windows/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <ctype.h>
  25 #include <errno.h>
  26 #include <limits.h>
  27 #include <stdlib.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "wingdi.h"
  35 #include "winuser.h"
  36 #include "winnls.h"
  37 #include "wine/winuser16.h"
  38 #include "wine/unicode.h"
  39 #include "controls.h"
  40 #include "win.h"
  41 #include "user.h"
  42 #include "wine/debug.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(dialog);
  45
  46
  47   /* Dialog control information */
  48 typedef struct
  49 {
  50     DWORD      style;
  51     DWORD      exStyle;
  52     DWORD      helpId;
  53     INT16      x;
  54     INT16      y;
  55     INT16      cx;
  56     INT16      cy;
  57     UINT       id;
  58     LPCWSTR    className;
  59     LPCWSTR    windowName;
  60     LPCVOID    data;
  61 } DLG_CONTROL_INFO;
  62
  63   /* Dialog template */
  64 typedef struct
  65 {
  66     DWORD      style;
  67     DWORD      exStyle;
  68     DWORD      helpId;
  69     UINT16     nbItems;
  70     INT16      x;
  71     INT16      y;
  72     INT16      cx;
  73     INT16      cy;
  74     LPCWSTR    menuName;
  75     LPCWSTR    className;
  76     LPCWSTR    caption;
  77     INT16      pointSize;
  78     WORD       weight;
  79     BOOL       italic;
  80     LPCWSTR    faceName;
  81     BOOL       dialogEx;
  82 } DLG_TEMPLATE;
  83
  84   /* Radio button group */
  85 typedef struct
  86 {
  87     UINT firstID;
  88     UINT lastID;
  89     UINT checkID;
  90 } RADIOGROUP;
  91
  92
  93 /*********************************************************************
  94  * dialog class descriptor
  95  */
  96 const struct builtin_class_descr DIALOG_builtin_class =
  97 {
  98     DIALOG_CLASS_ATOMA,  /* name */
  99     CS_SAVEBITS | CS_DBLCLKS, /* style  */
 100     DefDlgProcA,        /* procA */
 101     DefDlgProcW,        /* procW */
 102     DLGWINDOWEXTRA,     /* extra */
 103     IDC_ARROW,          /* cursor */
 104     0                   /* brush */
 105 };
 106
 107
 108 /***********************************************************************
 109  *           DIALOG_EnableOwner
 110  *
 111  * Helper function for modal dialogs to enable again the
 112  * owner of the dialog box.
 113  */
 114 void DIALOG_EnableOwner( HWND hOwner )
 115 {
 116     /* Owner must be a top-level window */
 117     if (hOwner)
 118         hOwner = GetAncestor( hOwner, GA_ROOT );
 119     if (!hOwner) return;
 120     EnableWindow( hOwner, TRUE );
 121 }
 122
 123
 124 /***********************************************************************
 125  *           DIALOG_DisableOwner
 126  *
 127  * Helper function for modal dialogs to disable the
 128  * owner of the dialog box. Returns TRUE if owner was enabled.
 129  */
 130 BOOL DIALOG_DisableOwner( HWND hOwner )
 131 {
 132     /* Owner must be a top-level window */
 133     if (hOwner)
 134         hOwner = GetAncestor( hOwner, GA_ROOT );
 135     if (!hOwner) return FALSE;
 136     if (IsWindowEnabled( hOwner ))
 137     {
 138         EnableWindow( hOwner, FALSE );
 139         return TRUE;
 140     }
 141     else
 142         return FALSE;
 143 }
 144
 145 /***********************************************************************
 146  *           DIALOG_GetCharSize
 147  *
 148  * Despite most of MSDN insisting that the horizontal base unit is
 149  * tmAveCharWidth it isn't.  Knowledge base article Q145994
 150  * "HOWTO: Calculate Dialog Units When Not Using the System Font",
 151  * says that we should take the average of the 52 English upper and lower
 152  * case characters.
 153  */
 154 BOOL DIALOG_GetCharSize( HDC hDC, HFONT hFont, SIZE * pSize )
 155 {
 156     HFONT hFontPrev = 0;
 157     const char *alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
 158     SIZE sz;
 159     TEXTMETRICA tm;
 160
 161     if(!hDC) return FALSE;
 162
 163     if(hFont) hFontPrev = SelectObject(hDC, hFont);
 164     if(!GetTextMetricsA(hDC, &tm)) return FALSE;
 165     if(!GetTextExtentPointA(hDC, alphabet, 52, &sz)) return FALSE;
 166
 167     pSize->cy = tm.tmHeight;
 168     pSize->cx = (sz.cx / 26 + 1) / 2;
 169
 170     if (hFontPrev) SelectObject(hDC, hFontPrev);
 171
 172     TRACE("dlg base units: %ld x %ld\n", pSize->cx, pSize->cy);
 173     return TRUE;
 174 }
 175
 176
 177 /***********************************************************************
 178  *           DIALOG_GetControl32
 179  *
 180  * Return the class and text of the control pointed to by ptr,
 181  * fill the header structure and return a pointer to the next control.
 182  */
 183 static const WORD *DIALOG_GetControl32( const WORD *p, DLG_CONTROL_INFO *info,
 184                                         BOOL dialogEx )
 185 {
 186     if (dialogEx)
 187     {
 188         info->helpId  = GET_DWORD(p); p += 2;
 189         info->exStyle = GET_DWORD(p); p += 2;
 190         info->style   = GET_DWORD(p); p += 2;
 191     }
 192     else
 193     {
 194         info->helpId  = 0;
 195         info->style   = GET_DWORD(p); p += 2;
 196         info->exStyle = GET_DWORD(p); p += 2;
 197     }
 198     info->x       = GET_WORD(p); p++;
 199     info->y       = GET_WORD(p); p++;
 200     info->cx      = GET_WORD(p); p++;
 201     info->cy      = GET_WORD(p); p++;
 202
 203     if (dialogEx)
 204     {
 205         /* id is a DWORD for DIALOGEX */
 206         info->id = GET_DWORD(p);
 207         p += 2;
 208     }
 209     else
 210     {
 211         info->id = GET_WORD(p);
 212         p++;
 213     }
 214
 215     if (GET_WORD(p) == 0xffff)
 216     {
 217         static const WCHAR class_names[6][10] =
 218         {
 219             { 'B','u','t','t','o','n', },             /* 0x80 */
 220             { 'E','d','i','t', },                     /* 0x81 */
 221             { 'S','t','a','t','i','c', },             /* 0x82 */
 222             { 'L','i','s','t','B','o','x', },         /* 0x83 */
 223             { 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
 224             { 'C','o','m','b','o','B','o','x', }      /* 0x85 */
 225         };
 226         WORD id = GET_WORD(p+1);
 227         /* Windows treats dialog control class ids 0-5 same way as 0x80-0x85 */
 228         if ((id >= 0x80) && (id <= 0x85)) id -= 0x80;
 229         if (id <= 5)
 230             info->className = class_names[id];
 231         else
 232         {
 233             info->className = NULL;
 234             ERR("Unknown built-in class id %04x\n", id );
 235         }
 236         p += 2;
 237     }
 238     else
 239     {
 240         info->className = (LPCWSTR)p;
 241         p += strlenW( info->className ) + 1;
 242     }
 243
 244     if (GET_WORD(p) == 0xffff)  /* Is it an integer id? */
 245     {
 246         info->windowName = (LPCWSTR)(UINT)GET_WORD(p + 1);
 247         p += 2;
 248     }
 249     else
 250     {
 251         info->windowName = (LPCWSTR)p;
 252         p += strlenW( info->windowName ) + 1;
 253     }
 254
 255     TRACE("    %s %s %d, %d, %d, %d, %d, %08lx, %08lx, %08lx\n",
 256           debugstr_w( info->className ), debugstr_w( info->windowName ),
 257           info->id, info->x, info->y, info->cx, info->cy,
 258           info->style, info->exStyle, info->helpId );
 259
 260     if (GET_WORD(p))
 261     {
 262         if (TRACE_ON(dialog))
 263         {
 264             WORD i, count = GET_WORD(p) / sizeof(WORD);
 265             TRACE("  BEGIN\n");
 266             TRACE("    ");
 267             for (i = 0; i < count; i++) TRACE( "%04x,", GET_WORD(p+i+1) );
 268             TRACE("\n");
 269             TRACE("  END\n" );
 270         }
 271         info->data = p + 1;
 272         p += GET_WORD(p) / sizeof(WORD);
 273     }
 274     else info->data = NULL;
 275     p++;
 276
 277     /* Next control is on dword boundary */
 278     return (const WORD *)((((int)p) + 3) & ~3);
 279 }
 280
 281
 282 /***********************************************************************
 283  *           DIALOG_CreateControls32
 284  *
 285  * Create the control windows for a dialog.
 286  */
 287 static BOOL DIALOG_CreateControls32( HWND hwnd, LPCSTR template, const DLG_TEMPLATE *dlgTemplate,
 288                                      HINSTANCE hInst, BOOL unicode )
 289 {
 290     DIALOGINFO *dlgInfo = DIALOG_get_info( hwnd );
 291     DLG_CONTROL_INFO info;
 292     HWND hwndCtrl, hwndDefButton = 0;
 293     INT items = dlgTemplate->nbItems;
 294
 295     TRACE(" BEGIN\n" );
 296     while (items--)
 297     {
 298         template = (LPCSTR)DIALOG_GetControl32( (WORD *)template, &info,
 299                                                 dlgTemplate->dialogEx );
 300         /* Is this it? */
 301         if (info.style & WS_BORDER)
 302         {
 303             info.style &= ~WS_BORDER;
 304             info.exStyle |= WS_EX_CLIENTEDGE;
 305         }
 306         if (unicode)
 307         {
 308             hwndCtrl = CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
 309                                         info.className, info.windowName,
 310                                         info.style | WS_CHILD,
 311                                         MulDiv(info.x, dlgInfo->xBaseUnit, 4),
 312                                         MulDiv(info.y, dlgInfo->yBaseUnit, 8),
 313                                         MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
 314                                         MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
 315                                         hwnd, (HMENU)info.id,
 316                                         hInst, (LPVOID)info.data );
 317         }
 318         else
 319         {
 320             LPSTR class = (LPSTR)info.className;
 321             LPSTR caption = (LPSTR)info.windowName;
 322
 323             if (HIWORD(class))
 324             {
 325                 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.className, -1, NULL, 0, NULL, NULL );
 326                 class = HeapAlloc( GetProcessHeap(), 0, len );
 327                 WideCharToMultiByte( CP_ACP, 0, info.className, -1, class, len, NULL, NULL );
 328             }
 329             if (HIWORD(caption))
 330             {
 331                 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, NULL, 0, NULL, NULL );
 332                 caption = HeapAlloc( GetProcessHeap(), 0, len );
 333                 WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, caption, len, NULL, NULL );
 334             }
 335             hwndCtrl = CreateWindowExA( info.exStyle | WS_EX_NOPARENTNOTIFY,
 336                                         class, caption, info.style | WS_CHILD,
 337                                         MulDiv(info.x, dlgInfo->xBaseUnit, 4),
 338                                         MulDiv(info.y, dlgInfo->yBaseUnit, 8),
 339                                         MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
 340                                         MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
 341                                         hwnd, (HMENU)info.id,
 342                                         hInst, (LPVOID)info.data );
 343             if (HIWORD(class)) HeapFree( GetProcessHeap(), 0, class );
 344             if (HIWORD(caption)) HeapFree( GetProcessHeap(), 0, caption );
 345         }
 346         if (!hwndCtrl)
 347         {
 348             if (dlgTemplate->style & DS_NOFAILCREATE) continue;
 349             return FALSE;
 350         }
 351
 352             /* Send initialisation messages to the control */
 353         if (dlgInfo->hUserFont) SendMessageA( hwndCtrl, WM_SETFONT,
 354                                              (WPARAM)dlgInfo->hUserFont, 0 );
 355         if (SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
 356         {
 357               /* If there's already a default push-button, set it back */
 358               /* to normal and use this one instead. */
 359             if (hwndDefButton)
 360                 SendMessageA( hwndDefButton, BM_SETSTYLE, BS_PUSHBUTTON, FALSE );
 361             hwndDefButton = hwndCtrl;
 362             dlgInfo->idResult = GetWindowLongA( hwndCtrl, GWL_ID );
 363         }
 364     }
 365     TRACE(" END\n" );
 366     return TRUE;
 367 }
 368
 369
 370 /***********************************************************************
 371  *           DIALOG_ParseTemplate32
 372  *
 373  * Fill a DLG_TEMPLATE structure from the dialog template, and return
 374  * a pointer to the first control.
 375  */
 376 static LPCSTR DIALOG_ParseTemplate32( LPCSTR template, DLG_TEMPLATE * result )
 377 {
 378     const WORD *p = (const WORD *)template;
 379
 380     result->style = GET_DWORD(p); p += 2;
 381     if (result->style == 0xffff0001)  /* DIALOGEX resource */
 382     {
 383         result->dialogEx = TRUE;
 384         result->helpId   = GET_DWORD(p); p += 2;
 385         result->exStyle  = GET_DWORD(p); p += 2;
 386         result->style    = GET_DWORD(p); p += 2;
 387     }
 388     else
 389     {
 390         result->dialogEx = FALSE;
 391         result->helpId   = 0;
 392         result->exStyle  = GET_DWORD(p); p += 2;
 393     }
 394     result->nbItems = GET_WORD(p); p++;
 395     result->x       = GET_WORD(p); p++;
 396     result->y       = GET_WORD(p); p++;
 397     result->cx      = GET_WORD(p); p++;
 398     result->cy      = GET_WORD(p); p++;
 399     TRACE("DIALOG%s %d, %d, %d, %d, %ld\n",
 400            result->dialogEx ? "EX" : "", result->x, result->y,
 401            result->cx, result->cy, result->helpId );
 402     TRACE(" STYLE 0x%08lx\n", result->style );
 403     TRACE(" EXSTYLE 0x%08lx\n", result->exStyle );
 404
 405     /* Get the menu name */
 406
 407     switch(GET_WORD(p))
 408     {
 409     case 0x0000:
 410         result->menuName = NULL;
 411         p++;
 412         break;
 413     case 0xffff:
 414         result->menuName = (LPCWSTR)(UINT)GET_WORD( p + 1 );
 415         p += 2;
 416         TRACE(" MENU %04x\n", LOWORD(result->menuName) );
 417         break;
 418     default:
 419         result->menuName = (LPCWSTR)p;
 420         TRACE(" MENU %s\n", debugstr_w(result->menuName) );
 421         p += strlenW( result->menuName ) + 1;
 422         break;
 423     }
 424
 425     /* Get the class name */
 426
 427     switch(GET_WORD(p))
 428     {
 429     case 0x0000:
 430         result->className = DIALOG_CLASS_ATOMW;
 431         p++;
 432         break;
 433     case 0xffff:
 434         result->className = (LPCWSTR)(UINT)GET_WORD( p + 1 );
 435         p += 2;
 436         TRACE(" CLASS %04x\n", LOWORD(result->className) );
 437         break;
 438     default:
 439         result->className = (LPCWSTR)p;
 440         TRACE(" CLASS %s\n", debugstr_w( result->className ));
 441         p += strlenW( result->className ) + 1;
 442         break;
 443     }
 444
 445     /* Get the window caption */
 446
 447     result->caption = (LPCWSTR)p;
 448     p += strlenW( result->caption ) + 1;
 449     TRACE(" CAPTION %s\n", debugstr_w( result->caption ) );
 450
 451     /* Get the font name */
 452
 453     if (result->style & DS_SETFONT)
 454     {
 455         result->pointSize = GET_WORD(p);
 456         p++;
 457         if (result->dialogEx)
 458         {
 459             result->weight = GET_WORD(p); p++;
 460             result->italic = LOBYTE(GET_WORD(p)); p++;
 461         }
 462         else
 463         {
 464             result->weight = FW_DONTCARE;
 465             result->italic = FALSE;
 466         }
 467         result->faceName = (LPCWSTR)p;
 468         p += strlenW( result->faceName ) + 1;
 469         TRACE(" FONT %d, %s, %d, %s\n",
 470               result->pointSize, debugstr_w( result->faceName ),
 471               result->weight, result->italic ? "TRUE" : "FALSE" );
 472     }
 473
 474     /* First control is on dword boundary */
 475     return (LPCSTR)((((int)p) + 3) & ~3);
 476 }
 477
 478
 479 /***********************************************************************
 480  *           DIALOG_CreateIndirect
 481  *       Creates a dialog box window
 482  *
 483  *       modal = TRUE if we are called from a modal dialog box.
 484  *       (it's more compatible to do it here, as under Windows the owner
 485  *       is never disabled if the dialog fails because of an invalid template)
 486  */
 487 static HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCVOID dlgTemplate,
 488                                    HWND owner, DLGPROC dlgProc, LPARAM param,
 489                                    BOOL unicode, BOOL modal )
 490 {
 491     HWND hwnd;
 492     RECT rect;
 493     WND * wndPtr;
 494     DLG_TEMPLATE template;
 495     DIALOGINFO * dlgInfo;
 496     DWORD units = GetDialogBaseUnits();
 497     BOOL ownerEnabled = TRUE;
 498
 499       /* Parse dialog template */
 500
 501     if (!dlgTemplate) return 0;
 502     dlgTemplate = DIALOG_ParseTemplate32( dlgTemplate, &template );
 503
 504       /* Initialise dialog extra data */
 505
 506     if (!(dlgInfo = HeapAlloc( GetProcessHeap(), 0, sizeof(*dlgInfo) ))) return 0;
 507     dlgInfo->hwndFocus   = 0;
 508     dlgInfo->hUserFont   = 0;
 509     dlgInfo->hMenu       = 0;
 510     dlgInfo->xBaseUnit   = LOWORD(units);
 511     dlgInfo->yBaseUnit   = HIWORD(units);
 512     dlgInfo->idResult    = 0;
 513     dlgInfo->flags       = 0;
 514     dlgInfo->hDialogHeap = 0;
 515
 516       /* Load menu */
 517
 518     if (template.menuName) dlgInfo->hMenu = LoadMenuW( hInst, template.menuName );
 519
 520       /* Create custom font if needed */
 521
 522     if (template.style & DS_SETFONT)
 523     {
 524           /* We convert the size to pixels and then make it -ve.  This works
 525            * for both +ve and -ve template.pointSize */
 526         HDC dc;
 527         int pixels;
 528         dc = GetDC(0);
 529         pixels = MulDiv(template.pointSize, GetDeviceCaps(dc , LOGPIXELSY), 72);
 530         dlgInfo->hUserFont = CreateFontW( -pixels, 0, 0, 0, template.weight,
 531                                           template.italic, FALSE, FALSE, DEFAULT_CHARSET, 0, 0,
 532                                           PROOF_QUALITY, FF_DONTCARE,
 533                                           template.faceName );
 534         if (dlgInfo->hUserFont)
 535         {
 536             SIZE charSize;
 537             if (DIALOG_GetCharSize( dc, dlgInfo->hUserFont, &charSize ))
 538             {
 539                 dlgInfo->xBaseUnit = charSize.cx;
 540                 dlgInfo->yBaseUnit = charSize.cy;
 541             }
 542         }
 543         ReleaseDC(0, dc);
 544         TRACE("units = %d,%d\n", dlgInfo->xBaseUnit, dlgInfo->yBaseUnit );
 545     }
 546
 547     /* Create dialog main window */
 548
 549     rect.left = rect.top = 0;
 550     rect.right = MulDiv(template.cx, dlgInfo->xBaseUnit, 4);
 551     rect.bottom =  MulDiv(template.cy, dlgInfo->yBaseUnit, 8);
 552     if (template.style & WS_CHILD)
 553         template.style &= ~(WS_CAPTION|WS_SYSMENU);
 554     if (template.style & DS_MODALFRAME)
 555         template.exStyle |= WS_EX_DLGMODALFRAME;
 556     AdjustWindowRectEx( &rect, template.style, (dlgInfo->hMenu != 0), template.exStyle );
 557     rect.right -= rect.left;
 558     rect.bottom -= rect.top;
 559
 560     if (template.x == CW_USEDEFAULT16)
 561     {
 562         rect.left = rect.top = CW_USEDEFAULT;
 563     }
 564     else
 565     {
 566         if (template.style & DS_CENTER)
 567         {
 568             rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
 569             rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
 570         }
 571         else
 572         {
 573             rect.left += MulDiv(template.x, dlgInfo->xBaseUnit, 4);
 574             rect.top += MulDiv(template.y, dlgInfo->yBaseUnit, 8);
 575         }
 576         if ( !(template.style & WS_CHILD) )
 577         {
 578             INT dX, dY;
 579
 580             if( !(template.style & DS_ABSALIGN) )
 581                 ClientToScreen( owner, (POINT *)&rect );
 582
 583             /* try to fit it into the desktop */
 584
 585             if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
 586                  - GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
 587             if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
 588                  - GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
 589             if( rect.left < 0 ) rect.left = 0;
 590             if( rect.top < 0 ) rect.top = 0;
 591         }
 592     }
 593
 594     if (modal)
 595     {
 596         ownerEnabled = DIALOG_DisableOwner( owner );
 597         if (ownerEnabled) dlgInfo->flags |= DF_OWNERENABLED;
 598     }
 599
 600     if (unicode)
 601     {
 602         hwnd = CreateWindowExW(template.exStyle, template.className, template.caption,
 603                                template.style & ~WS_VISIBLE,
 604                                rect.left, rect.top, rect.right, rect.bottom,
 605                                owner, dlgInfo->hMenu, hInst, NULL );
 606     }
 607     else
 608     {
 609         LPSTR class = (LPSTR)template.className;
 610         LPSTR caption = (LPSTR)template.caption;
 611
 612         if (HIWORD(class))
 613         {
 614             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.className, -1, NULL, 0, NULL, NULL );
 615             class = HeapAlloc( GetProcessHeap(), 0, len );
 616             WideCharToMultiByte( CP_ACP, 0, template.className, -1, class, len, NULL, NULL );
 617         }
 618         if (HIWORD(caption))
 619         {
 620             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.caption, -1, NULL, 0, NULL, NULL );
 621             caption = HeapAlloc( GetProcessHeap(), 0, len );
 622             WideCharToMultiByte( CP_ACP, 0, template.caption, -1, caption, len, NULL, NULL );
 623         }
 624         hwnd = CreateWindowExA(template.exStyle, class, caption,
 625                                template.style & ~WS_VISIBLE,
 626                                rect.left, rect.top, rect.right, rect.bottom,
 627                                owner, dlgInfo->hMenu, hInst, NULL );
 628         if (HIWORD(class)) HeapFree( GetProcessHeap(), 0, class );
 629         if (HIWORD(caption)) HeapFree( GetProcessHeap(), 0, caption );
 630     }
 631
 632     if (!hwnd)
 633     {
 634         if (dlgInfo->hUserFont) DeleteObject( dlgInfo->hUserFont );
 635         if (dlgInfo->hMenu) DestroyMenu( dlgInfo->hMenu );
 636         if (modal && (dlgInfo->flags & DF_OWNERENABLED)) DIALOG_EnableOwner(owner);
 637         HeapFree( GetProcessHeap(), 0, dlgInfo );
 638         return 0;
 639     }
 640     wndPtr = WIN_GetPtr( hwnd );
 641     wndPtr->flags |= WIN_ISDIALOG;
 642     WIN_ReleasePtr( wndPtr );
 643
 644     if (template.helpId) SetWindowContextHelpId( hwnd, template.helpId );
 645     SetWindowLongW( hwnd, DWL_WINE_DIALOGINFO, (LONG)dlgInfo );
 646
 647     if (unicode) SetWindowLongW( hwnd, DWL_DLGPROC, (LONG)dlgProc );
 648     else SetWindowLongA( hwnd, DWL_DLGPROC, (LONG)dlgProc );
 649
 650     if (dlgInfo->hUserFont)
 651         SendMessageA( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
 652
 653     /* Create controls */
 654
 655     if (DIALOG_CreateControls32( hwnd, dlgTemplate, &template, hInst, unicode ))
 656     {
 657         HWND hwndPreInitFocus;
 658
 659         /* Send initialisation messages and set focus */
 660
 661         dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
 662
 663         hwndPreInitFocus = GetFocus();
 664         if (SendMessageA( hwnd, WM_INITDIALOG, (WPARAM)dlgInfo->hwndFocus, param ))
 665         {
 666             /* check where the focus is again,
 667              * some controls status might have changed in WM_INITDIALOG */
 668             dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
 669             if( dlgInfo->hwndFocus )
 670                 SetFocus( dlgInfo->hwndFocus );
 671         }
 672         else
 673         {
 674             /* If the dlgproc has returned FALSE (indicating handling of keyboard focus)
 675                but the focus has not changed, set the focus where we expect it. */
 676             if ((GetFocus() == hwndPreInitFocus) &&
 677                 (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
 678             {
 679                 dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
 680                 if( dlgInfo->hwndFocus )
 681                     SetFocus( dlgInfo->hwndFocus );
 682             }
 683         }
 684
 685         if (template.style & WS_VISIBLE && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
 686         {
 687            ShowWindow( hwnd, SW_SHOWNORMAL );   /* SW_SHOW doesn't always work */
 688         }
 689         return hwnd;
 690     }
 691     if (modal && ownerEnabled) DIALOG_EnableOwner(owner);
 692     if( IsWindow(hwnd) ) DestroyWindow( hwnd );
 693     return 0;
 694 }
 695
 696
 697 /***********************************************************************
 698  *              CreateDialogParamA (USER32.@)
 699  */
 700 HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name, HWND owner,
 701                                 DLGPROC dlgProc, LPARAM param )
 702 {
 703     HRSRC hrsrc;
 704     LPCDLGTEMPLATEA ptr;
 705
 706     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
 707     if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return 0;
 708     return CreateDialogIndirectParamA( hInst, ptr, owner, dlgProc, param );
 709 }
 710
 711
 712 /***********************************************************************
 713  *              CreateDialogParamW (USER32.@)
 714  */
 715 HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name, HWND owner,
 716                                 DLGPROC dlgProc, LPARAM param )
 717 {
 718     HRSRC hrsrc;
 719     LPCDLGTEMPLATEA ptr;
 720
 721     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
 722     if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return 0;
 723     return CreateDialogIndirectParamW( hInst, ptr, owner, dlgProc, param );
 724 }
 725
 726
 727 /***********************************************************************
 728  *              CreateDialogIndirectParamAorW (USER32.@)
 729  */
 730 HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst, LPCVOID dlgTemplate,
 731                                            HWND owner, DLGPROC dlgProc, LPARAM param,
 732                                            DWORD flags )
 733 {
 734     return DIALOG_CreateIndirect( hInst, dlgTemplate, owner, dlgProc, param, !flags, FALSE );
 735 }
 736
 737 /***********************************************************************
 738  *              CreateDialogIndirectParamA (USER32.@)
 739  */
 740 HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst, LPCDLGTEMPLATEA dlgTemplate,
 741                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 742 {
 743     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 2 );
 744 }
 745
 746 /***********************************************************************
 747  *              CreateDialogIndirectParamW (USER32.@)
 748  */
 749 HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst, LPCDLGTEMPLATEW dlgTemplate,
 750                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 751 {
 752     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 0 );
 753 }
 754
 755
 756 /***********************************************************************
 757  *           DIALOG_DoDialogBox
 758  */
 759 INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
 760 {
 761     DIALOGINFO * dlgInfo;
 762     MSG msg;
 763     INT retval;
 764     HWND ownerMsg = GetAncestor( owner, GA_ROOT );
 765
 766     if (!(dlgInfo = DIALOG_get_info( hwnd ))) return -1;
 767
 768     if (!(dlgInfo->flags & DF_END)) /* was EndDialog called in WM_INITDIALOG ? */
 769     {
 770         ShowWindow( hwnd, SW_SHOW );
 771         for (;;)
 772         {
 773             if (!(GetWindowLongW( hwnd, GWL_STYLE ) & DS_NOIDLEMSG))
 774             {
 775                 if (!PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
 776                 {
 777                     /* No message present -> send ENTERIDLE and wait */
 778                     SendMessageW( ownerMsg, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)hwnd );
 779                     if (!GetMessageW( &msg, 0, 0, 0 )) break;
 780                 }
 781             }
 782             else if (!GetMessageW( &msg, 0, 0, 0 )) break;
 783
 784             if (!IsWindow( hwnd )) return -1;
 785             if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
 786             {
 787                 TranslateMessage( &msg );
 788                 DispatchMessageW( &msg );
 789             }
 790             if (dlgInfo->flags & DF_END) break;
 791         }
 792     }
 793     if (dlgInfo->flags & DF_OWNERENABLED) DIALOG_EnableOwner( owner );
 794     retval = dlgInfo->idResult;
 795     DestroyWindow( hwnd );
 796     return retval;
 797 }
 798
 799
 800 /***********************************************************************
 801  *              DialogBoxParamA (USER32.@)
 802  */
 803 INT_PTR WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
 804                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 805 {
 806     HWND hwnd;
 807     HRSRC hrsrc;
 808     LPCDLGTEMPLATEA ptr;
 809
 810     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
 811     if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return 0;
 812     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, FALSE, TRUE );
 813     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 814     return -1;
 815 }
 816
 817
 818 /***********************************************************************
 819  *              DialogBoxParamW (USER32.@)
 820  */
 821 INT_PTR WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
 822                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 823 {
 824     HWND hwnd;
 825     HRSRC hrsrc;
 826     LPCDLGTEMPLATEW ptr;
 827
 828     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
 829     if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return 0;
 830     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, TRUE, TRUE );
 831     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 832     return -1;
 833 }
 834
 835
 836 /***********************************************************************
 837  *              DialogBoxIndirectParamAorW (USER32.@)
 838  */
 839 INT_PTR WINAPI DialogBoxIndirectParamAorW( HINSTANCE hInstance, LPCVOID template,
 840                                            HWND owner, DLGPROC dlgProc,
 841                                            LPARAM param, DWORD flags )
 842 {
 843     HWND hwnd = DIALOG_CreateIndirect( hInstance, template, owner, dlgProc, param, !flags, TRUE );
 844     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 845     return -1;
 846 }
 847
 848 /***********************************************************************
 849  *              DialogBoxIndirectParamA (USER32.@)
 850  */
 851 INT_PTR WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCDLGTEMPLATEA template,
 852                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 853 {
 854     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 2 );
 855 }
 856
 857
 858 /***********************************************************************
 859  *              DialogBoxIndirectParamW (USER32.@)
 860  */
 861 INT_PTR WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCDLGTEMPLATEW template,
 862                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 863 {
 864     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 0 );
 865 }
 866
 867 /***********************************************************************
 868  *              EndDialog (USER32.@)
 869  */
 870 BOOL WINAPI EndDialog( HWND hwnd, INT_PTR retval )
 871 {
 872     BOOL wasEnabled = TRUE;
 873     DIALOGINFO * dlgInfo;
 874     HWND owner;
 875
 876     TRACE("%p %d\n", hwnd, retval );
 877
 878     if (!(dlgInfo = DIALOG_get_info( hwnd )))
 879     {
 880         ERR("got invalid window handle (%p); buggy app !?\n", hwnd);
 881         return FALSE;
 882     }
 883     dlgInfo->idResult = retval;
 884     dlgInfo->flags |= DF_END;
 885     wasEnabled = (dlgInfo->flags & DF_OWNERENABLED);
 886
 887     if (wasEnabled && (owner = GetWindow( hwnd, GW_OWNER )))
 888         DIALOG_EnableOwner( owner );
 889
 890     /* Windows sets the focus to the dialog itself in EndDialog */
 891
 892     if (IsChild(hwnd, GetFocus()))
 893        SetFocus( hwnd );
 894
 895     /* Don't have to send a ShowWindow(SW_HIDE), just do
 896        SetWindowPos with SWP_HIDEWINDOW as done in Windows */
 897
 898     SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
 899                  | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
 900
 901     /* unblock dialog loop */
 902     PostMessageA(hwnd, WM_NULL, 0, 0);
 903     return TRUE;
 904 }
 905
 906
 907 /***********************************************************************
 908  *           DIALOG_IsAccelerator
 909  */
 910 static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
 911 {
 912     HWND hwndControl = hwnd;
 913     HWND hwndNext;
 914     INT dlgCode;
 915     WCHAR buffer[128];
 916
 917     do
 918     {
 919         DWORD style = GetWindowLongW( hwndControl, GWL_STYLE );
 920         if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
 921         {
 922             dlgCode = SendMessageA( hwndControl, WM_GETDLGCODE, 0, 0 );
 923             if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
 924                  GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
 925             {
 926                 /* find the accelerator key */
 927                 LPWSTR p = buffer - 2;
 928
 929                 do
 930                 {
 931                     p = strchrW( p + 2, '&' );
 932                 }
 933                 while (p != NULL && p[1] == '&');
 934
 935                 /* and check if it's the one we're looking for */
 936                 if (p != NULL && toupperW( p[1] ) == toupperW( wParam ) )
 937                 {
 938                     if ((dlgCode & DLGC_STATIC) || (style & 0x0f) == BS_GROUPBOX )
 939                     {
 940                         /* set focus to the control */
 941                         SendMessageA( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndControl, 1);
 942                         /* and bump it on to next */
 943                         SendMessageA( hwndDlg, WM_NEXTDLGCTL, 0, 0);
 944                     }
 945                     else if (dlgCode & DLGC_BUTTON)
 946                     {
 947                         /* send BM_CLICK message to the control */
 948                         SendMessageA( hwndControl, BM_CLICK, 0, 0 );
 949                     }
 950                     return TRUE;
 951                 }
 952             }
 953             hwndNext = GetWindow( hwndControl, GW_CHILD );
 954         }
 955         else hwndNext = 0;
 956
 957         if (!hwndNext) hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
 958
 959         while (!hwndNext && hwndControl)
 960         {
 961             hwndControl = GetParent( hwndControl );
 962             if (hwndControl == hwndDlg)
 963             {
 964                 if(hwnd==hwndDlg)   /* prevent endless loop */
 965                 {
 966                     hwndNext=hwnd;
 967                     break;
 968                 }
 969                 hwndNext = GetWindow( hwndDlg, GW_CHILD );
 970             }
 971             else
 972                 hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
 973         }
 974         hwndControl = hwndNext;
 975     }
 976     while (hwndControl && (hwndControl != hwnd));
 977
 978     return FALSE;
 979 }
 980
 981 /***********************************************************************
 982  *           DIALOG_FindMsgDestination
 983  *
 984  * The messages that IsDialogMessage sends may not go to the dialog
 985  * calling IsDialogMessage if that dialog is a child, and it has the
 986  * DS_CONTROL style set.
 987  * We propagate up until we hit one that does not have DS_CONTROL, or
 988  * whose parent is not a dialog.
 989  *
 990  * This is undocumented behaviour.
 991  */
 992 static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
 993 {
 994     while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
 995     {
 996         WND *pParent;
 997         HWND hParent = GetParent(hwndDlg);
 998         if (!hParent) break;
 999
1000         pParent = WIN_FindWndPtr(hParent);
1001         if (!pParent) break;
1002
1003         if (!(pParent->flags & WIN_ISDIALOG))
1004         {
1005             WIN_ReleaseWndPtr(pParent);
1006             break;
1007         }
1008         WIN_ReleaseWndPtr(pParent);
1009
1010         hwndDlg = hParent;
1011     }
1012
1013     return hwndDlg;
1014 }
1015
1016 /***********************************************************************
1017  *              DIALOG_FixOneChildOnChangeFocus
1018  *
1019  * Callback helper for DIALOG_FixChildrenOnChangeFocus
1020  */
1021
1022 static BOOL CALLBACK DIALOG_FixOneChildOnChangeFocus (HWND hwndChild,
1023         LPARAM lParam)
1024 {
1025     /* If a default pushbutton then no longer default */
1026     if (DLGC_DEFPUSHBUTTON & SendMessageW (hwndChild, WM_GETDLGCODE, 0, 0))
1027         SendMessageW (hwndChild, BM_SETSTYLE, BS_PUSHBUTTON, TRUE);
1028     return TRUE;
1029 }
1030
1031 /***********************************************************************
1032  *              DIALOG_FixChildrenOnChangeFocus
1033  *
1034  * Following the change of focus that occurs for example after handling
1035  * a WM_KEYDOWN VK_TAB in IsDialogMessage, some tidying of the dialog's
1036  * children may be required.
1037  */
1038 static void DIALOG_FixChildrenOnChangeFocus (HWND hwndDlg, HWND hwndNext)
1039 {
1040     INT dlgcode_next = SendMessageW (hwndNext, WM_GETDLGCODE, 0, 0);
1041     /* INT dlgcode_dlg  = SendMessageW (hwndDlg, WM_GETDLGCODE, 0, 0); */
1042     /* Windows does ask for this.  I don't know why yet */
1043
1044     EnumChildWindows (hwndDlg, DIALOG_FixOneChildOnChangeFocus, 0);
1045
1046     /* If the button that is getting the focus WAS flagged as the default
1047      * pushbutton then ask the dialog what it thinks the default is and
1048      * set that in the default style.
1049      */
1050     if (dlgcode_next & DLGC_DEFPUSHBUTTON)
1051     {
1052         DWORD def_id = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0);
1053         if (HIWORD(def_id) == DC_HASDEFID)
1054         {
1055             HWND hwndDef;
1056             def_id = LOWORD(def_id);
1057             hwndDef = GetDlgItem (hwndDlg, def_id);
1058             if (hwndDef)
1059             {
1060                 INT dlgcode_def = SendMessageW (hwndDef, WM_GETDLGCODE, 0, 0);
1061                 /* I know that if it is a button then it should already be a
1062                  * UNDEFPUSHBUTTON, since we have just told the buttons to
1063                  * change style.  But maybe they ignored our request
1064                  */
1065                 if ((dlgcode_def & DLGC_BUTTON) &&
1066                         (dlgcode_def &  DLGC_UNDEFPUSHBUTTON))
1067                 {
1068                     SendMessageW (hwndDef, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1069                 }
1070             }
1071         }
1072     }
1073     else
1074     {
1075         SendMessageW (hwndNext, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1076         /* I wonder why it doesn't send a DM_SETDEFID */
1077     }
1078 }
1079
1080 /***********************************************************************
1081  *              IsDialogMessageW (USER32.@)
1082  */
1083 BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
1084 {
1085     INT dlgCode = 0;
1086
1087     if (CallMsgFilterW( msg, MSGF_DIALOGBOX )) return TRUE;
1088
1089     hwndDlg = WIN_GetFullHandle( hwndDlg );
1090     if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
1091
1092     hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
1093
1094     switch(msg->message)
1095     {
1096     case WM_KEYDOWN:
1097         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1098         if (dlgCode & DLGC_WANTMESSAGE) break;
1099
1100         switch(msg->wParam)
1101         {
1102         case VK_TAB:
1103             if (!(dlgCode & DLGC_WANTTAB))
1104             {
1105                 BOOL fIsDialog = TRUE;
1106                 WND *pWnd = WIN_GetPtr( hwndDlg );
1107
1108                 if (pWnd && pWnd != WND_OTHER_PROCESS)
1109                 {
1110                     fIsDialog = (pWnd->flags & WIN_ISDIALOG) != 0;
1111                     WIN_ReleasePtr(pWnd);
1112                 }
1113
1114                 /* I am not sure under which circumstances the TAB is handled
1115                  * each way.  All I do know is that it does not always simply
1116                  * send WM_NEXTDLGCTL.  (Personally I have never yet seen it
1117                  * do so but I presume someone has)
1118                  */
1119                 if (fIsDialog)
1120                     SendMessageW( hwndDlg, WM_NEXTDLGCTL, (GetKeyState(VK_SHIFT) & 0x8000), 0 );
1121                 else
1122                 {
1123                     /* It would appear that GetNextDlgTabItem can handle being
1124                      * passed hwndDlg rather than NULL but that is undocumented
1125                      * so let's do it properly
1126                      */
1127                     HWND hwndFocus = GetFocus();
1128                     HWND hwndNext = GetNextDlgTabItem (hwndDlg,
1129                             hwndFocus == hwndDlg ? NULL : hwndFocus,
1130                             GetKeyState (VK_SHIFT) & 0x8000);
1131                     if (hwndNext)
1132                     {
1133                         dlgCode = SendMessageW (hwndNext, WM_GETDLGCODE,
1134                                 msg->wParam, (LPARAM)msg);
1135                         if (dlgCode & DLGC_HASSETSEL)
1136                         {
1137                             INT maxlen = 1 + SendMessageW (hwndNext, WM_GETTEXTLENGTH, 0, 0);
1138                             WCHAR *buffer = HeapAlloc (GetProcessHeap(), 0, maxlen * sizeof(WCHAR));
1139                             if (buffer)
1140                             {
1141                                 INT length;
1142                                 SendMessageW (hwndNext, WM_GETTEXT, maxlen, (LPARAM) buffer);
1143                                 length = strlenW (buffer);
1144                                 HeapFree (GetProcessHeap(), 0, buffer);
1145                                 SendMessageW (hwndNext, EM_SETSEL, 0, length);
1146                             }
1147                         }
1148                         SetFocus (hwndNext);
1149                         DIALOG_FixChildrenOnChangeFocus (hwndDlg, hwndNext);
1150                     }
1151                     else
1152                         return FALSE;
1153                 }
1154                 return TRUE;
1155             }
1156             break;
1157
1158         case VK_RIGHT:
1159         case VK_DOWN:
1160         case VK_LEFT:
1161         case VK_UP:
1162             if (!(dlgCode & DLGC_WANTARROWS))
1163             {
1164                 BOOL fPrevious = (msg->wParam == VK_LEFT || msg->wParam == VK_UP);
1165                 HWND hwndNext = GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
1166                 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndNext, 1 );
1167                 return TRUE;
1168             }
1169             break;
1170
1171         case VK_CANCEL:
1172         case VK_ESCAPE:
1173             SendMessageW( hwndDlg, WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
1174             return TRUE;
1175
1176         case VK_EXECUTE:
1177         case VK_RETURN:
1178             {
1179                 DWORD dw;
1180                 if ((GetFocus() == msg->hwnd) &&
1181                     (SendMessageW (msg->hwnd, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
1182                 {
1183                     SendMessageW (hwndDlg, WM_COMMAND, MAKEWPARAM (GetDlgCtrlID(msg->hwnd),BN_CLICKED), (LPARAM)msg->hwnd);
1184                 }
1185                 else if (DC_HASDEFID == HIWORD(dw = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0)))
1186                 {
1187                     SendMessageW( hwndDlg, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
1188                                     (LPARAM)GetDlgItem(hwndDlg, LOWORD(dw)));
1189                 }
1190                 else
1191                 {
1192                     SendMessageW( hwndDlg, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
1193
1194                 }
1195             }
1196             return TRUE;
1197         }
1198         break;
1199
1200     case WM_CHAR:
1201         /* FIXME Under what circumstances does WM_GETDLGCODE get sent?
1202          * It does NOT get sent in the test program I have
1203          */
1204         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1205         if (dlgCode & (DLGC_WANTCHARS|DLGC_WANTMESSAGE)) break;
1206         if (msg->wParam == '\t' && (dlgCode & DLGC_WANTTAB)) break;
1207         /* drop through */
1208
1209     case WM_SYSCHAR:
1210         if (DIALOG_IsAccelerator( WIN_GetFullHandle(msg->hwnd), hwndDlg, msg->wParam ))
1211         {
1212             /* don't translate or dispatch */
1213             return TRUE;
1214         }
1215         break;
1216     }
1217
1218     TranslateMessage( msg );
1219     DispatchMessageW( msg );
1220     return TRUE;
1221 }
1222
1223
1224 /***********************************************************************
1225  *              GetDlgCtrlID (USER32.@)
1226  */
1227 INT WINAPI GetDlgCtrlID( HWND hwnd )
1228 {
1229     return GetWindowLongW( hwnd, GWL_ID );
1230 }
1231
1232
1233 /***********************************************************************
1234  *              GetDlgItem (USER32.@)
1235  */
1236 HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
1237 {
1238     int i;
1239     HWND *list = WIN_ListChildren( hwndDlg );
1240     HWND ret = 0;
1241
1242     if (!list) return 0;
1243
1244     for (i = 0; list[i]; i++) if (GetWindowLongW( list[i], GWL_ID ) == id) break;
1245     ret = list[i];
1246     HeapFree( GetProcessHeap(), 0, list );
1247     return ret;
1248 }
1249
1250
1251 /*******************************************************************
1252  *              SendDlgItemMessageA (USER32.@)
1253  */
1254 LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
1255                                       WPARAM wParam, LPARAM lParam )
1256 {
1257     HWND hwndCtrl = GetDlgItem( hwnd, id );
1258     if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
1259     else return 0;
1260 }
1261
1262
1263 /*******************************************************************
1264  *              SendDlgItemMessageW (USER32.@)
1265  */
1266 LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
1267                                       WPARAM wParam, LPARAM lParam )
1268 {
1269     HWND hwndCtrl = GetDlgItem( hwnd, id );
1270     if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
1271     else return 0;
1272 }
1273
1274
1275 /*******************************************************************
1276  *              SetDlgItemTextA (USER32.@)
1277  */
1278 BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
1279 {
1280     return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1281 }
1282
1283
1284 /*******************************************************************
1285  *              SetDlgItemTextW (USER32.@)
1286  */
1287 BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
1288 {
1289     return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1290 }
1291
1292
1293 /***********************************************************************
1294  *              GetDlgItemTextA (USER32.@)
1295  */
1296 INT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, UINT len )
1297 {
1298     return (INT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
1299                                          len, (LPARAM)str );
1300 }
1301
1302
1303 /***********************************************************************
1304  *              GetDlgItemTextW (USER32.@)
1305  */
1306 INT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, UINT len )
1307 {
1308     return (INT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
1309                                          len, (LPARAM)str );
1310 }
1311
1312
1313 /*******************************************************************
1314  *              SetDlgItemInt (USER32.@)
1315  */
1316 BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
1317                              BOOL fSigned )
1318 {
1319     char str[20];
1320
1321     if (fSigned) sprintf( str, "%d", (INT)value );
1322     else sprintf( str, "%u", value );
1323     SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
1324     return TRUE;
1325 }
1326
1327
1328 /***********************************************************************
1329  *              GetDlgItemInt (USER32.@)
1330  */
1331 UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
1332                                BOOL fSigned )
1333 {
1334     char str[30];
1335     char * endptr;
1336     long result = 0;
1337
1338     if (translated) *translated = FALSE;
1339     if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
1340         return 0;
1341     if (fSigned)
1342     {
1343         result = strtol( str, &endptr, 10 );
1344         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1345             return 0;
1346         if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
1347             return 0;
1348     }
1349     else
1350     {
1351         result = strtoul( str, &endptr, 10 );
1352         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1353             return 0;
1354         if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
1355     }
1356     if (translated) *translated = TRUE;
1357     return (UINT)result;
1358 }
1359
1360
1361 /***********************************************************************
1362  *              CheckDlgButton (USER32.@)
1363  */
1364 BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
1365 {
1366     SendDlgItemMessageA( hwnd, id, BM_SETCHECK, check, 0 );
1367     return TRUE;
1368 }
1369
1370
1371 /***********************************************************************
1372  *              IsDlgButtonChecked (USER32.@)
1373  */
1374 UINT WINAPI IsDlgButtonChecked( HWND hwnd, UINT id )
1375 {
1376     return (UINT)SendDlgItemMessageA( hwnd, id, BM_GETCHECK, 0, 0 );
1377 }
1378
1379
1380 /***********************************************************************
1381  *           CheckRB
1382  *
1383  * Callback function used to check/uncheck radio buttons that fall
1384  * within a specific range of IDs.
1385  */
1386 static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
1387 {
1388     LONG lChildID = GetWindowLongA(hwndChild, GWL_ID);
1389     RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
1390
1391     if ((lChildID >= lpRadioGroup->firstID) &&
1392         (lChildID <= lpRadioGroup->lastID))
1393     {
1394         if (lChildID == lpRadioGroup->checkID)
1395         {
1396             SendMessageA(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
1397         }
1398         else
1399         {
1400             SendMessageA(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
1401         }
1402     }
1403
1404     return TRUE;
1405 }
1406
1407
1408 /***********************************************************************
1409  *              CheckRadioButton (USER32.@)
1410  */
1411 BOOL WINAPI CheckRadioButton( HWND hwndDlg, UINT firstID,
1412                               UINT lastID, UINT checkID )
1413 {
1414     RADIOGROUP radioGroup;
1415
1416     radioGroup.firstID = firstID;
1417     radioGroup.lastID = lastID;
1418     radioGroup.checkID = checkID;
1419
1420     return EnumChildWindows(hwndDlg, (WNDENUMPROC)CheckRB,
1421                             (LPARAM)&radioGroup);
1422 }
1423
1424
1425 /***********************************************************************
1426  *              GetDialogBaseUnits (USER.243)
1427  *              GetDialogBaseUnits (USER32.@)
1428  */
1429 DWORD WINAPI GetDialogBaseUnits(void)
1430 {
1431     static DWORD units;
1432
1433     if (!units)
1434     {
1435         HDC hdc;
1436         SIZE size;
1437
1438         if ((hdc = GetDC(0)))
1439         {
1440             if (DIALOG_GetCharSize( hdc, 0, &size )) units = MAKELONG( size.cx, size.cy );
1441             ReleaseDC( 0, hdc );
1442         }
1443         TRACE("base units = %d,%d\n", LOWORD(units), HIWORD(units) );
1444     }
1445     return units;
1446 }
1447
1448
1449 /***********************************************************************
1450  *              MapDialogRect (USER32.@)
1451  */
1452 BOOL WINAPI MapDialogRect( HWND hwnd, LPRECT rect )
1453 {
1454     DIALOGINFO * dlgInfo;
1455     if (!(dlgInfo = DIALOG_get_info( hwnd ))) return FALSE;
1456     rect->left   = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
1457     rect->right  = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
1458     rect->top    = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
1459     rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
1460     return TRUE;
1461 }
1462
1463
1464 /***********************************************************************
1465  *              GetNextDlgGroupItem (USER32.@)
1466  *
1467  * Corrections to MSDN documentation
1468  *
1469  * (Under Windows 2000 at least, where hwndDlg is not actually a dialog)
1470  * 1. hwndCtrl can be hwndDlg in which case it behaves as for NULL
1471  * 2. Prev of NULL or hwndDlg fails
1472  */
1473 HWND WINAPI GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1474 {
1475     HWND hwnd, hwndNext, retvalue, hwndLastGroup = 0;
1476     BOOL fLooped=FALSE;
1477     BOOL fSkipping=FALSE;
1478
1479     hwndDlg = WIN_GetFullHandle( hwndDlg );
1480     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1481
1482     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1483     if (!hwndCtrl && fPrevious) return 0;
1484
1485     if (hwndCtrl)
1486     {
1487         if (!IsChild (hwndDlg, hwndCtrl)) return 0;
1488     }
1489     else
1490     {
1491         /* No ctrl specified -> start from the beginning */
1492         if (!(hwndCtrl = GetWindow( hwndDlg, GW_CHILD ))) return 0;
1493         /* MSDN is wrong. fPrevious does not result in the last child */
1494
1495         /* Maybe that first one is valid.  If so then we don't want to skip it*/
1496         if ((GetWindowLongW( hwndCtrl, GWL_STYLE ) & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE)
1497         {
1498             return hwndCtrl;
1499         }
1500     }
1501
1502     /* Always go forward around the group and list of controls; for the
1503      * previous control keep track; for the next break when you find one
1504      */
1505     retvalue = hwndCtrl;
1506     hwnd = hwndCtrl;
1507     while (hwndNext = GetWindow (hwnd, GW_HWNDNEXT),
1508            1)
1509     {
1510         while (!hwndNext)
1511         {
1512             /* Climb out until there is a next sibling of the ancestor or we
1513              * reach the top (in which case we loop back to the start)
1514              */
1515             if (hwndDlg == GetParent (hwnd))
1516             {
1517                 /* Wrap around to the beginning of the list, within the same
1518                  * group. (Once only)
1519                  */
1520                 if (fLooped) goto end;
1521                 fLooped = TRUE;
1522                 hwndNext = GetWindow (hwndDlg, GW_CHILD);
1523             }
1524             else
1525             {
1526                 hwnd = GetParent (hwnd);
1527                 hwndNext = GetWindow (hwnd, GW_HWNDNEXT);
1528             }
1529         }
1530         hwnd = hwndNext;
1531
1532         /* Wander down the leading edge of controlparents */
1533         while ( (GetWindowLongW (hwnd, GWL_EXSTYLE) & WS_EX_CONTROLPARENT) &&
1534                 ((GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE) &&
1535                 (hwndNext = GetWindow (hwnd, GW_CHILD)))
1536             hwnd = hwndNext;
1537         /* Question.  If the control is a control parent but either has no
1538          * children or is not visible/enabled then if it has a WS_GROUP does
1539          * it count?  For that matter does it count anyway?
1540          * I believe it doesn't count.
1541          */
1542
1543         if ((GetWindowLongW (hwnd, GWL_STYLE) & WS_GROUP))
1544         {
1545             hwndLastGroup = hwnd;
1546             if (!fSkipping)
1547             {
1548                 /* Look for the beginning of the group */
1549                 fSkipping = TRUE;
1550             }
1551         }
1552
1553         if (hwnd == hwndCtrl)
1554         {
1555             if (!fSkipping) break;
1556             if (hwndLastGroup == hwnd) break;
1557             hwnd = hwndLastGroup;
1558             fSkipping = FALSE;
1559             fLooped = FALSE;
1560         }
1561
1562         if (!fSkipping &&
1563             (GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE|WS_DISABLED)) ==
1564              WS_VISIBLE)
1565         {
1566             retvalue = hwnd;
1567             if (!fPrevious) break;
1568         }
1569     }
1570 end:
1571     return retvalue;
1572 }
1573
1574
1575 /***********************************************************************
1576  *           DIALOG_GetNextTabItem
1577  *
1578  * Recursive helper for GetNextDlgTabItem
1579  */
1580 static HWND DIALOG_GetNextTabItem( HWND hwndMain, HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1581 {
1582     LONG dsStyle;
1583     LONG exStyle;
1584     UINT wndSearch = fPrevious ? GW_HWNDPREV : GW_HWNDNEXT;
1585     HWND retWnd = 0;
1586     HWND hChildFirst = 0;
1587
1588     if(!hwndCtrl)
1589     {
1590         hChildFirst = GetWindow(hwndDlg,GW_CHILD);
1591         if(fPrevious) hChildFirst = GetWindow(hChildFirst,GW_HWNDLAST);
1592     }
1593     else if (IsChild( hwndMain, hwndCtrl ))
1594     {
1595         hChildFirst = GetWindow(hwndCtrl,wndSearch);
1596         if(!hChildFirst)
1597         {
1598             if(GetParent(hwndCtrl) != hwndMain)
1599                 /* i.e. if we are not at the top level of the recursion */
1600                 hChildFirst = GetWindow(GetParent(hwndCtrl),wndSearch);
1601             else
1602                 hChildFirst = GetWindow(hwndCtrl, fPrevious ? GW_HWNDLAST : GW_HWNDFIRST);
1603         }
1604     }
1605
1606     while(hChildFirst)
1607     {
1608         dsStyle = GetWindowLongA(hChildFirst,GWL_STYLE);
1609         exStyle = GetWindowLongA(hChildFirst,GWL_EXSTYLE);
1610         if( (exStyle & WS_EX_CONTROLPARENT) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1611         {
1612             HWND retWnd;
1613             retWnd = DIALOG_GetNextTabItem(hwndMain,hChildFirst,NULL,fPrevious );
1614             if (retWnd) return (retWnd);
1615         }
1616         else if( (dsStyle & WS_TABSTOP) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1617         {
1618             return (hChildFirst);
1619         }
1620         hChildFirst = GetWindow(hChildFirst,wndSearch);
1621     }
1622     if(hwndCtrl)
1623     {
1624         HWND hParent = GetParent(hwndCtrl);
1625         while(hParent)
1626         {
1627             if(hParent == hwndMain) break;
1628             retWnd = DIALOG_GetNextTabItem(hwndMain,GetParent(hParent),hParent,fPrevious );
1629             if(retWnd) break;
1630             hParent = GetParent(hParent);
1631         }
1632         if(!retWnd)
1633             retWnd = DIALOG_GetNextTabItem(hwndMain,hwndMain,NULL,fPrevious );
1634     }
1635     return retWnd ? retWnd : hwndCtrl;
1636 }
1637
1638 /***********************************************************************
1639  *              GetNextDlgTabItem (USER32.@)
1640  */
1641 HWND WINAPI GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl,
1642                                    BOOL fPrevious )
1643 {
1644     hwndDlg = WIN_GetFullHandle( hwndDlg );
1645     hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1646
1647     /* Undocumented but tested under Win2000 and WinME */
1648     if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1649
1650     /* Contrary to MSDN documentation, tested under Win2000 and WinME
1651      * NB GetLastError returns whatever was set before the function was
1652      * called.
1653      */
1654     if (!hwndCtrl && fPrevious) return 0;
1655
1656     return DIALOG_GetNextTabItem(hwndDlg,hwndDlg,hwndCtrl,fPrevious);
1657 }
1658
1659 /**********************************************************************
1660  *           DIALOG_DlgDirSelect
1661  *
1662  * Helper function for DlgDirSelect*
1663  */
1664 static BOOL DIALOG_DlgDirSelect( HWND hwnd, LPSTR str, INT len,
1665                                  INT id, BOOL unicode, BOOL combo )
1666 {
1667     char *buffer, *ptr;
1668     INT item, size;
1669     BOOL ret;
1670     HWND listbox = GetDlgItem( hwnd, id );
1671
1672     TRACE("%p '%s' %d\n", hwnd, str, id );
1673     if (!listbox) return FALSE;
1674
1675     item = SendMessageA(listbox, combo ? CB_GETCURSEL : LB_GETCURSEL, 0, 0 );
1676     if (item == LB_ERR) return FALSE;
1677     size = SendMessageA(listbox, combo ? CB_GETLBTEXTLEN : LB_GETTEXTLEN, 0, 0 );
1678     if (size == LB_ERR) return FALSE;
1679
1680     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, size+1 ))) return FALSE;
1681
1682     SendMessageA( listbox, combo ? CB_GETLBTEXT : LB_GETTEXT, item, (LPARAM)buffer );
1683
1684     if ((ret = (buffer[0] == '[')))  /* drive or directory */
1685     {
1686         if (buffer[1] == '-')  /* drive */
1687         {
1688             buffer[3] = ':';
1689             buffer[4] = 0;
1690             ptr = buffer + 2;
1691         }
1692         else
1693         {
1694             buffer[strlen(buffer)-1] = '\\';
1695             ptr = buffer + 1;
1696         }
1697     }
1698     else ptr = buffer;
1699
1700     if (unicode)
1701     {
1702         if (len > 0 && !MultiByteToWideChar( CP_ACP, 0, ptr, -1, (LPWSTR)str, len ))
1703             ((LPWSTR)str)[len-1] = 0;
1704     }
1705     else lstrcpynA( str, ptr, len );
1706     HeapFree( GetProcessHeap(), 0, buffer );
1707     TRACE("Returning %d '%s'\n", ret, str );
1708     return ret;
1709 }
1710
1711
1712 /**********************************************************************
1713  *          DIALOG_DlgDirListW
1714  *
1715  * Helper function for DlgDirList*W
1716  */
1717 static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1718                                INT idStatic, UINT attrib, BOOL combo )
1719 {
1720     HWND hwnd;
1721     LPWSTR orig_spec = spec;
1722     WCHAR any[] = {'*','.','*',0};
1723
1724 #define SENDMSG(msg,wparam,lparam) \
1725     ((attrib & DDL_POSTMSGS) ? PostMessageW( hwnd, msg, wparam, lparam ) \
1726                              : SendMessageW( hwnd, msg, wparam, lparam ))
1727
1728     TRACE("%p %s %d %d %04x\n", hDlg, debugstr_w(spec), idLBox, idStatic, attrib );
1729
1730     /* If the path exists and is a directory, chdir to it */
1731     if (!spec || !spec[0] || SetCurrentDirectoryW( spec )) spec = any;
1732     else
1733     {
1734         WCHAR *p, *p2;
1735         p = spec;
1736         if ((p2 = strrchrW( p, '\\' ))) p = p2;
1737         if ((p2 = strrchrW( p, '/' ))) p = p2;
1738         if (p != spec)
1739         {
1740             WCHAR sep = *p;
1741             *p = 0;
1742             if (!SetCurrentDirectoryW( spec ))
1743             {
1744                 *p = sep;  /* Restore the original spec */
1745                 return FALSE;
1746             }
1747             spec = p + 1;
1748         }
1749     }
1750
1751     TRACE( "mask=%s\n", debugstr_w(spec) );
1752
1753     if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
1754     {
1755         SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
1756         if (attrib & DDL_DIRECTORY)
1757         {
1758             if (!(attrib & DDL_EXCLUSIVE))
1759             {
1760                 if (SENDMSG( combo ? CB_DIR : LB_DIR,
1761                              attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
1762                              (LPARAM)spec ) == LB_ERR)
1763                     return FALSE;
1764             }
1765             if (SENDMSG( combo ? CB_DIR : LB_DIR,
1766                        (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
1767                          (LPARAM)any ) == LB_ERR)
1768                 return FALSE;
1769         }
1770         else
1771         {
1772             if (SENDMSG( combo ? CB_DIR : LB_DIR, attrib,
1773                          (LPARAM)spec ) == LB_ERR)
1774                 return FALSE;
1775         }
1776     }
1777
1778     if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
1779     {
1780         WCHAR temp[MAX_PATH];
1781         GetCurrentDirectoryW( sizeof(temp)/sizeof(WCHAR), temp );
1782         CharLowerW( temp );
1783         /* Can't use PostMessage() here, because the string is on the stack */
1784         SetDlgItemTextW( hDlg, idStatic, temp );
1785     }
1786
1787     if (orig_spec && (spec != orig_spec))
1788     {
1789         /* Update the original file spec */
1790         WCHAR *p = spec;
1791         while ((*orig_spec++ = *p++));
1792     }
1793
1794     return TRUE;
1795 #undef SENDMSG
1796 }
1797
1798
1799 /**********************************************************************
1800  *          DIALOG_DlgDirListA
1801  *
1802  * Helper function for DlgDirList*A
1803  */
1804 static INT DIALOG_DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1805                                INT idStatic, UINT attrib, BOOL combo )
1806 {
1807     if (spec)
1808     {
1809         INT ret, len = MultiByteToWideChar( CP_ACP, 0, spec, -1, NULL, 0 );
1810         LPWSTR specW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1811         MultiByteToWideChar( CP_ACP, 0, spec, -1, specW, len );
1812         ret = DIALOG_DlgDirListW( hDlg, specW, idLBox, idStatic, attrib, combo );
1813         WideCharToMultiByte( CP_ACP, 0, specW, -1, spec, 0x7fffffff, NULL, NULL );
1814         HeapFree( GetProcessHeap(), 0, specW );
1815         return ret;
1816     }
1817     return DIALOG_DlgDirListW( hDlg, NULL, idLBox, idStatic, attrib, combo );
1818 }
1819
1820
1821 /**********************************************************************
1822  *              DlgDirSelectExA (USER32.@)
1823  */
1824 BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
1825 {
1826     return DIALOG_DlgDirSelect( hwnd, str, len, id, FALSE, FALSE );
1827 }
1828
1829
1830 /**********************************************************************
1831  *              DlgDirSelectExW (USER32.@)
1832  */
1833 BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
1834 {
1835     return DIALOG_DlgDirSelect( hwnd, (LPSTR)str, len, id, TRUE, FALSE );
1836 }
1837
1838
1839 /**********************************************************************
1840  *              DlgDirSelectComboBoxExA (USER32.@)
1841  */
1842 BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
1843                                          INT id )
1844 {
1845     return DIALOG_DlgDirSelect( hwnd, str, len, id, FALSE, TRUE );
1846 }
1847
1848
1849 /**********************************************************************
1850  *              DlgDirSelectComboBoxExW (USER32.@)
1851  */
1852 BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
1853                                          INT id)
1854 {
1855     return DIALOG_DlgDirSelect( hwnd, (LPSTR)str, len, id, TRUE, TRUE );
1856 }
1857
1858
1859 /**********************************************************************
1860  *              DlgDirListA (USER32.@)
1861  */
1862 INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1863                             INT idStatic, UINT attrib )
1864 {
1865     return DIALOG_DlgDirListA( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1866 }
1867
1868
1869 /**********************************************************************
1870  *              DlgDirListW (USER32.@)
1871  */
1872 INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1873                             INT idStatic, UINT attrib )
1874 {
1875     return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1876 }
1877
1878
1879 /**********************************************************************
1880  *              DlgDirListComboBoxA (USER32.@)
1881  */
1882 INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
1883                                     INT idStatic, UINT attrib )
1884 {
1885     return DIALOG_DlgDirListA( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1886 }
1887
1888
1889 /**********************************************************************
1890  *              DlgDirListComboBoxW (USER32.@)
1891  */
1892 INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
1893                                     INT idStatic, UINT attrib )
1894 {
1895     return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1896 }