dll/win32/shell32/dialogs.cpp

   1 /*
   2  *    common shell dialogs
   3  *
   4  * Copyright 2000 Juergen Schmied
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "precomp.h"
  22
  23 typedef struct
  24 {
  25     HWND hwndOwner ;
  26     HICON hIcon ;
  27     LPCWSTR lpstrDirectory ;
  28     LPCWSTR lpstrTitle ;
  29     LPCWSTR lpstrDescription ;
  30     UINT uFlags ;
  31 } RUNFILEDLGPARAMS ;
  32
  33 typedef BOOL (WINAPI * LPFNOFN) (OPENFILENAMEW *) ;
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  36 static INT_PTR CALLBACK RunDlgProc (HWND, UINT, WPARAM, LPARAM) ;
  37 static void FillList (HWND, char *, BOOL) ;
  38
  39
  40 /*************************************************************************
  41  * PickIconDlg                    [SHELL32.62]
  42  *
  43  */
  44
  45 typedef struct
  46 {
  47     HMODULE hLibrary;
  48     HWND hDlgCtrl;
  49     WCHAR szName[MAX_PATH];
  50     INT Index;
  51 } PICK_ICON_CONTEXT, *PPICK_ICON_CONTEXT;
  52
  53 BOOL CALLBACK EnumPickIconResourceProc(HMODULE hModule,
  54     LPCWSTR lpszType,
  55     LPWSTR lpszName,
  56     LONG_PTR lParam
  57 )
  58 {
  59     WCHAR szName[100];
  60     int index;
  61     HICON  hIcon;
  62     PPICK_ICON_CONTEXT pIconContext = (PPICK_ICON_CONTEXT)lParam;
  63
  64     if (IS_INTRESOURCE(lpszName))
  65         swprintf(szName, L"%u", (DWORD)lpszName);
  66     else
  67         wcscpy(szName, (WCHAR*)lpszName);
  68
  69
  70     hIcon = LoadIconW(pIconContext->hLibrary, (LPCWSTR)lpszName);
  71     if (hIcon == NULL)
  72         return TRUE;
  73
  74     index = SendMessageW(pIconContext->hDlgCtrl, LB_ADDSTRING, 0, (LPARAM)szName);
  75     if (index != LB_ERR)
  76         SendMessageW(pIconContext->hDlgCtrl, LB_SETITEMDATA, index, (LPARAM)hIcon);
  77
  78     return TRUE;
  79 }
  80
  81 static void
  82 DestroyIconList(HWND hDlgCtrl)
  83 {
  84     int count;
  85     int index;
  86
  87     count = SendMessage(hDlgCtrl, LB_GETCOUNT, 0, 0);
  88     if (count == LB_ERR)
  89         return;
  90
  91     for(index = 0; index < count; index++)
  92     {
  93         HICON hIcon = (HICON)SendMessageW(hDlgCtrl, LB_GETITEMDATA, index, 0);
  94         DestroyIcon(hIcon);
  95     }
  96 }
  97
  98 INT_PTR CALLBACK PickIconProc(HWND hwndDlg,
  99     UINT uMsg,
 100     WPARAM wParam,
 101     LPARAM lParam
 102 )
 103 {
 104     LPMEASUREITEMSTRUCT lpmis;
 105     LPDRAWITEMSTRUCT lpdis;
 106     HICON hIcon;
 107     INT index, count;
 108     WCHAR szText[MAX_PATH], szTitle[100], szFilter[100];
 109     OPENFILENAMEW ofn = {0};
 110
 111     PPICK_ICON_CONTEXT pIconContext = (PPICK_ICON_CONTEXT)GetWindowLongPtr(hwndDlg, DWLP_USER);
 112
 113     switch(uMsg)
 114     {
 115     case WM_INITDIALOG:
 116         pIconContext = (PPICK_ICON_CONTEXT)lParam;
 117         SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG)pIconContext);
 118         pIconContext->hDlgCtrl = GetDlgItem(hwndDlg, IDC_PICKICON_LIST);
 119         SendMessageW(pIconContext->hDlgCtrl, LB_SETCOLUMNWIDTH, 32, 0);
 120         EnumResourceNamesW(pIconContext->hLibrary, RT_ICON, EnumPickIconResourceProc, (LPARAM)pIconContext);
 121         if (PathUnExpandEnvStringsW(pIconContext->szName, szText, MAX_PATH))
 122             SetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, szText);
 123         else
 124             SetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, pIconContext->szName);
 125
 126         count = SendMessage(pIconContext->hDlgCtrl, LB_GETCOUNT, 0, 0);
 127         if (count != LB_ERR)
 128         {
 129             if (count > pIconContext->Index)
 130                 SendMessageW(pIconContext->hDlgCtrl, LB_SETCURSEL, pIconContext->Index, 0);
 131             else
 132                 SendMessageW(pIconContext->hDlgCtrl, LB_SETCURSEL, 0, 0);
 133         }
 134         return TRUE;
 135     case WM_COMMAND:
 136         switch(LOWORD(wParam))
 137         {
 138         case IDOK:
 139             index = SendMessageW(pIconContext->hDlgCtrl, LB_GETCURSEL, 0, 0);
 140             pIconContext->Index = index;
 141             GetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, pIconContext->szName, MAX_PATH);
 142             DestroyIconList(pIconContext->hDlgCtrl);
 143             EndDialog(hwndDlg, 1);
 144             break;
 145         case IDCANCEL:
 146             DestroyIconList(pIconContext->hDlgCtrl);
 147             EndDialog(hwndDlg, 0);
 148             break;
 149         case IDC_PICKICON_LIST:
 150             if (HIWORD(wParam) == LBN_SELCHANGE)
 151                 InvalidateRect((HWND)lParam, NULL, TRUE); // FIXME USE UPDATE RECT
 152             break;
 153         case IDC_BUTTON_PATH:
 154             szText[0] = 0;
 155             szTitle[0] = 0;
 156             szFilter[0] = 0;
 157             ofn.lStructSize = sizeof(ofn);
 158             ofn.hwndOwner = hwndDlg;
 159             ofn.lpstrFile = szText;
 160             ofn.nMaxFile = MAX_PATH;
 161             LoadStringW(shell32_hInstance, IDS_PICK_ICON_TITLE, szTitle, sizeof(szTitle) / sizeof(WCHAR));
 162             ofn.lpstrTitle = szTitle;
 163             LoadStringW(shell32_hInstance, IDS_PICK_ICON_FILTER, szFilter, sizeof(szFilter) / sizeof(WCHAR));
 164             ofn.lpstrFilter = szFilter;
 165             if (GetOpenFileNameW(&ofn))
 166             {
 167                 HMODULE hLibrary;
 168
 169                 if (!wcsicmp(pIconContext->szName, szText))
 170                     break;
 171
 172                 DestroyIconList(pIconContext->hDlgCtrl);
 173
 174                 hLibrary = LoadLibraryExW(szText, NULL, LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_IMAGE_RESOURCE);
 175                 if (hLibrary == NULL)
 176                     break;
 177                 FreeLibrary(pIconContext->hLibrary);
 178                 pIconContext->hLibrary = hLibrary;
 179                 wcscpy(pIconContext->szName, szText);
 180                 EnumResourceNamesW(pIconContext->hLibrary, RT_ICON, EnumPickIconResourceProc, (LPARAM)pIconContext);
 181                 if (PathUnExpandEnvStringsW(pIconContext->szName, szText, MAX_PATH))
 182                     SetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, szText);
 183                 else
 184                     SetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, pIconContext->szName);
 185
 186                 SendMessageW(pIconContext->hDlgCtrl, LB_SETCURSEL, 0, 0);
 187             }
 188             break;
 189         }
 190         break;
 191         case WM_MEASUREITEM:
 192             lpmis = (LPMEASUREITEMSTRUCT) lParam;
 193             lpmis->itemHeight = 32;
 194             lpmis->itemWidth = 64;
 195             return TRUE;
 196         case WM_DRAWITEM:
 197             lpdis = (LPDRAWITEMSTRUCT) lParam;
 198            if (lpdis->itemID == (UINT)-1)
 199             {
 200                 break;
 201             }
 202             switch (lpdis->itemAction)
 203             {
 204                 case ODA_SELECT:
 205                 case ODA_DRAWENTIRE:
 206                     index = SendMessageW(pIconContext->hDlgCtrl, LB_GETCURSEL, 0, 0);
 207                     hIcon =(HICON)SendMessage(lpdis->hwndItem, LB_GETITEMDATA, lpdis->itemID, (LPARAM) 0);
 208
 209                     if (lpdis->itemID == (UINT)index)
 210                     {
 211                         HBRUSH hBrush;
 212                         hBrush = CreateSolidBrush(RGB(0, 0, 255));
 213                         FillRect(lpdis->hDC, &lpdis->rcItem, hBrush);
 214                         DeleteObject(hBrush);
 215                     }
 216                     else
 217                     {
 218                         HBRUSH hBrush;
 219                         hBrush = CreateSolidBrush(RGB(255, 255, 255));
 220                         FillRect(lpdis->hDC, &lpdis->rcItem, hBrush);
 221                         DeleteObject(hBrush);
 222                     }
 223                     DrawIconEx(lpdis->hDC, lpdis->rcItem.left,lpdis->rcItem.top, hIcon,
 224                                 0,
 225                                 0,
 226                                 0,
 227                                 NULL,
 228                                 DI_NORMAL);
 229                     break;
 230             }
 231             break;
 232     }
 233
 234     return FALSE;
 235 }
 236
 237 BOOL WINAPI PickIconDlg(
 238     HWND hwndOwner,
 239     LPWSTR lpstrFile,
 240     UINT nMaxFile,
 241     INT* lpdwIconIndex)
 242 {
 243     HMODULE hLibrary;
 244     int res;
 245     PICK_ICON_CONTEXT IconContext;
 246
 247     hLibrary = LoadLibraryExW(lpstrFile, NULL, LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_IMAGE_RESOURCE);
 248     IconContext.hLibrary = hLibrary;
 249     IconContext.Index = *lpdwIconIndex;
 250     wcscpy(IconContext.szName, lpstrFile);
 251
 252     res = DialogBoxParamW(shell32_hInstance, MAKEINTRESOURCEW(IDD_PICK_ICON), hwndOwner, PickIconProc, (LPARAM)&IconContext);
 253     if (res)
 254     {
 255         wcscpy(lpstrFile, IconContext.szName);
 256         *lpdwIconIndex = IconContext.Index;
 257     }
 258
 259     FreeLibrary(hLibrary);
 260     return res;
 261 }
 262
 263 /*************************************************************************
 264  * RunFileDlg                    [internal]
 265  *
 266  * The Unicode function that is available as ordinal 61 on Windows NT/2000/XP/...
 267  */
 268 void WINAPI RunFileDlg(
 269     HWND hwndOwner,
 270     HICON hIcon,
 271     LPCWSTR lpstrDirectory,
 272     LPCWSTR lpstrTitle,
 273     LPCWSTR lpstrDescription,
 274     UINT uFlags)
 275 {
 276     TRACE("\n");
 277
 278     RUNFILEDLGPARAMS rfdp;
 279     rfdp.hwndOwner        = hwndOwner;
 280     rfdp.hIcon            = hIcon;
 281     rfdp.lpstrDirectory   = lpstrDirectory;
 282     rfdp.lpstrTitle       = lpstrTitle;
 283     rfdp.lpstrDescription = lpstrDescription;
 284     rfdp.uFlags           = uFlags;
 285
 286     DialogBoxParamW(shell32_hInstance, MAKEINTRESOURCEW(IDD_RUN), hwndOwner, RunDlgProc, (LPARAM)&rfdp);
 287
 288 }
 289
 290
 291 /* find the directory that contains the file being run */
 292 static LPWSTR RunDlg_GetParentDir(LPCWSTR cmdline)
 293 {
 294     const WCHAR *src;
 295     WCHAR *dest, *result, *result_end=NULL;
 296     static const WCHAR dotexeW[] = L".exe";
 297
 298     result = (WCHAR *)HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR)*(strlenW(cmdline)+5));
 299
 300     if (NULL == result)
 301     {
 302         TRACE("HeapAlloc couldn't allocate %d bytes\n", sizeof(WCHAR)*(strlenW(cmdline)+5));
 303         return NULL;
 304     }
 305
 306     src = cmdline;
 307     dest = result;
 308
 309     if (*src == '"')
 310     {
 311         src++;
 312         while (*src && *src != '"')
 313         {
 314             if (*src == '\\')
 315                 result_end = dest;
 316             *dest++ = *src++;
 317         }
 318     }
 319     else {
 320         while (*src)
 321         {
 322             if (isspaceW(*src))
 323             {
 324                 *dest = 0;
 325                 if (INVALID_FILE_ATTRIBUTES != GetFileAttributesW(result))
 326                     break;
 327                 strcatW(dest, dotexeW);
 328                 if (INVALID_FILE_ATTRIBUTES != GetFileAttributesW(result))
 329                     break;
 330             }
 331             else if (*src == '\\')
 332                 result_end = dest;
 333             *dest++ = *src++;
 334         }
 335     }
 336
 337     if (result_end)
 338     {
 339         *result_end = 0;
 340         return result;
 341     }
 342     else
 343     {
 344         HeapFree(GetProcessHeap(), 0, result);
 345         return NULL;
 346     }
 347 }
 348
 349
 350 /* Dialog procedure for RunFileDlg */
 351 static INT_PTR CALLBACK RunDlgProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
 352 {
 353     RUNFILEDLGPARAMS *prfdp = (RUNFILEDLGPARAMS *)GetWindowLongPtrW(hwnd, DWLP_USER);
 354
 355     switch (message)
 356     {
 357         case WM_INITDIALOG:
 358             prfdp = (RUNFILEDLGPARAMS *)lParam ;
 359             SetWindowLongPtrW(hwnd, DWLP_USER, (LONG_PTR)prfdp);
 360
 361             if (prfdp->lpstrTitle)
 362                 SetWindowTextW(hwnd, prfdp->lpstrTitle);
 363             if (prfdp->lpstrDescription)
 364                 SetWindowTextW(GetDlgItem(hwnd, IDC_RUNDLG_DESCRIPTION), prfdp->lpstrDescription);
 365             if (prfdp->uFlags & RFF_NOBROWSE)
 366             {
 367                 HWND browse = GetDlgItem(hwnd, IDC_RUNDLG_BROWSE);
 368                 ShowWindow(browse, SW_HIDE);
 369                 EnableWindow(browse, FALSE);
 370             }
 371             if (prfdp->uFlags & RFF_NOLABEL)
 372                 ShowWindow(GetDlgItem(hwnd, IDC_RUNDLG_LABEL), SW_HIDE);
 373             if (prfdp->uFlags & RFF_CALCDIRECTORY)
 374                 FIXME("RFF_CALCDIRECTORY not supported\n");
 375
 376             if (prfdp->hIcon == NULL)
 377                 prfdp->hIcon = LoadIconW(NULL, (LPCWSTR)IDI_WINLOGO);
 378             SendMessageW(hwnd, WM_SETICON, ICON_BIG, (LPARAM)prfdp->hIcon);
 379             SendMessageW(hwnd, WM_SETICON, ICON_SMALL, (LPARAM)prfdp->hIcon);
 380             SendMessageW(GetDlgItem(hwnd, IDC_RUNDLG_ICON), STM_SETICON, (WPARAM)prfdp->hIcon, 0);
 381
 382             FillList (GetDlgItem (hwnd, IDC_RUNDLG_EDITPATH), NULL, (prfdp->uFlags & RFF_NODEFAULT) == 0);
 383             SetFocus (GetDlgItem (hwnd, IDC_RUNDLG_EDITPATH));
 384             return TRUE;
 385
 386         case WM_COMMAND:
 387             switch (LOWORD (wParam))
 388             {
 389                 case IDOK:
 390                 {
 391                     int ic;
 392                     HWND htxt = GetDlgItem (hwnd, IDC_RUNDLG_EDITPATH);
 393                     if ((ic = GetWindowTextLengthW (htxt)))
 394                     {
 395                         WCHAR *psz, *parent = NULL;
 396                         SHELLEXECUTEINFOW sei;
 397
 398                         ZeroMemory (&sei, sizeof(sei));
 399                         sei.cbSize = sizeof(sei);
 400                         psz = (WCHAR *)HeapAlloc(GetProcessHeap(), 0, (ic + 1)*sizeof(WCHAR));
 401
 402                         if (psz)
 403                         {
 404                             GetWindowTextW(htxt, psz, ic + 1);
 405
 406                             /* according to http://www.codeproject.com/KB/shell/runfiledlg.aspx we should send a
 407                              * WM_NOTIFY before execution */
 408
 409                             sei.hwnd = hwnd;
 410                             sei.nShow = SW_SHOWNORMAL;
 411                             sei.lpFile = psz;
 412
 413                             if (prfdp->lpstrDirectory)
 414                                 sei.lpDirectory = prfdp->lpstrDirectory;
 415                             else
 416                                 sei.lpDirectory = parent = RunDlg_GetParentDir(sei.lpFile);
 417
 418                             if (!ShellExecuteExW(&sei))
 419                             {
 420                                 HeapFree(GetProcessHeap(), 0, psz);
 421                                 HeapFree(GetProcessHeap(), 0, parent);
 422                                 SendMessageA (htxt, CB_SETEDITSEL, 0, MAKELPARAM (0, -1));
 423                                 return TRUE;
 424                             }
 425
 426                             /* FillList is still ANSI */
 427                             GetWindowTextA (htxt, (LPSTR)psz, ic + 1);
 428                             FillList (htxt, (LPSTR)psz, FALSE);
 429
 430                             HeapFree(GetProcessHeap(), 0, psz);
 431                             HeapFree(GetProcessHeap(), 0, parent);
 432                             EndDialog (hwnd, 0);
 433                         }
 434                     }
 435                 }
 436
 437                 case IDCANCEL:
 438                     EndDialog (hwnd, 0);
 439                     return TRUE;
 440
 441                 case IDC_RUNDLG_BROWSE:
 442                 {
 443                     HMODULE hComdlg = NULL;
 444                     LPFNOFN ofnProc = NULL;
 445                     static const WCHAR comdlg32W[] = L"comdlg32";
 446                     WCHAR szFName[1024] = {0};
 447                     WCHAR filter[MAX_PATH], szCaption[MAX_PATH];
 448                     OPENFILENAMEW ofn;
 449
 450                     LoadStringW(shell32_hInstance, IDS_RUNDLG_BROWSE_FILTER, filter, MAX_PATH);
 451                     LoadStringW(shell32_hInstance, IDS_RUNDLG_BROWSE_CAPTION, szCaption, MAX_PATH);
 452
 453                     ZeroMemory(&ofn, sizeof(ofn));
 454                     ofn.lStructSize = sizeof(OPENFILENAMEW);
 455                     ofn.hwndOwner = hwnd;
 456                     ofn.lpstrFilter = filter;
 457                     ofn.lpstrFile = szFName;
 458                     ofn.nMaxFile = 1023;
 459                     ofn.lpstrTitle = szCaption;
 460                     ofn.Flags = OFN_ENABLESIZING | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY | OFN_PATHMUSTEXIST;
 461                     ofn.lpstrInitialDir = prfdp->lpstrDirectory;
 462
 463                     if (NULL == (hComdlg = LoadLibraryExW (comdlg32W, NULL, 0)) ||
 464                         NULL == (ofnProc = (LPFNOFN)GetProcAddress (hComdlg, "GetOpenFileNameW")))
 465                     {
 466                         ERR("Couldn't get GetOpenFileName function entry (lib=%p, proc=%p)\n", hComdlg, ofnProc);
 467                         ShellMessageBoxW(shell32_hInstance, hwnd, MAKEINTRESOURCEW(IDS_RUNDLG_BROWSE_ERROR), NULL, MB_OK | MB_ICONERROR);
 468                         return TRUE;
 469                     }
 470
 471                     if (ofnProc(&ofn))
 472                     {
 473                         SetFocus (GetDlgItem (hwnd, IDOK));
 474                         SetWindowTextW (GetDlgItem (hwnd, IDC_RUNDLG_EDITPATH), szFName);
 475                         SendMessageW (GetDlgItem (hwnd, IDC_RUNDLG_EDITPATH), CB_SETEDITSEL, 0, MAKELPARAM (0, -1));
 476                         SetFocus (GetDlgItem (hwnd, IDOK));
 477                     }
 478
 479                     FreeLibrary (hComdlg);
 480
 481                     return TRUE;
 482                 }
 483             }
 484             return TRUE;
 485     }
 486     return FALSE;
 487 }
 488
 489 /* This grabs the MRU list from the registry and fills the combo for the "Run" dialog above */
 490 /* fShowDefault ignored if pszLatest != NULL */
 491 static void FillList(HWND hCb, char *pszLatest, BOOL fShowDefault)
 492 {
 493     HKEY hkey ;
 494 /*    char szDbgMsg[256] = "" ; */
 495     char *pszList = NULL, *pszCmd = NULL, cMatch = 0, cMax = 0x60, szIndex[2] = "-" ;
 496     DWORD icList = 0, icCmd = 0 ;
 497     UINT Nix ;
 498
 499     SendMessageA (hCb, CB_RESETCONTENT, 0, 0) ;
 500
 501     if (ERROR_SUCCESS != RegCreateKeyExA (
 502         HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\RunMRU",
 503         0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL))
 504         MessageBoxA (hCb, "Unable to open registry key !", "Nix", MB_OK) ;
 505
 506     RegQueryValueExA (hkey, "MRUList", NULL, NULL, NULL, &icList) ;
 507
 508     if (icList > 0)
 509     {
 510         pszList = (char *)HeapAlloc( GetProcessHeap(), 0, icList) ;
 511
 512         if (pszList)
 513         {
 514             if (ERROR_SUCCESS != RegQueryValueExA (hkey, "MRUList", NULL, NULL, (LPBYTE)pszList, &icList))
 515                 MessageBoxA (hCb, "Unable to grab MRUList !", "Nix", MB_OK);
 516         }
 517         else
 518         {
 519             TRACE("HeapAlloc failed to allocate %d bytes\n", icList);
 520         }
 521     }
 522     else
 523     {
 524         icList = 1 ;
 525         pszList = (char *)HeapAlloc( GetProcessHeap(), 0, icList) ;
 526         pszList[0] = 0 ;
 527     }
 528
 529     for (Nix = 0 ; Nix < icList - 1 ; Nix++)
 530     {
 531         if (pszList[Nix] > cMax)
 532             cMax = pszList[Nix] ;
 533
 534         szIndex[0] = pszList[Nix] ;
 535
 536         if (ERROR_SUCCESS != RegQueryValueExA (hkey, szIndex, NULL, NULL, NULL, &icCmd))
 537             MessageBoxA (hCb, "Unable to grab size of index", "Nix", MB_OK) ;
 538         if( pszCmd )
 539             pszCmd = (char *)HeapReAlloc(GetProcessHeap(), 0, pszCmd, icCmd) ;
 540         else
 541             pszCmd = (char *)HeapAlloc(GetProcessHeap(), 0, icCmd) ;
 542         if (ERROR_SUCCESS != RegQueryValueExA (hkey, szIndex, NULL, NULL, (LPBYTE)pszCmd, &icCmd))
 543             MessageBoxA (hCb, "Unable to grab index", "Nix", MB_OK) ;
 544
 545         if (NULL != pszLatest)
 546         {
 547             if (!lstrcmpiA(pszCmd, pszLatest))
 548             {
 549                 /*
 550                 sprintf (szDbgMsg, "Found existing (%d).\n", Nix) ;
 551                 MessageBoxA (hCb, szDbgMsg, "Nix", MB_OK) ;
 552                 */
 553                 SendMessageA (hCb, CB_INSERTSTRING, 0, (LPARAM)pszCmd) ;
 554                 SetWindowTextA (hCb, pszCmd) ;
 555                 SendMessageA (hCb, CB_SETEDITSEL, 0, MAKELPARAM (0, -1)) ;
 556
 557                 cMatch = pszList[Nix] ;
 558                 memmove (&pszList[1], pszList, Nix) ;
 559                 pszList[0] = cMatch ;
 560                 continue ;
 561             }
 562         }
 563
 564         if (26 != icList - 1 || icList - 2 != Nix || cMatch || NULL == pszLatest)
 565         {
 566             /*
 567             sprintf (szDbgMsg, "Happily appending (%d).\n", Nix) ;
 568             MessageBoxA (hCb, szDbgMsg, "Nix", MB_OK) ;
 569             */
 570             SendMessageA (hCb, CB_ADDSTRING, 0, (LPARAM)pszCmd) ;
 571             if (!Nix && fShowDefault)
 572             {
 573                 SetWindowTextA (hCb, pszCmd) ;
 574                 SendMessageA (hCb, CB_SETEDITSEL, 0, MAKELPARAM (0, -1)) ;
 575             }
 576         }
 577         else
 578         {
 579             /*
 580             sprintf (szDbgMsg, "Doing loop thing.\n") ;
 581             MessageBoxA (hCb, szDbgMsg, "Nix", MB_OK) ;
 582             */
 583             SendMessageA (hCb, CB_INSERTSTRING, 0, (LPARAM)pszLatest) ;
 584             SetWindowTextA (hCb, pszLatest) ;
 585             SendMessageA (hCb, CB_SETEDITSEL, 0, MAKELPARAM (0, -1)) ;
 586
 587             cMatch = pszList[Nix] ;
 588             memmove (&pszList[1], pszList, Nix) ;
 589             pszList[0] = cMatch ;
 590             szIndex[0] = cMatch ;
 591             RegSetValueExA (hkey, szIndex, 0, REG_SZ, (LPBYTE)pszLatest, strlen (pszLatest) + 1) ;
 592         }
 593     }
 594
 595     if (!cMatch && NULL != pszLatest)
 596     {
 597         /*
 598         sprintf (szDbgMsg, "Simply inserting (increasing list).\n") ;
 599         MessageBoxA (hCb, szDbgMsg, "Nix", MB_OK) ;
 600         */
 601         SendMessageA (hCb, CB_INSERTSTRING, 0, (LPARAM)pszLatest) ;
 602         SetWindowTextA (hCb, pszLatest) ;
 603         SendMessageA (hCb, CB_SETEDITSEL, 0, MAKELPARAM (0, -1)) ;
 604
 605         cMatch = ++cMax ;
 606         if (pszList)
 607             pszList = (char *)HeapReAlloc(GetProcessHeap(), 0, pszList, ++icList) ;
 608         else
 609             pszList = (char *)HeapAlloc(GetProcessHeap(), 0, ++icList) ;
 610
 611         if (pszList)
 612         {
 613             memmove (&pszList[1], pszList, icList - 1) ;
 614             pszList[0] = cMatch ;
 615             szIndex[0] = cMatch ;
 616             RegSetValueExA (hkey, szIndex, 0, REG_SZ, (LPBYTE)pszLatest, strlen (pszLatest) + 1) ;
 617         }
 618         else
 619         {
 620             TRACE("HeapAlloc or HeapReAlloc failed to allocate enough bytes\n");
 621         }
 622     }
 623
 624     RegSetValueExA (hkey, "MRUList", 0, REG_SZ, (LPBYTE)pszList, strlen (pszList) + 1) ;
 625
 626     HeapFree( GetProcessHeap(), 0, pszCmd) ;
 627     HeapFree( GetProcessHeap(), 0, pszList) ;
 628 }
 629
 630
 631 /*************************************************************************
 632  * ConfirmDialog                [internal]
 633  *
 634  * Put up a confirm box, return TRUE if the user confirmed
 635  */
 636 static BOOL ConfirmDialog(HWND hWndOwner, UINT PromptId, UINT TitleId)
 637 {
 638   WCHAR Prompt[256];
 639   WCHAR Title[256];
 640
 641   LoadStringW(shell32_hInstance, PromptId, Prompt, sizeof(Prompt) / sizeof(WCHAR));
 642   LoadStringW(shell32_hInstance, TitleId, Title, sizeof(Title) / sizeof(WCHAR));
 643   return MessageBoxW(hWndOwner, Prompt, Title, MB_YESNO|MB_ICONQUESTION) == IDYES;
 644 }
 645
 646
 647 /*************************************************************************
 648  * RestartDialogEx                [SHELL32.730]
 649  */
 650
 651 int WINAPI RestartDialogEx(HWND hWndOwner, LPCWSTR lpwstrReason, DWORD uFlags, DWORD uReason)
 652 {
 653     TRACE("(%p)\n", hWndOwner);
 654
 655     /* FIXME: use lpwstrReason */
 656     if (ConfirmDialog(hWndOwner, IDS_RESTART_PROMPT, IDS_RESTART_TITLE))
 657     {
 658         HANDLE hToken;
 659         TOKEN_PRIVILEGES npr;
 660
 661         /* enable the shutdown privilege for the current process */
 662         if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken))
 663         {
 664             LookupPrivilegeValueA(0, "SeShutdownPrivilege", &npr.Privileges[0].Luid);
 665             npr.PrivilegeCount = 1;
 666             npr.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
 667             AdjustTokenPrivileges(hToken, FALSE, &npr, 0, 0, 0);
 668             CloseHandle(hToken);
 669         }
 670         ExitWindowsEx(EWX_REBOOT, uReason);
 671     }
 672
 673     return 0;
 674 }
 675
 676
 677 /*************************************************************************
 678  * LogoffWindowsDialog  [SHELL32.54]
 679  */
 680
 681 EXTERN_C int WINAPI LogoffWindowsDialog(HWND hWndOwner)
 682 {
 683     if (ConfirmDialog(hWndOwner, IDS_LOGOFF_PROMPT, IDS_LOGOFF_TITLE))
 684         ExitWindowsEx(EWX_LOGOFF, 0);
 685
 686     return 0;
 687 }
 688
 689
 690 /*************************************************************************
 691  * RestartDialog                [SHELL32.59]
 692  */
 693
 694 int WINAPI RestartDialog(HWND hWndOwner, LPCWSTR lpstrReason, DWORD uFlags)
 695 {
 696     return RestartDialogEx(hWndOwner, lpstrReason, uFlags, 0);
 697 }
 698
 699  /*************************************************************************
 700  * Used to get the shutdown privilege
 701  */
 702 VOID ExitWindows_GetShutdownPrivilege(VOID)
 703 {
 704     HANDLE hToken;
 705     TOKEN_PRIVILEGES npr;
 706
 707     /* enable shut down privilege for current process */
 708     if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken))
 709     {
 710         LookupPrivilegeValueA(0, "SeShutdownPrivilege", &npr.Privileges[0].Luid);
 711
 712         npr.PrivilegeCount = 1;
 713         npr.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
 714         AdjustTokenPrivileges(hToken, FALSE, &npr, 0, 0, 0);
 715
 716         CloseHandle(hToken);
 717     }
 718 }
 719
 720 /*************************************************************************
 721  * ExitWindowsDialog_backup
 722  *
 723  * NOTES
 724  *     used as a backup solution to shutdown the OS in case msgina.dll somehow
 725  *     cannot be found.
 726  */
 727 VOID ExitWindowsDialog_backup(HWND hWndOwner)
 728 {
 729     TRACE("(%p)\n", hWndOwner);
 730
 731     if (ConfirmDialog(hWndOwner, IDS_SHUTDOWN_PROMPT, IDS_SHUTDOWN_TITLE))
 732     {
 733         ExitWindows_GetShutdownPrivilege();
 734         ExitWindowsEx(EWX_SHUTDOWN, 0);
 735     }
 736 }
 737
 738 /*************************************************************************
 739  * ExitWindowsDialog                [SHELL32.60]
 740  *
 741  * NOTES
 742  *     exported by ordinal
 743  */
 744 /*
 745  * TODO:
 746  * - Implement the ability to show either the Welcome Screen or the classic dialog boxes based upon the
 747  *   registry value: SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\LogonType.
 748  */
 749 void WINAPI ExitWindowsDialog(HWND hWndOwner)
 750 {
 751     typedef DWORD (WINAPI *ShellShFunc)(HWND hParent, WCHAR *Username, BOOL bHideLogoff);
 752     HINSTANCE msginaDll = LoadLibraryA("msgina.dll");
 753
 754     TRACE("(%p)\n", hWndOwner);
 755
 756     /* If the DLL cannot be found for any reason, then it simply uses a
 757        dialog box to ask if the user wants to shut down the computer. */
 758     if(!msginaDll)
 759     {
 760         TRACE("Unable to load msgina.dll.\n");
 761         ExitWindowsDialog_backup(hWndOwner);
 762         return;
 763     }
 764
 765     ShellShFunc pShellShutdownDialog = (ShellShFunc) GetProcAddress(msginaDll, "ShellShutdownDialog");
 766
 767     if(pShellShutdownDialog)
 768     {
 769         /* Actually call the function */
 770         DWORD returnValue = pShellShutdownDialog(hWndOwner, NULL, FALSE);
 771
 772         switch(returnValue)
 773         {
 774         case 0x01: /* Log off user */
 775         {
 776             ExitWindowsEx(EWX_LOGOFF, 0);
 777             break;
 778         }
 779         case 0x02: /* Shut down */
 780         {
 781             ExitWindows_GetShutdownPrivilege();
 782             ExitWindowsEx(EWX_SHUTDOWN, 0);
 783             break;
 784         }
 785         case 0x03: /* Install Updates/Shutdown (?) */
 786         {
 787             break;
 788         }
 789         case 0x04: /* Reboot */
 790         {
 791             ExitWindows_GetShutdownPrivilege();
 792             ExitWindowsEx(EWX_REBOOT, 0);
 793             break;
 794         }
 795         case 0x10: /* Sleep */
 796         {
 797             if(IsPwrSuspendAllowed())
 798             {
 799                 ExitWindows_GetShutdownPrivilege();
 800                 SetSuspendState(FALSE, FALSE, FALSE);
 801             }
 802             break;
 803         }
 804         case 0x40: /* Hibernate */
 805         {
 806             if(IsPwrHibernateAllowed())
 807             {
 808                 ExitWindows_GetShutdownPrivilege();
 809                 SetSuspendState(TRUE, FALSE, TRUE);
 810             }
 811             break;
 812         }
 813         /* If the option is any other value */
 814         default:
 815             break;
 816         }
 817     }
 818     else
 819     {
 820         /* If the function cannot be found, then revert to using the backup solution */
 821         TRACE("Unable to find the 'ShellShutdownDialog' function");
 822         FreeLibrary(msginaDll);
 823         ExitWindowsDialog_backup(hWndOwner);
 824     }
 825 }