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 #include "wine/unicode.h"
  31 #include "wine/debug.h"
  32
  33 #include <string.h>
  34 #include <stdlib.h>
  35 #include <stdarg.h>
  36 #include <stdio.h>
  37 #include <windef.h>
  38 #include <winbase.h>
  39 #include <winuser.h>
  40 #include <wingdi.h>
  41 #include <winreg.h>
  42 #include <shellapi.h>
  43 #include <commctrl.h>
  44 #include <cpl.h>
  45
  46 #include "res.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(appwizcpl);
  49
  50 /* define a maximum length for various buffers we use */
  51 #define MAX_STRING_LEN    1024
  52
  53 typedef struct APPINFO {
  54     int id;
  55
  56     LPWSTR title;
  57     LPWSTR path;
  58
  59     LPWSTR icon;
  60     int iconIdx;
  61
  62     LPWSTR publisher;
  63     LPWSTR version;
  64
  65     HKEY regroot;
  66     WCHAR regkey[MAX_STRING_LEN];
  67
  68     struct APPINFO *next;
  69 } APPINFO;
  70
  71 static struct APPINFO *AppInfo = NULL;
  72 static HINSTANCE hInst;
  73
  74 /* names of registry keys */
  75 static const WCHAR BackSlashW[] = { '\\', 0 };
  76 static const WCHAR DisplayNameW[] = {'D','i','s','p','l','a','y','N','a','m','e',0};
  77 static const WCHAR DisplayIconW[] = {'D','i','s','p','l','a','y','I','c','o','n',0};
  78 static const WCHAR DisplayVersionW[] = {'D','i','s','p','l','a','y','V','e','r',
  79     's','i','o','n',0};
  80 static const WCHAR PublisherW[] = {'P','u','b','l','i','s','h','e','r',0};
  81 static const WCHAR ContactW[] = {'C','o','n','t','a','c','t',0};
  82 static const WCHAR HelpLinkW[] = {'H','e','l','p','L','i','n','k',0};
  83 static const WCHAR HelpTelephoneW[] = {'H','e','l','p','T','e','l','e','p','h',
  84     'o','n','e',0};
  85 static const WCHAR ReadmeW[] = {'R','e','a','d','m','e',0};
  86 static const WCHAR URLUpdateInfoW[] = {'U','R','L','U','p','d','a','t','e','I',
  87     'n','f','o',0};
  88 static const WCHAR CommentsW[] = {'C','o','m','m','e','n','t','s',0};
  89 static const WCHAR UninstallCommandlineW[] = {'U','n','i','n','s','t','a','l','l',
  90     'S','t','r','i','n','g',0};
  91
  92 static const WCHAR PathUninstallW[] = {
  93         'S','o','f','t','w','a','r','e','\\',
  94         'M','i','c','r','o','s','o','f','t','\\',
  95         'W','i','n','d','o','w','s','\\',
  96         'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  97         'U','n','i','n','s','t','a','l','l',0 };
  98
  99 /******************************************************************************
 100  * Name       : DllMain
 101  * Description: Entry point for DLL file
 102  */
 103 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
 104                     LPVOID lpvReserved)
 105 {
 106     TRACE("(%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
 107
 108     switch (fdwReason)
 109     {
 110         case DLL_PROCESS_ATTACH:
 111             hInst = hinstDLL;
 112             break;
 113     }
 114     return TRUE;
 115 }
 116
 117 /******************************************************************************
 118  * Name       : FreeAppInfo
 119  * Description: Frees memory used by an AppInfo structure, and any children.
 120  */
 121 static void FreeAppInfo(APPINFO *info)
 122 {
 123     while (info)
 124     {
 125         APPINFO *next_info = info->next;
 126
 127         HeapFree(GetProcessHeap(), 0, info->title);
 128         HeapFree(GetProcessHeap(), 0, info->path);
 129         HeapFree(GetProcessHeap(), 0, info->icon);
 130         HeapFree(GetProcessHeap(), 0, info->publisher);
 131         HeapFree(GetProcessHeap(), 0, info->version);
 132         HeapFree(GetProcessHeap(), 0, info);
 133         info = next_info;
 134     }
 135 }
 136
 137 /******************************************************************************
 138  * Name       : ReadApplicationsFromRegistry
 139  * Description: Creates a linked list of uninstallable applications from the
 140  *              registry.
 141  * Parameters : root    - Which registry root to read from (HKCU/HKLM)
 142  * Returns    : TRUE if successful, FALSE otherwise
 143  */
 144 static BOOL ReadApplicationsFromRegistry(HKEY root)
 145 {
 146     HKEY hkeyUninst, hkeyApp;
 147     int i, id = 0;
 148     DWORD sizeOfSubKeyName, displen, uninstlen;
 149     WCHAR subKeyName[256];
 150     WCHAR key_app[MAX_STRING_LEN];
 151     WCHAR *p;
 152     APPINFO *iter = AppInfo;
 153     LPWSTR iconPtr;
 154     BOOL ret = FALSE;
 155
 156     if (RegOpenKeyExW(root, PathUninstallW, 0, KEY_READ, &hkeyUninst) !=
 157       ERROR_SUCCESS)
 158         return FALSE;
 159
 160     lstrcpyW(key_app, PathUninstallW);
 161     lstrcatW(key_app, BackSlashW);
 162     p = key_app+lstrlenW(PathUninstallW)+1;
 163
 164     sizeOfSubKeyName = sizeof(subKeyName) / sizeof(subKeyName[0]);
 165
 166     if (iter)
 167     {
 168         /* find the end of the list */
 169         for (iter = AppInfo; iter->next; iter = iter->next);
 170     }
 171
 172     for (i = 0; RegEnumKeyExW(hkeyUninst, i, subKeyName, &sizeOfSubKeyName, NULL,
 173         NULL, NULL, NULL) != ERROR_NO_MORE_ITEMS; ++i)
 174     {
 175         lstrcpyW(p, subKeyName);
 176         RegOpenKeyExW(root, key_app, 0, KEY_READ, &hkeyApp);
 177
 178         displen = 0;
 179         uninstlen = 0;
 180
 181         if ((RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, NULL, &displen) ==
 182             ERROR_SUCCESS) && (RegQueryValueExW(hkeyApp, UninstallCommandlineW,
 183             0, 0, NULL, &uninstlen) == ERROR_SUCCESS))
 184         {
 185             /* if we already have iter, allocate the next entry */
 186             if (iter)
 187             {
 188                 iter->next = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 189                     sizeof(struct APPINFO));
 190
 191                 if (!iter->next)
 192                     goto err;
 193
 194                 iter = iter->next;
 195             }
 196             else
 197             {
 198                 /* if not, start the list */
 199                 iter = AppInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 200                     sizeof(struct APPINFO));
 201
 202                 if (!iter)
 203                     goto err;
 204             }
 205
 206             iter->title = HeapAlloc(GetProcessHeap(), 0, displen);
 207
 208             if (!iter->title)
 209                 goto err;
 210
 211             RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, (LPBYTE)iter->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                 iter->icon = 0;
 220             else
 221             {
 222                 iter->icon = HeapAlloc(GetProcessHeap(), 0, displen);
 223
 224                 if (!iter->icon)
 225                     goto err;
 226
 227                 RegQueryValueExW(hkeyApp, DisplayIconW, 0, 0, (LPBYTE)iter->icon,
 228                     &displen);
 229
 230                 /* separate the index from the icon name, if supplied */
 231                 iconPtr = strchrW(iter->icon, ',');
 232
 233                 if (iconPtr)
 234                 {
 235                     *iconPtr++ = 0;
 236                     iter->iconIdx = atoiW(iconPtr);
 237                 }
 238             }
 239
 240             iter->path = HeapAlloc(GetProcessHeap(), 0, uninstlen);
 241
 242             if (!iter->path)
 243                 goto err;
 244
 245             RegQueryValueExW(hkeyApp, UninstallCommandlineW, 0, 0,
 246                 (LPBYTE)iter->path, &uninstlen);
 247
 248             /* publisher, version */
 249             if (RegQueryValueExW(hkeyApp, PublisherW, 0, 0, NULL, &displen) ==
 250                 ERROR_SUCCESS)
 251             {
 252                 iter->publisher = HeapAlloc(GetProcessHeap(), 0, displen);
 253
 254                 if (!iter->publisher)
 255                     goto err;
 256
 257                 RegQueryValueExW(hkeyApp, PublisherW, 0, 0, (LPBYTE)iter->publisher,
 258                     &displen);
 259             }
 260
 261             if (RegQueryValueExW(hkeyApp, DisplayVersionW, 0, 0, NULL, &displen) ==
 262                 ERROR_SUCCESS)
 263             {
 264                 iter->version = HeapAlloc(GetProcessHeap(), 0, displen);
 265
 266                 if (!iter->version)
 267                     goto err;
 268
 269                 RegQueryValueExW(hkeyApp, DisplayVersionW, 0, 0, (LPBYTE)iter->version,
 270                     &displen);
 271             }
 272
 273             /* registry key */
 274             iter->regroot = root;
 275             lstrcpyW(iter->regkey, subKeyName);
 276
 277             iter->id = id++;
 278         }
 279
 280         RegCloseKey(hkeyApp);
 281         sizeOfSubKeyName = sizeof(subKeyName) / sizeof(subKeyName[0]);
 282     }
 283
 284     ret = TRUE;
 285     goto end;
 286
 287 err:
 288     RegCloseKey(hkeyApp);
 289     FreeAppInfo(iter);
 290
 291 end:
 292     RegCloseKey(hkeyUninst);
 293     return ret;
 294 }
 295
 296
 297 /******************************************************************************
 298  * Name       : AddApplicationsToList
 299  * Description: Populates the list box with applications.
 300  * Parameters : hWnd    - Handle of the dialog box
 301  */
 302 static void AddApplicationsToList(HWND hWnd, HIMAGELIST hList)
 303 {
 304     APPINFO *iter = AppInfo;
 305     LVITEMW lvItem;
 306     HICON hIcon;
 307     int index;
 308
 309     while (iter)
 310     {
 311         /* get the icon */
 312         index = 0;
 313
 314         if (iter->icon)
 315         {
 316             if (ExtractIconExW(iter->icon, iter->iconIdx, NULL, &hIcon, 1) == 1)
 317             {
 318                 index = ImageList_AddIcon(hList, hIcon);
 319                 DestroyIcon(hIcon);
 320             }
 321         }
 322
 323         lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
 324         lvItem.iItem = iter->id;
 325         lvItem.iSubItem = 0;
 326         lvItem.pszText = iter->title;
 327         lvItem.iImage = index;
 328         lvItem.lParam = iter->id;
 329
 330         index = ListView_InsertItemW(hWnd, &lvItem);
 331
 332         /* now add the subitems (columns) */
 333         ListView_SetItemTextW(hWnd, index, 1, iter->publisher);
 334         ListView_SetItemTextW(hWnd, index, 2, iter->version);
 335
 336         iter = iter->next;
 337     }
 338 }
 339
 340 /******************************************************************************
 341  * Name       : RemoveItemsFromList
 342  * Description: Clears the application list box.
 343  * Parameters : hWnd    - Handle of the dialog box
 344  */
 345 static void RemoveItemsFromList(HWND hWnd)
 346 {
 347     SendDlgItemMessageW(hWnd, IDL_PROGRAMS, LVM_DELETEALLITEMS, 0, 0);
 348 }
 349
 350 /******************************************************************************
 351  * Name       : EmptyList
 352  * Description: Frees memory used by the application linked list.
 353  */
 354 static inline void EmptyList(void)
 355 {
 356     FreeAppInfo(AppInfo);
 357     AppInfo = NULL;
 358 }
 359
 360 /******************************************************************************
 361  * Name       : UpdateButtons
 362  * Description: Enables/disables the Add/Remove button depending on current
 363  *              selection in list box.
 364  * Parameters : hWnd    - Handle of the dialog box
 365  */
 366 static void UpdateButtons(HWND hWnd)
 367 {
 368     BOOL sel = ListView_GetSelectedCount(GetDlgItem(hWnd, IDL_PROGRAMS)) != 0;
 369
 370     EnableWindow(GetDlgItem(hWnd, IDC_ADDREMOVE), sel);
 371     EnableWindow(GetDlgItem(hWnd, IDC_SUPPORT_INFO), sel);
 372 }
 373
 374 /******************************************************************************
 375  * Name       : UninstallProgram
 376  * Description: Executes the specified program's installer.
 377  * Parameters : id      - the internal ID of the installer to remove
 378  */
 379 static void UninstallProgram(int id)
 380 {
 381     APPINFO *iter;
 382     STARTUPINFOW si;
 383     PROCESS_INFORMATION info;
 384     WCHAR errormsg[MAX_STRING_LEN];
 385     WCHAR sUninstallFailed[MAX_STRING_LEN];
 386     HKEY hkey;
 387     BOOL res;
 388
 389     LoadStringW(hInst, IDS_UNINSTALL_FAILED, sUninstallFailed,
 390         sizeof(sUninstallFailed) / sizeof(sUninstallFailed[0]));
 391
 392     for (iter = AppInfo; iter; iter = iter->next)
 393     {
 394         if (iter->id == id)
 395         {
 396             TRACE("Uninstalling %s (%s)\n", wine_dbgstr_w(iter->title),
 397                 wine_dbgstr_w(iter->path));
 398
 399             memset(&si, 0, sizeof(STARTUPINFOW));
 400             si.cb = sizeof(STARTUPINFOW);
 401             si.wShowWindow = SW_NORMAL;
 402             res = CreateProcessW(NULL, iter->path, NULL, NULL, FALSE, 0, NULL,
 403                 NULL, &si, &info);
 404
 405             if (res)
 406             {
 407                 /* wait for the process to exit */
 408                 WaitForSingleObject(info.hProcess, INFINITE);
 409             }
 410             else
 411             {
 412                 wsprintfW(errormsg, sUninstallFailed, iter->path);
 413
 414                 if (MessageBoxW(0, errormsg, iter->title, MB_YESNO |
 415                     MB_ICONQUESTION) == IDYES)
 416                 {
 417                     /* delete the application's uninstall entry */
 418                     RegOpenKeyExW(iter->regroot, PathUninstallW, 0, KEY_READ, &hkey);
 419                     RegDeleteKeyW(hkey, iter->regkey);
 420                     RegCloseKey(hkey);
 421                 }
 422             }
 423
 424             break;
 425         }
 426     }
 427 }
 428
 429 /**********************************************************************************
 430  * Name       : SetInfoDialogText
 431  * Description: Sets the text of a label in a window, based upon a registry entry
 432  *              or string passed to the function.
 433  * Parameters : hKey         - registry entry to read from, NULL if not reading
 434  *                             from registry
 435  *              lpKeyName    - key to read from, or string to check if hKey is NULL
 436  *              lpAltMessage - alternative message if entry not found
 437  *              hWnd         - handle of dialog box
 438  *              iDlgItem     - ID of label in dialog box
 439  */
 440 static void SetInfoDialogText(HKEY hKey, LPWSTR lpKeyName, LPWSTR lpAltMessage,
 441   HWND hWnd, int iDlgItem)
 442 {
 443     WCHAR buf[MAX_STRING_LEN];
 444     DWORD buflen;
 445     HWND hWndDlgItem;
 446
 447     hWndDlgItem = GetDlgItem(hWnd, iDlgItem);
 448
 449     /* if hKey is null, lpKeyName contains the string we want to check */
 450     if (hKey == NULL)
 451     {
 452         if ((lpKeyName) && (lstrlenW(lpKeyName) > 0))
 453             SetWindowTextW(hWndDlgItem, lpKeyName);
 454         else
 455             SetWindowTextW(hWndDlgItem, lpAltMessage);
 456     }
 457     else
 458     {
 459         buflen = MAX_STRING_LEN;
 460
 461         if ((RegQueryValueExW(hKey, lpKeyName, 0, 0, (LPBYTE) buf, &buflen) ==
 462            ERROR_SUCCESS) && (lstrlenW(buf) > 0))
 463             SetWindowTextW(hWndDlgItem, buf);
 464         else
 465             SetWindowTextW(hWndDlgItem, lpAltMessage);
 466     }
 467 }
 468
 469 /******************************************************************************
 470  * Name       : SupportInfoDlgProc
 471  * Description: Callback procedure for support info dialog
 472  * Parameters : hWnd    - hWnd of the window
 473  *              msg     - reason for calling function
 474  *              wParam  - additional parameter
 475  *              lParam  - additional parameter
 476  * Returns    : Dependant on message
 477  */
 478 static BOOL CALLBACK SupportInfoDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 479 {
 480     APPINFO *iter;
 481     HKEY hkey;
 482     WCHAR oldtitle[MAX_STRING_LEN];
 483     WCHAR buf[MAX_STRING_LEN];
 484     WCHAR key[MAX_STRING_LEN];
 485     WCHAR notfound[MAX_STRING_LEN];
 486
 487     switch(msg)
 488     {
 489         case WM_INITDIALOG:
 490             for (iter = AppInfo; iter; iter = iter->next)
 491             {
 492                 if (iter->id == (int) lParam)
 493                 {
 494                     lstrcpyW(key, PathUninstallW);
 495                     lstrcatW(key, BackSlashW);
 496                     lstrcatW(key, iter->regkey);
 497
 498                     /* check the application's registry entries */
 499                     RegOpenKeyExW(iter->regroot, key, 0, KEY_READ, &hkey);
 500
 501                     /* Load our "not specified" string */
 502                     LoadStringW(hInst, IDS_NOT_SPECIFIED, notfound,
 503                         sizeof(notfound) / sizeof(notfound[0]));
 504
 505                     /* Update the data for items already read into the structure */
 506                     SetInfoDialogText(NULL, iter->publisher, notfound, hWnd,
 507                         IDC_INFO_PUBLISHER);
 508                     SetInfoDialogText(NULL, iter->version, notfound, hWnd,
 509                         IDC_INFO_VERSION);
 510
 511                     /* And now update the data for those items in the registry */
 512                     SetInfoDialogText(hkey, (LPWSTR) ContactW, notfound, hWnd,
 513                         IDC_INFO_CONTACT);
 514                     SetInfoDialogText(hkey, (LPWSTR) HelpLinkW, notfound, hWnd,
 515                         IDC_INFO_SUPPORT);
 516                     SetInfoDialogText(hkey, (LPWSTR) HelpTelephoneW, notfound, hWnd,
 517                         IDC_INFO_PHONE);
 518                     SetInfoDialogText(hkey, (LPWSTR) ReadmeW, notfound, hWnd,
 519                         IDC_INFO_README);
 520                     SetInfoDialogText(hkey, (LPWSTR) URLUpdateInfoW, notfound, hWnd,
 521                         IDC_INFO_UPDATES);
 522                     SetInfoDialogText(hkey, (LPWSTR) CommentsW, notfound, hWnd,
 523                         IDC_INFO_COMMENTS);
 524
 525                     /* Update the main label with the app name */
 526                     if (GetWindowTextW(GetDlgItem(hWnd, IDC_INFO_LABEL), oldtitle,
 527                         MAX_STRING_LEN) != 0)
 528                     {
 529                         wsprintfW(buf, oldtitle, iter->title);
 530                         SetWindowTextW(GetDlgItem(hWnd, IDC_INFO_LABEL), buf);
 531                     }
 532
 533                     RegCloseKey(hkey);
 534
 535                     break;
 536                 }
 537             }
 538
 539             return TRUE;
 540
 541         case WM_DESTROY:
 542             return 0;
 543
 544         case WM_COMMAND:
 545             switch (LOWORD(wParam))
 546             {
 547                 case IDOK:
 548                     EndDialog(hWnd, TRUE);
 549                     break;
 550
 551             }
 552
 553             return TRUE;
 554     }
 555
 556     return FALSE;
 557 }
 558
 559 /******************************************************************************
 560  * Name       : SupportInfo
 561  * Description: Displays the Support Information dialog
 562  * Parameters : hWnd    - Handle of the main dialog
 563  *              id      - ID of the application to display information for
 564  */
 565 static void SupportInfo(HWND hWnd, int id)
 566 {
 567     DialogBoxParamW(hInst, MAKEINTRESOURCEW(IDD_INFO), hWnd, (DLGPROC)
 568         SupportInfoDlgProc, (LPARAM) id);
 569 }
 570
 571 /* Definition of column headers for AddListViewColumns function */
 572 typedef struct AppWizColumn {
 573    int width;
 574    int fmt;
 575    int title;
 576 } AppWizColumn;
 577
 578 AppWizColumn columns[] = {
 579     {200, LVCFMT_LEFT, IDS_COLUMN_NAME},
 580     {150, LVCFMT_LEFT, IDS_COLUMN_PUBLISHER},
 581     {100, LVCFMT_LEFT, IDS_COLUMN_VERSION},
 582 };
 583
 584 /******************************************************************************
 585  * Name       : AddListViewColumns
 586  * Description: Adds column headers to the list view control.
 587  * Parameters : hWnd    - Handle of the list view control.
 588  * Returns    : TRUE if completed successfully, FALSE otherwise.
 589  */
 590 static BOOL AddListViewColumns(HWND hWnd)
 591 {
 592     WCHAR buf[MAX_STRING_LEN];
 593     LVCOLUMNW lvc;
 594     UINT i;
 595
 596     lvc.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_WIDTH;
 597
 598     /* Add the columns */
 599     for (i = 0; i < sizeof(columns) / sizeof(columns[0]); i++)
 600     {
 601         lvc.iSubItem = i;
 602         lvc.pszText = buf;
 603
 604         /* set width and format */
 605         lvc.cx = columns[i].width;
 606         lvc.fmt = columns[i].fmt;
 607
 608         LoadStringW(hInst, columns[i].title, buf, sizeof(buf) / sizeof(buf[0]));
 609
 610         if (ListView_InsertColumnW(hWnd, i, &lvc) == -1)
 611             return FALSE;
 612     }
 613
 614     return TRUE;
 615 }
 616
 617 /******************************************************************************
 618  * Name       : AddListViewImageList
 619  * Description: Creates an ImageList for the list view control.
 620  * Parameters : hWnd    - Handle of the list view control.
 621  * Returns    : Handle of the image list.
 622  */
 623 static HIMAGELIST AddListViewImageList(HWND hWnd)
 624 {
 625     HIMAGELIST hSmall;
 626     HICON hDefaultIcon;
 627
 628     hSmall = ImageList_Create(GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON),
 629         ILC_MASK, 1, 1);
 630
 631     /* Add default icon to image list */
 632     hDefaultIcon = LoadIconW(hInst, MAKEINTRESOURCEW(ICO_MAIN));
 633     ImageList_AddIcon(hSmall, hDefaultIcon);
 634     DestroyIcon(hDefaultIcon);
 635
 636     (void) ListView_SetImageList(hWnd, hSmall, LVSIL_SMALL);
 637
 638     return hSmall;
 639 }
 640
 641 /******************************************************************************
 642  * Name       : ResetApplicationList
 643  * Description: Empties the app list, if need be, and recreates it.
 644  * Parameters : bFirstRun  - TRUE if this is the first time this is run, FALSE otherwise
 645  *              hWnd       - handle of the dialog box
 646  *              hImageList - handle of the image list
 647  * Returns    : New handle of the image list.
 648  */
 649 static HIMAGELIST ResetApplicationList(BOOL bFirstRun, HWND hWnd, HIMAGELIST hImageList)
 650 {
 651     HWND hWndListView;
 652
 653     hWndListView = GetDlgItem(hWnd, IDL_PROGRAMS);
 654
 655     /* if first run, create the image list and add the listview columns */
 656     if (bFirstRun)
 657     {
 658         if (!AddListViewColumns(hWndListView))
 659             return NULL;
 660     }
 661     else /* we need to remove the existing things first */
 662     {
 663         RemoveItemsFromList(hWnd);
 664         ImageList_Destroy(hImageList);
 665
 666         /* reset the list, since it's probably changed if the uninstallation was
 667            successful */
 668         EmptyList();
 669     }
 670
 671     /* now create the image list and add the applications to the listview */
 672     hImageList = AddListViewImageList(hWndListView);
 673
 674     ReadApplicationsFromRegistry(HKEY_LOCAL_MACHINE);
 675     ReadApplicationsFromRegistry(HKEY_CURRENT_USER);
 676
 677     AddApplicationsToList(hWndListView, hImageList);
 678     UpdateButtons(hWnd);
 679
 680     return(hImageList);
 681 }
 682
 683 /******************************************************************************
 684  * Name       : MainDlgProc
 685  * Description: Callback procedure for main tab
 686  * Parameters : hWnd    - hWnd of the window
 687  *              msg     - reason for calling function
 688  *              wParam  - additional parameter
 689  *              lParam  - additional parameter
 690  * Returns    : Dependant on message
 691  */
 692 static BOOL CALLBACK MainDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 693 {
 694     int selitem;
 695     static HIMAGELIST hImageList;
 696     LPNMHDR nmh;
 697     LVITEMW lvItem;
 698
 699     switch(msg)
 700     {
 701         case WM_INITDIALOG:
 702             hImageList = ResetApplicationList(TRUE, hWnd, hImageList);
 703
 704             if (!hImageList)
 705                 return FALSE;
 706
 707             return TRUE;
 708
 709         case WM_DESTROY:
 710             RemoveItemsFromList(hWnd);
 711             ImageList_Destroy(hImageList);
 712
 713             EmptyList();
 714
 715             return 0;
 716
 717         case WM_NOTIFY:
 718             nmh = (LPNMHDR) lParam;
 719
 720             switch (nmh->idFrom)
 721             {
 722                 case IDL_PROGRAMS:
 723                     switch (nmh->code)
 724                     {
 725                         case LVN_ITEMCHANGED:
 726                             UpdateButtons(hWnd);
 727                             break;
 728                     }
 729                     break;
 730             }
 731
 732             return TRUE;
 733
 734         case WM_COMMAND:
 735             switch (LOWORD(wParam))
 736             {
 737                 case IDC_ADDREMOVE:
 738                     selitem = SendDlgItemMessageW(hWnd, IDL_PROGRAMS,
 739                         LVM_GETNEXTITEM, -1, LVNI_FOCUSED|LVNI_SELECTED);
 740
 741                     if (selitem != -1)
 742                     {
 743                         lvItem.iItem = selitem;
 744                         lvItem.mask = LVIF_PARAM;
 745
 746                         if (SendDlgItemMessageW(hWnd, IDL_PROGRAMS, LVM_GETITEMW,
 747                           0, (LPARAM) &lvItem))
 748                             UninstallProgram(lvItem.lParam);
 749                     }
 750
 751                     hImageList = ResetApplicationList(FALSE, hWnd, hImageList);
 752
 753                     break;
 754
 755                 case IDC_SUPPORT_INFO:
 756                     selitem = SendDlgItemMessageW(hWnd, IDL_PROGRAMS,
 757                         LVM_GETNEXTITEM, -1, LVNI_FOCUSED | LVNI_SELECTED);
 758
 759                     if (selitem != -1)
 760                     {
 761                         lvItem.iItem = selitem;
 762                         lvItem.mask = LVIF_PARAM;
 763
 764                         if (SendDlgItemMessageW(hWnd, IDL_PROGRAMS, LVM_GETITEMW,
 765                           0, (LPARAM) &lvItem))
 766                             SupportInfo(hWnd, lvItem.lParam);
 767                     }
 768
 769                     break;
 770             }
 771
 772             return TRUE;
 773     }
 774
 775     return FALSE;
 776 }
 777
 778 /******************************************************************************
 779  * Name       : StartApplet
 780  * Description: Main routine for applet
 781  * Parameters : hWnd    - hWnd of the Control Panel
 782  */
 783 static void StartApplet(HWND hWnd)
 784 {
 785     PROPSHEETPAGEW psp;
 786     PROPSHEETHEADERW psh;
 787     WCHAR tab_title[MAX_STRING_LEN], app_title[MAX_STRING_LEN];
 788
 789     /* Load the strings we will use */
 790     LoadStringW(hInst, IDS_TAB1_TITLE, tab_title, sizeof(tab_title) / sizeof(tab_title[0]));
 791     LoadStringW(hInst, IDS_CPL_TITLE, app_title, sizeof(app_title) / sizeof(app_title[0]));
 792
 793     /* Fill out the PROPSHEETPAGE */
 794     psp.dwSize = sizeof (PROPSHEETPAGEW);
 795     psp.dwFlags = PSP_USETITLE;
 796     psp.hInstance = hInst;
 797     psp.u.pszTemplate = MAKEINTRESOURCEW (IDD_MAIN);
 798     psp.u2.pszIcon = NULL;
 799     psp.pfnDlgProc = (DLGPROC) MainDlgProc;
 800     psp.pszTitle = tab_title;
 801     psp.lParam = 0;
 802
 803     /* Fill out the PROPSHEETHEADER */
 804     psh.dwSize = sizeof (PROPSHEETHEADERW);
 805     psh.dwFlags = PSH_PROPSHEETPAGE | PSH_USEICONID;
 806     psh.hwndParent = hWnd;
 807     psh.hInstance = hInst;
 808     psh.u.pszIcon = NULL;
 809     psh.pszCaption = app_title;
 810     psh.nPages = 1;
 811     psh.u3.ppsp = &psp;
 812     psh.pfnCallback = NULL;
 813     psh.u2.nStartPage = 0;
 814
 815     /* Display the property sheet */
 816     PropertySheetW (&psh);
 817 }
 818
 819 /******************************************************************************
 820  * Name       : CPlApplet
 821  * Description: Entry point for Control Panel applets
 822  * Parameters : hwndCPL - hWnd of the Control Panel
 823  *              message - reason for calling function
 824  *              lParam1 - additional parameter
 825  *              lParam2 - additional parameter
 826  * Returns    : Dependant on message
 827  */
 828 LONG CALLBACK CPlApplet(HWND hwndCPL, UINT message, LPARAM lParam1, LPARAM lParam2)
 829 {
 830     INITCOMMONCONTROLSEX iccEx;
 831
 832     switch (message)
 833     {
 834         case CPL_INIT:
 835             iccEx.dwSize = sizeof(iccEx);
 836             iccEx.dwICC = ICC_LISTVIEW_CLASSES | ICC_TAB_CLASSES;
 837
 838             InitCommonControlsEx(&iccEx);
 839
 840             return TRUE;
 841
 842         case CPL_GETCOUNT:
 843             return 1;
 844
 845         case CPL_INQUIRE:
 846         {
 847             CPLINFO *appletInfo = (CPLINFO *) lParam2;
 848
 849             appletInfo->idIcon = ICO_MAIN;
 850             appletInfo->idName = IDS_CPL_TITLE;
 851             appletInfo->idInfo = IDS_CPL_DESC;
 852             appletInfo->lData = 0;
 853
 854             break;
 855         }
 856
 857         case CPL_DBLCLK:
 858             StartApplet(hwndCPL);
 859             break;
 860     }
 861
 862     return FALSE;
 863 }