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