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 static 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 static 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         info.style &= ~WS_POPUP;
 267         info.style |= WS_CHILD;
 268
 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 (!IS_INTRESOURCE(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 (!IS_INTRESOURCE(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             WARN("control %s %s creation failed\n", debugstr_w(info.className),
 321                  debugstr_w(info.windowName));
 322             if (dlgTemplate->style & DS_NOFAILCREATE) continue;
 323             return FALSE;
 324         }
 325
 326             /* Send initialisation messages to the control */
 327         if (dlgInfo->hUserFont) SendMessageW( hwndCtrl, WM_SETFONT,
 328                                              (WPARAM)dlgInfo->hUserFont, 0 );
 329         if (SendMessageW(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
 330         {
 331               /* If there's already a default push-button, set it back */
 332               /* to normal and use this one instead. */
 333             if (hwndDefButton)
 334                 SendMessageW( hwndDefButton, BM_SETSTYLE, BS_PUSHBUTTON, FALSE );
 335             hwndDefButton = hwndCtrl;
 336             dlgInfo->idResult = GetWindowLongPtrA( hwndCtrl, GWLP_ID );
 337         }
 338     }
 339     TRACE(" END\n" );
 340     return TRUE;
 341 }
 342
 343
 344 /***********************************************************************
 345  *           DIALOG_ParseTemplate32
 346  *
 347  * Fill a DLG_TEMPLATE structure from the dialog template, and return
 348  * a pointer to the first control.
 349  */
 350 static LPCSTR DIALOG_ParseTemplate32( LPCSTR template, DLG_TEMPLATE * result )
 351 {
 352     const WORD *p = (const WORD *)template;
 353     WORD signature;
 354     WORD dlgver;
 355
 356     dlgver = GET_WORD(p); p++;
 357     signature = GET_WORD(p); p++;
 358
 359     if (dlgver == 1 && signature == 0xffff)  /* DIALOGEX resource */
 360     {
 361         result->dialogEx = TRUE;
 362         result->helpId   = GET_DWORD(p); p += 2;
 363         result->exStyle  = GET_DWORD(p); p += 2;
 364         result->style    = GET_DWORD(p); p += 2;
 365     }
 366     else
 367     {
 368         result->style = GET_DWORD(p - 2);
 369         result->dialogEx = FALSE;
 370         result->helpId   = 0;
 371         result->exStyle  = GET_DWORD(p); p += 2;
 372     }
 373     result->nbItems = GET_WORD(p); p++;
 374     result->x       = GET_WORD(p); p++;
 375     result->y       = GET_WORD(p); p++;
 376     result->cx      = GET_WORD(p); p++;
 377     result->cy      = GET_WORD(p); p++;
 378     TRACE("DIALOG%s %d, %d, %d, %d, %d\n",
 379            result->dialogEx ? "EX" : "", result->x, result->y,
 380            result->cx, result->cy, result->helpId );
 381     TRACE(" STYLE 0x%08x\n", result->style );
 382     TRACE(" EXSTYLE 0x%08x\n", result->exStyle );
 383
 384     /* Get the menu name */
 385
 386     switch(GET_WORD(p))
 387     {
 388     case 0x0000:
 389         result->menuName = NULL;
 390         p++;
 391         break;
 392     case 0xffff:
 393         result->menuName = MAKEINTRESOURCEW(GET_WORD( p + 1 ));
 394         p += 2;
 395         TRACE(" MENU %04x\n", LOWORD(result->menuName) );
 396         break;
 397     default:
 398         result->menuName = p;
 399         TRACE(" MENU %s\n", debugstr_w(result->menuName) );
 400         p += strlenW( result->menuName ) + 1;
 401         break;
 402     }
 403
 404     /* Get the class name */
 405
 406     switch(GET_WORD(p))
 407     {
 408     case 0x0000:
 409         result->className = (LPCWSTR)DIALOG_CLASS_ATOM;
 410         p++;
 411         break;
 412     case 0xffff:
 413         result->className = MAKEINTRESOURCEW(GET_WORD( p + 1 ));
 414         p += 2;
 415         TRACE(" CLASS %04x\n", LOWORD(result->className) );
 416         break;
 417     default:
 418         result->className = p;
 419         TRACE(" CLASS %s\n", debugstr_w( result->className ));
 420         p += strlenW( result->className ) + 1;
 421         break;
 422     }
 423
 424     /* Get the window caption */
 425
 426     result->caption = p;
 427     p += strlenW( result->caption ) + 1;
 428     TRACE(" CAPTION %s\n", debugstr_w( result->caption ) );
 429
 430     /* Get the font name */
 431
 432     result->pointSize = 0;
 433     result->faceName = NULL;
 434     result->weight = FW_DONTCARE;
 435     result->italic = FALSE;
 436
 437     if (result->style & DS_SETFONT)
 438     {
 439         result->pointSize = GET_WORD(p);
 440         p++;
 441
 442         /* If pointSize is 0x7fff, it means that we need to use the font
 443          * in NONCLIENTMETRICSW.lfMessageFont, and NOT read the weight,
 444          * italic, and facename from the dialog template.
 445          */
 446         if (result->pointSize == 0x7fff)
 447         {
 448             /* We could call SystemParametersInfo here, but then we'd have
 449              * to convert from pixel size to point size (which can be
 450              * imprecise).
 451              */
 452             TRACE(" FONT: Using message box font\n");
 453         }
 454         else
 455         {
 456             if (result->dialogEx)
 457             {
 458                 result->weight = GET_WORD(p); p++;
 459                 result->italic = LOBYTE(GET_WORD(p)); p++;
 460             }
 461             result->faceName = p;
 462             p += strlenW( result->faceName ) + 1;
 463
 464             TRACE(" FONT %d, %s, %d, %s\n",
 465                   result->pointSize, debugstr_w( result->faceName ),
 466                   result->weight, result->italic ? "TRUE" : "FALSE" );
 467         }
 468     }
 469
 470     /* First control is on dword boundary */
 471     return (LPCSTR)(((UINT_PTR)p + 3) & ~3);
 472 }
 473
 474
 475 /***********************************************************************
 476  *           DIALOG_CreateIndirect
 477  *       Creates a dialog box window
 478  *
 479  *       modal = TRUE if we are called from a modal dialog box.
 480  *       (it's more compatible to do it here, as under Windows the owner
 481  *       is never disabled if the dialog fails because of an invalid template)
 482  */
 483 static HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCVOID dlgTemplate,
 484                                    HWND owner, DLGPROC dlgProc, LPARAM param,
 485                                    BOOL unicode, BOOL modal )
 486 {
 487     HWND hwnd;
 488     RECT rect;
 489     POINT pos;
 490     SIZE size;
 491     DLG_TEMPLATE template;
 492     DIALOGINFO * dlgInfo = NULL;
 493     DWORD units = GetDialogBaseUnits();
 494     BOOL ownerEnabled = TRUE;
 495     HMENU hMenu = 0;
 496     HFONT hUserFont = 0;
 497     UINT flags = 0;
 498     UINT xBaseUnit = LOWORD(units);
 499     UINT yBaseUnit = HIWORD(units);
 500
 501       /* Parse dialog template */
 502
 503     if (!dlgTemplate) return 0;
 504     dlgTemplate = DIALOG_ParseTemplate32( dlgTemplate, &template );
 505
 506       /* Load menu */
 507
 508     if (template.menuName) hMenu = LoadMenuW( hInst, template.menuName );
 509
 510       /* Create custom font if needed */
 511
 512     if (template.style & DS_SETFONT)
 513     {
 514         HDC dc = GetDC(0);
 515
 516         if (template.pointSize == 0x7fff)
 517         {
 518             /* We get the message font from the non-client metrics */
 519             NONCLIENTMETRICSW ncMetrics;
 520
 521             ncMetrics.cbSize = sizeof(NONCLIENTMETRICSW);
 522             if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
 523                                       sizeof(NONCLIENTMETRICSW), &ncMetrics, 0))
 524             {
 525                 hUserFont = CreateFontIndirectW( &ncMetrics.lfMessageFont );
 526             }
 527         }
 528         else
 529         {
 530             /* We convert the size to pixels and then make it -ve.  This works
 531              * for both +ve and -ve template.pointSize */
 532             int pixels = MulDiv(template.pointSize, GetDeviceCaps(dc , LOGPIXELSY), 72);
 533             hUserFont = CreateFontW( -pixels, 0, 0, 0, template.weight,
 534                                               template.italic, FALSE, FALSE, DEFAULT_CHARSET, 0, 0,
 535                                               PROOF_QUALITY, FF_DONTCARE,
 536                                               template.faceName );
 537         }
 538
 539         if (hUserFont)
 540         {
 541             SIZE charSize;
 542             HFONT hOldFont = SelectObject( dc, hUserFont );
 543             charSize.cx = GdiGetCharDimensions( dc, NULL, &charSize.cy );
 544             if (charSize.cx)
 545             {
 546                 xBaseUnit = charSize.cx;
 547                 yBaseUnit = charSize.cy;
 548             }
 549             SelectObject( dc, hOldFont );
 550         }
 551         ReleaseDC(0, dc);
 552         TRACE("units = %d,%d\n", xBaseUnit, yBaseUnit );
 553     }
 554
 555     /* Create dialog main window */
 556
 557     rect.left = rect.top = 0;
 558     rect.right = MulDiv(template.cx, xBaseUnit, 4);
 559     rect.bottom =  MulDiv(template.cy, yBaseUnit, 8);
 560     if (template.style & WS_CHILD)
 561         template.style &= ~(WS_CAPTION|WS_SYSMENU);
 562     if (template.style & DS_MODALFRAME)
 563         template.exStyle |= WS_EX_DLGMODALFRAME;
 564     if (template.style & DS_CONTROL)
 565         template.exStyle |= WS_EX_CONTROLPARENT;
 566     AdjustWindowRectEx( &rect, template.style, (hMenu != 0), template.exStyle );
 567     pos.x = rect.left;
 568     pos.y = rect.top;
 569     size.cx = rect.right - rect.left;
 570     size.cy = rect.bottom - rect.top;
 571
 572     if (template.x == (SHORT)0x8000 /*CW_USEDEFAULT16*/)
 573     {
 574         pos.x = pos.y = CW_USEDEFAULT;
 575     }
 576     else
 577     {
 578         HMONITOR monitor = 0;
 579         MONITORINFO mon_info;
 580
 581         mon_info.cbSize = sizeof(mon_info);
 582         if (template.style & DS_CENTER)
 583         {
 584             monitor = MonitorFromWindow( owner ? owner : GetActiveWindow(), MONITOR_DEFAULTTOPRIMARY );
 585             GetMonitorInfoW( monitor, &mon_info );
 586             pos.x = (mon_info.rcWork.left + mon_info.rcWork.right - size.cx) / 2;
 587             pos.y = (mon_info.rcWork.top + mon_info.rcWork.bottom - size.cy) / 2;
 588         }
 589         else if (template.style & DS_CENTERMOUSE)
 590         {
 591             GetCursorPos( &pos );
 592             monitor = MonitorFromPoint( pos, MONITOR_DEFAULTTOPRIMARY );
 593             GetMonitorInfoW( monitor, &mon_info );
 594         }
 595         else
 596         {
 597             pos.x += MulDiv(template.x, xBaseUnit, 4);
 598             pos.y += MulDiv(template.y, yBaseUnit, 8);
 599             if (!(template.style & (WS_CHILD|DS_ABSALIGN))) ClientToScreen( owner, &pos );
 600         }
 601         if ( !(template.style & WS_CHILD) )
 602         {
 603             INT dX, dY;
 604
 605             /* try to fit it into the desktop */
 606
 607             if (!monitor)
 608             {
 609                 SetRect( &rect, pos.x, pos.y, pos.x + size.cx, pos.y + size.cy );
 610                 monitor = MonitorFromRect( &rect, MONITOR_DEFAULTTOPRIMARY );
 611                 GetMonitorInfoW( monitor, &mon_info );
 612             }
 613             if ((dX = pos.x + size.cx + GetSystemMetrics(SM_CXDLGFRAME) - mon_info.rcWork.right) > 0)
 614                 pos.x -= dX;
 615             if ((dY = pos.y + size.cy + GetSystemMetrics(SM_CYDLGFRAME) - mon_info.rcWork.bottom) > 0)
 616                 pos.y -= dY;
 617             if( pos.x < mon_info.rcWork.left ) pos.x = mon_info.rcWork.left;
 618             if( pos.y < mon_info.rcWork.top ) pos.y = mon_info.rcWork.top;
 619         }
 620     }
 621
 622     if (modal)
 623     {
 624         ownerEnabled = DIALOG_DisableOwner( owner );
 625         if (ownerEnabled) flags |= DF_OWNERENABLED;
 626     }
 627
 628     if (unicode)
 629     {
 630         hwnd = CreateWindowExW(template.exStyle, template.className, template.caption,
 631                                template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
 632                                owner, hMenu, hInst, NULL );
 633     }
 634     else
 635     {
 636         LPCSTR class = (LPCSTR)template.className;
 637         LPCSTR caption = (LPCSTR)template.caption;
 638         LPSTR class_tmp = NULL;
 639         LPSTR caption_tmp = NULL;
 640
 641         if (!IS_INTRESOURCE(class))
 642         {
 643             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.className, -1, NULL, 0, NULL, NULL );
 644             class_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 645             WideCharToMultiByte( CP_ACP, 0, template.className, -1, class_tmp, len, NULL, NULL );
 646             class = class_tmp;
 647         }
 648         if (!IS_INTRESOURCE(caption))
 649         {
 650             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.caption, -1, NULL, 0, NULL, NULL );
 651             caption_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 652             WideCharToMultiByte( CP_ACP, 0, template.caption, -1, caption_tmp, len, NULL, NULL );
 653             caption = caption_tmp;
 654         }
 655         hwnd = CreateWindowExA(template.exStyle, class, caption,
 656                                template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
 657                                owner, hMenu, hInst, NULL );
 658         HeapFree( GetProcessHeap(), 0, class_tmp );
 659         HeapFree( GetProcessHeap(), 0, caption_tmp );
 660     }
 661
 662     if (!hwnd)
 663     {
 664         if (hUserFont) DeleteObject( hUserFont );
 665         if (hMenu) DestroyMenu( hMenu );
 666         if (modal && (flags & DF_OWNERENABLED)) DIALOG_EnableOwner(owner);
 667         return 0;
 668     }
 669
 670     /* moved this from the top of the method to here as DIALOGINFO structure
 671     will be valid only after WM_CREATE message has been handled in DefDlgProc
 672     All the members of the structure get filled here using temp variables */
 673     dlgInfo = DIALOG_get_info( hwnd, TRUE );
 674     dlgInfo->hwndFocus   = 0;
 675     dlgInfo->hUserFont   = hUserFont;
 676     dlgInfo->hMenu       = hMenu;
 677     dlgInfo->xBaseUnit   = xBaseUnit;
 678     dlgInfo->yBaseUnit   = yBaseUnit;
 679     dlgInfo->flags       = flags;
 680
 681     if (template.helpId) SetWindowContextHelpId( hwnd, template.helpId );
 682
 683     if (unicode) SetWindowLongPtrW( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
 684     else SetWindowLongPtrA( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
 685
 686     if (dlgProc && dlgInfo->hUserFont)
 687         SendMessageW( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
 688
 689     /* Create controls */
 690
 691     if (DIALOG_CreateControls32( hwnd, dlgTemplate, &template, hInst, unicode ))
 692     {
 693         /* Send initialisation messages and set focus */
 694
 695         if (dlgProc)
 696         {
 697             HWND focus = GetNextDlgTabItem( hwnd, 0, FALSE );
 698             if (!focus) focus = GetNextDlgGroupItem( hwnd, 0, FALSE );
 699             if (SendMessageW( hwnd, WM_INITDIALOG, (WPARAM)focus, param ) && IsWindow( hwnd ) &&
 700                 ((~template.style & DS_CONTROL) || (template.style & WS_VISIBLE)))
 701             {
 702                 /* By returning TRUE, app has requested a default focus assignment.
 703                  * WM_INITDIALOG may have changed the tab order, so find the first
 704                  * tabstop control again. */
 705                 dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
 706                 if (!dlgInfo->hwndFocus) dlgInfo->hwndFocus = GetNextDlgGroupItem( hwnd, 0, FALSE );
 707                 if( dlgInfo->hwndFocus )
 708                     SetFocus( dlgInfo->hwndFocus );
 709             }
 710         }
 711
 712         if (template.style & WS_VISIBLE && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
 713         {
 714            ShowWindow( hwnd, SW_SHOWNORMAL );   /* SW_SHOW doesn't always work */
 715         }
 716         return hwnd;
 717     }
 718     if (modal && ownerEnabled) DIALOG_EnableOwner(owner);
 719     if( IsWindow(hwnd) ) DestroyWindow( hwnd );
 720     return 0;
 721 }
 722
 723
 724 /***********************************************************************
 725  *              CreateDialogParamA (USER32.@)
 726  */
 727 HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name, HWND owner,
 728                                 DLGPROC dlgProc, LPARAM param )
 729 {
 730     HRSRC hrsrc;
 731     LPCDLGTEMPLATEA ptr;
 732
 733     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
 734     if (!(ptr = LoadResource(hInst, hrsrc))) return 0;
 735     return CreateDialogIndirectParamA( hInst, ptr, owner, dlgProc, param );
 736 }
 737
 738
 739 /***********************************************************************
 740  *              CreateDialogParamW (USER32.@)
 741  */
 742 HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name, HWND owner,
 743                                 DLGPROC dlgProc, LPARAM param )
 744 {
 745     HRSRC hrsrc;
 746     LPCDLGTEMPLATEA ptr;
 747
 748     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
 749     if (!(ptr = LoadResource(hInst, hrsrc))) return 0;
 750     return CreateDialogIndirectParamW( hInst, ptr, owner, dlgProc, param );
 751 }
 752
 753
 754 /***********************************************************************
 755  *              CreateDialogIndirectParamAorW (USER32.@)
 756  */
 757 HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst, LPCVOID dlgTemplate,
 758                                            HWND owner, DLGPROC dlgProc, LPARAM param,
 759                                            DWORD flags )
 760 {
 761     return DIALOG_CreateIndirect( hInst, dlgTemplate, owner, dlgProc, param, !flags, FALSE );
 762 }
 763
 764 /***********************************************************************
 765  *              CreateDialogIndirectParamA (USER32.@)
 766  */
 767 HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst, LPCDLGTEMPLATEA dlgTemplate,
 768                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 769 {
 770     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 2 );
 771 }
 772
 773 /***********************************************************************
 774  *              CreateDialogIndirectParamW (USER32.@)
 775  */
 776 HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst, LPCDLGTEMPLATEW dlgTemplate,
 777                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 778 {
 779     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 0 );
 780 }
 781
 782
 783 /***********************************************************************
 784  *           DIALOG_DoDialogBox
 785  */
 786 INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
 787 {
 788     DIALOGINFO * dlgInfo;
 789     MSG msg;
 790     INT retval;
 791     HWND ownerMsg = GetAncestor( owner, GA_ROOT );
 792     BOOL bFirstEmpty;
 793
 794     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return -1;
 795
 796     bFirstEmpty = TRUE;
 797     if (!(dlgInfo->flags & DF_END)) /* was EndDialog called in WM_INITDIALOG ? */
 798     {
 799         for (;;)
 800         {
 801             if (!PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
 802             {
 803                 if (bFirstEmpty)
 804                 {
 805                     /* ShowWindow the first time the queue goes empty */
 806                     ShowWindow( hwnd, SW_SHOWNORMAL );
 807                     bFirstEmpty = FALSE;
 808                 }
 809                 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & DS_NOIDLEMSG))
 810                {
 811                     /* No message present -> send ENTERIDLE and wait */
 812                     SendMessageW( ownerMsg, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)hwnd );
 813                 }
 814                 GetMessageW( &msg, 0, 0, 0 );
 815             }
 816
 817             if (msg.message == WM_QUIT)
 818             {
 819                 PostQuitMessage( msg.wParam );
 820                 if (!IsWindow( hwnd )) return 0;
 821                 break;
 822             }
 823             if (!IsWindow( hwnd )) return 0;
 824             if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
 825             {
 826                 TranslateMessage( &msg );
 827                 DispatchMessageW( &msg );
 828             }
 829             if (!IsWindow( hwnd )) return 0;
 830             if (dlgInfo->flags & DF_END) break;
 831
 832             if (bFirstEmpty && msg.message == WM_TIMER)
 833             {
 834                 ShowWindow( hwnd, SW_SHOWNORMAL );
 835                 bFirstEmpty = FALSE;
 836             }
 837         }
 838     }
 839     if (dlgInfo->flags & DF_OWNERENABLED) DIALOG_EnableOwner( owner );
 840     retval = dlgInfo->idResult;
 841     DestroyWindow( hwnd );
 842     return retval;
 843 }
 844
 845
 846 /***********************************************************************
 847  *              DialogBoxParamA (USER32.@)
 848  */
 849 INT_PTR WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
 850                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 851 {
 852     HWND hwnd;
 853     HRSRC hrsrc;
 854     LPCDLGTEMPLATEA ptr;
 855
 856     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return -1;
 857     if (!(ptr = LoadResource(hInst, hrsrc))) return -1;
 858     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, FALSE, TRUE );
 859     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 860     return 0;
 861 }
 862
 863
 864 /***********************************************************************
 865  *              DialogBoxParamW (USER32.@)
 866  */
 867 INT_PTR WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
 868                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 869 {
 870     HWND hwnd;
 871     HRSRC hrsrc;
 872     LPCDLGTEMPLATEW ptr;
 873
 874     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return -1;
 875     if (!(ptr = LoadResource(hInst, hrsrc))) return -1;
 876     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, TRUE, TRUE );
 877     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 878     return 0;
 879 }
 880
 881
 882 /***********************************************************************
 883  *              DialogBoxIndirectParamAorW (USER32.@)
 884  */
 885 INT_PTR WINAPI DialogBoxIndirectParamAorW( HINSTANCE hInstance, LPCVOID template,
 886                                            HWND owner, DLGPROC dlgProc,
 887                                            LPARAM param, DWORD flags )
 888 {
 889     HWND hwnd = DIALOG_CreateIndirect( hInstance, template, owner, dlgProc, param, !flags, TRUE );
 890     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 891     return -1;
 892 }
 893
 894 /***********************************************************************
 895  *              DialogBoxIndirectParamA (USER32.@)
 896  */
 897 INT_PTR WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCDLGTEMPLATEA template,
 898                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 899 {
 900     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 2 );
 901 }
 902
 903
 904 /***********************************************************************
 905  *              DialogBoxIndirectParamW (USER32.@)
 906  */
 907 INT_PTR WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCDLGTEMPLATEW template,
 908                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 909 {
 910     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 0 );
 911 }
 912
 913 /***********************************************************************
 914  *              EndDialog (USER32.@)
 915  */
 916 BOOL WINAPI EndDialog( HWND hwnd, INT_PTR retval )
 917 {
 918     BOOL wasEnabled = TRUE;
 919     DIALOGINFO * dlgInfo;
 920     HWND owner;
 921
 922     TRACE("%p %ld\n", hwnd, retval );
 923
 924     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE )))
 925     {
 926         ERR("got invalid window handle (%p); buggy app !?\n", hwnd);
 927         return FALSE;
 928     }
 929     dlgInfo->idResult = retval;
 930     dlgInfo->flags |= DF_END;
 931     wasEnabled = (dlgInfo->flags & DF_OWNERENABLED);
 932
 933     owner = GetWindow( hwnd, GW_OWNER );
 934     if (wasEnabled && owner)
 935         DIALOG_EnableOwner( owner );
 936
 937     /* Windows sets the focus to the dialog itself in EndDialog */
 938
 939     if (IsChild(hwnd, GetFocus()))
 940        SetFocus( hwnd );
 941
 942     /* Don't have to send a ShowWindow(SW_HIDE), just do
 943        SetWindowPos with SWP_HIDEWINDOW as done in Windows */
 944
 945     SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
 946                  | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
 947
 948     if (hwnd == GetActiveWindow())
 949     {
 950         /* If this dialog was given an owner then set the focus to that owner
 951            even when the owner is disabled (normally when a window closes any
 952            disabled windows cannot receive the focus). */
 953         if (owner)
 954             SetForegroundWindow( owner );
 955         else
 956             WINPOS_ActivateOtherWindow( hwnd );
 957     }
 958
 959     /* unblock dialog loop */
 960     PostMessageA(hwnd, WM_NULL, 0, 0);
 961     return TRUE;
 962 }
 963
 964
 965 /***********************************************************************
 966  *           DIALOG_IsAccelerator
 967  */
 968 static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
 969 {
 970     HWND hwndControl = hwnd;
 971     HWND hwndNext;
 972     INT dlgCode;
 973     WCHAR buffer[128];
 974
 975     do
 976     {
 977         DWORD style = GetWindowLongW( hwndControl, GWL_STYLE );
 978         if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
 979         {
 980             dlgCode = SendMessageW( hwndControl, WM_GETDLGCODE, 0, 0 );
 981             if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
 982                  GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
 983             {
 984                 /* find the accelerator key */
 985                 LPWSTR p = buffer - 2;
 986
 987                 do
 988                 {
 989                     p = strchrW( p + 2, '&' );
 990                 }
 991                 while (p != NULL && p[1] == '&');
 992
 993                 /* and check if it's the one we're looking for */
 994                 if (p != NULL && toupperW( p[1] ) == toupperW( wParam ) )
 995                 {
 996                     if ((dlgCode & DLGC_STATIC) || (style & 0x0f) == BS_GROUPBOX )
 997                     {
 998                         /* set focus to the control */
 999                         SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndControl, 1);
1000                         /* and bump it on to next */
1001                         SendMessageW( hwndDlg, WM_NEXTDLGCTL, 0, 0);
1002                     }
1003                     else if (dlgCode & DLGC_BUTTON)
1004                     {
1005                         /* send BM_CLICK message to the control */
1006                         SendMessageW( hwndControl, BM_CLICK, 0, 0 );
1007                     }
1008                     return TRUE;
1009                 }
1010             }
1011             hwndNext = GetWindow( hwndControl, GW_CHILD );
1012         }
1013         else hwndNext = 0;
1014
1015         if (!hwndNext) hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
1016
1017         while (!hwndNext && hwndControl)
1018         {
1019             hwndControl = GetParent( hwndControl );
1020             if (hwndControl == hwndDlg)
1021             {
1022                 if(hwnd==hwndDlg)   /* prevent endless loop */
1023                 {
1024                     hwndNext=hwnd;
1025                     break;
1026                 }
1027                 hwndNext = GetWindow( hwndDlg, GW_CHILD );
1028             }
1029             else
1030                 hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
1031         }
1032         hwndControl = hwndNext;
1033     }
1034     while (hwndControl && (hwndControl != hwnd));
1035
1036     return FALSE;
1037 }
1038
1039 /***********************************************************************
1040  *           DIALOG_FindMsgDestination
1041  *
1042  * The messages that IsDialogMessage sends may not go to the dialog
1043  * calling IsDialogMessage if that dialog is a child, and it has the
1044  * DS_CONTROL style set.
1045  * We propagate up until we hit one that does not have DS_CONTROL, or
1046  * whose parent is not a dialog.
1047  *
1048  * This is undocumented behaviour.
1049  */
1050 static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
1051 {
1052     while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
1053     {
1054         WND *pParent;
1055         HWND hParent = GetParent(hwndDlg);
1056         if (!hParent) break;
1057
1058         pParent = WIN_GetPtr(hParent);
1059         if (!pParent || pParent == WND_OTHER_PROCESS || pParent == WND_DESKTOP) break;
1060
1061         if (!pParent->dlgInfo)
1062         {
1063             WIN_ReleasePtr(pParent);
1064             break;
1065         }
1066         WIN_ReleasePtr(pParent);
1067
1068         hwndDlg = hParent;
1069     }
1070
1071     return hwndDlg;
1072 }
1073
1074 /***********************************************************************
1075  *              DIALOG_FixOneChildOnChangeFocus
1076  *
1077  * Callback helper for DIALOG_FixChildrenOnChangeFocus
1078  */
1079
1080 static BOOL CALLBACK DIALOG_FixOneChildOnChangeFocus (HWND hwndChild,
1081         LPARAM lParam)
1082 {
1083     /* If a default pushbutton then no longer default */
1084     if (DLGC_DEFPUSHBUTTON & SendMessageW (hwndChild, WM_GETDLGCODE, 0, 0))
1085         SendMessageW (hwndChild, BM_SETSTYLE, BS_PUSHBUTTON, TRUE);
1086     return TRUE;
1087 }
1088
1089 /***********************************************************************
1090  *              DIALOG_FixChildrenOnChangeFocus
1091  *
1092  * Following the change of focus that occurs for example after handling
1093  * a WM_KEYDOWN VK_TAB in IsDialogMessage, some tidying of the dialog's
1094  * children may be required.
1095  */
1096 static void DIALOG_FixChildrenOnChangeFocus (HWND hwndDlg, HWND hwndNext)
1097 {
1098     INT dlgcode_next = SendMessageW (hwndNext, WM_GETDLGCODE, 0, 0);
1099     /* INT dlgcode_dlg  = SendMessageW (hwndDlg, WM_GETDLGCODE, 0, 0); */
1100     /* Windows does ask for this.  I don't know why yet */
1101
1102     EnumChildWindows (hwndDlg, DIALOG_FixOneChildOnChangeFocus, 0);
1103
1104     /* If the button that is getting the focus WAS flagged as the default
1105      * pushbutton then ask the dialog what it thinks the default is and
1106      * set that in the default style.
1107      */
1108     if (dlgcode_next & DLGC_DEFPUSHBUTTON)
1109     {
1110         DWORD def_id = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0);
1111         if (HIWORD(def_id) == DC_HASDEFID)
1112         {
1113             HWND hwndDef;
1114             def_id = LOWORD(def_id);
1115             hwndDef = GetDlgItem (hwndDlg, def_id);
1116             if (hwndDef)
1117             {
1118                 INT dlgcode_def = SendMessageW (hwndDef, WM_GETDLGCODE, 0, 0);
1119                 /* I know that if it is a button then it should already be a
1120                  * UNDEFPUSHBUTTON, since we have just told the buttons to
1121                  * change style.  But maybe they ignored our request
1122                  */
1123                 if ((dlgcode_def & DLGC_BUTTON) &&
1124                         (dlgcode_def &  DLGC_UNDEFPUSHBUTTON))
1125                 {
1126                     SendMessageW (hwndDef, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1127                 }
1128             }
1129         }
1130     }
1131     else if ((dlgcode_next & DLGC_BUTTON) && (dlgcode_next & DLGC_UNDEFPUSHBUTTON))
1132     {
1133         SendMessageW (hwndNext, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1134         /* I wonder why it doesn't send a DM_SETDEFID */
1135     }
1136 }
1137
1138 /***********************************************************************
1139  *           DIALOG_IdToHwnd
1140  *
1141  * A recursive version of GetDlgItem
1142  *
1143  * RETURNS
1144  *  The HWND for a Child ID.
1145  */
1146 static HWND DIALOG_IdToHwnd( HWND hwndDlg, INT id )
1147 {
1148     int i;
1149     HWND *list = WIN_ListChildren( hwndDlg );
1150     HWND ret = 0;
1151
1152     if (!list) return 0;
1153
1154     for (i = 0; list[i]; i++)
1155     {
1156         if (GetWindowLongPtrW( list[i], GWLP_ID ) == id)
1157         {
1158             ret = list[i];
1159             break;
1160         }
1161
1162         /* Recurse into every child */
1163         if ((ret = DIALOG_IdToHwnd( list[i], id ))) break;
1164     }
1165
1166     HeapFree( GetProcessHeap(), 0, list );
1167     return ret;
1168 }
1169
1170 /***********************************************************************
1171  *              IsDialogMessageW (USER32.@)
1172  */
1173 BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
1174 {
1175     INT dlgCode = 0;
1176
1177     if (CallMsgFilterW( msg, MSGF_DIALOGBOX )) return TRUE;
1178
1179     hwndDlg = WIN_GetFullHandle( hwndDlg );
1180     if (is_desktop_window(hwndDlg)) return FALSE;
1181     if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
1182
1183     hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
1184
1185     switch(msg->message)
1186     {
1187     case WM_KEYDOWN:
1188         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1189         if (dlgCode & (DLGC_WANTMESSAGE)) break;
1190
1191         switch(msg->wParam)
1192         {
1193         case VK_TAB:
1194             if (!(dlgCode & DLGC_WANTTAB))
1195             {
1196                 BOOL fIsDialog = TRUE;
1197                 WND *pWnd = WIN_GetPtr( hwndDlg );
1198
1199                 if (pWnd && pWnd != WND_OTHER_PROCESS)
1200                 {
1201                     fIsDialog = (pWnd->dlgInfo != NULL);
1202                     WIN_ReleasePtr(pWnd);
1203                 }
1204
1205                 /* I am not sure under which circumstances the TAB is handled
1206                  * each way.  All I do know is that it does not always simply
1207                  * send WM_NEXTDLGCTL.  (Personally I have never yet seen it
1208                  * do so but I presume someone has)
1209                  */
1210                 if (fIsDialog)
1211                     SendMessageW( hwndDlg, WM_NEXTDLGCTL, (GetKeyState(VK_SHIFT) & 0x8000), 0 );
1212                 else
1213                 {
1214                     /* It would appear that GetNextDlgTabItem can handle being
1215                      * passed hwndDlg rather than NULL but that is undocumented
1216                      * so let's do it properly
1217                      */
1218                     HWND hwndFocus = GetFocus();
1219                     HWND hwndNext = GetNextDlgTabItem (hwndDlg,
1220                             hwndFocus == hwndDlg ? NULL : hwndFocus,
1221                             GetKeyState (VK_SHIFT) & 0x8000);
1222                     if (hwndNext)
1223                     {
1224                         dlgCode = SendMessageW (hwndNext, WM_GETDLGCODE,
1225                                 msg->wParam, (LPARAM)msg);
1226                         if (dlgCode & DLGC_HASSETSEL)
1227                         {
1228                             INT maxlen = 1 + SendMessageW (hwndNext, WM_GETTEXTLENGTH, 0, 0);
1229                             WCHAR *buffer = HeapAlloc (GetProcessHeap(), 0, maxlen * sizeof(WCHAR));
1230                             if (buffer)
1231                             {
1232                                 INT length;
1233                                 SendMessageW (hwndNext, WM_GETTEXT, maxlen, (LPARAM) buffer);
1234                                 length = strlenW (buffer);
1235                                 HeapFree (GetProcessHeap(), 0, buffer);
1236                                 SendMessageW (hwndNext, EM_SETSEL, 0, length);
1237                             }
1238                         }
1239                         SetFocus (hwndNext);
1240                         DIALOG_FixChildrenOnChangeFocus (hwndDlg, hwndNext);
1241                     }
1242                     else
1243                         return FALSE;
1244                 }
1245                 return TRUE;
1246             }
1247             break;
1248
1249         case VK_RIGHT:
1250         case VK_DOWN:
1251         case VK_LEFT:
1252         case VK_UP:
1253             if (!(dlgCode & DLGC_WANTARROWS))
1254             {
1255                 BOOL fPrevious = (msg->wParam == VK_LEFT || msg->wParam == VK_UP);
1256                 HWND hwndNext = GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
1257                 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndNext, 1 );
1258                 return TRUE;
1259             }
1260             break;
1261
1262         case VK_CANCEL:
1263         case VK_ESCAPE:
1264             SendMessageW( hwndDlg, WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
1265             return TRUE;
1266
1267         case VK_EXECUTE:
1268         case VK_RETURN:
1269             {
1270                 DWORD dw;
1271                 if ((GetFocus() == msg->hwnd) &&
1272                     (SendMessageW (msg->hwnd, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
1273                 {
1274                     SendMessageW (hwndDlg, WM_COMMAND, MAKEWPARAM (GetDlgCtrlID(msg->hwnd),BN_CLICKED), (LPARAM)msg->hwnd);
1275                 }
1276                 else if (DC_HASDEFID == HIWORD(dw = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0)))
1277                 {
1278                     HWND hwndDef = DIALOG_IdToHwnd(hwndDlg, LOWORD(dw));
1279                     if (hwndDef ? IsWindowEnabled(hwndDef) : LOWORD(dw)==IDOK)
1280                         SendMessageW( hwndDlg, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ), (LPARAM)hwndDef);
1281                 }
1282                 else
1283                 {
1284                     SendMessageW( hwndDlg, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
1285
1286                 }
1287             }
1288             return TRUE;
1289         }
1290         break;
1291
1292     case WM_CHAR:
1293         /* FIXME Under what circumstances does WM_GETDLGCODE get sent?
1294          * It does NOT get sent in the test program I have
1295          */
1296         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1297         if (dlgCode & (DLGC_WANTCHARS|DLGC_WANTMESSAGE)) break;
1298         if (msg->wParam == '\t' && (dlgCode & DLGC_WANTTAB)) break;
1299         /* drop through */
1300
1301     case WM_SYSCHAR:
1302         if (DIALOG_IsAccelerator( WIN_GetFullHandle(msg->hwnd), hwndDlg, msg->wParam ))
1303         {
1304             /* don't translate or dispatch */
1305             return TRUE;
1306         }
1307         break;
1308     }
1309
1310     TranslateMessage( msg );
1311     DispatchMessageW( msg );
1312     return TRUE;
1313 }
1314
1315
1316 /***********************************************************************
1317  *              GetDlgCtrlID (USER32.@)
1318  */
1319 INT WINAPI GetDlgCtrlID( HWND hwnd )
1320 {
1321     return GetWindowLongPtrW( hwnd, GWLP_ID );
1322 }
1323
1324
1325 /***********************************************************************
1326  *              GetDlgItem (USER32.@)
1327  */
1328 HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
1329 {
1330     int i;
1331     HWND *list = WIN_ListChildren( hwndDlg );
1332     HWND ret = 0;
1333
1334     if (!list) return 0;
1335
1336     for (i = 0; list[i]; i++) if (GetWindowLongPtrW( list[i], GWLP_ID ) == id) break;
1337     ret = list[i];
1338     HeapFree( GetProcessHeap(), 0, list );
1339     return ret;
1340 }
1341
1342
1343 /*******************************************************************
1344  *              SendDlgItemMessageA (USER32.@)
1345  */
1346 LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
1347                                       WPARAM wParam, LPARAM lParam )
1348 {
1349     HWND hwndCtrl = GetDlgItem( hwnd, id );
1350     if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
1351     else return 0;
1352 }
1353
1354
1355 /*******************************************************************
1356  *              SendDlgItemMessageW (USER32.@)
1357  */
1358 LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
1359                                       WPARAM wParam, LPARAM lParam )
1360 {
1361     HWND hwndCtrl = GetDlgItem( hwnd, id );
1362     if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
1363     else return 0;
1364 }
1365
1366
1367 /*******************************************************************
1368  *              SetDlgItemTextA (USER32.@)
1369  */
1370 BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
1371 {
1372     return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1373 }
1374
1375
1376 /*******************************************************************
1377  *              SetDlgItemTextW (USER32.@)
1378  */
1379 BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
1380 {
1381     return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1382 }
1383
1384
1385 /***********************************************************************
1386  *              GetDlgItemTextA (USER32.@)
1387  */
1388 UINT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, INT len )
1389 {
1390     if (str && (len > 0)) str[0] = '\0';
1391     return (UINT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
1392                                          len, (LPARAM)str );
1393 }
1394
1395
1396 /***********************************************************************
1397  *              GetDlgItemTextW (USER32.@)
1398  */
1399 UINT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, INT len )
1400 {
1401     if (str && (len > 0)) str[0] = '\0';
1402     return (UINT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
1403                                          len, (LPARAM)str );
1404 }
1405
1406
1407 /*******************************************************************
1408  *              SetDlgItemInt (USER32.@)
1409  */
1410 BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
1411                              BOOL fSigned )
1412 {
1413     char str[20];
1414
1415     if (fSigned) sprintf( str, "%d", (INT)value );
1416     else sprintf( str, "%u", value );
1417     SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
1418     return TRUE;
1419 }
1420
1421
1422 /***********************************************************************
1423  *              GetDlgItemInt (USER32.@)
1424  */
1425 UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
1426                                BOOL fSigned )
1427 {
1428     char str[30];
1429     char * endptr;
1430     LONG_PTR result = 0;
1431
1432     if (translated) *translated = FALSE;
1433     if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
1434         return 0;
1435     if (fSigned)
1436     {
1437         result = strtol( str, &endptr, 10 );
1438         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1439             return 0;
1440         if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
1441             return 0;
1442     }
1443     else
1444     {
1445         result = strtoul( str, &endptr, 10 );
1446         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1447             return 0;
1448         if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
1449     }
1450     if (translated) *translated = TRUE;
1451     return (UINT)result;
1452 }
1453
1454
1455 /***********************************************************************
1456  *              CheckDlgButton (USER32.@)
1457  */
1458 BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
1459 {
1460     SendDlgItemMessageW( hwnd, id, BM_SETCHECK, check, 0 );
1461     return TRUE;
1462 }
1463
1464
1465 /***********************************************************************
1466  *              IsDlgButtonChecked (USER32.@)
1467  */
1468 UINT WINAPI IsDlgButtonChecked( HWND hwnd, int id )
1469 {
1470     return (UINT)SendDlgItemMessageW( hwnd, id, BM_GETCHECK, 0, 0 );
1471 }
1472
1473
1474 /***********************************************************************
1475  *           CheckRB
1476  *
1477  * Callback function used to check/uncheck radio buttons that fall
1478  * within a specific range of IDs.
1479  */
1480 static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
1481 {
1482     LONG lChildID = GetWindowLongPtrW(hwndChild, GWLP_ID);
1483     RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
1484
1485     if ((lChildID >= lpRadioGroup->firstID) &&
1486         (lChildID <= lpRadioGroup->lastID))
1487     {
1488         if (lChildID == lpRadioGroup->checkID)
1489         {
1490             SendMessageW(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
1491         }
1492         else
1493         {
1494             SendMessageW(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
1495         }
1496     }
1497
1498     return TRUE;
1499 }
1500
1501
1502 /***********************************************************************
1503  *              CheckRadioButton (USER32.@)
1504  */
1505 BOOL WINAPI CheckRadioButton( HWND hwndDlg, int firstID,
1506                               int lastID, int checkID )
1507 {
1508     RADIOGROUP radioGroup;
1509
1510     radioGroup.firstID = firstID;
1511     radioGroup.lastID = lastID;
1512     radioGroup.checkID = checkID;
1513
1514     return EnumChildWindows(hwndDlg, (WNDENUMPROC)CheckRB,
1515                             (LPARAM)&radioGroup);
1516 }
1517
1518
1519 /***********************************************************************
1520  *              GetDialogBaseUnits (USER.243)
1521  *              GetDialogBaseUnits (USER32.@)
1522  */
1523 DWORD WINAPI GetDialogBaseUnits(void)
1524 {
1525     static DWORD units;
1526
1527     if (!units)
1528     {
1529         HDC hdc;
1530         SIZE size;
1531
1532         if ((hdc = GetDC(0)))
1533         {
1534             size.cx = GdiGetCharDimensions( hdc, NULL, &size.cy );
1535             if (size.cx) units = MAKELONG( size.cx, size.cy );
1536             ReleaseDC( 0, hdc );
1537         }
1538         TRACE("base units = %d,%d\n", LOWORD(units), HIWORD(units) );
1539     }
1540     return units;
1541 }
1542
1543
1544 /***********************************************************************
1545  *              MapDialogRect (USER32.@)
1546  */
1547 BOOL WINAPI MapDialogRect( HWND hwnd, LPRECT rect )
1548 {
1549     DIALOGINFO * dlgInfo;
1550     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return FALSE;
1551     rect->left   = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
1552     rect->right  = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
1553     rect->top    = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
1554     rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
1555     return TRUE;
1556 }
1557
1558
1559 /***********************************************************************
1560  *              GetNextDlgGroupItem (USER32.@)
1561  *
1562  * Corrections to MSDN documentation
1563  *
1564  * (Under Windows 2000 at least, where hwndDlg is not actually a dialog)
1565  * 1. hwndCtrl can be hwndDlg in which case it behaves as for NULL
1566  * 2. Prev of NULL or hwndDlg fails
1567  */
1568 HWND WINAPI GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1569 {
1570     HWND hwnd, hwndNext, retvalue, hwndLastGroup = 0;
1571     BOOL fLooped=FALSE;
1572     BOOL fSkipping=FALSE;
1573
1574     hwndDlg = WIN_GetFullHandle( hwndDlg );
1575     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1576
1577     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1578     if (!hwndCtrl && fPrevious) return 0;
1579
1580     if (hwndCtrl)
1581     {
1582         if (!IsChild (hwndDlg, hwndCtrl)) return 0;
1583     }
1584     else
1585     {
1586         /* No ctrl specified -> start from the beginning */
1587         if (!(hwndCtrl = GetWindow( hwndDlg, GW_CHILD ))) return 0;
1588         /* MSDN is wrong. fPrevious does not result in the last child */
1589
1590         /* Maybe that first one is valid.  If so then we don't want to skip it*/
1591         if ((GetWindowLongW( hwndCtrl, GWL_STYLE ) & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE)
1592         {
1593             return hwndCtrl;
1594         }
1595     }
1596
1597     /* Always go forward around the group and list of controls; for the
1598      * previous control keep track; for the next break when you find one
1599      */
1600     retvalue = hwndCtrl;
1601     hwnd = hwndCtrl;
1602     while (hwndNext = GetWindow (hwnd, GW_HWNDNEXT),
1603            1)
1604     {
1605         while (!hwndNext)
1606         {
1607             /* Climb out until there is a next sibling of the ancestor or we
1608              * reach the top (in which case we loop back to the start)
1609              */
1610             if (hwndDlg == GetParent (hwnd))
1611             {
1612                 /* Wrap around to the beginning of the list, within the same
1613                  * group. (Once only)
1614                  */
1615                 if (fLooped) goto end;
1616                 fLooped = TRUE;
1617                 hwndNext = GetWindow (hwndDlg, GW_CHILD);
1618             }
1619             else
1620             {
1621                 hwnd = GetParent (hwnd);
1622                 hwndNext = GetWindow (hwnd, GW_HWNDNEXT);
1623             }
1624         }
1625         hwnd = hwndNext;
1626
1627         /* Wander down the leading edge of controlparents */
1628         while ( (GetWindowLongW (hwnd, GWL_EXSTYLE) & WS_EX_CONTROLPARENT) &&
1629                 ((GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE) &&
1630                 (hwndNext = GetWindow (hwnd, GW_CHILD)))
1631             hwnd = hwndNext;
1632         /* Question.  If the control is a control parent but either has no
1633          * children or is not visible/enabled then if it has a WS_GROUP does
1634          * it count?  For that matter does it count anyway?
1635          * I believe it doesn't count.
1636          */
1637
1638         if ((GetWindowLongW (hwnd, GWL_STYLE) & WS_GROUP))
1639         {
1640             hwndLastGroup = hwnd;
1641             if (!fSkipping)
1642             {
1643                 /* Look for the beginning of the group */
1644                 fSkipping = TRUE;
1645             }
1646         }
1647
1648         if (hwnd == hwndCtrl)
1649         {
1650             if (!fSkipping) break;
1651             if (hwndLastGroup == hwnd) break;
1652             hwnd = hwndLastGroup;
1653             fSkipping = FALSE;
1654             fLooped = FALSE;
1655         }
1656
1657         if (!fSkipping &&
1658             (GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE|WS_DISABLED)) ==
1659              WS_VISIBLE)
1660         {
1661             retvalue = hwnd;
1662             if (!fPrevious) break;
1663         }
1664     }
1665 end:
1666     return retvalue;
1667 }
1668
1669
1670 /***********************************************************************
1671  *           DIALOG_GetNextTabItem
1672  *
1673  * Recursive helper for GetNextDlgTabItem
1674  */
1675 static HWND DIALOG_GetNextTabItem( HWND hwndMain, HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1676 {
1677     LONG dsStyle;
1678     LONG exStyle;
1679     UINT wndSearch = fPrevious ? GW_HWNDPREV : GW_HWNDNEXT;
1680     HWND retWnd = 0;
1681     HWND hChildFirst = 0;
1682
1683     if(!hwndCtrl)
1684     {
1685         hChildFirst = GetWindow(hwndDlg,GW_CHILD);
1686         if(fPrevious) hChildFirst = GetWindow(hChildFirst,GW_HWNDLAST);
1687     }
1688     else if (IsChild( hwndMain, hwndCtrl ))
1689     {
1690         hChildFirst = GetWindow(hwndCtrl,wndSearch);
1691         if(!hChildFirst)
1692         {
1693             if(GetParent(hwndCtrl) != hwndMain)
1694                 /* i.e. if we are not at the top level of the recursion */
1695                 hChildFirst = GetWindow(GetParent(hwndCtrl),wndSearch);
1696             else
1697                 hChildFirst = GetWindow(hwndCtrl, fPrevious ? GW_HWNDLAST : GW_HWNDFIRST);
1698         }
1699     }
1700
1701     while(hChildFirst)
1702     {
1703         dsStyle = GetWindowLongA(hChildFirst,GWL_STYLE);
1704         exStyle = GetWindowLongA(hChildFirst,GWL_EXSTYLE);
1705         if( (exStyle & WS_EX_CONTROLPARENT) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1706         {
1707             HWND retWnd;
1708             retWnd = DIALOG_GetNextTabItem(hwndMain,hChildFirst,NULL,fPrevious );
1709             if (retWnd) return (retWnd);
1710         }
1711         else if( (dsStyle & WS_TABSTOP) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1712         {
1713             return (hChildFirst);
1714         }
1715         hChildFirst = GetWindow(hChildFirst,wndSearch);
1716     }
1717     if(hwndCtrl)
1718     {
1719         HWND hParent = GetParent(hwndCtrl);
1720         while(hParent)
1721         {
1722             if(hParent == hwndMain) break;
1723             retWnd = DIALOG_GetNextTabItem(hwndMain,GetParent(hParent),hParent,fPrevious );
1724             if(retWnd) break;
1725             hParent = GetParent(hParent);
1726         }
1727         if(!retWnd)
1728             retWnd = DIALOG_GetNextTabItem(hwndMain,hwndMain,NULL,fPrevious );
1729     }
1730     return retWnd ? retWnd : hwndCtrl;
1731 }
1732
1733 /***********************************************************************
1734  *              GetNextDlgTabItem (USER32.@)
1735  */
1736 HWND WINAPI GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl,
1737                                    BOOL fPrevious )
1738 {
1739     hwndDlg = WIN_GetFullHandle( hwndDlg );
1740     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1741
1742     /* Undocumented but tested under Win2000 and WinME */
1743     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1744
1745     /* Contrary to MSDN documentation, tested under Win2000 and WinME
1746      * NB GetLastError returns whatever was set before the function was
1747      * called.
1748      */
1749     if (!hwndCtrl && fPrevious) return 0;
1750
1751     return DIALOG_GetNextTabItem(hwndDlg,hwndDlg,hwndCtrl,fPrevious);
1752 }
1753
1754 /**********************************************************************
1755  *           DIALOG_DlgDirSelect
1756  *
1757  * Helper function for DlgDirSelect*
1758  */
1759 static BOOL DIALOG_DlgDirSelect( HWND hwnd, LPWSTR str, INT len,
1760                                  INT id, BOOL unicode, BOOL combo )
1761 {
1762     WCHAR *buffer, *ptr;
1763     INT item, size;
1764     BOOL ret;
1765     HWND listbox = GetDlgItem( hwnd, id );
1766
1767     TRACE("%p %s %d\n", hwnd, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str), id );
1768     if (!listbox) return FALSE;
1769
1770     item = SendMessageW(listbox, combo ? CB_GETCURSEL : LB_GETCURSEL, 0, 0 );
1771     if (item == LB_ERR) return FALSE;
1772
1773     size = SendMessageW(listbox, combo ? CB_GETLBTEXTLEN : LB_GETTEXTLEN, item, 0 );
1774     if (size == LB_ERR) return FALSE;
1775
1776     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (size+2) * sizeof(WCHAR) ))) return FALSE;
1777
1778     SendMessageW( listbox, combo ? CB_GETLBTEXT : LB_GETTEXT, item, (LPARAM)buffer );
1779
1780     if ((ret = (buffer[0] == '[')))  /* drive or directory */
1781     {
1782         if (buffer[1] == '-')  /* drive */
1783         {
1784             buffer[3] = ':';
1785             buffer[4] = 0;
1786             ptr = buffer + 2;
1787         }
1788         else
1789         {
1790             buffer[strlenW(buffer)-1] = '\\';
1791             ptr = buffer + 1;
1792         }
1793     }
1794     else
1795     {
1796         /* Filenames without a dot extension must have one tacked at the end */
1797         if (strchrW(buffer, '.') == NULL)
1798         {
1799             buffer[strlenW(buffer)+1] = '\0';
1800             buffer[strlenW(buffer)] = '.';
1801         }
1802         ptr = buffer;
1803     }
1804
1805     if (!unicode)
1806     {
1807         if (len > 0 && !WideCharToMultiByte( CP_ACP, 0, ptr, -1, (LPSTR)str, len, 0, 0 ))
1808             ((LPSTR)str)[len-1] = 0;
1809     }
1810     else lstrcpynW( str, ptr, len );
1811     HeapFree( GetProcessHeap(), 0, buffer );
1812     TRACE("Returning %d %s\n", ret, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str) );
1813     return ret;
1814 }
1815
1816
1817 /**********************************************************************
1818  *          DIALOG_DlgDirListW
1819  *
1820  * Helper function for DlgDirList*W
1821  */
1822 static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1823                                INT idStatic, UINT attrib, BOOL combo )
1824 {
1825     HWND hwnd;
1826     LPWSTR orig_spec = spec;
1827     WCHAR any[] = {'*','.','*',0};
1828
1829 #define SENDMSG(msg,wparam,lparam) \
1830     ((attrib & DDL_POSTMSGS) ? PostMessageW( hwnd, msg, wparam, lparam ) \
1831                              : SendMessageW( hwnd, msg, wparam, lparam ))
1832
1833     TRACE("%p %s %d %d %04x\n", hDlg, debugstr_w(spec), idLBox, idStatic, attrib );
1834
1835     /* If the path exists and is a directory, chdir to it */
1836     if (!spec || !spec[0] || SetCurrentDirectoryW( spec )) spec = any;
1837     else
1838     {
1839         WCHAR *p, *p2;
1840         p = spec;
1841         if ((p2 = strchrW( p, ':' ))) p = p2 + 1;
1842         if ((p2 = strrchrW( p, '\\' ))) p = p2;
1843         if ((p2 = strrchrW( p, '/' ))) p = p2;
1844         if (p != spec)
1845         {
1846             WCHAR sep = *p;
1847             *p = 0;
1848             if (!SetCurrentDirectoryW( spec ))
1849             {
1850                 *p = sep;  /* Restore the original spec */
1851                 return FALSE;
1852             }
1853             spec = p + 1;
1854         }
1855     }
1856
1857     TRACE( "mask=%s\n", debugstr_w(spec) );
1858
1859     if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
1860     {
1861         if (attrib == DDL_DRIVES) attrib |= DDL_EXCLUSIVE;
1862
1863         SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
1864         if (attrib & DDL_DIRECTORY)
1865         {
1866             if (!(attrib & DDL_EXCLUSIVE))
1867             {
1868                 SENDMSG( combo ? CB_DIR : LB_DIR,
1869                          attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
1870                          (LPARAM)spec );
1871             }
1872             SENDMSG( combo ? CB_DIR : LB_DIR,
1873                    (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
1874                    (LPARAM)any );
1875         }
1876         else
1877         {
1878             SENDMSG( combo ? CB_DIR : LB_DIR, attrib, (LPARAM)spec );
1879         }
1880     }
1881
1882     /* Convert path specification to uppercase */
1883     if (spec) CharUpperW(spec);
1884
1885     if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
1886     {
1887         WCHAR temp[MAX_PATH];
1888         GetCurrentDirectoryW( sizeof(temp)/sizeof(WCHAR), temp );
1889         CharLowerW( temp );
1890         /* Can't use PostMessage() here, because the string is on the stack */
1891         SetDlgItemTextW( hDlg, idStatic, temp );
1892     }
1893
1894     if (orig_spec && (spec != orig_spec))
1895     {
1896         /* Update the original file spec */
1897         WCHAR *p = spec;
1898         while ((*orig_spec++ = *p++));
1899     }
1900
1901     return TRUE;
1902 #undef SENDMSG
1903 }
1904
1905
1906 /**********************************************************************
1907  *          DIALOG_DlgDirListA
1908  *
1909  * Helper function for DlgDirList*A
1910  */
1911 static INT DIALOG_DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1912                                INT idStatic, UINT attrib, BOOL combo )
1913 {
1914     if (spec)
1915     {
1916         INT ret, len = MultiByteToWideChar( CP_ACP, 0, spec, -1, NULL, 0 );
1917         LPWSTR specW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1918         MultiByteToWideChar( CP_ACP, 0, spec, -1, specW, len );
1919         ret = DIALOG_DlgDirListW( hDlg, specW, idLBox, idStatic, attrib, combo );
1920         WideCharToMultiByte( CP_ACP, 0, specW, -1, spec, 0x7fffffff, NULL, NULL );
1921         HeapFree( GetProcessHeap(), 0, specW );
1922         return ret;
1923     }
1924     return DIALOG_DlgDirListW( hDlg, NULL, idLBox, idStatic, attrib, combo );
1925 }
1926
1927
1928 /**********************************************************************
1929  *              DlgDirSelectExA (USER32.@)
1930  */
1931 BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
1932 {
1933     return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, FALSE );
1934 }
1935
1936
1937 /**********************************************************************
1938  *              DlgDirSelectExW (USER32.@)
1939  */
1940 BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
1941 {
1942     return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, FALSE );
1943 }
1944
1945
1946 /**********************************************************************
1947  *              DlgDirSelectComboBoxExA (USER32.@)
1948  */
1949 BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
1950                                          INT id )
1951 {
1952     return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, TRUE );
1953 }
1954
1955
1956 /**********************************************************************
1957  *              DlgDirSelectComboBoxExW (USER32.@)
1958  */
1959 BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
1960                                          INT id)
1961 {
1962     return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, TRUE );
1963 }
1964
1965
1966 /**********************************************************************
1967  *              DlgDirListA (USER32.@)
1968  */
1969 INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1970                             INT idStatic, UINT attrib )
1971 {
1972     return DIALOG_DlgDirListA( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1973 }
1974
1975
1976 /**********************************************************************
1977  *              DlgDirListW (USER32.@)
1978  */
1979 INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1980                             INT idStatic, UINT attrib )
1981 {
1982     return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1983 }
1984
1985
1986 /**********************************************************************
1987  *              DlgDirListComboBoxA (USER32.@)
1988  */
1989 INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
1990                                     INT idStatic, UINT attrib )
1991 {
1992     return DIALOG_DlgDirListA( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1993 }
1994
1995
1996 /**********************************************************************
1997  *              DlgDirListComboBoxW (USER32.@)
1998  */
1999 INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
2000                                     INT idStatic, UINT attrib )
2001 {
2002     return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );
2003 }