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 "heap.h"
  41 #include "win.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     WORD       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_GLOBALCLASS | 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 );
 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     WND * wndPtr;
 495     DLG_TEMPLATE template;
 496     DIALOGINFO * dlgInfo;
 497     DWORD units = GetDialogBaseUnits();
 498     BOOL ownerEnabled = TRUE;
 499
 500       /* Parse dialog template */
 501
 502     if (!dlgTemplate) return 0;
 503     dlgTemplate = DIALOG_ParseTemplate32( dlgTemplate, &template );
 504
 505       /* Initialise dialog extra data */
 506
 507     if (!(dlgInfo = HeapAlloc( GetProcessHeap(), 0, sizeof(*dlgInfo) ))) return 0;
 508     dlgInfo->hwndFocus   = 0;
 509     dlgInfo->hUserFont   = 0;
 510     dlgInfo->hMenu       = 0;
 511     dlgInfo->xBaseUnit   = LOWORD(units);
 512     dlgInfo->yBaseUnit   = HIWORD(units);
 513     dlgInfo->idResult    = 0;
 514     dlgInfo->flags       = 0;
 515     dlgInfo->hDialogHeap = 0;
 516
 517       /* Load menu */
 518
 519     if (template.menuName) dlgInfo->hMenu = LoadMenuW( hInst, template.menuName );
 520
 521       /* Create custom font if needed */
 522
 523     if (template.style & DS_SETFONT)
 524     {
 525           /* We convert the size to pixels and then make it -ve.  This works
 526            * for both +ve and -ve template.pointSize */
 527         HDC dc;
 528         int pixels;
 529         dc = GetDC(0);
 530         pixels = MulDiv(template.pointSize, GetDeviceCaps(dc , LOGPIXELSY), 72);
 531         dlgInfo->hUserFont = CreateFontW( -pixels, 0, 0, 0, template.weight,
 532                                           template.italic, FALSE, FALSE, DEFAULT_CHARSET, 0, 0,
 533                                           PROOF_QUALITY, FF_DONTCARE,
 534                                           template.faceName );
 535         if (dlgInfo->hUserFont)
 536         {
 537             SIZE charSize;
 538             if (DIALOG_GetCharSize( dc, dlgInfo->hUserFont, &charSize ))
 539             {
 540                 dlgInfo->xBaseUnit = charSize.cx;
 541                 dlgInfo->yBaseUnit = charSize.cy;
 542             }
 543         }
 544         ReleaseDC(0, dc);
 545         TRACE("units = %d,%d\n", dlgInfo->xBaseUnit, dlgInfo->yBaseUnit );
 546     }
 547
 548     /* Create dialog main window */
 549
 550     rect.left = rect.top = 0;
 551     rect.right = MulDiv(template.cx, dlgInfo->xBaseUnit, 4);
 552     rect.bottom =  MulDiv(template.cy, dlgInfo->yBaseUnit, 8);
 553     if (template.style & WS_CHILD)
 554         template.style &= ~(WS_CAPTION|WS_SYSMENU);
 555     if (template.style & DS_MODALFRAME)
 556         template.exStyle |= WS_EX_DLGMODALFRAME;
 557     AdjustWindowRectEx( &rect, template.style, (dlgInfo->hMenu != 0), template.exStyle );
 558     rect.right -= rect.left;
 559     rect.bottom -= rect.top;
 560
 561     if (template.x == CW_USEDEFAULT16)
 562     {
 563         rect.left = rect.top = CW_USEDEFAULT;
 564     }
 565     else
 566     {
 567         if (template.style & DS_CENTER)
 568         {
 569             rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
 570             rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
 571         }
 572         else
 573         {
 574             rect.left += MulDiv(template.x, dlgInfo->xBaseUnit, 4);
 575             rect.top += MulDiv(template.y, dlgInfo->yBaseUnit, 8);
 576         }
 577         if ( !(template.style & WS_CHILD) )
 578         {
 579             INT dX, dY;
 580
 581             if( !(template.style & DS_ABSALIGN) )
 582                 ClientToScreen( owner, (POINT *)&rect );
 583
 584             /* try to fit it into the desktop */
 585
 586             if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
 587                  - GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
 588             if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
 589                  - GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
 590             if( rect.left < 0 ) rect.left = 0;
 591             if( rect.top < 0 ) rect.top = 0;
 592         }
 593     }
 594
 595     if (modal)
 596     {
 597         ownerEnabled = DIALOG_DisableOwner( owner );
 598         if (ownerEnabled) dlgInfo->flags |= DF_OWNERENABLED;
 599     }
 600
 601     if (unicode)
 602     {
 603         hwnd = CreateWindowExW(template.exStyle, template.className, template.caption,
 604                                template.style & ~WS_VISIBLE,
 605                                rect.left, rect.top, rect.right, rect.bottom,
 606                                owner, dlgInfo->hMenu, hInst, NULL );
 607     }
 608     else
 609     {
 610         LPSTR class = (LPSTR)template.className;
 611         LPSTR caption = (LPSTR)template.caption;
 612
 613         if (HIWORD(class))
 614         {
 615             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.className, -1, NULL, 0, NULL, NULL );
 616             class = HeapAlloc( GetProcessHeap(), 0, len );
 617             WideCharToMultiByte( CP_ACP, 0, template.className, -1, class, len, NULL, NULL );
 618         }
 619         if (HIWORD(caption))
 620         {
 621             DWORD len = WideCharToMultiByte( CP_ACP, 0, template.caption, -1, NULL, 0, NULL, NULL );
 622             caption = HeapAlloc( GetProcessHeap(), 0, len );
 623             WideCharToMultiByte( CP_ACP, 0, template.caption, -1, caption, len, NULL, NULL );
 624         }
 625         hwnd = CreateWindowExA(template.exStyle, class, caption,
 626                                template.style & ~WS_VISIBLE,
 627                                rect.left, rect.top, rect.right, rect.bottom,
 628                                owner, dlgInfo->hMenu, hInst, NULL );
 629         if (HIWORD(class)) HeapFree( GetProcessHeap(), 0, class );
 630         if (HIWORD(caption)) HeapFree( GetProcessHeap(), 0, caption );
 631     }
 632
 633     if (!hwnd)
 634     {
 635         if (dlgInfo->hUserFont) DeleteObject( dlgInfo->hUserFont );
 636         if (dlgInfo->hMenu) DestroyMenu( dlgInfo->hMenu );
 637         if (modal && (dlgInfo->flags & DF_OWNERENABLED)) DIALOG_EnableOwner(owner);
 638         HeapFree( GetProcessHeap(), 0, dlgInfo );
 639         return 0;
 640     }
 641     wndPtr = WIN_GetPtr( hwnd );
 642     wndPtr->flags |= WIN_ISDIALOG;
 643     WIN_ReleasePtr( wndPtr );
 644
 645     if (template.helpId) SetWindowContextHelpId( hwnd, template.helpId );
 646     SetWindowLongW( hwnd, DWL_WINE_DIALOGINFO, (LONG)dlgInfo );
 647
 648     if (unicode) SetWindowLongW( hwnd, DWL_DLGPROC, (LONG)dlgProc );
 649     else SetWindowLongA( hwnd, DWL_DLGPROC, (LONG)dlgProc );
 650
 651     if (dlgInfo->hUserFont)
 652         SendMessageA( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
 653
 654     /* Create controls */
 655
 656     if (DIALOG_CreateControls32( hwnd, dlgTemplate, &template, hInst, unicode ))
 657     {
 658         HWND hwndPreInitFocus;
 659
 660         /* Send initialisation messages and set focus */
 661
 662         dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
 663
 664         hwndPreInitFocus = GetFocus();
 665         if (SendMessageA( hwnd, WM_INITDIALOG, (WPARAM)dlgInfo->hwndFocus, param ))
 666         {
 667             /* check where the focus is again,
 668              * some controls status might have changed in WM_INITDIALOG */
 669             dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
 670             if( dlgInfo->hwndFocus )
 671                 SetFocus( dlgInfo->hwndFocus );
 672         }
 673         else
 674         {
 675             /* If the dlgproc has returned FALSE (indicating handling of keyboard focus)
 676                but the focus has not changed, set the focus where we expect it. */
 677             if ((GetFocus() == hwndPreInitFocus) &&
 678                 (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
 679             {
 680                 dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
 681                 if( dlgInfo->hwndFocus )
 682                     SetFocus( dlgInfo->hwndFocus );
 683             }
 684         }
 685
 686         if (template.style & WS_VISIBLE && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
 687         {
 688            ShowWindow( hwnd, SW_SHOWNORMAL );   /* SW_SHOW doesn't always work */
 689         }
 690         return hwnd;
 691     }
 692     if( IsWindow(hwnd) ) DestroyWindow( hwnd );
 693     if (modal && ownerEnabled) DIALOG_EnableOwner(owner);
 694     return 0;
 695 }
 696
 697
 698 /***********************************************************************
 699  *              CreateDialogParamA (USER32.@)
 700  */
 701 HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name, HWND owner,
 702                                 DLGPROC dlgProc, LPARAM param )
 703 {
 704     HRSRC hrsrc;
 705     LPCDLGTEMPLATEA ptr;
 706
 707     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
 708     if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return 0;
 709     return CreateDialogIndirectParamA( hInst, ptr, owner, dlgProc, param );
 710 }
 711
 712
 713 /***********************************************************************
 714  *              CreateDialogParamW (USER32.@)
 715  */
 716 HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name, HWND owner,
 717                                 DLGPROC dlgProc, LPARAM param )
 718 {
 719     HRSRC hrsrc;
 720     LPCDLGTEMPLATEA ptr;
 721
 722     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
 723     if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return 0;
 724     return CreateDialogIndirectParamW( hInst, ptr, owner, dlgProc, param );
 725 }
 726
 727
 728 /***********************************************************************
 729  *              CreateDialogIndirectParamAorW (USER32.@)
 730  */
 731 HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst, LPCVOID dlgTemplate,
 732                                            HWND owner, DLGPROC dlgProc, LPARAM param,
 733                                            DWORD flags )
 734 {
 735     return DIALOG_CreateIndirect( hInst, dlgTemplate, owner, dlgProc, param, !flags, FALSE );
 736 }
 737
 738 /***********************************************************************
 739  *              CreateDialogIndirectParamA (USER32.@)
 740  */
 741 HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst, LPCDLGTEMPLATEA dlgTemplate,
 742                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 743 {
 744     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 2 );
 745 }
 746
 747 /***********************************************************************
 748  *              CreateDialogIndirectParamW (USER32.@)
 749  */
 750 HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst, LPCDLGTEMPLATEW dlgTemplate,
 751                                         HWND owner, DLGPROC dlgProc, LPARAM param )
 752 {
 753     return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 0 );
 754 }
 755
 756
 757 /***********************************************************************
 758  *           DIALOG_DoDialogBox
 759  */
 760 INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
 761 {
 762     DIALOGINFO * dlgInfo;
 763     MSG msg;
 764     INT retval;
 765     HWND ownerMsg = GetAncestor( owner, GA_ROOT );
 766
 767     if (!(dlgInfo = DIALOG_get_info( hwnd ))) return -1;
 768
 769     if (!(dlgInfo->flags & DF_END)) /* was EndDialog called in WM_INITDIALOG ? */
 770     {
 771         ShowWindow( hwnd, SW_SHOW );
 772         for (;;)
 773         {
 774             if (!(GetWindowLongW( hwnd, GWL_STYLE ) & DS_NOIDLEMSG))
 775             {
 776                 if (!PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
 777                 {
 778                     /* No message present -> send ENTERIDLE and wait */
 779                     SendMessageW( ownerMsg, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)hwnd );
 780                     if (!GetMessageW( &msg, 0, 0, 0 )) break;
 781                 }
 782             }
 783             else if (!GetMessageW( &msg, 0, 0, 0 )) break;
 784
 785             if (!IsWindow( hwnd )) return -1;
 786             if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
 787             {
 788                 TranslateMessage( &msg );
 789                 DispatchMessageW( &msg );
 790             }
 791             if (dlgInfo->flags & DF_END) break;
 792         }
 793     }
 794     if (dlgInfo->flags & DF_OWNERENABLED) DIALOG_EnableOwner( owner );
 795     retval = dlgInfo->idResult;
 796     DestroyWindow( hwnd );
 797     return retval;
 798 }
 799
 800
 801 /***********************************************************************
 802  *              DialogBoxParamA (USER32.@)
 803  */
 804 INT_PTR WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
 805                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 806 {
 807     HWND hwnd;
 808     HRSRC hrsrc;
 809     LPCDLGTEMPLATEA ptr;
 810
 811     if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
 812     if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return 0;
 813     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, FALSE, TRUE );
 814     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 815     return -1;
 816 }
 817
 818
 819 /***********************************************************************
 820  *              DialogBoxParamW (USER32.@)
 821  */
 822 INT_PTR WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
 823                                 HWND owner, DLGPROC dlgProc, LPARAM param )
 824 {
 825     HWND hwnd;
 826     HRSRC hrsrc;
 827     LPCDLGTEMPLATEW ptr;
 828
 829     if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
 830     if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return 0;
 831     hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, TRUE, TRUE );
 832     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 833     return -1;
 834 }
 835
 836
 837 /***********************************************************************
 838  *              DialogBoxIndirectParamAorW (USER32.@)
 839  */
 840 INT_PTR WINAPI DialogBoxIndirectParamAorW( HINSTANCE hInstance, LPCVOID template,
 841                                            HWND owner, DLGPROC dlgProc,
 842                                            LPARAM param, DWORD flags )
 843 {
 844     HWND hwnd = DIALOG_CreateIndirect( hInstance, template, owner, dlgProc, param, !flags, TRUE );
 845     if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
 846     return -1;
 847 }
 848
 849 /***********************************************************************
 850  *              DialogBoxIndirectParamA (USER32.@)
 851  */
 852 INT_PTR WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCDLGTEMPLATEA template,
 853                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 854 {
 855     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 2 );
 856 }
 857
 858
 859 /***********************************************************************
 860  *              DialogBoxIndirectParamW (USER32.@)
 861  */
 862 INT_PTR WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCDLGTEMPLATEW template,
 863                                        HWND owner, DLGPROC dlgProc, LPARAM param )
 864 {
 865     return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 0 );
 866 }
 867
 868 /***********************************************************************
 869  *              EndDialog (USER32.@)
 870  */
 871 BOOL WINAPI EndDialog( HWND hwnd, INT_PTR retval )
 872 {
 873     BOOL wasEnabled = TRUE;
 874     DIALOGINFO * dlgInfo;
 875     HWND owner;
 876
 877     TRACE("%p %d\n", hwnd, retval );
 878
 879     if (!(dlgInfo = DIALOG_get_info( hwnd )))
 880     {
 881         ERR("got invalid window handle (%p); buggy app !?\n", hwnd);
 882         return FALSE;
 883     }
 884     dlgInfo->idResult = retval;
 885     dlgInfo->flags |= DF_END;
 886     wasEnabled = (dlgInfo->flags & DF_OWNERENABLED);
 887
 888     if (wasEnabled && (owner = GetWindow( hwnd, GW_OWNER )))
 889         DIALOG_EnableOwner( owner );
 890
 891     /* Windows sets the focus to the dialog itself in EndDialog */
 892
 893     if (IsChild(hwnd, GetFocus()))
 894        SetFocus( hwnd );
 895
 896     /* Don't have to send a ShowWindow(SW_HIDE), just do
 897        SetWindowPos with SWP_HIDEWINDOW as done in Windows */
 898
 899     SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
 900                  | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
 901
 902     /* unblock dialog loop */
 903     PostMessageA(hwnd, WM_NULL, 0, 0);
 904     return TRUE;
 905 }
 906
 907
 908 /***********************************************************************
 909  *           DIALOG_IsAccelerator
 910  */
 911 static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
 912 {
 913     HWND hwndControl = hwnd;
 914     HWND hwndNext;
 915     INT dlgCode;
 916     WCHAR buffer[128];
 917
 918     do
 919     {
 920         DWORD style = GetWindowLongW( hwndControl, GWL_STYLE );
 921         if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
 922         {
 923             dlgCode = SendMessageA( hwndControl, WM_GETDLGCODE, 0, 0 );
 924             if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
 925                  GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
 926             {
 927                 /* find the accelerator key */
 928                 LPWSTR p = buffer - 2;
 929
 930                 do
 931                 {
 932                     p = strchrW( p + 2, '&' );
 933                 }
 934                 while (p != NULL && p[1] == '&');
 935
 936                 /* and check if it's the one we're looking for */
 937                 if (p != NULL && toupperW( p[1] ) == toupperW( wParam ) )
 938                 {
 939                     if ((dlgCode & DLGC_STATIC) || (style & 0x0f) == BS_GROUPBOX )
 940                     {
 941                         /* set focus to the control */
 942                         SendMessageA( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndControl, 1);
 943                         /* and bump it on to next */
 944                         SendMessageA( hwndDlg, WM_NEXTDLGCTL, 0, 0);
 945                     }
 946                     else if (dlgCode & DLGC_BUTTON)
 947                     {
 948                         /* send BM_CLICK message to the control */
 949                         SendMessageA( hwndControl, BM_CLICK, 0, 0 );
 950                     }
 951                     return TRUE;
 952                 }
 953             }
 954             hwndNext = GetWindow( hwndControl, GW_CHILD );
 955         }
 956         else hwndNext = 0;
 957
 958         if (!hwndNext) hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
 959
 960         while (!hwndNext && hwndControl)
 961         {
 962             hwndControl = GetParent( hwndControl );
 963             if (hwndControl == hwndDlg)
 964             {
 965                 if(hwnd==hwndDlg)   /* prevent endless loop */
 966                 {
 967                     hwndNext=hwnd;
 968                     break;
 969                 }
 970                 hwndNext = GetWindow( hwndDlg, GW_CHILD );
 971             }
 972             else
 973                 hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
 974         }
 975         hwndControl = hwndNext;
 976     }
 977     while (hwndControl && (hwndControl != hwnd));
 978
 979     return FALSE;
 980 }
 981
 982 /***********************************************************************
 983  *           DIALOG_FindMsgDestination
 984  *
 985  * The messages that IsDialogMessage sends may not go to the dialog
 986  * calling IsDialogMessage if that dialog is a child, and it has the
 987  * DS_CONTROL style set.
 988  * We propagate up until we hit one that does not have DS_CONTROL, or
 989  * whose parent is not a dialog.
 990  *
 991  * This is undocumented behaviour.
 992  */
 993 static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
 994 {
 995     while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
 996     {
 997         WND *pParent;
 998         HWND hParent = GetParent(hwndDlg);
 999         if (!hParent) break;
1000
1001         pParent = WIN_FindWndPtr(hParent);
1002         if (!pParent) break;
1003
1004         if (!(pParent->flags & WIN_ISDIALOG))
1005         {
1006             WIN_ReleaseWndPtr(pParent);
1007             break;
1008         }
1009         WIN_ReleaseWndPtr(pParent);
1010
1011         hwndDlg = hParent;
1012     }
1013
1014     return hwndDlg;
1015 }
1016
1017 /***********************************************************************
1018  *              IsDialogMessageW (USER32.@)
1019  */
1020 BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
1021 {
1022     INT dlgCode = 0;
1023
1024     if (CallMsgFilterW( msg, MSGF_DIALOGBOX )) return TRUE;
1025
1026     hwndDlg = WIN_GetFullHandle( hwndDlg );
1027     if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
1028
1029     hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
1030
1031     switch(msg->message)
1032     {
1033     case WM_KEYDOWN:
1034         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1035         if (dlgCode & DLGC_WANTMESSAGE) break;
1036
1037         switch(msg->wParam)
1038         {
1039         case VK_TAB:
1040             if (!(dlgCode & DLGC_WANTTAB))
1041             {
1042                 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (GetKeyState(VK_SHIFT) & 0x8000), 0 );
1043                 return TRUE;
1044             }
1045             break;
1046
1047         case VK_RIGHT:
1048         case VK_DOWN:
1049         case VK_LEFT:
1050         case VK_UP:
1051             if (!(dlgCode & DLGC_WANTARROWS))
1052             {
1053                 BOOL fPrevious = (msg->wParam == VK_LEFT || msg->wParam == VK_UP);
1054                 HWND hwndNext = GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
1055                 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndNext, 1 );
1056                 return TRUE;
1057             }
1058             break;
1059
1060         case VK_CANCEL:
1061         case VK_ESCAPE:
1062             SendMessageW( hwndDlg, WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
1063             return TRUE;
1064
1065         case VK_EXECUTE:
1066         case VK_RETURN:
1067             {
1068                 DWORD dw = SendMessageW( hwndDlg, DM_GETDEFID, 0, 0 );
1069                 if (HIWORD(dw) == DC_HASDEFID)
1070                 {
1071                     SendMessageW( hwndDlg, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
1072                                     (LPARAM)GetDlgItem(hwndDlg, LOWORD(dw)));
1073                 }
1074                 else
1075                 {
1076                     SendMessageW( hwndDlg, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
1077
1078                 }
1079             }
1080             return TRUE;
1081         }
1082         break;
1083
1084     case WM_CHAR:
1085         dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1086         if (dlgCode & (DLGC_WANTCHARS|DLGC_WANTMESSAGE)) break;
1087         if (msg->wParam == '\t' && (dlgCode & DLGC_WANTTAB)) break;
1088         /* drop through */
1089
1090     case WM_SYSCHAR:
1091         if (DIALOG_IsAccelerator( WIN_GetFullHandle(msg->hwnd), hwndDlg, msg->wParam ))
1092         {
1093             /* don't translate or dispatch */
1094             return TRUE;
1095         }
1096         break;
1097     }
1098
1099     TranslateMessage( msg );
1100     DispatchMessageW( msg );
1101     return TRUE;
1102 }
1103
1104
1105 /***********************************************************************
1106  *              GetDlgCtrlID (USER32.@)
1107  */
1108 INT WINAPI GetDlgCtrlID( HWND hwnd )
1109 {
1110     return GetWindowLongW( hwnd, GWL_ID );
1111 }
1112
1113
1114 /***********************************************************************
1115  *              GetDlgItem (USER32.@)
1116  */
1117 HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
1118 {
1119     int i;
1120     HWND *list = WIN_ListChildren( hwndDlg );
1121     HWND ret = 0;
1122
1123     if (!list) return 0;
1124
1125     for (i = 0; list[i]; i++) if (GetWindowLongW( list[i], GWL_ID ) == id) break;
1126     ret = list[i];
1127     HeapFree( GetProcessHeap(), 0, list );
1128     return ret;
1129 }
1130
1131
1132 /*******************************************************************
1133  *              SendDlgItemMessageA (USER32.@)
1134  */
1135 LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
1136                                       WPARAM wParam, LPARAM lParam )
1137 {
1138     HWND hwndCtrl = GetDlgItem( hwnd, id );
1139     if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
1140     else return 0;
1141 }
1142
1143
1144 /*******************************************************************
1145  *              SendDlgItemMessageW (USER32.@)
1146  */
1147 LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
1148                                       WPARAM wParam, LPARAM lParam )
1149 {
1150     HWND hwndCtrl = GetDlgItem( hwnd, id );
1151     if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
1152     else return 0;
1153 }
1154
1155
1156 /*******************************************************************
1157  *              SetDlgItemTextA (USER32.@)
1158  */
1159 BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
1160 {
1161     return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1162 }
1163
1164
1165 /*******************************************************************
1166  *              SetDlgItemTextW (USER32.@)
1167  */
1168 BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
1169 {
1170     return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1171 }
1172
1173
1174 /***********************************************************************
1175  *              GetDlgItemTextA (USER32.@)
1176  */
1177 INT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, UINT len )
1178 {
1179     return (INT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
1180                                          len, (LPARAM)str );
1181 }
1182
1183
1184 /***********************************************************************
1185  *              GetDlgItemTextW (USER32.@)
1186  */
1187 INT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, UINT len )
1188 {
1189     return (INT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
1190                                          len, (LPARAM)str );
1191 }
1192
1193
1194 /*******************************************************************
1195  *              SetDlgItemInt (USER32.@)
1196  */
1197 BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
1198                              BOOL fSigned )
1199 {
1200     char str[20];
1201
1202     if (fSigned) sprintf( str, "%d", (INT)value );
1203     else sprintf( str, "%u", value );
1204     SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
1205     return TRUE;
1206 }
1207
1208
1209 /***********************************************************************
1210  *              GetDlgItemInt (USER32.@)
1211  */
1212 UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
1213                                BOOL fSigned )
1214 {
1215     char str[30];
1216     char * endptr;
1217     long result = 0;
1218
1219     if (translated) *translated = FALSE;
1220     if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
1221         return 0;
1222     if (fSigned)
1223     {
1224         result = strtol( str, &endptr, 10 );
1225         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1226             return 0;
1227         if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
1228             return 0;
1229     }
1230     else
1231     {
1232         result = strtoul( str, &endptr, 10 );
1233         if (!endptr || (endptr == str))  /* Conversion was unsuccessful */
1234             return 0;
1235         if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
1236     }
1237     if (translated) *translated = TRUE;
1238     return (UINT)result;
1239 }
1240
1241
1242 /***********************************************************************
1243  *              CheckDlgButton (USER32.@)
1244  */
1245 BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
1246 {
1247     SendDlgItemMessageA( hwnd, id, BM_SETCHECK, check, 0 );
1248     return TRUE;
1249 }
1250
1251
1252 /***********************************************************************
1253  *              IsDlgButtonChecked (USER32.@)
1254  */
1255 UINT WINAPI IsDlgButtonChecked( HWND hwnd, UINT id )
1256 {
1257     return (UINT)SendDlgItemMessageA( hwnd, id, BM_GETCHECK, 0, 0 );
1258 }
1259
1260
1261 /***********************************************************************
1262  *           CheckRB
1263  *
1264  * Callback function used to check/uncheck radio buttons that fall
1265  * within a specific range of IDs.
1266  */
1267 static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
1268 {
1269     LONG lChildID = GetWindowLongA(hwndChild, GWL_ID);
1270     RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
1271
1272     if ((lChildID >= lpRadioGroup->firstID) &&
1273         (lChildID <= lpRadioGroup->lastID))
1274     {
1275         if (lChildID == lpRadioGroup->checkID)
1276         {
1277             SendMessageA(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
1278         }
1279         else
1280         {
1281             SendMessageA(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
1282         }
1283     }
1284
1285     return TRUE;
1286 }
1287
1288
1289 /***********************************************************************
1290  *              CheckRadioButton (USER32.@)
1291  */
1292 BOOL WINAPI CheckRadioButton( HWND hwndDlg, UINT firstID,
1293                               UINT lastID, UINT checkID )
1294 {
1295     RADIOGROUP radioGroup;
1296
1297     radioGroup.firstID = firstID;
1298     radioGroup.lastID = lastID;
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 ? retWnd : hwndCtrl;
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     char any[] = "*.*";
1557
1558 #define SENDMSG(msg,wparam,lparam) \
1559     ((attrib & DDL_POSTMSGS) ? PostMessageA( hwnd, msg, wparam, lparam ) \
1560                              : SendMessageA( hwnd, msg, wparam, lparam ))
1561
1562     TRACE("%p '%s' %d %d %04x\n",
1563           hDlg, spec ? spec : "NULL", idLBox, idStatic, attrib );
1564
1565     /* If the path exists and is a directory, chdir to it */
1566     if (!spec || !spec[0] || SetCurrentDirectoryA( spec )) spec = any;
1567     else
1568     {
1569         char *p, *p2;
1570         p = spec;
1571         if ((p2 = strrchr( p, '\\' ))) p = p2;
1572         if ((p2 = strrchr( p, '/' ))) p = p2;
1573         if (p != spec)
1574         {
1575             char sep = *p;
1576             *p = 0;
1577             if (!SetCurrentDirectoryA( spec ))
1578             {
1579                 *p = sep;  /* Restore the original spec */
1580                 return FALSE;
1581             }
1582             spec = p + 1;
1583         }
1584     }
1585
1586     TRACE( "mask=%s\n", spec );
1587
1588     if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
1589     {
1590         SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
1591         if (attrib & DDL_DIRECTORY)
1592         {
1593             if (!(attrib & DDL_EXCLUSIVE))
1594             {
1595                 if (SENDMSG( combo ? CB_DIR : LB_DIR,
1596                              attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
1597                              (LPARAM)spec ) == LB_ERR)
1598                     return FALSE;
1599             }
1600             if (SENDMSG( combo ? CB_DIR : LB_DIR,
1601                        (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
1602                          (LPARAM)"*.*" ) == LB_ERR)
1603                 return FALSE;
1604         }
1605         else
1606         {
1607             if (SENDMSG( combo ? CB_DIR : LB_DIR, attrib,
1608                          (LPARAM)spec ) == LB_ERR)
1609                 return FALSE;
1610         }
1611     }
1612
1613     if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
1614     {
1615         char temp[MAX_PATH];
1616         GetCurrentDirectoryA( sizeof(temp), temp );
1617         CharLowerA( temp );
1618         /* Can't use PostMessage() here, because the string is on the stack */
1619         SetDlgItemTextA( hDlg, idStatic, temp );
1620     }
1621
1622     if (orig_spec && (spec != orig_spec))
1623     {
1624         /* Update the original file spec */
1625         char *p = spec;
1626         while ((*orig_spec++ = *p++));
1627     }
1628
1629     return TRUE;
1630 #undef SENDMSG
1631 }
1632
1633
1634 /**********************************************************************
1635  *          DIALOG_DlgDirListW
1636  *
1637  * Helper function for DlgDirList*W
1638  */
1639 static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1640                                  INT idStatic, UINT attrib, BOOL combo )
1641 {
1642     if (spec)
1643     {
1644         LPSTR specA = HEAP_strdupWtoA( GetProcessHeap(), 0, spec );
1645         INT ret = DIALOG_DlgDirList( hDlg, specA, idLBox, idStatic,
1646                                        attrib, combo );
1647         MultiByteToWideChar( CP_ACP, 0, specA, -1, spec, 0x7fffffff );
1648         HeapFree( GetProcessHeap(), 0, specA );
1649         return ret;
1650     }
1651     return DIALOG_DlgDirList( hDlg, NULL, idLBox, idStatic, attrib, combo );
1652 }
1653
1654
1655 /**********************************************************************
1656  *              DlgDirSelectExA (USER32.@)
1657  */
1658 BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
1659 {
1660     return DIALOG_DlgDirSelect( hwnd, str, len, id, FALSE, FALSE );
1661 }
1662
1663
1664 /**********************************************************************
1665  *              DlgDirSelectExW (USER32.@)
1666  */
1667 BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
1668 {
1669     return DIALOG_DlgDirSelect( hwnd, (LPSTR)str, len, id, TRUE, FALSE );
1670 }
1671
1672
1673 /**********************************************************************
1674  *              DlgDirSelectComboBoxExA (USER32.@)
1675  */
1676 BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
1677                                          INT id )
1678 {
1679     return DIALOG_DlgDirSelect( hwnd, str, len, id, FALSE, TRUE );
1680 }
1681
1682
1683 /**********************************************************************
1684  *              DlgDirSelectComboBoxExW (USER32.@)
1685  */
1686 BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
1687                                          INT id)
1688 {
1689     return DIALOG_DlgDirSelect( hwnd, (LPSTR)str, len, id, TRUE, TRUE );
1690 }
1691
1692
1693 /**********************************************************************
1694  *              DlgDirListA (USER32.@)
1695  */
1696 INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1697                             INT idStatic, UINT attrib )
1698 {
1699     return DIALOG_DlgDirList( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1700 }
1701
1702
1703 /**********************************************************************
1704  *              DlgDirListW (USER32.@)
1705  */
1706 INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1707                             INT idStatic, UINT attrib )
1708 {
1709     return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1710 }
1711
1712
1713 /**********************************************************************
1714  *              DlgDirListComboBoxA (USER32.@)
1715  */
1716 INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
1717                                     INT idStatic, UINT attrib )
1718 {
1719     return DIALOG_DlgDirList( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1720 }
1721
1722
1723 /**********************************************************************
1724  *              DlgDirListComboBoxW (USER32.@)
1725  */
1726 INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
1727                                     INT idStatic, UINT attrib )
1728 {
1729     return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1730 }