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