dlls/appwiz.cpl/appwiz.c

   1 /*
   2  * Add/Remove Programs applet
   3  * Partially based on Wine Uninstaller
   4  *
   5  * Copyright 2000 Andreas Mohr
   6  * Copyright 2004 Hannu Valtonen
   7  * Copyright 2005 Jonathan Ernst
   8  * Copyright 2001-2002, 2008 Owen Rudge
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  *
  24  */
  25
  26 #define NONAMELESSUNION
  27
  28 #include "config.h"
  29 #include "wine/port.h"
  30
  31 #include <string.h>
  32 #include <stdlib.h>
  33 #include <stdarg.h>
  34 #include <stdio.h>
  35 #include <windef.h>
  36 #include <winbase.h>
  37 #include <winuser.h>
  38 #include <wingdi.h>
  39 #include <winreg.h>
  40 #include <shellapi.h>
  41 #include <commctrl.h>
  42 #include <commdlg.h>
  43 #include <cpl.h>
  44
  45 #include "wine/unicode.h"
  46 #include "wine/list.h"
  47 #include "wine/debug.h"
  48 #include "appwiz.h"
  49 #include "res.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL(appwizcpl);
  52
  53 /* define a maximum length for various buffers we use */
  54 #define MAX_STRING_LEN    1024
  55
  56 typedef struct APPINFO
  57 {
  58     struct list entry;
  59     int id;
  60
  61     LPWSTR title;
  62     LPWSTR path;
  63     LPWSTR path_modify;
  64
  65     LPWSTR icon;
  66     int iconIdx;
  67
  68     LPWSTR publisher;
  69     LPWSTR version;
  70
  71     HKEY regroot;
  72     WCHAR regkey[MAX_STRING_LEN];
  73 } APPINFO;
  74
  75 static struct list app_list = LIST_INIT( app_list );
  76 HINSTANCE hInst;
  77
  78 static WCHAR btnRemove[MAX_STRING_LEN];
  79 static WCHAR btnModifyRemove[MAX_STRING_LEN];
  80
  81 static const WCHAR openW[] = {'o','p','e','n',0};
  82
  83 /* names of registry keys */
  84 static const WCHAR BackSlashW[] = { '\\', 0 };
  85 static const WCHAR DisplayNameW[] = {'D','i','s','p','l','a','y','N','a','m','e',0};
  86 static const WCHAR DisplayIconW[] = {'D','i','s','p','l','a','y','I','c','o','n',0};
  87 static const WCHAR DisplayVersionW[] = {'D','i','s','p','l','a','y','V','e','r',
  88     's','i','o','n',0};
  89 static const WCHAR PublisherW[] = {'P','u','b','l','i','s','h','e','r',0};
  90 static const WCHAR ContactW[] = {'C','o','n','t','a','c','t',0};
  91 static const WCHAR HelpLinkW[] = {'H','e','l','p','L','i','n','k',0};
  92 static const WCHAR HelpTelephoneW[] = {'H','e','l','p','T','e','l','e','p','h',
  93     'o','n','e',0};
  94 static const WCHAR ModifyPathW[] = {'M','o','d','i','f','y','P','a','t','h',0};
  95 static const WCHAR NoModifyW[] = {'N','o','M','o','d','i','f','y',0};
  96 static const WCHAR ReadmeW[] = {'R','e','a','d','m','e',0};
  97 static const WCHAR URLUpdateInfoW[] = {'U','R','L','U','p','d','a','t','e','I',
  98     'n','f','o',0};
  99 static const WCHAR CommentsW[] = {'C','o','m','m','e','n','t','s',0};
 100 static const WCHAR UninstallCommandlineW[] = {'U','n','i','n','s','t','a','l','l',
 101     'S','t','r','i','n','g',0};
 102 static const WCHAR WindowsInstallerW[] = {'W','i','n','d','o','w','s','I','n','s','t','a','l','l','e','r',0};
 103 static const WCHAR SystemComponentW[] = {'S','y','s','t','e','m','C','o','m','p','o','n','e','n','t',0};
 104
 105 static const WCHAR PathUninstallW[] = {
 106         'S','o','f','t','w','a','r','e','\\',
 107         'M','i','c','r','o','s','o','f','t','\\',
 108         'W','i','n','d','o','w','s','\\',
 109         'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 110         'U','n','i','n','s','t','a','l','l',0 };
 111
 112 /******************************************************************************
 113  * Name       : DllMain
 114  * Description: Entry point for DLL file
 115  */
 116 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
 117                     LPVOID lpvReserved)
 118 {
 119     TRACE("(%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
 120
 121     switch (fdwReason)
 122     {
 123         case DLL_PROCESS_ATTACH:
 124             hInst = hinstDLL;
 125             break;
 126     }
 127     return TRUE;
 128 }
 129
 130 /******************************************************************************
 131  * Name       : FreeAppInfo
 132  * Description: Frees memory used by an AppInfo structure, and any children.
 133  */
 134 static void FreeAppInfo(APPINFO *info)
 135 {
 136     HeapFree(GetProcessHeap(), 0, info->title);
 137     HeapFree(GetProcessHeap(), 0, info->path);
 138     HeapFree(GetProcessHeap(), 0, info->path_modify);
 139     HeapFree(GetProcessHeap(), 0, info->icon);
 140     HeapFree(GetProcessHeap(), 0, info->publisher);
 141     HeapFree(GetProcessHeap(), 0, info->version);
 142     HeapFree(GetProcessHeap(), 0, info);
 143 }
 144
 145 /******************************************************************************
 146  * Name       : ReadApplicationsFromRegistry
 147  * Description: Creates a linked list of uninstallable applications from the
 148  *              registry.
 149  * Parameters : root    - Which registry root to read from
 150  * Returns    : TRUE if successful, FALSE otherwise
 151  */
 152 static BOOL ReadApplicationsFromRegistry(HKEY root)
 153 {
 154     HKEY hkeyApp;
 155     int i, id = 0;
 156     DWORD sizeOfSubKeyName, displen, uninstlen;
 157     DWORD dwNoModify, dwType, value, size;
 158     WCHAR subKeyName[256];
 159     WCHAR *command;
 160     APPINFO *info = NULL;
 161     LPWSTR iconPtr;
 162
 163     sizeOfSubKeyName = sizeof(subKeyName) / sizeof(subKeyName[0]);
 164
 165     for (i = 0; RegEnumKeyExW(root, i, subKeyName, &sizeOfSubKeyName, NULL,
 166         NULL, NULL, NULL) != ERROR_NO_MORE_ITEMS; ++i)
 167     {
 168         RegOpenKeyExW(root, subKeyName, 0, KEY_READ, &hkeyApp);
 169         size = sizeof(value);
 170         if (!RegQueryValueExW(hkeyApp, SystemComponentW, NULL, &dwType, (LPBYTE)&value, &size)
 171             && dwType == REG_DWORD && value == 1)
 172         {
 173             RegCloseKey(hkeyApp);
 174             sizeOfSubKeyName = sizeof(subKeyName) / sizeof(subKeyName[0]);
 175             continue;
 176         }
 177         displen = 0;
 178         uninstlen = 0;
 179         if (!RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, NULL, &displen))
 180         {
 181             size = sizeof(value);
 182             if (!RegQueryValueExW(hkeyApp, WindowsInstallerW, NULL, &dwType, (LPBYTE)&value, &size)
 183                 && dwType == REG_DWORD && value == 1)
 184             {
 185                 static const WCHAR fmtW[] = {'m','s','i','e','x','e','c',' ','/','x','%','s',0};
 186                 int len = lstrlenW(fmtW) + lstrlenW(subKeyName);
 187
 188                 if (!(command = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)))) goto err;
 189                 wsprintfW(command, fmtW, subKeyName);
 190             }
 191             else if (!RegQueryValueExW(hkeyApp, UninstallCommandlineW, 0, 0, NULL, &uninstlen))
 192             {
 193                 if (!(command = HeapAlloc(GetProcessHeap(), 0, uninstlen))) goto err;
 194                 RegQueryValueExW(hkeyApp, UninstallCommandlineW, 0, 0, (LPBYTE)command, &uninstlen);
 195             }
 196             else
 197             {
 198                 RegCloseKey(hkeyApp);
 199                 sizeOfSubKeyName = sizeof(subKeyName) / sizeof(subKeyName[0]);
 200                 continue;
 201             }
 202
 203             info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct APPINFO));
 204             if (!info) goto err;
 205
 206             info->title = HeapAlloc(GetProcessHeap(), 0, displen);
 207
 208             if (!info->title)
 209                 goto err;
 210
 211             RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, (LPBYTE)info->title,
 212                 &displen);
 213
 214             /* now get DisplayIcon */
 215             displen = 0;
 216             RegQueryValueExW(hkeyApp, DisplayIconW, 0, 0, NULL, &displen);
 217
 218             if (displen == 0)
 219                 info->icon = 0;
 220             else
 221             {
 222                 info->icon = HeapAlloc(GetProcessHeap(), 0, displen);
 223
 224                 if (!info->icon)
 225                     goto err;
 226
 227                 RegQueryValueExW(hkeyApp, DisplayIconW, 0, 0, (LPBYTE)info->icon,
 228                     &displen);
 229
 230                 /* separate the index from the icon name, if supplied */
 231                 iconPtr = strchrW(info->icon, ',');
 232
 233                 if (iconPtr)
 234                 {
 235                     *iconPtr++ = 0;
 236                     info->iconIdx = atoiW(iconPtr);
 237                 }
 238             }
 239
 240             /* publisher, version */
 241             if (RegQueryValueExW(hkeyApp, PublisherW, 0, 0, NULL, &displen) ==
 242                 ERROR_SUCCESS)
 243             {
 244                 info->publisher = HeapAlloc(GetProcessHeap(), 0, displen);
 245
 246                 if (!info->publisher)
 247                     goto err;
 248
 249                 RegQueryValueExW(hkeyApp, PublisherW, 0, 0, (LPBYTE)info->publisher,
 250                     &displen);
 251             }
 252
 253             if (RegQueryValueExW(hkeyApp, DisplayVersionW, 0, 0, NULL, &displen) ==
 254                 ERROR_SUCCESS)
 255             {
 256                 info->version = HeapAlloc(GetProcessHeap(), 0, displen);
 257
 258                 if (!info->version)
 259                     goto err;
 260
 261                 RegQueryValueExW(hkeyApp, DisplayVersionW, 0, 0, (LPBYTE)info->version,
 262                     &displen);
 263             }
 264
 265             /* Check if NoModify is set */
 266             dwType = REG_DWORD;
 267             dwNoModify = 0;
 268             displen = sizeof(DWORD);
 269
 270             if (RegQueryValueExW(hkeyApp, NoModifyW, NULL, &dwType, (LPBYTE)&dwNoModify, &displen)
 271                 != ERROR_SUCCESS)
 272             {
 273                 dwNoModify = 0;
 274             }
 275
 276             /* Some installers incorrectly create a REG_SZ instead of a REG_DWORD */
 277             if (dwType == REG_SZ)
 278                 dwNoModify = (*(BYTE *)&dwNoModify == '1');
 279
 280             /* Fetch the modify path */
 281             if (!dwNoModify)
 282             {
 283                 size = sizeof(value);
 284                 if (!RegQueryValueExW(hkeyApp, WindowsInstallerW, NULL, &dwType, (LPBYTE)&value, &size)
 285                     && dwType == REG_DWORD && value == 1)
 286                 {
 287                     static const WCHAR fmtW[] = {'m','s','i','e','x','e','c',' ','/','i','%','s',0};
 288                     int len = lstrlenW(fmtW) + lstrlenW(subKeyName);
 289
 290                     if (!(info->path_modify = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)))) goto err;
 291                     wsprintfW(info->path_modify, fmtW, subKeyName);
 292                 }
 293                 else if (!RegQueryValueExW(hkeyApp, ModifyPathW, 0, 0, NULL, &displen))
 294                 {
 295                     if (!(info->path_modify = HeapAlloc(GetProcessHeap(), 0, displen))) goto err;
 296                     RegQueryValueExW(hkeyApp, ModifyPathW, 0, 0, (LPBYTE)info->path_modify, &displen);
 297                 }
 298             }
 299
 300             /* registry key */
 301             info->regroot = root;
 302             lstrcpyW(info->regkey, subKeyName);
 303             info->path = command;
 304
 305             info->id = id++;
 306             list_add_tail( &app_list, &info->entry );
 307         }
 308
 309         RegCloseKey(hkeyApp);
 310         sizeOfSubKeyName = sizeof(subKeyName) / sizeof(subKeyName[0]);
 311     }
 312
 313     return TRUE;
 314 err:
 315     RegCloseKey(hkeyApp);
 316     if (info) FreeAppInfo(info);
 317     HeapFree(GetProcessHeap(), 0, command);
 318     return FALSE;
 319 }
 320
 321
 322 /******************************************************************************
 323  * Name       : AddApplicationsToList
 324  * Description: Populates the list box with applications.
 325  * Parameters : hWnd    - Handle of the dialog box
 326  */
 327 static void AddApplicationsToList(HWND hWnd, HIMAGELIST hList)
 328 {
 329     APPINFO *iter;
 330     LVITEMW lvItem;
 331     HICON hIcon;
 332     int index;
 333
 334     LIST_FOR_EACH_ENTRY( iter, &app_list, APPINFO, entry )
 335     {
 336         if (!iter->title[0]) continue;
 337
 338         /* get the icon */
 339         index = 0;
 340
 341         if (iter->icon)
 342         {
 343             if (ExtractIconExW(iter->icon, iter->iconIdx, NULL, &hIcon, 1) == 1)
 344             {
 345                 index = ImageList_AddIcon(hList, hIcon);
 346                 DestroyIcon(hIcon);
 347             }
 348         }
 349
 350         lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
 351         lvItem.iItem = iter->id;
 352         lvItem.iSubItem = 0;
 353         lvItem.pszText = iter->title;
 354         lvItem.iImage = index;
 355         lvItem.lParam = iter->id;
 356
 357         index = ListView_InsertItemW(hWnd, &lvItem);
 358
 359         /* now add the subitems (columns) */
 360         ListView_SetItemTextW(hWnd, index, 1, iter->publisher);
 361         ListView_SetItemTextW(hWnd, index, 2, iter->version);
 362     }
 363 }
 364
 365 /******************************************************************************
 366  * Name       : RemoveItemsFromList
 367  * Description: Clears the application list box.
 368  * Parameters : hWnd    - Handle of the dialog box
 369  */
 370 static void RemoveItemsFromList(HWND hWnd)
 371 {
 372     SendDlgItemMessageW(hWnd, IDL_PROGRAMS, LVM_DELETEALLITEMS, 0, 0);
 373 }
 374
 375 /******************************************************************************
 376  * Name       : EmptyList
 377  * Description: Frees memory used by the application linked list.
 378  */
 379 static inline void EmptyList(void)
 380 {
 381     APPINFO *info, *next;
 382     LIST_FOR_EACH_ENTRY_SAFE( info, next, &app_list, APPINFO, entry )
 383     {
 384         list_remove( &info->entry );
 385         FreeAppInfo( info );
 386     }
 387 }
 388
 389 /******************************************************************************
 390  * Name       : UpdateButtons
 391  * Description: Enables/disables the Add/Remove button depending on current
 392  *              selection in list box.
 393  * Parameters : hWnd    - Handle of the dialog box
 394  */
 395 static void UpdateButtons(HWND hWnd)
 396 {
 397     APPINFO *iter;
 398     LVITEMW lvItem;
 399     LRESULT selitem = SendDlgItemMessageW(hWnd, IDL_PROGRAMS, LVM_GETNEXTITEM, -1,
 400        LVNI_FOCUSED | LVNI_SELECTED);
 401     BOOL enable_modify = FALSE;
 402
 403     if (selitem != -1)
 404     {
 405         lvItem.iItem = selitem;
 406         lvItem.mask = LVIF_PARAM;
 407
 408         if (SendDlgItemMessageW(hWnd, IDL_PROGRAMS, LVM_GETITEMW, 0, (LPARAM) &lvItem))
 409         {
 410             LIST_FOR_EACH_ENTRY( iter, &app_list, APPINFO, entry )
 411             {
 412                 if (iter->id == lvItem.lParam)
 413                 {
 414                     /* Decide whether to display Modify/Remove as one button or two */
 415                     enable_modify = (iter->path_modify != NULL);
 416
 417                     /* Update title as appropriate */
 418                     if (iter->path_modify == NULL)
 419                         SetWindowTextW(GetDlgItem(hWnd, IDC_ADDREMOVE), btnModifyRemove);
 420                     else
 421                         SetWindowTextW(GetDlgItem(hWnd, IDC_ADDREMOVE), btnRemove);
 422
 423                     break;
 424                 }
 425             }
 426         }
 427     }
 428
 429     /* Enable/disable other buttons if necessary */
 430     EnableWindow(GetDlgItem(hWnd, IDC_ADDREMOVE), (selitem != -1));
 431     EnableWindow(GetDlgItem(hWnd, IDC_SUPPORT_INFO), (selitem != -1));
 432     EnableWindow(GetDlgItem(hWnd, IDC_MODIFY), enable_modify);
 433 }
 434
 435 /******************************************************************************
 436  * Name       : InstallProgram
 437  * Description: Search for potential Installer and execute it.
 438  * Parameters : hWnd    - Handle of the dialog box
 439  */
 440 static void InstallProgram(HWND hWnd)
 441 {
 442     static const WCHAR filters[] = {'%','s','%','c','*','i','n','s','t','a','l','*','.','e','x','e',';','*','s','e','t','u','p','*','.','e','x','e',';','*','.','m','s','i','%','c','%','s','%','c','*','.','e','x','e','%','c','%','s','%','c','*','.','*','%','c',0}
 443 ;
 444     OPENFILENAMEW ofn;
 445     WCHAR titleW[MAX_STRING_LEN];
 446     WCHAR filter_installs[MAX_STRING_LEN];
 447     WCHAR filter_programs[MAX_STRING_LEN];
 448     WCHAR filter_all[MAX_STRING_LEN];
 449     WCHAR FilterBufferW[MAX_PATH];
 450     WCHAR FileNameBufferW[MAX_PATH];
 451
 452     LoadStringW(hInst, IDS_CPL_TITLE, titleW, sizeof(titleW)/sizeof(WCHAR));
 453     LoadStringW(hInst, IDS_FILTER_INSTALLS, filter_installs, sizeof(filter_installs)/sizeof(WCHAR));
 454     LoadStringW(hInst, IDS_FILTER_PROGRAMS, filter_programs, sizeof(filter_programs)/sizeof(WCHAR));
 455     LoadStringW(hInst, IDS_FILTER_ALL, filter_all, sizeof(filter_all)/sizeof(WCHAR));
 456
 457     snprintfW( FilterBufferW, MAX_PATH, filters, filter_installs, 0, 0,
 458                filter_programs, 0, 0, filter_all, 0, 0 );
 459     memset(&ofn, 0, sizeof(OPENFILENAMEW));
 460     ofn.lStructSize = sizeof(OPENFILENAMEW);
 461     ofn.hwndOwner = hWnd;
 462     ofn.hInstance = hInst;
 463     ofn.lpstrFilter = FilterBufferW;
 464     ofn.nFilterIndex = 0;
 465     ofn.lpstrFile = FileNameBufferW;
 466     ofn.nMaxFile = MAX_PATH;
 467     ofn.lpstrFileTitle = NULL;
 468     ofn.nMaxFileTitle = 0;
 469     ofn.lpstrTitle = titleW;
 470     ofn.Flags = OFN_HIDEREADONLY | OFN_ENABLESIZING;
 471     FileNameBufferW[0] = 0;
 472
 473     if (GetOpenFileNameW(&ofn))
 474     {
 475         SHELLEXECUTEINFOW sei;
 476         memset(&sei, 0, sizeof(sei));
 477         sei.cbSize = sizeof(sei);
 478         sei.lpVerb = openW;
 479         sei.nShow = SW_SHOWDEFAULT;
 480         sei.fMask = 0;
 481         sei.lpFile = ofn.lpstrFile;
 482
 483         ShellExecuteExW(&sei);
 484     }
 485 }
 486
 487 /******************************************************************************
 488  * Name       : UninstallProgram
 489  * Description: Executes the specified program's installer.
 490  * Parameters : id      - the internal ID of the installer to remove
 491  * Parameters : button  - ID of button pressed (Modify or Remove)
 492  */
 493 static void UninstallProgram(int id, DWORD button)
 494 {
 495     APPINFO *iter;
 496     STARTUPINFOW si;
 497     PROCESS_INFORMATION info;
 498     WCHAR errormsg[MAX_STRING_LEN];
 499     WCHAR sUninstallFailed[MAX_STRING_LEN];
 500     HKEY hkey;
 501     BOOL res;
 502
 503     LoadStringW(hInst, IDS_UNINSTALL_FAILED, sUninstallFailed,
 504         sizeof(sUninstallFailed) / sizeof(sUninstallFailed[0]));
 505
 506     LIST_FOR_EACH_ENTRY( iter, &app_list, APPINFO, entry )
 507     {
 508         if (iter->id == id)
 509         {
 510             TRACE("Uninstalling %s (%s)\n", wine_dbgstr_w(iter->title),
 511                 wine_dbgstr_w(iter->path));
 512
 513             memset(&si, 0, sizeof(STARTUPINFOW));
 514             si.cb = sizeof(STARTUPINFOW);
 515             si.wShowWindow = SW_NORMAL;
 516
 517             res = CreateProcessW(NULL, (button == IDC_MODIFY) ? iter->path_modify : iter->path,
 518                 NULL, NULL, FALSE, 0, NULL, NULL, &si, &info);
 519
 520             if (res)
 521             {
 522                 CloseHandle(info.hThread);
 523
 524                 /* wait for the process to exit */
 525                 WaitForSingleObject(info.hProcess, INFINITE);
 526                 CloseHandle(info.hProcess);
 527             }
 528             else
 529             {
 530                 wsprintfW(errormsg, sUninstallFailed, iter->path);
 531
 532                 if (MessageBoxW(0, errormsg, iter->title, MB_YESNO |
 533                     MB_ICONQUESTION) == IDYES)
 534                 {
 535                     /* delete the application's uninstall entry */
 536                     RegOpenKeyExW(iter->regroot, PathUninstallW, 0, KEY_READ, &hkey);
 537                     RegDeleteKeyW(hkey, iter->regkey);
 538                     RegCloseKey(hkey);
 539                 }
 540             }
 541
 542             break;
 543         }
 544     }
 545 }
 546
 547 /**********************************************************************************
 548  * Name       : SetInfoDialogText
 549  * Description: Sets the text of a label in a window, based upon a registry entry
 550  *              or string passed to the function.
 551  * Parameters : hKey         - registry entry to read from, NULL if not reading
 552  *                             from registry
 553  *              lpKeyName    - key to read from, or string to check if hKey is NULL
 554  *              lpAltMessage - alternative message if entry not found
 555  *              hWnd         - handle of dialog box
 556  *              iDlgItem     - ID of label in dialog box
 557  */
 558 static void SetInfoDialogText(HKEY hKey, LPCWSTR lpKeyName, LPCWSTR lpAltMessage,
 559   HWND hWnd, int iDlgItem)
 560 {
 561     WCHAR buf[MAX_STRING_LEN];
 562     DWORD buflen;
 563     HWND hWndDlgItem;
 564
 565     hWndDlgItem = GetDlgItem(hWnd, iDlgItem);
 566
 567     /* if hKey is null, lpKeyName contains the string we want to check */
 568     if (hKey == NULL)
 569     {
 570         if (lpKeyName && lpKeyName[0])
 571             SetWindowTextW(hWndDlgItem, lpKeyName);
 572         else
 573             SetWindowTextW(hWndDlgItem, lpAltMessage);
 574     }
 575     else
 576     {
 577         buflen = MAX_STRING_LEN;
 578
 579         if ((RegQueryValueExW(hKey, lpKeyName, 0, 0, (LPBYTE) buf, &buflen) ==
 580            ERROR_SUCCESS) && buf[0])
 581             SetWindowTextW(hWndDlgItem, buf);
 582         else
 583             SetWindowTextW(hWndDlgItem, lpAltMessage);
 584     }
 585 }
 586
 587 /******************************************************************************
 588  * Name       : SupportInfoDlgProc
 589  * Description: Callback procedure for support info dialog
 590  * Parameters : hWnd    - hWnd of the window
 591  *              msg     - reason for calling function
 592  *              wParam  - additional parameter
 593  *              lParam  - additional parameter
 594  * Returns    : Depends on the message
 595  */
 596 static INT_PTR CALLBACK SupportInfoDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 597 {
 598     APPINFO *iter;
 599     HKEY hkey;
 600     WCHAR oldtitle[MAX_STRING_LEN];
 601     WCHAR buf[MAX_STRING_LEN];
 602     WCHAR key[MAX_STRING_LEN];
 603     WCHAR notfound[MAX_STRING_LEN];
 604
 605     switch(msg)
 606     {
 607         case WM_INITDIALOG:
 608             LIST_FOR_EACH_ENTRY( iter, &app_list, APPINFO, entry )
 609             {
 610                 if (iter->id == (int) lParam)
 611                 {
 612                     lstrcpyW(key, PathUninstallW);
 613                     lstrcatW(key, BackSlashW);
 614                     lstrcatW(key, iter->regkey);
 615
 616                     /* check the application's registry entries */
 617                     RegOpenKeyExW(iter->regroot, key, 0, KEY_READ, &hkey);
 618
 619                     /* Load our "not specified" string */
 620                     LoadStringW(hInst, IDS_NOT_SPECIFIED, notfound,
 621                         sizeof(notfound) / sizeof(notfound[0]));
 622
 623                     /* Update the data for items already read into the structure */
 624                     SetInfoDialogText(NULL, iter->publisher, notfound, hWnd,
 625                         IDC_INFO_PUBLISHER);
 626                     SetInfoDialogText(NULL, iter->version, notfound, hWnd,
 627                         IDC_INFO_VERSION);
 628
 629                     /* And now update the data for those items in the registry */
 630                     SetInfoDialogText(hkey, ContactW, notfound, hWnd,
 631                         IDC_INFO_CONTACT);
 632                     SetInfoDialogText(hkey, HelpLinkW, notfound, hWnd,
 633                         IDC_INFO_SUPPORT);
 634                     SetInfoDialogText(hkey, HelpTelephoneW, notfound, hWnd,
 635                         IDC_INFO_PHONE);
 636                     SetInfoDialogText(hkey, ReadmeW, notfound, hWnd,
 637                         IDC_INFO_README);
 638                     SetInfoDialogText(hkey, URLUpdateInfoW, notfound, hWnd,
 639                         IDC_INFO_UPDATES);
 640                     SetInfoDialogText(hkey, CommentsW, notfound, hWnd,
 641                         IDC_INFO_COMMENTS);
 642
 643                     /* Update the main label with the app name */
 644                     if (GetWindowTextW(GetDlgItem(hWnd, IDC_INFO_LABEL), oldtitle,
 645                         MAX_STRING_LEN) != 0)
 646                     {
 647                         wsprintfW(buf, oldtitle, iter->title);
 648                         SetWindowTextW(GetDlgItem(hWnd, IDC_INFO_LABEL), buf);
 649                     }
 650
 651                     RegCloseKey(hkey);
 652
 653                     break;
 654                 }
 655             }
 656
 657             return TRUE;
 658
 659         case WM_DESTROY:
 660             return 0;
 661
 662         case WM_COMMAND:
 663             switch (LOWORD(wParam))
 664             {
 665                 case IDOK:
 666                     EndDialog(hWnd, TRUE);
 667                     break;
 668
 669             }
 670
 671             return TRUE;
 672     }
 673
 674     return FALSE;
 675 }
 676
 677 /******************************************************************************
 678  * Name       : SupportInfo
 679  * Description: Displays the Support Information dialog
 680  * Parameters : hWnd    - Handle of the main dialog
 681  *              id      - ID of the application to display information for
 682  */
 683 static void SupportInfo(HWND hWnd, int id)
 684 {
 685     DialogBoxParamW(hInst, MAKEINTRESOURCEW(IDD_INFO), hWnd, SupportInfoDlgProc, id);
 686 }
 687
 688 /* Definition of column headers for AddListViewColumns function */
 689 typedef struct AppWizColumn {
 690    int width;
 691    int fmt;
 692    int title;
 693 } AppWizColumn;
 694
 695 static const AppWizColumn columns[] = {
 696     {200, LVCFMT_LEFT, IDS_COLUMN_NAME},
 697     {150, LVCFMT_LEFT, IDS_COLUMN_PUBLISHER},
 698     {100, LVCFMT_LEFT, IDS_COLUMN_VERSION},
 699 };
 700
 701 /******************************************************************************
 702  * Name       : AddListViewColumns
 703  * Description: Adds column headers to the list view control.
 704  * Parameters : hWnd    - Handle of the list view control.
 705  * Returns    : TRUE if completed successfully, FALSE otherwise.
 706  */
 707 static BOOL AddListViewColumns(HWND hWnd)
 708 {
 709     WCHAR buf[MAX_STRING_LEN];
 710     LVCOLUMNW lvc;
 711     UINT i;
 712
 713     lvc.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_WIDTH;
 714
 715     /* Add the columns */
 716     for (i = 0; i < sizeof(columns) / sizeof(columns[0]); i++)
 717     {
 718         lvc.iSubItem = i;
 719         lvc.pszText = buf;
 720
 721         /* set width and format */
 722         lvc.cx = columns[i].width;
 723         lvc.fmt = columns[i].fmt;
 724
 725         LoadStringW(hInst, columns[i].title, buf, sizeof(buf) / sizeof(buf[0]));
 726
 727         if (ListView_InsertColumnW(hWnd, i, &lvc) == -1)
 728             return FALSE;
 729     }
 730
 731     return TRUE;
 732 }
 733
 734 /******************************************************************************
 735  * Name       : AddListViewImageList
 736  * Description: Creates an ImageList for the list view control.
 737  * Parameters : hWnd    - Handle of the list view control.
 738  * Returns    : Handle of the image list.
 739  */
 740 static HIMAGELIST AddListViewImageList(HWND hWnd)
 741 {
 742     HIMAGELIST hSmall;
 743     HICON hDefaultIcon;
 744
 745     hSmall = ImageList_Create(GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON),
 746                               ILC_COLOR32 | ILC_MASK, 1, 1);
 747
 748     /* Add default icon to image list */
 749     hDefaultIcon = LoadIconW(hInst, MAKEINTRESOURCEW(ICO_MAIN));
 750     ImageList_AddIcon(hSmall, hDefaultIcon);
 751     DestroyIcon(hDefaultIcon);
 752
 753     SendMessageW(hWnd, LVM_SETIMAGELIST, LVSIL_SMALL, (LPARAM)hSmall);
 754
 755     return hSmall;
 756 }
 757
 758 /******************************************************************************
 759  * Name       : ResetApplicationList
 760  * Description: Empties the app list, if need be, and recreates it.
 761  * Parameters : bFirstRun  - TRUE if this is the first time this is run, FALSE otherwise
 762  *              hWnd       - handle of the dialog box
 763  *              hImageList - handle of the image list
 764  * Returns    : New handle of the image list.
 765  */
 766 static HIMAGELIST ResetApplicationList(BOOL bFirstRun, HWND hWnd, HIMAGELIST hImageList)
 767 {
 768     static const BOOL is_64bit = sizeof(void *) > sizeof(int);
 769     HWND hWndListView;
 770     HKEY hkey;
 771
 772     hWndListView = GetDlgItem(hWnd, IDL_PROGRAMS);
 773
 774     /* if first run, create the image list and add the listview columns */
 775     if (bFirstRun)
 776     {
 777         if (!AddListViewColumns(hWndListView))
 778             return NULL;
 779     }
 780     else /* we need to remove the existing things first */
 781     {
 782         RemoveItemsFromList(hWnd);
 783         ImageList_Destroy(hImageList);
 784
 785         /* reset the list, since it's probably changed if the uninstallation was
 786            successful */
 787         EmptyList();
 788     }
 789
 790     /* now create the image list and add the applications to the listview */
 791     hImageList = AddListViewImageList(hWndListView);
 792
 793     if (!RegOpenKeyExW(HKEY_LOCAL_MACHINE, PathUninstallW, 0, KEY_READ, &hkey))
 794     {
 795         ReadApplicationsFromRegistry(hkey);
 796         RegCloseKey(hkey);
 797     }
 798     if (is_64bit &&
 799         !RegOpenKeyExW(HKEY_LOCAL_MACHINE, PathUninstallW, 0, KEY_READ|KEY_WOW64_32KEY, &hkey))
 800     {
 801         ReadApplicationsFromRegistry(hkey);
 802         RegCloseKey(hkey);
 803     }
 804     if (!RegOpenKeyExW(HKEY_CURRENT_USER, PathUninstallW, 0, KEY_READ, &hkey))
 805     {
 806         ReadApplicationsFromRegistry(hkey);
 807         RegCloseKey(hkey);
 808     }
 809
 810     AddApplicationsToList(hWndListView, hImageList);
 811     UpdateButtons(hWnd);
 812
 813     return(hImageList);
 814 }
 815
 816 /******************************************************************************
 817  * Name       : MainDlgProc
 818  * Description: Callback procedure for main tab
 819  * Parameters : hWnd    - hWnd of the window
 820  *              msg     - reason for calling function
 821  *              wParam  - additional parameter
 822  *              lParam  - additional parameter
 823  * Returns    : Depends on the message
 824  */
 825 static INT_PTR CALLBACK MainDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 826 {
 827     int selitem;
 828     static HIMAGELIST hImageList;
 829     LPNMHDR nmh;
 830     LVITEMW lvItem;
 831
 832     switch(msg)
 833     {
 834         case WM_INITDIALOG:
 835             hImageList = ResetApplicationList(TRUE, hWnd, hImageList);
 836
 837             if (!hImageList)
 838                 return FALSE;
 839
 840             return TRUE;
 841
 842         case WM_DESTROY:
 843             RemoveItemsFromList(hWnd);
 844             ImageList_Destroy(hImageList);
 845
 846             EmptyList();
 847
 848             return 0;
 849
 850         case WM_NOTIFY:
 851             nmh = (LPNMHDR) lParam;
 852
 853             switch (nmh->idFrom)
 854             {
 855                 case IDL_PROGRAMS:
 856                     switch (nmh->code)
 857                     {
 858                         case LVN_ITEMCHANGED:
 859                             UpdateButtons(hWnd);
 860                             break;
 861                     }
 862                     break;
 863             }
 864
 865             return TRUE;
 866
 867         case WM_COMMAND:
 868             switch (LOWORD(wParam))
 869             {
 870                 case IDC_INSTALL:
 871                     InstallProgram(hWnd);
 872                     break;
 873
 874                 case IDC_ADDREMOVE:
 875                 case IDC_MODIFY:
 876                     selitem = SendDlgItemMessageW(hWnd, IDL_PROGRAMS,
 877                         LVM_GETNEXTITEM, -1, LVNI_FOCUSED|LVNI_SELECTED);
 878
 879                     if (selitem != -1)
 880                     {
 881                         lvItem.iItem = selitem;
 882                         lvItem.mask = LVIF_PARAM;
 883
 884                         if (SendDlgItemMessageW(hWnd, IDL_PROGRAMS, LVM_GETITEMW,
 885                           0, (LPARAM) &lvItem))
 886                             UninstallProgram(lvItem.lParam, LOWORD(wParam));
 887                     }
 888
 889                     hImageList = ResetApplicationList(FALSE, hWnd, hImageList);
 890
 891                     break;
 892
 893                 case IDC_SUPPORT_INFO:
 894                     selitem = SendDlgItemMessageW(hWnd, IDL_PROGRAMS,
 895                         LVM_GETNEXTITEM, -1, LVNI_FOCUSED | LVNI_SELECTED);
 896
 897                     if (selitem != -1)
 898                     {
 899                         lvItem.iItem = selitem;
 900                         lvItem.mask = LVIF_PARAM;
 901
 902                         if (SendDlgItemMessageW(hWnd, IDL_PROGRAMS, LVM_GETITEMW,
 903                           0, (LPARAM) &lvItem))
 904                             SupportInfo(hWnd, lvItem.lParam);
 905                     }
 906
 907                     break;
 908             }
 909
 910             return TRUE;
 911     }
 912
 913     return FALSE;
 914 }
 915
 916 static int CALLBACK propsheet_callback( HWND hwnd, UINT msg, LPARAM lparam )
 917 {
 918     switch (msg)
 919     {
 920     case PSCB_INITIALIZED:
 921         SendMessageW( hwnd, WM_SETICON, ICON_BIG, (LPARAM)LoadIconW( hInst, MAKEINTRESOURCEW(ICO_MAIN) ));
 922         break;
 923     }
 924     return 0;
 925 }
 926
 927 /******************************************************************************
 928  * Name       : StartApplet
 929  * Description: Main routine for applet
 930  * Parameters : hWnd    - hWnd of the Control Panel
 931  */
 932 static void StartApplet(HWND hWnd)
 933 {
 934     PROPSHEETPAGEW psp;
 935     PROPSHEETHEADERW psh;
 936     WCHAR tab_title[MAX_STRING_LEN], app_title[MAX_STRING_LEN];
 937
 938     /* Load the strings we will use */
 939     LoadStringW(hInst, IDS_TAB1_TITLE, tab_title, sizeof(tab_title) / sizeof(tab_title[0]));
 940     LoadStringW(hInst, IDS_CPL_TITLE, app_title, sizeof(app_title) / sizeof(app_title[0]));
 941     LoadStringW(hInst, IDS_REMOVE, btnRemove, sizeof(btnRemove) / sizeof(btnRemove[0]));
 942     LoadStringW(hInst, IDS_MODIFY_REMOVE, btnModifyRemove, sizeof(btnModifyRemove) / sizeof(btnModifyRemove[0]));
 943
 944     /* Fill out the PROPSHEETPAGE */
 945     psp.dwSize = sizeof (PROPSHEETPAGEW);
 946     psp.dwFlags = PSP_USETITLE;
 947     psp.hInstance = hInst;
 948     psp.u.pszTemplate = MAKEINTRESOURCEW (IDD_MAIN);
 949     psp.u2.pszIcon = NULL;
 950     psp.pfnDlgProc = MainDlgProc;
 951     psp.pszTitle = tab_title;
 952     psp.lParam = 0;
 953
 954     /* Fill out the PROPSHEETHEADER */
 955     psh.dwSize = sizeof (PROPSHEETHEADERW);
 956     psh.dwFlags = PSH_PROPSHEETPAGE | PSH_USEICONID | PSH_USECALLBACK;
 957     psh.hwndParent = hWnd;
 958     psh.hInstance = hInst;
 959     psh.u.pszIcon = MAKEINTRESOURCEW(ICO_MAIN);
 960     psh.pszCaption = app_title;
 961     psh.nPages = 1;
 962     psh.u3.ppsp = &psp;
 963     psh.pfnCallback = propsheet_callback;
 964     psh.u2.nStartPage = 0;
 965
 966     /* Display the property sheet */
 967     PropertySheetW (&psh);
 968 }
 969
 970 static LONG start_params(const WCHAR *params)
 971 {
 972     static const WCHAR install_geckoW[] = {'i','n','s','t','a','l','l','_','g','e','c','k','o',0};
 973     static const WCHAR install_monoW[] = {'i','n','s','t','a','l','l','_','m','o','n','o',0};
 974
 975     if(!params)
 976         return FALSE;
 977
 978     if(!strcmpW(params, install_geckoW)) {
 979         install_addon(ADDON_GECKO);
 980         return TRUE;
 981     }
 982
 983     if(!strcmpW(params, install_monoW)) {
 984         install_addon(ADDON_MONO);
 985         return TRUE;
 986     }
 987
 988     WARN("unknown param %s\n", debugstr_w(params));
 989     return FALSE;
 990 }
 991
 992 /******************************************************************************
 993  * Name       : CPlApplet
 994  * Description: Entry point for Control Panel applets
 995  * Parameters : hwndCPL - hWnd of the Control Panel
 996  *              message - reason for calling function
 997  *              lParam1 - additional parameter
 998  *              lParam2 - additional parameter
 999  * Returns    : Depends on the message
1000  */
1001 LONG CALLBACK CPlApplet(HWND hwndCPL, UINT message, LPARAM lParam1, LPARAM lParam2)
1002 {
1003     INITCOMMONCONTROLSEX iccEx;
1004
1005     switch (message)
1006     {
1007         case CPL_INIT:
1008             iccEx.dwSize = sizeof(iccEx);
1009             iccEx.dwICC = ICC_LISTVIEW_CLASSES | ICC_TAB_CLASSES | ICC_LINK_CLASS;
1010
1011             InitCommonControlsEx(&iccEx);
1012
1013             return TRUE;
1014
1015         case CPL_GETCOUNT:
1016             return 1;
1017
1018         case CPL_STARTWPARMSW:
1019             return start_params((const WCHAR *)lParam2);
1020
1021         case CPL_INQUIRE:
1022         {
1023             CPLINFO *appletInfo = (CPLINFO *) lParam2;
1024
1025             appletInfo->idIcon = ICO_MAIN;
1026             appletInfo->idName = IDS_CPL_TITLE;
1027             appletInfo->idInfo = IDS_CPL_DESC;
1028             appletInfo->lData = 0;
1029
1030             break;
1031         }
1032
1033         case CPL_DBLCLK:
1034             StartApplet(hwndCPL);
1035             break;
1036     }
1037
1038     return FALSE;
1039 }