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