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
 561     if (template.style & DS_CONTROL)
 562         template.style &= ~(WS_CAPTION|WS_SYSMENU);
 563     template.style |= DS_3DLOOK;
 564     if (template.style & DS_MODALFRAME)
 565         template.exStyle |= WS_EX_DLGMODALFRAME;
 566     if ((template.style & DS_CONTROL) || !(template.style & WS_CHILD))
 567         template.exStyle |= WS_EX_CONTROLPARENT;
 568     AdjustWindowRectEx( &rect, template.style, (hMenu != 0), template.exStyle );
 569     pos.x = rect.left;
 570     pos.y = rect.top;
 571     size.cx = rect.right - rect.left;
 572     size.cy = rect.bottom - rect.top;
 573
 574     if (template.x == (SHORT)0x8000 /*CW_USEDEFAULT16*/)
 575     {
 576         pos.x = pos.y = CW_USEDEFAULT;
 577     }
 578     else
 579     {
 580         HMONITOR monitor = 0;
 581         MONITORINFO mon_info;
 582
 583         mon_info.cbSize = sizeof(mon_info);
 584         if (template.style & DS_CENTER)
 585         {
 586             monitor = MonitorFromWindow( owner ? owner : GetActiveWindow(), MONITOR_DEFAULTTOPRIMARY );
 587             GetMonitorInfoW( monitor, &mon_info );
 588             pos.x = (mon_info.rcWork.left + mon_info.rcWork.right - size.cx) / 2;
 589             pos.y = (mon_info.rcWork.top + mon_info.rcWork.bottom - size.cy) / 2;
 590         }
 591         else if (template.style & DS_CENTERMOUSE)
 592         {
 593             GetCursorPos( &pos );
 594             monitor = MonitorFromPoint( pos, MONITOR_DEFAULTTOPRIMARY );
 595             GetMonitorInfoW( monitor, &mon_info );
 596         }
 597         else
 598         {
 599             pos.x += MulDiv(template.x, xBaseUnit, 4);
 600             pos.y += MulDiv(template.y, yBaseUnit, 8);
 601             if (!(template.style & (WS_CHILD|DS_ABSALIGN))) ClientToScreen( owner, &pos );
 602         }
 603         if ( !(template.style & WS_CHILD) )
 604         {
 605             INT dX, dY;
 606
 607             /* try to fit it into the desktop */
 608
 609             if (!monitor)
 610             {
 611                 SetRect( &rect, pos.x, pos.y, pos.x + size.cx, pos.y + size.cy );
 612                 monitor = MonitorFromRect( &rect, MONITOR_DEFAULTTOPRIMARY );
 613                 GetMonitorInfoW( monitor, &mon_info );
 614             }
 615             if ((dX = pos.x + size.cx + GetSystemMetrics(SM_CXDLGFRAME) - mon_info.rcWork.right) > 0)
 616                 pos.x -= dX;
 617             if ((dY = pos.y + size.cy + GetSystemMetrics(SM_CYDLGFRAME) - mon_info.rcWork.bottom) > 0)
 618                 pos.y -= dY;
 619             if( pos.x < mon_info.rcWork.left ) pos.x = mon_info.rcWork.left;
 620             if( pos.y < mon_info.rcWork.top ) pos.y = mon_info.rcWork.top;
 621         }
 622     }
 623
 624     if (modal)
 625     {
 626         ownerEnabled = DIALOG_DisableOwner( owner );
 627         if (ownerEnabled) flags |= DF_OWNERENABLED;
 628     }
 629
 630     if (unicode)
 631     {
 632         hwnd = CreateWindowExW(template.exStyle, template.className, template.caption,
 633                                template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
 634                                owner, hMenu, hInst, NULL );
 635     }
 636     else
 637     {
 638         LPCSTR class = (LPCSTR)template.className;
 639         LPCSTR caption = (LPCSTR)template.caption;
 640         LPSTR class_tmp = NULL;
 641         LPSTR caption_tmp = NULL;
 642
 643         if (!IS_INTRESOURCE(class))
 644         {
 645             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.className, -1, NULL, 0, NULL, NULL );
 646             class_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 647             WideCharToMultiByte( CP_ACP, 0, template.className, -1, class_tmp, len, NULL, NULL );
 648             class = class_tmp;
 649         }
 650         if (!IS_INTRESOURCE(caption))
 651         {
 652             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.caption, -1, NULL, 0, NULL, NULL );
 653             caption_tmp = HeapAlloc( GetProcessHeap(), 0, len );
 654             WideCharToMultiByte( CP_ACP, 0, template.caption, -1, caption_tmp, len, NULL, NULL );
 655             caption = caption_tmp;
 656         }
 657         hwnd = CreateWindowExA(template.exStyle, class, caption,
 658                                template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
 659                                owner, hMenu, hInst, NULL );
 660         HeapFree( GetProcessHeap(), 0, class_tmp );
 661         HeapFree( GetProcessHeap(), 0, caption_tmp );
 662     }
 663
 664     if (!hwnd)
 665     {
 666         if (hUserFont) DeleteObject( hUserFont );
 667         if (hMenu) DestroyMenu( hMenu );
 668         if (modal && (flags & DF_OWNERENABLED)) DIALOG_EnableOwner(owner);
 669         return 0;
 670     }
 671
 672     /* moved this from the top of the method to here as DIALOGINFO structure
 673     will be valid only after WM_CREATE message has been handled in DefDlgProc
 674     All the members of the structure get filled here using temp variables */
 675     dlgInfo = DIALOG_get_info( hwnd, TRUE );
 676     dlgInfo->hwndFocus   = 0;
 677     dlgInfo->hUserFont   = hUserFont;
 678     dlgInfo->hMenu       = hMenu;
 679     dlgInfo->xBaseUnit   = xBaseUnit;
 680     dlgInfo->yBaseUnit   = yBaseUnit;
 681     dlgInfo->flags       = flags;
 682
 683     if (template.helpId) SetWindowContextHelpId( hwnd, template.helpId );
 684
 685     if (unicode) SetWindowLongPtrW( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
 686     else SetWindowLongPtrA( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
 687
 688     if (dlgProc && dlgInfo->hUserFont)
 689         SendMessageW( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
 690
 691     /* Create controls */
 692
 693     if (DIALOG_CreateControls32( hwnd, dlgTemplate, &template, hInst, unicode ))
 694     {
 695         /* Send initialisation messages and set focus */
 696
 697         if (dlgProc)
 698         {
 699             HWND focus = GetNextDlgTabItem( hwnd, 0, FALSE );
 700             if (!focus) focus = GetNextDlgGroupItem( hwnd, 0, FALSE );
 701             if (SendMessageW( hwnd, WM_INITDIALOG, (WPARAM)focus, param ) && IsWindow( hwnd ) &&
 702                 ((~template.style & DS_CONTROL) || (template.style & WS_VISIBLE)))
 703             {
 704                 /* By returning TRUE, app has requested a default focus assignment.
 705                  * WM_INITDIALOG may have changed the tab order, so find the first
 706                  * tabstop control again. */
 707                 dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
 708                 if (!dlgInfo->hwndFocus) dlgInfo->hwndFocus = GetNextDlgGroupItem( hwnd, 0, FALSE );
 709                 if( dlgInfo->hwndFocus )
 710                     SetFocus( dlgInfo->hwndFocus );
 711             }
 712         }
 713
 714         if (template.style & WS_VISIBLE && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
 715         {
 716            ShowWindow( hwnd, SW_SHOWNORMAL );   /* SW_SHOW doesn't always work */
 717         }
 718         return hwnd;
 719     }
 720     if (modal && ownerEnabled) DIALOG_EnableOwner(owner);
 721     if( IsWindow(hwnd) ) DestroyWindow( hwnd );
 722     return 0;
 723 }
 724
 725
 726 /***********************************************************************
 727  *              CreateDialogParamA (USER32.@)
 728  */
 729 HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name, HWND owner,
 730                                 DLGPROC dlgProc, LPARAM param )
 731 {
 732     HRSRC hrsrc;
 733     LPCDLGTEMPLATEA ptr;
 734
 735     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
 736     if (!(ptr = LoadResource(hInst, hrsrc))) return 0;
 737     return CreateDialogIndirectParamA( hInst, ptr, owner, dlgProc, param );
 738 }
 739
 740
 741 /***********************************************************************
 742  *              CreateDialogParamW (USER32.@)
 743  */
 744 HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name, HWND owner,
 745                                 DLGPROC dlgProc, LPARAM param )
 746 {
 747     HRSRC hrsrc;
 748     LPCDLGTEMPLATEA ptr;
 749
 750     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
 751     if (!(ptr = LoadResource(hInst, hrsrc))) return 0;
 752     return CreateDialogIndirectParamW( hInst, ptr, owner, dlgProc, param );
 753 }
 754
 755
 756 /***********************************************************************
 757  *              CreateDialogIndirectParamAorW (USER32.@)
 758  */
 759 HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst, LPCVOID dlgTemplate,
 760                                            HWND owner, DLGPROC dlgProc, LPARAM param,
 761                                            DWORD flags )
 762 {
 763     return DIALOG_CreateIndirect( hInst, dlgTemplate, owner, dlgProc, param, !flags, FALSE );
 764 }
 765
 766 /***********************************************************************
 767  *              CreateDialogIndirectParamA (USER32.@)
 768  */
 769 HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst, LPCDLGTEMPLATEA dlgTemplate,
 770                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 771 {
 772     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 2 );
 773 }
 774
 775 /***********************************************************************
 776  *              CreateDialogIndirectParamW (USER32.@)
 777  */
 778 HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst, LPCDLGTEMPLATEW dlgTemplate,
 779                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 780 {
 781     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 0 );
 782 }
 783
 784
 785 /***********************************************************************
 786  *           DIALOG_DoDialogBox
 787  */
 788 INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
 789 {
 790     DIALOGINFO * dlgInfo;
 791     MSG msg;
 792     INT retval;
 793     HWND ownerMsg = GetAncestor( owner, GA_ROOT );
 794     BOOL bFirstEmpty;
 795
 796     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return -1;
 797
 798     bFirstEmpty = TRUE;
 799     if (!(dlgInfo->flags & DF_END)) /* was EndDialog called in WM_INITDIALOG ? */
 800     {
 801         for (;;)
 802         {
 803             if (!PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
 804             {
 805                 if (bFirstEmpty)
 806                 {
 807                     /* ShowWindow the first time the queue goes empty */
 808                     ShowWindow( hwnd, SW_SHOWNORMAL );
 809                     bFirstEmpty = FALSE;
 810                 }
 811                 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & DS_NOIDLEMSG))
 812                {
 813                     /* No message present -> send ENTERIDLE and wait */
 814                     SendMessageW( ownerMsg, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)hwnd );
 815                 }
 816                 GetMessageW( &msg, 0, 0, 0 );
 817             }
 818
 819             if (msg.message == WM_QUIT)
 820             {
 821                 PostQuitMessage( msg.wParam );
 822                 if (!IsWindow( hwnd )) return 0;
 823                 break;
 824             }
 825             if (!IsWindow( hwnd )) return 0;
 826             if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
 827             {
 828                 TranslateMessage( &msg );
 829                 DispatchMessageW( &msg );
 830             }
 831             if (!IsWindow( hwnd )) return 0;
 832             if (dlgInfo->flags & DF_END) break;
 833
 834             if (bFirstEmpty && msg.message == WM_TIMER)
 835             {
 836                 ShowWindow( hwnd, SW_SHOWNORMAL );
 837                 bFirstEmpty = FALSE;
 838             }
 839         }
 840     }
 841     if (dlgInfo->flags & DF_OWNERENABLED) DIALOG_EnableOwner( owner );
 842     retval = dlgInfo->idResult;
 843     DestroyWindow( hwnd );
 844     return retval;
 845 }
 846
 847
 848 /***********************************************************************
 849  *              DialogBoxParamA (USER32.@)
 850  */
 851 INT_PTR WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
 852                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 853 {
 854     HWND hwnd;
 855     HRSRC hrsrc;
 856     LPCDLGTEMPLATEA ptr;
 857
 858     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return -1;
 859     if (!(ptr = LoadResource(hInst, hrsrc))) return -1;
 860     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, FALSE, TRUE );
 861     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 862     return 0;
 863 }
 864
 865
 866 /***********************************************************************
 867  *              DialogBoxParamW (USER32.@)
 868  */
 869 INT_PTR WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
 870                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 871 {
 872     HWND hwnd;
 873     HRSRC hrsrc;
 874     LPCDLGTEMPLATEW ptr;
 875
 876     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return -1;
 877     if (!(ptr = LoadResource(hInst, hrsrc))) return -1;
 878     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, TRUE, TRUE );
 879     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 880     return 0;
 881 }
 882
 883
 884 /***********************************************************************
 885  *              DialogBoxIndirectParamAorW (USER32.@)
 886  */
 887 INT_PTR WINAPI DialogBoxIndirectParamAorW( HINSTANCE hInstance, LPCVOID template,
 888                                            HWND owner, DLGPROC dlgProc,
 889                                            LPARAM param, DWORD flags )
 890 {
 891     HWND hwnd = DIALOG_CreateIndirect( hInstance, template, owner, dlgProc, param, !flags, TRUE );
 892     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 893     return -1;
 894 }
 895
 896 /***********************************************************************
 897  *              DialogBoxIndirectParamA (USER32.@)
 898  */
 899 INT_PTR WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCDLGTEMPLATEA template,
 900                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 901 {
 902     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 2 );
 903 }
 904
 905
 906 /***********************************************************************
 907  *              DialogBoxIndirectParamW (USER32.@)
 908  */
 909 INT_PTR WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCDLGTEMPLATEW template,
 910                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 911 {
 912     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 0 );
 913 }
 914
 915 /***********************************************************************
 916  *              EndDialog (USER32.@)
 917  */
 918 BOOL WINAPI EndDialog( HWND hwnd, INT_PTR retval )
 919 {
 920     BOOL wasEnabled = TRUE;
 921     DIALOGINFO * dlgInfo;
 922     HWND owner;
 923
 924     TRACE("%p %ld\n", hwnd, retval );
 925
 926     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE )))
 927     {
 928         ERR("got invalid window handle (%p); buggy app !?\n", hwnd);
 929         return FALSE;
 930     }
 931     dlgInfo->idResult = retval;
 932     dlgInfo->flags |= DF_END;
 933     wasEnabled = (dlgInfo->flags & DF_OWNERENABLED);
 934
 935     owner = GetWindow( hwnd, GW_OWNER );
 936     if (wasEnabled && owner)
 937         DIALOG_EnableOwner( owner );
 938
 939     /* Windows sets the focus to the dialog itself in EndDialog */
 940
 941     if (IsChild(hwnd, GetFocus()))
 942        SetFocus( hwnd );
 943
 944     /* Don't have to send a ShowWindow(SW_HIDE), just do
 945        SetWindowPos with SWP_HIDEWINDOW as done in Windows */
 946
 947     SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
 948                  | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
 949
 950     if (hwnd == GetActiveWindow())
 951     {
 952         /* If this dialog was given an owner then set the focus to that owner
 953            even when the owner is disabled (normally when a window closes any
 954            disabled windows cannot receive the focus). */
 955         if (owner)
 956             SetForegroundWindow( owner );
 957         else
 958             WINPOS_ActivateOtherWindow( hwnd );
 959     }
 960
 961     /* unblock dialog loop */
 962     PostMessageA(hwnd, WM_NULL, 0, 0);
 963     return TRUE;
 964 }
 965
 966
 967 /***********************************************************************
 968  *           DIALOG_IsAccelerator
 969  */
 970 static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
 971 {
 972     HWND hwndControl = hwnd;
 973     HWND hwndNext;
 974     INT dlgCode;
 975     WCHAR buffer[128];
 976
 977     do
 978     {
 979         DWORD style = GetWindowLongW( hwndControl, GWL_STYLE );
 980         if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
 981         {
 982             dlgCode = SendMessageW( hwndControl, WM_GETDLGCODE, 0, 0 );
 983             if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
 984                  GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
 985             {
 986                 /* find the accelerator key */
 987                 LPWSTR p = buffer - 2;
 988
 989                 do
 990                 {
 991                     p = strchrW( p + 2, '&' );
 992                 }
 993                 while (p != NULL && p[1] == '&');
 994
 995                 /* and check if it's the one we're looking for */
 996                 if (p != NULL && toupperW( p[1] ) == toupperW( wParam ) )
 997                 {
 998                     if ((dlgCode & DLGC_STATIC) || (style & 0x0f) == BS_GROUPBOX )
 999                     {
1000                         /* set focus to the control */
1001                         SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndControl, 1);
1002                         /* and bump it on to next */
1003                         SendMessageW( hwndDlg, WM_NEXTDLGCTL, 0, 0);
1004                     }
1005                     else if (dlgCode & DLGC_BUTTON)
1006                     {
1007                         /* send BM_CLICK message to the control */
1008                         SendMessageW( hwndControl, BM_CLICK, 0, 0 );
1009                     }
1010                     return TRUE;
1011                 }
1012             }
1013             hwndNext = GetWindow( hwndControl, GW_CHILD );
1014         }
1015         else hwndNext = 0;
1016
1017         if (!hwndNext) hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
1018
1019         while (!hwndNext && hwndControl)
1020         {
1021             hwndControl = GetParent( hwndControl );
1022             if (hwndControl == hwndDlg)
1023             {
1024                 if(hwnd==hwndDlg)   /* prevent endless loop */
1025                 {
1026                     hwndNext=hwnd;
1027                     break;
1028                 }
1029                 hwndNext = GetWindow( hwndDlg, GW_CHILD );
1030             }
1031             else
1032                 hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
1033         }
1034         hwndControl = hwndNext;
1035     }
1036     while (hwndControl && (hwndControl != hwnd));
1037
1038     return FALSE;
1039 }
1040
1041 /***********************************************************************
1042  *           DIALOG_FindMsgDestination
1043  *
1044  * The messages that IsDialogMessage sends may not go to the dialog
1045  * calling IsDialogMessage if that dialog is a child, and it has the
1046  * DS_CONTROL style set.
1047  * We propagate up until we hit one that does not have DS_CONTROL, or
1048  * whose parent is not a dialog.
1049  *
1050  * This is undocumented behaviour.
1051  */
1052 static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
1053 {
1054     while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
1055     {
1056         WND *pParent;
1057         HWND hParent = GetParent(hwndDlg);
1058         if (!hParent) break;
1059
1060         pParent = WIN_GetPtr(hParent);
1061         if (!pParent || pParent == WND_OTHER_PROCESS || pParent == WND_DESKTOP) break;
1062
1063         if (!pParent->dlgInfo)
1064         {
1065             WIN_ReleasePtr(pParent);
1066             break;
1067         }
1068         WIN_ReleasePtr(pParent);
1069
1070         hwndDlg = hParent;
1071     }
1072
1073     return hwndDlg;
1074 }
1075
1076 /***********************************************************************
1077  *              DIALOG_FixOneChildOnChangeFocus
1078  *
1079  * Callback helper for DIALOG_FixChildrenOnChangeFocus
1080  */
1081
1082 static BOOL CALLBACK DIALOG_FixOneChildOnChangeFocus (HWND hwndChild,
1083         LPARAM lParam)
1084 {
1085     /* If a default pushbutton then no longer default */
1086     if (DLGC_DEFPUSHBUTTON & SendMessageW (hwndChild, WM_GETDLGCODE, 0, 0))
1087         SendMessageW (hwndChild, BM_SETSTYLE, BS_PUSHBUTTON, TRUE);
1088     return TRUE;
1089 }
1090
1091 /***********************************************************************
1092  *              DIALOG_FixChildrenOnChangeFocus
1093  *
1094  * Following the change of focus that occurs for example after handling
1095  * a WM_KEYDOWN VK_TAB in IsDialogMessage, some tidying of the dialog's
1096  * children may be required.
1097  */
1098 static void DIALOG_FixChildrenOnChangeFocus (HWND hwndDlg, HWND hwndNext)
1099 {
1100     INT dlgcode_next = SendMessageW (hwndNext, WM_GETDLGCODE, 0, 0);
1101     /* INT dlgcode_dlg  = SendMessageW (hwndDlg, WM_GETDLGCODE, 0, 0); */
1102     /* Windows does ask for this.  I don't know why yet */
1103
1104     EnumChildWindows (hwndDlg, DIALOG_FixOneChildOnChangeFocus, 0);
1105
1106     /* If the button that is getting the focus WAS flagged as the default
1107      * pushbutton then ask the dialog what it thinks the default is and
1108      * set that in the default style.
1109      */
1110     if (dlgcode_next & DLGC_DEFPUSHBUTTON)
1111     {
1112         DWORD def_id = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0);
1113         if (HIWORD(def_id) == DC_HASDEFID)
1114         {
1115             HWND hwndDef;
1116             def_id = LOWORD(def_id);
1117             hwndDef = GetDlgItem (hwndDlg, def_id);
1118             if (hwndDef)
1119             {
1120                 INT dlgcode_def = SendMessageW (hwndDef, WM_GETDLGCODE, 0, 0);
1121                 /* I know that if it is a button then it should already be a
1122                  * UNDEFPUSHBUTTON, since we have just told the buttons to
1123                  * change style.  But maybe they ignored our request
1124                  */
1125                 if ((dlgcode_def & DLGC_BUTTON) &&
1126                         (dlgcode_def &  DLGC_UNDEFPUSHBUTTON))
1127                 {
1128                     SendMessageW (hwndDef, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1129                 }
1130             }
1131         }
1132     }
1133     else if ((dlgcode_next & DLGC_BUTTON) && (dlgcode_next & DLGC_UNDEFPUSHBUTTON))
1134     {
1135         SendMessageW (hwndNext, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1136         /* I wonder why it doesn't send a DM_SETDEFID */
1137     }
1138 }
1139
1140 /***********************************************************************
1141  *           DIALOG_IdToHwnd
1142  *
1143  * A recursive version of GetDlgItem
1144  *
1145  * RETURNS
1146  *  The HWND for a Child ID.
1147  */
1148 static HWND DIALOG_IdToHwnd( HWND hwndDlg, INT id )
1149 {
1150     int i;
1151     HWND *list = WIN_ListChildren( hwndDlg );
1152     HWND ret = 0;
1153
1154     if (!list) return 0;
1155
1156     for (i = 0; list[i]; i++)
1157     {
1158         if (GetWindowLongPtrW( list[i], GWLP_ID ) == id)
1159         {
1160             ret = list[i];
1161             break;
1162         }
1163
1164         /* Recurse into every child */
1165         if ((ret = DIALOG_IdToHwnd( list[i], id ))) break;
1166     }
1167
1168     HeapFree( GetProcessHeap(), 0, list );
1169     return ret;
1170 }
1171
1172 /***********************************************************************
1173  *              IsDialogMessageW (USER32.@)
1174  */
1175 BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
1176 {
1177     INT dlgCode = 0;
1178
1179     if (CallMsgFilterW( msg, MSGF_DIALOGBOX )) return TRUE;
1180
1181     hwndDlg = WIN_GetFullHandle( hwndDlg );
1182     if (is_desktop_window(hwndDlg)) return FALSE;
1183     if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
1184
1185     hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
1186
1187     switch(msg->message)
1188     {
1189     case WM_KEYDOWN:
1190         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1191         if (dlgCode & (DLGC_WANTMESSAGE)) break;
1192
1193         switch(msg->wParam)
1194         {
1195         case VK_TAB:
1196             if (!(dlgCode & DLGC_WANTTAB))
1197             {
1198                 BOOL fIsDialog = TRUE;
1199                 WND *pWnd = WIN_GetPtr( hwndDlg );
1200
1201                 if (pWnd && pWnd != WND_OTHER_PROCESS)
1202                 {
1203                     fIsDialog = (pWnd->dlgInfo != NULL);
1204                     WIN_ReleasePtr(pWnd);
1205                 }
1206
1207                 /* I am not sure under which circumstances the TAB is handled
1208                  * each way.  All I do know is that it does not always simply
1209                  * send WM_NEXTDLGCTL.  (Personally I have never yet seen it
1210                  * do so but I presume someone has)
1211                  */
1212                 if (fIsDialog)
1213                     SendMessageW( hwndDlg, WM_NEXTDLGCTL, (GetKeyState(VK_SHIFT) & 0x8000), 0 );
1214                 else
1215                 {
1216                     /* It would appear that GetNextDlgTabItem can handle being
1217                      * passed hwndDlg rather than NULL but that is undocumented
1218                      * so let's do it properly
1219                      */
1220                     HWND hwndFocus = GetFocus();
1221                     HWND hwndNext = GetNextDlgTabItem (hwndDlg,
1222                             hwndFocus == hwndDlg ? NULL : hwndFocus,
1223                             GetKeyState (VK_SHIFT) & 0x8000);
1224                     if (hwndNext)
1225                     {
1226                         dlgCode = SendMessageW (hwndNext, WM_GETDLGCODE,
1227                                 msg->wParam, (LPARAM)msg);
1228                         if (dlgCode & DLGC_HASSETSEL)
1229                         {
1230                             INT maxlen = 1 + SendMessageW (hwndNext, WM_GETTEXTLENGTH, 0, 0);
1231                             WCHAR *buffer = HeapAlloc (GetProcessHeap(), 0, maxlen * sizeof(WCHAR));
1232                             if (buffer)
1233                             {
1234                                 INT length;
1235                                 SendMessageW (hwndNext, WM_GETTEXT, maxlen, (LPARAM) buffer);
1236                                 length = strlenW (buffer);
1237                                 HeapFree (GetProcessHeap(), 0, buffer);
1238                                 SendMessageW (hwndNext, EM_SETSEL, 0, length);
1239                             }
1240                         }
1241                         SetFocus (hwndNext);
1242                         DIALOG_FixChildrenOnChangeFocus (hwndDlg, hwndNext);
1243                     }
1244                     else
1245                         return FALSE;
1246                 }
1247                 return TRUE;
1248             }
1249             break;
1250
1251         case VK_RIGHT:
1252         case VK_DOWN:
1253         case VK_LEFT:
1254         case VK_UP:
1255             if (!(dlgCode & DLGC_WANTARROWS))
1256             {
1257                 BOOL fPrevious = (msg->wParam == VK_LEFT || msg->wParam == VK_UP);
1258                 HWND hwndNext = GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
1259                 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndNext, 1 );
1260                 return TRUE;
1261             }
1262             break;
1263
1264         case VK_CANCEL:
1265         case VK_ESCAPE:
1266             SendMessageW( hwndDlg, WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
1267             return TRUE;
1268
1269         case VK_EXECUTE:
1270         case VK_RETURN:
1271             {
1272                 DWORD dw;
1273                 if ((GetFocus() == msg->hwnd) &&
1274                     (SendMessageW (msg->hwnd, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
1275                 {
1276                     SendMessageW (hwndDlg, WM_COMMAND, MAKEWPARAM (GetDlgCtrlID(msg->hwnd),BN_CLICKED), (LPARAM)msg->hwnd);
1277                 }
1278                 else if (DC_HASDEFID == HIWORD(dw = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0)))
1279                 {
1280                     HWND hwndDef = DIALOG_IdToHwnd(hwndDlg, LOWORD(dw));
1281                     if (!hwndDef || IsWindowEnabled(hwndDef))
1282                         SendMessageW( hwndDlg, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ), (LPARAM)hwndDef);
1283                 }
1284                 else
1285                 {
1286                     SendMessageW( hwndDlg, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
1287
1288                 }
1289             }
1290             return TRUE;
1291         }
1292         break;
1293
1294     case WM_CHAR:
1295         /* FIXME Under what circumstances does WM_GETDLGCODE get sent?
1296          * It does NOT get sent in the test program I have
1297          */
1298         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1299         if (dlgCode & (DLGC_WANTCHARS|DLGC_WANTMESSAGE)) break;
1300         if (msg->wParam == '\t' && (dlgCode & DLGC_WANTTAB)) break;
1301         /* drop through */
1302
1303     case WM_SYSCHAR:
1304         if (DIALOG_IsAccelerator( WIN_GetFullHandle(msg->hwnd), hwndDlg, msg->wParam ))
1305         {
1306             /* don't translate or dispatch */
1307             return TRUE;
1308         }
1309         break;
1310     }
1311
1312     TranslateMessage( msg );
1313     DispatchMessageW( msg );
1314     return TRUE;
1315 }
1316
1317
1318 /***********************************************************************
1319  *              GetDlgCtrlID (USER32.@)
1320  */
1321 INT WINAPI GetDlgCtrlID( HWND hwnd )
1322 {
1323     return GetWindowLongPtrW( hwnd, GWLP_ID );
1324 }
1325
1326
1327 /***********************************************************************
1328  *              GetDlgItem (USER32.@)
1329  */
1330 HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
1331 {
1332     int i;
1333     HWND *list = WIN_ListChildren( hwndDlg );
1334     HWND ret = 0;
1335
1336     if (!list) return 0;
1337
1338     for (i = 0; list[i]; i++) if (GetWindowLongPtrW( list[i], GWLP_ID ) == id) break;
1339     ret = list[i];
1340     HeapFree( GetProcessHeap(), 0, list );
1341     return ret;
1342 }
1343
1344
1345 /*******************************************************************
1346  *              SendDlgItemMessageA (USER32.@)
1347  */
1348 LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
1349                                       WPARAM wParam, LPARAM lParam )
1350 {
1351     HWND hwndCtrl = GetDlgItem( hwnd, id );
1352     if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
1353     else return 0;
1354 }
1355
1356
1357 /*******************************************************************
1358  *              SendDlgItemMessageW (USER32.@)
1359  */
1360 LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
1361                                       WPARAM wParam, LPARAM lParam )
1362 {
1363     HWND hwndCtrl = GetDlgItem( hwnd, id );
1364     if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
1365     else return 0;
1366 }
1367
1368
1369 /*******************************************************************
1370  *              SetDlgItemTextA (USER32.@)
1371  */
1372 BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
1373 {
1374     return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1375 }
1376
1377
1378 /*******************************************************************
1379  *              SetDlgItemTextW (USER32.@)
1380  */
1381 BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
1382 {
1383     return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1384 }
1385
1386
1387 /***********************************************************************
1388  *              GetDlgItemTextA (USER32.@)
1389  */
1390 UINT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, INT len )
1391 {
1392     if (str && (len > 0)) str[0] = '\0';
1393     return (UINT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
1394                                          len, (LPARAM)str );
1395 }
1396
1397
1398 /***********************************************************************
1399  *              GetDlgItemTextW (USER32.@)
1400  */
1401 UINT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, INT len )
1402 {
1403     if (str && (len > 0)) str[0] = '\0';
1404     return (UINT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
1405                                          len, (LPARAM)str );
1406 }
1407
1408
1409 /*******************************************************************
1410  *              SetDlgItemInt (USER32.@)
1411  */
1412 BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
1413                              BOOL fSigned )
1414 {
1415     char str[20];
1416
1417     if (fSigned) sprintf( str, "%d", (INT)value );
1418     else sprintf( str, "%u", value );
1419     SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
1420     return TRUE;
1421 }
1422
1423
1424 /***********************************************************************
1425  *              GetDlgItemInt (USER32.@)
1426  */
1427 UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
1428                                BOOL fSigned )
1429 {
1430     char str[30];
1431     char * endptr;
1432     LONG_PTR result = 0;
1433
1434     if (translated) *translated = FALSE;
1435     if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
1436         return 0;
1437     if (fSigned)
1438     {
1439         result = strtol( str, &endptr, 10 );
1440         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1441             return 0;
1442         if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
1443             return 0;
1444     }
1445     else
1446     {
1447         result = strtoul( str, &endptr, 10 );
1448         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1449             return 0;
1450         if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
1451     }
1452     if (translated) *translated = TRUE;
1453     return (UINT)result;
1454 }
1455
1456
1457 /***********************************************************************
1458  *              CheckDlgButton (USER32.@)
1459  */
1460 BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
1461 {
1462     SendDlgItemMessageW( hwnd, id, BM_SETCHECK, check, 0 );
1463     return TRUE;
1464 }
1465
1466
1467 /***********************************************************************
1468  *              IsDlgButtonChecked (USER32.@)
1469  */
1470 UINT WINAPI IsDlgButtonChecked( HWND hwnd, int id )
1471 {
1472     return (UINT)SendDlgItemMessageW( hwnd, id, BM_GETCHECK, 0, 0 );
1473 }
1474
1475
1476 /***********************************************************************
1477  *           CheckRB
1478  *
1479  * Callback function used to check/uncheck radio buttons that fall
1480  * within a specific range of IDs.
1481  */
1482 static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
1483 {
1484     LONG lChildID = GetWindowLongPtrW(hwndChild, GWLP_ID);
1485     RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
1486
1487     if ((lChildID >= lpRadioGroup->firstID) &&
1488         (lChildID <= lpRadioGroup->lastID))
1489     {
1490         if (lChildID == lpRadioGroup->checkID)
1491         {
1492             SendMessageW(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
1493         }
1494         else
1495         {
1496             SendMessageW(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
1497         }
1498     }
1499
1500     return TRUE;
1501 }
1502
1503
1504 /***********************************************************************
1505  *              CheckRadioButton (USER32.@)
1506  */
1507 BOOL WINAPI CheckRadioButton( HWND hwndDlg, int firstID,
1508                               int lastID, int checkID )
1509 {
1510     RADIOGROUP radioGroup;
1511
1512     radioGroup.firstID = firstID;
1513     radioGroup.lastID = lastID;
1514     radioGroup.checkID = checkID;
1515
1516     return EnumChildWindows(hwndDlg, CheckRB, (LPARAM)&radioGroup);
1517 }
1518
1519
1520 /***********************************************************************
1521  *              GetDialogBaseUnits (USER.243)
1522  *              GetDialogBaseUnits (USER32.@)
1523  */
1524 DWORD WINAPI GetDialogBaseUnits(void)
1525 {
1526     static DWORD units;
1527
1528     if (!units)
1529     {
1530         HDC hdc;
1531         SIZE size;
1532
1533         if ((hdc = GetDC(0)))
1534         {
1535             size.cx = GdiGetCharDimensions( hdc, NULL, &size.cy );
1536             if (size.cx) units = MAKELONG( size.cx, size.cy );
1537             ReleaseDC( 0, hdc );
1538         }
1539         TRACE("base units = %d,%d\n", LOWORD(units), HIWORD(units) );
1540     }
1541     return units;
1542 }
1543
1544
1545 /***********************************************************************
1546  *              MapDialogRect (USER32.@)
1547  */
1548 BOOL WINAPI MapDialogRect( HWND hwnd, LPRECT rect )
1549 {
1550     DIALOGINFO * dlgInfo;
1551     if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return FALSE;
1552     rect->left   = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
1553     rect->right  = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
1554     rect->top    = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
1555     rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
1556     return TRUE;
1557 }
1558
1559
1560 /***********************************************************************
1561  *              GetNextDlgGroupItem (USER32.@)
1562  *
1563  * Corrections to MSDN documentation
1564  *
1565  * (Under Windows 2000 at least, where hwndDlg is not actually a dialog)
1566  * 1. hwndCtrl can be hwndDlg in which case it behaves as for NULL
1567  * 2. Prev of NULL or hwndDlg fails
1568  */
1569 HWND WINAPI GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1570 {
1571     HWND hwnd, hwndNext, retvalue, hwndLastGroup = 0;
1572     BOOL fLooped=FALSE;
1573     BOOL fSkipping=FALSE;
1574
1575     hwndDlg = WIN_GetFullHandle( hwndDlg );
1576     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1577
1578     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1579     if (!hwndCtrl && fPrevious) return 0;
1580
1581     if (hwndCtrl)
1582     {
1583         if (!IsChild (hwndDlg, hwndCtrl)) return 0;
1584     }
1585     else
1586     {
1587         /* No ctrl specified -> start from the beginning */
1588         if (!(hwndCtrl = GetWindow( hwndDlg, GW_CHILD ))) return 0;
1589         /* MSDN is wrong. fPrevious does not result in the last child */
1590
1591         /* Maybe that first one is valid.  If so then we don't want to skip it*/
1592         if ((GetWindowLongW( hwndCtrl, GWL_STYLE ) & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE)
1593         {
1594             return hwndCtrl;
1595         }
1596     }
1597
1598     /* Always go forward around the group and list of controls; for the
1599      * previous control keep track; for the next break when you find one
1600      */
1601     retvalue = hwndCtrl;
1602     hwnd = hwndCtrl;
1603     while (hwndNext = GetWindow (hwnd, GW_HWNDNEXT),
1604            1)
1605     {
1606         while (!hwndNext)
1607         {
1608             /* Climb out until there is a next sibling of the ancestor or we
1609              * reach the top (in which case we loop back to the start)
1610              */
1611             if (hwndDlg == GetParent (hwnd))
1612             {
1613                 /* Wrap around to the beginning of the list, within the same
1614                  * group. (Once only)
1615                  */
1616                 if (fLooped) goto end;
1617                 fLooped = TRUE;
1618                 hwndNext = GetWindow (hwndDlg, GW_CHILD);
1619             }
1620             else
1621             {
1622                 hwnd = GetParent (hwnd);
1623                 hwndNext = GetWindow (hwnd, GW_HWNDNEXT);
1624             }
1625         }
1626         hwnd = hwndNext;
1627
1628         /* Wander down the leading edge of controlparents */
1629         while ( (GetWindowLongW (hwnd, GWL_EXSTYLE) & WS_EX_CONTROLPARENT) &&
1630                 ((GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE) &&
1631                 (hwndNext = GetWindow (hwnd, GW_CHILD)))
1632             hwnd = hwndNext;
1633         /* Question.  If the control is a control parent but either has no
1634          * children or is not visible/enabled then if it has a WS_GROUP does
1635          * it count?  For that matter does it count anyway?
1636          * I believe it doesn't count.
1637          */
1638
1639         if ((GetWindowLongW (hwnd, GWL_STYLE) & WS_GROUP))
1640         {
1641             hwndLastGroup = hwnd;
1642             if (!fSkipping)
1643             {
1644                 /* Look for the beginning of the group */
1645                 fSkipping = TRUE;
1646             }
1647         }
1648
1649         if (hwnd == hwndCtrl)
1650         {
1651             if (!fSkipping) break;
1652             if (hwndLastGroup == hwnd) break;
1653             hwnd = hwndLastGroup;
1654             fSkipping = FALSE;
1655             fLooped = FALSE;
1656         }
1657
1658         if (!fSkipping &&
1659             (GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE|WS_DISABLED)) ==
1660              WS_VISIBLE)
1661         {
1662             retvalue = hwnd;
1663             if (!fPrevious) break;
1664         }
1665     }
1666 end:
1667     return retvalue;
1668 }
1669
1670
1671 /***********************************************************************
1672  *           DIALOG_GetNextTabItem
1673  *
1674  * Recursive helper for GetNextDlgTabItem
1675  */
1676 static HWND DIALOG_GetNextTabItem( HWND hwndMain, HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1677 {
1678     LONG dsStyle;
1679     LONG exStyle;
1680     UINT wndSearch = fPrevious ? GW_HWNDPREV : GW_HWNDNEXT;
1681     HWND retWnd = 0;
1682     HWND hChildFirst = 0;
1683
1684     if(!hwndCtrl)
1685     {
1686         hChildFirst = GetWindow(hwndDlg,GW_CHILD);
1687         if(fPrevious) hChildFirst = GetWindow(hChildFirst,GW_HWNDLAST);
1688     }
1689     else if (IsChild( hwndMain, hwndCtrl ))
1690     {
1691         hChildFirst = GetWindow(hwndCtrl,wndSearch);
1692         if(!hChildFirst)
1693         {
1694             if(GetParent(hwndCtrl) != hwndMain)
1695                 /* i.e. if we are not at the top level of the recursion */
1696                 hChildFirst = GetWindow(GetParent(hwndCtrl),wndSearch);
1697             else
1698                 hChildFirst = GetWindow(hwndCtrl, fPrevious ? GW_HWNDLAST : GW_HWNDFIRST);
1699         }
1700     }
1701
1702     while(hChildFirst)
1703     {
1704         dsStyle = GetWindowLongA(hChildFirst,GWL_STYLE);
1705         exStyle = GetWindowLongA(hChildFirst,GWL_EXSTYLE);
1706         if( (exStyle & WS_EX_CONTROLPARENT) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1707         {
1708             HWND retWnd;
1709             retWnd = DIALOG_GetNextTabItem(hwndMain,hChildFirst,NULL,fPrevious );
1710             if (retWnd) return (retWnd);
1711         }
1712         else if( (dsStyle & WS_TABSTOP) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1713         {
1714             return (hChildFirst);
1715         }
1716         hChildFirst = GetWindow(hChildFirst,wndSearch);
1717     }
1718     if(hwndCtrl)
1719     {
1720         HWND hParent = GetParent(hwndCtrl);
1721         while(hParent)
1722         {
1723             if(hParent == hwndMain) break;
1724             retWnd = DIALOG_GetNextTabItem(hwndMain,GetParent(hParent),hParent,fPrevious );
1725             if(retWnd) break;
1726             hParent = GetParent(hParent);
1727         }
1728         if(!retWnd)
1729             retWnd = DIALOG_GetNextTabItem(hwndMain,hwndMain,NULL,fPrevious );
1730     }
1731     return retWnd ? retWnd : hwndCtrl;
1732 }
1733
1734 /***********************************************************************
1735  *              GetNextDlgTabItem (USER32.@)
1736  */
1737 HWND WINAPI GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl,
1738                                    BOOL fPrevious )
1739 {
1740     hwndDlg = WIN_GetFullHandle( hwndDlg );
1741     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1742
1743     /* Undocumented but tested under Win2000 and WinME */
1744     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1745
1746     /* Contrary to MSDN documentation, tested under Win2000 and WinME
1747      * NB GetLastError returns whatever was set before the function was
1748      * called.
1749      */
1750     if (!hwndCtrl && fPrevious) return 0;
1751
1752     return DIALOG_GetNextTabItem(hwndDlg,hwndDlg,hwndCtrl,fPrevious);
1753 }
1754
1755 /**********************************************************************
1756  *           DIALOG_DlgDirSelect
1757  *
1758  * Helper function for DlgDirSelect*
1759  */
1760 static BOOL DIALOG_DlgDirSelect( HWND hwnd, LPWSTR str, INT len,
1761                                  INT id, BOOL unicode, BOOL combo )
1762 {
1763     WCHAR *buffer, *ptr;
1764     INT item, size;
1765     BOOL ret;
1766     HWND listbox = GetDlgItem( hwnd, id );
1767
1768     TRACE("%p %s %d\n", hwnd, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str), id );
1769     if (!listbox) return FALSE;
1770
1771     item = SendMessageW(listbox, combo ? CB_GETCURSEL : LB_GETCURSEL, 0, 0 );
1772     if (item == LB_ERR) return FALSE;
1773
1774     size = SendMessageW(listbox, combo ? CB_GETLBTEXTLEN : LB_GETTEXTLEN, item, 0 );
1775     if (size == LB_ERR) return FALSE;
1776
1777     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (size+2) * sizeof(WCHAR) ))) return FALSE;
1778
1779     SendMessageW( listbox, combo ? CB_GETLBTEXT : LB_GETTEXT, item, (LPARAM)buffer );
1780
1781     if ((ret = (buffer[0] == '[')))  /* drive or directory */
1782     {
1783         if (buffer[1] == '-')  /* drive */
1784         {
1785             buffer[3] = ':';
1786             buffer[4] = 0;
1787             ptr = buffer + 2;
1788         }
1789         else
1790         {
1791             buffer[strlenW(buffer)-1] = '\\';
1792             ptr = buffer + 1;
1793         }
1794     }
1795     else
1796     {
1797         /* Filenames without a dot extension must have one tacked at the end */
1798         if (strchrW(buffer, '.') == NULL)
1799         {
1800             buffer[strlenW(buffer)+1] = '\0';
1801             buffer[strlenW(buffer)] = '.';
1802         }
1803         ptr = buffer;
1804     }
1805
1806     if (!unicode)
1807     {
1808         if (len > 0 && !WideCharToMultiByte( CP_ACP, 0, ptr, -1, (LPSTR)str, len, 0, 0 ))
1809             ((LPSTR)str)[len-1] = 0;
1810     }
1811     else lstrcpynW( str, ptr, len );
1812     HeapFree( GetProcessHeap(), 0, buffer );
1813     TRACE("Returning %d %s\n", ret, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str) );
1814     return ret;
1815 }
1816
1817
1818 /**********************************************************************
1819  *          DIALOG_DlgDirListW
1820  *
1821  * Helper function for DlgDirList*W
1822  */
1823 static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1824                                INT idStatic, UINT attrib, BOOL combo )
1825 {
1826     HWND hwnd;
1827     LPWSTR orig_spec = spec;
1828     WCHAR any[] = {'*','.','*',0};
1829
1830 #define SENDMSG(msg,wparam,lparam) \
1831     ((attrib & DDL_POSTMSGS) ? PostMessageW( hwnd, msg, wparam, lparam ) \
1832                              : SendMessageW( hwnd, msg, wparam, lparam ))
1833
1834     TRACE("%p %s %d %d %04x\n", hDlg, debugstr_w(spec), idLBox, idStatic, attrib );
1835
1836     /* If the path exists and is a directory, chdir to it */
1837     if (!spec || !spec[0] || SetCurrentDirectoryW( spec )) spec = any;
1838     else
1839     {
1840         WCHAR *p, *p2;
1841         p = spec;
1842         if ((p2 = strchrW( p, ':' ))) p = p2 + 1;
1843         if ((p2 = strrchrW( p, '\\' ))) p = p2;
1844         if ((p2 = strrchrW( p, '/' ))) p = p2;
1845         if (p != spec)
1846         {
1847             WCHAR sep = *p;
1848             *p = 0;
1849             if (!SetCurrentDirectoryW( spec ))
1850             {
1851                 *p = sep;  /* Restore the original spec */
1852                 return FALSE;
1853             }
1854             spec = p + 1;
1855         }
1856     }
1857
1858     TRACE( "mask=%s\n", debugstr_w(spec) );
1859
1860     if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
1861     {
1862         if (attrib == DDL_DRIVES) attrib |= DDL_EXCLUSIVE;
1863
1864         SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
1865         if (attrib & DDL_DIRECTORY)
1866         {
1867             if (!(attrib & DDL_EXCLUSIVE))
1868             {
1869                 SENDMSG( combo ? CB_DIR : LB_DIR,
1870                          attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
1871                          (LPARAM)spec );
1872             }
1873             SENDMSG( combo ? CB_DIR : LB_DIR,
1874                    (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
1875                    (LPARAM)any );
1876         }
1877         else
1878         {
1879             SENDMSG( combo ? CB_DIR : LB_DIR, attrib, (LPARAM)spec );
1880         }
1881     }
1882
1883     /* Convert path specification to uppercase */
1884     if (spec) CharUpperW(spec);
1885
1886     if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
1887     {
1888         WCHAR temp[MAX_PATH];
1889         GetCurrentDirectoryW( sizeof(temp)/sizeof(WCHAR), temp );
1890         CharLowerW( temp );
1891         /* Can't use PostMessage() here, because the string is on the stack */
1892         SetDlgItemTextW( hDlg, idStatic, temp );
1893     }
1894
1895     if (orig_spec && (spec != orig_spec))
1896     {
1897         /* Update the original file spec */
1898         WCHAR *p = spec;
1899         while ((*orig_spec++ = *p++));
1900     }
1901
1902     return TRUE;
1903 #undef SENDMSG
1904 }
1905
1906
1907 /**********************************************************************
1908  *          DIALOG_DlgDirListA
1909  *
1910  * Helper function for DlgDirList*A
1911  */
1912 static INT DIALOG_DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1913                                INT idStatic, UINT attrib, BOOL combo )
1914 {
1915     if (spec)
1916     {
1917         INT ret, len = MultiByteToWideChar( CP_ACP, 0, spec, -1, NULL, 0 );
1918         LPWSTR specW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1919         MultiByteToWideChar( CP_ACP, 0, spec, -1, specW, len );
1920         ret = DIALOG_DlgDirListW( hDlg, specW, idLBox, idStatic, attrib, combo );
1921         WideCharToMultiByte( CP_ACP, 0, specW, -1, spec, 0x7fffffff, NULL, NULL );
1922         HeapFree( GetProcessHeap(), 0, specW );
1923         return ret;
1924     }
1925     return DIALOG_DlgDirListW( hDlg, NULL, idLBox, idStatic, attrib, combo );
1926 }
1927
1928
1929 /**********************************************************************
1930  *              DlgDirSelectExA (USER32.@)
1931  */
1932 BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
1933 {
1934     return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, FALSE );
1935 }
1936
1937
1938 /**********************************************************************
1939  *              DlgDirSelectExW (USER32.@)
1940  */
1941 BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
1942 {
1943     return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, FALSE );
1944 }
1945
1946
1947 /**********************************************************************
1948  *              DlgDirSelectComboBoxExA (USER32.@)
1949  */
1950 BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
1951                                          INT id )
1952 {
1953     return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, TRUE );
1954 }
1955
1956
1957 /**********************************************************************
1958  *              DlgDirSelectComboBoxExW (USER32.@)
1959  */
1960 BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
1961                                          INT id)
1962 {
1963     return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, TRUE );
1964 }
1965
1966
1967 /**********************************************************************
1968  *              DlgDirListA (USER32.@)
1969  */
1970 INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1971                             INT idStatic, UINT attrib )
1972 {
1973     return DIALOG_DlgDirListA( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1974 }
1975
1976
1977 /**********************************************************************
1978  *              DlgDirListW (USER32.@)
1979  */
1980 INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1981                             INT idStatic, UINT attrib )
1982 {
1983     return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1984 }
1985
1986
1987 /**********************************************************************
1988  *              DlgDirListComboBoxA (USER32.@)
1989  */
1990 INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
1991                                     INT idStatic, UINT attrib )
1992 {
1993     return DIALOG_DlgDirListA( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1994 }
1995
1996
1997 /**********************************************************************
1998  *              DlgDirListComboBoxW (USER32.@)
1999  */
2000 INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
2001                                     INT idStatic, UINT attrib )
2002 {
2003     return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );
2004 }