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/unicode.h"
  38 #include "controls.h"
  39 #include "win.h"
  40 #include "user_private.h"
  41 #include "wine/debug.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(dialog);
  44
  45
  46   /* Dialog control information */
  47 typedef struct
  48 {
  49     DWORD      style;
  50     DWORD      exStyle;
  51     DWORD      helpId;
  52     INT16      x;
  53     INT16      y;
  54     INT16      cx;
  55     INT16      cy;
  56     UINT_PTR   id;
  57     LPCWSTR    className;
  58     LPCWSTR    windowName;
  59     LPCVOID    data;
  60 } DLG_CONTROL_INFO;
  61
  62   /* Dialog template */
  63 typedef struct
  64 {
  65     DWORD      style;
  66     DWORD      exStyle;
  67     DWORD      helpId;
  68     UINT16     nbItems;
  69     INT16      x;
  70     INT16      y;
  71     INT16      cx;
  72     INT16      cy;
  73     LPCWSTR    menuName;
  74     LPCWSTR    className;
  75     LPCWSTR    caption;
  76     INT16      pointSize;
  77     WORD       weight;
  78     BOOL       italic;
  79     LPCWSTR    faceName;
  80     BOOL       dialogEx;
  81 } DLG_TEMPLATE;
  82
  83   /* Radio button group */
  84 typedef struct
  85 {
  86     UINT firstID;
  87     UINT lastID;
  88     UINT checkID;
  89 } RADIOGROUP;
  90
  91
  92 /*********************************************************************
  93  * dialog class descriptor
  94  */
  95 const struct builtin_class_descr DIALOG_builtin_class =
  96 {
  97     (LPCWSTR)DIALOG_CLASS_ATOM, /* name */
  98     CS_SAVEBITS | CS_DBLCLKS, /* style  */
  99     WINPROC_DIALOG,     /* proc */
 100     DLGWINDOWEXTRA,     /* extra */
 101     IDC_ARROW,          /* cursor */
 102     0                   /* brush */
 103 };
 104
 105
 106 /***********************************************************************
 107  *           DIALOG_EnableOwner
 108  *
 109  * Helper function for modal dialogs to enable again the
 110  * owner of the dialog box.
 111  */
 112 void DIALOG_EnableOwner( HWND hOwner )
 113 {
 114     /* Owner must be a top-level window */
 115     if (hOwner)
 116         hOwner = GetAncestor( hOwner, GA_ROOT );
 117     if (!hOwner) return;
 118     EnableWindow( hOwner, TRUE );
 119 }
 120
 121
 122 /***********************************************************************
 123  *           DIALOG_DisableOwner
 124  *
 125  * Helper function for modal dialogs to disable the
 126  * owner of the dialog box. Returns TRUE if owner was enabled.
 127  */
 128 BOOL DIALOG_DisableOwner( HWND hOwner )
 129 {
 130     /* Owner must be a top-level window */
 131     if (hOwner)
 132         hOwner = GetAncestor( hOwner, GA_ROOT );
 133     if (!hOwner) return FALSE;
 134     if (IsWindowEnabled( hOwner ))
 135     {
 136         EnableWindow( hOwner, FALSE );
 137         return TRUE;
 138     }
 139     else
 140         return FALSE;
 141 }
 142
 143 /***********************************************************************
 144  *           DIALOG_GetControl32
 145  *
 146  * Return the class and text of the control pointed to by ptr,
 147  * fill the header structure and return a pointer to the next control.
 148  */
 149 static const WORD *DIALOG_GetControl32( const WORD *p, DLG_CONTROL_INFO *info,
 150                                         BOOL dialogEx )
 151 {
 152     if (dialogEx)
 153     {
 154         info->helpId  = GET_DWORD(p); p += 2;
 155         info->exStyle = GET_DWORD(p); p += 2;
 156         info->style   = GET_DWORD(p); p += 2;
 157     }
 158     else
 159     {
 160         info->helpId  = 0;
 161         info->style   = GET_DWORD(p); p += 2;
 162         info->exStyle = GET_DWORD(p); p += 2;
 163     }
 164     info->x       = GET_WORD(p); p++;
 165     info->y       = GET_WORD(p); p++;
 166     info->cx      = GET_WORD(p); p++;
 167     info->cy      = GET_WORD(p); p++;
 168
 169     if (dialogEx)
 170     {
 171         /* id is a DWORD for DIALOGEX */
 172         info->id = GET_DWORD(p);
 173         p += 2;
 174     }
 175     else
 176     {
 177         info->id = GET_WORD(p);
 178         p++;
 179     }
 180
 181     if (GET_WORD(p) == 0xffff)
 182     {
 183         static const WCHAR class_names[6][10] =
 184         {
 185             { 'B','u','t','t','o','n', },             /* 0x80 */
 186             { 'E','d','i','t', },                     /* 0x81 */
 187             { 'S','t','a','t','i','c', },             /* 0x82 */
 188             { 'L','i','s','t','B','o','x', },         /* 0x83 */
 189             { 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
 190             { 'C','o','m','b','o','B','o','x', }      /* 0x85 */
 191         };
 192         WORD id = GET_WORD(p+1);
 193         /* Windows treats dialog control class ids 0-5 same way as 0x80-0x85 */
 194         if ((id >= 0x80) && (id <= 0x85)) id -= 0x80;
 195         if (id <= 5)
 196             info->className = class_names[id];
 197         else
 198         {
 199             info->className = NULL;
 200             ERR("Unknown built-in class id %04x\n", id );
 201         }
 202         p += 2;
 203     }
 204     else
 205     {
 206         info->className = p;
 207         p += strlenW( info->className ) + 1;
 208     }
 209
 210     if (GET_WORD(p) == 0xffff)  /* Is it an integer id? */
 211     {
 212         info->windowName = MAKEINTRESOURCEW(GET_WORD(p + 1));
 213         p += 2;
 214     }
 215     else
 216     {
 217         info->windowName = p;
 218         p += strlenW( info->windowName ) + 1;
 219     }
 220
 221     TRACE("    %s %s %ld, %d, %d, %d, %d, %08x, %08x, %08x\n",
 222           debugstr_w( info->className ), debugstr_w( info->windowName ),
 223           info->id, info->x, info->y, info->cx, info->cy,
 224           info->style, info->exStyle, info->helpId );
 225
 226     if (GET_WORD(p))
 227     {
 228         if (TRACE_ON(dialog))
 229         {
 230             WORD i, count = GET_WORD(p) / sizeof(WORD);
 231             TRACE("  BEGIN\n");
 232             TRACE("    ");
 233             for (i = 0; i < count; i++) TRACE( "%04x,", GET_WORD(p+i+1) );
 234             TRACE("\n");
 235             TRACE("  END\n" );
 236         }
 237         info->data = p + 1;
 238         p += GET_WORD(p) / sizeof(WORD);
 239     }
 240     else info->data = NULL;
 241     p++;
 242
 243     /* Next control is on dword boundary */
 244     return (const WORD *)(((UINT_PTR)p + 3) & ~3);
 245 }
 246
 247
 248 /***********************************************************************
 249  *           DIALOG_CreateControls32
 250  *
 251  * Create the control windows for a dialog.
 252  */
 253 static BOOL DIALOG_CreateControls32( HWND hwnd, LPCSTR template, const DLG_TEMPLATE *dlgTemplate,
 254                                      HINSTANCE hInst, BOOL unicode )
 255 {
 256     DIALOGINFO *dlgInfo = DIALOG_get_info( hwnd, TRUE );
 257     DLG_CONTROL_INFO info;
 258     HWND hwndCtrl, hwndDefButton = 0;
 259     INT items = dlgTemplate->nbItems;
 260
 261     TRACE(" BEGIN\n" );
 262     while (items--)
 263     {
 264         template = (LPCSTR)DIALOG_GetControl32( (const WORD *)template, &info,
 265                                                 dlgTemplate->dialogEx );
 266         /* Is this it? */
 267         if (info.style & WS_BORDER)
 268         {
 269             info.style &= ~WS_BORDER;
 270             info.exStyle |= WS_EX_CLIENTEDGE;
 271         }
 272         if (unicode)
 273         {
 274             hwndCtrl = CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
 275                                         info.className, info.windowName,
 276                                         info.style | WS_CHILD,
 277                                         MulDiv(info.x, dlgInfo->xBaseUnit, 4),
 278                                         MulDiv(info.y, dlgInfo->yBaseUnit, 8),
 279                                         MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
 280                                         MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
 281                                         hwnd, (HMENU)info.id,
 282                                         hInst, (LPVOID)info.data );
 283         }
 284         else
 285         {
 286             LPCSTR class = (LPCSTR)info.className;
 287             LPCSTR caption = (LPCSTR)info.windowName;
 288             LPSTR class_tmp = NULL;
 289             LPSTR caption_tmp = NULL;
 290
 291             if (HIWORD(class))
 292             {
 293                 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.className, -1, NULL, 0, NULL, NULL );
 294                 class_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 295                 WideCharToMultiByte( CP_ACP, 0, info.className, -1, class_tmp, len, NULL, NULL );
 296                 class = class_tmp;
 297             }
 298             if (HIWORD(caption))
 299             {
 300                 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, NULL, 0, NULL, NULL );
 301                 caption_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 302                 WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, caption_tmp, len, NULL, NULL );
 303                 caption = caption_tmp;
 304             }
 305             hwndCtrl = CreateWindowExA( info.exStyle | WS_EX_NOPARENTNOTIFY,
 306                                         class, caption, info.style | WS_CHILD,
 307                                         MulDiv(info.x, dlgInfo->xBaseUnit, 4),
 308                                         MulDiv(info.y, dlgInfo->yBaseUnit, 8),
 309                                         MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
 310                                         MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
 311                                         hwnd, (HMENU)info.id,
 312                                         hInst, (LPVOID)info.data );
 313             HeapFree( GetProcessHeap(), 0, class_tmp );
 314             HeapFree( GetProcessHeap(), 0, caption_tmp );
 315         }
 316         if (!hwndCtrl)
 317         {
 318             if (dlgTemplate->style & DS_NOFAILCREATE) continue;
 319             return FALSE;
 320         }
 321
 322             /* Send initialisation messages to the control */
 323         if (dlgInfo->hUserFont) SendMessageW( hwndCtrl, WM_SETFONT,
 324                                              (WPARAM)dlgInfo->hUserFont, 0 );
 325         if (SendMessageW(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
 326         {
 327               /* If there's already a default push-button, set it back */
 328               /* to normal and use this one instead. */
 329             if (hwndDefButton)
 330                 SendMessageW( hwndDefButton, BM_SETSTYLE, BS_PUSHBUTTON, FALSE );
 331             hwndDefButton = hwndCtrl;
 332             dlgInfo->idResult = GetWindowLongPtrA( hwndCtrl, GWLP_ID );
 333         }
 334     }
 335     TRACE(" END\n" );
 336     return TRUE;
 337 }
 338
 339
 340 /***********************************************************************
 341  *           DIALOG_ParseTemplate32
 342  *
 343  * Fill a DLG_TEMPLATE structure from the dialog template, and return
 344  * a pointer to the first control.
 345  */
 346 static LPCSTR DIALOG_ParseTemplate32( LPCSTR template, DLG_TEMPLATE * result )
 347 {
 348     const WORD *p = (const WORD *)template;
 349     WORD signature;
 350     WORD dlgver;
 351
 352     signature = GET_WORD(p); p++;
 353     dlgver = GET_WORD(p); p++;
 354
 355     if (signature == 1 && dlgver == 0xffff)  /* DIALOGEX resource */
 356     {
 357         result->dialogEx = TRUE;
 358         result->helpId   = GET_DWORD(p); p += 2;
 359         result->exStyle  = GET_DWORD(p); p += 2;
 360         result->style    = GET_DWORD(p); p += 2;
 361     }
 362     else
 363     {
 364         result->style = GET_DWORD(p - 2);
 365         result->dialogEx = FALSE;
 366         result->helpId   = 0;
 367         result->exStyle  = GET_DWORD(p); p += 2;
 368     }
 369     result->nbItems = GET_WORD(p); p++;
 370     result->x       = GET_WORD(p); p++;
 371     result->y       = GET_WORD(p); p++;
 372     result->cx      = GET_WORD(p); p++;
 373     result->cy      = GET_WORD(p); p++;
 374     TRACE("DIALOG%s %d, %d, %d, %d, %d\n",
 375            result->dialogEx ? "EX" : "", result->x, result->y,
 376            result->cx, result->cy, result->helpId );
 377     TRACE(" STYLE 0x%08x\n", result->style );
 378     TRACE(" EXSTYLE 0x%08x\n", result->exStyle );
 379
 380     /* Get the menu name */
 381
 382     switch(GET_WORD(p))
 383     {
 384     case 0x0000:
 385         result->menuName = NULL;
 386         p++;
 387         break;
 388     case 0xffff:
 389         result->menuName = MAKEINTRESOURCEW(GET_WORD( p + 1 ));
 390         p += 2;
 391         TRACE(" MENU %04x\n", LOWORD(result->menuName) );
 392         break;
 393     default:
 394         result->menuName = p;
 395         TRACE(" MENU %s\n", debugstr_w(result->menuName) );
 396         p += strlenW( result->menuName ) + 1;
 397         break;
 398     }
 399
 400     /* Get the class name */
 401
 402     switch(GET_WORD(p))
 403     {
 404     case 0x0000:
 405         result->className = (LPCWSTR)DIALOG_CLASS_ATOM;
 406         p++;
 407         break;
 408     case 0xffff:
 409         result->className = MAKEINTRESOURCEW(GET_WORD( p + 1 ));
 410         p += 2;
 411         TRACE(" CLASS %04x\n", LOWORD(result->className) );
 412         break;
 413     default:
 414         result->className = p;
 415         TRACE(" CLASS %s\n", debugstr_w( result->className ));
 416         p += strlenW( result->className ) + 1;
 417         break;
 418     }
 419
 420     /* Get the window caption */
 421
 422     result->caption = p;
 423     p += strlenW( result->caption ) + 1;
 424     TRACE(" CAPTION %s\n", debugstr_w( result->caption ) );
 425
 426     /* Get the font name */
 427
 428     result->pointSize = 0;
 429     result->faceName = NULL;
 430     result->weight = FW_DONTCARE;
 431     result->italic = FALSE;
 432
 433     if (result->style & DS_SETFONT)
 434     {
 435         result->pointSize = GET_WORD(p);
 436         p++;
 437
 438         /* If pointSize is 0x7fff, it means that we need to use the font
 439          * in NONCLIENTMETRICSW.lfMessageFont, and NOT read the weight,
 440          * italic, and facename from the dialog template.
 441          */
 442         if (result->pointSize == 0x7fff)
 443         {
 444             /* We could call SystemParametersInfo here, but then we'd have
 445              * to convert from pixel size to point size (which can be
 446              * imprecise).
 447              */
 448             TRACE(" FONT: Using message box font\n");
 449         }
 450         else
 451         {
 452             if (result->dialogEx)
 453             {
 454                 result->weight = GET_WORD(p); p++;
 455                 result->italic = LOBYTE(GET_WORD(p)); p++;
 456             }
 457             result->faceName = p;
 458             p += strlenW( result->faceName ) + 1;
 459
 460             TRACE(" FONT %d, %s, %d, %s\n",
 461                   result->pointSize, debugstr_w( result->faceName ),
 462                   result->weight, result->italic ? "TRUE" : "FALSE" );
 463         }
 464     }
 465
 466     /* First control is on dword boundary */
 467     return (LPCSTR)(((UINT_PTR)p + 3) & ~3);
 468 }
 469
 470
 471 /***********************************************************************
 472  *           DIALOG_CreateIndirect
 473  *       Creates a dialog box window
 474  *
 475  *       modal = TRUE if we are called from a modal dialog box.
 476  *       (it's more compatible to do it here, as under Windows the owner
 477  *       is never disabled if the dialog fails because of an invalid template)
 478  */
 479 static HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCVOID dlgTemplate,
 480                                    HWND owner, DLGPROC dlgProc, LPARAM param,
 481                                    BOOL unicode, BOOL modal )
 482 {
 483     HWND hwnd;
 484     RECT rect;
 485     POINT pos;
 486     SIZE size;
 487     DLG_TEMPLATE template;
 488     DIALOGINFO * dlgInfo = NULL;
 489     DWORD units = GetDialogBaseUnits();
 490     BOOL ownerEnabled = TRUE;
 491     HMENU hMenu = 0;
 492     HFONT hUserFont = 0;
 493     UINT flags = 0;
 494     UINT xBaseUnit = LOWORD(units);
 495     UINT yBaseUnit = HIWORD(units);
 496
 497       /* Parse dialog template */
 498
 499     if (!dlgTemplate) return 0;
 500     dlgTemplate = DIALOG_ParseTemplate32( dlgTemplate, &template );
 501
 502       /* Load menu */
 503
 504     if (template.menuName) hMenu = LoadMenuW( hInst, template.menuName );
 505
 506       /* Create custom font if needed */
 507
 508     if (template.style & DS_SETFONT)
 509     {
 510         HDC dc = GetDC(0);
 511
 512         if (template.pointSize == 0x7fff)
 513         {
 514             /* We get the message font from the non-client metrics */
 515             NONCLIENTMETRICSW ncMetrics;
 516
 517             ncMetrics.cbSize = sizeof(NONCLIENTMETRICSW);
 518             if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
 519                                       sizeof(NONCLIENTMETRICSW), &ncMetrics, 0))
 520             {
 521                 hUserFont = CreateFontIndirectW( &ncMetrics.lfMessageFont );
 522             }
 523         }
 524         else
 525         {
 526             /* We convert the size to pixels and then make it -ve.  This works
 527              * for both +ve and -ve template.pointSize */
 528             int pixels = MulDiv(template.pointSize, GetDeviceCaps(dc , LOGPIXELSY), 72);
 529             hUserFont = CreateFontW( -pixels, 0, 0, 0, template.weight,
 530                                               template.italic, FALSE, FALSE, DEFAULT_CHARSET, 0, 0,
 531                                               PROOF_QUALITY, FF_DONTCARE,
 532                                               template.faceName );
 533         }
 534
 535         if (hUserFont)
 536         {
 537             SIZE charSize;
 538             HFONT hOldFont = SelectObject( dc, hUserFont );
 539             charSize.cx = GdiGetCharDimensions( dc, NULL, &charSize.cy );
 540             if (charSize.cx)
 541             {
 542                 xBaseUnit = charSize.cx;
 543                 yBaseUnit = charSize.cy;
 544             }
 545             SelectObject( dc, hOldFont );
 546         }
 547         ReleaseDC(0, dc);
 548         TRACE("units = %d,%d\n", xBaseUnit, yBaseUnit );
 549     }
 550
 551     /* Create dialog main window */
 552
 553     rect.left = rect.top = 0;
 554     rect.right = MulDiv(template.cx, xBaseUnit, 4);
 555     rect.bottom =  MulDiv(template.cy, yBaseUnit, 8);
 556     if (template.style & WS_CHILD)
 557         template.style &= ~(WS_CAPTION|WS_SYSMENU);
 558     if (template.style & DS_MODALFRAME)
 559         template.exStyle |= WS_EX_DLGMODALFRAME;
 560     if (template.style & DS_CONTROL)
 561         template.exStyle |= WS_EX_CONTROLPARENT;
 562     AdjustWindowRectEx( &rect, template.style, (hMenu != 0), template.exStyle );
 563     pos.x = rect.left;
 564     pos.y = rect.top;
 565     size.cx = rect.right - rect.left;
 566     size.cy = rect.bottom - rect.top;
 567
 568     if (template.x == (SHORT)0x8000 /*CW_USEDEFAULT16*/)
 569     {
 570         pos.x = pos.y = CW_USEDEFAULT;
 571     }
 572     else
 573     {
 574         HMONITOR monitor = 0;
 575         MONITORINFO mon_info;
 576
 577         mon_info.cbSize = sizeof(mon_info);
 578         if (template.style & DS_CENTER)
 579         {
 580             monitor = MonitorFromWindow( owner ? owner : GetActiveWindow(), MONITOR_DEFAULTTOPRIMARY );
 581             GetMonitorInfoW( monitor, &mon_info );
 582             pos.x = (mon_info.rcWork.left + mon_info.rcWork.right - size.cx) / 2;
 583             pos.y = (mon_info.rcWork.top + mon_info.rcWork.bottom - size.cy) / 2;
 584         }
 585         else if (template.style & DS_CENTERMOUSE)
 586         {
 587             GetCursorPos( &pos );
 588             monitor = MonitorFromPoint( pos, MONITOR_DEFAULTTOPRIMARY );
 589             GetMonitorInfoW( monitor, &mon_info );
 590         }
 591         else
 592         {
 593             pos.x += MulDiv(template.x, xBaseUnit, 4);
 594             pos.y += MulDiv(template.y, yBaseUnit, 8);
 595             if (!(template.style & (WS_CHILD|DS_ABSALIGN))) ClientToScreen( owner, &pos );
 596         }
 597         if ( !(template.style & WS_CHILD) )
 598         {
 599             INT dX, dY;
 600
 601             /* try to fit it into the desktop */
 602
 603             if (!monitor)
 604             {
 605                 SetRect( &rect, pos.x, pos.y, pos.x + size.cx, pos.y + size.cy );
 606                 monitor = MonitorFromRect( &rect, MONITOR_DEFAULTTOPRIMARY );
 607                 GetMonitorInfoW( monitor, &mon_info );
 608             }
 609             if ((dX = pos.x + size.cx + GetSystemMetrics(SM_CXDLGFRAME) - mon_info.rcWork.right) > 0)
 610                 pos.x -= dX;
 611             if ((dY = pos.y + size.cy + GetSystemMetrics(SM_CYDLGFRAME) - mon_info.rcWork.bottom) > 0)
 612                 pos.y -= dY;
 613             if( pos.x < mon_info.rcWork.left ) pos.x = mon_info.rcWork.left;
 614             if( pos.y < mon_info.rcWork.top ) pos.y = mon_info.rcWork.top;
 615         }
 616     }
 617
 618     if (modal)
 619     {
 620         ownerEnabled = DIALOG_DisableOwner( owner );
 621         if (ownerEnabled) flags |= DF_OWNERENABLED;
 622     }
 623
 624     if (unicode)
 625     {
 626         hwnd = CreateWindowExW(template.exStyle, template.className, template.caption,
 627                                template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
 628                                owner, hMenu, hInst, NULL );
 629     }
 630     else
 631     {
 632         LPCSTR class = (LPCSTR)template.className;
 633         LPCSTR caption = (LPCSTR)template.caption;
 634         LPSTR class_tmp = NULL;
 635         LPSTR caption_tmp = NULL;
 636
 637         if (HIWORD(class))
 638         {
 639             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.className, -1, NULL, 0, NULL, NULL );
 640             class_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 641             WideCharToMultiByte( CP_ACP, 0, template.className, -1, class_tmp, len, NULL, NULL );
 642             class = class_tmp;
 643         }
 644         if (HIWORD(caption))
 645         {
 646             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.caption, -1, NULL, 0, NULL, NULL );
 647             caption_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 648             WideCharToMultiByte( CP_ACP, 0, template.caption, -1, caption_tmp, len, NULL, NULL );
 649             caption = caption_tmp;
 650         }
 651         hwnd = CreateWindowExA(template.exStyle, class, caption,
 652                                template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
 653                                owner, hMenu, hInst, NULL );
 654         HeapFree( GetProcessHeap(), 0, class_tmp );
 655         HeapFree( GetProcessHeap(), 0, caption_tmp );
 656     }
 657
 658     if (!hwnd)
 659     {
 660         if (hUserFont) DeleteObject( hUserFont );
 661         if (hMenu) DestroyMenu( hMenu );
 662         if (modal && (flags & DF_OWNERENABLED)) DIALOG_EnableOwner(owner);
 663         return 0;
 664     }
 665
 666     /* moved this from the top of the method to here as DIALOGINFO structure
 667     will be valid only after WM_CREATE message has been handled in DefDlgProc
 668     All the members of the structure get filled here using temp variables */
 669     dlgInfo = DIALOG_get_info( hwnd, TRUE );
 670     dlgInfo->hwndFocus   = 0;
 671     dlgInfo->hUserFont   = hUserFont;
 672     dlgInfo->hMenu       = hMenu;
 673     dlgInfo->xBaseUnit   = xBaseUnit;
 674     dlgInfo->yBaseUnit   = yBaseUnit;
 675     dlgInfo->idResult    = IDOK;
 676     dlgInfo->flags       = flags;
 677     dlgInfo->hDialogHeap = 0;
 678
 679     if (template.helpId) SetWindowContextHelpId( hwnd, template.helpId );
 680
 681     if (unicode) SetWindowLongPtrW( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
 682     else SetWindowLongPtrA( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
 683
 684     if (dlgProc && dlgInfo->hUserFont)
 685         SendMessageW( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
 686
 687     /* Create controls */
 688
 689     if (DIALOG_CreateControls32( hwnd, dlgTemplate, &template, hInst, unicode ))
 690     {
 691         /* Send initialisation messages and set focus */
 692
 693         if (dlgProc)
 694         {
 695             if (SendMessageW( hwnd, WM_INITDIALOG, (WPARAM)dlgInfo->hwndFocus, param ) &&
 696                 ((~template.style & DS_CONTROL) || (template.style & WS_VISIBLE)))
 697             {
 698                 /* By returning TRUE, app has requested a default focus assignment */
 699                 dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
 700                 if( dlgInfo->hwndFocus )
 701                     SetFocus( dlgInfo->hwndFocus );
 702             }
 703         }
 704
 705         if (template.style & WS_VISIBLE && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
 706         {
 707            ShowWindow( hwnd, SW_SHOWNORMAL );   /* SW_SHOW doesn't always work */
 708         }
 709         return hwnd;
 710     }
 711     if (modal && ownerEnabled) DIALOG_EnableOwner(owner);
 712     if( IsWindow(hwnd) ) DestroyWindow( hwnd );
 713     return 0;
 714 }
 715
 716
 717 /***********************************************************************
 718  *              CreateDialogParamA (USER32.@)
 719  */
 720 HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name, HWND owner,
 721                                 DLGPROC dlgProc, LPARAM param )
 722 {
 723     HRSRC hrsrc;
 724     LPCDLGTEMPLATEA ptr;
 725
 726     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
 727     if (!(ptr = LoadResource(hInst, hrsrc))) return 0;
 728     return CreateDialogIndirectParamA( hInst, ptr, owner, dlgProc, param );
 729 }
 730
 731
 732 /***********************************************************************
 733  *              CreateDialogParamW (USER32.@)
 734  */
 735 HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name, HWND owner,
 736                                 DLGPROC dlgProc, LPARAM param )
 737 {
 738     HRSRC hrsrc;
 739     LPCDLGTEMPLATEA ptr;
 740
 741     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
 742     if (!(ptr = LoadResource(hInst, hrsrc))) return 0;
 743     return CreateDialogIndirectParamW( hInst, ptr, owner, dlgProc, param );
 744 }
 745
 746
 747 /***********************************************************************
 748  *              CreateDialogIndirectParamAorW (USER32.@)
 749  */
 750 HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst, LPCVOID dlgTemplate,
 751                                            HWND owner, DLGPROC dlgProc, LPARAM param,
 752                                            DWORD flags )
 753 {
 754     return DIALOG_CreateIndirect( hInst, dlgTemplate, owner, dlgProc, param, !flags, FALSE );
 755 }
 756
 757 /***********************************************************************
 758  *              CreateDialogIndirectParamA (USER32.@)
 759  */
 760 HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst, LPCDLGTEMPLATEA dlgTemplate,
 761                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 762 {
 763     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 2 );
 764 }
 765
 766 /***********************************************************************
 767  *              CreateDialogIndirectParamW (USER32.@)
 768  */
 769 HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst, LPCDLGTEMPLATEW dlgTemplate,
 770                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 771 {
 772     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 0 );
 773 }
 774
 775
 776 /***********************************************************************
 777  *           DIALOG_DoDialogBox
 778  */
 779 INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
 780 {
 781     DIALOGINFO * dlgInfo;
 782     MSG msg;
 783     INT retval;
 784     HWND ownerMsg = GetAncestor( owner, GA_ROOT );
 785     BOOL bFirstEmpty;
 786
 787     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return -1;
 788
 789     bFirstEmpty = TRUE;
 790     if (!(dlgInfo->flags & DF_END)) /* was EndDialog called in WM_INITDIALOG ? */
 791     {
 792         for (;;)
 793         {
 794             if (!PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
 795             {
 796                 if (bFirstEmpty)
 797                 {
 798                     /* ShowWindow the first time the queue goes empty */
 799                     ShowWindow( hwnd, SW_SHOWNORMAL );
 800                     bFirstEmpty = FALSE;
 801                 }
 802                 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & DS_NOIDLEMSG))
 803                {
 804                     /* No message present -> send ENTERIDLE and wait */
 805                     SendMessageW( ownerMsg, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)hwnd );
 806                 }
 807                 if (!GetMessageW( &msg, 0, 0, 0 )) break;
 808             }
 809
 810             if (!IsWindow( hwnd )) return 0;
 811             if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
 812             {
 813                 TranslateMessage( &msg );
 814                 DispatchMessageW( &msg );
 815             }
 816             if (dlgInfo->flags & DF_END) break;
 817         }
 818     }
 819     if (dlgInfo->flags & DF_OWNERENABLED) DIALOG_EnableOwner( owner );
 820     retval = dlgInfo->idResult;
 821     DestroyWindow( hwnd );
 822     return retval;
 823 }
 824
 825
 826 /***********************************************************************
 827  *              DialogBoxParamA (USER32.@)
 828  */
 829 INT_PTR WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
 830                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 831 {
 832     HWND hwnd;
 833     HRSRC hrsrc;
 834     LPCDLGTEMPLATEA ptr;
 835
 836     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return -1;
 837     if (!(ptr = LoadResource(hInst, hrsrc))) return -1;
 838     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, FALSE, TRUE );
 839     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 840     return 0;
 841 }
 842
 843
 844 /***********************************************************************
 845  *              DialogBoxParamW (USER32.@)
 846  */
 847 INT_PTR WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
 848                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 849 {
 850     HWND hwnd;
 851     HRSRC hrsrc;
 852     LPCDLGTEMPLATEW ptr;
 853
 854     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return -1;
 855     if (!(ptr = LoadResource(hInst, hrsrc))) return -1;
 856     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, TRUE, TRUE );
 857     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 858     return 0;
 859 }
 860
 861
 862 /***********************************************************************
 863  *              DialogBoxIndirectParamAorW (USER32.@)
 864  */
 865 INT_PTR WINAPI DialogBoxIndirectParamAorW( HINSTANCE hInstance, LPCVOID template,
 866                                            HWND owner, DLGPROC dlgProc,
 867                                            LPARAM param, DWORD flags )
 868 {
 869     HWND hwnd = DIALOG_CreateIndirect( hInstance, template, owner, dlgProc, param, !flags, TRUE );
 870     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 871     return -1;
 872 }
 873
 874 /***********************************************************************
 875  *              DialogBoxIndirectParamA (USER32.@)
 876  */
 877 INT_PTR WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCDLGTEMPLATEA template,
 878                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 879 {
 880     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 2 );
 881 }
 882
 883
 884 /***********************************************************************
 885  *              DialogBoxIndirectParamW (USER32.@)
 886  */
 887 INT_PTR WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCDLGTEMPLATEW template,
 888                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 889 {
 890     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 0 );
 891 }
 892
 893 /***********************************************************************
 894  *              EndDialog (USER32.@)
 895  */
 896 BOOL WINAPI EndDialog( HWND hwnd, INT_PTR retval )
 897 {
 898     BOOL wasEnabled = TRUE;
 899     DIALOGINFO * dlgInfo;
 900     HWND owner;
 901
 902     TRACE("%p %ld\n", hwnd, retval );
 903
 904     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE )))
 905     {
 906         ERR("got invalid window handle (%p); buggy app !?\n", hwnd);
 907         return FALSE;
 908     }
 909     dlgInfo->idResult = retval;
 910     dlgInfo->flags |= DF_END;
 911     wasEnabled = (dlgInfo->flags & DF_OWNERENABLED);
 912
 913     if (wasEnabled && (owner = GetWindow( hwnd, GW_OWNER )))
 914         DIALOG_EnableOwner( owner );
 915
 916     /* Windows sets the focus to the dialog itself in EndDialog */
 917
 918     if (IsChild(hwnd, GetFocus()))
 919        SetFocus( hwnd );
 920
 921     /* Don't have to send a ShowWindow(SW_HIDE), just do
 922        SetWindowPos with SWP_HIDEWINDOW as done in Windows */
 923
 924     SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
 925                  | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
 926
 927     if (hwnd == GetActiveWindow()) WINPOS_ActivateOtherWindow( hwnd );
 928
 929     /* unblock dialog loop */
 930     PostMessageA(hwnd, WM_NULL, 0, 0);
 931     return TRUE;
 932 }
 933
 934
 935 /***********************************************************************
 936  *           DIALOG_IsAccelerator
 937  */
 938 static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
 939 {
 940     HWND hwndControl = hwnd;
 941     HWND hwndNext;
 942     INT dlgCode;
 943     WCHAR buffer[128];
 944
 945     do
 946     {
 947         DWORD style = GetWindowLongW( hwndControl, GWL_STYLE );
 948         if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
 949         {
 950             dlgCode = SendMessageW( hwndControl, WM_GETDLGCODE, 0, 0 );
 951             if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
 952                  GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
 953             {
 954                 /* find the accelerator key */
 955                 LPWSTR p = buffer - 2;
 956
 957                 do
 958                 {
 959                     p = strchrW( p + 2, '&' );
 960                 }
 961                 while (p != NULL && p[1] == '&');
 962
 963                 /* and check if it's the one we're looking for */
 964                 if (p != NULL && toupperW( p[1] ) == toupperW( wParam ) )
 965                 {
 966                     if ((dlgCode & DLGC_STATIC) || (style & 0x0f) == BS_GROUPBOX )
 967                     {
 968                         /* set focus to the control */
 969                         SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndControl, 1);
 970                         /* and bump it on to next */
 971                         SendMessageW( hwndDlg, WM_NEXTDLGCTL, 0, 0);
 972                     }
 973                     else if (dlgCode & DLGC_BUTTON)
 974                     {
 975                         /* send BM_CLICK message to the control */
 976                         SendMessageW( hwndControl, BM_CLICK, 0, 0 );
 977                     }
 978                     return TRUE;
 979                 }
 980             }
 981             hwndNext = GetWindow( hwndControl, GW_CHILD );
 982         }
 983         else hwndNext = 0;
 984
 985         if (!hwndNext) hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
 986
 987         while (!hwndNext && hwndControl)
 988         {
 989             hwndControl = GetParent( hwndControl );
 990             if (hwndControl == hwndDlg)
 991             {
 992                 if(hwnd==hwndDlg)   /* prevent endless loop */
 993                 {
 994                     hwndNext=hwnd;
 995                     break;
 996                 }
 997                 hwndNext = GetWindow( hwndDlg, GW_CHILD );
 998             }
 999             else
1000                 hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
1001         }
1002         hwndControl = hwndNext;
1003     }
1004     while (hwndControl && (hwndControl != hwnd));
1005
1006     return FALSE;
1007 }
1008
1009 /***********************************************************************
1010  *           DIALOG_FindMsgDestination
1011  *
1012  * The messages that IsDialogMessage sends may not go to the dialog
1013  * calling IsDialogMessage if that dialog is a child, and it has the
1014  * DS_CONTROL style set.
1015  * We propagate up until we hit one that does not have DS_CONTROL, or
1016  * whose parent is not a dialog.
1017  *
1018  * This is undocumented behaviour.
1019  */
1020 static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
1021 {
1022     while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
1023     {
1024         WND *pParent;
1025         HWND hParent = GetParent(hwndDlg);
1026         if (!hParent) break;
1027
1028         pParent = WIN_GetPtr(hParent);
1029         if (!pParent || pParent == WND_OTHER_PROCESS || pParent == WND_DESKTOP) break;
1030
1031         if (!(pParent->flags & WIN_ISDIALOG))
1032         {
1033             WIN_ReleasePtr(pParent);
1034             break;
1035         }
1036         WIN_ReleasePtr(pParent);
1037
1038         hwndDlg = hParent;
1039     }
1040
1041     return hwndDlg;
1042 }
1043
1044 /***********************************************************************
1045  *              DIALOG_FixOneChildOnChangeFocus
1046  *
1047  * Callback helper for DIALOG_FixChildrenOnChangeFocus
1048  */
1049
1050 static BOOL CALLBACK DIALOG_FixOneChildOnChangeFocus (HWND hwndChild,
1051         LPARAM lParam)
1052 {
1053     /* If a default pushbutton then no longer default */
1054     if (DLGC_DEFPUSHBUTTON & SendMessageW (hwndChild, WM_GETDLGCODE, 0, 0))
1055         SendMessageW (hwndChild, BM_SETSTYLE, BS_PUSHBUTTON, TRUE);
1056     return TRUE;
1057 }
1058
1059 /***********************************************************************
1060  *              DIALOG_FixChildrenOnChangeFocus
1061  *
1062  * Following the change of focus that occurs for example after handling
1063  * a WM_KEYDOWN VK_TAB in IsDialogMessage, some tidying of the dialog's
1064  * children may be required.
1065  */
1066 static void DIALOG_FixChildrenOnChangeFocus (HWND hwndDlg, HWND hwndNext)
1067 {
1068     INT dlgcode_next = SendMessageW (hwndNext, WM_GETDLGCODE, 0, 0);
1069     /* INT dlgcode_dlg  = SendMessageW (hwndDlg, WM_GETDLGCODE, 0, 0); */
1070     /* Windows does ask for this.  I don't know why yet */
1071
1072     EnumChildWindows (hwndDlg, DIALOG_FixOneChildOnChangeFocus, 0);
1073
1074     /* If the button that is getting the focus WAS flagged as the default
1075      * pushbutton then ask the dialog what it thinks the default is and
1076      * set that in the default style.
1077      */
1078     if (dlgcode_next & DLGC_DEFPUSHBUTTON)
1079     {
1080         DWORD def_id = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0);
1081         if (HIWORD(def_id) == DC_HASDEFID)
1082         {
1083             HWND hwndDef;
1084             def_id = LOWORD(def_id);
1085             hwndDef = GetDlgItem (hwndDlg, def_id);
1086             if (hwndDef)
1087             {
1088                 INT dlgcode_def = SendMessageW (hwndDef, WM_GETDLGCODE, 0, 0);
1089                 /* I know that if it is a button then it should already be a
1090                  * UNDEFPUSHBUTTON, since we have just told the buttons to
1091                  * change style.  But maybe they ignored our request
1092                  */
1093                 if ((dlgcode_def & DLGC_BUTTON) &&
1094                         (dlgcode_def &  DLGC_UNDEFPUSHBUTTON))
1095                 {
1096                     SendMessageW (hwndDef, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1097                 }
1098             }
1099         }
1100     }
1101     else if ((dlgcode_next & DLGC_BUTTON) && (dlgcode_next & DLGC_UNDEFPUSHBUTTON))
1102     {
1103         SendMessageW (hwndNext, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1104         /* I wonder why it doesn't send a DM_SETDEFID */
1105     }
1106 }
1107
1108 /***********************************************************************
1109  *              IsDialogMessageW (USER32.@)
1110  */
1111 BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
1112 {
1113     INT dlgCode = 0;
1114
1115     if (CallMsgFilterW( msg, MSGF_DIALOGBOX )) return TRUE;
1116
1117     hwndDlg = WIN_GetFullHandle( hwndDlg );
1118     if (is_desktop_window(hwndDlg)) return FALSE;
1119     if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
1120
1121     hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
1122
1123     switch(msg->message)
1124     {
1125     case WM_KEYDOWN:
1126         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1127         if (dlgCode & (DLGC_WANTMESSAGE)) break;
1128
1129         switch(msg->wParam)
1130         {
1131         case VK_TAB:
1132             if (!(dlgCode & DLGC_WANTTAB))
1133             {
1134                 BOOL fIsDialog = TRUE;
1135                 WND *pWnd = WIN_GetPtr( hwndDlg );
1136
1137                 if (pWnd && pWnd != WND_OTHER_PROCESS)
1138                 {
1139                     fIsDialog = (pWnd->flags & WIN_ISDIALOG) != 0;
1140                     WIN_ReleasePtr(pWnd);
1141                 }
1142
1143                 /* I am not sure under which circumstances the TAB is handled
1144                  * each way.  All I do know is that it does not always simply
1145                  * send WM_NEXTDLGCTL.  (Personally I have never yet seen it
1146                  * do so but I presume someone has)
1147                  */
1148                 if (fIsDialog)
1149                     SendMessageW( hwndDlg, WM_NEXTDLGCTL, (GetKeyState(VK_SHIFT) & 0x8000), 0 );
1150                 else
1151                 {
1152                     /* It would appear that GetNextDlgTabItem can handle being
1153                      * passed hwndDlg rather than NULL but that is undocumented
1154                      * so let's do it properly
1155                      */
1156                     HWND hwndFocus = GetFocus();
1157                     HWND hwndNext = GetNextDlgTabItem (hwndDlg,
1158                             hwndFocus == hwndDlg ? NULL : hwndFocus,
1159                             GetKeyState (VK_SHIFT) & 0x8000);
1160                     if (hwndNext)
1161                     {
1162                         dlgCode = SendMessageW (hwndNext, WM_GETDLGCODE,
1163                                 msg->wParam, (LPARAM)msg);
1164                         if (dlgCode & DLGC_HASSETSEL)
1165                         {
1166                             INT maxlen = 1 + SendMessageW (hwndNext, WM_GETTEXTLENGTH, 0, 0);
1167                             WCHAR *buffer = HeapAlloc (GetProcessHeap(), 0, maxlen * sizeof(WCHAR));
1168                             if (buffer)
1169                             {
1170                                 INT length;
1171                                 SendMessageW (hwndNext, WM_GETTEXT, maxlen, (LPARAM) buffer);
1172                                 length = strlenW (buffer);
1173                                 HeapFree (GetProcessHeap(), 0, buffer);
1174                                 SendMessageW (hwndNext, EM_SETSEL, 0, length);
1175                             }
1176                         }
1177                         SetFocus (hwndNext);
1178                         DIALOG_FixChildrenOnChangeFocus (hwndDlg, hwndNext);
1179                     }
1180                     else
1181                         return FALSE;
1182                 }
1183                 return TRUE;
1184             }
1185             break;
1186
1187         case VK_RIGHT:
1188         case VK_DOWN:
1189         case VK_LEFT:
1190         case VK_UP:
1191             if (!(dlgCode & DLGC_WANTARROWS))
1192             {
1193                 BOOL fPrevious = (msg->wParam == VK_LEFT || msg->wParam == VK_UP);
1194                 HWND hwndNext = GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
1195                 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndNext, 1 );
1196                 return TRUE;
1197             }
1198             break;
1199
1200         case VK_CANCEL:
1201         case VK_ESCAPE:
1202             SendMessageW( hwndDlg, WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
1203             return TRUE;
1204
1205         case VK_EXECUTE:
1206         case VK_RETURN:
1207             {
1208                 DWORD dw;
1209                 if ((GetFocus() == msg->hwnd) &&
1210                     (SendMessageW (msg->hwnd, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
1211                 {
1212                     SendMessageW (hwndDlg, WM_COMMAND, MAKEWPARAM (GetDlgCtrlID(msg->hwnd),BN_CLICKED), (LPARAM)msg->hwnd);
1213                 }
1214                 else if (DC_HASDEFID == HIWORD(dw = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0)))
1215                 {
1216                     HWND hwndDef = GetDlgItem(hwndDlg, LOWORD(dw));
1217                     if (!hwndDef || !IsWindowEnabled(hwndDef))
1218                         return TRUE;
1219                     SendMessageW( hwndDlg, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
1220                                     (LPARAM)GetDlgItem(hwndDlg, LOWORD(dw)));
1221                 }
1222                 else
1223                 {
1224                     SendMessageW( hwndDlg, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
1225
1226                 }
1227             }
1228             return TRUE;
1229         }
1230         break;
1231
1232     case WM_CHAR:
1233         /* FIXME Under what circumstances does WM_GETDLGCODE get sent?
1234          * It does NOT get sent in the test program I have
1235          */
1236         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1237         if (dlgCode & (DLGC_WANTCHARS|DLGC_WANTMESSAGE)) break;
1238         if (msg->wParam == '\t' && (dlgCode & DLGC_WANTTAB)) break;
1239         /* drop through */
1240
1241     case WM_SYSCHAR:
1242         if (DIALOG_IsAccelerator( WIN_GetFullHandle(msg->hwnd), hwndDlg, msg->wParam ))
1243         {
1244             /* don't translate or dispatch */
1245             return TRUE;
1246         }
1247         break;
1248     }
1249
1250     TranslateMessage( msg );
1251     DispatchMessageW( msg );
1252     return TRUE;
1253 }
1254
1255
1256 /***********************************************************************
1257  *              GetDlgCtrlID (USER32.@)
1258  */
1259 INT WINAPI GetDlgCtrlID( HWND hwnd )
1260 {
1261     return GetWindowLongPtrW( hwnd, GWLP_ID );
1262 }
1263
1264
1265 /***********************************************************************
1266  *              GetDlgItem (USER32.@)
1267  */
1268 HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
1269 {
1270     int i;
1271     HWND *list = WIN_ListChildren( hwndDlg );
1272     HWND ret = 0;
1273
1274     if (!list) return 0;
1275
1276     for (i = 0; list[i]; i++) if (GetWindowLongPtrW( list[i], GWLP_ID ) == id) break;
1277     ret = list[i];
1278     HeapFree( GetProcessHeap(), 0, list );
1279     return ret;
1280 }
1281
1282
1283 /*******************************************************************
1284  *              SendDlgItemMessageA (USER32.@)
1285  */
1286 LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
1287                                       WPARAM wParam, LPARAM lParam )
1288 {
1289     HWND hwndCtrl = GetDlgItem( hwnd, id );
1290     if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
1291     else return 0;
1292 }
1293
1294
1295 /*******************************************************************
1296  *              SendDlgItemMessageW (USER32.@)
1297  */
1298 LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
1299                                       WPARAM wParam, LPARAM lParam )
1300 {
1301     HWND hwndCtrl = GetDlgItem( hwnd, id );
1302     if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
1303     else return 0;
1304 }
1305
1306
1307 /*******************************************************************
1308  *              SetDlgItemTextA (USER32.@)
1309  */
1310 BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
1311 {
1312     return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1313 }
1314
1315
1316 /*******************************************************************
1317  *              SetDlgItemTextW (USER32.@)
1318  */
1319 BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
1320 {
1321     return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1322 }
1323
1324
1325 /***********************************************************************
1326  *              GetDlgItemTextA (USER32.@)
1327  */
1328 UINT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, INT len )
1329 {
1330     if (str && (len > 0)) str[0] = '\0';
1331     return (UINT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
1332                                          len, (LPARAM)str );
1333 }
1334
1335
1336 /***********************************************************************
1337  *              GetDlgItemTextW (USER32.@)
1338  */
1339 UINT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, INT len )
1340 {
1341     if (str && (len > 0)) str[0] = '\0';
1342     return (UINT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
1343                                          len, (LPARAM)str );
1344 }
1345
1346
1347 /*******************************************************************
1348  *              SetDlgItemInt (USER32.@)
1349  */
1350 BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
1351                              BOOL fSigned )
1352 {
1353     char str[20];
1354
1355     if (fSigned) sprintf( str, "%d", (INT)value );
1356     else sprintf( str, "%u", value );
1357     SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
1358     return TRUE;
1359 }
1360
1361
1362 /***********************************************************************
1363  *              GetDlgItemInt (USER32.@)
1364  */
1365 UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
1366                                BOOL fSigned )
1367 {
1368     char str[30];
1369     char * endptr;
1370     long result = 0;
1371
1372     if (translated) *translated = FALSE;
1373     if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
1374         return 0;
1375     if (fSigned)
1376     {
1377         result = strtol( str, &endptr, 10 );
1378         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1379             return 0;
1380         if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
1381             return 0;
1382     }
1383     else
1384     {
1385         result = strtoul( str, &endptr, 10 );
1386         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1387             return 0;
1388         if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
1389     }
1390     if (translated) *translated = TRUE;
1391     return (UINT)result;
1392 }
1393
1394
1395 /***********************************************************************
1396  *              CheckDlgButton (USER32.@)
1397  */
1398 BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
1399 {
1400     SendDlgItemMessageW( hwnd, id, BM_SETCHECK, check, 0 );
1401     return TRUE;
1402 }
1403
1404
1405 /***********************************************************************
1406  *              IsDlgButtonChecked (USER32.@)
1407  */
1408 UINT WINAPI IsDlgButtonChecked( HWND hwnd, int id )
1409 {
1410     return (UINT)SendDlgItemMessageW( hwnd, id, BM_GETCHECK, 0, 0 );
1411 }
1412
1413
1414 /***********************************************************************
1415  *           CheckRB
1416  *
1417  * Callback function used to check/uncheck radio buttons that fall
1418  * within a specific range of IDs.
1419  */
1420 static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
1421 {
1422     LONG lChildID = GetWindowLongPtrW(hwndChild, GWLP_ID);
1423     RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
1424
1425     if ((lChildID >= lpRadioGroup->firstID) &&
1426         (lChildID <= lpRadioGroup->lastID))
1427     {
1428         if (lChildID == lpRadioGroup->checkID)
1429         {
1430             SendMessageW(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
1431         }
1432         else
1433         {
1434             SendMessageW(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
1435         }
1436     }
1437
1438     return TRUE;
1439 }
1440
1441
1442 /***********************************************************************
1443  *              CheckRadioButton (USER32.@)
1444  */
1445 BOOL WINAPI CheckRadioButton( HWND hwndDlg, int firstID,
1446                               int lastID, int checkID )
1447 {
1448     RADIOGROUP radioGroup;
1449
1450     radioGroup.firstID = firstID;
1451     radioGroup.lastID = lastID;
1452     radioGroup.checkID = checkID;
1453
1454     return EnumChildWindows(hwndDlg, (WNDENUMPROC)CheckRB,
1455                             (LPARAM)&radioGroup);
1456 }
1457
1458
1459 /***********************************************************************
1460  *              GetDialogBaseUnits (USER.243)
1461  *              GetDialogBaseUnits (USER32.@)
1462  */
1463 DWORD WINAPI GetDialogBaseUnits(void)
1464 {
1465     static DWORD units;
1466
1467     if (!units)
1468     {
1469         HDC hdc;
1470         SIZE size;
1471
1472         if ((hdc = GetDC(0)))
1473         {
1474             size.cx = GdiGetCharDimensions( hdc, NULL, &size.cy );
1475             if (size.cx) units = MAKELONG( size.cx, size.cy );
1476             ReleaseDC( 0, hdc );
1477         }
1478         TRACE("base units = %d,%d\n", LOWORD(units), HIWORD(units) );
1479     }
1480     return units;
1481 }
1482
1483
1484 /***********************************************************************
1485  *              MapDialogRect (USER32.@)
1486  */
1487 BOOL WINAPI MapDialogRect( HWND hwnd, LPRECT rect )
1488 {
1489     DIALOGINFO * dlgInfo;
1490     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return FALSE;
1491     rect->left   = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
1492     rect->right  = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
1493     rect->top    = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
1494     rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
1495     return TRUE;
1496 }
1497
1498
1499 /***********************************************************************
1500  *              GetNextDlgGroupItem (USER32.@)
1501  *
1502  * Corrections to MSDN documentation
1503  *
1504  * (Under Windows 2000 at least, where hwndDlg is not actually a dialog)
1505  * 1. hwndCtrl can be hwndDlg in which case it behaves as for NULL
1506  * 2. Prev of NULL or hwndDlg fails
1507  */
1508 HWND WINAPI GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1509 {
1510     HWND hwnd, hwndNext, retvalue, hwndLastGroup = 0;
1511     BOOL fLooped=FALSE;
1512     BOOL fSkipping=FALSE;
1513
1514     hwndDlg = WIN_GetFullHandle( hwndDlg );
1515     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1516
1517     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1518     if (!hwndCtrl && fPrevious) return 0;
1519
1520     if (hwndCtrl)
1521     {
1522         if (!IsChild (hwndDlg, hwndCtrl)) return 0;
1523     }
1524     else
1525     {
1526         /* No ctrl specified -> start from the beginning */
1527         if (!(hwndCtrl = GetWindow( hwndDlg, GW_CHILD ))) return 0;
1528         /* MSDN is wrong. fPrevious does not result in the last child */
1529
1530         /* Maybe that first one is valid.  If so then we don't want to skip it*/
1531         if ((GetWindowLongW( hwndCtrl, GWL_STYLE ) & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE)
1532         {
1533             return hwndCtrl;
1534         }
1535     }
1536
1537     /* Always go forward around the group and list of controls; for the
1538      * previous control keep track; for the next break when you find one
1539      */
1540     retvalue = hwndCtrl;
1541     hwnd = hwndCtrl;
1542     while (hwndNext = GetWindow (hwnd, GW_HWNDNEXT),
1543            1)
1544     {
1545         while (!hwndNext)
1546         {
1547             /* Climb out until there is a next sibling of the ancestor or we
1548              * reach the top (in which case we loop back to the start)
1549              */
1550             if (hwndDlg == GetParent (hwnd))
1551             {
1552                 /* Wrap around to the beginning of the list, within the same
1553                  * group. (Once only)
1554                  */
1555                 if (fLooped) goto end;
1556                 fLooped = TRUE;
1557                 hwndNext = GetWindow (hwndDlg, GW_CHILD);
1558             }
1559             else
1560             {
1561                 hwnd = GetParent (hwnd);
1562                 hwndNext = GetWindow (hwnd, GW_HWNDNEXT);
1563             }
1564         }
1565         hwnd = hwndNext;
1566
1567         /* Wander down the leading edge of controlparents */
1568         while ( (GetWindowLongW (hwnd, GWL_EXSTYLE) & WS_EX_CONTROLPARENT) &&
1569                 ((GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE) &&
1570                 (hwndNext = GetWindow (hwnd, GW_CHILD)))
1571             hwnd = hwndNext;
1572         /* Question.  If the control is a control parent but either has no
1573          * children or is not visible/enabled then if it has a WS_GROUP does
1574          * it count?  For that matter does it count anyway?
1575          * I believe it doesn't count.
1576          */
1577
1578         if ((GetWindowLongW (hwnd, GWL_STYLE) & WS_GROUP))
1579         {
1580             hwndLastGroup = hwnd;
1581             if (!fSkipping)
1582             {
1583                 /* Look for the beginning of the group */
1584                 fSkipping = TRUE;
1585             }
1586         }
1587
1588         if (hwnd == hwndCtrl)
1589         {
1590             if (!fSkipping) break;
1591             if (hwndLastGroup == hwnd) break;
1592             hwnd = hwndLastGroup;
1593             fSkipping = FALSE;
1594             fLooped = FALSE;
1595         }
1596
1597         if (!fSkipping &&
1598             (GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE|WS_DISABLED)) ==
1599              WS_VISIBLE)
1600         {
1601             retvalue = hwnd;
1602             if (!fPrevious) break;
1603         }
1604     }
1605 end:
1606     return retvalue;
1607 }
1608
1609
1610 /***********************************************************************
1611  *           DIALOG_GetNextTabItem
1612  *
1613  * Recursive helper for GetNextDlgTabItem
1614  */
1615 static HWND DIALOG_GetNextTabItem( HWND hwndMain, HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1616 {
1617     LONG dsStyle;
1618     LONG exStyle;
1619     UINT wndSearch = fPrevious ? GW_HWNDPREV : GW_HWNDNEXT;
1620     HWND retWnd = 0;
1621     HWND hChildFirst = 0;
1622
1623     if(!hwndCtrl)
1624     {
1625         hChildFirst = GetWindow(hwndDlg,GW_CHILD);
1626         if(fPrevious) hChildFirst = GetWindow(hChildFirst,GW_HWNDLAST);
1627     }
1628     else if (IsChild( hwndMain, hwndCtrl ))
1629     {
1630         hChildFirst = GetWindow(hwndCtrl,wndSearch);
1631         if(!hChildFirst)
1632         {
1633             if(GetParent(hwndCtrl) != hwndMain)
1634                 /* i.e. if we are not at the top level of the recursion */
1635                 hChildFirst = GetWindow(GetParent(hwndCtrl),wndSearch);
1636             else
1637                 hChildFirst = GetWindow(hwndCtrl, fPrevious ? GW_HWNDLAST : GW_HWNDFIRST);
1638         }
1639     }
1640
1641     while(hChildFirst)
1642     {
1643         dsStyle = GetWindowLongA(hChildFirst,GWL_STYLE);
1644         exStyle = GetWindowLongA(hChildFirst,GWL_EXSTYLE);
1645         if( (exStyle & WS_EX_CONTROLPARENT) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1646         {
1647             HWND retWnd;
1648             retWnd = DIALOG_GetNextTabItem(hwndMain,hChildFirst,NULL,fPrevious );
1649             if (retWnd) return (retWnd);
1650         }
1651         else if( (dsStyle & WS_TABSTOP) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1652         {
1653             return (hChildFirst);
1654         }
1655         hChildFirst = GetWindow(hChildFirst,wndSearch);
1656     }
1657     if(hwndCtrl)
1658     {
1659         HWND hParent = GetParent(hwndCtrl);
1660         while(hParent)
1661         {
1662             if(hParent == hwndMain) break;
1663             retWnd = DIALOG_GetNextTabItem(hwndMain,GetParent(hParent),hParent,fPrevious );
1664             if(retWnd) break;
1665             hParent = GetParent(hParent);
1666         }
1667         if(!retWnd)
1668             retWnd = DIALOG_GetNextTabItem(hwndMain,hwndMain,NULL,fPrevious );
1669     }
1670     return retWnd ? retWnd : hwndCtrl;
1671 }
1672
1673 /***********************************************************************
1674  *              GetNextDlgTabItem (USER32.@)
1675  */
1676 HWND WINAPI GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl,
1677                                    BOOL fPrevious )
1678 {
1679     hwndDlg = WIN_GetFullHandle( hwndDlg );
1680     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1681
1682     /* Undocumented but tested under Win2000 and WinME */
1683     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1684
1685     /* Contrary to MSDN documentation, tested under Win2000 and WinME
1686      * NB GetLastError returns whatever was set before the function was
1687      * called.
1688      */
1689     if (!hwndCtrl && fPrevious) return 0;
1690
1691     return DIALOG_GetNextTabItem(hwndDlg,hwndDlg,hwndCtrl,fPrevious);
1692 }
1693
1694 /**********************************************************************
1695  *           DIALOG_DlgDirSelect
1696  *
1697  * Helper function for DlgDirSelect*
1698  */
1699 static BOOL DIALOG_DlgDirSelect( HWND hwnd, LPWSTR str, INT len,
1700                                  INT id, BOOL unicode, BOOL combo )
1701 {
1702     WCHAR *buffer, *ptr;
1703     INT item, size;
1704     BOOL ret;
1705     HWND listbox = GetDlgItem( hwnd, id );
1706
1707     TRACE("%p %s %d\n", hwnd, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str), id );
1708     if (!listbox) return FALSE;
1709
1710     item = SendMessageW(listbox, combo ? CB_GETCURSEL : LB_GETCURSEL, 0, 0 );
1711     if (item == LB_ERR) return FALSE;
1712
1713     size = SendMessageW(listbox, combo ? CB_GETLBTEXTLEN : LB_GETTEXTLEN, item, 0 );
1714     if (size == LB_ERR) return FALSE;
1715
1716     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (size+2) * sizeof(WCHAR) ))) return FALSE;
1717
1718     SendMessageW( listbox, combo ? CB_GETLBTEXT : LB_GETTEXT, item, (LPARAM)buffer );
1719
1720     if ((ret = (buffer[0] == '[')))  /* drive or directory */
1721     {
1722         if (buffer[1] == '-')  /* drive */
1723         {
1724             buffer[3] = ':';
1725             buffer[4] = 0;
1726             ptr = buffer + 2;
1727         }
1728         else
1729         {
1730             buffer[strlenW(buffer)-1] = '\\';
1731             ptr = buffer + 1;
1732         }
1733     }
1734     else
1735     {
1736         /* Filenames without a dot extension must have one tacked at the end */
1737         if (strchrW(buffer, '.') == NULL)
1738         {
1739             buffer[strlenW(buffer)+1] = '\0';
1740             buffer[strlenW(buffer)] = '.';
1741         }
1742         ptr = buffer;
1743     }
1744
1745     if (!unicode)
1746     {
1747         if (len > 0 && !WideCharToMultiByte( CP_ACP, 0, ptr, -1, (LPSTR)str, len, 0, 0 ))
1748             ((LPSTR)str)[len-1] = 0;
1749     }
1750     else lstrcpynW( str, ptr, len );
1751     HeapFree( GetProcessHeap(), 0, buffer );
1752     TRACE("Returning %d %s\n", ret, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str) );
1753     return ret;
1754 }
1755
1756
1757 /**********************************************************************
1758  *          DIALOG_DlgDirListW
1759  *
1760  * Helper function for DlgDirList*W
1761  */
1762 static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1763                                INT idStatic, UINT attrib, BOOL combo )
1764 {
1765     HWND hwnd;
1766     LPWSTR orig_spec = spec;
1767     WCHAR any[] = {'*','.','*',0};
1768
1769 #define SENDMSG(msg,wparam,lparam) \
1770     ((attrib & DDL_POSTMSGS) ? PostMessageW( hwnd, msg, wparam, lparam ) \
1771                              : SendMessageW( hwnd, msg, wparam, lparam ))
1772
1773     TRACE("%p %s %d %d %04x\n", hDlg, debugstr_w(spec), idLBox, idStatic, attrib );
1774
1775     /* If the path exists and is a directory, chdir to it */
1776     if (!spec || !spec[0] || SetCurrentDirectoryW( spec )) spec = any;
1777     else
1778     {
1779         WCHAR *p, *p2;
1780         p = spec;
1781         if ((p2 = strchrW( p, ':' ))) p = p2 + 1;
1782         if ((p2 = strrchrW( p, '\\' ))) p = p2;
1783         if ((p2 = strrchrW( p, '/' ))) p = p2;
1784         if (p != spec)
1785         {
1786             WCHAR sep = *p;
1787             *p = 0;
1788             if (!SetCurrentDirectoryW( spec ))
1789             {
1790                 *p = sep;  /* Restore the original spec */
1791                 return FALSE;
1792             }
1793             spec = p + 1;
1794         }
1795     }
1796
1797     TRACE( "mask=%s\n", debugstr_w(spec) );
1798
1799     if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
1800     {
1801         if (attrib == DDL_DRIVES) attrib |= DDL_EXCLUSIVE;
1802
1803         SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
1804         if (attrib & DDL_DIRECTORY)
1805         {
1806             if (!(attrib & DDL_EXCLUSIVE))
1807             {
1808                 SENDMSG( combo ? CB_DIR : LB_DIR,
1809                          attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
1810                          (LPARAM)spec );
1811             }
1812             SENDMSG( combo ? CB_DIR : LB_DIR,
1813                    (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
1814                    (LPARAM)any );
1815         }
1816         else
1817         {
1818             SENDMSG( combo ? CB_DIR : LB_DIR, attrib, (LPARAM)spec );
1819         }
1820     }
1821
1822     /* Convert path specification to uppercase */
1823     if (spec) CharUpperW(spec);
1824
1825     if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
1826     {
1827         WCHAR temp[MAX_PATH];
1828         GetCurrentDirectoryW( sizeof(temp)/sizeof(WCHAR), temp );
1829         CharLowerW( temp );
1830         /* Can't use PostMessage() here, because the string is on the stack */
1831         SetDlgItemTextW( hDlg, idStatic, temp );
1832     }
1833
1834     if (orig_spec && (spec != orig_spec))
1835     {
1836         /* Update the original file spec */
1837         WCHAR *p = spec;
1838         while ((*orig_spec++ = *p++));
1839     }
1840
1841     return TRUE;
1842 #undef SENDMSG
1843 }
1844
1845
1846 /**********************************************************************
1847  *          DIALOG_DlgDirListA
1848  *
1849  * Helper function for DlgDirList*A
1850  */
1851 static INT DIALOG_DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1852                                INT idStatic, UINT attrib, BOOL combo )
1853 {
1854     if (spec)
1855     {
1856         INT ret, len = MultiByteToWideChar( CP_ACP, 0, spec, -1, NULL, 0 );
1857         LPWSTR specW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1858         MultiByteToWideChar( CP_ACP, 0, spec, -1, specW, len );
1859         ret = DIALOG_DlgDirListW( hDlg, specW, idLBox, idStatic, attrib, combo );
1860         WideCharToMultiByte( CP_ACP, 0, specW, -1, spec, 0x7fffffff, NULL, NULL );
1861         HeapFree( GetProcessHeap(), 0, specW );
1862         return ret;
1863     }
1864     return DIALOG_DlgDirListW( hDlg, NULL, idLBox, idStatic, attrib, combo );
1865 }
1866
1867
1868 /**********************************************************************
1869  *              DlgDirSelectExA (USER32.@)
1870  */
1871 BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
1872 {
1873     return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, FALSE );
1874 }
1875
1876
1877 /**********************************************************************
1878  *              DlgDirSelectExW (USER32.@)
1879  */
1880 BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
1881 {
1882     return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, FALSE );
1883 }
1884
1885
1886 /**********************************************************************
1887  *              DlgDirSelectComboBoxExA (USER32.@)
1888  */
1889 BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
1890                                          INT id )
1891 {
1892     return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, TRUE );
1893 }
1894
1895
1896 /**********************************************************************
1897  *              DlgDirSelectComboBoxExW (USER32.@)
1898  */
1899 BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
1900                                          INT id)
1901 {
1902     return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, TRUE );
1903 }
1904
1905
1906 /**********************************************************************
1907  *              DlgDirListA (USER32.@)
1908  */
1909 INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1910                             INT idStatic, UINT attrib )
1911 {
1912     return DIALOG_DlgDirListA( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1913 }
1914
1915
1916 /**********************************************************************
1917  *              DlgDirListW (USER32.@)
1918  */
1919 INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1920                             INT idStatic, UINT attrib )
1921 {
1922     return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1923 }
1924
1925
1926 /**********************************************************************
1927  *              DlgDirListComboBoxA (USER32.@)
1928  */
1929 INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
1930                                     INT idStatic, UINT attrib )
1931 {
1932     return DIALOG_DlgDirListA( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1933 }
1934
1935
1936 /**********************************************************************
1937  *              DlgDirListComboBoxW (USER32.@)
1938  */
1939 INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
1940                                     INT idStatic, UINT attrib )
1941 {
1942     return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1943 }