);
1630         }
1631         if(!retWnd)
1632             retWnd = DIALOG_GetNextTabItem(hwndMain,hwndMain,NULL,fPrevious );
1633     }
1634     return retWnd ? retWnd : hwndCtrl;
1635 }
1636
1637 /***********************************************************************
1638  *              GetNextDlgTabItem (USER32.@)
1639  */
1640 HWND WINAPI GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl,
1641                                    BOOL fPrevious )
1642 {
1643     hwndDlg = WIN_GetFullHandle( hwndDlg );
1644     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1645
1646     /* Undocumented but tested under Win2000 and WinME */
1647     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1648
1649     /* Contrary to MSDN documentation, tested under Win2000 and WinME
1650      * NB GetLastError returns whatever was set before the function was
1651      * called.
1652      */
1653     if (!hwndCtrl && fPrevious) return 0;
1654
1655     return DIALOG_GetNextTabItem(hwndDlg,hwndDlg,hwndCtrl,fPrevious);
1656 }
1657
1658 /**********************************************************************
1659  *           DIALOG_DlgDirSelect
1660  *
1661  * Helper function for DlgDirSelect*
1662  */
1663 static BOOL DIALOG_DlgDirSelect( HWND hwnd, LPWSTR str, INT len,
1664                                  INT id, BOOL unicode, BOOL combo )
1665 {
1666     WCHAR *buffer, *ptr;
1667     INT item, size;
1668     BOOL ret;
1669     HWND listbox = GetDlgItem( hwnd, id );
1670
1671     TRACE("%p %s %d\n", hwnd, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str), id );
1672     if (!listbox) return FALSE;
1673
1674     item = SendMessageW(listbox, combo ? CB_GETCURSEL : LB_GETCURSEL, 0, 0 );
1675     if (item == LB_ERR) return FALSE;
1676
1677     size = SendMessageW(listbox, combo ? CB_GETLBTEXTLEN : LB_GETTEXTLEN, 0, 0 );
1678     if (size == LB_ERR) return FALSE;
1679
1680     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (size+1) * sizeof(WCHAR) ))) return FALSE;
1681
1682     SendMessageW( listbox, combo ? CB_GETLBTEXT : LB_GETTEXT, item, (LPARAM)buffer );
1683
1684     if ((ret = (buffer[0] == '[')))  /* drive or directory */
1685     {
1686         if (buffer[1] == '-')  /* drive */
1687         {
1688             buffer[3] = ':';
1689             buffer[4] = 0;
1690             ptr = buffer + 2;
1691         }
1692         else
1693         {
1694             buffer[strlenW(buffer)-1] = '\\';
1695             ptr = buffer + 1;
1696         }
1697     }
1698     else ptr = buffer;
1699
1700     if (!unicode)
1701     {
1702         if (len > 0 && !WideCharToMultiByte( CP_ACP, 0, ptr, -1, (LPSTR)str, len, 0, 0 ))
1703             ((LPSTR)str)[len-1] = 0;
1704     }
1705     else lstrcpynW( str, ptr, len );
1706     HeapFree( GetProcessHeap(), 0, buffer );
1707     TRACE("Returning %d %s\n", ret, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str) );
1708     return ret;
1709 }
1710
1711
1712 /**********************************************************************
1713  *          DIALOG_DlgDirListW
1714  *
1715  * Helper function for DlgDirList*W
1716  */
1717 static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1718                                INT idStatic, UINT attrib, BOOL combo )
1719 {
1720     HWND hwnd;
1721     LPWSTR orig_spec = spec;
1722     WCHAR any[] = {'*','.','*',0};
1723
1724 #define SENDMSG(msg,wparam,lparam) \
1725     ((attrib & DDL_POSTMSGS) ? PostMessageW( hwnd, msg, wparam, lparam ) \
1726                              : SendMessageW( hwnd, msg, wparam, lparam ))
1727
1728     TRACE("%p %s %d %d %04x\n", hDlg, debugstr_w(spec), idLBox, idStatic, attrib );
1729
1730     /* If the path exists and is a directory, chdir to it */
1731     if (!spec || !spec[0] || SetCurrentDirectoryW( spec )) spec = any;
1732     else
1733     {
1734         WCHAR *p, *p2;
1735         p = spec;
1736         if ((p2 = strrchrW( p, '\\' ))) p = p2;
1737         if ((p2 = strrchrW( p, '/' ))) p = p2;
1738         if (p != spec)
1739         {
1740             WCHAR sep = *p;
1741             *p = 0;
1742             if (!SetCurrentDirectoryW( spec ))
1743             {
1744                 *p = sep;  /* Restore the original spec */
1745                 return FALSE;
1746             }
1747             spec = p + 1;
1748         }
1749     }
1750
1751     TRACE( "mask=%s\n", debugstr_w(spec) );
1752
1753     if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
1754     {
1755         SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
1756         if (attrib & DDL_DIRECTORY)
1757         {
1758             if (!(attrib & DDL_EXCLUSIVE))
1759             {
1760                 if (SENDMSG( combo ? CB_DIR : LB_DIR,
1761                              attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
1762                              (LPARAM)spec ) == LB_ERR)
1763                     return FALSE;
1764             }
1765             if (SENDMSG( combo ? CB_DIR : LB_DIR,
1766                        (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
1767                          (LPARAM)any ) == LB_ERR)
1768                 return FALSE;
1769         }
1770         else
1771         {
1772             if (SENDMSG( combo ? CB_DIR : LB_DIR, attrib,
1773                          (LPARAM)spec ) == LB_ERR)
1774                 return FALSE;
1775         }
1776     }
1777
1778     if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
1779     {
1780         WCHAR temp[MAX_PATH];
1781         GetCurrentDirectoryW( sizeof(temp)/sizeof(WCHAR), temp );
1782         CharLowerW( temp );
1783         /* Can't use PostMessage() here, because the string is on the stack */
1784         SetDlgItemTextW( hDlg, idStatic, temp );
1785     }
1786
1787     if (orig_spec && (spec != orig_spec))
1788     {
1789         /* Update the original file spec */
1790         WCHAR *p = spec;
1791         while ((*orig_spec++ = *p++));
1792     }
1793
1794     return TRUE;
1795 #undef SENDMSG
1796 }
1797
1798
1799 /**********************************************************************
1800  *          DIALOG_DlgDirListA
1801  *
1802  * Helper function for DlgDirList*A
1803  */
1804 static INT DIALOG_DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1805                                INT idStatic, UINT attrib, BOOL combo )
1806 {
1807     if (spec)
1808     {
1809         INT ret, len = MultiByteToWideChar( CP_ACP, 0, spec, -1, NULL, 0 );
1810         LPWSTR specW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1811         MultiByteToWideChar( CP_ACP, 0, spec, -1, specW, len );
1812         ret = DIALOG_DlgDirListW( hDlg, specW, idLBox, idStatic, attrib, combo );
1813         WideCharToMultiByte( CP_ACP, 0, specW, -1, spec, 0x7fffffff, NULL, NULL );
1814         HeapFree( GetProcessHeap(), 0, specW );
1815         return ret;
1816     }
1817     return DIALOG_DlgDirListW( hDlg, NULL, idLBox, idStatic, attrib, combo );
1818 }
1819
1820
1821 /**********************************************************************
1822  *              DlgDirSelectExA (USER32.@)
1823  */
1824 BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
1825 {
1826     return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, FALSE );
1827 }
1828
1829
1830 /**********************************************************************
1831  *              DlgDirSelectExW (USER32.@)
1832  */
1833 BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
1834 {
1835     return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, FALSE );
1836 }
1837
1838
1839 /**********************************************************************
1840  *              DlgDirSelectComboBoxExA (USER32.@)
1841  */
1842 BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
1843                                          INT id )
1844 {
1845     return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, TRUE );
1846 }
1847
1848
1849 /**********************************************************************
1850  *              DlgDirSelectComboBoxExW (USER32.@)
1851  */
1852 BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
1853                                          INT id)
1854 {
1855     return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, TRUE );
1856 }
1857
1858
1859 /**********************************************************************
1860  *              DlgDirListA (USER32.@)
1861  */
1862 INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1863                             INT idStatic, UINT attrib )
1864 {
1865     return DIALOG_DlgDirListA( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1866 }
1867
1868
1869 /**********************************************************************
1870  *              DlgDirListW (USER32.@)
1871  */
1872 INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1873                             INT idStatic, UINT attrib )
1874 {
1875     return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1876 }
1877
1878
1879 /**********************************************************************
1880  *              DlgDirListComboBoxA (USER32.@)
1881  */
1882 INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
1883                                     INT idStatic, UINT attrib )
1884 {
1885     return DIALOG_DlgDirListA( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1886 }
1887
1888
1889 /**********************************************************************
1890  *              DlgDirListComboBoxW (USER32.@)
1891  */
1892 INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
1893                                     INT idStatic, UINT attrib )
1894 {
1895     return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1896 }