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