reactos/dll/win32/shell32/wine/control.c

   1 /* Control Panel management
   2  *
   3  * Copyright 2001 Eric Pouech
   4  * Copyright 2008 Owen Rudge
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <assert.h>
  22
  23 #define WIN32_NO_STATUS
  24 #define _INC_WINDOWS
  25
  26 #include <windef.h>
  27 #include <winbase.h>
  28 #define NO_SHLWAPI_REG
  29 #include <shlwapi.h>
  30 #include <shellapi.h>
  31 #include <wine/debug.h>
  32
  33 #include <strsafe.h>
  34
  35 #include "cpanel.h"
  36 #include "wine/unicode.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(shlctrl);
  39
  40 void Control_UnloadApplet(CPlApplet* applet)
  41 {
  42     unsigned    i;
  43
  44     for (i = 0; i < applet->count; i++)
  45         applet->proc(applet->hWnd, CPL_STOP, i, applet->info[i].data);
  46
  47     if (applet->proc) applet->proc(applet->hWnd, CPL_EXIT, 0L, 0L);
  48     FreeLibrary(applet->hModule);
  49 #ifndef __REACTOS__
  50     list_remove( &applet->entry );
  51 #endif
  52     HeapFree(GetProcessHeap(), 0, applet->cmd);
  53     HeapFree(GetProcessHeap(), 0, applet);
  54 }
  55
  56 CPlApplet*      Control_LoadApplet(HWND hWnd, LPCWSTR cmd, CPanel* panel)
  57 {
  58 #ifdef __REACTOS__
  59     ACTCTXW ActCtx = {sizeof(ACTCTX), ACTCTX_FLAG_RESOURCE_NAME_VALID};
  60     ULONG_PTR cookie;
  61     BOOL bActivated;
  62     WCHAR fileBuffer[MAX_PATH];
  63 #endif
  64     CPlApplet*  applet;
  65     DWORD len;
  66     unsigned    i;
  67     CPLINFO     info;
  68     NEWCPLINFOW newinfo;
  69
  70     if (!(applet = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*applet))))
  71        return applet;
  72
  73     len = ExpandEnvironmentStringsW(cmd, NULL, 0);
  74     if (len > 0)
  75     {
  76         if (!(applet->cmd = HeapAlloc(GetProcessHeap(), 0, (len+1) * sizeof(WCHAR))))
  77         {
  78             WARN("Cannot allocate memory for applet path\n");
  79             goto theError;
  80         }
  81         ExpandEnvironmentStringsW(cmd, applet->cmd, len+1);
  82     }
  83     else
  84     {
  85         WARN("Cannot expand applet path\n");
  86         goto theError;
  87     }
  88
  89     applet->hWnd = hWnd;
  90
  91 #ifdef __REACTOS__
  92     StringCchCopy(fileBuffer, MAX_PATH, applet->cmd);
  93     SearchPath(NULL, fileBuffer, NULL, MAX_PATH, fileBuffer, NULL);
  94     ActCtx.lpSource = fileBuffer;
  95     ActCtx.lpResourceName = (LPCWSTR)123;
  96     applet->hActCtx = CreateActCtx(&ActCtx);
  97     bActivated = (applet->hActCtx != INVALID_HANDLE_VALUE ? ActivateActCtx(applet->hActCtx, &cookie) : FALSE);
  98 #endif
  99
 100     if (!(applet->hModule = LoadLibraryW(applet->cmd))) {
 101         WARN("Cannot load control panel applet %s\n", debugstr_w(applet->cmd));
 102         goto theError;
 103     }
 104     if (!(applet->proc = (APPLET_PROC)GetProcAddress(applet->hModule, "CPlApplet"))) {
 105         WARN("Not a valid control panel applet %s\n", debugstr_w(applet->cmd));
 106         goto theError;
 107     }
 108     if (!applet->proc(hWnd, CPL_INIT, 0L, 0L)) {
 109         WARN("Init of applet has failed\n");
 110         goto theError;
 111     }
 112     if ((applet->count = applet->proc(hWnd, CPL_GETCOUNT, 0L, 0L)) == 0) {
 113         WARN("No subprogram in applet\n");
 114         applet->proc(applet->hWnd, CPL_EXIT, 0, 0);
 115         goto theError;
 116     }
 117
 118     applet = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, applet,
 119                          FIELD_OFFSET( CPlApplet, info[applet->count] ));
 120
 121     for (i = 0; i < applet->count; i++) {
 122        ZeroMemory(&newinfo, sizeof(newinfo));
 123        newinfo.dwSize = sizeof(NEWCPLINFOA);
 124        applet->info[i].helpfile[0] = 0;
 125        /* proc is supposed to return a null value upon success for
 126         * CPL_INQUIRE and CPL_NEWINQUIRE
 127         * However, real drivers don't seem to behave like this
 128         * So, use introspection rather than return value
 129         */
 130        applet->proc(hWnd, CPL_INQUIRE, i, (LPARAM)&info);
 131        applet->info[i].data = info.lData;
 132 #ifdef __REACTOS__
 133        applet->info[i].idIcon = info.idIcon;
 134 #endif
 135
 136        if (info.idIcon != CPL_DYNAMIC_RES)
 137            applet->info[i].icon = LoadIconW(applet->hModule, MAKEINTRESOURCEW(info.idIcon));
 138        if (info.idName != CPL_DYNAMIC_RES)
 139            LoadStringW(applet->hModule, info.idName,
 140                        applet->info[i].name, sizeof(applet->info[i].name) / sizeof(WCHAR));
 141        if (info.idInfo != CPL_DYNAMIC_RES)
 142            LoadStringW(applet->hModule, info.idInfo,
 143                        applet->info[i].info, sizeof(applet->info[i].info) / sizeof(WCHAR));
 144
 145        /* some broken control panels seem to return incorrect values in CPL_INQUIRE,
 146           but proper data in CPL_NEWINQUIRE. if we get an empty string or a null
 147           icon, see what we can get from CPL_NEWINQUIRE */
 148
 149        if (!applet->info[i].name[0]) info.idName = CPL_DYNAMIC_RES;
 150
 151        /* zero-length szInfo may not be a buggy applet, but it doesn't hurt for us
 152           to check anyway */
 153
 154        if (!applet->info[i].info[0]) info.idInfo = CPL_DYNAMIC_RES;
 155
 156        if (applet->info[i].icon == NULL)
 157            info.idIcon = CPL_DYNAMIC_RES;
 158
 159        if ((info.idIcon == CPL_DYNAMIC_RES) || (info.idName == CPL_DYNAMIC_RES) ||
 160            (info.idInfo == CPL_DYNAMIC_RES)) {
 161            applet->proc(hWnd, CPL_NEWINQUIRE, i, (LPARAM)&newinfo);
 162
 163            applet->info[i].data = newinfo.lData;
 164            if (info.idIcon == CPL_DYNAMIC_RES) {
 165                if (!newinfo.hIcon) WARN("couldn't get icon for applet %u\n", i);
 166                applet->info[i].icon = newinfo.hIcon;
 167            }
 168            if (newinfo.dwSize == sizeof(NEWCPLINFOW)) {
 169                if (info.idName == CPL_DYNAMIC_RES)
 170                    memcpy(applet->info[i].name, newinfo.szName, sizeof(newinfo.szName));
 171                if (info.idInfo == CPL_DYNAMIC_RES)
 172                    memcpy(applet->info[i].info, newinfo.szInfo, sizeof(newinfo.szInfo));
 173                memcpy(applet->info[i].helpfile, newinfo.szHelpFile, sizeof(newinfo.szHelpFile));
 174            } else {
 175                if (info.idName == CPL_DYNAMIC_RES)
 176                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szName,
 177                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szName) / sizeof(CHAR),
 178                                        applet->info[i].name, sizeof(applet->info[i].name) / sizeof(WCHAR));
 179                if (info.idInfo == CPL_DYNAMIC_RES)
 180                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szInfo,
 181                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szInfo) / sizeof(CHAR),
 182                                        applet->info[i].info, sizeof(applet->info[i].info) / sizeof(WCHAR));
 183                MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szHelpFile,
 184                                    sizeof(((LPNEWCPLINFOA)&newinfo)->szHelpFile) / sizeof(CHAR),
 185                                    applet->info[i].helpfile,
 186                                    sizeof(applet->info[i].helpfile) / sizeof(WCHAR));
 187            }
 188        }
 189     }
 190
 191 #ifdef __REACTOS__
 192     if (bActivated)
 193         DeactivateActCtx(0, cookie);
 194 #endif
 195
 196 #ifndef __REACTOS__
 197     list_add_head( &panel->applets, &applet->entry );
 198 #endif
 199
 200     return applet;
 201
 202  theError:
 203     FreeLibrary(applet->hModule);
 204     HeapFree(GetProcessHeap(), 0, applet->cmd);
 205     HeapFree(GetProcessHeap(), 0, applet);
 206     return NULL;
 207 }
 208
 209 #ifndef __REACTOS__
 210
 211 #define IDC_LISTVIEW        1000
 212 #define IDC_STATUSBAR       1001
 213
 214 #define NUM_COLUMNS            2
 215 #define LISTVIEW_DEFSTYLE   (WS_CHILD | WS_VISIBLE | WS_TABSTOP |\
 216                              LVS_SORTASCENDING | LVS_AUTOARRANGE | LVS_SINGLESEL)
 217
 218 static BOOL Control_CreateListView (CPanel *panel)
 219 {
 220     RECT ws, sb;
 221     WCHAR empty_string[] = {0};
 222     WCHAR buf[MAX_STRING_LEN];
 223     LVCOLUMNW lvc;
 224
 225     /* Create list view */
 226     GetClientRect(panel->hWndStatusBar, &sb);
 227     GetClientRect(panel->hWnd, &ws);
 228
 229     panel->hWndListView = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW,
 230                           empty_string, LISTVIEW_DEFSTYLE | LVS_ICON,
 231                           0, 0, ws.right - ws.left, ws.bottom - ws.top -
 232                           (sb.bottom - sb.top), panel->hWnd,
 233                           (HMENU) IDC_LISTVIEW, panel->hInst, NULL);
 234
 235     if (!panel->hWndListView)
 236         return FALSE;
 237
 238     /* Create image lists for list view */
 239     panel->hImageListSmall = ImageList_Create(GetSystemMetrics(SM_CXSMICON),
 240         GetSystemMetrics(SM_CYSMICON), ILC_COLOR32 | ILC_MASK, 1, 1);
 241     panel->hImageListLarge = ImageList_Create(GetSystemMetrics(SM_CXICON),
 242         GetSystemMetrics(SM_CYICON), ILC_COLOR32 | ILC_MASK, 1, 1);
 243
 244     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_SMALL, (LPARAM)panel->hImageListSmall);
 245     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_NORMAL, (LPARAM)panel->hImageListLarge);
 246
 247     /* Create columns for list view */
 248     lvc.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_WIDTH;
 249     lvc.pszText = buf;
 250     lvc.fmt = LVCFMT_LEFT;
 251
 252     /* Name column */
 253     lvc.iSubItem = 0;
 254     lvc.cx = (ws.right - ws.left) / 3;
 255     LoadStringW(shell32_hInstance, IDS_CPANEL_NAME, buf, sizeof(buf) / sizeof(buf[0]));
 256
 257     if (ListView_InsertColumnW(panel->hWndListView, 0, &lvc) == -1)
 258         return FALSE;
 259
 260     /* Description column */
 261     lvc.iSubItem = 1;
 262     lvc.cx = ((ws.right - ws.left) / 3) * 2;
 263     LoadStringW(shell32_hInstance, IDS_CPANEL_DESCRIPTION, buf, sizeof(buf) /
 264         sizeof(buf[0]));
 265
 266     if (ListView_InsertColumnW(panel->hWndListView, 1, &lvc) == -1)
 267         return FALSE;
 268
 269     return(TRUE);
 270 }
 271
 272 static void      Control_WndProc_Create(HWND hWnd, const CREATESTRUCTW* cs)
 273 {
 274    CPanel* panel = cs->lpCreateParams;
 275    HMENU hMenu, hSubMenu;
 276    CPlApplet* applet;
 277    MENUITEMINFOW mii;
 278    unsigned int i;
 279    int menucount, index;
 280    CPlItem *item;
 281    LVITEMW lvItem;
 282    INITCOMMONCONTROLSEX icex;
 283    INT sb_parts;
 284    int itemidx;
 285
 286    SetWindowLongPtrW(hWnd, 0, (LONG_PTR)panel);
 287    panel->hWnd = hWnd;
 288
 289    /* Initialise common control DLL */
 290    icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 291    icex.dwICC = ICC_LISTVIEW_CLASSES | ICC_BAR_CLASSES;
 292    InitCommonControlsEx(&icex);
 293
 294    /* create the status bar */
 295    if (!(panel->hWndStatusBar = CreateStatusWindowW(WS_CHILD | WS_VISIBLE | CCS_BOTTOM | SBARS_SIZEGRIP, NULL, hWnd, IDC_STATUSBAR)))
 296        return;
 297
 298    sb_parts = -1;
 299    SendMessageW(panel->hWndStatusBar, SB_SETPARTS, 1, (LPARAM) &sb_parts);
 300
 301    /* create the list view */
 302    if (!Control_CreateListView(panel))
 303        return;
 304
 305    hMenu = LoadMenuW(shell32_hInstance, MAKEINTRESOURCEW(MENU_CPANEL));
 306
 307    /* insert menu items for applets */
 308    hSubMenu = GetSubMenu(hMenu, 0);
 309    menucount = 0;
 310
 311    LIST_FOR_EACH_ENTRY( applet, &panel->applets, CPlApplet, entry )
 312    {
 313       for (i = 0; i < applet->count; i++) {
 314          /* set up a CPlItem for this particular subprogram */
 315          item = HeapAlloc(GetProcessHeap(), 0, sizeof(CPlItem));
 316
 317          if (!item)
 318             continue;
 319
 320          item->applet = applet;
 321          item->id = i;
 322
 323          mii.cbSize = sizeof(MENUITEMINFOW);
 324          mii.fMask = MIIM_ID | MIIM_STRING | MIIM_DATA;
 325          mii.dwTypeData = applet->info[i].name;
 326          mii.cch = sizeof(applet->info[i].name) / sizeof(WCHAR);
 327          mii.wID = IDM_CPANEL_APPLET_BASE + menucount;
 328          mii.dwItemData = (ULONG_PTR)item;
 329
 330          if (InsertMenuItemW(hSubMenu, menucount, TRUE, &mii)) {
 331             /* add the list view item */
 332             HICON icon = applet->info[i].icon;
 333             if (!icon) icon = LoadImageW( 0, (LPCWSTR)IDI_WINLOGO, IMAGE_ICON, 0, 0, LR_SHARED );
 334             index = ImageList_AddIcon(panel->hImageListLarge, icon);
 335             ImageList_AddIcon(panel->hImageListSmall, icon);
 336
 337             lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
 338             lvItem.iItem = menucount;
 339             lvItem.iSubItem = 0;
 340             lvItem.pszText = applet->info[i].name;
 341             lvItem.iImage = index;
 342             lvItem.lParam = (LPARAM) item;
 343
 344             itemidx = ListView_InsertItemW(panel->hWndListView, &lvItem);
 345
 346             /* add the description */
 347             ListView_SetItemTextW(panel->hWndListView, itemidx, 1, applet->info[i].info);
 348
 349             /* update menu bar, increment count */
 350             DrawMenuBar(hWnd);
 351             menucount++;
 352          }
 353       }
 354    }
 355
 356    panel->total_subprogs = menucount;
 357
 358    /* check the "large items" icon in the View menu */
 359    hSubMenu = GetSubMenu(hMenu, 1);
 360    CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 361       FCIDM_SHVIEW_BIGICON, MF_BYCOMMAND);
 362
 363    SetMenu(hWnd, hMenu);
 364 }
 365
 366 static void Control_FreeCPlItems(HWND hWnd, CPanel *panel)
 367 {
 368     HMENU hMenu, hSubMenu;
 369     MENUITEMINFOW mii;
 370     unsigned int i;
 371
 372     /* get the File menu */
 373     hMenu = GetMenu(hWnd);
 374
 375     if (!hMenu)
 376         return;
 377
 378     hSubMenu = GetSubMenu(hMenu, 0);
 379
 380     if (!hSubMenu)
 381         return;
 382
 383     /* loop and free the item data */
 384     for (i = IDM_CPANEL_APPLET_BASE; i <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs; i++)
 385     {
 386         mii.cbSize = sizeof(MENUITEMINFOW);
 387         mii.fMask = MIIM_DATA;
 388
 389         if (!GetMenuItemInfoW(hSubMenu, i, FALSE, &mii))
 390             continue;
 391
 392         HeapFree(GetProcessHeap(), 0, (LPVOID) mii.dwItemData);
 393     }
 394 }
 395
 396 static void Control_UpdateListViewStyle(CPanel *panel, UINT style, UINT id)
 397 {
 398     HMENU hMenu, hSubMenu;
 399
 400     SetWindowLongW(panel->hWndListView, GWL_STYLE, LISTVIEW_DEFSTYLE | style);
 401
 402     /* update the menu */
 403     hMenu = GetMenu(panel->hWnd);
 404     hSubMenu = GetSubMenu(hMenu, 1);
 405
 406     CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 407         id, MF_BYCOMMAND);
 408 }
 409
 410 static CPlItem* Control_GetCPlItem_From_MenuID(HWND hWnd, UINT id)
 411 {
 412     HMENU hMenu, hSubMenu;
 413     MENUITEMINFOW mii;
 414
 415     /* retrieve the CPlItem structure from the menu item data */
 416     hMenu = GetMenu(hWnd);
 417
 418     if (!hMenu)
 419         return NULL;
 420
 421     hSubMenu = GetSubMenu(hMenu, 0);
 422
 423     if (!hSubMenu)
 424         return NULL;
 425
 426     mii.cbSize = sizeof(MENUITEMINFOW);
 427     mii.fMask = MIIM_DATA;
 428
 429     if (!GetMenuItemInfoW(hSubMenu, id, FALSE, &mii))
 430         return NULL;
 431
 432     return (CPlItem *) mii.dwItemData;
 433 }
 434
 435 static CPlItem* Control_GetCPlItem_From_ListView(CPanel *panel)
 436 {
 437     LVITEMW lvItem;
 438     int selitem;
 439
 440     selitem = SendMessageW(panel->hWndListView, LVM_GETNEXTITEM, -1, LVNI_FOCUSED
 441         | LVNI_SELECTED);
 442
 443     if (selitem != -1)
 444     {
 445         lvItem.iItem = selitem;
 446         lvItem.mask = LVIF_PARAM;
 447
 448         if (SendMessageW(panel->hWndListView, LVM_GETITEMW, 0, (LPARAM) &lvItem))
 449             return (CPlItem *) lvItem.lParam;
 450     }
 451
 452     return NULL;
 453 }
 454
 455 static void Control_StartApplet(HWND hWnd, CPlItem *item)
 456 {
 457     WCHAR verbOpen[] = {'c','p','l','o','p','e','n',0};
 458     WCHAR format[] = {'@','%','d',0};
 459     WCHAR param[MAX_PATH];
 460
 461     /* execute the applet if item is valid */
 462     if (item)
 463     {
 464         wsprintfW(param, format, item->id);
 465         ShellExecuteW(hWnd, verbOpen, item->applet->cmd, param, NULL, SW_SHOW);
 466     }
 467 }
 468
 469 static LRESULT WINAPI   Control_WndProc(HWND hWnd, UINT wMsg,
 470                                         WPARAM lParam1, LPARAM lParam2)
 471 {
 472    CPanel*      panel = (CPanel*)GetWindowLongPtrW(hWnd, 0);
 473
 474    if (panel || wMsg == WM_CREATE) {
 475       switch (wMsg) {
 476       case WM_CREATE:
 477          Control_WndProc_Create(hWnd, (CREATESTRUCTW*)lParam2);
 478          return 0;
 479       case WM_DESTROY:
 480          {
 481              CPlApplet *applet, *next;
 482              LIST_FOR_EACH_ENTRY_SAFE( applet, next, &panel->applets, CPlApplet, entry )
 483                  Control_UnloadApplet(applet);
 484          }
 485          Control_FreeCPlItems(hWnd, panel);
 486          PostQuitMessage(0);
 487          break;
 488       case WM_COMMAND:
 489          switch (LOWORD(lParam1))
 490          {
 491              case IDM_CPANEL_EXIT:
 492                  SendMessageW(hWnd, WM_CLOSE, 0, 0);
 493                  return 0;
 494
 495              case IDM_CPANEL_ABOUT:
 496                  {
 497                      WCHAR appName[MAX_STRING_LEN];
 498                      HICON icon = LoadImageW(shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL),
 499                                              IMAGE_ICON, 48, 48, LR_SHARED);
 500
 501                      LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName,
 502                          sizeof(appName) / sizeof(appName[0]));
 503                      ShellAboutW(hWnd, appName, NULL, icon);
 504
 505                      return 0;
 506                  }
 507
 508              case FCIDM_SHVIEW_BIGICON:
 509                  Control_UpdateListViewStyle(panel, LVS_ICON, FCIDM_SHVIEW_BIGICON);
 510                  return 0;
 511
 512              case FCIDM_SHVIEW_SMALLICON:
 513                  Control_UpdateListViewStyle(panel, LVS_SMALLICON, FCIDM_SHVIEW_SMALLICON);
 514                  return 0;
 515
 516              case FCIDM_SHVIEW_LISTVIEW:
 517                  Control_UpdateListViewStyle(panel, LVS_LIST, FCIDM_SHVIEW_LISTVIEW);
 518                  return 0;
 519
 520              case FCIDM_SHVIEW_REPORTVIEW:
 521                  Control_UpdateListViewStyle(panel, LVS_REPORT, FCIDM_SHVIEW_REPORTVIEW);
 522                  return 0;
 523
 524              default:
 525                  /* check if this is an applet */
 526                  if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 527                      (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 528                  {
 529                      Control_StartApplet(hWnd, Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1)));
 530                      return 0;
 531                  }
 532
 533                  break;
 534          }
 535
 536          break;
 537
 538       case WM_NOTIFY:
 539       {
 540           LPNMHDR nmh = (LPNMHDR) lParam2;
 541
 542           switch (nmh->idFrom)
 543           {
 544               case IDC_LISTVIEW:
 545                   switch (nmh->code)
 546                   {
 547                       case NM_RETURN:
 548                       case NM_DBLCLK:
 549                       {
 550                           Control_StartApplet(hWnd, Control_GetCPlItem_From_ListView(panel));
 551                           return 0;
 552                       }
 553                       case LVN_ITEMCHANGED:
 554                       {
 555                           CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 556
 557                           /* update the status bar if item is valid */
 558                           if (item)
 559                               SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 560                           else
 561                               SetWindowTextW(panel->hWndStatusBar, NULL);
 562
 563                           return 0;
 564                       }
 565                   }
 566
 567                   break;
 568           }
 569
 570           break;
 571       }
 572
 573       case WM_MENUSELECT:
 574           /* check if this is an applet */
 575           if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 576               (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 577           {
 578               CPlItem *item = Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1));
 579
 580               /* update the status bar if item is valid */
 581               if (item)
 582                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 583           }
 584           else if ((HIWORD(lParam1) == 0xFFFF) && (lParam2 == 0))
 585           {
 586               /* reset status bar description to that of the selected icon */
 587               CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 588
 589               if (item)
 590                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 591               else
 592                   SetWindowTextW(panel->hWndStatusBar, NULL);
 593
 594               return 0;
 595           }
 596           else
 597               SetWindowTextW(panel->hWndStatusBar, NULL);
 598
 599           return 0;
 600
 601       case WM_SIZE:
 602       {
 603           HDWP hdwp;
 604           RECT sb;
 605
 606           hdwp = BeginDeferWindowPos(2);
 607
 608           if (hdwp == NULL)
 609               break;
 610
 611           GetClientRect(panel->hWndStatusBar, &sb);
 612
 613           hdwp = DeferWindowPos(hdwp, panel->hWndListView, NULL, 0, 0,
 614               LOWORD(lParam2), HIWORD(lParam2) - (sb.bottom - sb.top),
 615               SWP_NOZORDER | SWP_NOMOVE);
 616
 617           if (hdwp == NULL)
 618               break;
 619
 620           hdwp = DeferWindowPos(hdwp, panel->hWndStatusBar, NULL, 0, 0,
 621               LOWORD(lParam2), LOWORD(lParam1), SWP_NOZORDER | SWP_NOMOVE);
 622
 623           if (hdwp != NULL)
 624               EndDeferWindowPos(hdwp);
 625
 626           return 0;
 627       }
 628      }
 629    }
 630
 631    return DefWindowProcW(hWnd, wMsg, lParam1, lParam2);
 632 }
 633
 634 static void    Control_DoInterface(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 635 {
 636     WNDCLASSEXW wc;
 637     MSG         msg;
 638     WCHAR appName[MAX_STRING_LEN];
 639     const WCHAR className[] = {'S','h','e','l','l','_','C','o','n','t','r','o',
 640         'l','_','W','n','d','C','l','a','s','s',0};
 641
 642     LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName, sizeof(appName) / sizeof(appName[0]));
 643
 644     wc.cbSize = sizeof(wc);
 645     wc.style = CS_HREDRAW|CS_VREDRAW;
 646     wc.lpfnWndProc = Control_WndProc;
 647     wc.cbClsExtra = 0;
 648     wc.cbWndExtra = sizeof(CPlApplet*);
 649     wc.hInstance = panel->hInst = hInst;
 650     wc.hIcon = LoadIconW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL) );
 651     wc.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW );
 652     wc.hbrBackground = GetStockObject(WHITE_BRUSH);
 653     wc.lpszMenuName = NULL;
 654     wc.lpszClassName = className;
 655     wc.hIconSm = LoadImageW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL), IMAGE_ICON,
 656                              GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
 657
 658     if (!RegisterClassExW(&wc)) return;
 659
 660     CreateWindowExW(0, wc.lpszClassName, appName,
 661                     WS_OVERLAPPEDWINDOW | WS_VISIBLE,
 662                     CW_USEDEFAULT, CW_USEDEFAULT,
 663                     CW_USEDEFAULT, CW_USEDEFAULT,
 664                     hWnd, NULL, hInst, panel);
 665     if (!panel->hWnd) return;
 666
 667     while (GetMessageW(&msg, panel->hWnd, 0, 0)) {
 668         TranslateMessage(&msg);
 669         DispatchMessageW(&msg);
 670     }
 671 }
 672
 673 static void Control_RegisterRegistryApplets(HWND hWnd, CPanel *panel, HKEY hkey_root, LPCWSTR szRepPath)
 674 {
 675     WCHAR name[MAX_PATH];
 676     WCHAR value[MAX_PATH];
 677     HKEY hkey;
 678
 679     if (RegOpenKeyW(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
 680     {
 681         int idx = 0;
 682
 683         for(;; ++idx)
 684         {
 685             DWORD nameLen = MAX_PATH;
 686             DWORD valueLen = MAX_PATH;
 687
 688             if (RegEnumValueW(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)value, &valueLen) != ERROR_SUCCESS)
 689                 break;
 690
 691             Control_LoadApplet(hWnd, value, panel);
 692         }
 693         RegCloseKey(hkey);
 694     }
 695 }
 696
 697 static  void    Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 698 {
 699     HANDLE              h;
 700     WIN32_FIND_DATAW    fd;
 701     WCHAR               buffer[MAX_PATH];
 702     static const WCHAR wszAllCpl[] = {'*','.','c','p','l',0};
 703     static const WCHAR wszRegPath[] = {'S','O','F','T','W','A','R','E','\\','M','i','c','r','o','s','o','f','t',
 704             '\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
 705             '\\','C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','C','p','l','s',0};
 706     WCHAR *p;
 707
 708     /* first add .cpl files in the system directory */
 709     GetSystemDirectoryW( buffer, MAX_PATH );
 710     p = buffer + strlenW(buffer);
 711     *p++ = '\\';
 712     lstrcpyW(p, wszAllCpl);
 713
 714     if ((h = FindFirstFileW(buffer, &fd)) != INVALID_HANDLE_VALUE) {
 715         do {
 716            lstrcpyW(p, fd.cFileName);
 717            Control_LoadApplet(hWnd, buffer, panel);
 718         } while (FindNextFileW(h, &fd));
 719         FindClose(h);
 720     }
 721
 722     /* now check for cpls in the registry */
 723     Control_RegisterRegistryApplets(hWnd, panel, HKEY_LOCAL_MACHINE, wszRegPath);
 724     Control_RegisterRegistryApplets(hWnd, panel, HKEY_CURRENT_USER, wszRegPath);
 725
 726     Control_DoInterface(panel, hWnd, hInst);
 727 }
 728
 729 #else
 730 static  void    Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 731 {
 732     ShellExecuteW(NULL,
 733                   L"open",
 734                   L"explorer.exe",
 735                   L"::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\\::{21EC2020-3AEA-1069-A2DD-08002B30309D}",
 736                   NULL,
 737                   SW_SHOWDEFAULT);
 738 }
 739 #endif
 740
 741 static  void    Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
 742    /* forms to parse:
 743     *   foo.cpl,@sp,str
 744     *   foo.cpl,@sp
 745     *   foo.cpl,,str
 746     *   foo.cpl @sp
 747     *   foo.cpl str
 748     *   "a path\foo.cpl"
 749     */
 750 {
 751     LPWSTR      buffer;
 752     LPWSTR      beg = NULL;
 753     LPWSTR      end;
 754     WCHAR       ch;
 755     LPWSTR       ptr;
 756     signed      sp = -1;
 757     LPWSTR      extraPmtsBuf = NULL;
 758     LPWSTR      extraPmts = NULL;
 759     BOOL        quoted = FALSE;
 760     CPlApplet *applet;
 761
 762     buffer = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
 763     if (!buffer) return;
 764
 765     end = lstrcpyW(buffer, wszCmd);
 766
 767     for (;;) {
 768         ch = *end;
 769         if (ch == '"') quoted = !quoted;
 770         if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 771             *end = '\0';
 772             if (beg) {
 773                 if (*beg == '@') {
 774                     sp = atoiW(beg + 1);
 775                 } else if (*beg == '\0') {
 776                     sp = -1;
 777                 } else {
 778                     extraPmtsBuf = beg;
 779                 }
 780             }
 781             if (ch == '\0') break;
 782             beg = end + 1;
 783             if (ch == ' ') while (end[1] == ' ') end++;
 784         }
 785         end++;
 786     }
 787     while ((ptr = StrChrW(buffer, '"')))
 788         memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 789
 790     /* now check for any quotes in extraPmtsBuf and remove */
 791     if (extraPmtsBuf != NULL)
 792     {
 793         beg = end = extraPmtsBuf;
 794         quoted = FALSE;
 795
 796         for (;;) {
 797             ch = *end;
 798             if (ch == '"') quoted = !quoted;
 799             if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 800                 *end = '\0';
 801                 if (beg) {
 802                     if (*beg != '\0') {
 803                         extraPmts = beg;
 804                     }
 805                 }
 806                 if (ch == '\0') break;
 807                 beg = end + 1;
 808                 if (ch == ' ') while (end[1] == ' ') end++;
 809             }
 810             end++;
 811         }
 812
 813         while ((ptr = StrChrW(extraPmts, '"')))
 814             memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 815
 816         if (extraPmts == NULL)
 817             extraPmts = extraPmtsBuf;
 818     }
 819
 820     /* Now check if there had been a numerical value in the extra params */
 821     if ((extraPmts) && (*extraPmts == '@') && (sp == -1)) {
 822         sp = atoiW(extraPmts + 1);
 823     }
 824
 825     TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);
 826
 827     applet = Control_LoadApplet(hWnd, buffer, panel);
 828     if (applet)
 829     {
 830 #ifdef __REACTOS__
 831     ULONG_PTR cookie;
 832     BOOL bActivated;
 833 #endif
 834         /* we've been given a textual parameter (or none at all) */
 835         if (sp == -1) {
 836             while ((++sp) != applet->count) {
 837                 TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].name));
 838
 839                 if (StrCmpIW(extraPmts, applet->info[sp].name) == 0)
 840                     break;
 841             }
 842         }
 843
 844         if (sp >= applet->count) {
 845             WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
 846             sp = 0;
 847         }
 848
 849 #ifdef __REACTOS__
 850         bActivated = (applet->hActCtx != INVALID_HANDLE_VALUE ? ActivateActCtx(applet->hActCtx, &cookie) : FALSE);
 851 #endif
 852
 853         if (!applet->proc(applet->hWnd, CPL_STARTWPARMSW, sp, (LPARAM)extraPmts))
 854             applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].data);
 855
 856         Control_UnloadApplet(applet);
 857
 858 #ifdef __REACTOS__
 859     if (bActivated)
 860         DeactivateActCtx(0, cookie);
 861 #endif
 862
 863     }
 864
 865     HeapFree(GetProcessHeap(), 0, buffer);
 866 }
 867
 868 /*************************************************************************
 869  * Control_RunDLLW                      [SHELL32.@]
 870  *
 871  */
 872 void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
 873 {
 874     CPanel      panel;
 875
 876     TRACE("(%p, %p, %s, 0x%08x)\n",
 877           hWnd, hInst, debugstr_w(cmd), nCmdShow);
 878
 879 #ifndef __REACTOS__
 880     memset(&panel, 0, sizeof(panel));
 881     list_init( &panel.applets );
 882 #endif
 883
 884     if (!cmd || !*cmd) {
 885         Control_DoWindow(&panel, hWnd, hInst);
 886     } else {
 887         Control_DoLaunch(&panel, hWnd, cmd);
 888     }
 889 }
 890
 891 /*************************************************************************
 892  * Control_RunDLLA                      [SHELL32.@]
 893  *
 894  */
 895 void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
 896 {
 897     DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
 898     LPWSTR wszCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 899     if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
 900     {
 901         Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
 902     }
 903     HeapFree(GetProcessHeap(), 0, wszCmd);
 904 }
 905
 906 /*************************************************************************
 907  * Control_FillCache_RunDLLW                    [SHELL32.@]
 908  *
 909  */
 910 HRESULT WINAPI Control_FillCache_RunDLLW(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 911 {
 912     FIXME("%p %p 0x%08x 0x%08x stub\n", hWnd, hModule, w, x);
 913     return S_OK;
 914 }
 915
 916 /*************************************************************************
 917  * Control_FillCache_RunDLLA                    [SHELL32.@]
 918  *
 919  */
 920 HRESULT WINAPI Control_FillCache_RunDLLA(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 921 {
 922     return Control_FillCache_RunDLLW(hWnd, hModule, w, x);
 923 }
 924
 925
 926 #ifdef __REACTOS__
 927 /*************************************************************************
 928  * RunDll_CallEntry16                [SHELL32.122]
 929  * the name is OK (when written with Dll, and not DLL as in Wine!)
 930  */
 931 void WINAPI RunDll_CallEntry16( DWORD proc, HWND hwnd, HINSTANCE inst,
 932                                 LPCSTR cmdline, INT cmdshow )
 933 {
 934     FIXME( "proc %lx hwnd %p inst %p cmdline %s cmdshow %d\n",
 935            proc, hwnd, inst, debugstr_a(cmdline), cmdshow );
 936 }
 937 #endif
 938
 939 /*************************************************************************
 940  * CallCPLEntry16                               [SHELL32.166]
 941  *
 942  * called by desk.cpl on "Advanced" with:
 943  * hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
 944  *
 945  */
 946 DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
 947 {
 948     FIXME("(%p, %p, %08x, %08x, %08x, %08x): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
 949     return 0x0deadbee;
 950 }