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     return FALSE;
 318 }
 319
 320
 321 /******************************************************************************
 322  * Name       : AddApplicationsToList
 323  * Description: Populates the list box with applications.
 324  * Parameters : hWnd    - Handle of the dialog box
 325  */
 326 static void AddApplicationsToList(HWND hWnd, HIMAGELIST hList)
 327 {
 328     APPINFO *iter;
 329     LVITEMW lvItem;
 330     HICON hIcon;
 331     int index;
 332
 333     LIST_FOR_EACH_ENTRY( iter, &app_list, APPINFO, entry )
 334     {
 335         if (!iter->title[0]) continue;
 336
 337         /* get the icon */
 338         index = 0;
 339
 340         if (iter->icon)
 341         {
 342             if (ExtractIconExW(iter->icon, iter->iconIdx, NULL, &hIcon, 1) == 1)
 343             {
 344                 index = ImageList_AddIcon(hList, hIcon);
 345                 DestroyIcon(hIcon);
 346             }
 347         }
 348
 349         lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
 350         lvItem.iItem = iter->id;
 351         lvItem.iSubItem = 0;
 352         lvItem.pszText = iter->title;
 353         lvItem.iImage = index;
 354         lvItem.lParam = iter->id;
 355
 356         index = ListView_InsertItemW(hWnd, &lvItem);
 357
 358         /* now add the subitems (columns) */
 359         ListView_SetItemTextW(hWnd, index, 1, iter->publisher);
 360         ListView_SetItemTextW(hWnd, index, 2, iter->version);
 361     }
 362 }
 363
 364 /******************************************************************************
 365  * Name       : RemoveItemsFromList
 366  * Description: Clears the application list box.
 367  * Parameters : hWnd    - Handle of the dialog box
 368  */
 369 static void RemoveItemsFromList(HWND hWnd)
 370 {
 371     SendDlgItemMessageW(hWnd, IDL_PROGRAMS, LVM_DELETEALLITEMS, 0, 0);
 372 }
 373
 374 /******************************************************************************
 375  * Name       : EmptyList
 376  * Description: Frees memory used by the application linked list.
 377  */
 378 static inline void EmptyList(void)
 379 {
 380     APPINFO *info, *next;
 381     LIST_FOR_EACH_ENTRY_SAFE( info, next, &app_list, APPINFO, entry )
 382     {
 383         list_remove( &info->entry );
 384         FreeAppInfo( info );
 385     }
 386 }
 387
 388 /******************************************************************************
 389  * Name       : UpdateButtons
 390  * Description: Enables/disables the Add/Remove button depending on current
 391  *              selection in list box.
 392  * Parameters : hWnd    - Handle of the dialog box
 393  */
 394 static void UpdateButtons(HWND hWnd)
 395 {
 396     APPINFO *iter;
 397     LVITEMW lvItem;
 398     LRESULT selitem = SendDlgItemMessageW(hWnd, IDL_PROGRAMS, LVM_GETNEXTITEM, -1,
 399        LVNI_FOCUSED | LVNI_SELECTED);
 400     BOOL enable_modify = FALSE;
 401
 402     if (selitem != -1)
 403     {
 404         lvItem.iItem = selitem;
 405         lvItem.mask = LVIF_PARAM;
 406
 407         if (SendDlgItemMessageW(hWnd, IDL_PROGRAMS, LVM_GETITEMW, 0, (LPARAM) &lvItem))
 408         {
 409             LIST_FOR_EACH_ENTRY( iter, &app_list, APPINFO, entry )
 410             {
 411                 if (iter->id == lvItem.lParam)
 412                 {
 413                     /* Decide whether to display Modify/Remove as one button or two */
 414                     enable_modify = (iter->path_modify != NULL);
 415
 416                     /* Update title as appropriate */
 417                     if (iter->path_modify == NULL)
 418                         SetWindowTextW(GetDlgItem(hWnd, IDC_ADDREMOVE), btnModifyRemove);
 419                     else
 420                         SetWindowTextW(GetDlgItem(hWnd, IDC_ADDREMOVE), btnRemove);
 421
 422                     break;
 423                 }
 424             }
 425         }
 426     }
 427
 428     /* Enable/disable other buttons if necessary */
 429     EnableWindow(GetDlgItem(hWnd, IDC_ADDREMOVE), (selitem != -1));
 430     EnableWindow(GetDlgItem(hWnd, IDC_SUPPORT_INFO), (selitem != -1));
 431     EnableWindow(GetDlgItem(hWnd, IDC_MODIFY), enable_modify);
 432 }
 433
 434 /******************************************************************************
 435  * Name       : InstallProgram
 436  * Description: Search for potential Installer and execute it.
 437  * Parameters : hWnd    - Handle of the dialog box
 438  */
 439 static void InstallProgram(HWND hWnd)
 440 {
 441     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}
 442 ;
 443     OPENFILENAMEW ofn;
 444     WCHAR titleW[MAX_STRING_LEN];
 445     WCHAR filter_installs[MAX_STRING_LEN];
 446     WCHAR filter_programs[MAX_STRING_LEN];
 447     WCHAR filter_all[MAX_STRING_LEN];
 448     WCHAR FilterBufferW[MAX_PATH];
 449     WCHAR FileNameBufferW[MAX_PATH];
 450
 451     LoadStringW(hInst, IDS_CPL_TITLE, titleW, sizeof(titleW)/sizeof(WCHAR));
 452     LoadStringW(hInst, IDS_FILTER_INSTALLS, filter_installs, sizeof(filter_installs)/sizeof(WCHAR));
 453     LoadStringW(hInst, IDS_FILTER_PROGRAMS, filter_programs, sizeof(filter_programs)/sizeof(WCHAR));
 454     LoadStringW(hInst, IDS_FILTER_ALL, filter_all, sizeof(filter_all)/sizeof(WCHAR));
 455
 456     snprintfW( FilterBufferW, MAX_PATH, filters, filter_installs, 0, 0,
 457                filter_programs, 0, 0, filter_all, 0, 0 );
 458     memset(&ofn, 0, sizeof(OPENFILENAMEW));
 459     ofn.lStructSize = sizeof(OPENFILENAMEW);
 460     ofn.hwndOwner = hWnd;
 461     ofn.hInstance = hInst;
 462     ofn.lpstrFilter = FilterBufferW;
 463     ofn.nFilterIndex = 0;
 464     ofn.lpstrFile = FileNameBufferW;
 465     ofn.nMaxFile = MAX_PATH;
 466     ofn.lpstrFileTitle = NULL;
 467     ofn.nMaxFileTitle = 0;
 468     ofn.lpstrTitle = titleW;
 469     ofn.Flags = OFN_HIDEREADONLY | OFN_ENABLESIZING;
 470     FileNameBufferW[0] = 0;
 471
 472     if (GetOpenFileNameW(&ofn))
 473     {
 474         SHELLEXECUTEINFOW sei;
 475         memset(&sei, 0, sizeof(sei));
 476         sei.cbSize = sizeof(sei);
 477         sei.lpVerb = openW;
 478         sei.nShow = SW_SHOWDEFAULT;
 479         sei.fMask = SEE_MASK_NO_CONSOLE;
 480         sei.lpFile = ofn.lpstrFile;
 481
 482         ShellExecuteExW(&sei);
 483     }
 484 }
 485
 486 /******************************************************************************
 487  * Name       : UninstallProgram
 488  * Description: Executes the specified program's installer.
 489  * Parameters : id      - the internal ID of the installer to remove
 490  * Parameters : button  - ID of button pressed (Modify or Remove)
 491  */
 492 static void UninstallProgram(int id, DWORD button)
 493 {
 494     APPINFO *iter;
 495     STARTUPINFOW si;
 496     PROCESS_INFORMATION info;
 497     WCHAR errormsg[MAX_STRING_LEN];
 498     WCHAR sUninstallFailed[MAX_STRING_LEN];
 499     HKEY hkey;
 500     BOOL res;
 501
 502     LoadStringW(hInst, IDS_UNINSTALL_FAILED, sUninstallFailed,
 503         sizeof(sUninstallFailed) / sizeof(sUninstallFailed[0]));
 504
 505     LIST_FOR_EACH_ENTRY( iter, &app_list, APPINFO, entry )
 506     {
 507         if (iter->id == id)
 508         {
 509             TRACE("Uninstalling %s (%s)\n", wine_dbgstr_w(iter->title),
 510                 wine_dbgstr_w(iter->path));
 511
 512             memset(&si, 0, sizeof(STARTUPINFOW));
 513             si.cb = sizeof(STARTUPINFOW);
 514             si.wShowWindow = SW_NORMAL;
 515
 516             res = CreateProcessW(NULL, (button == IDC_MODIFY) ? iter->path_modify : iter->path,
 517                 NULL, NULL, FALSE, 0, NULL, NULL, &si, &info);
 518
 519             if (res)
 520             {
 521                 CloseHandle(info.hThread);
 522
 523                 /* wait for the process to exit */
 524                 WaitForSingleObject(info.hProcess, INFINITE);
 525                 CloseHandle(info.hProcess);
 526             }
 527             else
 528             {
 529                 wsprintfW(errormsg, sUninstallFailed, iter->path);
 530
 531                 if (MessageBoxW(0, errormsg, iter->title, MB_YESNO |
 532                     MB_ICONQUESTION) == IDYES)
 533                 {
 534                     /* delete the application's uninstall entry */
 535                     RegOpenKeyExW(iter->regroot, PathUninstallW, 0, KEY_READ, &hkey);
 536                     RegDeleteKeyW(hkey, iter->regkey);
 537                     RegCloseKey(hkey);
 538                 }
 539             }
 540
 541             break;
 542         }
 543     }
 544 }
 545
 546 /**********************************************************************************
 547  * Name       : SetInfoDialogText
 548  * Description: Sets the text of a label in a window, based upon a registry entry
 549  *              or string passed to the function.
 550  * Parameters : hKey         - registry entry to read from, NULL if not reading
 551  *                             from registry
 552  *              lpKeyName    - key to read from, or string to check if hKey is NULL
 553  *              lpAltMessage - alternative message if entry not found
 554  *              hWnd         - handle of dialog box
 555  *              iDlgItem     - ID of label in dialog box
 556  */
 557 static void SetInfoDialogText(HKEY hKey, LPCWSTR lpKeyName, LPCWSTR lpAltMessage,
 558   HWND hWnd, int iDlgItem)
 559 {
 560     WCHAR buf[MAX_STRING_LEN];
 561     DWORD buflen;
 562     HWND hWndDlgItem;
 563
 564     hWndDlgItem = GetDlgItem(hWnd, iDlgItem);
 565
 566     /* if hKey is null, lpKeyName contains the string we want to check */
 567     if (hKey == NULL)
 568     {
 569         if ((lpKeyName) && (lstrlenW(lpKeyName) > 0))
 570             SetWindowTextW(hWndDlgItem, lpKeyName);
 571         else
 572             SetWindowTextW(hWndDlgItem, lpAltMessage);
 573     }
 574     else
 575     {
 576         buflen = MAX_STRING_LEN;
 577
 578         if ((RegQueryValueExW(hKey, lpKeyName, 0, 0, (LPBYTE) buf, &buflen) ==
 579            ERROR_SUCCESS) && (lstrlenW(buf) > 0))
 580             SetWindowTextW(hWndDlgItem, buf);
 581         else
 582             SetWindowTextW(hWndDlgItem, lpAltMessage);
 583     }
 584 }
 585
 586 /******************************************************************************
 587  * Name       : SupportInfoDlgProc
 588  * Description: Callback procedure for support info dialog
 589  * Parameters : hWnd    - hWnd of the window
 590  *              msg     - reason for calling function
 591  *              wParam  - additional parameter
 592  *              lParam  - additional parameter
 593  * Returns    : Dependant on message
 594  */
 595 static BOOL CALLBACK SupportInfoDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 596 {
 597     APPINFO *iter;
 598     HKEY hkey;
 599     WCHAR oldtitle[MAX_STRING_LEN];
 600     WCHAR buf[MAX_STRING_LEN];
 601     WCHAR key[MAX_STRING_LEN];
 602     WCHAR notfound[MAX_STRING_LEN];
 603
 604     switch(msg)
 605     {
 606         case WM_INITDIALOG:
 607             LIST_FOR_EACH_ENTRY( iter, &app_list, APPINFO, entry )
 608             {
 609                 if (iter->id == (int) lParam)
 610                 {
 611                     lstrcpyW(key, PathUninstallW);
 612                     lstrcatW(key, BackSlashW);
 613                     lstrcatW(key, iter->regkey);
 614
 615                     /* check the application's registry entries */
 616                     RegOpenKeyExW(iter->regroot, key, 0, KEY_READ, &hkey);
 617
 618                     /* Load our "not specified" string */
 619                     LoadStringW(hInst, IDS_NOT_SPECIFIED, notfound,
 620                         sizeof(notfound) / sizeof(notfound[0]));
 621
 622                     /* Update the data for items already read into the structure */
 623                     SetInfoDialogText(NULL, iter->publisher, notfound, hWnd,
 624                         IDC_INFO_PUBLISHER);
 625                     SetInfoDialogText(NULL, iter->version, notfound, hWnd,
 626                         IDC_INFO_VERSION);
 627
 628                     /* And now update the data for those items in the registry */
 629                     SetInfoDialogText(hkey, ContactW, notfound, hWnd,
 630                         IDC_INFO_CONTACT);
 631                     SetInfoDialogText(hkey, HelpLinkW, notfound, hWnd,
 632                         IDC_INFO_SUPPORT);
 633                     SetInfoDialogText(hkey, HelpTelephoneW, notfound, hWnd,
 634                         IDC_INFO_PHONE);
 635                     SetInfoDialogText(hkey, ReadmeW, notfound, hWnd,
 636                         IDC_INFO_README);
 637                     SetInfoDialogText(hkey, URLUpdateInfoW, notfound, hWnd,
 638                         IDC_INFO_UPDATES);
 639                     SetInfoDialogText(hkey, CommentsW, notfound, hWnd,
 640                         IDC_INFO_COMMENTS);
 641
 642                     /* Update the main label with the app name */
 643                     if (GetWindowTextW(GetDlgItem(hWnd, IDC_INFO_LABEL), oldtitle,
 644                         MAX_STRING_LEN) != 0)
 645                     {
 646                         wsprintfW(buf, oldtitle, iter->title);
 647                         SetWindowTextW(GetDlgItem(hWnd, IDC_INFO_LABEL), buf);
 648                     }
 649
 650                     RegCloseKey(hkey);
 651
 652                     break;
 653                 }
 654             }
 655
 656             return TRUE;
 657
 658         case WM_DESTROY:
 659             return 0;
 660
 661         case WM_COMMAND:
 662             switch (LOWORD(wParam))
 663             {
 664                 case IDOK:
 665                     EndDialog(hWnd, TRUE);
 666                     break;
 667
 668             }
 669
 670             return TRUE;
 671     }
 672
 673     return FALSE;
 674 }
 675
 676 /******************************************************************************
 677  * Name       : SupportInfo
 678  * Description: Displays the Support Information dialog
 679  * Parameters : hWnd    - Handle of the main dialog
 680  *              id      - ID of the application to display information for
 681  */
 682 static void SupportInfo(HWND hWnd, int id)
 683 {
 684     DialogBoxParamW(hInst, MAKEINTRESOURCEW(IDD_INFO), hWnd, (DLGPROC)
 685         SupportInfoDlgProc, (LPARAM) 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    : Dependant on message
 824  */
 825 static BOOL 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 = (DLGPROC) 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
 974     if(!params)
 975         return FALSE;
 976
 977     if(!strcmpW(params, install_geckoW)) {
 978         install_wine_gecko();
 979         return TRUE;
 980     }
 981
 982     WARN("unknown param %s\n", debugstr_w(params));
 983     return FALSE;
 984 }
 985
 986 /******************************************************************************
 987  * Name       : CPlApplet
 988  * Description: Entry point for Control Panel applets
 989  * Parameters : hwndCPL - hWnd of the Control Panel
 990  *              message - reason for calling function
 991  *              lParam1 - additional parameter
 992  *              lParam2 - additional parameter
 993  * Returns    : Dependant on message
 994  */
 995 LONG CALLBACK CPlApplet(HWND hwndCPL, UINT message, LPARAM lParam1, LPARAM lParam2)
 996 {
 997     INITCOMMONCONTROLSEX iccEx;
 998
 999     switch (message)
1000     {
1001         case CPL_INIT:
1002             iccEx.dwSize = sizeof(iccEx);
1003             iccEx.dwICC = ICC_LISTVIEW_CLASSES | ICC_TAB_CLASSES | ICC_LINK_CLASS;
1004
1005             InitCommonControlsEx(&iccEx);
1006
1007             return TRUE;
1008
1009         case CPL_GETCOUNT:
1010             return 1;
1011
1012         case CPL_STARTWPARMSW:
1013             return start_params((const WCHAR *)lParam2);
1014
1015         case CPL_INQUIRE:
1016         {
1017             CPLINFO *appletInfo = (CPLINFO *) lParam2;
1018
1019             appletInfo->idIcon = ICO_MAIN;
1020             appletInfo->idName = IDS_CPL_TITLE;
1021             appletInfo->idInfo = IDS_CPL_DESC;
1022             appletInfo->lData = 0;
1023
1024             break;
1025         }
1026
1027         case CPL_DBLCLK:
1028             StartApplet(hwndCPL);
1029             break;
1030     }
1031
1032     return FALSE;
1033 }