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